/* roulang page: index */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14,14,30,0.65);
            --accent-primary: #A3E635;
            --accent-secondary: #06B6D4;
            --accent-glow: rgba(163,230,53,0.45);
            --accent-glow-secondary: rgba(6,182,212,0.45);
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(163,230,53,0.15);
            --border-active: rgba(163,230,53,0.55);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --shadow-card: 0 10px 35px -12px rgba(0,0,0,0.7);
            --shadow-glow: 0 0 25px rgba(163,230,53,0.3);
            --shadow-glow-secondary: 0 0 25px rgba(6,182,212,0.35);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            background-color: var(--bg-primary);
        }

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

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background: radial-gradient(circle at 30% 20%, rgba(6,182,212,0.08) 0%, transparent 55%),
                radial-gradient(circle at 75% 65%, rgba(163,230,53,0.06) 0%, transparent 55%);
            pointer-events: none;
            z-index: -2;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        p {
            margin-bottom: 0.75rem;
            color: var(--text-secondary);
        }

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding: 0 20px;
            max-width: 1240px;
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 2rem;
            filter: drop-shadow(0 0 12px var(--accent-glow));
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 2.2rem;
        }

        .nav-desktop a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-smooth);
            padding: 8px 0;
        }

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

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2.5px;
            background: var(--accent-primary);
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-primary);
            color: var(--accent-primary);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(163, 230, 53, 0.1);
            box-shadow: 0 0 18px var(--accent-glow);
        }

        .btn-signup {
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            border: none;
            color: #0A0E0D;
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.92rem;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 0 32px var(--accent-glow);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 6px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            width: 100%;
            background: rgba(7, 7, 13, 0.96);
            backdrop-filter: blur(22px);
            flex-direction: column;
            gap: 1.5rem;
            padding: 28px 24px;
            border-bottom: 1px solid var(--border-subtle);
            z-index: 999;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 6px 0;
        }

        .mobile-menu a:hover {
            color: var(--accent-primary);
        }

        /* Hero Section */
        .hero-section {
            padding: 160px 0 90px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 7, 13, 0.72) 0%, rgba(14, 14, 30, 0.88) 100%);
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 3.4rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.15;
            margin-bottom: 1.2rem;
            text-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, #A3E635 0%, #06B6D4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            max-width: 560px;
        }

        .hero-buttons {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        .btn-primary-glow {
            background: linear-gradient(135deg, #A3E635 0%, #65A30D 100%);
            border: none;
            color: #0A0E0D;
            padding: 15px 38px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }

        .btn-primary-glow:hover {
            box-shadow: 0 0 40px var(--accent-glow);
            transform: translateY(-3px);
        }

        .btn-outline-glow {
            background: transparent;
            border: 2px solid var(--accent-primary);
            color: var(--accent-primary);
            padding: 15px 38px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }

        .btn-outline-glow:hover {
            background: rgba(163, 230, 53, 0.08);
            box-shadow: 0 0 28px var(--accent-glow);
        }

        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
        }

        .hero-visual .floating-card {
            background: var(--bg-card);
            backdrop-filter: blur(24px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            width: 300px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .floating-card .jackpot-label {
            font-size: 0.85rem;
            color: var(--accent-primary);
            text-transform: uppercase;
            letter-spacing: 3px;
            margin-bottom: 6px;
        }

        .floating-card .jackpot-value {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(180deg, #A3E635 0%, #FDE047 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* Commission Section */
        .section-block {
            padding: 85px 0;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 3rem;
            max-width: 720px;
        }

        .commission-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .commission-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 38px 28px;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .commission-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-glow);
            transform: translateY(-6px);
        }

        .commission-card .icon-circle {
            width: 60px;
            height: 60px;
            background: rgba(163, 230, 53, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.4rem;
            font-size: 1.8rem;
            color: var(--accent-primary);
        }

        /* Materials Section */
        .materials-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .materials-list {
            list-style: none;
        }

        .materials-list li {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-subtle);
            align-items: flex-start;
        }

        .materials-list li i {
            color: var(--accent-primary);
            font-size: 1.3rem;
            margin-top: 3px;
        }

        .materials-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        /* Settlement */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px 22px;
            text-align: center;
            transition: var(--transition-smooth);
        }

        .step-item:hover {
            border-color: var(--accent-primary);
        }

        .step-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-primary);
        }

        /* Success Cases */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 34px 28px;
            border: 1px solid var(--border-subtle);
        }

        .case-card .case-avatar {
            width: 55px;
            height: 55px;
            background: rgba(163, 230, 53, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        /* CMS Section */
        .cms-section {
            background: rgba(14, 14, 30, 0.5);
        }

        .cms-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .cms-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .cms-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-glow);
        }

