/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --border-radius: 12px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-main: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
        }

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

        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 2px solid rgba(255, 215, 0, 0.3);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            height: 70px;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold), #FFA000);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            letter-spacing: -0.5px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .logo:hover {
            filter: brightness(1.2);
        }

        .nav-primary {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-primary li a {
            display: block;
            padding: 10px 18px;
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 30px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-primary li a:hover,
        .nav-primary li a.active {
            background: var(--accent-gold);
            color: var(--text-dark);
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-login:hover {
            background: var(--accent-gold);
            color: var(--text-dark);
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
        }

        .btn-signup {
            background: var(--accent-red);
            border: none;
            color: var(--text-white);
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(211, 47, 47, 0.5);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-signup:hover {
            background: #B71C1C;
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.7);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            .nav-primary {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(12px);
                padding: 20px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
                border-bottom: 2px solid var(--accent-gold);
            }

            .nav-primary.show {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .header-actions {
                gap: 6px;
            }

            .btn-login, .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 1rem;
            }
            .btn-login, .btn-signup {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
        }

        /* Hero */
        .hero {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, #092B18 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent-red);
            color: var(--text-white);
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 20px;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.4);
        }

        .hero-icon-grid {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-icon-item {
            width: 60px;
            height: 60px;
            background: rgba(255, 215, 0, 0.15);
            border: 2px solid var(--accent-gold);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent-gold);
            transition: var(--transition);
        }

        .hero-icon-item:hover {
            transform: translateY(-4px);
            background: rgba(255, 215, 0, 0.3);
            box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            text-align: center;
            margin-bottom: 18px;
            line-height: 1.25;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-mint);
            text-align: center;
            max-width: 700px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .hero-status-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 30px;
            padding: 10px 28px;
            max-width: 600px;
            margin: 0 auto 28px;
        }

        .status-dot {
            width: 10px;
            height: 10px;
            background: #00E676;
            border-radius: 50%;
            animation: pulse-dot 1.8s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        .hero-status-text {
            font-weight: 700;
            color: var(--text-mint);
            font-size: 0.95rem;
        }

        .hero-cta-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: var(--text-dark);
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 1.05rem;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: #FFC107;
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.7);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 12px 34px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn-outline:hover {
            background: var(--accent-gold);
            color: var(--text-dark);
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-icon-grid {
                gap: 14px;
            }
            .hero-icon-item {
                width: 50px;
                height: 50px;
                font-size: 1.5rem;
            }
        }

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

        /* Sections General */
        .section {
            padding: 60px 0;
            position: relative;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
            text-align: left;
            position: relative;
            padding-left: 18px;
            border-left: 5px solid var(--accent-red);
        }

        .section-desc {
            color: var(--text-mint);
            font-size: 1.05rem;
            margin-bottom: 36px;
            max-width: 650px;
            line-height: 1.6;
        }

        /* Collection Directory (合集目录) */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }

        .collection-card {
            background: var(--bg-secondary);
            border-radius: var(--border-radius);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(255, 215, 0, 0.2);
            transition: var(--transition);
            text-decoration: none;
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .collection-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-gold);
        }

        .collection-icon {
            font-size: 2.4rem;
            color: var(--accent-gold);
        }

        .collection-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 0;
        }

        .collection-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            margin: 0;
            line-height: 1.5;
        }

        .collection-tag {
            display: inline-block;
            background: var(--accent-red);
            color: var(--text-white);
            padding: 3px 12px;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 700;
            align-self: flex-start;
        }

        /* Related Recommendations */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .rec-card {
            background: var(--bg-secondary);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid rgba(255, 215, 0, 0.15);
        }

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

        .rec-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

        .rec-card-body {
            padding: 20px;
        }

        .rec-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 0 0 8px;
        }

        .rec-card-body p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.5;
            margin: 0;
        }

        .rec-tag {
            display: inline-block;
            background: rgba(211, 47, 47, 0.25);
            color: var(--accent-red);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        /* News / Latest Updates (资讯) */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
        }

