/* roulang page: index */
:root {
            --color-primary: #1B1B3A;
            --color-primary-light: #252550;
            --color-accent: #BF9B4E;
            --color-accent-light: #D4B76A;
            --color-accent-dark: #9A7B3A;
            --color-red: #D4343E;
            --color-red-light: #E8555E;
            --color-bg: #F9F8F6;
            --color-white: #FFFFFF;
            --color-card: #FFFFFF;
            --color-text: #1B1B3A;
            --color-text-secondary: #5A5A72;
            --color-text-muted: #8A8A9A;
            --color-border: #E5E3DE;
            --color-border-light: #F0EFEC;
            --color-success: #2D8B4E;
            --color-tag-bg: #FFF8EC;
            --color-dark-section: #111128;
            --color-dark-section-text: #E8E6E0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(27, 27, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(27, 27, 58, 0.10);
            --shadow-lg: 0 8px 32px rgba(27, 27, 58, 0.14);
            --shadow-xl: 0 16px 48px rgba(27, 27, 58, 0.18);
            --shadow-accent: 0 4px 20px rgba(191, 155, 78, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --sidebar-width: 260px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin: 0;
            color: var(--color-primary);
        }

        p {
            margin: 0;
            color: var(--color-text-secondary);
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #E8E6E0;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(27, 27, 58, 0.25);
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
        }

        .site-sidebar::-webkit-scrollbar {
            width: 4px;
        }

        .site-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .site-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.18);
            border-radius: 4px;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }

        .sidebar-logo {
            font-size: 1.5rem;
            font-weight: 800;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1B1B3A;
            font-weight: 900;
            flex-shrink: 0;
        }

        .sidebar-tagline {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
            letter-spacing: 0.04em;
            font-weight: 400;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
        }

        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .sidebar-nav li a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
            border-left-color: var(--color-accent);
        }

        .sidebar-nav li a.active {
            color: #FFFFFF;
            background: rgba(191, 155, 78, 0.18);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar-nav li a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.85rem;
            flex-shrink: 0;
            opacity: 0.7;
        }

        .sidebar-nav li a.active .nav-icon {
            opacity: 1;
            color: var(--color-accent);
        }

        .sidebar-footer-info {
            padding: 16px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.4);
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }

        .sidebar-footer-info span {
            display: block;
            line-height: 1.6;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - var(--sidebar-width));
        }

        /* ============ MOBILE TOP BAR ============ */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 56px;
            background: var(--color-primary);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(27, 27, 58, 0.3);
        }

        .mobile-topbar .mobile-logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-topbar .mobile-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #1B1B3A;
            font-weight: 900;
        }

        .mobile-menu-toggle {
            background: transparent;
            color: #FFFFFF;
            font-size: 1.4rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-nav-overlay.open {
            opacity: 1;
        }

        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100%;
            background: var(--color-primary);
            z-index: 999;
            transform: translateX(-100%);
            transition: transform var(--transition-slow);
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.4);
        }

        .mobile-nav-drawer.open {
            transform: translateX(0);
        }

        .mobile-nav-drawer .drawer-header {
            padding: 20px 20px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-nav-drawer .drawer-close {
            background: transparent;
            color: #FFFFFF;
            font-size: 1.3rem;
            padding: 6px;
            border-radius: 50%;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-nav-drawer .drawer-close:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .mobile-nav-drawer ul {
            padding: 12px 0;
            flex: 1;
        }

        .mobile-nav-drawer ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 20px;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }

        .mobile-nav-drawer ul li a:hover,
        .mobile-nav-drawer ul li a.active {
            color: #FFFFFF;
            background: rgba(191, 155, 78, 0.15);
            border-left-color: var(--color-accent);
        }

        /* ============ SECTION BASE ============ */
        .section {
            padding: 64px 48px;
            position: relative;
        }

        .section-sm {
            padding: 40px 48px;
        }

        .section-dark {
            background: var(--color-dark-section);
            color: var(--color-dark-section-text);
        }

        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }

        .section-dark p {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-accent-bg {
            background: var(--color-tag-bg);
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent-dark);
            background: rgba(191, 155, 78, 0.12);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
            color: var(--color-primary);
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ============ BUTTONS ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: 30px;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            font-family: var(--font-body);
            border: 2px solid transparent;
            line-height: 1.3;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #1B1B3A;
            border-color: var(--color-accent);
            box-shadow: var(--shadow-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
            box-shadow: 0 6px 28px rgba(191, 155, 78, 0.35);
            transform: translateY(-2px);
            color: #1B1B3A;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
        }

        .btn-outline {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-border);
        }

        .btn-outline-dark:hover {
            background: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }

        .btn-red {
            background: var(--color-red);
            color: #FFFFFF;
            border-color: var(--color-red);
            box-shadow: 0 4px 18px rgba(212, 52, 62, 0.3);
        }

        .btn-red:hover {
            background: var(--color-red-light);
            border-color: var(--color-red-light);
            box-shadow: 0 6px 26px rgba(212, 52, 62, 0.4);
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.8rem;
            border-radius: 22px;
        }

        .btn-lg {
            padding: 15px 34px;
            font-size: 1rem;
            border-radius: 34px;
        }

        /* ============ CARDS ============ */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }

        .card-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 20px;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            padding: 4px 10px;
            border-radius: 12px;
            background: var(--color-tag-bg);
            color: var(--color-accent-dark);
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            color: var(--color-primary);
        }

        .card-text {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            margin-bottom: 10px;
        }

        .card-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast);
        }

        .card-link:hover {
            gap: 9px;
            color: var(--color-accent-dark);
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 0;
            overflow: hidden;
            background: var(--color-primary);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(27, 27, 58, 0.55) 0%, rgba(27, 27, 58, 0.85) 60%, rgba(17, 17, 40, 0.95) 100%);
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            padding: 72px 48px;
            width: 100%;
            max-width: 900px;
        }

        .hero-tag-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .hero-tag-strip .htag {
            display: inline-block;
            padding: 7px 16px;
            background: rgba(255, 255, 255, 0.13);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 22px;
            font-size: 0.78rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            letter-spacing: 0.03em;
            backdrop-filter: blur(6px);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .hero-tag-strip .htag:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.5);
            color: #FFFFFF;
        }

        .hero-tag-strip .htag.hot {
            background: var(--color-red);
            border-color: var(--color-red);
            color: #FFFFFF;
            font-weight: 700;
            animation: pulse-tag 2s ease-in-out infinite;
        }

        @keyframes pulse-tag {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(212, 52, 62, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(212, 52, 62, 0);
            }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            color: #FFFFFF;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 16px;
            max-width: 700px;
        }

        .hero-title .highlight {
            color: var(--color-accent-light);
            position: relative;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 580px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-value {
            font-size: 2rem;
            font-weight: 900;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }

        .hero-limited-bar {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 52, 62, 0.2);
            border: 1px solid rgba(212, 52, 62, 0.5);
            padding: 8px 16px;
            border-radius: 22px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #FFB3B3;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
            margin-bottom: 16px;
            animation: glow-bar 2.5s ease-in-out infinite;
        }

        @keyframes glow-bar {
            0%,
            100% {
                border-color: rgba(212, 52, 62, 0.5);
                box-shadow: 0 0 8px rgba(212, 52, 62, 0.2);
            }
            50% {
                border-color: rgba(212, 52, 62, 0.9);
                box-shadow: 0 0 20px rgba(212, 52, 62, 0.45);
            }
        }

        /* ============ TRACK SECTION (片库轨道转化) ============ */
        .track-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 0 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }

        .track-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .track-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 4px;
        }

        .track-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
        }

        .track-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .track-card .track-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .track-card .track-info {
            padding: 14px 16px;
        }

        .track-card .track-title {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--color-primary);
        }

        .track-card .track-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        .track-card .track-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--color-red);
            color: #FFFFFF;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.04em;
        }

        /* ============ COMPARISON TABLE (票种对比) ============ */
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }

        .comparison-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .comparison-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .comparison-card.featured {
            border: 2px solid var(--color-accent);
            box-shadow: var(--shadow-accent);
            transform: scale(1.03);
            z-index: 2;
            background: #FFFDF8;
        }

        .comparison-card.featured:hover {
            transform: scale(1.04);
            box-shadow: 0 12px 40px rgba(191, 155, 78, 0.3);
        }

        .comparison-card .comp-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #1B1B3A;
            font-size: 0.72rem;
            font-weight: 800;
            padding: 5px 16px;
            border-radius: 14px;
            letter-spacing: 0.05em;
            white-space: nowrap;
        }

        .comparison-card .comp-tier {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .comparison-card .comp-price {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .comparison-card .comp-price span {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--color-text-muted);
        }

        .comparison-card .comp-features {
            list-style: none;
            padding: 0;
            margin: 20px 0;
            text-align: left;
            flex: 1;
        }

        .comparison-card .comp-features li {
            padding: 7px 0;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-card .comp-features li::before {
            content: '✓';
            color: var(--color-success);
            font-weight: 700;
            flex-shrink: 0;
        }

        .comparison-card .comp-features li.disabled {
            color: var(--color-text-muted);
            opacity: 0.5;
        }