        .cms-card .card-body {
            padding: 24px 20px;
        }

        .cms-card .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
        }

        .cms-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .cms-card .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--accent-primary);
            margin-top: 12px;
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 55px 40px;
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background: rgba(7, 7, 13, 0.9);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 25px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 35px;
            margin-bottom: 2.5rem;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 22px;
            text-align: center;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 50;
            width: 58px;
            height: 58px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(14px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, #A3E635, #06B6D4) 1;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 24px rgba(6, 182, 212, 0.4);
            transition: all var(--transition-smooth);
            color: var(--accent-primary);
            font-size: 1.6rem;
        }

        .fab-floating:hover {
            box-shadow: 0 0 35px var(--accent-glow-secondary);
            transform: scale(1.08);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-section .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-desc {
                margin: 0 auto 2rem;
            }
            .hero-buttons {
                justify-content: center;
            }
            .commission-grid,
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: inline-flex;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .commission-grid,
            .steps-grid,
            .cms-grid {
                grid-template-columns: 1fr;
            }
            .materials-showcase {
                grid-template-columns: 1fr;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14,14,30,0.65);
            --accent-primary: #A3E635;
            --accent-secondary: #06B6D4;
            --accent-glow: rgba(163,230,53,0.45);
            --accent-glow-secondary: rgba(6,182,212,0.45);
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(163,230,53,0.15);
            --border-active: rgba(163,230,53,0.55);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --shadow-card: 0 10px 35px -12px rgba(0,0,0,0.7);
            --shadow-glow: 0 0 25px rgba(163,230,53,0.3);
            --shadow-glow-secondary: 0 0 25px rgba(6,182,212,0.35);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }
html {
            scroll-behavior: smooth;
            background-color: var(--bg-primary);
        }
body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            position: relative;
        }
body::before {
            content: '';
            position: fixed;
            inset: 0;
            background: radial-gradient(circle at 30% 20%, rgba(6,182,212,0.08) 0%, transparent 55%),
                radial-gradient(circle at 75% 65%, rgba(163,230,53,0.06) 0%, transparent 55%);
            pointer-events: none;
            z-index: -2;
        }
img {
            max-width: 100%;
            height: auto;
            display: block;
        }
a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-smooth);
        }
.container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
/* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }
.header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding: 0 20px;
            max-width: 1240px;
            margin: 0 auto;
        }
.logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
.logo i {
            color: var(--accent-primary);
            font-size: 2rem;
            filter: drop-shadow(0 0 12px var(--accent-glow));
        }
.nav-desktop {
            display: flex;
            align-items: center;
            gap: 2.2rem;
        }
.nav-desktop a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-smooth);
            padding: 8px 0;
        }
.nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--accent-primary);
        }
.nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2.5px;
            background: var(--accent-primary);
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }
.nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
.nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
.btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-primary);
            color: var(--accent-primary);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }
.btn-login:hover {
            background: rgba(163, 230, 53, 0.1);
            box-shadow: 0 0 18px var(--accent-glow);
        }
.btn-signup {
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            border: none;
            color: #0A0E0D;
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.92rem;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }
.btn-signup:hover {
            box-shadow: 0 0 32px var(--accent-glow);
            transform: translateY(-2px);
        }
.mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 6px;
        }
.mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            width: 100%;
            background: rgba(7, 7, 13, 0.96);
            backdrop-filter: blur(22px);
            flex-direction: column;
            gap: 1.5rem;
            padding: 28px 24px;
            border-bottom: 1px solid var(--border-subtle);
            z-index: 999;
        }
.mobile-menu.show {
            display: flex;
        }
.mobile-menu a {
            font-weight: 600;
            font-size: 1.15rem;
            color: var(--text-primary);
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
/* Article Hero */
        .article-hero {
            padding: 120px 0 60px;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            position: relative;
        }
.article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(7,7,13,0.7), rgba(14,14,30,0.9));
            z-index: 1;
        }
.article-hero .container {
            position: relative;
            z-index: 2;
        }
.article-hero-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
.article-category-tag {
            display: inline-block;
            background: var(--accent-primary);
            color: #0A0E0D;
            padding: 6px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            width: fit-content;
        }
.article-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin: 0;
            max-width: 900px;
        }
.article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            color: var(--text-secondary);
        }
.article-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
        }
.article-meta i {
            color: var(--accent-secondary);
        }
/* Article Body */
        .article-body-section {
            padding: 60px 0;
        }
.article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 50px;
        }
.article-content {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            line-height: 1.75;
        }
.article-content h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 28px;
            margin-bottom: 16px;
        }
.article-content h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 24px;
            margin-bottom: 12px;
        }
.article-content p {
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
.article-content ul,
        .article-content ol {
            color: var(--text-secondary);
            margin-bottom: 18px;
            padding-left: 24px;
        }
.article-content li {
            margin-bottom: 8px;
        }
.article-content strong {
            color: var(--text-primary);
        }
.article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
        }
.article-content blockquote {
            background: rgba(163,230,53,0.05);
            border-left: 4px solid var(--accent-primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 28px 0;
            font-style: italic;
            color: var(--text-primary);
        }
.article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
.article-not-found i {
            font-size: 3.5rem;
            color: var(--text-muted);
            display: block;
            margin-bottom: 20px;
        }
.article-not-found h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
.article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
.btn-back-home {
            display: inline-block;
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            color: #0A0E0D;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 700;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
        }
.btn-back-home:hover {
            box-shadow: 0 0 32px var(--accent-glow);
            transform: translateY(-2px);
            color: #0A0E0D;
        }
/* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
.sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
.sidebar-card h4 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.sidebar-card h4 i {
            color: var(--accent-primary);
        }
.sidebar-card p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            margin-bottom: 12px;
