/* roulang page: index */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-white: #F8FAFC;
            --text-mint: #D1FAE5;
            --text-muted: #A3A375;
            --border-gold-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-card: 0 8px 24px rgba(0,0,0,0.4);
            --border-radius-lg: 1rem;
            --border-radius-card: 0.75rem;
            --spacing-section: 4.5rem 0;
            --spacing-container: 0 2rem;
            --transition-base: all 0.25s ease;
            --font-primary: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
        }

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

        body {
            font-family: var(--font-primary);
            line-height: 1.65;
            background-color: var(--primary-bg);
            color: var(--text-white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }

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

        button, .btn {
            transition: var(--transition-base);
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: var(--spacing-container);
        }

        /* Header & Navigation */
        .header-nav {
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold-subtle);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0.5rem 0;
            box-shadow: 0 4px 18px rgba(0,0,0,0.25);
        }

        .navbar-brand-custom {
            font-weight: 800;
            font-size: 1.7rem;
            color: var(--accent-gold) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            text-shadow: 0 0 12px rgba(245,158,11,0.5);
        }

        .nav-link {
            color: var(--text-mint) !important;
            font-weight: 600;
            padding: 0.6rem 1.2rem !important;
            border-radius: 0.5rem;
            transition: var(--transition-base);
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(245,158,11,0.08);
            text-decoration: none;
        }

        .btn-login {
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold) !important;
            background: transparent;
            font-weight: 700;
            padding: 0.5rem 1.4rem;
            border-radius: 2.5rem;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(245,158,11,0.12);
            color: var(--accent-gold-light) !important;
            text-decoration: none;
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: #051F14 !important;
            font-weight: 800;
            padding: 0.5rem 1.6rem;
            border-radius: 2.5rem;
            border: none;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245,158,11,0.5);
            transition: var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245,158,11,0.7);
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 50%, #041A10 100%), url('/assets/images/backpic/back-1.jpg');
            background-blend-mode: overlay;
            background-size: cover;
            background-position: center;
            padding: 5rem 0 6rem;
            position: relative;
            border-bottom: 2px solid var(--border-gold-subtle);
        }

        .hero-badge-premium {
            display: inline-block;
            background: rgba(220,38,38,0.2);
            border: 1px solid var(--accent-red);
            color: #FCA5A5;
            padding: 0.4rem 1.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1px;
            backdrop-filter: blur(6px);
            margin-bottom: 1.2rem;
        }

        /* Cards */
        .card-premium {
            background: rgba(11, 46, 30, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-card);
            padding: 1.8rem;
            transition: var(--transition-base);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        }

        .card-premium:hover {
            transform: translateY(-5px);
            border-color: var(--accent-gold);
            box-shadow: 0 12px 28px rgba(245,158,11,0.25);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), #D97706);
            color: #051F14;
            font-weight: 800;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 3rem;
            letter-spacing: 0.5px;
            box-shadow: 0 6px 16px rgba(245,158,11,0.4);
            transition: var(--transition-base);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(245,158,11,0.65);
            background: linear-gradient(135deg, #FCD34D, #F59E0B);
            color: #051F14;
        }

        .btn-outline-gold {
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            font-weight: 700;
            padding: 0.7rem 1.8rem;
            border-radius: 3rem;
        }

        .btn-outline-gold:hover {
            background: var(--accent-gold);
            color: #051F14;
        }

        /* Section Titles */
        .section-title {
            font-weight: 800;
            font-size: 2.2rem;
            color: var(--text-white);
            margin-bottom: 1rem;
            position: relative;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 720px;
            margin: 0 auto 2.5rem;
        }

        /* FAB */
        .fab-royal {
            position: fixed;
            left: 1.2rem;
            bottom: 5.5rem;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border: 2px solid var(--accent-gold);
            box-shadow: var(--shadow-gold);
            z-index: 1100;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
            opacity: 0.85;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(245,158,11,0.6);
        }

        .fab-badge {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid white;
        }

        /* Footer */
        .site-footer {
            background: #041A10;
            border-top: 2px solid var(--border-gold-subtle);
            padding: 2.8rem 0;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-links a {
            color: var(--text-mint);
            font-weight: 500;
        }

