/* roulang page: index */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: #14141F;
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-chrome: #CBD5E1;
            --border-subtle: rgba(148, 163, 184, 0.15);
            --border-glow: rgba(6, 182, 212, 0.4);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            background-color: var(--primary-bg);
            color: var(--text-silver);
            font-family: var(--font-body);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(7, 7, 13, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            transition: var(--transition-smooth);
        }

        .site-header .navbar {
            padding: 0;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
            white-space: normal;
            line-height: 1.2;
        }

        .navbar-nav .nav-link {
            color: var(--text-chrome);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-auth .btn-link {
            color: var(--text-chrome);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(163, 230, 53, 0.3);
            background: transparent;
        }

        .nav-auth .btn-link:hover {
            color: var(--accent-lime);
            border-color: var(--accent-lime);
        }

        .nav-auth .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 9px 22px;
            border-radius: var(--radius-sm);
            border: none;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-fast);
        }

        .nav-auth .btn-primary-custom:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.55);
            color: var(--primary-bg);
        }

        /* Mobile Nav */
        .navbar-toggler {
            border: none;
            color: var(--text-white);
            font-size: 1.4rem;
            padding: 6px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(180deg, rgba(7, 7, 13, 0.85) 0%, rgba(14, 14, 30, 0.9) 60%, var(--primary-bg) 100%), url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            min-height: 75vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: 80px;
            position: relative;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(6, 182, 212, 0.12);
            border: 1px solid rgba(6, 182, 212, 0.35);
            color: var(--accent-cyan);
            padding: 6px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.4px;
            margin-bottom: 24px;
        }

        .hero-content h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-lime) 50%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .search-box-wrapper {
            background: var(--card-bg);
            border-radius: 50px;
            padding: 6px;
            display: flex;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            max-width: 580px;
            margin: 0 auto 28px;
        }

        .search-box-wrapper input {
            flex: 1;
            background: transparent;
            border: none;
            color: var(--text-white);
            padding: 12px 20px;
            font-size: 0.95rem;
            outline: none;
        }

        .search-box-wrapper input::placeholder {
            color: var(--text-silver);
        }

        .search-box-wrapper button {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            border: none;
            color: var(--primary-bg);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 50px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            font-size: 1rem;
            box-shadow: var(--shadow-neon);
        }

        .btn-hero-outline {
            background: transparent;
            border: 1px solid var(--border-glow);
            color: var(--text-white);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
        }

        .btn-hero-outline:hover {
            background: rgba(6, 182, 212, 0.1);
            color: var(--text-white);
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            justify-content: center;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-lime);
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--text-silver);
        }

        /* Sections */
        .section-padding {
            padding: 80px 0;
        }

        .section-label {
            display: inline-block;
            background: rgba(163, 230, 53, 0.08);
            color: var(--accent-lime);
            padding: 5px 14px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .section-desc {
            color: var(--text-silver);
            font-size: 1rem;
            max-width: 680px;
            line-height: 1.7;
        }

        /* Category Grid */
        .category-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }

        .category-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-6px);
            box-shadow: 0 8px 32px rgba(6, 182, 212, 0.2);
        }

        .category-icon {
            font-size: 2.4rem;
            color: var(--accent-cyan);
            margin-bottom: 14px;
        }

        .category-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .category-card p {
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        .category-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent-pink);
            color: #FFF;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 50px;
        }

        /* Featured List */
        .featured-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .featured-card:hover {
            border-color: var(--border-glow);
            transform: scale(1.02);
            box-shadow: var(--shadow-cyan);
        }

        .featured-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .featured-body {
            padding: 20px;
        }

        .featured-body h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .featured-body p {
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        .tag {
            display: inline-block;
            background: rgba(163, 230, 53, 0.1);
            color: var(--accent-lime);
            padding: 3px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        /* Latest Updates */
        .updates-list .update-item {
            display: flex;
            gap: 18px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
            align-items: flex-start;
        }

        .update-thumb {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .update-info h5 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .update-info .update-meta {
            font-size: 0.75rem;
            color: var(--text-silver);
        }

        /* Ranking */
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--border-subtle);
        }

        .rank-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-cyan);
            min-width: 40px;
        }

        .rank-info h5 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

        .rank-info p {
            font-size: 0.8rem;
            color: var(--text-silver);
            margin: 0;
        }