        }
.sidebar-card .highlight-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1;
            margin-bottom: 6px;
        }
.promo-card {
            background: linear-gradient(135deg, rgba(163,230,53,0.1), rgba(6,182,212,0.08));
            border: 1px solid var(--border-active);
            border-radius: var(--radius-md);
            padding: 28px;
            text-align: center;
        }
.promo-card h4 {
            color: var(--accent-primary);
        }
.promo-card .btn-signup-sidebar {
            display: block;
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            color: #0A0E0D;
            padding: 14px 28px;
            border-radius: 30px;
            font-weight: 700;
            margin-top: 18px;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            text-align: center;
        }
.promo-card .btn-signup-sidebar:hover {
            box-shadow: 0 0 32px var(--accent-glow);
            transform: scale(1.03);
            color: #0A0E0D;
        }
/* Related Articles */
        .related-section {
            padding: 60px 0 80px;
        }
.related-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.related-section h2 i {
            color: var(--accent-secondary);
        }
.related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
.related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition-smooth);
        }
.related-card:hover {
            border-color: var(--border-active);
            box-shadow: 0 12px 36px -12px rgba(6,182,212,0.25);
            transform: translateY(-6px);
        }
.related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
.related-card-body {
            padding: 22px;
        }
.related-card-body h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
.related-card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
.related-card-body .read-more {
            color: var(--accent-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-smooth);
        }
.related-card-body .read-more:hover {
            gap: 10px;
            color: var(--accent-primary);
        }
/* CTA Bottom */
        .cta-bottom {
            padding: 60px 0 40px;
            text-align: center;
        }
.cta-bottom-inner {
            background: linear-gradient(135deg, rgba(163,230,53,0.08), rgba(6,182,212,0.06));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
        }
.cta-bottom h3 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
.cta-bottom p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
/* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            color: var(--text-secondary);
        }
.footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }
.footer-grid h5 {
            color: var(--text-primary);
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 1rem;
        }
.footer-grid p,
        .footer-grid a {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: block;
            transition: color var(--transition-smooth);
        }
.footer-grid a:hover {
            color: var(--accent-primary);
        }
.footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
/* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .promo-card {
                grid-column: 1 / -1;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
@media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .article-hero h1 {
                font-size: 2rem;
            }
            .article-content {
                padding: 24px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-meta {
                gap: 12px;
            }
        }
@media (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
            }
            .logo {
                font-size: 1.2rem;
                gap: 8px;
            }
            .logo i {
                font-size: 1.5rem;
            }
            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .article-hero {
                padding: 100px 0 40px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-content {
                padding: 18px;
            }
            .cta-bottom h3 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14,14,30,0.65);
            --accent-primary: #A3E635;
            --accent-secondary: #06B6D4;
            --accent-glow: rgba(163,230,53,0.45);
            --accent-glow-secondary: rgba(6,182,212,0.45);
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(163,230,53,0.15);
            --border-active: rgba(163,230,53,0.55);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --shadow-card: 0 10px 35px -12px rgba(0,0,0,0.7);
            --shadow-glow: 0 0 25px rgba(163,230,53,0.3);
            --shadow-glow-secondary: 0 0 25px rgba(6,182,212,0.35);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }
html {
            scroll-behavior: smooth;
            background-color: var(--bg-primary);
        }
body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            position: relative;
            margin: 0;
        }
body::before {
            content: '';
            position: fixed;
            inset: 0;
            background: radial-gradient(circle at 30% 20%, rgba(6,182,212,0.08) 0%, transparent 55%),
                radial-gradient(circle at 75% 65%, rgba(163,230,53,0.06) 0%, transparent 55%);
            pointer-events: none;
            z-index: -2;
        }
img {
            max-width: 100%;
            height: auto;
            display: block;
        }
a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-smooth);
        }
.container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
/* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }
.header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding: 0 20px;
            max-width: 1240px;
            margin: 0 auto;
        }
.logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
.logo i {
            color: var(--accent-primary);
            font-size: 2rem;
            filter: drop-shadow(0 0 12px var(--accent-glow));
        }
.nav-desktop {
            display: flex;
            align-items: center;
            gap: 2.2rem;
        }
.nav-desktop a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-smooth);
            padding: 8px 0;
            cursor: pointer;
        }
.nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--accent-primary);
        }
.nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2.5px;
            background: var(--accent-primary);
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }
.nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
.nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
.btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-primary);
            color: var(--accent-primary);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
            font-family: var(--font-body);
        }
.btn-login:hover {
            background: rgba(163, 230, 53, 0.1);
            box-shadow: 0 0 18px var(--accent-glow);
        }
.btn-signup {
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            border: none;
            color: #0A0E0D;
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.92rem;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
            font-family: var(--font-body);
        }
.btn-signup:hover {
            box-shadow: 0 0 32px var(--accent-glow);
            transform: translateY(-2px);
        }
.mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 6px;
        }
.mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            width: 100%;
            background: rgba(7, 7, 13, 0.96);
            backdrop-filter: blur(22px);
            flex-direction: column;
            gap: 1.5rem;
            padding: 28px 24px;
            border-bottom: 1px solid var(--border-subtle);
            z-index: 998;
            box-sizing: border-box;
        }
.mobile-menu a {
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--text-secondary);
            transition: color var(--transition-smooth);
            padding: 6px 0;
        }
.mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-primary);
        }
.mobile-menu.open {
            display: flex;
        }
@media (max-width: 1024px) {
            .nav-desktop {
                gap: 1.2rem;
            }
            .header-inner {
                height: 68px;
            }
        }
@media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                height: 64px;
            }
        }
@media (max-width: 520px) {
            .logo {
                font-size: 1.2rem;
            }
            .logo i {
                font-size: 1.5rem;
            }
            .btn-login, .btn-signup {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
        }
/* Page Structure */
        main {
            padding-top: 92px;
        }
@media (max-width: 768px) {
            main {
                padding-top: 84px;
            }
        }
/* Hero */
        .hero-category {
            background: linear-gradient(180deg, rgba(14,14,30,0.9) 0%, rgba(7,7,13,0.95) 100%);
            padding: 70px 0 60px;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
.hero-category::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
        }