        .news-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-list li {
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .news-list li a {
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            transition: var(--transition);
            flex-wrap: wrap;
            gap: 6px;
        }

        .news-list li a:hover {
            color: var(--accent-gold);
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--accent-gold);
            white-space: nowrap;
            opacity: 0.8;
        }

        .news-sidebar {
            background: var(--bg-secondary);
            border-radius: var(--border-radius);
            padding: 24px;
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .news-sidebar h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .news-sidebar-item {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }

        .news-sidebar-item a {
            color: var(--text-mint);
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .news-sidebar-item a:hover {
            color: var(--accent-gold);
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        /* Save & Share */
        .save-share-bar {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            background: var(--bg-secondary);
            border-radius: var(--border-radius);
            padding: 24px 32px;
            border: 1px solid rgba(255, 215, 0, 0.25);
            margin-top: 16px;
        }

        .save-share-bar span {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 1.05rem;
        }

        .share-btn {
            background: rgba(255, 215, 0, 0.15);
            border: none;
            color: var(--accent-gold);
            padding: 8px 18px;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .share-btn:hover {
            background: var(--accent-gold);
            color: var(--text-dark);
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg-secondary);
            border-radius: var(--border-radius);
            padding: 24px;
            border: 1px solid rgba(255, 215, 0, 0.2);
            transition: var(--transition);
        }

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

        .faq-item h3 {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .faq-item p {
            color: var(--text-mint);
            margin: 0;
            line-height: 1.6;
        }

        /* Additional Sections */
        .kpi-widgets {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .kpi-card {
            background: var(--bg-secondary);
            border-radius: var(--border-radius);
            padding: 24px;
            text-align: center;
            border: 1px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
        }

        .kpi-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .kpi-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-gold);
        }

        .kpi-label {
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-top: 6px;
        }

        .progress-checklist {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .progress-checklist li {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--bg-secondary);
            padding: 14px 20px;
            border-radius: 12px;
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .check-icon {
            color: #00E676;
            font-size: 1.4rem;
        }

        /* Footer */
        .site-footer {
            background: #061A0F;
            padding: 40px 0;
            border-top: 3px solid var(--accent-gold);
            color: var(--text-mint);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
        }

        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

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

        .footer-col ul li a {
            color: var(--text-mint);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            text-align: center;
            margin-top: 24px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            color: rgba(209, 242, 235, 0.7);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: var(--bg-secondary);
            border: 3px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            transition: var(--transition);
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }

        .fab-left .badge-dot {
            position: absolute;
            top: 4px;
            right: 8px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            animation: blink 1s infinite;
        }

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

/* roulang page: category1 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-card: #1A1A1E;
            --accent-bronze: #C5A059;
            --accent-amber: #FFBF00;
            --accent-gold: #D4AC0D;
            --text-white: #F5F5F7;
            --text-muted: #A6A0A0;
            --text-gold: #D4AC0D;
            --border-dark: #2C2C2E;
            --border-bronze: #C5A059;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.5);
            --shadow-bronze: 0 4px 20px rgba(197,160,89,0.15);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4, h5 { color: var(--text-white); font-weight: 700; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-bottom: 1rem; }
        h2 { font-size: 2rem; margin-bottom: 1.5rem; }
        h3 { font-size: 1.5rem; margin-bottom: 0.8rem; }
        p { color: var(--text-muted); margin-bottom: 1rem; }