        .comparison-card .comp-features li.disabled::before {
            content: '—';
            color: #ccc;
        }

        /* ============ GUARANTEE STRIP ============ */
        .guarantee-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .guarantee-item {
            padding: 24px 16px;
            transition: all var(--transition-base);
        }

        .guarantee-item .g-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
            display: block;
            transition: transform var(--transition-base);
        }

        .guarantee-item:hover .g-icon {
            transform: scale(1.15);
        }

        .guarantee-item .g-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .guarantee-item .g-desc {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ============ NEWS LIST ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }

        .news-item:hover {
            background: rgba(191, 155, 78, 0.04);
            padding-left: 8px;
            border-radius: 4px;
        }

        .news-date {
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-weight: 500;
            min-width: 70px;
            padding-top: 2px;
            letter-spacing: 0.03em;
        }

        .news-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            margin-bottom: 3px;
            line-height: 1.4;
        }

        .news-summary {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .news-sidebar {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: sticky;
            top: 20px;
        }

        .news-sidebar h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-primary);
        }

        .news-sidebar .hot-item {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .news-sidebar .hot-item:hover {
            color: var(--color-accent-dark);
        }

        .news-sidebar .hot-rank {
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--color-accent);
            flex-shrink: 0;
            width: 28px;
            text-align: center;
        }

        .news-sidebar .hot-text {
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            line-height: 1.4;
        }

        /* ============ FAQ ACCORDION ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: transparent;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(191, 155, 78, 0.05);
        }

        .faq-question .faq-icon {
            font-size: 0.7rem;
            transition: transform var(--transition-base);
            flex-shrink: 0;
            color: var(--color-accent);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #252550 50%, #1B1B3A 100%);
            text-align: center;
            padding: 64px 48px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(191, 155, 78, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            color: #FFFFFF;
            font-size: 2rem;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 500px;
            margin: 0 auto 24px;
            font-size: 1rem;
        }

        .cta-section .btn-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0D0D1F;
            color: rgba(255, 255, 255, 0.6);
            padding: 48px 48px 28px;
            font-size: 0.82rem;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            margin: 0 4px;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        .footer-brand-name {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
        }

        /* ============ MISC COMPONENTS ============ */
        .brand-story-block {
            background: var(--color-card);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 32px;
            align-items: center;
        }

        .brand-story-block .story-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }

        .brand-story-block .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .brand-story-block .story-quote {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.6;
            font-style: italic;
            margin-bottom: 12px;
        }

        .brand-story-block .story-body {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        .data-stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .data-stat-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .data-stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .data-stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-accent-dark);
            letter-spacing: 0.02em;
            line-height: 1;
        }

        .data-stat-card .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #1B1B3A;
            font-weight: 900;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: var(--shadow-accent);
        }

        .step-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-primary);
        }

        .step-card p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .testimonial-card .t-stars {
            color: var(--color-accent);
            font-size: 0.85rem;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }

        .testimonial-card .t-text {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
            font-style: italic;
        }

        .testimonial-card .t-author {
            font-weight: 700;
            font-size: 0.8rem;
            color: var(--color-primary);
        }

        .testimonial-card .t-role {
            font-size: 0.7rem;
            color: var(--color-text-muted);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 220px;
            }
            .section {
                padding: 48px 28px;
            }
            .section-sm {
                padding: 32px 28px;
            }
            .hero-inner {
                padding: 56px 28px;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .comparison-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .comparison-card.featured {
                transform: scale(1.02);
            }
            .comparison-card.featured:hover {
                transform: scale(1.03);
            }
            .guarantee-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-story-block {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .site-sidebar {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .mobile-nav-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-nav-overlay.open {
                pointer-events: auto;
            }
            .mobile-nav-drawer {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                width: 100%;
                padding-top: 56px;
            }
            .section {
                padding: 36px 16px;
            }
            .section-sm {
                padding: 24px 16px;
            }
            .hero-inner {
                padding: 40px 16px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-value {
                font-size: 1.4rem;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .comparison-card.featured {
                transform: none;
            }
            .comparison-card.featured:hover {
                transform: translateY(-3px);
            }
            .guarantee-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .data-stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .track-card {
                flex: 0 0 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .brand-story-block {
                padding: 24px 16px;
            }
            .cta-section {
                padding: 40px 16px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .site-footer {
                padding: 32px 16px 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-tag-strip {
                gap: 5px;
            }
            .hero-tag-strip .htag {
                font-size: 0.68rem;
                padding: 5px 10px;
                border-radius: 16px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.8rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .guarantee-strip {
                grid-template-columns: 1fr 1fr;
            }
            .data-stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .track-card {
                flex: 0 0 180px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1B1B3A;
            --color-primary-light: #252550;
            --color-accent: #BF9B4E;
            --color-accent-light: #D4B76A;
            --color-accent-dark: #9A7B3A;
            --color-red: #D4343E;
            --color-red-light: #E8555E;
            --color-bg: #F9F8F6;
            --color-white: #FFFFFF;
            --color-card: #FFFFFF;
            --color-text: #1B1B3A;
            --color-text-secondary: #5A5A72;
            --color-text-muted: #8A8A9A;
            --color-border: #E5E3DE;
            --color-border-light: #F0EFEC;
            --color-success: #2D8B4E;
            --color-tag-bg: #FFF8EC;
            --color-dark-section: #111128;
            --color-dark-section-text: #E8E6E0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(27, 27, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(27, 27, 58, 0.10);
            --shadow-lg: 0 8px 32px rgba(27, 27, 58, 0.14);
            --shadow-xl: 0 16px 48px rgba(27, 27, 58, 0.18);
            --shadow-accent: 0 4px 20px rgba(191, 155, 78, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --sidebar-width: 220px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            margin: 0;
            line-height: 1.3;
            color: var(--color-text);
        }

        p {
            margin: 0;
            color: var(--color-text-secondary);
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #E8E6E0;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(27, 27, 58, 0.25);
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
        }

        .site-sidebar::-webkit-scrollbar {
            width: 4px;
        }

        .site-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .site-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.18);
            border-radius: 4px;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }

        .sidebar-logo {
            font-size: 1.5rem;
            font-weight: 800;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1B1B3A;
            font-weight: 900;
            flex-shrink: 0;
        }

        .sidebar-tagline {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
            letter-spacing: 0.04em;
            font-weight: 400;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
        }

        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .sidebar-nav li a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
            border-left-color: rgba(255, 255, 255, 0.35);
        }

        .sidebar-nav li a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.10);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar-nav .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .sidebar-footer-mini {
            padding: 16px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-slow);
        }

        /* ============ MOBILE HAMBURGER ============ */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            width: 42px;
            height: 42px;
            background: var(--color-primary);
            color: #FFFFFF;
            border-radius: var(--radius-md);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            border: none;
            cursor: pointer;
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
        }

        .mobile-overlay.active {
            display: block;
        }

        /* ============ CONTAINER ============ */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        /* ============ BUTTONS ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            cursor: pointer;
            font-family: var(--font-body);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #1B1B3A;
            box-shadow: var(--shadow-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 28px rgba(191, 155, 78, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            background: var(--color-accent-dark);
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #1B1B3A;
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-white {
            background: #FFFFFF;
            color: #1B1B3A;
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .btn-white:active {
            transform: translateY(0);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }

        /* ============ TAG / BADGE ============ */
        .tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: var(--color-tag-bg);
            color: var(--color-accent-dark);
        }

        .badge-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 2.2rem;
            color: var(--color-accent);
            line-height: 1;
        }

        /* ============ CARDS ============ */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-accent-top {
            border-top: 3px solid var(--color-accent);
        }

        .card-body {
            padding: 24px;
        }

        .card-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            background: var(--color-tag-bg);
            color: var(--color-accent);
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: 72px 0;
            position: relative;
        }

        .section-sm {
            padding: 48px 0;
        }

        .section-dark {
            background: var(--color-dark-section);
            color: var(--color-dark-section-text);
        }

        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }

        .section-dark p {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-accent-bg {
            background: linear-gradient(180deg, #FFFDF7 0%, #F9F8F6 100%);
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header .tag {
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2rem;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 620px;
        }

        /* ============ HERO ============ */
        .hero-section {
            padding: 80px 0 72px;
            position: relative;
            overflow: hidden;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text {
            position: relative;
            z-index: 2;
        }

        .hero-text .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: var(--color-tag-bg);
            color: var(--color-accent-dark);
            margin-bottom: 16px;
        }

        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--color-primary);
        }

        .hero-text h1 .highlight {
            color: var(--color-accent);
            position: relative;
        }

        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            line-height: 1.8;
            max-width: 440px;
        }

        .hero-kpi-row {
            display: flex;
            gap: 32px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-kpi-item {
            text-align: left;
        }

        .hero-kpi-item .kpi-num {
            font-size: 2rem;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--color-accent);
            line-height: 1;
        }

        .hero-kpi-item .kpi-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        .hero-visual {
            position: relative;
            z-index: 1;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            transform: rotate(-1deg);
        }