.hero-content {
            display: flex;
            align-items: center;
            gap: 3rem;
            flex-wrap: wrap;
        }
.hero-text {
            flex: 1 1 500px;
        }
.hero-text h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 18px;
            line-height: 1.2;
        }
.hero-text h1 span {
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
.hero-text p {
            color: var(--text-secondary);
            font-size: 1.15rem;
            line-height: 1.65;
            margin-bottom: 28px;
        }
.hero-badges {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
.badge-vip {
            background: rgba(163,230,53,0.12);
            border: 1px solid var(--border-active);
            color: var(--accent-primary);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
.hero-visual {
            flex: 0 0 380px;
            position: relative;
        }
.hero-visual img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card), 0 0 40px rgba(6,182,212,0.2);
            width: 100%;
            object-fit: cover;
        }
@media (max-width: 900px) {
            .hero-content {
                flex-direction: column;
            }
            .hero-visual {
                flex: 0 0 auto;
                max-width: 400px;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
        }
@media (max-width: 520px) {
            .hero-category {
                padding: 50px 0 40px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-text p {
                font-size: 1rem;
            }
        }
/* Section Base */
        .section {
            padding: 65px 0;
        }
.section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 40px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 14px;
        }
.section-title i {
            color: var(--accent-primary);
            font-size: 2.2rem;
            filter: drop-shadow(0 0 12px var(--accent-glow));
        }
@media (max-width: 520px) {
            .section {
                padding: 45px 0;
            }
            .section-title {
                font-size: 1.6rem;
                margin-bottom: 28px;
            }
        }
/* Benefits Grid */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
        }
.benefit-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            transition: all var(--transition-smooth);
            text-align: left;
        }
.benefit-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
.benefit-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(163,230,53,0.15) 0%, rgba(6,182,212,0.1) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.7rem;
            color: var(--accent-primary);
            margin-bottom: 18px;
        }
.benefit-card h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
.benefit-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.55;
            margin: 0;
        }
/* Steps / Roadmap */
        .steps-container {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 800px;
            margin: 0 auto;
        }
.step-item {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: all var(--transition-smooth);
        }
.step-item:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-glow);
        }
.step-num {
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            color: #07070D;
            font-weight: 800;
            font-size: 1.2rem;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
.step-body h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
            font-size: 1.1rem;
        }
.step-body p {
            color: var(--text-secondary);
            margin: 0;
            font-size: 0.95rem;
        }
/* Two Column Features */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 3rem;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
.feature-img {
            flex: 0 0 320px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
.feature-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
.feature-info {
            flex: 1 1 300px;
        }
.feature-info h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
.feature-info p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.65;
            margin-bottom: 18px;
        }
.feature-info ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.feature-info ul li {
            padding: 6px 0;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
.feature-info ul li i {
            color: var(--accent-primary);
        }
@media (max-width: 768px) {
            .feature-row {
                flex-direction: column;
            }
            .feature-img {
                flex: 0 0 auto;
                max-width: 420px;
            }
        }
/* News List */
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
.news-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
.news-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
.news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
.news-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
.news-cat {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-primary);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 8px;
        }
.news-body h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
.news-body h3 a {
            color: var(--text-primary);
        }
.news-body h3 a:hover {
            color: var(--accent-primary);
        }
.news-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 14px;
            flex: 1;
        }
.news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
.news-empty {
            grid-column: 1 / -1;
            text-align: center;
            color: var(--text-muted);
            padding: 40px;
        }
/* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
.faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px 26px;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
.faq-item:hover {
            border-color: var(--border-active);
        }
.faq-q {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
.faq-q i {
            color: var(--accent-primary);
            transition: transform 0.25s;
        }
.faq-a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-top: 12px;
            display: none;
        }
.faq-item.open .faq-a {
            display: block;
        }
.faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
/* CTA Strip */
        .cta-strip {
            background: linear-gradient(135deg, rgba(163,230,53,0.08) 0%, rgba(6,182,212,0.08) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
        }
.cta-strip h2 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2rem;
            margin-bottom: 12px;
        }
.cta-strip p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
.btn-cta-large {
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            color: #0A0E0D;
            font-weight: 800;
            font-size: 1.1rem;
            padding: 16px 40px;
            border-radius: 40px;
            border: none;
            box-shadow: var(--shadow-glow);
            cursor: pointer;
            transition: all var(--transition-smooth);
            display: inline-block;
        }
.btn-cta-large:hover {
            box-shadow: 0 0 40px var(--accent-glow);
            transform: translateY(-3px);
        }
/* Footer */
        .site-footer {
            background: rgba(7,7,13,0.92);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 18px;
            margin-top: 20px;
        }
.footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
.footer-grid h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
.footer-grid p,
        .footer-grid a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 8px;
            display: block;
        }
.footer-grid a:hover {
            color: var(--accent-primary);
        }
.footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 18px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
/* FAB */
        .fab-left {
            position: fixed;
            left: 18px;
            bottom: 90px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(7,7,13,0.8);
            backdrop-filter: blur(16px);
            border: 2px solid var(--accent-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 1.5rem;
            box-shadow: 0 0 20px rgba(163,230,53,0.35);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
.fab-left:hover {
            transform: scale(1.12);
            box-shadow: 0 0 35px var(--accent-glow);
        }
@media (max-width: 520px) {
            .fab-left {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14,14,30,0.65);
            --accent-primary: #A3E635;
            --accent-secondary: #06B6D4;
            --accent-glow: rgba(163,230,53,0.45);
            --accent-glow-secondary: rgba(6,182,212,0.45);
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(163,230,53,0.15);
            --border-active: rgba(163,230,53,0.55);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --shadow-card: 0 10px 35px -12px rgba(0,0,0,0.7);
            --shadow-glow: 0 0 25px rgba(163,230,53,0.3);
            --shadow-glow-secondary: 0 0 25px rgba(6,182,212,0.35);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            background-color: var(--bg-primary);
        }