        /* Resource Center */
        .resource-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            text-align: center;
            transition: var(--transition-smooth);
        }

        .resource-card:hover {
            border-color: var(--accent-lime);
            box-shadow: var(--shadow-neon);
        }

        .resource-icon {
            font-size: 2.2rem;
            color: var(--accent-lime);
            margin-bottom: 12px;
        }

        /* Article / News Section */
        .news-left .news-card {
            display: flex;
            gap: 18px;
            padding: 18px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            border: 1px solid var(--border-subtle);
        }

        .news-card img {
            width: 120px;
            height: 90px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .news-card h5 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .news-card .news-date {
            font-size: 0.72rem;
            color: var(--text-silver);
        }

        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--border-subtle);
            margin-bottom: 20px;
        }

        /* Stats Counter */
        .counter-grid .counter-item {
            text-align: center;
            padding: 24px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }

        .counter-item .counter-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
        }

        .counter-item .counter-label {
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1055;
            width: 56px;
            height: 56px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(12px);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            cursor: pointer;
            transition: var(--transition-smooth);
            animation: fabPulse 3s infinite;
        }

        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 20px rgba(6, 182, 212, 0.45); }
            50% { box-shadow: 0 0 32px rgba(163, 230, 53, 0.6); }
        }

        .fab-floating:hover {
            transform: scale(1.12);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 36px rgba(6, 182, 212, 0.7);
        }

        .fab-floating i {
            font-size: 1.5rem;
            color: var(--accent-cyan);
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 12px;
            height: 12px;
            background: var(--accent-pink);
            border-radius: 50%;
            border: 2px solid var(--primary-bg);
            animation: blink 1.2s infinite;
        }

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

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 24px;
            color: var(--text-silver);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            margin-bottom: 12px;
        }

        .footer-links a {
            display: block;
            color: var(--text-silver);
            font-size: 0.9rem;
            padding: 4px 0;
        }

        .footer-links a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 32px;
            padding-top: 20px;
            font-size: 0.85rem;
            text-align: center;
            color: var(--text-silver);
        }

        /* Buttons */
        .btn-gradient {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            border: none;
            border-radius: 50px;
            padding: 12px 28px;
        }

        .btn-gradient:hover {
            color: var(--primary-bg);
            box-shadow: var(--shadow-neon);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-collapse {
                background: rgba(7, 7, 13, 0.98);
                backdrop-filter: blur(16px);
                padding: 20px;
                border-radius: var(--radius-lg);
                margin-top: 12px;
            }
            .hero-stats {
                gap: 18px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card img {
                width: 100%;
                height: auto;
            }
        }

        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 1.9rem;
            }
            .hero-content p {
                font-size: 0.95rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .fab-floating {
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .search-box-wrapper {
                flex-direction: column;
                border-radius: var(--radius-md);
            }
            .search-box-wrapper input {
                width: 100%;
            }
            .search-box-wrapper button {
                width: 100%;
                border-radius: var(--radius-md);
                margin-top: 8px;
            }
            .hero-stats {
                gap: 12px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .ranking-item {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: #14141F;
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-chrome: #CBD5E1;
            --border-subtle: rgba(148, 163, 184, 0.15);
            --border-glow: rgba(6, 182, 212, 0.4);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }

        body {
            background-color: var(--primary-bg);
            color: var(--text-silver);
            font-family: var(--font-body);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
            margin-left: auto;
            margin-right: auto;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(7, 7, 13, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            transition: var(--transition-smooth);
        }

        .site-header .navbar {
            padding: 0;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
            white-space: normal;
            line-height: 1.2;
        }

        .navbar-nav .nav-link {
            color: var(--text-chrome);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-auth .btn-link {
            color: var(--text-chrome);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(163, 230, 53, 0.3);
            background: transparent;
        }

        .nav-auth .btn-link:hover {
            color: var(--accent-lime);
            border-color: var(--accent-lime);
        }

        .nav-auth .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 9px 22px;
            border-radius: var(--radius-sm);
            border: none;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-fast);
        }

        .nav-auth .btn-primary-custom:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.55);
            color: var(--primary-bg);
        }

        .navbar-toggler {
            border: none;
            color: var(--text-white);
            font-size: 1.4rem;
            padding: 6px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .article-banner {
            background: linear-gradient(180deg, rgba(7, 7, 13, 0.8) 0%, rgba(14, 14, 30, 0.85) 60%, var(--primary-bg) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            padding-top: 120px;
            padding-bottom: 60px;
            position: relative;
            border-bottom: 1px solid var(--border-subtle);
        }