        .footer-links a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 3rem 0 4rem;
            }
            .navbar-brand-custom {
                font-size: 1.3rem;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-white: #F8FAFC;
            --text-mint: #D1FAE5;
            --text-muted: #A3A375;
            --border-gold-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-card: 0 8px 24px rgba(0,0,0,0.4);
            --border-radius-lg: 1rem;
            --border-radius-card: 0.75rem;
            --spacing-section: 4.5rem 0;
            --spacing-container: 0 2rem;
            --transition-base: all 0.25s ease;
            --font-primary: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
        }
        body {
            font-family: var(--font-primary);
            line-height: 1.65;
            background-color: var(--primary-bg);
            color: var(--text-white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent-gold-light);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            transition: var(--transition-base);
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: var(--spacing-container);
        }
        .header-nav {
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold-subtle);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0.5rem 0;
            box-shadow: 0 4px 18px rgba(0,0,0,0.25);
        }
        .navbar-brand-custom {
            font-weight: 800;
            font-size: 1.7rem;
            color: var(--accent-gold) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            text-shadow: 0 0 12px rgba(245,158,11,0.5);
        }
        .nav-link {
            color: var(--text-mint) !important;
            font-weight: 600;
            padding: 0.6rem 1.2rem !important;
            border-radius: 0.5rem;
            transition: var(--transition-base);
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(245,158,11,0.08);
            text-decoration: none;
        }
        .btn-login {
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold) !important;
            background: transparent;
            font-weight: 700;
            padding: 0.5rem 1.4rem;
            border-radius: 2.5rem;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .btn-login:hover {
            background: rgba(245,158,11,0.12);
            color: var(--accent-gold-light) !important;
            text-decoration: none;
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: #051F14 !important;
            font-weight: 800;
            padding: 0.5rem 1.6rem;
            border-radius: 2.5rem;
            border: none;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245,158,11,0.5);
            transition: var(--transition-base);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245,158,11,0.7);
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
        }
        .hero-section {
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 50%, #041A10 100%), url('/assets/images/backpic/back-1.jpg');
            background-blend-mode: overlay;
            background-size: cover;
            background-position: center;
            padding: 4rem 0 3rem;
            position: relative;
            border-bottom: 2px solid var(--border-gold-subtle);
        }
        .hero-badge-premium {
            display: inline-block;
            background: rgba(220,38,38,0.2);
            border: 1px solid var(--accent-red);
            color: #FCA5A5;
            padding: 0.4rem 1.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1px;
            backdrop-filter: blur(6px);
            margin-bottom: 1rem;
        }
        .article-header {
            background: linear-gradient(180deg, rgba(11,46,30,0.95) 0%, rgba(5,31,20,0.98) 100%), url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 3.5rem 0 2.5rem;
            border-bottom: 2px solid var(--border-gold-subtle);
            position: relative;
        }
        .article-category-tag {
            display: inline-block;
            background: rgba(245,158,11,0.18);
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold-light);
            padding: 0.35rem 1.1rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }
        .article-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-white);
            text-shadow: 0 2px 12px rgba(0,0,0,0.5);
        }
        .article-meta {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
            padding-top: 0.8rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .article-body {
            padding: 3rem 0;
            background: var(--primary-bg);
        }
        .article-content {
            max-width: 860px;
            margin: 0 auto;
            background: rgba(11,46,30,0.45);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(245,158,11,0.12);
            border-radius: var(--border-radius-lg);
            padding: 2.5rem 2.8rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.35);
            line-height: 1.75;
            font-size: 1.05rem;
            color: #E2E8F0;
        }
        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-top: 2.2rem;
            margin-bottom: 1rem;
            border-left: 4px solid var(--accent-gold);
            padding-left: 1rem;
        }
        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-top: 1.8rem;
            margin-bottom: 0.7rem;
        }
        .article-content p {
            margin-bottom: 1.2rem;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.5rem;
            padding-left: 1.8rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .article-content img {