        .hero-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
            border-radius: var(--radius-xl);
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, rgba(27, 27, 58, 0.08) 0%, rgba(191, 155, 78, 0.12) 100%);
            pointer-events: none;
        }

        /* ============ STATS STRIP ============ */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
            background: var(--color-white);
        }

        .stats-strip-item {
            padding: 32px 24px;
            text-align: center;
            border-right: 1px solid var(--color-border-light);
        }

        .stats-strip-item:last-child {
            border-right: none;
        }

        .stats-strip-item .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stats-strip-item .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
        }

        /* ============ GRID LAYOUTS ============ */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ============ FEATURE LIST ============ */
        .feature-list-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .feature-list-item:last-child {
            border-bottom: none;
        }

        .feature-list-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--color-tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        /* ============ IMAGE TEXT BLOCK ============ */
        .img-text-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .img-text-block.reverse {
            direction: rtl;
        }

        .img-text-block.reverse>* {
            direction: ltr;
        }

        .img-text-block .block-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .img-text-block .block-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            letter-spacing: 0.02em;
            user-select: none;
        }

        .faq-question .faq-icon {
            font-size: 0.8rem;
            transition: transform var(--transition-base);
            color: var(--color-accent);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 24px;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 18px;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(191, 155, 78, 0.06);
            pointer-events: none;
        }

        .cta-section h2 {
            color: #FFFFFF;
            font-size: 2rem;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0D0D22;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.04em;
            font-family: var(--font-heading);
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            gap: 12px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-visual {
                transform: none;
                max-width: 560px;
                margin: 0 auto;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip-item {
                border-right: 1px solid var(--color-border-light);
                border-bottom: 1px solid var(--color-border-light);
            }
            .stats-strip-item:nth-child(2) {
                border-right: none;
            }
            .img-text-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: 52px 0;
            }
            .hero-section {
                padding: 56px 0 48px;
            }
        }

        @media (max-width: 768px) {
            .site-sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .site-sidebar.open {
                transform: translateX(0);
                box-shadow: 4px 0 32px rgba(27, 27, 58, 0.35);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-toggle {
                display: flex;
            }
            .content-container {
                padding: 0 20px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-text .hero-desc {
                font-size: 1rem;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .hero-kpi-row {
                gap: 20px;
            }
            .section {
                padding: 40px 0;
            }
            .hero-section {
                padding: 44px 0 36px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .hero-kpi-row {
                gap: 14px;
            }
            .hero-kpi-item .kpi-num {
                font-size: 1.5rem;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 0.95rem;
            }
            .content-container {
                padding: 0 14px;
            }
            .section {
                padding: 32px 0;
            }
            .hero-section {
                padding: 36px 0 28px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1B1B3A;
            --color-primary-light: #252550;
            --color-accent: #BF9B4E;
            --color-accent-light: #D4B76A;
            --color-accent-dark: #9A7B3A;
            --color-red: #D4343E;
            --color-red-light: #E8555E;
            --color-bg: #F9F8F6;
            --color-white: #FFFFFF;
            --color-card: #FFFFFF;
            --color-text: #1B1B3A;
            --color-text-secondary: #5A5A72;
            --color-text-muted: #8A8A9A;
            --color-border: #E5E3DE;
            --color-border-light: #F0EFEC;
            --color-success: #2D8B4E;
            --color-tag-bg: #FFF8EC;
            --color-dark-section: #111128;
            --color-dark-section-text: #E8E6E0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(27, 27, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(27, 27, 58, 0.10);
            --shadow-lg: 0 8px 32px rgba(27, 27, 58, 0.14);
            --shadow-xl: 0 16px 48px rgba(27, 27, 58, 0.18);
            --shadow-accent: 0 4px 20px rgba(191, 155, 78, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --sidebar-width: 220px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #E8E6E0;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(27, 27, 58, 0.25);
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
        }

        .site-sidebar::-webkit-scrollbar {
            width: 4px;
        }

        .site-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .site-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.18);
            border-radius: 4px;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }

        .sidebar-logo {
            font-size: 1.5rem;
            font-weight: 800;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1B1B3A;
            font-weight: 900;
            flex-shrink: 0;
        }

        .sidebar-tagline {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
            letter-spacing: 0.04em;
            font-weight: 400;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
        }

        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .sidebar-nav li a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
            border-left-color: rgba(255, 255, 255, 0.3);
        }

        .sidebar-nav li a.active {
            color: #FFFFFF;
            background: rgba(191, 155, 78, 0.15);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar-nav .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 16px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            flex-shrink: 0;
        }

        /* ============ MOBILE TOP BAR ============ */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 56px;
            background: var(--color-primary);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(27, 27, 58, 0.3);
        }

        .mobile-topbar .mobile-logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-heading);
            letter-spacing: 0.03em;
        }

        .mobile-topbar .mobile-logo .logo-icon-small {
            width: 30px;
            height: 30px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #1B1B3A;
            font-weight: 900;
        }

        .hamburger-btn {
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.4rem;
            padding: 8px;
            cursor: pointer;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
        }

        .hamburger-btn:hover {
            color: var(--color-accent-light);
            background: rgba(255, 255, 255, 0.08);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .sidebar-overlay.active {
            opacity: 1;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - var(--sidebar-width));
            transition: margin-left var(--transition-slow), width var(--transition-slow);
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            position: relative;
            background: var(--color-primary);
            background-image: linear-gradient(160deg, rgba(27, 27, 58, 0.92) 0%, rgba(27, 27, 58, 0.78) 40%, rgba(17, 17, 40, 0.9) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #FFFFFF;
            padding: 70px 48px 60px;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            width: 100%;
            max-width: 1100px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .hero-left {
            flex: 1;
            min-width: 300px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(191, 155, 78, 0.2);
            color: var(--color-accent-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
            border: 1px solid rgba(191, 155, 78, 0.3);
        }

        .hero-left h1 {
            font-size: 2.8rem;
            font-weight: 800;
            font-family: var(--font-heading);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            color: #FFFFFF;
        }

        .hero-left h1 .accent-text {
            color: var(--color-accent-light);
            position: relative;
        }

        .hero-left .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #1B1B3A;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
            border: none;
            cursor: pointer;
        }

        .btn-accent:hover {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            box-shadow: 0 6px 28px rgba(191, 155, 78, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #FFFFFF;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            border: 2px solid rgba(255, 255, 255, 0.45);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-outline-light:hover {
            border-color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-right {
            flex: 0 0 340px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }

        .countdown-ring-wrap {
            position: relative;
            width: 180px;
            height: 180px;
            flex-shrink: 0;
        }

        .countdown-ring-wrap svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .countdown-ring-wrap .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.18);
            stroke-width: 8;
        }

        .countdown-ring-wrap .ring-progress {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.9s linear;
        }

        .countdown-center-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            line-height: 1;
        }

        .countdown-center-text .cd-time {
            font-size: 2rem;
            font-weight: 800;
            font-family: var(--font-mono);
            color: #FFFFFF;
            letter-spacing: 0.03em;
        }

        .countdown-center-text .cd-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.06em;
        }

        .carousel-dots {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .carousel-dots .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.35);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            padding: 0;
        }

        .carousel-dots .dot.active {
            background: var(--color-accent-light);
            width: 28px;
            border-radius: 12px;
        }

        .carousel-snippet {
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            min-height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: opacity var(--transition-base);
            letter-spacing: 0.02em;
        }

        /* ============ SECTION COMMONS ============ */
        .section-pad {
            padding: 64px 32px;
        }

        .section-container {
            max-width: 1100px;
            margin: 0 auto;
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            margin-bottom: 10px;
            background: var(--color-tag-bg);
            padding: 4px 14px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            font-family: var(--font-heading);
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        /* ============ RESULT CARDS GRID ============ */
        .result-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .result-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .result-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .result-card .card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .result-card .lottery-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            font-family: var(--font-heading);
        }

        .result-card .lottery-badge {
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.04em;
        }

        .badge-live {
            background: #E8555E;
            color: #fff;
            animation: pulse-badge 1.8s infinite;
        }

        .badge-done {
            background: #E8F5E9;
            color: #2D8B4E;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        .result-card .issue-number {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 12px;
        }

        .result-card .number-balls {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .number-ball {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #D4343E, #E8555E);
            color: #fff;
            font-weight: 800;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            box-shadow: 0 2px 8px rgba(212, 52, 62, 0.3);
        }

        .number-ball.blue {
            background: linear-gradient(135deg, #1B5FE0, #3B7AF5);
            box-shadow: 0 2px 8px rgba(27, 95, 224, 0.3);
        }

        .result-card .result-time {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .result-card .card-image {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 14px;
        }

        /* ============ TIMELINE TABLE ============ */
        .schedule-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: var(--color-card);
            border: 1px solid var(--color-border-light);
        }

        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }

        .schedule-table thead {
            background: var(--color-primary);
            color: #FFFFFF;
        }

        .schedule-table thead th {
            padding: 14px 16px;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-align: left;
            font-size: 0.82rem;
        }

        .schedule-table tbody td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text-secondary);
        }

        .schedule-table tbody tr {
            transition: background var(--transition-fast);
        }