        .breadcrumb-custom {
            background: transparent;
            padding: 0;
            margin-bottom: 24px;
            font-size: 0.9rem;
        }

        .breadcrumb-custom a {
            color: var(--accent-cyan);
            font-weight: 500;
        }

        .breadcrumb-custom a:hover {
            color: var(--accent-lime);
        }

        .breadcrumb-custom .separator {
            color: var(--text-silver);
            margin: 0 10px;
        }

        .breadcrumb-custom .current {
            color: var(--text-silver);
        }

        .article-banner h1 {
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-lime) 50%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-align: left;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.9rem;
            color: var(--text-silver);
            margin-top: 16px;
            text-align: left;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.04);
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid var(--border-subtle);
        }

        .article-meta i {
            color: var(--accent-cyan);
        }

        .article-main {
            padding-top: 60px;
            padding-bottom: 80px;
        }

        .article-content-wrapper {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }

        .article-content-wrapper h2 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.8rem;
            margin-top: 36px;
            margin-bottom: 16px;
            border-left: 4px solid var(--accent-cyan);
            padding-left: 16px;
        }

        .article-content-wrapper h3 {
            color: var(--text-white);
            font-weight: 650;
            font-size: 1.4rem;
            margin-top: 28px;
            margin-bottom: 12px;
        }

        .article-content-wrapper p {
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 18px;
            font-size: 1.05rem;
            text-align: left;
        }

        .article-content-wrapper ul,
        .article-content-wrapper ol {
            padding-left: 24px;
            margin-bottom: 20px;
            color: var(--text-chrome);
            text-align: left;
        }

        .article-content-wrapper li {
            margin-bottom: 8px;
        }

        .article-content-wrapper img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            border: 1px solid var(--border-subtle);
        }

        .article-content-wrapper blockquote {
            background: rgba(6, 182, 212, 0.05);
            border-left: 4px solid var(--accent-cyan);
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            margin: 28px 0;
            color: var(--text-chrome);
            font-style: italic;
        }

        .article-content-wrapper table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
        }

        .article-content-wrapper th {
            background: rgba(255,255,255,0.05);
            color: var(--text-white);
            padding: 14px;
            text-align: left;
            border-bottom: 2px solid var(--border-glow);
        }

        .article-content-wrapper td {
            padding: 12px 14px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-silver);
        }

        .article-cta-section {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 36px;
            margin-top: 48px;
            box-shadow: var(--shadow-cyan);
        }

        .article-cta-section h3 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .article-cta-section p {
            color: var(--text-silver);
            margin-bottom: 20px;
        }

        .article-cta-section .btn-cta {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 50px;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-fast);
            display: inline-block;
        }

        .article-cta-section .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(163, 230, 53, 0.6);
            color: var(--primary-bg);
        }

        .related-articles {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid var(--border-subtle);
        }

        .related-articles h2 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 28px;
            font-size: 1.8rem;
            text-align: left;
        }

        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition-smooth);
            height: 100%;
        }

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

        .related-card h4 {
            color: var(--text-white);
            font-weight: 650;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .related-card p {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }

        .related-card a {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        .related-card a:hover {
            color: var(--accent-lime);
        }

        .not-found-section {
            text-align: center;
            padding: 80px 20px;
        }

        .not-found-section i {
            font-size: 4rem;
            color: var(--text-silver);
            margin-bottom: 20px;
            display: block;
        }

        .not-found-section h2 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .not-found-section p {
            color: var(--text-silver);
            margin-bottom: 24px;
        }

        .not-found-section .btn-home {
            background: var(--accent-cyan);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 10px 28px;
            border-radius: 50px;
            display: inline-block;
            transition: var(--transition-fast);
        }

        .not-found-section .btn-home:hover {
            background: var(--accent-lime);
            transform: translateY(-2px);
        }

        .site-footer {
            background: var(--secondary-bg);
            padding: 48px 0 24px;
            border-top: 1px solid var(--border-subtle);
            margin-top: 60px;
        }

        .footer-logo {
            font-weight: 800;
            font-size: 1.5rem;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }

        .footer-links a {
            display: block;
            color: var(--text-silver);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        @media (max-width: 768px) {
            .article-content-wrapper {
                padding: 20px;
            }
            .article-banner h1 {
                font-size: 1.8rem;
            }
            .article-meta {
                gap: 10px;
            }
            .article-cta-section {
                padding: 24px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: #14141F;
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-chrome: #CBD5E1;
            --border-subtle: rgba(148, 163, 184, 0.15);
            --border-glow: rgba(6, 182, 212, 0.4);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }
        body {
            background-color: var(--primary-bg);
            color: var(--text-silver);
            font-family: var(--font-body);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
            margin-left: auto;
            margin-right: auto;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(7, 7, 13, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            transition: var(--transition-smooth);
        }
        .site-header .navbar {
            padding: 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
            white-space: normal;
            line-height: 1.2;
        }
        .navbar-nav .nav-link {
            color: var(--text-chrome);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-auth .btn-link {
            color: var(--text-chrome);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(163, 230, 53, 0.3);
            background: transparent;
        }
        .nav-auth .btn-link:hover {
            color: var(--accent-lime);
            border-color: var(--accent-lime);
        }
        .nav-auth .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 9px 22px;
            border-radius: var(--radius-sm);
            border: none;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-fast);
        }
        .nav-auth .btn-primary-custom:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.55);
            color: var(--primary-bg);
        }
        .navbar-toggler {
            border: none;
            color: var(--text-white);
            font-size: 1.4rem;
            padding: 6px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .page-hero {
            background: linear-gradient(180deg, rgba(7, 7, 13, 0.85) 0%, rgba(14, 14, 30, 0.9) 60%, var(--primary-bg) 100%), url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            min-height: 50vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: 60px;
            position: relative;
        }
        .page-hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .page-hero-badge {
            display: inline-block;
            background: rgba(6, 182, 212, 0.12);
            border: 1px solid rgba(6, 182, 212, 0.35);
            color: var(--accent-cyan);
            padding: 6px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.4px;
            margin-bottom: 24px;
        }
        .page-hero-content h1 {
            font-size: clamp(2rem, 4.5vw, 2.8rem);
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-lime) 50%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero-content p {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 650px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .hero-group-btn {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-neon-cyan {
            background: var(--accent-cyan);
            color: #000;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            box-shadow: 0 0 18px rgba(6, 182, 212, 0.5);
            transition: var(--transition-fast);
        }
        .btn-neon-cyan:hover {
            background: #22D3EE;
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.7);
            transform: translateY(-2px);
            color: #000;
        }
        .btn-neon-outline {
            background: transparent;
            color: var(--accent-lime);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            border: 2px solid var(--accent-lime);
            box-shadow: 0 0 12px rgba(163, 230, 53, 0.3);
            transition: var(--transition-fast);
        }
        .btn-neon-outline:hover {
            background: rgba(163, 230, 53, 0.1);
            box-shadow: 0 0 22px rgba(163, 230, 53, 0.55);
            color: var(--accent-lime);
        }
        .section-padding {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .section-subtitle {
            color: var(--text-silver);
            font-size: 1.05rem;
            margin-bottom: 40px;
            line-height: 1.65;
        }
        .card-cyber {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-cyber::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
            opacity: 0;
            transition: var(--transition-smooth);
        }
        .card-cyber:hover::before {
            opacity: 1;
        }
        .card-cyber:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(6, 182, 212, 0.2);
        }
        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(6, 182, 212, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.8rem;
            color: var(--accent-cyan);
        }
        .card-cyber h3 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 12px;
        }
        .card-cyber p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.65;
            margin: 0;
        }
        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .step-list li {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 16px;
            display: flex;
            align-items: flex-start;
            gap: 18px;
            transition: var(--transition-fast);
        }
        .step-list li:hover {
            border-color: var(--accent-cyan);
            background: rgba(6, 182, 212, 0.04);
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: #000;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .step-content h4 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-content p {
            color: var(--text-silver);
            margin: 0;
            font-size: 0.95rem;
        }
        .guide-image-block {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 12px;
            border: 1px solid var(--border-subtle);
        }
        .guide-image-block img {
            border-radius: var(--radius-md);
            width: 100%;
            height: auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 18px 24px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.65;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question {
            color: var(--accent-cyan);
        }
        .cta-banner {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08), rgba(6, 182, 212, 0.08));
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
        }
        .cta-banner h2 {
            color: var(--text-white);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-banner p {
            color: var(--text-silver);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 24px;
        }
        .footer-logo {
            font-weight: 800;
            font-size: 1.25rem;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }
        .footer-links a {
            display: block;
            color: var(--text-silver);
            font-size: 0.9rem;
            margin-bottom: 6px;
            transition: var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-lime);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-silver);
        }
        .post-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
            height: 100%;
        }
        .post-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
            box-shadow: 0 6px 22px rgba(6, 182, 212, 0.15);
        }
        .post-card-img {
            height: 180px;
            overflow: hidden;
            background: var(--secondary-bg);
        }
        .post-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .post-card-body {
            padding: 18px;
        }
        .post-card-body h5 a {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            line-height: 1.4;
        }
        .post-card-body h5 a:hover {
            color: var(--accent-cyan);
        }
        .post-card-meta {
            font-size: 0.8rem;
            color: var(--text-silver);
            margin-top: 8px;
        }
        .post-card-excerpt {
            color: var(--text-silver);
            font-size: 0.85rem;
            margin-top: 8px;
            line-height: 1.5;
        }
        .fab-cyber {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: var(--transition-fast);
            cursor: pointer;
        }
        .fab-cyber::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            z-index: -1;
            opacity: 0.7;
        }
        .fab-cyber:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.65);
            color: var(--accent-lime);
        }
        @media (max-width: 768px) {
            .page-hero {
                min-height: 40vh;
                padding-top: 80px;
                padding-bottom: 40px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .hero-group-btn {
                flex-direction: column;
                align-items: center;
            }
            .btn-neon-cyan,
            .btn-neon-outline {
                width: 100%;
                text-align: center;
                padding: 12px 24px;
            }
            .card-cyber {
                padding: 20px 16px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .step-list li {
                flex-direction: column;
                gap: 12px;
            }
            .fab-cyber {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                border-radius: 14px;
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 1.1rem;
            }
            .page-hero-content h1 {
                font-size: 1.8rem;
            }
            .page-hero-content p {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .post-card-img {
                height: 140px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: #14141F;
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-chrome: #CBD5E1;
            --border-subtle: rgba(148, 163, 184, 0.15);
            --border-glow: rgba(6, 182, 212, 0.4);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }
        body {
            background-color: var(--primary-bg);
            color: var(--text-silver);
            font-family: var(--font-body);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { text-decoration: none; color: inherit; transition: var(--transition-fast); }
        img { max-width: 100%; height: auto; }
        .container { max-width: 1200px; padding-left: 16px; padding-right: 16px; margin-left: auto; margin-right: auto; }
        