            border-radius: var(--border-radius-card);
            margin: 2rem 0;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-gold-subtle);
        }
        .article-content blockquote {
            background: rgba(245,158,11,0.07);
            border-left: 4px solid var(--accent-gold);
            padding: 1.2rem 1.6rem;
            border-radius: 0 0.6rem 0.6rem 0;
            margin: 2rem 0;
            font-style: italic;
            color: #CBD5E1;
        }
        .trust-strip {
            background: linear-gradient(90deg, #0B2E1E 0%, #051F14 100%);
            border-top: 2px solid var(--accent-gold);
            border-bottom: 2px solid var(--accent-gold);
            padding: 1.8rem 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2.5rem;
            align-items: center;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: var(--text-mint);
            font-weight: 700;
            font-size: 0.95rem;
        }
        .trust-item i {
            color: var(--accent-gold);
            font-size: 1.4rem;
        }
        .cta-banner {
            background: linear-gradient(135deg, #0B2E1E 0%, #051F14 100%);
            border: 1.5px solid var(--accent-gold);
            border-radius: var(--border-radius-lg);
            padding: 2.8rem 2rem;
            text-align: center;
            margin: 3rem auto;
            max-width: 860px;
            box-shadow: 0 12px 32px rgba(245,158,11,0.18);
        }
        .related-articles {
            padding: 3rem 0 4rem;
            background: var(--secondary-bg);
        }
        .section-title {
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 2rem;
            font-size: 2rem;
            text-align: center;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 70px;
            height: 3px;
            background: var(--accent-gold);
            margin: 0.8rem auto 0;
            border-radius: 4px;
        }
        .related-card {
            background: rgba(5,31,20,0.8);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-card);
            padding: 1.5rem;
            transition: var(--transition-base);
            box-shadow: 0 6px 18px rgba(0,0,0,0.35);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-gold);
            box-shadow: 0 14px 28px rgba(245,158,11,0.25);
        }
        .related-card h5 {
            font-weight: 800;
            color: var(--text-white);
            font-size: 1.15rem;
            margin-bottom: 0.7rem;
            line-height: 1.4;
        }
        .related-card p {
            font-size: 0.9rem;
            color: #CBD5E1;
            flex-grow: 1;
            margin-bottom: 1rem;
        }
        .related-card .btn-read {
            align-self: flex-start;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .not-found-card {
            background: rgba(11,46,30,0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(245,158,11,0.25);
            border-radius: var(--border-radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            max-width: 600px;
            margin: 3rem auto;
        }
        .not-found-card i {
            color: var(--accent-gold);
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        .site-footer {
            background: #030F0A;
            border-top: 3px solid var(--accent-gold);
            padding: 3rem 0 1.5rem;
            color: #94A3B8;
            font-size: 0.9rem;
        }
        .site-footer h5, .site-footer h6 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-links a {
            color: #94A3B8;
            margin-bottom: 0.4rem;
            display: block;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1055;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #F59E0B, #D97706);
            border: 2px solid #FCD34D;
            box-shadow: 0 6px 25px rgba(245,158,11,0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #051F14;
            font-size: 1.5rem;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 12px 32px rgba(245,158,11,0.55);
        }
        @media (max-width: 1024px) {
            .article-title {
                font-size: 2.2rem;
            }
            .article-content {
                padding: 2rem 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 1.5rem 1.2rem;
                font-size: 0.95rem;
            }
            .trust-strip {
                gap: 1.2rem;
                padding: 1.2rem 1rem;
            }
            .trust-item {
                font-size: 0.85rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                left: 0.8rem;
                bottom: 5rem;
            }
        }
        @media (max-width: 520px) {
            .article-title {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 1.2rem 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-white: #F8FAFC;
            --text-mint: #D1FAE5;
            --text-muted: #A3A375;
            --border-gold-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-card: 0 8px 24px rgba(0,0,0,0.4);
            --border-radius-lg: 1rem;
            --border-radius-card: 0.75rem;
            --spacing-section: 4.5rem 0;
            --spacing-container: 0 2rem;
            --transition-base: all 0.25s ease;
            --font-primary: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
        }
        body {
            font-family: var(--font-primary);
            line-height: 1.65;
            background-color: var(--primary-bg);