        .schedule-table tbody tr:hover {
            background: #FDFCF8;
        }

        .schedule-table .status-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            margin-right: 6px;
        }

        .status-dot.green {
            background: #2D8B4E;
        }
        .status-dot.orange {
            background: #F0A030;
        }
        .status-dot.red {
            background: #D4343E;
        }

        /* ============ SEARCH PANEL ============ */
        .search-panel {
            background: var(--color-card);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: flex-end;
        }

        .search-panel .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
            min-width: 160px;
        }

        .search-panel label {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--color-text-secondary);
            letter-spacing: 0.04em;
        }

        .search-panel select,
        .search-panel input {
            padding: 12px 14px;
            border-radius: var(--radius-md);
            border: 2px solid var(--color-border);
            font-size: 0.9rem;
            font-family: var(--font-body);
            background: var(--color-bg);
            transition: border-color var(--transition-fast);
            color: var(--color-text);
        }

        .search-panel select:focus,
        .search-panel input:focus {
            border-color: var(--color-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(191, 155, 78, 0.12);
        }

        .search-panel .btn-search {
            background: var(--color-primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
        }

        .search-panel .btn-search:hover {
            background: var(--color-primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ============ STATS PANEL ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .stat-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }

        .stat-card .stat-number.accent {
            color: var(--color-accent-dark);
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ============ WINNER SHOWCASE ============ */
        .winner-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }

        .winner-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-base);
        }

        .winner-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .winner-card .winner-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            font-weight: 700;
        }

        .winner-card .winner-info .winner-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .winner-card .winner-info .winner-prize {
            font-size: 0.78rem;
            color: var(--color-accent-dark);
            font-weight: 600;
        }

        .winner-card .winner-info .winner-time {
            font-size: 0.7rem;
            color: var(--color-text-muted);
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--color-text);
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #FDFCF8;
        }

        .faq-question .faq-icon {
            font-size: 0.8rem;
            transition: transform var(--transition-base);
            color: var(--color-accent);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #FFFFFF;
            text-align: center;
            padding: 64px 32px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(191, 155, 78, 0.12);
            pointer-events: none;
        }

        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 800;
            font-family: var(--font-heading);
            margin-bottom: 12px;
            position: relative;
        }

        .cta-section .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            position: relative;
        }

        .cta-section .btn-accent-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: #1B1B3A;
            font-weight: 700;
            padding: 16px 36px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            letter-spacing: 0.04em;
            box-shadow: var(--shadow-accent);
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
            border: none;
        }

        .cta-section .btn-accent-large:hover {
            box-shadow: 0 8px 36px rgba(191, 155, 78, 0.45);
            transform: translateY(-3px);
        }

        /* ============ DARK SECTION ============ */
        .dark-section {
            background: var(--color-dark-section);
            color: var(--color-dark-section-text);
            padding: 64px 32px;
        }

        .dark-section .section-title {
            color: #FFFFFF;
        }

        .dark-section .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0D0D22;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 32px 24px;
            font-size: 0.85rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            max-width: 1100px;
            margin: 0 auto 32px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
            font-size: 0.82rem;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: #FFFFFF;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            max-width: 1100px;
            margin: 0 auto;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .site-sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }

            .site-sidebar.mobile-open {
                transform: translateX(0);
                box-shadow: 8px 0 40px rgba(27, 27, 58, 0.5);
            }

            .sidebar-overlay {
                display: block;
                pointer-events: none;
            }

            .sidebar-overlay.active {
                pointer-events: all;
            }

            .mobile-topbar {
                display: flex;
            }

            .main-content {
                margin-left: 0;
                width: 100%;
                padding-top: 56px;
            }

            .hero-section {
                padding: 40px 20px 36px;
                min-height: auto;
            }

            .hero-inner {
                flex-direction: column;
                gap: 28px;
            }

            .hero-left h1 {
                font-size: 2rem;
            }

            .hero-right {
                flex: 0 0 auto;
                width: 100%;
            }

            .countdown-ring-wrap {
                width: 140px;
                height: 140px;
            }

            .countdown-center-text .cd-time {
                font-size: 1.5rem;
            }

            .section-pad {
                padding: 40px 16px;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .result-cards-grid {
                grid-template-columns: 1fr;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .winner-grid {
                grid-template-columns: 1fr;
            }

            .search-panel {
                flex-direction: column;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .hero-left h1 {
                font-size: 1.6rem;
            }

            .hero-subtitle {
                font-size: 0.9rem;
            }

            .btn-accent,
            .btn-outline-light {
                padding: 12px 20px;
                font-size: 0.85rem;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
            }

            .stat-card .stat-number {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .section-pad {
                padding: 32px 12px;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .countdown-ring-wrap {
                width: 110px;
                height: 110px;
            }

            .countdown-center-text .cd-time {
                font-size: 1.2rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1B1B3A;
            --color-primary-light: #252550;
            --color-accent: #BF9B4E;
            --color-accent-light: #D4B76A;
            --color-accent-dark: #9A7B3A;
            --color-red: #D4343E;
            --color-red-light: #E8555E;
            --color-bg: #F9F8F6;
            --color-white: #FFFFFF;
            --color-card: #FFFFFF;
            --color-text: #1B1B3A;
            --color-text-secondary: #5A5A72;
            --color-text-muted: #8A8A9A;
            --color-border: #E5E3DE;
            --color-border-light: #F0EFEC;
            --color-success: #2D8B4E;
            --color-tag-bg: #FFF8EC;
            --color-dark-section: #111128;
            --color-dark-section-text: #E8E6E0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(27, 27, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(27, 27, 58, 0.10);
            --shadow-lg: 0 8px 32px rgba(27, 27, 58, 0.14);
            --shadow-xl: 0 16px 48px rgba(27, 27, 58, 0.18);
            --shadow-accent: 0 4px 20px rgba(191, 155, 78, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --sidebar-width: 220px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 0.5em;
            color: var(--color-text);
        }

        h1 {
            font-size: 2.6rem;
            letter-spacing: 0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: 0.01em;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin: 0 0 1em;
            color: var(--color-text-secondary);
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #E8E6E0;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(27, 27, 58, 0.25);
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
        }

        .site-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .site-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .site-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }

        .sidebar-logo {
            font-size: 1.5rem;
            font-weight: 800;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1B1B3A;
            font-weight: 900;
            flex-shrink: 0;
        }

        .sidebar-tagline {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
            letter-spacing: 0.04em;
            font-weight: 400;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
        }

        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
            border-radius: 0;
        }

        .sidebar-nav li a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
            border-left-color: rgba(191, 155, 78, 0.5);
        }

        .sidebar-nav li a.active {
            color: #FFFFFF;
            background: rgba(191, 155, 78, 0.15);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar-nav .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 16px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
            letter-spacing: 0.03em;
        }

        /* ============ MOBILE TOP BAR ============ */
        .mobile-top-bar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1100;
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(27, 27, 58, 0.3);
        }

        .mobile-top-bar .mobile-logo {
            font-size: 1.2rem;
            font-weight: 800;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-top-bar .mobile-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #1B1B3A;
            font-weight: 900;
        }

        .hamburger-btn {
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.4rem;
            padding: 6px 10px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 999;
            transition: opacity var(--transition-base);
        }
        .sidebar-overlay.active {
            display: block;
            opacity: 1;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - var(--sidebar-width));
            transition: margin-left var(--transition-slow), width var(--transition-slow);
        }

        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            position: relative;
            width: 100%;
            min-height: 520px;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(17, 17, 40, 0.78) 0%, rgba(27, 27, 58, 0.85) 40%, rgba(17, 17, 40, 0.92) 100%);
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 32px 50px;
            max-width: 800px;
            width: 100%;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(191, 155, 78, 0.2);
            border: 1px solid rgba(191, 155, 78, 0.45);
            color: var(--color-accent-light);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero-section h1 {
            color: #FFFFFF;
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }

        .hero-subtitle {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.15rem;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Countdown */
        .countdown-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .countdown-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            margin-right: 4px;
            white-space: nowrap;
        }

        .countdown-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-md);
            padding: 10px 16px;
            min-width: 54px;
            text-align: center;
            backdrop-filter: blur(6px);
            transition: all var(--transition-fast);
        }

        .countdown-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #FFFFFF;
            font-family: var(--font-mono);
            letter-spacing: 0.04em;
            line-height: 1;
            display: block;
            transition: transform 0.3s ease;
        }
        .countdown-num.pulse {
            animation: countPulse 0.5s ease;
        }
        @keyframes countPulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.18);
                color: var(--color-accent-light);
            }
        }

        .countdown-unit {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.05em;
            margin-top: 2px;
            display: block;
        }

        .countdown-divider {
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.4rem;
            font-weight: 300;
            padding-top: 6px;
        }