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(7, 7, 13, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            transition: var(--transition-smooth);
        }
        .site-header .navbar { padding: 0; }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
            white-space: normal;
            line-height: 1.2;
        }
        .navbar-nav .nav-link {
            color: var(--text-chrome);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-auth .btn-link {
            color: var(--text-chrome);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(163, 230, 53, 0.3);
            background: transparent;
        }
        .nav-auth .btn-link:hover {
            color: var(--accent-lime);
            border-color: var(--accent-lime);
        }
        .nav-auth .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 9px 22px;
            border-radius: var(--radius-sm);
            border: none;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-fast);
        }
        .nav-auth .btn-primary-custom:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.55);
            color: var(--primary-bg);
        }
        .navbar-toggler { border: none; color: var(--text-white); font-size: 1.4rem; padding: 6px; }
        .navbar-toggler:focus { box-shadow: none; }

        /* Hero */
        .hero-section {
            background: linear-gradient(180deg, rgba(7, 7, 13, 0.85) 0%, rgba(14, 14, 30, 0.9) 60%, var(--primary-bg) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            min-height: 65vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: 80px;
            position: relative;
        }
        .hero-content { max-width: 850px; margin: 0 auto; text-align: center; }
        .hero-badge {
            display: inline-block;
            background: rgba(6, 182, 212, 0.12);
            border: 1px solid rgba(6, 182, 212, 0.35);
            color: var(--accent-cyan);
            padding: 6px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.4px;
            margin-bottom: 24px;
        }
        .hero-content h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-lime) 50%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content p {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Buttons */
        .btn-glow {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 50px;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-fast);
            display: inline-block;
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(163, 230, 53, 0.6);
            color: var(--primary-bg);
        }
        .btn-outline-neon {
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-weight: 600;
            padding: 12px 32px;
            border-radius: 50px;
            background: transparent;
            transition: var(--transition-fast);
            display: inline-block;
        }
        .btn-outline-neon:hover {
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
        }