            color: var(--text-white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent-gold-light);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            transition: var(--transition-base);
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: var(--spacing-container);
        }
        .header-nav {
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold-subtle);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0.5rem 0;
            box-shadow: 0 4px 18px rgba(0,0,0,0.25);
        }
        .navbar-brand-custom {
            font-weight: 800;
            font-size: 1.7rem;
            color: var(--accent-gold) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            text-shadow: 0 0 12px rgba(245,158,11,0.5);
        }
        .nav-link {
            color: var(--text-mint) !important;
            font-weight: 600;
            padding: 0.6rem 1.2rem !important;
            border-radius: 0.5rem;
            transition: var(--transition-base);
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(245,158,11,0.08);
            text-decoration: none;
        }
        .btn-login {
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold) !important;
            background: transparent;
            font-weight: 700;
            padding: 0.5rem 1.4rem;
            border-radius: 2.5rem;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .btn-login:hover {
            background: rgba(245,158,11,0.12);
            color: var(--accent-gold-light) !important;
            text-decoration: none;
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: #051F14 !important;
            font-weight: 800;
            padding: 0.5rem 1.6rem;
            border-radius: 2.5rem;
            border: none;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245,158,11,0.5);
            transition: var(--transition-base);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245,158,11,0.7);
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
        }
        .hero-section {
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 50%, #041A10 100%);
            background-blend-mode: overlay;
            background-size: cover;
            background-position: center;
            padding: 5rem 0 6rem;
            position: relative;
            border-bottom: 2px solid var(--border-gold-subtle);
        }
        .hero-badge-premium {
            display: inline-block;
            background: rgba(220,38,38,0.2);
            border: 1px solid var(--accent-red);
            color: #FCA5A5;
            padding: 0.4rem 1.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1px;
            backdrop-filter: blur(6px);
            margin-bottom: 1.2rem;
        }
        .card-premium {
            background: rgba(11, 46, 30, 0.8);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-card);
            padding: 1.8rem;
            transition: var(--transition-base);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
            height: 100%;
        }
        .card-premium:hover {
            transform: translateY(-5px);
            border-color: var(--accent-gold);
            box-shadow: 0 12px 28px rgba(245,158,11,0.25);
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), #D97706);
            color: #051F14;
            font-weight: 800;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 3rem;
            letter-spacing: 0.5px;
            box-shadow: 0 6px 16px rgba(245,158,11,0.4);
            transition: var(--transition-base);
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(245,158,11,0.65);
            background: linear-gradient(135deg, #FCD34D, #F59E0B);
            color: #051F14;
        }
        .btn-outline-gold {
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            padding: 0.8rem 2rem;
            border-radius: 3rem;
            font-weight: 700;
            transition: var(--transition-base);
        }
        .btn-outline-gold:hover {
            background: rgba(245,158,11,0.12);
            color: var(--accent-gold-light);
            transform: translateY(-2px);
        }
        .section-title {
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
            font-size: 2rem;
            text-shadow: 0 0 10px rgba(245,158,11,0.3);
        }
        .divider-gold {
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            margin: 1rem 0 2rem;
        }
        .progress-ring-container {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
        }
        .progress-ring {
            position: relative;
            width: 180px;
            height: 180px;
        }
        .progress-ring svg {
            transform: rotate(-90deg);
        }
        .bg-secondary-section {
            background: var(--secondary-bg);
        }
        .list-check li {
            list-style: none;
            padding-left: 1.8rem;
            position: relative;
            margin-bottom: 0.5rem;
            color: var(--text-mint);
        }
        .list-check li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-gold);
        }
        .site-footer {
            background: #041A10;
            border-top: 2px solid var(--border-gold-subtle);
            padding: 3rem 0 1.5rem;
            color: var(--text-muted);
        }
        .site-footer a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .site-footer a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1050;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border-radius: 50%;
            box-shadow: 0 6px 25px rgba(245,158,11,0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #051F14;