        /* Hero Buttons */
        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: var(--color-accent);
            color: #1B1B3A;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid transparent;
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 28px rgba(191, 155, 78, 0.4);
            transform: translateY(-2px);
            color: #1B1B3A;
        }
        .btn-hero-outline {
            background: transparent;
            color: #FFFFFF;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            border: 2px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(4px);
        }
        .btn-hero-outline:hover {
            border-color: #FFFFFF;
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* ============ SECTION STYLES ============ */
        .section-block {
            padding: 70px 0;
        }
        .section-block-alt {
            background: var(--color-white);
            padding: 70px 0;
        }
        .section-block-dark {
            background: var(--color-dark-section);
            color: var(--color-dark-section-text);
            padding: 70px 0;
        }
        .section-block-dark h2,
        .section-block-dark h3 {
            color: #FFFFFF;
        }
        .section-block-dark p {
            color: rgba(232, 230, 224, 0.75);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            margin-bottom: 8px;
            background: var(--color-tag-bg);
            padding: 4px 14px;
            border-radius: 50px;
        }

        .section-heading {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            color: var(--color-text);
        }
        .section-heading-light {
            color: #FFFFFF;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 650px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* ============ CARDS ============ */
        .play-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .play-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .play-card .card-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .play-card .card-icon-circle.icon-gold {
            background: linear-gradient(135deg, #FDF3D0, #FCE8B0);
            color: #8B6914;
        }
        .play-card .card-icon-circle.icon-blue {
            background: linear-gradient(135deg, #DDE8F8, #C5D8F2);
            color: #1B3A6B;
        }
        .play-card .card-icon-circle.icon-green {
            background: linear-gradient(135deg, #D8F0E0, #BDE8CC);
            color: #1A5C30;
        }
        .play-card .card-icon-circle.icon-purple {
            background: linear-gradient(135deg, #E8E0F0, #D8CCE8);
            color: #3D1A5C;
        }
        .play-card .card-icon-circle.icon-red {
            background: linear-gradient(135deg, #FCE0E0, #F8CCCC);
            color: #6B1A1A;
        }
        .play-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            font-weight: 700;
        }
        .play-card p {
            font-size: 0.92rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .play-card .card-tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 14px;
        }
        .play-card .card-tag {
            font-size: 0.72rem;
            padding: 4px 10px;
            border-radius: 50px;
            background: var(--color-tag-bg);
            color: var(--color-accent-dark);
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        /* ============ IMAGE-TEXT BLOCK ============ */
        .img-text-block {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .img-text-block.reverse {
            flex-direction: row-reverse;
        }
        .img-text-block .img-side {
            flex: 1;
            min-width: 280px;
        }
        .img-text-block .img-side img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            object-fit: cover;
        }
        .img-text-block .text-side {
            flex: 1;
            min-width: 280px;
        }
        .img-text-block .text-side h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .img-text-block .text-side p {
            line-height: 1.85;
            margin-bottom: 10px;
        }

        /* ============ STEPS / TIMELINE ============ */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            counter-reset: step;
        }
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateX(4px);
        }
        .step-num {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ============ STATS ROW ============ */
        .stats-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            text-align: center;
            min-width: 150px;
            flex: 1;
            backdrop-filter: blur(4px);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }
        .stat-card .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent-light);
            font-family: var(--font-mono);
            letter-spacing: 0.02em;
            display: block;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: rgba(232, 230, 224, 0.6);
            letter-spacing: 0.04em;
            margin-top: 6px;
        }

        /* ============ RULES LIST ============ */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .rule-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .rule-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .rule-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-dark);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .rule-text h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .rule-text p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ============ FAQ ACCORDION ============ */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            border: none;
            letter-spacing: 0.01em;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--color-border-light);
        }
        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item.open .faq-question {
            color: var(--color-primary);
            background: var(--color-tag-bg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, #1a1a40 50%, #111130 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(191, 155, 78, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            color: #FFFFFF;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(232, 230, 224, 0.7);
            font-size: 1.05rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--color-accent);
            color: #1B1B3A;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            box-shadow: var(--shadow-accent);
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            border: 2px solid transparent;
        }
        .btn-cta-large:hover {
            background: var(--color-accent-light);
            box-shadow: 0 8px 36px rgba(191, 155, 78, 0.45);
            transform: translateY(-3px);
            color: #1B1B3A;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0D0D20;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 32px 24px;
            flex-shrink: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            max-width: 1100px;
            margin: 0 auto 32px;
        }
        .footer-col h4 {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.04em;
        }
        .footer-bottom {
            max-width: 1100px;
            margin: 0 auto;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 200px;
            }
            .content-container {
                padding: 0 20px;
            }
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .section-heading {
                font-size: 1.6rem;
            }
            .img-text-block {
                gap: 28px;
            }
            .img-text-block .img-side,
            .img-text-block .text-side {
                min-width: 240px;
            }
        }

        @media (max-width: 768px) {
            .site-sidebar {
                transform: translateX(-100%);
                width: 260px;
                --sidebar-width: 260px;
            }
            .site-sidebar.open {
                transform: translateX(0);
                box-shadow: 8px 0 40px rgba(0, 0, 0, 0.5);
            }
            .mobile-top-bar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                width: 100%;
                padding-top: 56px;
            }
            .content-container {
                padding: 0 16px;
            }
            .hero-section {
                min-height: 420px;
            }
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-inner {
                padding: 40px 16px 36px;
            }
            .countdown-item {
                padding: 8px 12px;
                min-width: 44px;
            }
            .countdown-num {
                font-size: 1.4rem;
            }
            .section-block,
            .section-block-alt,
            .section-block-dark {
                padding: 44px 0;
            }
            .section-heading {
                font-size: 1.4rem;
            }
            .img-text-block,
            .img-text-block.reverse {
                flex-direction: column;
                gap: 20px;
            }
            .img-text-block .img-side,
            .img-text-block .text-side {
                min-width: 100%;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-card {
                padding: 20px 16px;
                min-width: 120px;
            }
            .stat-card .stat-num {
                font-size: 1.8rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.85rem;
            }
            .countdown-bar {
                gap: 8px;
            }
            .countdown-item {
                padding: 6px 10px;
                min-width: 38px;
            }
            .countdown-num {
                font-size: 1.2rem;
            }
            .countdown-unit {
                font-size: 0.62rem;
            }
            .countdown-divider {
                font-size: 1rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 10px 18px;
                font-size: 0.82rem;
                width: 100%;
                justify-content: center;
            }
            .hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                flex-direction: column;
                align-items: stretch;
            }
            .stat-card {
                min-width: auto;
            }
            .play-card {
                padding: 20px 16px;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
                padding: 18px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1B1B3A;
            --color-primary-light: #252550;
            --color-accent: #BF9B4E;
            --color-accent-light: #D4B76A;
            --color-accent-dark: #9A7B3A;
            --color-red: #D4343E;
            --color-red-light: #E8555E;
            --color-bg: #F9F8F6;
            --color-white: #FFFFFF;
            --color-card: #FFFFFF;
            --color-text: #1B1B3A;
            --color-text-secondary: #5A5A72;
            --color-text-muted: #8A8A9A;
            --color-border: #E5E3DE;
            --color-border-light: #F0EFEC;
            --color-success: #2D8B4E;
            --color-tag-bg: #FFF8EC;
            --color-dark-section: #111128;
            --color-dark-section-text: #E8E6E0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(27, 27, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(27, 27, 58, 0.10);
            --shadow-lg: 0 8px 32px rgba(27, 27, 58, 0.14);
            --shadow-xl: 0 16px 48px rgba(27, 27, 58, 0.18);
            --shadow-accent: 0 4px 20px rgba(191, 155, 78, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --sidebar-width: 220px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 0.5em;
            color: var(--color-text);
        }

        p {
            margin: 0 0 1em;
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #E8E6E0;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(27, 27, 58, 0.25);
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
        }

        .site-sidebar::-webkit-scrollbar {
            width: 4px;
        }

        .site-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .site-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.18);
            border-radius: 4px;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }

        .sidebar-logo {
            font-size: 1.5rem;
            font-weight: 800;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1B1B3A;
            font-weight: 900;
            flex-shrink: 0;
        }

        .sidebar-tagline {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
            letter-spacing: 0.04em;
            font-weight: 400;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
        }

        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
            position: relative;
        }

        .sidebar-nav li a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
            border-left-color: rgba(191, 155, 78, 0.5);
        }

        .sidebar-nav li a.active {
            color: #FFFFFF;
            background: rgba(191, 155, 78, 0.12);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar-nav li a.active .nav-icon {
            color: var(--color-accent-light);
        }

        .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .sidebar-footer-meta {
            padding: 16px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--color-bg);
            transition: margin-left var(--transition-slow);
        }

        /* ============ MOBILE TOP BAR ============ */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--color-primary);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(27, 27, 58, 0.2);
        }

        .mobile-topbar .mobile-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
            font-family: var(--font-heading);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-topbar .mobile-logo .logo-icon-sm {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: #1B1B3A;
            font-weight: 900;
            flex-shrink: 0;
        }

        .mobile-menu-toggle {
            margin-left: auto;
            background: none;
            color: #FFFFFF;
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-sidebar-overlay.open {
            opacity: 1;
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            position: relative;
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 60px 48px;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 27, 58, 0.88) 0%, rgba(27, 27, 58, 0.72) 40%, rgba(17, 17, 40, 0.65) 100%);
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 800px;
            width: 100%;
        }