        /* Section */
        .section { padding: 80px 0; }
        .section-dark { background: var(--secondary-bg); }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .section-subtitle {
            color: var(--text-silver);
            font-size: 1.05rem;
            max-width: 700px;
            line-height: 1.6;
        }

        /* Strategy Cards */
        .strategy-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            height: 100%;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .strategy-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-glow);
            box-shadow: 0 8px 35px rgba(6, 182, 212, 0.2);
        }
        .strategy-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(6, 182, 212, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
        }
        .strategy-card h3 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .strategy-card p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        /* Step/Flow */
        .step-block {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border-left: 4px solid var(--accent-lime);
            margin-bottom: 20px;
            transition: var(--transition-fast);
        }
        .step-block:hover {
            background: rgba(163, 230, 53, 0.03);
        }
        .step-number {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .step-block h4 { color: var(--text-white); font-weight: 600; margin-bottom: 8px; }

        /* Testimonial */
        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 4rem;
            position: absolute;
            top: -15px;
            left: 20px;
            color: var(--accent-cyan);
            opacity: 0.5;
            font-family: serif;
        }
        .testimonial-text { font-style: italic; color: var(--text-chrome); margin-bottom: 12px; padding-top: 10px; }
        .testimonial-author { color: var(--accent-lime); font-weight: 600; }

        /* Blog List */
        .blog-item {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-smooth);
        }
        .blog-item:hover {
            transform: translateY(-4px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-cyan);
        }
        .blog-item img { width: 100%; height: 200px; object-fit: cover; }
        .blog-item-body { padding: 20px; }
        .blog-item-body h5 { color: var(--text-white); font-weight: 600; margin-bottom: 8px; }
        .blog-item-body .date { color: var(--accent-cyan); font-size: 0.8rem; margin-bottom: 8px; }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.05), rgba(6, 182, 212, 0.08));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
        }
        .cta-section h2 { color: var(--text-white); font-weight: 800; margin-bottom: 16px; }