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

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background: radial-gradient(circle at 30% 20%, rgba(6,182,212,0.08) 0%, transparent 55%),
                radial-gradient(circle at 75% 65%, rgba(163,230,53,0.06) 0%, transparent 55%);
            pointer-events: none;
            z-index: -2;
        }

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

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

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

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding: 0 20px;
            max-width: 1240px;
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 2rem;
            filter: drop-shadow(0 0 12px var(--accent-glow));
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 2.2rem;
        }

        .nav-desktop a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-smooth);
            padding: 8px 0;
        }

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

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2.5px;
            background: var(--accent-primary);
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-primary);
            color: var(--accent-primary);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(163, 230, 53, 0.1);
            box-shadow: 0 0 18px var(--accent-glow);
        }

        .btn-signup {
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            border: none;
            color: #0A0E0D;
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.92rem;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 0 32px var(--accent-glow);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 6px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            width: 100%;
            background: rgba(7, 7, 13, 0.96);
            backdrop-filter: blur(22px);
            flex-direction: column;
            gap: 1.5rem;
            padding: 28px 24px;
            border-bottom: 1px solid var(--border-subtle);
            z-index: 999;
        }

        .mobile-menu a {
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--text-secondary);
        }

        .mobile-menu a:hover {
            color: var(--accent-primary);
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions {
                gap: 12px;
            }
            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
        }

        main {
            padding-top: 72px;
        }

        .page-banner {
            background: linear-gradient(135deg, rgba(14,14,30,0.92) 0%, rgba(7,7,13,0.96) 100%),
                url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            padding: 90px 0 70px;
            text-align: center;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.25;
            margin-bottom: 1rem;
        }