        .hero-badge-sticker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-red);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: 30px;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            animation: pulse-badge 2.2s ease-in-out infinite;
            box-shadow: 0 6px 24px rgba(212, 52, 62, 0.45);
            position: relative;
        }

        .hero-badge-sticker .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #FFFFFF;
            animation: blink-dot 1s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.04);
            }
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hero-corner-explosion {
            position: absolute;
            top: 28px;
            right: 40px;
            z-index: 3;
            width: 110px;
            height: 110px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            text-align: center;
            font-weight: 900;
            font-family: var(--font-heading);
            color: #1B1B3A;
            font-size: 0.85rem;
            line-height: 1.2;
            box-shadow: 0 8px 32px rgba(191, 155, 78, 0.5);
            transform: rotate(12deg);
            animation: float-explosion 3s ease-in-out infinite;
        }

        .hero-corner-explosion span {
            font-size: 1.6rem;
            display: block;
            line-height: 1;
        }

        @keyframes float-explosion {
            0%,
            100% {
                transform: rotate(12deg) translateY(0);
            }
            50% {
                transform: rotate(12deg) translateY(-12px);
            }
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: 0.03em;
            color: #FFFFFF;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .hero-title .highlight {
            color: var(--color-accent-light);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 600px;
            line-height: 1.6;
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #1B1B3A;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 30px;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
            white-space: nowrap;
        }

        .btn-primary-accent:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(191, 155, 78, 0.4);
            color: #1B1B3A;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #FFFFFF;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            border-color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* ============ SECTION COMMONS ============ */
        .section-block {
            padding: 56px 48px;
        }

        .section-block-alt {
            background: var(--color-white);
        }

        .section-block-dark {
            background: var(--color-dark-section);
            color: var(--color-dark-section-text);
        }

        .section-block-dark h2,
        .section-block-dark h3 {
            color: #FFFFFF;
        }

        .section-block-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent-dark);
            background: var(--color-tag-bg);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 650px;
        }

        .section-block-dark .section-label {
            background: rgba(191, 155, 78, 0.2);
            color: var(--color-accent-light);
        }

        /* ============ SKILL CARDS GRID ============ */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .skill-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .skill-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        .skill-card .skill-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent-light);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .skill-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .skill-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        .skill-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            background: var(--color-tag-bg);
            padding: 4px 10px;
            border-radius: 12px;
            margin-top: 12px;
            letter-spacing: 0.03em;
        }

        .skill-card.featured-card {
            border: 2px solid var(--color-accent);
            box-shadow: var(--shadow-accent);
            background: linear-gradient(180deg, #FFFDF8 0%, #FFFFFF 100%);
        }

        .skill-card.featured-card::before {
            content: '热门推荐';
            position: absolute;
            top: 14px;
            right: -28px;
            background: var(--color-red);
            color: #FFFFFF;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 5px 32px;
            transform: rotate(38deg);
            letter-spacing: 0.05em;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(212, 52, 62, 0.3);
        }

        /* ============ DEEP CONTENT AREA ============ */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .deep-content-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .deep-content-text p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .deep-content-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .deep-content-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* ============ STATS ROW ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            text-align: center;
            padding: 28px 16px;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            font-family: var(--font-heading);
            color: var(--color-accent-dark);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        /* ============ STEPS TIMELINE ============ */
        .steps-timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 40px;
        }

        .steps-timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-border);
            border-radius: 3px;
        }

        .step-item {
            position: relative;
            padding: 20px 0 20px 32px;
        }

        .step-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 28px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid var(--color-white);
            box-shadow: var(--shadow-sm);
            z-index: 2;
        }

        .step-item .step-number {
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--color-accent-dark);
            letter-spacing: 0.06em;
            margin-bottom: 4px;
            text-transform: uppercase;
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            background: none;
            text-align: left;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: var(--color-tag-bg);
        }

        .faq-question .faq-icon {
            font-size: 0.8rem;
            color: var(--color-accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #FFFFFF;
            text-align: center;
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(191, 155, 78, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--color-red);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 16px 36px;
            border-radius: 34px;
            letter-spacing: 0.04em;
            box-shadow: 0 8px 28px rgba(212, 52, 62, 0.45);
            transition: all var(--transition-base);
        }

        .btn-cta-large:hover {
            background: var(--color-red-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(212, 52, 62, 0.55);
            color: #FFFFFF;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-primary);
            color: #E8E6E0;
            padding: 48px 48px 28px;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            font-family: var(--font-heading);
            color: #FFFFFF;
            letter-spacing: 0.04em;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            gap: 10px;
            letter-spacing: 0.02em;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ============ RESPONSIVE ============ */
        @media screen and (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-corner-explosion {
                width: 85px;
                height: 85px;
                font-size: 0.7rem;
                top: 20px;
                right: 20px;
            }
            .hero-corner-explosion span {
                font-size: 1.3rem;
            }
            .section-block {
                padding: 40px 28px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .hero-section {
                padding: 50px 28px;
                min-height: 360px;
            }
            .cta-section {
                padding: 40px 28px;
            }
            .site-footer {
                padding: 36px 28px 20px;
            }
        }

        @media screen and (max-width: 768px) {
            .site-sidebar {
                transform: translateX(-100%);
                width: 260px;
                box-shadow: none;
            }
            .site-sidebar.mobile-open {
                transform: translateX(0);
                box-shadow: 8px 0 32px rgba(27, 27, 58, 0.4);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .mobile-sidebar-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-sidebar-overlay.open {
                pointer-events: auto;
            }
            .main-content {
                padding-top: 56px;
            }
            .hero-section {
                padding: 36px 20px;
                min-height: 320px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-corner-explosion {
                width: 70px;
                height: 70px;
                font-size: 0.6rem;
                top: 14px;
                right: 12px;
            }
            .hero-corner-explosion span {
                font-size: 1.1rem;
            }
            .hero-cta-row {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary-accent,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .section-block {
                padding: 32px 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .skills-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-timeline {
                padding-left: 24px;
            }
            .steps-timeline::before {
                left: 10px;
            }
            .step-item {
                padding: 14px 0 14px 20px;
            }
            .step-item::before {
                left: -18px;
                top: 22px;
                width: 10px;
                height: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
                font-size: 0.72rem;
            }
            .cta-section {
                padding: 32px 16px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .site-footer {
                padding: 28px 16px 18px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        @media screen and (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-corner-explosion {
                width: 56px;
                height: 56px;
                font-size: 0.5rem;
                top: 10px;
                right: 8px;
            }
            .hero-corner-explosion span {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 18px 10px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.72rem;
            }
            .btn-cta-large {
                font-size: 0.95rem;
                padding: 12px 24px;
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1B1B3A;
            --color-primary-light: #252550;
            --color-accent: #BF9B4E;
            --color-accent-light: #D4B76A;
            --color-accent-dark: #9A7B3A;
            --color-red: #D4343E;
            --color-red-light: #E8555E;
            --color-bg: #F9F8F6;
            --color-white: #FFFFFF;
            --color-card: #FFFFFF;
            --color-text: #1B1B3A;
            --color-text-secondary: #5A5A72;
            --color-text-muted: #8A8A9A;
            --color-border: #E5E3DE;
            --color-border-light: #F0EFEC;
            --color-success: #2D8B4E;
            --color-tag-bg: #FFF8EC;
            --color-dark-section: #111128;
            --color-dark-section-text: #E8E6E0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(27, 27, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(27, 27, 58, 0.10);
            --shadow-lg: 0 8px 32px rgba(27, 27, 58, 0.14);
            --shadow-xl: 0 16px 48px rgba(27, 27, 58, 0.18);
            --shadow-accent: 0 4px 20px rgba(191, 155, 78, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --sidebar-width: 260px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        :root {
            --sidebar-width: 220px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--color-text);
            margin: 0;
            line-height: 1.3;
        }

        p {
            margin: 0;
            color: var(--color-text-secondary);
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #E8E6E0;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(27, 27, 58, 0.25);
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
        }

        .site-sidebar::-webkit-scrollbar {
            width: 4px;
        }

        .site-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .site-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.18);
            border-radius: 4px;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }

        .sidebar-logo {
            font-size: 1.5rem;
            font-weight: 800;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1B1B3A;
            font-weight: 900;
            flex-shrink: 0;
        }

        .sidebar-tagline {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
            letter-spacing: 0.04em;
            font-weight: 400;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
        }

        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .sidebar-nav li a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
            border-left-color: rgba(255, 255, 255, 0.25);
        }

        .sidebar-nav li a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar-nav .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 16px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.4);
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - var(--sidebar-width));
        }

        /* ============ MOBILE TOP BAR ============ */
        .mobile-top-bar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--color-primary);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(27, 27, 58, 0.2);
        }

        .mobile-top-bar .mobile-logo {
            font-size: 1.15rem;
            font-weight: 800;
            color: #FFFFFF;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-top-bar .mobile-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #1B1B3A;
            font-weight: 900;
        }

        .mobile-menu-toggle {
            margin-left: auto;
            background: transparent;
            color: #FFFFFF;
            font-size: 1.4rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
        }