        /* Header & Navigation */
        .site-header {
            background: rgba(28,28,30,0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-amber);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .logo-brand i { margin-right: 8px; color: var(--accent-bronze); }
        .nav-primary {
            display: flex;
            list-style: none;
            gap: 8px;
            align-items: center;
        }
        .nav-primary li a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-primary li a:hover,
        .nav-primary li a.active {
            color: var(--accent-amber);
            background: rgba(197,160,89,0.1);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px;
        }
        @media (max-width: 768px) {
            .mobile-toggle { display: block; }
            .nav-primary {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(28,28,30,0.98);
                border-bottom: 1px solid var(--border-dark);
                padding: 16px 20px;
                gap: 4px;
            }
            .nav-primary.mobile-open { display: flex; }
            .nav-primary li a { width: 100%; text-align: center; }
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, #1C1C1E 0%, #121212 100%);
            border-bottom: 1px solid var(--border-bronze);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(197,160,89,0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-content { position: relative; z-index: 1; max-width: 700px; }
        .hero-badge {
            display: inline-block;
            background: var(--accent-bronze);
            color: #121212;
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .hero-content h1 { font-size: 2.4rem; margin-bottom: 0.8rem; color: var(--text-white); }
        .hero-content p { font-size: 1.1rem; color: var(--text-muted); max-width: 550px; }

        /* Stats Ticker */
        .stats-ticker {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
            padding: 20px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-amber);
            line-height: 1;
        }
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
            .stat-item .stat-number { font-size: 1.8rem; }
        }

        /* Section Common */
        section { padding: 60px 0; }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--text-white);
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
            max-width: 600px;
        }

        /* VIP Code Cards */
        .vip-code-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }
        .vip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .vip-card:hover {
            border-color: var(--accent-bronze);
            box-shadow: var(--shadow-bronze);
            transform: translateY(-2px);
        }
        .vip-card .vip-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-amber);
            color: #121212;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 12px;
            letter-spacing: 0.5px;
        }
        .vip-card .code-value {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-amber);
            margin-bottom: 8px;
            line-height: 1;
        }
        .vip-card h3 { margin-bottom: 6px; }
        .vip-card .code-details {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .btn-copy {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-bronze);
            color: #121212;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 24px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-size: 0.95rem;
        }
        .btn-copy:hover { background: var(--accent-amber); transform: scale(1.03); }
        .btn-copy:active { transform: scale(0.97); }

        /* Event Timeline */
        .event-timeline {
            position: relative;
            padding-left: 40px;
            border-left: 2px solid var(--border-bronze);
        }
        .event-item {
            margin-bottom: 32px;
            position: relative;
        }
        .event-item::before {
            content: '';
            position: absolute;
            left: -48px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--accent-bronze);
            border-radius: 50%;
            border: 3px solid var(--bg-primary);
        }
        .event-date {
            font-size: 0.8rem;
            color: var(--accent-amber);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .event-title { font-size: 1.2rem; font-weight: 700; margin: 4px 0; }
        .event-desc { color: var(--text-muted); font-size: 0.92rem; }

        /* How It Works */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .step-block {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 18px;
            border: 1px solid var(--border-dark);
            transition: var(--transition);
        }
        .step-block:hover { border-color: var(--accent-bronze); }
        .step-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-bronze);
            line-height: 1;
            margin-bottom: 10px;
        }
        .step-block h4 { font-size: 1.05rem; margin-bottom: 6px; }
        .step-block p { font-size: 0.85rem; color: var(--text-muted); }
        @media (max-width: 768px) { .steps-flow { grid-template-columns: 1fr 1fr; } }

        /* FAQ */
        .faq-list { max-width: 800px; }
        .faq-item {
            border-bottom: 1px solid var(--border-dark);
            padding: 18px 0;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-white);
        }
        .faq-answer {
            color: var(--text-muted);
            padding-top: 10px;
            display: none;
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer { display: block; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-question i { transition: var(--transition); color: var(--accent-bronze); }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1C1C1E 0%, #2a2015 100%);
            border: 1px solid var(--border-bronze);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            margin: 40px 0;
        }
        .cta-section h2 { margin-bottom: 10px; }
        .btn-primary-cta {
            display: inline-block;
            background: var(--accent-amber);
            color: #121212;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 14px 40px;
            border-radius: 30px;
            transition: var(--transition);
            margin-top: 16px;
        }
        .btn-primary-cta:hover { background: #e0a800; transform: scale(1.04); box-shadow: 0 6px 24px rgba(255,191,0,0.3); }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 { color: var(--accent-amber); font-size: 1.1rem; margin-bottom: 14px; }
        .footer-col p, .footer-col li { color: var(--text-muted); font-size: 0.9rem; list-style: none; margin-bottom: 6px; }
        .footer-col a { color: var(--text-muted); }
        .footer-col a:hover { color: var(--accent-amber); }
        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            section { padding: 40px 0; }
            .hero-content h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #1B4A2E;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A8D5BA;
            --border-gold: #C5A059;
            --shadow-gold: rgba(255, 215, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --transition-base: all 0.25s ease;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            overflow-x: hidden;
        }