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 20px;
            color: var(--text-silver);
        }
        .footer-logo { font-weight: 800; font-size: 1.3rem; color: var(--text-white); margin-bottom: 12px; }
        .footer-links a { display: block; color: var(--text-silver); font-size: 0.9rem; margin-bottom: 6px; transition: var(--transition-fast); }
        .footer-links a:hover { color: var(--accent-lime); }
        .footer-bottom { text-align: center; padding-top: 20px; margin-top: 20px; border-top: 1px solid var(--border-subtle); font-size: 0.8rem; }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-section { min-height: auto; padding-top: 120px; padding-bottom: 60px; }
            .section { padding: 50px 0; }
            .navbar-brand { font-size: 1.1rem; }
            .strategy-card { padding: 20px; }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: #14141F;
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-chrome: #CBD5E1;
            --border-subtle: rgba(148, 163, 184, 0.15);
            --border-glow: rgba(6, 182, 212, 0.4);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }
        body {
            background-color: var(--primary-bg);
            color: var(--text-silver);
            font-family: var(--font-body);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
            margin-left: auto;
            margin-right: auto;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(7, 7, 13, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            transition: var(--transition-smooth);
        }
        .site-header .navbar {
            padding: 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
            white-space: normal;
            line-height: 1.2;
        }
        .navbar-nav .nav-link {
            color: var(--text-chrome);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-auth .btn-link {
            color: var(--text-chrome);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(163, 230, 53, 0.3);
            background: transparent;
        }
        .nav-auth .btn-link:hover {
            color: var(--accent-lime);
            border-color: var(--accent-lime);
        }
        .nav-auth .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 9px 22px;
            border-radius: var(--radius-sm);
            border: none;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-fast);
        }
        .nav-auth .btn-primary-custom:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.55);
            color: var(--primary-bg);
        }
        .navbar-toggler {
            border: none;
            color: var(--text-white);
            font-size: 1.4rem;
            padding: 6px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .category-hero {
            background: linear-gradient(180deg, rgba(7, 7, 13, 0.88) 0%, rgba(14, 14, 30, 0.92) 60%, var(--primary-bg) 100%), url('/assets/images/backpic/back-6.jpg') center/cover no-repeat;
            min-height: 50vh;
            display: flex;
            align-items: center;
            padding-top: 120px;
            padding-bottom: 60px;
            position: relative;
        }
        .category-hero-content {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }
        .category-hero-content h1 {
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }
        .category-hero-content p {
            font-size: 1.05rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .btn-glow {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1rem;
            display: inline-block;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-smooth);
            border: none;
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(163, 230, 53, 0.6);
            color: var(--primary-bg);
        }
        .section-padding {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
            letter-spacing: -0.2px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-silver);
            margin-bottom: 40px;
        }
        .benefit-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition-smooth);
        }
        .benefit-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 8px 32px rgba(6, 182, 212, 0.15);
            transform: translateY(-3px);
        }
        .benefit-icon {
            font-size: 2.2rem;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .benefit-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .benefit-card p {
            font-size: 0.92rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin: 0;
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08), rgba(6, 182, 212, 0.08));
            border: 1px solid rgba(6, 182, 212, 0.25);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
        }
        .highlight-box h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .highlight-box p {
            color: var(--text-silver);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .highlight-box ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .highlight-box ul li {
            color: var(--text-chrome);
            padding: 6px 0 6px 28px;
            position: relative;
            font-size: 0.95rem;
        }
        .highlight-box ul li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 6px;
            color: var(--accent-lime);
        }
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            margin-top: 20px;
        }
        .stat-item {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            min-width: 160px;
            text-align: center;
            transition: var(--transition-smooth);
        }
        .stat-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 4px 20px rgba(6, 182, 212, 0.2);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-silver);
            margin-top: 4px;
        }
        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition-smooth);
        }
        .testimonial-card:hover {
            border-color: var(--accent-pink);
            box-shadow: 0 6px 28px rgba(244, 63, 94, 0.15);
        }
        .testimonial-text {
            font-style: italic;
            color: var(--text-chrome);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .testimonial-author {
            font-weight: 700;
            color: var(--text-white);
            font-size: 0.95rem;
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-silver);
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(6, 182, 212, 0.3);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-silver);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .community-cta {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
        }
        .community-cta h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .community-cta p {
            color: var(--text-silver);
            margin-bottom: 24px;
        }
        .event-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 12px;
            transition: var(--transition-smooth);
        }
        .event-card:hover {
            border-color: var(--accent-lime);
            transform: translateX(4px);
        }
        .event-date {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: var(--primary-bg);
            font-weight: 800;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            text-align: center;
            min-width: 70px;
        }
        .event-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }
        .event-info p {
            font-size: 0.85rem;
            color: var(--text-silver);
            margin: 0;
        }
        .content-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-smooth);
            height: 100%;
        }
        .content-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .content-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .content-card-body {
            padding: 20px;
        }
        .content-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .content-card-body p {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .content-card-meta {
            font-size: 0.78rem;
            color: var(--text-silver);
            display: flex;
            justify-content: space-between;
        }
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 24px;
            margin-top: 0;
        }
        .footer-logo {
            font-weight: 800;
            font-size: 1.3rem;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }
        .footer-links a {
            display: block;
            color: var(--text-silver);
            font-size: 0.88rem;
            margin-bottom: 6px;
            transition: var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-lime);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 32px;
            padding-top: 16px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-silver);