        .page-banner h1 span {
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-banner p {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0 auto 2rem;
        }

        .countdown-bar {
            background: rgba(163,230,53,0.08);
            border: 1px solid var(--border-active);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .countdown-bar .label {
            font-weight: 700;
            color: var(--accent-primary);
            font-size: 1rem;
        }

        .countdown-timer {
            display: flex;
            gap: 10px;
        }

        .countdown-unit {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            min-width: 60px;
            text-align: center;
        }

        .countdown-unit .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1;
        }

        .countdown-unit .txt {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .section {
            padding: 70px 0;
        }

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

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 680px;
        }

        .jackpot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .jackpot-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 36px 26px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .jackpot-card::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .jackpot-card:hover {
            border-color: var(--border-active);
            box-shadow: 0 0 40px var(--accent-glow);
            transform: translateY(-6px);
        }

        .jackpot-card .icon {
            font-size: 2.6rem;
            margin-bottom: 18px;
            color: var(--accent-primary);
            filter: drop-shadow(0 0 12px var(--accent-glow));
        }

        .jackpot-card h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .jackpot-card .value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-secondary);
            margin: 12px 0;
        }

        .jackpot-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .btn-outline {
            display: inline-block;
            background: transparent;
            border: 1.5px solid var(--accent-secondary);
            color: var(--accent-secondary);
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(6,182,212,0.1);
            box-shadow: 0 0 20px var(--accent-glow-secondary);
            color: var(--accent-secondary);
        }

        .highlight-strip {
            background: linear-gradient(135deg, rgba(163,230,53,0.05) 0%, rgba(6,182,212,0.06) 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 48px 0;
            text-align: center;
        }

        .highlight-strip .stats {
            display: flex;
            justify-content: center;
            gap: 60px;
            flex-wrap: wrap;
        }

        .highlight-strip .stat-item .big {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1;
        }

        .highlight-strip .stat-item .desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 6px;
        }

        .feature-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .feature-item {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 30px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
        }

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

        .feature-item .fi-icon {
            font-size: 2rem;
            color: var(--accent-primary);
            flex-shrink: 0;
            margin-top: 4px;
        }

        .feature-item h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.4rem;
        }

        .feature-item p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin: 0;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px;
        }

        .testimonial-card .quote {
            font-size: 1.05rem;
            color: var(--text-secondary);
            font-style: italic;
            margin-bottom: 18px;
        }

        .testimonial-card .author {
            font-weight: 700;
            color: var(--accent-primary);
        }

        .faq-block {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 30px;
            margin-bottom: 20px;
        }

        .faq-block h3 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

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

        .cta-section {
            background: linear-gradient(135deg, rgba(163,230,53,0.07) 0%, rgba(6,182,212,0.07) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 52px 32px;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 2rem;
        }

        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 32px;
        }

        .footer-grid h5 {
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            font-size: 1rem;
        }

        .footer-grid p,
        .footer-grid a {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
        }

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

        @media (max-width: 1024px) {
            .jackpot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 2rem;
            }
            .jackpot-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .highlight-strip .stats {
                gap: 28px;
            }
            .highlight-strip .stat-item .big {
                font-size: 2rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14,14,30,0.65);
            --bg-card-hover: rgba(20,20,40,0.8);
            --accent-primary: #A3E635;
            --accent-secondary: #06B6D4;
            --accent-glow: rgba(163,230,53,0.45);
            --accent-glow-secondary: rgba(6,182,212,0.45);
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(163,230,53,0.15);
            --border-active: rgba(163,230,53,0.55);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --shadow-card: 0 10px 35px -12px rgba(0,0,0,0.7);
            --shadow-glow: 0 0 25px rgba(163,230,53,0.3);
            --shadow-glow-secondary: 0 0 25px rgba(6,182,212,0.35);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            background-color: var(--bg-primary);
        }

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

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

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background: radial-gradient(circle at 30% 20%, rgba(6,182,212,0.08) 0%, transparent 55%),
                radial-gradient(circle at 75% 65%, rgba(163,230,53,0.06) 0%, transparent 55%);
            pointer-events: none;
            z-index: -2;
        }

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

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

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding: 0 20px;
            max-width: 1240px;
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 2rem;
            filter: drop-shadow(0 0 12px var(--accent-glow));
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 2.2rem;
        }

        .nav-desktop a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-smooth);
            padding: 8px 0;
        }

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

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2.5px;
            background: var(--accent-primary);
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-primary);
            color: var(--accent-primary);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(163, 230, 53, 0.1);
            box-shadow: 0 0 18px var(--accent-glow);
        }