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

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: #FFE55C;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        .container-narrow {
            max-width: 820px;
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(197, 160, 89, 0.25);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: var(--spacing-xs) 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
        }

        .logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
            line-height: 1.2;
        }

        .logo i {
            margin-right: 8px;
            color: var(--accent-red);
        }

        .nav-primary {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: var(--spacing-xs);
            flex-wrap: wrap;
        }

        .nav-primary a {
            display: block;
            padding: 8px 16px;
            border-radius: 50px;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: var(--transition-base);
            text-decoration: none;
        }

        .nav-primary a:hover,
        .nav-primary a.active {
            background: var(--accent-gold);
            color: var(--bg-primary);
            box-shadow: 0 2px 12px var(--shadow-gold);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .btn-login {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
        }

        .btn-signup {
            background: var(--accent-red);
            color: #fff;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.45);
        }

        .btn-signup:hover {
            background: #E53935;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(211, 47, 47, 0.6);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Article Hero */
        .article-hero {
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            position: relative;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            border-bottom: 3px solid var(--border-gold);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.8) 0%, rgba(10, 46, 28, 0.94) 100%);
        }

        .article-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
            text-align: left;
            padding: 0 var(--spacing-md);
        }

        .article-category-tag {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
        }

        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-md);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        /* Article Body */
        .article-body-section {
            padding: var(--spacing-lg) 0;
        }

        .article-content-wrap {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(197, 160, 89, 0.15);
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 1.05rem;
        }

        .article-content-wrap h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            border-left: 5px solid var(--accent-red);
            padding-left: var(--spacing-sm);
        }

        .article-content-wrap h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #F0E68C;
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-xs);
        }

        .article-content-wrap p {
            margin-bottom: var(--spacing-sm);
        }

        .article-content-wrap ul,
        .article-content-wrap ol {
            margin-bottom: var(--spacing-sm);
            padding-left: var(--spacing-md);
        }

        .article-content-wrap li {
            margin-bottom: 6px;
        }

        .article-content-wrap img {
            border-radius: var(--radius-md);
            margin: var(--spacing-md) 0;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
            border: 2px solid rgba(197, 160, 89, 0.2);
        }

        .article-content-wrap blockquote {
            background: rgba(255, 215, 0, 0.06);
            border-left: 4px solid var(--accent-gold);
            padding: var(--spacing-sm) var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: #E8D5A3;
        }

        .not-found-container {
            text-align: center;
            padding: var(--spacing-xl) 0;
        }

        .not-found-container i {
            font-size: 4rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-md);
            display: block;
        }

        .not-found-container h2 {
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }

        /* Sidebar CTA Card */
        .sidebar-cta-card {
            background: linear-gradient(145deg, var(--bg-card), #0F3B22);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            margin-top: var(--spacing-lg);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
            text-align: center;
        }

        .sidebar-cta-card img {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            border: 2px solid rgba(255, 215, 0, 0.3);
        }

        .sidebar-cta-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .sidebar-cta-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: var(--spacing-sm);
        }

        .btn-gold-full {
            display: block;
            width: 100%;
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 12px;
            border-radius: 50px;
            font-weight: 800;
            text-align: center;
            box-shadow: 0 4px 14px var(--shadow-gold);
            text-decoration: none;
        }