            font-size: 1.5rem;
            transition: var(--transition-base);
            opacity: 0.8;
            animation: breathe 3s infinite;
            border: 2px solid #F59E0B;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.15);
            animation: none;
            box-shadow: 0 10px 30px rgba(245,158,11,0.7);
        }
        @keyframes breathe {
            0% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
            100% { transform: translateY(0); }
        }
        .notification-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #FFF;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1.2rem;
            }
            .hero-section {
                padding: 3rem 0 4rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-white: #F8FAFC;
            --text-mint: #D1FAE5;
            --text-muted: #A3A375;
            --border-gold-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-card: 0 8px 24px rgba(0,0,0,0.4);
            --border-radius-lg: 1rem;
            --border-radius-card: 0.75rem;
            --spacing-section: 4.5rem 0;
            --spacing-container: 0 2rem;
            --transition-base: all 0.25s ease;
            --font-primary: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
        }
        body {
            font-family: var(--font-primary);
            line-height: 1.65;
            background-color: var(--primary-bg);
            color: var(--text-white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent-gold-light);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            transition: var(--transition-base);
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: var(--spacing-container);
        }
        /* Header & Navigation */
        .header-nav {
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold-subtle);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0.5rem 0;
            box-shadow: 0 4px 18px rgba(0,0,0,0.25);
        }
        .navbar-brand-custom {
            font-weight: 800;
            font-size: 1.7rem;
            color: var(--accent-gold) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            text-shadow: 0 0 12px rgba(245,158,11,0.5);
        }
        .nav-link {
            color: var(--text-mint) !important;
            font-weight: 600;
            padding: 0.6rem 1.2rem !important;
            border-radius: 0.5rem;
            transition: var(--transition-base);
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(245,158,11,0.08);
            text-decoration: none;
        }
        .btn-login {
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold) !important;
            background: transparent;
            font-weight: 700;
            padding: 0.5rem 1.4rem;
            border-radius: 2.5rem;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .btn-login:hover {
            background: rgba(245,158,11,0.12);
            color: var(--accent-gold-light) !important;
            text-decoration: none;
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: #051F14 !important;
            font-weight: 800;
            padding: 0.5rem 1.6rem;
            border-radius: 2.5rem;
            border: none;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245,158,11,0.5);
            transition: var(--transition-base);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245,158,11,0.7);
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
        }
        .hero-section {
            background: linear-gradient(160deg, #0B2E1E 0%, #051F14 40%, #041A10 100%);
            padding: 4rem 0 5rem;
            position: relative;
            overflow: hidden;
            border-bottom: 2px solid var(--border-gold-subtle);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 70%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(245,158,11,0.08) 0%, transparent 70%);
            transform: rotate(12deg);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/backpic/back-4.jpg') no-repeat center right;
            background-size: cover;
            opacity: 0.25;
            pointer-events: none;
            mask-image: linear-gradient(to left, rgba(0,0,0,0.6) 0%, transparent 100%);
        }
        .hero-badge-premium {
            display: inline-block;
            background: rgba(220,38,38,0.2);
            border: 1px solid var(--accent-red);
            color: #FCA5A5;
            padding: 0.4rem 1.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1px;
            backdrop-filter: blur(6px);
            margin-bottom: 1.2rem;
        }
        .card-premium {
            background: rgba(11, 46, 30, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-card);
            padding: 1.8rem;
            transition: var(--transition-base);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        }
        .card-premium:hover {
            transform: translateY(-5px);
            border-color: var(--accent-gold);
            box-shadow: 0 12px 28px rgba(245,158,11,0.25);
        }
        .card-game-item {
            background: linear-gradient(145deg, #0A2A1A 0%, #0B2E1E 100%);
            border: 1px solid rgba(245,158,11,0.25);
            border-radius: var(--border-radius-card);
            padding: 1.4rem;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .card-game-item::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60px;
            height: 60px;
            background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
            border-radius: 0 0 0 60px;
        }
        .card-game-item:hover {