        .btn-signup {
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            border: none;
            color: #0A0E0D;
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.92rem;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 0 32px var(--accent-glow);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 6px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            width: 100%;
            background: rgba(7, 7, 13, 0.96);
            backdrop-filter: blur(22px);
            flex-direction: column;
            gap: 1.5rem;
            padding: 28px 24px;
            border-bottom: 1px solid var(--border-subtle);
            z-index: 999;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: color var(--transition-smooth);
        }

        .mobile-menu a:hover {
            color: var(--accent-primary);
        }

        /* Page Banner */
        .page-banner {
            padding: 140px 0 70px;
            position: relative;
            background: url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            background-attachment: fixed;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7,7,13,0.85) 0%, rgba(7,7,13,0.65) 50%, rgba(7,7,13,0.92) 100%);
            z-index: 1;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .page-banner .badge {
            display: inline-block;
            background: rgba(163, 230, 53, 0.12);
            border: 1px solid var(--border-active);
            color: var(--accent-primary);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 18px;
            color: var(--text-primary);
            line-height: 1.25;
        }

        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto;
        }

        /* Section Styles */
        .section {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 700px;
        }

        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .glass-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-active);
            box-shadow: 0 12px 40px -16px rgba(0, 0, 0, 0.6);
            transform: translateY(-4px);
        }

        .glass-card .card-icon {
            font-size: 2.5rem;
            color: var(--accent-primary);
            margin-bottom: 18px;
            filter: drop-shadow(0 0 10px var(--accent-glow));
        }

        .glass-card h3 {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .glass-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* List block */
        .info-block {
            padding: 50px 0;
        }

        .info-block h2 {
            font-family: var(--font-heading);
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text-primary);
        }

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

        .info-block ul li {
            position: relative;
            padding: 14px 0 14px 30px;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .info-block ul li::before {
            content: '✦';
            position: absolute;
            left: 0;
            top: 16px;
            color: var(--accent-primary);
            font-size: 1rem;
        }

        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08) 0%, rgba(6, 182, 212, 0.06) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            margin: 30px 0;
        }

        .cta-block h2 {
            font-family: var(--font-heading);
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .cta-block p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 550px;
            margin: 0 auto 24px;
        }

        .btn-primary-glow {
            display: inline-block;
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            color: #0A0E0D;
            padding: 14px 38px;
            border-radius: 34px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 0 28px var(--accent-glow);
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }

        .btn-primary-glow:hover {
            box-shadow: 0 0 40px var(--accent-glow);
            transform: translateY(-2px);
            color: #0A0E0D;
        }

        /* Post list */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .post-item {
            display: flex;
            gap: 22px;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            transition: all var(--transition-smooth);
            align-items: center;
        }

        .post-item:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-card);
        }

        .post-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .post-info h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .post-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }

        .post-info .post-meta {
            font-size: 0.8rem;
            color: var(--accent-secondary);
            margin-top: 4px;
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            margin-bottom: 16px;
            transition: all var(--transition-smooth);
        }

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

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

        .faq-item p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-grid h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-grid p,
        .footer-grid a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: block;
            margin-bottom: 6px;
        }

        .footer-grid a:hover {
            color: var(--accent-primary);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 1.2rem;
            }

            .page-banner h1 {
                font-size: 2.2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.82rem;
            }

            .page-banner {
                padding: 120px 0 50px;
            }

            .page-banner h1 {
                font-size: 1.8rem;
            }

            .page-banner p {
                font-size: 1rem;
            }

            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .post-item {
                flex-direction: column;
            }

            .post-thumb {
                width: 100%;
                height: 160px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
            }