        .btn-gold-full:hover {
            background: #FFE55C;
            transform: translateY(-2px);
            color: #000;
        }

        /* Floating Action Button */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 40px;
            z-index: 99;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #C5A059, #8B6914);
            border-radius: 50%;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.55);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid #FFD700;
            animation: floatCoin 3s infinite ease-in-out;
        }

        .fab-left i {
            color: #0A2E1C;
            font-size: 1.6rem;
        }

        .fab-left:hover {
            transform: scale(1.15);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.75);
        }

        @keyframes floatCoin {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }

        /* Footer */
        .site-footer {
            background: #0B2518;
            border-top: 3px solid var(--border-gold);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: var(--spacing-lg);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            color: var(--accent-gold);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            border-bottom: 1px solid rgba(197, 160, 89, 0.3);
            padding-bottom: 6px;
        }

        .footer-col p,
        .footer-col ul {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

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

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-hero h1 {
                font-size: 2rem;
            }

            .article-content-wrap {
                padding: var(--spacing-md);
            }

            .nav-primary a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }

            .header-inner {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 768px) {
            .nav-primary {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--bg-secondary);
                border-radius: var(--radius-md);
                padding: var(--spacing-sm);
                margin-top: var(--spacing-xs);
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.6);
            }

            .nav-primary.show {
                display: flex;
            }

            .nav-primary a {
                border-radius: 6px;
            }

            .mobile-toggle {
                display: block;
            }

            .header-actions .btn-login,
            .header-actions .btn-signup {
                display: inline-block;
            }

            .article-hero h1 {
                font-size: 1.8rem;
            }

            .article-content-wrap {
                padding: var(--spacing-sm);
                font-size: 0.95rem;
            }

            .container {
                padding-left: var(--spacing-sm);
                padding-right: var(--spacing-sm);
            }

            .fab-left {
                width: 48px;
                height: 48px;
                left: 10px;
                bottom: 30px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFB300 100%);
            --gradient-dark: linear-gradient(180deg, #0A2E1C 0%, #062315 100%);
            --border-radius-sm: 8px;
            --border-radius-md: 16px;
            --border-radius-lg: 24px;
            --shadow-gold: 0 8px 24px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.3);
            --transition-base: all 0.25s ease-in-out;
            --font-heading: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', Roboto, system-ui, sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: #FFE55C;
            text-decoration: none;
        }

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.25);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0,0,0,0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
        }

        .logo {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .logo i {
            font-size: 1.8rem;
            color: var(--accent-gold);
        }

        .nav-primary {
            list-style: none;
            display: flex;
            gap: 1.8rem;
            margin: 0;
        }

        .nav-primary li a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
        }

        .nav-primary li a.active,
        .nav-primary li a:hover {
            color: var(--accent-gold);
        }

        .nav-primary li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.2s ease;
        }

        .nav-primary li a.active::after,
        .nav-primary li a:hover::after {
            width: 100%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--text-mint);
            color: var(--text-mint);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--gradient-gold);
            border: none;
            color: var(--text-dark);
            padding: 8px 22px;
            border-radius: 20px;
            font-weight: 700;
            box-shadow: 0 4px 10px rgba(255,215,0,0.3);
            transition: var(--transition-base);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(255,215,0,0.45);
            color: #000;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-inner {
            background: var(--gradient-dark);
            border-radius: var(--border-radius-lg);
            padding: 3.5rem 2.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2.5rem;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid rgba(255,215,0,0.15);
        }

        .hero-content {
            flex: 1 1 45%;
        }
        .hero-content h1 {
            font-size: 2.6rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero-content p {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 1.8rem;
        }
        .hero-visual {
            flex: 1 1 45%;
            background: rgba(255,215,0,0.08);
            border-radius: var(--border-radius-md);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .hero-visual img {
            border-radius: 12px;
            margin-bottom: 1rem;
        }
        .badge-vip {
            background: var(--accent-red);
            color: white;
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            display: inline-block;
            margin-top: 0.5rem;
        }

        .btn-primary-gold {
            background: var(--gradient-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 30px;
            display: inline-block;
            font-size: 1rem;
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(255,215,0,0.4);
        }
        .btn-primary-gold:hover {
            background: #FFE55C;
            color: #000;
            transform: scale(1.02);
        }

        /* Metrics row */
        .metrics-row {
            display: flex;
            gap: 2rem;
            background: rgba(18, 62, 37, 0.65);
            border-radius: var(--border-radius-md);
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            flex-wrap: wrap;
            justify-content: space-around;
            border: 1px solid rgba(255,215,0,0.2);
        }
        .metric-item {
            text-align: center;
        }
        .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .metric-label {
            color: var(--text-mint);
            font-size: 0.9rem;
        }

        /* Service Matrix */
        .section-title {
            font-size: 2rem;
            margin: 2.5rem 0 1.5rem;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title i {
            font-size: 2rem;
        }

        .grid-matrix {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.8rem;
        }

        .matrix-card {
            background: var(--secondary-bg);
            border-radius: var(--border-radius-md);
            padding: 1.8rem 1.5rem;
            border: 1px solid rgba(255,215,0,0.25);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .matrix-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .matrix-card i {
            font-size: 2.2rem;
            color: var(--accent-gold);
        }
        .matrix-card h3 {
            font-size: 1.3rem;
            color: #fff;
        }
        .matrix-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
        }
        .tag-hot {
            background: var(--accent-red);
            color: white;
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: 12px;
            font-weight: 700;
            align-self: flex-start;
        }

        /* Comparison Table */
        .compare-table {
            width: 100%;
            background: var(--secondary-bg);
            border-radius: var(--border-radius-md);
            overflow: hidden;
            margin: 1.8rem 0;
            border-collapse: collapse;
        }
        .compare-table th {
            background: rgba(255,215,0,0.15);
            color: var(--accent-gold);
            padding: 16px;
            text-align: left;
        }
        .compare-table td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            color: var(--text-mint);
        }
        .highlight-row {
            background: rgba(255,215,0,0.08);
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin: 2rem 0;
        }
        .faq-item {
            background: var(--secondary-bg);
            border-radius: var(--border-radius-sm);
            padding: 1.2rem 1.5rem;
            border-left: 4px solid var(--accent-gold);
        }
        .faq-question {
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.4rem;
        }
        .faq-answer {
            color: var(--text-mint);
        }

        /* CTA */
        .cta-block {
            background: var(--gradient-dark);
            border-radius: var(--border-radius-lg);
            padding: 2.8rem 2rem;
            text-align: left;
            margin: 3rem 0;
            border: 1px solid var(--accent-gold);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

        /* Footer */
        .site-footer {
            background: #051A0E;
            padding: 3rem 0 1.5rem;
            border-top: 2px solid var(--accent-gold);
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            color: var(--text-mint);
            margin-bottom: 0.5rem;
        }
        .footer-bottom {
            text-align: center;
            color: var(--text-mint);
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
        }

        /* FAB LEFT - Option Royal */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 90;
            width: 52px;
            height: 52px;
            background: radial-gradient(circle at 30% 30%, #2E2E2E, #0A0A0A);
            border-radius: 50%;
            border: 2px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255,215,0,0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFD700;
            font-size: 1.5rem;
            animation: floatFab 3s infinite ease-in-out;
            transition: all 0.3s;
            opacity: 0.75;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(255,215,0,0.7);
        }
        @keyframes floatFab {
            0%{transform:translateY(0);} 50%{transform:translateY(-6px);} 100%{transform:translateY(0);}
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content h1 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-primary {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #0A2E1C;
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 2px solid var(--accent-gold);
            }
            .nav-primary.active-mobile {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-inner {
                flex-direction: column;
                padding: 2rem 1.5rem;
            }
            .cta-block {
                flex-direction: column;
                text-align: center;
                gap: 1.2rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-light: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --border-radius: 12px;
            --box-shadow: 0 8px 24px rgba(0,0,0,0.25);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
        }

        *, *::before, *::after { box-sizing: border-box; }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-light);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; margin-top: 0; }
        a { text-decoration: none; color: var(--accent-gold); transition: color 0.2s; }
        a:hover { color: #FFE55C; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        /* Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.4);
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; padding: 12px 20px; }
        .logo { font-size: 1.4rem; font-weight: 800; color: var(--accent-gold); letter-spacing: -0.3px; }
        .logo i { color: var(--accent-gold); margin-right: 6px; font-size: 1.5rem; }
        .nav-primary { list-style: none; display: flex; gap: 24px; margin: 0; padding: 0; align-items: center; }
        .nav-primary li a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }
        .nav-primary li a:hover, .nav-primary li a.active { color: var(--accent-gold); border-bottom-color: var(--accent-gold); }
        .nav-actions { display: flex; gap: 12px; align-items: center; }
        .btn-login { background: transparent; color: var(--text-mint); border: 1px solid rgba(255,215,0,0.5); padding: 8px 18px; border-radius: 20px; font-weight: 600; cursor: pointer; transition: all 0.2s; font-size: 0.9rem; }
        .btn-login:hover { border-color: var(--accent-gold); color: var(--accent-gold); }
        .btn-signup { background: var(--accent-red); color: #fff; border: none; padding: 9px 22px; border-radius: 20px; font-weight: 700; cursor: pointer; transition: all 0.2s; box-shadow: 0 4px 12px rgba(211,47,47,0.4); font-size: 0.9rem; }
        .btn-signup:hover { background: #e53935; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(211,47,47,0.6); }
        .mobile-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer; }

        /* Hero Section */
        .page-hero {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, #0B3A24 100%);
            padding: 60px 0 50px;
            text-align: left;
            border-bottom: 3px solid var(--accent-gold);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before { content: ''; position: absolute; top: 0; right: 0; width: 300px; height: 100%; background: radial-gradient(circle, rgba(255,215,0,0.15) 0%, transparent 70%); }
        .hero-content { position: relative; z-index: 2; }
        .hero-badge { display: inline-block; background: var(--accent-red); color: #fff; padding: 6px 18px; border-radius: 20px; font-weight: 700; font-size: 0.9rem; margin-bottom: 16px; }
        .page-hero h1 { font-size: 2.4rem; color: var(--accent-gold); margin-bottom: 12px; line-height: 1.2; }
        .hero-sub { font-size: 1.1rem; color: var(--text-mint); margin-bottom: 24px; max-width: 650px; }
        .hero-stats { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 20px; }
        .stat-item { background: rgba(0,0,0,0.3); padding: 12px 24px; border-radius: 30px; border: 1px solid rgba(255,215,0,0.4); display: flex; align-items: center; gap: 8px; }
        .stat-item i { color: var(--accent-gold); font-size: 1.2rem; }
        .stat-item span { font-weight: 700; color: #fff; }

        /* Content Sections */
        .section { padding: 60px 0; }
        .section-title { font-size: 2rem; color: var(--accent-gold); text-align: left; margin-bottom: 16px; }
        .section-lead { color: var(--text-mint); margin-bottom: 36px; font-size: 1.05rem; max-width: 700px; }
        .step-card {
            background: var(--bg-secondary);
            border-radius: var(--border-radius);
            padding: 28px;
            margin-bottom: 20px;
            border-left: 5px solid var(--accent-gold);
            box-shadow: var(--box-shadow);
            transition: transform 0.2s;
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .step-card:hover { transform: translateX(4px); }
        .step-number {
            background: var(--accent-gold);
            color: var(--bg-primary);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .step-body h3 { font-size: 1.3rem; color: #fff; margin-bottom: 8px; }
        .step-body p { color: var(--text-mint); margin-bottom: 0; }
        .platform-box {
            background: rgba(0,0,0,0.25);
            border: 1px solid rgba(255,215,0,0.3);
            border-radius: var(--border-radius);
            padding: 30px;
            margin-bottom: 20px;
            text-align: left;
        }
        .platform-box h3 { color: var(--accent-gold); font-size: 1.4rem; }
        .platform-box ul { list-style: none; margin: 16px 0 0; padding: 0; }
        .platform-box ul li { padding: 8px 0; color: var(--text-mint); border-bottom: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; gap: 10px; }
        .platform-box ul li i { color: var(--accent-gold); width: 20px; }

        /* Cards */
        .card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-bottom: 30px; }
        .info-card {
            background: var(--bg-secondary);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 24px;
            border: 1px solid rgba(255,215,0,0.2);
            transition: box-shadow 0.2s, transform 0.2s;
        }
        .info-card:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.4); transform: translateY(-3px); }
        .info-card img { width: 100%; height: 180px; object-fit: cover; border-radius: 8px; margin-bottom: 16px; }
        .info-card h3 { font-size: 1.2rem; color: #fff; margin-bottom: 10px; }
        .info-card p { color: var(--text-mint); margin-bottom: 16px; }

        /* FAQ */
        .faq-item {
            background: var(--bg-secondary);
            border-radius: var(--border-radius);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 700;
            color: #fff;
            font-size: 1.1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(0,0,0,0.15);
            border-bottom: 1px solid rgba(255,215,0,0.15);
        }
        .faq-answer { padding: 20px 24px; color: var(--text-mint); line-height: 1.7; }
        .faq-question i { transition: transform 0.3s; color: var(--accent-gold); }
        .faq-item.active .faq-question i { transform: rotate(180deg); }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0B3A24, var(--bg-secondary));
            padding: 50px 30px;
            border-radius: var(--border-radius);
            text-align: left;
            border: 2px solid var(--accent-gold);
            margin: 40px 0;
        }
        .cta-section h2 { color: var(--accent-gold); font-size: 1.8rem; }
        .btn-cta {
            background: var(--accent-red);
            color: #fff;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 1.1rem;
            display: inline-block;
            margin-top: 16px;
            transition: all 0.2s;
            box-shadow: 0 8px 20px rgba(211,47,47,0.5);
            border: none;
            cursor: pointer;
        }
        .btn-cta:hover { background: #e53935; transform: scale(1.03); color: #fff; }

        /* Footer */
        .site-footer {
            background: #082517;
            padding: 50px 20px 20px;
            border-top: 2px solid var(--accent-gold);
            margin-top: 40px;
            color: var(--text-mint);
        }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; margin-bottom: 30px; }
        .footer-col h4 { color: var(--accent-gold); margin-bottom: 12px; font-size: 1.1rem; }
        .footer-col ul { list-style: none; margin: 0; padding: 0; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col a { color: var(--text-mint); }
        .footer-col a:hover { color: var(--accent-gold); }
        .footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.9rem; }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 99;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #C5A059, #8B6914);
            border: 3px solid #FFD700;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.6rem;
            box-shadow: 0 4px 20px rgba(255,215,0,0.35);
            cursor: pointer;
            transition: transform 0.2s, opacity 0.2s;
            animation: floatGold 3s infinite;
        }
        .fab:hover { transform: scale(1.1); opacity: 1; }
        @keyframes floatGold { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

        @media (max-width: 768px) {
            .mobile-toggle { display: block; }
            .nav-primary {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(10,46,28,0.98);
                padding: 16px 0;
                gap: 8px;
                position: absolute;
                top: 70px;
                left: 0;
            }
            .nav-primary.show { display: flex; }
            .nav-actions { display: flex; gap: 8px; }
            .btn-login, .btn-signup { padding: 6px 14px; font-size: 0.8rem; }
            .page-hero h1 { font-size: 1.8rem; }
        }