        }
        .fab-container {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1040;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: var(--transition-smooth);
            cursor: pointer;
        }
        .fab-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.65);
            color: var(--accent-lime);
            border-color: var(--accent-lime);
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 40px;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .event-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .fab-container {
                bottom: 80px;
                left: 12px;
            }
            .fab-btn {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: #14141F;
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-chrome: #CBD5E1;
            --border-subtle: rgba(148, 163, 184, 0.15);
            --border-glow: rgba(6, 182, 212, 0.4);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }
        body {
            background-color: var(--primary-bg);
            color: var(--text-silver);
            font-family: var(--font-body);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
            margin-left: auto;
            margin-right: auto;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(7, 7, 13, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            transition: var(--transition-smooth);
        }
        .site-header .navbar {
            padding: 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
            white-space: normal;
            line-height: 1.2;
        }
        .navbar-nav .nav-link {
            color: var(--text-chrome);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-auth .btn-link {
            color: var(--text-chrome);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(163, 230, 53, 0.3);
            background: transparent;
        }
        .nav-auth .btn-link:hover {
            color: var(--accent-lime);
            border-color: var(--accent-lime);
        }
        .nav-auth .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 9px 22px;
            border-radius: var(--radius-sm);
            border: none;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-fast);
        }
        .nav-auth .btn-primary-custom:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.55);
            color: var(--primary-bg);
        }
        .navbar-toggler {
            border: none;
            color: var(--text-white);
            font-size: 1.4rem;
            padding: 6px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .page-hero {
            background: linear-gradient(180deg, rgba(7, 7, 13, 0.9) 0%, rgba(14, 14, 30, 0.92) 60%, var(--primary-bg) 100%), url('/assets/images/backpic/back-7.jpg') center/cover no-repeat;
            min-height: 50vh;
            display: flex;
            align-items: center;
            padding-top: 120px;
            padding-bottom: 60px;
        }
        .page-hero-content {
            max-width: 800px;
            margin: 0 auto;
        }
        .page-hero h1 {
            font-family: var(--font-heading);
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-lime) 50%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .checklist-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 32px;
            justify-content: center;
            margin-top: 32px;
        }
        .checklist-trust span {
            color: var(--accent-lime);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .checklist-trust span i {
            margin-right: 6px;
        }
        .section {
            padding: 70px 0;
        }
        .section-label {
            display: inline-block;
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid rgba(163, 230, 53, 0.25);
            color: var(--accent-lime);
            padding: 5px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .section h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .section p.lead {
            color: var(--text-silver);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 700px;
        }
        .promo-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .promo-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
            transform: translateY(-4px);
        }
        .promo-card .icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(163, 230, 53, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-lime);
            margin-bottom: 16px;
        }
        .promo-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .promo-card p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .promo-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-pink);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }
        .promo-highlight {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.07), rgba(6, 182, 212, 0.07));
            border: 1px solid rgba(6, 182, 212, 0.3);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 20px;
        }
        .promo-highlight .big-number {
            font-size: 3.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }
        .btn-glow {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 50px;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-fast);
            font-size: 0.95rem;
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(163, 230, 53, 0.6);
            color: var(--primary-bg);
        }
        .btn-outline-glow {
            display: inline-block;
            background: transparent;
            color: var(--accent-lime);
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 50px;
            border: 1px solid rgba(163, 230, 53, 0.4);
            transition: var(--transition-fast);
            font-size: 0.9rem;
        }
        .btn-outline-glow:hover {
            background: rgba(163, 230, 53, 0.08);
            border-color: var(--accent-lime);
            color: var(--accent-lime);
        }
        .vip-table-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .vip-table-row:last-child {
            border-bottom: none;
        }
        .vip-level {
            font-weight: 700;
            color: var(--text-white);
            min-width: 80px;
        }
        .vip-benefit {
            color: var(--text-silver);
            flex: 1;
            margin-left: 20px;
        }
        .cta-banner {
            background: var(--card-bg);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
        }
        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-banner p {
            color: var(--text-silver);
            margin-bottom: 24px;
            font-size: 1rem;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 24px;
            margin-top: 0;
        }
        .footer-logo {
            font-weight: 800;
            font-size: 1.3rem;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }
        .footer-links a {
            display: block;
            color: var(--text-silver);
            font-size: 0.85rem;
            margin-bottom: 6px;
            transition: var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 16px;
            margin-top: 32px;
            font-size: 0.8rem;
            color: var(--text-silver);
            text-align: center;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }
        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
        }
        .news-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
            transform: translateY(-2px);
        }
        .news-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .news-card-body {
            padding: 20px;
        }
        .news-card-body .time {
            font-size: 0.75rem;
            color: var(--accent-cyan);
            margin-bottom: 6px;
        }
        .news-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .news-card-body p {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.5;
        }
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            transition: var(--transition-smooth);
            opacity: 0.8;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.7);
        }
        @media (max-width: 992px) {
            .navbar-brand {
                font-size: 1.1rem;
            }
            .nav-auth {
                margin-top: 12px;
            }
            .page-hero {
                min-height: 40vh;
                padding-top: 100px;
            }
            .promo-highlight .big-number {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .checklist-trust {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .section {
                padding: 48px 0;
            }
            .cta-banner {
                padding: 32px 20px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}