            border-color: var(--accent-gold);
            transform: translateY(-6px);
            box-shadow: 0 14px 30px rgba(245,158,11,0.3);
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), #D97706);
            color: #051F14;
            font-weight: 800;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 3rem;
            letter-spacing: 0.5px;
            box-shadow: 0 6px 16px rgba(245,158,11,0.4);
            transition: var(--transition-base);
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(245,158,11,0.65);
            background: linear-gradient(135deg, #FCD34D, #F59E0B);
            color: #051F14;
        }
        .btn-outline-gold {
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            font-weight: 700;
            padding: 0.7rem 1.8rem;
            border-radius: 3rem;
            transition: var(--transition-base);
        }
        .btn-outline-gold:hover {
            background: rgba(245,158,11,0.1);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
            box-shadow: 0 0 18px rgba(245,158,11,0.3);
        }
        .section-title {
            font-weight: 800;
            font-size: 2.2rem;
            margin-bottom: 1rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 680px;
            line-height: 1.7;
        }
        .tag-vip {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            font-size: 0.7rem;
            padding: 0.25rem 0.8rem;
            border-radius: 1rem;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .support-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(245,158,11,0.1);
            border: 1px solid var(--border-gold-subtle);
            padding: 0.5rem 1.2rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            color: var(--accent-gold-light);
        }
        .site-footer {
            background: #030F0A;
            border-top: 2px solid var(--border-gold-subtle);
            padding: 2.5rem 0 1.5rem;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-links a {
            color: var(--text-mint);
            transition: var(--transition-base);
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1055;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.45);
            transition: var(--transition-base);
            border: 2px solid var(--accent-gold);
            animation: floatBreath 3s ease-in-out infinite;
        }
        .fab-left:hover {
            transform: scale(1.12);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.7);
        }
        @keyframes floatBreath {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .fab-left i {
            font-size: 1.8rem;
            color: #051F14;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 3rem 0 3.5rem;
            }
            .hero-section::after {
                opacity: 0.1;
                width: 100%;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-white: #F8FAFC;
            --text-mint: #D1FAE5;
            --text-muted: #A3A375;
            --border-gold-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-card: 0 8px 24px rgba(0,0,0,0.4);
            --border-radius-lg: 1rem;
            --border-radius-card: 0.75rem;
            --spacing-section: 4.5rem 0;
            --spacing-container: 0 2rem;
            --transition-base: all 0.25s ease;
            --font-primary: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
        }
        body {
            font-family: var(--font-primary);
            line-height: 1.65;
            background-color: var(--primary-bg);
            color: var(--text-white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent-gold-light);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            transition: var(--transition-base);
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: var(--spacing-container);
        }
        .header-nav {
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold-subtle);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0.5rem 0;
            box-shadow: 0 4px 18px rgba(0,0,0,0.25);
        }
        .navbar-brand-custom {
            font-weight: 800;
            font-size: 1.7rem;
            color: var(--accent-gold) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            text-shadow: 0 0 12px rgba(245,158,11,0.5);
        }
        .nav-link {
            color: var(--text-mint) !important;
            font-weight: 600;
            padding: 0.6rem 1.2rem !important;
            border-radius: 0.5rem;
            transition: var(--transition-base);
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(245,158,11,0.08);
            text-decoration: none;
        }
        .btn-login {
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold) !important;
            background: transparent;
            font-weight: 700;
            padding: 0.5rem 1.4rem;
            border-radius: 2.5rem;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .btn-login:hover {
            background: rgba(245,158,11,0.12);
            color: var(--accent-gold-light) !important;
            text-decoration: none;
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: #051F14 !important;
            font-weight: 800;
            padding: 0.5rem 1.6rem;
            border-radius: 2.5rem;
            border: none;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245,158,11,0.5);
            transition: var(--transition-base);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245,158,11,0.7);
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
        }
        .hero-section {
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 50%, #041A10 100%), url('/assets/images/backpic/back-3.jpg');
            background-blend-mode: overlay;
            background-size: cover;
            background-position: center;
            padding: 5rem 0 6rem;
            position: relative;
            border-bottom: 2px solid var(--border-gold-subtle);
        }
        .hero-badge-premium {
            display: inline-block;
            background: rgba(220,38,38,0.2);
            border: 1px solid var(--accent-red);
            color: #FCA5A5;
            padding: 0.4rem 1.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1px;
            backdrop-filter: blur(6px);
            margin-bottom: 1.2rem;
        }
        .card-premium {
            background: rgba(11, 46, 30, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-card);
            padding: 1.8rem;
            transition: var(--transition-base);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        }
        .card-premium:hover {
            transform: translateY(-5px);
            border-color: var(--accent-gold);
            box-shadow: 0 12px 28px rgba(245,158,11,0.25);
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), #D97706);
            color: #051F14;
            font-weight: 800;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 3rem;
            letter-spacing: 0.5px;
            box-shadow: 0 6px 16px rgba(245,158,11,0.4);
            transition: var(--transition-base);
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(245,158,11,0.65);
            background: linear-gradient(135deg, #FCD34D, #F59E0B);
            color: #051F14;
        }
        .btn-outline-gold {
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            font-weight: 700;
            padding: 0.7rem 1.8rem;
            border-radius: 3rem;
            transition: var(--transition-base);
        }
        .btn-outline-gold:hover {
            background: var(--accent-gold);
            color: #051F14;
        }
        .stats-bar {
            background: rgba(11, 46, 30, 0.6);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-lg);
            padding: 2rem 1.5rem;
            margin-top: 3rem;
        }
        .stat-item {
            text-align: left;
            border-right: 1px solid rgba(245,158,11,0.2);
            padding: 0 1.8rem;
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text-mint);
            font-size: 0.9rem;
            font-weight: 500;
            margin-top: 0.3rem;
        }
        .vip-feature-card {
            background: linear-gradient(145deg, #0B2E1E, #082518);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-card);
            padding: 2rem 1.5rem;
            transition: var(--transition-base);
            height: 100%;
        }
        .vip-feature-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .vip-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
        }
        .game-preview-card {
            background: rgba(11, 46, 30, 0.5);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-card);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .game-preview-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent-gold);
            box-shadow: 0 14px 28px rgba(245,158,11,0.3);
        }
        .game-preview-img {
            height: 200px;
            object-fit: cover;
        }
        .vip-tier-table th {
            color: var(--accent-gold);
            font-weight: 700;
        }
        .faq-section .accordion-button {
            background: rgba(11, 46, 30, 0.7);
            color: var(--text-white);
            font-weight: 600;
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-card) !important;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(245,158,11,0.15);
            color: var(--accent-gold-light);
            box-shadow: none;
        }
        .faq-section .accordion-body {
            background: rgba(5,31,20,0.5);
            color: var(--text-mint);
            border: 1px solid var(--border-gold-subtle);
            border-top: 0;
        }
        .site-footer {
            background: #020D0A;
            border-top: 2px solid var(--border-gold-subtle);
            padding: 3rem 0 2rem;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .site-footer h5, .site-footer h6 {
            color: var(--accent-gold-light);
        }
        .site-footer a {
            color: var(--text-mint);
            transition: var(--transition-base);
        }
        .site-footer a:hover {
            color: var(--accent-gold);
        }
        @media (max-width: 991px) {
            .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(245,158,11,0.2);
                padding: 1rem 0.5rem;
                text-align: center;
            }
            .stats-bar .row > div:last-child .stat-item {
                border-bottom: none;
            }
        }
        .floating-fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border-radius: 50%;
            border: 2px solid #F59E0B;
            box-shadow: 0 6px 25px rgba(245,158,11,0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            animation: gentle-float 2.5s infinite ease-in-out;
        }
        .floating-fab i {
            color: #051F14;
            font-size: 1.8rem;
        }
        .floating-fab:hover {
            transform: scale(1.1);
            box-shadow: 0 10px 30px rgba(245,158,11,0.75);
        }
        @keyframes gentle-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

/* roulang page: category4 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-white: #F8FAFC;
            --text-mint: #D1FAE5;
            --text-muted: #A3A375;
            --border-gold-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-card: 0 8px 24px rgba(0,0,0,0.4);
            --border-radius-lg: 1rem;
            --border-radius-card: 0.75rem;
            --spacing-section: 4.5rem 0;
            --spacing-container: 0 2rem;
            --transition-base: all 0.25s ease;
            --font-primary: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
        }
        body {
            font-family: var(--font-primary);
            line-height: 1.65;
            background-color: var(--primary-bg);
            color: var(--text-white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent-gold-light);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            transition: var(--transition-base);
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: var(--spacing-container);
        }
        .header-nav {
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold-subtle);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0.5rem 0;
            box-shadow: 0 4px 18px rgba(0,0,0,0.25);
        }
        .navbar-brand-custom {
            font-weight: 800;
            font-size: 1.7rem;
            color: var(--accent-gold) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            text-shadow: 0 0 12px rgba(245,158,11,0.5);
        }
        .nav-link {
            color: var(--text-mint) !important;
            font-weight: 600;
            padding: 0.6rem 1.2rem !important;
            border-radius: 0.5rem;
            transition: var(--transition-base);
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(245,158,11,0.08);
            text-decoration: none;
        }
        .btn-login {
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold) !important;
            background: transparent;
            font-weight: 700;
            padding: 0.5rem 1.4rem;
            border-radius: 2.5rem;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .btn-login:hover {
            background: rgba(245,158,11,0.12);
            color: var(--accent-gold-light) !important;
            text-decoration: none;
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: #051F14 !important;
            font-weight: 800;
            padding: 0.5rem 1.6rem;
            border-radius: 2.5rem;
            border: none;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245,158,11,0.5);
            transition: var(--transition-base);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245,158,11,0.7);
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), #D97706);
            color: #051F14;
            font-weight: 800;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 3rem;
            letter-spacing: 0.5px;
            box-shadow: 0 6px 16px rgba(245,158,11,0.4);
            transition: var(--transition-base);
            display: inline-block;
            text-align: center;
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(245,158,11,0.65);
            background: linear-gradient(135deg, #FCD34D, #F59E0B);
            color: #051F14;
            text-decoration: none;
        }
        .btn-outline-gold {
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            font-weight: 700;
            padding: 0.7rem 1.8rem;
            border-radius: 3rem;
            transition: var(--transition-base);
            display: inline-block;
        }
        .btn-outline-gold:hover {
            background: rgba(245,158,11,0.15);
            color: var(--accent-gold-light);
            text-decoration: none;
        }
        .category-hero {
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 50%, #041A10 100%), url('/assets/images/backpic/back-4.jpg');
            background-blend-mode: overlay;
            background-size: cover;
            background-position: center;
            padding: 5rem 0 4rem;
            position: relative;
            border-bottom: 2px solid var(--border-gold-subtle);
        }
        .card-premium {
            background: rgba(11, 46, 30, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-card);
            padding: 1.8rem;
            transition: var(--transition-base);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
            height: 100%;
        }
        .card-premium:hover {
            transform: translateY(-5px);
            border-color: var(--accent-gold);
            box-shadow: 0 12px 28px rgba(245,158,11,0.25);
        }
        .badge-hot {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.3rem 1rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.5px;
        }
        .badge-vip {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), #D97706);
            color: #051F14;
            padding: 0.3rem 1rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-weight: 800;
            font-size: 2.2rem;
            color: var(--text-white);
            margin-bottom: 1rem;
            position: relative;
        }
        .section-title span {
            color: var(--accent-gold);
        }
        .text-mint { color: var(--text-mint); }
        .text-muted { color: var(--text-muted); }
        .text-accent { color: var(--accent-gold); }
        .bg-secondary-custom { background-color: var(--secondary-bg); }
        .divider-gold {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
            margin: 1rem 0;
            border-radius: 2px;
        }
        .site-footer {
            background: var(--secondary-bg);
            padding: 3rem 0 2rem;
            border-top: 1px solid var(--border-gold-subtle);
            color: var(--text-muted);
        }
        .footer-links a {
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-bottom: 0.4rem;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }
        .faq-item {
            background: rgba(11, 46, 30, 0.5);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--border-radius-card);
            padding: 1.5rem;
            margin-bottom: 1rem;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
            background: rgba(11, 46, 30, 0.8);
        }
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1050;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border-radius: 50%;
            border: 2px solid var(--accent-gold);
            box-shadow: var(--shadow-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
            animation: fabFloat 2.5s ease-in-out infinite;
        }
        .fab-left i {
            font-size: 1.6rem;
            color: #051F14;
        }
        .fab-left:hover {
            transform: scale(1.15);
            box-shadow: 0 8px 30px rgba(245,158,11,0.55);
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @media (max-width: 991.98px) {
            .navbar-nav {
                padding: 1rem 0;
            }
            .btn-login, .btn-signup {
                display: inline-block;
                margin: 0.3rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .category-hero {
                padding: 3.5rem 0 3rem;
            }
            .container-custom {
                padding: 0 1.2rem;
            }
        }
        @media (max-width: 767.98px) {
            .category-hero {
                text-align: center;
                padding: 3rem 0 2.5rem;
            }
            .divider-gold {
                margin: 1rem auto;
            }
            .card-premium {
                padding: 1.4rem;
            }
        }

/* 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}