        .sidebar-overlay.active {
            display: block;
        }

        /* ============ SECTION COMMONS ============ */
        .section-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-padding-sm {
            padding: 50px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 12px;
            background: var(--color-tag-bg);
            padding: 6px 16px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 620px;
            line-height: 1.8;
        }

        /* ============ BUTTONS ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: all var(--transition-base);
            font-family: var(--font-body);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #1B1B3A;
            box-shadow: var(--shadow-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 24px rgba(191, 155, 78, 0.35);
            transform: translateY(-2px);
            color: #1B1B3A;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-text);
            border: 2px solid var(--color-border);
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: rgba(191, 155, 78, 0.04);
        }

        .btn-white {
            background: #FFFFFF;
            color: #1B1B3A;
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            background: #F5F4F1;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }

        /* ============ CARDS ============ */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon.accent {
            background: rgba(191, 155, 78, 0.12);
            color: var(--color-accent-dark);
        }

        .card-icon.primary {
            background: rgba(27, 27, 58, 0.06);
            color: var(--color-primary);
        }

        .card-icon.success {
            background: rgba(45, 139, 78, 0.1);
            color: var(--color-success);
        }

        .card-icon.red {
            background: rgba(212, 52, 62, 0.08);
            color: var(--color-red);
        }

        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            background: linear-gradient(160deg, #1B1B3A 0%, #1E1E42 40%, #252550 100%);
            color: #FFFFFF;
            padding: 0;
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: rgba(191, 155, 78, 0.06);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(212, 52, 62, 0.05);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
            width: 100%;
            padding: 50px 0;
        }

        .hero-text {
            padding-right: 20px;
        }

        .hero-text .hero-badge {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-accent-light);
            background: rgba(191, 155, 78, 0.12);
            padding: 7px 18px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 900;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            line-height: 1.25;
        }

        .hero-text .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 440px;
        }

        .hero-kpi-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-kpi {
            text-align: left;
        }

        .hero-kpi .kpi-number {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--color-accent-light);
            letter-spacing: 0.02em;
            font-family: var(--font-mono);
        }

        .hero-kpi .kpi-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.04em;
        }

        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            clip-path: polygon(6% 0%, 100% 0%, 100% 100%, 0% 100%);
            box-shadow: var(--shadow-xl);
            aspect-ratio: 16 / 11;
            min-height: 340px;
        }

        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .hero-image-wrap .hero-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 27, 58, 0.25) 0%, rgba(27, 27, 58, 0.05) 60%);
            pointer-events: none;
        }

        /* ============ CERT SECTION ============ */
        .cert-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .cert-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .cert-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .cert-card .cert-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 14px;
        }

        .cert-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .cert-card p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        /* ============ FEATURE ALT SECTION ============ */
        .feature-alt-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .feature-alt-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
        }

        .feature-alt-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-alt-text h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .feature-alt-text .feature-desc {
            font-size: 0.98rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .feature-check-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .feature-check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .feature-check-list li i {
            color: var(--color-success);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ============ PROCESS STEPS ============ */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .process-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #1B1B3A;
            font-weight: 900;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            letter-spacing: 0.04em;
            box-shadow: var(--shadow-accent);
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .process-step p {
            font-size: 0.84rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .process-connector {
            display: none;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
        }

        .faq-question i {
            color: var(--color-accent);
            transition: transform var(--transition-base);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 24px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: var(--color-dark-section);
            color: var(--color-dark-section-text);
            text-align: center;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(191, 155, 78, 0.08);
            pointer-events: none;
        }

        .cta-section .section-title {
            color: #FFFFFF;
        }

        .cta-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
            margin: 0 auto 28px;
        }

        .cta-btn-row {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0D0D24;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            font-size: 0.88rem;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #FFFFFF;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.84rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            max-width: 1100px;
            margin: 32px auto 0;
            padding: 20px 32px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ============ DARK SECTION VARIANT ============ */
        .section-dark {
            background: var(--color-dark-section);
            color: var(--color-dark-section-text);
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-dark .card {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.08);
            color: #E8E6E0;
        }

        .section-dark .card h3 {
            color: #FFFFFF;
        }

        .section-dark .card p {
            color: rgba(255, 255, 255, 0.6);
        }

        .section-dark .card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.18);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 200px;
            }
            .hero-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .cert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-alt-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --sidebar-width: 0px;
            }
            .site-sidebar {
                transform: translateX(-100%);
                width: 260px;
                z-index: 1001;
            }
            .site-sidebar.mobile-open {
                transform: translateX(0);
                box-shadow: 8px 0 32px rgba(0, 0, 0, 0.5);
            }
            .mobile-top-bar {
                display: flex;
            }
            .sidebar-overlay {
                display: none;
            }
            .sidebar-overlay.active {
                display: block;
            }
            .main-content {
                margin-left: 0;
                width: 100%;
                padding-top: 56px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 32px 0;
            }
            .hero-image-wrap {
                clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
                aspect-ratio: 16 / 10;
                min-height: 240px;
                order: -1;
            }
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .hero-text .hero-desc {
                font-size: 0.9rem;
            }
            .hero-kpi-row {
                gap: 20px;
            }
            .hero-kpi .kpi-number {
                font-size: 1.4rem;
            }
            .cert-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .section-padding {
                padding: 44px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
            .section-container {
                padding: 0 18px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 22px;
                padding: 0 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
                padding: 16px 18px 0;
            }
            .cta-btn-row {
                flex-direction: column;
                align-items: center;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.9rem;
            }
            .feature-alt-row {
                gap: 24px;
            }
            .feature-alt-text h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.4rem;
            }
            .hero-kpi-row {
                gap: 14px;
            }
            .hero-kpi .kpi-number {
                font-size: 1.2rem;
            }
            .cert-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .card {
                padding: 20px 16px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .section-container {
                padding: 0 14px;
            }
            .hero-image-wrap {
                min-height: 200px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1B1B3A;
            --color-primary-light: #252550;
            --color-accent: #BF9B4E;
            --color-accent-light: #D4B76A;
            --color-accent-dark: #9A7B3A;
            --color-red: #D4343E;
            --color-red-light: #E8555E;
            --color-bg: #F9F8F6;
            --color-white: #FFFFFF;
            --color-card: #FFFFFF;
            --color-text: #1B1B3A;
            --color-text-secondary: #5A5A72;
            --color-text-muted: #8A8A9A;
            --color-border: #E5E3DE;
            --color-border-light: #F0EFEC;
            --color-success: #2D8B4E;
            --color-tag-bg: #FFF8EC;
            --color-dark-section: #111128;
            --color-dark-section-text: #E8E6E0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(27, 27, 58, 0.06);
            --shadow-md: 0 4px 16px rgba(27, 27, 58, 0.10);
            --shadow-lg: 0 8px 32px rgba(27, 27, 58, 0.14);
            --shadow-xl: 0 16px 48px rgba(27, 27, 58, 0.18);
            --shadow-accent: 0 4px 20px rgba(191, 155, 78, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --sidebar-width: 220px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
        }

        p {
            margin: 0 0 1rem;
            color: var(--color-text-secondary);
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #E8E6E0;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(27, 27, 58, 0.25);
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
        }

        .site-sidebar::-webkit-scrollbar {
            width: 5px;
        }

        .site-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .site-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 10px;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }

        .sidebar-logo {
            font-size: 1.5rem;
            font-weight: 800;
            font-family: var(--font-heading);
            letter-spacing: 0.04em;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1B1B3A;
            font-weight: 900;
            flex-shrink: 0;
        }

        .sidebar-tagline {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
            letter-spacing: 0.04em;
            font-weight: 400;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
        }

        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .sidebar-nav li a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
            border-left-color: rgba(191, 155, 78, 0.5);
        }

        .sidebar-nav li a.active {
            color: #FFFFFF;
            background: rgba(191, 155, 78, 0.18);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .sidebar-nav .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .sidebar-footer-cta {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }

        .sidebar-cta-btn {
            display: block;
            width: 100%;
            padding: 11px 16px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: #1B1B3A;
            font-weight: 700;
            font-size: 0.88rem;
            border-radius: var(--radius-md);
            text-align: center;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
        }

        .sidebar-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(191, 155, 78, 0.35);
            color: #1B1B3A;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            background: var(--color-bg);
            transition: margin-left var(--transition-slow);
        }

        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ============ BUTTONS ============ */
        .btn {
            display: inline-block;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            border: none;
            font-family: var(--font-body);
            line-height: 1.4;
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: #1B1B3A;
            box-shadow: var(--shadow-accent);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(191, 155, 78, 0.38);
            color: #1B1B3A;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #1B1B3A;
            transform: translateY(-2px);
        }

        .btn-white {
            background: var(--color-white);
            color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: var(--color-primary);
        }

        .btn-red {
            background: linear-gradient(135deg, var(--color-red), var(--color-red-light));
            color: #FFFFFF;
            box-shadow: 0 4px 16px rgba(212, 52, 62, 0.3);
        }

        .btn-red:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 52, 62, 0.4);
            color: #FFFFFF;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 15px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
            letter-spacing: 0.04em;
        }

        /* ============ BADGES & TAGS ============ */
        .badge {
            display: inline-block;
            padding: 5px 14px;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.03em;
            line-height: 1.5;
        }

        .badge-hot {
            background: #FDE8E8;
            color: var(--color-red);
        }

        .badge-new {
            background: #E8F5E9;
            color: var(--color-success);
        }

        .badge-accent {
            background: var(--color-tag-bg);
            color: var(--color-accent-dark);
        }

        .badge-popular {
            background: #FFF3E0;
            color: #E67E22;
        }

        /* ============ CARDS ============ */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-body {
            padding: 24px;
        }

        .card-header {
            padding: 20px 24px 0;
        }

        .card-footer {
            padding: 16px 24px;
            border-top: 1px solid var(--color-border-light);
        }

        /* ============ SECTION STYLES ============ */
        .section {
            padding: 60px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-lg {
            padding: 80px 0;
        }

        .section-dark {
            background: var(--color-dark-section);
            color: var(--color-dark-section-text);
        }

        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }

        .section-dark p {
            color: rgba(232, 230, 224, 0.8);
        }

        .section-accent-bg {
            background: linear-gradient(180deg, #FFFDF7 0%, #F9F8F6 100%);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            position: relative;
        }

        .section-title-sm {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            margin-bottom: 32px;
            max-width: 700px;
        }

        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 20px;
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            background: linear-gradient(170deg, #1B1B3A 0%, #252550 30%, #1B1B3A 70%, #111128 100%);
            color: #FFFFFF;
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(191, 155, 78, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(212, 52, 62, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 900;
            color: #FFFFFF;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .hero-text .hero-highlight {
            color: var(--color-accent-light);
            position: relative;
        }

        .hero-text .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 480px;
        }

        .hero-visual {
            display: flex;
            flex-direction: column;
            gap: 20px;
            align-items: center;
        }

        .progress-rings {
            display: flex;
            gap: 28px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .progress-ring-item {
            text-align: center;
            position: relative;
        }

        .progress-ring-svg {
            width: 100px;
            height: 100px;
            transform: rotate(-90deg);
        }

        .progress-ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.12);
            stroke-width: 8;
        }

        .progress-ring-fill {
            fill: none;
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 1.2s ease-out;
        }

        .progress-ring-fill.gold {
            stroke: var(--color-accent);
        }

        .progress-ring-fill.red {
            stroke: var(--color-red-light);
        }

        .progress-ring-fill.blue {
            stroke: #5B9BD5;
        }

        .progress-ring-label {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 1.2rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.02em;
        }

        .progress-ring-name {
            margin-top: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 0.03em;
        }

        .tier-preview-cards {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
            width: 100%;
        }

        .tier-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            text-align: center;
            min-width: 110px;
            flex: 1;
            max-width: 150px;
            transition: all var(--transition-base);
            backdrop-filter: blur(4px);
        }

        .tier-card:hover {
            background: rgba(255, 255, 255, 0.13);
            border-color: rgba(191, 155, 78, 0.5);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        .tier-card .tier-amount {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-accent-light);
            letter-spacing: 0.03em;
        }

        .tier-card .tier-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        .tier-card .tier-games {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
        }

        /* ============ GAME CARDS GRID ============ */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .game-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .game-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }

        .game-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .game-card:hover .game-card-img img {
            transform: scale(1.06);
        }

        .game-card-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
        }

        .game-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .game-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .game-card-body .game-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 10px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .game-card-body .game-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .game-card-body .game-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 14px;
        }

        .game-card-body .game-prize {
            font-weight: 700;
            color: var(--color-red);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }

        /* ============ PRIZE RANKING TABLE ============ */
        .prize-ranking {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .prize-rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .prize-rank-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateX(3px);
        }

        .prize-rank-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .prize-rank-num.top1 {
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #7B3F00;
            box-shadow: 0 3px 12px rgba(255, 165, 0, 0.35);
        }

        .prize-rank-num.top2 {
            background: linear-gradient(135deg, #C0C0C0, #A8A8A8);
            color: #3D3D3D;
            box-shadow: 0 3px 10px rgba(160, 160, 160, 0.3);
        }

        .prize-rank-num.top3 {
            background: linear-gradient(135deg, #CD7F32, #B8722D);
            color: #FFFFFF;
            box-shadow: 0 3px 10px rgba(184, 114, 45, 0.3);
        }

        .prize-rank-num.normal {
            background: #F0EFEC;
            color: var(--color-text-secondary);
        }

        .prize-rank-info {
            flex: 1;
            min-width: 0;
        }

        .prize-rank-name {
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
        }

        .prize-rank-detail {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .prize-rank-amount {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--color-red);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        /* ============ COMPARISON TABLE ============ */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--color-card);
            min-width: 700px;
        }

        .comparison-table thead th {
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 16px 18px;
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            text-align: center;
            white-space: nowrap;
        }

        .comparison-table tbody td {
            padding: 14px 18px;
            text-align: center;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            border-bottom: 1px solid var(--color-border-light);
        }

        .comparison-table tbody tr:hover {
            background: #FFFDF7;
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .game-name-cell {
            font-weight: 700;
            color: var(--color-text);
            text-align: left;
        }

        .comparison-table .highlight-cell {
            color: var(--color-red);
            font-weight: 700;
        }

        /* ============ FEATURE HIGHLIGHTS ============ */
        .feature-highlights {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }

        .feature-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.2rem;
            background: var(--color-tag-bg);
            color: var(--color-accent-dark);
        }

        .feature-text h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .feature-text p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ============ WINNER SHOWCASE ============ */
        .winner-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .winner-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition-base);
            backdrop-filter: blur(2px);
        }

        .winner-card:hover {
            background: rgba(255, 255, 255, 0.11);
            border-color: rgba(191, 155, 78, 0.4);
            transform: translateY(-3px);
        }

        .winner-card .winner-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            margin: 0 auto 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent-light);
        }

        .winner-card .winner-game {
            font-weight: 700;
            font-size: 0.9rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
        }

        .winner-card .winner-amount {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--color-accent-light);
            margin: 4px 0;
        }

        .winner-card .winner-date {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ============ TOOLS SECTION ============ */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .tool-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .tool-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        .tool-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: var(--color-tag-bg);
            color: var(--color-accent-dark);
        }

        .tool-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .tool-card p {
            font-size: 0.84rem;
            color: var(--color-text-muted);
            margin-bottom: 14px;
            line-height: 1.5;
        }

        /* ============ STEPS ============ */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            counter-reset: step;
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            counter-increment: step;
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: #1B1B3A;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .step-content p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: none;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .faq-question .faq-icon {
            font-size: 0.8rem;
            transition: transform var(--transition-base);
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ============ CTA BANNER ============ */
        .cta-banner {
            background: linear-gradient(135deg, #1B1B3A 0%, #252550 50%, #1B1B3A 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(191, 155, 78, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner h2 {
            color: #FFFFFF;
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.03em;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-primary);
            color: #E8E6E0;
            padding: 50px 40px 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
            max-width: 1100px;
            margin-left: auto;
            margin-right: auto;
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            color: #FFFFFF;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            max-width: 1100px;
            margin-left: auto;
            margin-right: auto;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ============ MOBILE NAV TOGGLE ============ */
        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 1100;
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            color: #FFFFFF;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            cursor: pointer;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
            pointer-events: none;
        }

        .sidebar-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .winner-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .content-container {
                padding: 0 24px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-highlights {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .site-sidebar {
                transform: translateX(-100%);
                box-shadow: none;
                width: 260px;
            }
            .site-sidebar.mobile-open {
                transform: translateX(0);
                box-shadow: 4px 0 24px rgba(27, 27, 58, 0.35);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .sidebar-overlay {
                display: block;
            }
            .hero-section {
                padding: 50px 0 50px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .games-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .winner-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .tools-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .content-container {
                padding: 0 18px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h2 {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .comparison-table-wrap {
                border-radius: var(--radius-md);
            }
            .progress-rings {
                gap: 16px;
            }
            .progress-ring-svg {
                width: 75px;
                height: 75px;
            }
            .tier-preview-cards {
                gap: 8px;
            }
            .tier-card {
                padding: 12px 14px;
                min-width: 80px;
            }
            .tier-card .tier-amount {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .hero-text .hero-subtitle {
                font-size: 0.9rem;
            }
            .games-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .winner-cards {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .feature-highlights {
                grid-template-columns: 1fr;
            }
            .prize-rank-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .prize-rank-amount {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .content-container {
                padding: 0 12px;
            }
            .progress-rings {
                gap: 10px;
            }
            .progress-ring-svg {
                width: 60px;
                height: 60px;
            }
            .progress-ring-name {
                font-size: 0.7rem;
            }
            .tier-preview-cards {
                flex-direction: column;
                align-items: center;
            }
            .tier-card {
                max-width: 100%;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .game-card-img {
                height: 140px;
            }
        }

        /* ============ ANIMATIONS ============ */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }

        /* pulse dot */
        .pulse-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse 2s infinite;
            margin-right: 6px;
        }

        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(45, 139, 78, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(45, 139, 78, 0);
            }
        }