            .logo {
                font-size: 1.2rem;
            }

            .logo i {
                font-size: 1.5rem;
            }

            .page-banner h1 {
                font-size: 1.5rem;
            }

            .glass-card {
                padding: 22px 18px;
            }

            .cta-block {
                padding: 32px 20px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14,14,30,0.65);
            --accent-primary: #A3E635;
            --accent-secondary: #06B6D4;
            --accent-glow: rgba(163,230,53,0.45);
            --accent-glow-secondary: rgba(6,182,212,0.45);
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(163,230,53,0.15);
            --border-active: rgba(163,230,53,0.55);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --shadow-card: 0 10px 35px -12px rgba(0,0,0,0.7);
            --shadow-glow: 0 0 25px rgba(163,230,53,0.3);
            --shadow-glow-secondary: 0 0 25px rgba(6,182,212,0.35);
            --font-heading: 'Segoe UI', 'Roboto', system-ui, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            background-color: var(--bg-primary);
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            position: relative;
            margin: 0;
            padding: 0;
        }
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background: radial-gradient(circle at 30% 20%, rgba(6,182,212,0.08) 0%, transparent 55%),
                radial-gradient(circle at 75% 65%, rgba(163,230,53,0.06) 0%, transparent 55%);
            pointer-events: none;
            z-index: -2;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-smooth);
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding: 0 20px;
            max-width: 1240px;
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .logo i {
            color: var(--accent-primary);
            font-size: 2rem;
            filter: drop-shadow(0 0 12px var(--accent-glow));
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 2.2rem;
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-smooth);
            padding: 8px 0;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--accent-primary);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2.5px;
            background: var(--accent-primary);
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-primary);
            color: var(--accent-primary);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(163, 230, 53, 0.1);
            box-shadow: 0 0 18px var(--accent-glow);
        }
        .btn-signup {
            background: linear-gradient(135deg, #A3E635 0%, #84CC16 100%);
            border: none;
            color: #0A0E0D;
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.92rem;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-signup:hover {
            box-shadow: 0 0 32px var(--accent-glow);
            transform: translateY(-2px);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 6px;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            width: 100%;
            background: rgba(7, 7, 13, 0.96);
            backdrop-filter: blur(22px);
            flex-direction: column;
            gap: 1.5rem;
            padding: 28px 24px;
            border-bottom: 1px solid var(--border-subtle);
            z-index: 999;
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-secondary);
            padding: 6px 0;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-primary);
        }
        main {
            padding-top: 72px;
        }
        .section-padding {
            padding: 60px 0;
        }
        .hero-cat {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
        }
        .hero-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7,7,13,0.92) 0%, rgba(7,7,13,0.65) 100%);
            z-index: 1;
        }
        .hero-cat-content {
            position: relative;
            z-index: 2;
            max-width: 1240px;
            margin: 0 auto;
            padding: 40px 20px;
            width: 100%;
        }
        .hero-cat-badge {
            display: inline-block;
            background: var(--accent-primary);
            color: #0A0E0D;
            padding: 6px 18px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 0.8rem;
            letter-spacing: 1px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-glow);
        }
        .hero-cat h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 0 30px rgba(163,230,53,0.3);
        }
        .hero-cat p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .glow-btn {
            display: inline-block;
            background: linear-gradient(135deg, #A3E635, #06B6D4);
            border: none;
            color: #07070D;
            padding: 14px 38px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1rem;
            box-shadow: 0 0 30px var(--accent-glow);
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .glow-btn:hover {
            box-shadow: 0 0 45px var(--accent-glow);
            transform: translateY(-3px);
        }
        .card-glass {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-smooth);
        }
        .card-glass:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .card-icon {
            font-size: 2.4rem;
            color: var(--accent-primary);
            margin-bottom: 14px;
        }
        .card-glass h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 750;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .card-glass p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.5;
        }
        .promo-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            flex-direction: column;
            gap: 18px;
            transition: all var(--transition-smooth);
        }
        .promo-card:hover {
            border-color: var(--accent-secondary);
            box-shadow: var(--shadow-glow-secondary);
            transform: translateY(-5px);
        }
        .promo-tag {
            display: inline-block;
            background: rgba(6,182,212,0.18);
            color: var(--accent-secondary);
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 800;
            font-size: 0.8rem;
            letter-spacing: 0.5px;
        }
        .promo-card h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
        }
        .promo-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.5;
        }
        .promo-value {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(135deg, #A3E635, #06B6D4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .list-steps {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .list-steps li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }
        .list-steps li:last-child {
            border-bottom: none;
        }
        .step-num {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, #A3E635, #84CC16);
            color: #0A0E0D;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px var(--accent-glow);
        }
        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 750;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active {
            border-color: var(--border-active);
            box-shadow: 0 0 20px rgba(163,230,53,0.12);
        }
        .cta-strip {
            background: linear-gradient(135deg, rgba(6,182,212,0.12) 0%, rgba(163,230,53,0.08) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 44px 32px;
            text-align: center;
        }
        .site-footer {
            background: rgba(7, 7, 13, 0.9);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 28px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        .footer-grid h5 {
            font-weight: 750;
            color: var(--text-primary);
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-grid p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 8px;
        }
        .footer-grid a {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .footer-grid a:hover {
            color: var(--accent-primary);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .fab-left {
            position: fixed;
            left: 18px;
            bottom: 90px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(7,7,13,0.82);
            backdrop-filter: blur(14px);
            border: 2px solid var(--accent-secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-secondary);
            box-shadow: 0 0 22px var(--accent-glow-secondary);
            cursor: pointer;
            transition: all var(--transition-smooth);
            opacity: 0.82;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 34px var(--accent-glow-secondary);
        }
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 1.5rem;
            }
            .hero-cat h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-cat {
                min-height: 340px;
            }
            .hero-cat h1 {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 64px;
            }
            .logo {
                font-size: 1.2rem;
            }
            .logo i {
                font-size: 1.5rem;
            }
            .btn-login, .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .hero-cat h1 {
                font-size: 1.5rem;
            }
            .hero-cat p {
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .glow-btn {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }