/* roulang page: index */
:root {
            --bg-deep: #030712;
            --bg-card: rgba(15, 23, 42, 0.8);
            --bg-nav: rgba(3, 7, 18, 0.92);
            --primary-blue: #2563EB;
            --primary-cyan: #38BDF8;
            --accent-glow: rgba(37, 99, 235, 0.45);
            --text-main: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #60A5FA;
            --border-subtle: rgba(37, 99, 235, 0.25);
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px -12px rgba(0,0,0,0.6);
            --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.40);
            --glass-bg: rgba(15, 23, 42, 0.65);
            --glass-border: rgba(56, 189, 248, 0.18);
        }
        * { box-sizing: border-box; }
        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-cyan); text-decoration: none; transition: color 0.2s; }
        a:hover { color: #60A5FA; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
        /* Navigation */
        .nav-bar {
            background: var(--bg-nav);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(37,99,235,0.2);
            position: sticky;
            top: 0;
            z-index: 50;
            padding: 12px 0;
        }
        .nav-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i { color: var(--primary-blue); font-size: 1.8rem; }
        .menu-links { display: flex; gap: 28px; align-items: center; }
        .menu-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
        }
        .menu-links a.active, .menu-links a:hover { color: var(--primary-cyan); }
        .btn-nav {
            border-radius: 30px;
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.2s;
            border: 1px solid transparent;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--primary-blue);
            color: var(--text-main);
        }
        .btn-login:hover { background: rgba(37,99,235,0.15); color: #fff; }
        .btn-signup {
            background: var(--primary-blue);
            color: #fff;
            box-shadow: 0 0 15px rgba(37,99,235,0.5);
            border: none;
        }
        .btn-signup:hover { background: #1d4ed8; box-shadow: 0 0 20px rgba(37,99,235,0.7); }
        .mobile-toggle { display: none; background: transparent; border: none; color: #fff; font-size: 1.8rem; }
        /* Hero */
        .hero {
            padding: 70px 0 80px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(3,7,18,0.92) 0%, rgba(8,18,41,0.7) 100%);
            z-index: 1;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
        }
        .hero-text p { color: #CBD5E1; font-size: 1.1rem; margin-bottom: 30px; }
        .hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
        .btn-primary {
            background: var(--primary-blue);
            color: #fff;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            box-shadow: var(--shadow-glow);
            transition: 0.2s;
        }
        .btn-primary:hover { background: #1d4ed8; color: #fff; }
        .btn-outline {
            border: 1px solid var(--primary-cyan);
            color: #fff;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 600;
        }
        .hero-panel {
            background: rgba(15,23,42,0.7);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 24px;
        }
        .leaderboard-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(56,189,248,0.15);
            color: #E2E8F0;
        }
        .badge-hot {
            background: #DC2626;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
        }
        /* Sections */
        .section { padding: 70px 0; }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .section-sub {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 48px;
        }
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
        .content-feed {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .news-list .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(148,163,184,0.15);
        }
        .news-item img { width: 80px; height: 80px; border-radius: 12px; object-fit: cover; }
        .ranking-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 20px;
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 12px;
            border: 1px solid rgba(56,189,248,0.15);
            transition: all 0.25s;
            text-align: center;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 0 20px rgba(37,99,235,0.4);
            border-color: var(--primary-cyan);
        }
        .game-card img { border-radius: 12px; margin-bottom: 10px; }
        .platform-badge {
            background: rgba(37,99,235,0.2);
            color: #60A5FA;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
        }
        .footer {
            background: #020617;
            padding: 50px 0 20px;
            border-top: 1px solid rgba(37,99,235,0.25);
            color: #94A3B8;
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(7,7,13,0.8);
            backdrop-filter: blur(12px);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid #38BDF8;
            box-shadow: 0 0 20px rgba(6,182,212,0.45);
            color: #38BDF8;
            font-size: 1.6rem;
            transition: 0.2s;
        }
        .fab-left:hover { transform: scale(1.1); box-shadow: 0 0 28px #38BDF8; }
        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; }
            .content-feed { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .menu-links { display: none; flex-direction: column; width: 100%; background: #030712; padding: 16px; }
            .menu-links.open { display: flex; }
            .mobile-toggle { display: block; }
            .grid-2 { grid-template-columns: 1fr; }
            .hero-text h1 { font-size: 2rem; }
        }

/* roulang page: article */
:root {
            --bg-deep: #030712;
            --bg-card: rgba(15, 23, 42, 0.8);
            --bg-nav: rgba(3, 7, 18, 0.92);
            --primary-blue: #2563EB;
            --primary-cyan: #38BDF8;
            --accent-glow: rgba(37, 99, 235, 0.45);
            --text-main: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #60A5FA;
            --border-subtle: rgba(37, 99, 235, 0.25);
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px -12px rgba(0,0,0,0.6);
            --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.40);
            --glass-bg: rgba(15, 23, 42, 0.65);
            --glass-border: rgba(56, 189, 248, 0.18);
        }

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

        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary-cyan);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #60A5FA;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .nav-bar {
            background: var(--bg-nav);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(37,99,235,0.2);
            position: sticky;
            top: 0;
            z-index: 50;
            padding: 12px 0;
        }
        .nav-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i {
            color: var(--primary-blue);
            font-size: 1.8rem;
        }
        .menu-links {
            display: flex;
            gap: 28px;
            align-items: center;
        }
        .menu-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
        }
        .menu-links a.active,
        .menu-links a:hover {
            color: var(--primary-cyan);
        }
        .btn-nav {
            border-radius: 30px;
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.2s;
            border: 1px solid transparent;
            display: inline-block;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--primary-blue);
            color: var(--text-main);
        }
        .btn-login:hover {
            background: rgba(37,99,235,0.15);
            color: #fff;
        }
        .btn-signup {
            background: var(--primary-blue);
            color: #fff;
            box-shadow: 0 0 15px rgba(37,99,235,0.5);
            border: none;
        }
        .btn-signup:hover {
            background: #1d4ed8;
            box-shadow: 0 0 20px rgba(37,99,235,0.7);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.8rem;
        }

        /* Article Hero */
        .article-hero {
            padding: 60px 0 40px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(3,7,18,0.92) 0%, rgba(8,18,41,0.75) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
            margin: 0 auto;
            text-align: left;
        }
        .hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .article-meta i {
            color: var(--primary-cyan);
        }
        .category-tag {
            background: rgba(37,99,235,0.2);
            border: 1px solid var(--border-subtle);
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary-cyan);
        }

        /* Main Content */
        .article-main {
            padding: 50px 0 70px;
        }
        .article-body {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 40px 40px;
            color: #E2E8F0;
            font-size: 1.05rem;
            line-height: 1.75;
        }
        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-top: 36px;
            margin-bottom: 16px;
            border-left: 4px solid var(--primary-blue);
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #F1F5F9;
            margin-top: 28px;
            margin-bottom: 12px;
        }
        .article-body p {
            margin-bottom: 18px;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body strong {
            color: #fff;
        }
        .article-body img {
            border-radius: 12px;
            margin: 24px 0;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary-cyan);
            background: rgba(56,189,248,0.08);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 12px 12px 0;
            color: #CBD5E1;
            font-style: italic;
        }
        .not-found {
            text-align: center;
            padding: 80px 20px;
            color: var(--text-secondary);
        }
        .not-found i {
            font-size: 3rem;
            color: #DC2626;
            margin-bottom: 16px;
        }
        .not-found h2 {
            color: #fff;
            margin-bottom: 12px;
        }
        .btn-return {
            background: var(--primary-blue);
            color: #fff;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            display: inline-block;
            margin-top: 16px;
            transition: background 0.2s;
        }
        .btn-return:hover {
            background: #1d4ed8;
            color: #fff;
        }

        /* Related Section */
        .related-section {
            padding: 0 0 70px;
        }
        .related-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 32px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px -8px rgba(37,99,235,0.3);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card-body {
            padding: 16px 20px 20px;
        }
        .related-card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .related-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }
        .read-more {
            color: var(--primary-cyan);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .read-more i {
            font-size: 0.8rem;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(37,99,235,0.2) 0%, rgba(56,189,248,0.1) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 48px 36px;
            text-align: center;
            margin-bottom: 50px;
        }
        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: #CBD5E1;
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .btn-cta-glow {
            background: var(--primary-blue);
            color: #fff;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 0 20px rgba(37,99,235,0.55);
            transition: background 0.2s, box-shadow 0.2s;
            display: inline-block;
        }
        .btn-cta-glow:hover {
            background: #1d4ed8;
            box-shadow: 0 0 28px rgba(37,99,235,0.75);
            color: #fff;
        }

        /* Footer */
        .footer {
            background: rgba(3,7,18,0.95);
            border-top: 1px solid rgba(37,99,235,0.2);
            padding: 32px 0;
            margin-top: 40px;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .footer strong {
            color: #fff;
        }
        .footer p {
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .menu-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--bg-nav);
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(37,99,235,0.3);
            }
            .menu-links.active-mobile {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .article-body {
                padding: 24px 20px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #030712;
            --bg-card: rgba(15, 23, 42, 0.8);
            --bg-nav: rgba(3, 7, 18, 0.92);
            --primary-blue: #2563EB;
            --primary-cyan: #38BDF8;
            --accent-glow: rgba(37, 99, 235, 0.45);
            --text-main: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #60A5FA;
            --border-subtle: rgba(37, 99, 235, 0.25);
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px -12px rgba(0,0,0,0.6);
            --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.40);
            --glass-bg: rgba(15, 23, 42, 0.65);
            --glass-border: rgba(56, 189, 248, 0.18);
        }
        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-cyan); text-decoration: none; transition: color 0.2s; }
        a:hover { color: #60A5FA; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
        .nav-bar {
            background: var(--bg-nav);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(37,99,235,0.2);
            position: sticky;
            top: 0;
            z-index: 50;
            padding: 12px 0;
        }
        .nav-grid { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
        .logo { font-weight: 700; font-size: 1.5rem; color: var(--text-main); display: flex; align-items: center; gap: 8px; }
        .logo i { color: var(--primary-blue); font-size: 1.8rem; }
        .menu-links { display: flex; gap: 28px; align-items: center; }
        .menu-links a { color: var(--text-secondary); font-weight: 500; font-size: 0.95rem; transition: color 0.2s; }
        .menu-links a.active, .menu-links a:hover { color: var(--primary-cyan); }
        .btn-nav { border-radius: 30px; padding: 10px 22px; font-weight: 600; font-size: 0.9rem; transition: all 0.2s; border: 1px solid transparent; display: inline-block; }
        .btn-login { background: transparent; border: 1px solid var(--primary-blue); color: var(--text-main); }
        .btn-login:hover { background: rgba(37,99,235,0.15); color: #fff; }
        .btn-signup { background: var(--primary-blue); color: #fff; box-shadow: 0 0 15px rgba(37,99,235,0.5); border: none; }
        .btn-signup:hover { background: #1d4ed8; box-shadow: 0 0 20px rgba(37,99,235,0.7); }
        .mobile-toggle { display: none; background: transparent; border: none; color: #fff; font-size: 1.8rem; cursor: pointer; }
        .banner-cat {
            padding: 80px 0 70px;
            background-image: url('/assets/images/backpic/back-4.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .banner-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(3,7,18,0.94) 0%, rgba(8,18,41,0.75) 100%);
            z-index: 1;
        }
        .banner-inner { position: relative; z-index: 2; }
        .banner-inner h1 { font-size: 3rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
        .banner-inner p { color: #CBD5E1; font-size: 1.15rem; max-width: 700px; }
        .section { padding: 70px 0; }
        .section-dark { background: rgba(8,18,41,0.3); }
        .section-title { font-size: 2.2rem; font-weight: 700; margin-bottom: 16px; color: #fff; }
        .section-sub { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 40px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .card-glass {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: all 0.25s;
        }
        .card-glass:hover { border-color: var(--primary-cyan); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
        .card-glass h3 { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
        .card-glass p { color: #CBD5E1; font-size: 0.95rem; line-height: 1.6; }
        .step-row { display: flex; gap: 24px; align-items: flex-start; flex-wrap: wrap; }
        .step-item { flex: 1; min-width: 240px; background: var(--glass-bg); backdrop-filter: blur(8px); border: 1px solid var(--glass-border); border-radius: var(--radius-card); padding: 24px; position: relative; }
        .step-num { width: 48px; height: 48px; border-radius: 50%; background: var(--primary-blue); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.3rem; color: #fff; margin-bottom: 16px; box-shadow: 0 0 18px rgba(37,99,235,0.5); }
        .game-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .game-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-card); overflow: hidden; transition: all 0.25s; }
        .game-card:hover { border-color: var(--primary-cyan); box-shadow: 0 0 24px rgba(56,189,248,0.3); transform: translateY(-6px); }
        .game-card img { width: 100%; height: 180px; object-fit: cover; }
        .game-body { padding: 16px; }
        .game-body h4 { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
        .game-body span { font-size: 0.85rem; color: var(--text-muted); }
        .badge-rate { display: inline-block; background: #065F46; color: #A7F3D0; padding: 4px 12px; border-radius: 20px; font-weight: 700; font-size: 0.85rem; }
        .faq-item { border-bottom: 1px solid rgba(148,163,184,0.2); padding: 20px 0; }
        .faq-item h4 { color: #fff; font-weight: 700; font-size: 1.1rem; cursor: pointer; margin: 0; }
        .faq-item p { color: #CBD5E1; margin-top: 8px; display: none; }
        .faq-item.active p { display: block; }
        .cta-block {
            background: linear-gradient(135deg, rgba(37,99,235,0.15) 0%, rgba(8,18,41,0.8) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 48px;
            text-align: center;
        }
        .cta-block h2 { color: #fff; font-weight: 800; font-size: 2rem; }
        .btn-cta {
            display: inline-block;
            background: var(--primary-blue);
            color: #fff;
            padding: 16px 40px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            margin-top: 20px;
            box-shadow: var(--shadow-glow);
            transition: 0.2s;
        }
        .btn-cta:hover { background: #1d4ed8; color: #fff; }
        .footer { background: rgba(3,7,18,0.9); padding: 40px 0; color: #94A3B8; border-top: 1px solid rgba(37,99,235,0.25); }
        .footer a { color: var(--text-secondary); }
        .footer a:hover { color: #fff; }
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(7,7,13,0.8);
            backdrop-filter: blur(12px);
            border-radius: 50%;
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 20px rgba(6,182,212,0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            transition: 0.2s;
        }
        .fab-left:hover { box-shadow: 0 0 28px rgba(6,182,212,0.7); }
        .fab-left::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            padding: 2px;
            background: linear-gradient(135deg, #A3E635, #06B6D4);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
        }
        @media screen and (max-width: 1024px) {
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .game-grid { grid-template-columns: repeat(2, 1fr); }
            .banner-inner h1 { font-size: 2.4rem; }
        }
        @media screen and (max-width: 768px) {
            .menu-links { display: none; flex-direction: column; width: 100%; background: var(--bg-nav); padding: 20px; }
            .menu-links.active { display: flex; }
            .mobile-toggle { display: block; }
            .nav-grid { flex-wrap: wrap; }
            .grid-3 { grid-template-columns: 1fr; }
            .grid-2 { grid-template-columns: 1fr; }
            .game-grid { grid-template-columns: repeat(2, 1fr); }
            .banner-inner h1 { font-size: 2rem; }
            .section-title { font-size: 1.8rem; }
        }
        @media screen and (max-width: 520px) {
            .game-grid { grid-template-columns: 1fr; }
            .btn-nav { padding: 8px 16px; font-size: 0.8rem; }
            .banner-cat { padding: 50px 0; }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #030712;
            --bg-card: rgba(15, 23, 42, 0.8);
            --bg-nav: rgba(3, 7, 18, 0.92);
            --primary-blue: #2563EB;
            --primary-cyan: #38BDF8;
            --accent-glow: rgba(37, 99, 235, 0.45);
            --text-main: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #60A5FA;
            --border-subtle: rgba(37, 99, 235, 0.25);
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px -12px rgba(0,0,0,0.6);
            --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.40);
            --glass-bg: rgba(15, 23, 42, 0.65);
            --glass-border: rgba(56, 189, 248, 0.18);
        }

        * {
            box-sizing: border-box;
        }

        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary-cyan);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #60A5FA;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .nav-bar {
            background: var(--bg-nav);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(37,99,235,0.2);
            position: sticky;
            top: 0;
            z-index: 50;
            padding: 12px 0;
        }
        .nav-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i {
            color: var(--primary-blue);
            font-size: 1.8rem;
        }
        .menu-links {
            display: flex;
            gap: 28px;
            align-items: center;
        }
        .menu-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
        }
        .menu-links a.active,
        .menu-links a:hover {
            color: var(--primary-cyan);
        }
        .menu-links a.btn-nav {
            border-radius: 30px;
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.2s;
            border: 1px solid transparent;
            line-height: 1.4;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--primary-blue) !important;
            color: var(--text-main);
        }
        .btn-login:hover {
            background: rgba(37,99,235,0.15);
            color: #fff;
        }
        .btn-signup {
            background: var(--primary-blue);
            color: #fff;
            box-shadow: 0 0 15px rgba(37,99,235,0.5);
            border: none !important;
        }
        .btn-signup:hover {
            background: #1d4ed8;
            box-shadow: 0 0 20px rgba(37,99,235,0.7);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Banner */
        .category-banner {
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            padding: 60px 0;
            position: relative;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(3, 7, 18, 0.85);
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .category-info h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .category-info p {
            font-size: 1.1rem;
            color: #CBD5E1;
            max-width: 700px;
        }

        /* Section */
        .section {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .section-sub {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 48px;
        }

        /* Game Grid */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 24px;
        }
        .game-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: 0.2s;
            text-align: center;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
            border-color: var(--primary-cyan);
        }
        .game-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: 12px;
            margin-bottom: 12px;
        }
        .game-card h3 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
        }
        .game-card .tag {
            display: inline-block;
            background: rgba(37,99,235,0.2);
            color: var(--primary-cyan);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin: 8px 0;
        }

        /* Benefit List */
        .benefit-stack {
            display: flex;
            flex-direction: column;
            gap: 24px;
            max-width: 700px;
            margin: 0 auto;
        }
        .benefit-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: rgba(15, 23, 42, 0.6);
            border-left: 4px solid var(--primary-blue);
            padding: 20px 24px;
            border-radius: 12px;
        }

        /* Payment Badges */
        .badge-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: flex-start;
            margin-top: 16px;
        }
        .payment-badge {
            background: #1E293B;
            color: #E2E8F0;
            border: 1px solid #334155;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        .payment-badge i {
            margin-right: 6px;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid rgba(148,163,184,0.2);
            padding: 20px 0;
        }
        .faq-item h4 {
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            cursor: pointer;
        }
        .faq-item p {
            color: #94A3B8;
        }

        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, #0F172A, #1D2C5E);
            border-radius: 24px;
            padding: 50px 40px;
            text-align: left;
        }

        /* Footer */
        .footer {
            background: #020617;
            border-top: 1px solid rgba(37,99,235,0.25);
            padding: 40px 0;
            text-align: center;
            color: #64748B;
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .game-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-grid {
                flex-wrap: wrap;
            }
            .menu-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 16px;
                margin-top: 16px;
            }
            .menu-links.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .category-banner h1 {
                font-size: 2rem;
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer .container {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .game-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 30px 20px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #030712;
            --bg-card: rgba(15, 23, 42, 0.8);
            --bg-nav: rgba(3, 7, 18, 0.92);
            --primary-blue: #2563EB;
            --primary-cyan: #38BDF8;
            --accent-glow: rgba(37, 99, 235, 0.45);
            --text-main: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #60A5FA;
            --border-subtle: rgba(37, 99, 235, 0.25);
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px -12px rgba(0,0,0,0.6);
            --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.40);
            --glass-bg: rgba(15, 23, 42, 0.65);
            --glass-border: rgba(56, 189, 248, 0.18);
        }
        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-cyan); text-decoration: none; transition: color 0.2s; }
        a:hover { color: #60A5FA; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
        .nav-bar {
            background: var(--bg-nav);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(37,99,235,0.2);
            position: sticky;
            top: 0;
            z-index: 50;
            padding: 12px 0;
        }
        .nav-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i { color: var(--primary-blue); font-size: 1.8rem; }
        .menu-links { display: flex; gap: 28px; align-items: center; }
        .menu-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
        }
        .menu-links a.active, .menu-links a:hover { color: var(--primary-cyan); }
        .btn-nav {
            border-radius: 30px;
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.2s;
            border: 1px solid transparent;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--primary-blue);
            color: var(--text-main);
        }
        .btn-login:hover { background: rgba(37,99,235,0.15); color: #fff; }
        .btn-signup {
            background: var(--primary-blue);
            color: #fff;
            box-shadow: 0 0 15px rgba(37,99,235,0.5);
            border: none;
        }
        .btn-signup:hover { background: #1d4ed8; box-shadow: 0 0 20px rgba(37,99,235,0.7); }
        .mobile-toggle { display: none; background: transparent; border: none; color: #fff; font-size: 1.8rem; }
        .hero {
            padding: 70px 0 80px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(3,7,18,0.92) 0%, rgba(8,18,41,0.7) 100%);
            z-index: 1;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
        }
        .hero-text p { color: #CBD5E1; font-size: 1.1rem; margin-bottom: 30px; }
        .hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
        .btn-primary {
            background: var(--primary-blue);
            color: #fff;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            box-shadow: var(--shadow-glow);
            transition: 0.2s;
            display: inline-block;
        }
        .btn-primary:hover { background: #1d4ed8; color: #fff; }
        .btn-outline {
            border: 1px solid var(--primary-cyan);
            color: #fff;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 600;
            display: inline-block;
        }
        .btn-outline:hover { background: rgba(37,99,235,0.2); color: #fff; }
        .hero-panel {
            background: rgba(15,23,42,0.7);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 24px;
        }
        .leaderboard-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(56,189,248,0.15);
            color: #E2E8F0;
        }
        .section { padding: 70px 0; }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
            text-align: left;
        }
        .section-sub {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 48px;
            text-align: left;
        }
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .glass-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px -8px rgba(37,99,235,0.25); }
        .step-card {
            background: rgba(15,23,42,0.7);
            border-left: 4px solid var(--primary-blue);
            border-radius: 0 12px 12px 0;
            padding: 20px;
            margin-bottom: 24px;
        }
        .step-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-blue);
        }
        .info-card {
            background: rgba(37,99,235,0.1);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 16px;
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .info-card i { font-size: 1.8rem; color: var(--primary-cyan); }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(148,163,184,0.15);
            align-items: center;
        }
        .news-item img { width: 80px; height: 80px; border-radius: 12px; object-fit: cover; }
        .platform-tag {
            display: inline-block;
            background: rgba(37,99,235,0.2);
            color: var(--primary-cyan);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            margin-bottom: 16px;
            padding: 20px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .faq-item:hover { background: rgba(37,99,235,0.15); }
        .faq-question { font-weight: 700; display: flex; justify-content: space-between; align-items: center; }
        .faq-answer { margin-top: 12px; color: var(--text-secondary); display: none; }
        .faq-item.open .faq-answer { display: block; }
        .cta-section {
            background: linear-gradient(135deg, rgba(37,99,235,0.2) 0%, rgba(3,7,18,0.9) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: 24px;
            padding: 50px;
            text-align: center;
        }
        .footer {
            background: rgba(3,7,18,0.98);
            border-top: 1px solid rgba(37,99,235,0.3);
            padding: 30px 0;
            margin-top: 60px;
        }
        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; }
            .hero-text h1 { font-size: 2.4rem; }
            .grid-2 { grid-template-columns: 1fr; }
            .grid-3 { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .menu-links { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: var(--bg-nav); padding: 20px; border-bottom: 1px solid var(--border-subtle); }
            .menu-links.open { display: flex; }
            .mobile-toggle { display: block; }
            .grid-3 { grid-template-columns: 1fr; }
            .hero-text h1 { font-size: 2rem; }
            .cta-section { padding: 30px 20px; }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #030712;
            --bg-card: rgba(15, 23, 42, 0.8);
            --bg-nav: rgba(3, 7, 18, 0.92);
            --primary-blue: #2563EB;
            --primary-cyan: #38BDF8;
            --accent-glow: rgba(37, 99, 235, 0.45);
            --text-main: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #60A5FA;
            --border-subtle: rgba(37, 99, 235, 0.25);
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 10px 30px -12px rgba(0,0,0,0.6);
            --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.40);
            --glass-bg: rgba(15, 23, 42, 0.65);
            --glass-border: rgba(56, 189, 248, 0.18);
        }

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

        body {
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary-cyan);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #60A5FA;
            text-decoration: none;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .nav-bar {
            background: var(--bg-nav);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(37,99,235,0.2);
            position: sticky;
            top: 0;
            z-index: 50;
            padding: 12px 0;
        }

        .nav-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            color: var(--primary-blue);
            font-size: 1.8rem;
        }

        .menu-links {
            display: flex;
            gap: 28px;
            align-items: center;
        }

        .menu-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
        }

        .menu-links a.active,
        .menu-links a:hover {
            color: var(--primary-cyan);
        }

        .btn-nav {
            border-radius: 30px;
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--primary-blue);
            color: var(--text-main);
        }

        .btn-login:hover {
            background: rgba(37,99,235,0.15);
            color: #fff;
        }

        .btn-signup {
            background: var(--primary-blue);
            color: #fff;
            box-shadow: 0 0 15px rgba(37,99,235,0.5);
            border: none;
        }

        .btn-signup:hover {
            background: #1d4ed8;
            box-shadow: 0 0 20px rgba(37,99,235,0.7);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Page Header */
        .page-header {
            padding: 60px 0 40px;
            background: linear-gradient(180deg, rgba(8,18,41,0.5) 0%, var(--bg-deep) 100%);
            border-bottom: 1px solid var(--border-subtle);
        }

        .page-header h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .page-header .subtitle {
            color: var(--text-secondary);
            font-size: 1.15rem;
            max-width: 800px;
        }

        /* Section Common */
        .section {
            padding: 60px 0;
        }

        .section-dark {
            background: rgba(8, 18, 41, 0.3);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            text-align: left;
        }

        .section-sub {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 36px;
            text-align: left;
        }

        /* Hero Metrics */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .metric-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: left;
            transition: all 0.3s;
        }

        .metric-card:hover {
            border-color: var(--primary-cyan);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .metric-icon {
            font-size: 2.2rem;
            color: var(--primary-cyan);
            margin-bottom: 12px;
        }

        .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }

        .metric-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

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

        .strategy-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 30px 24px;
            text-align: left;
            transition: all 0.3s;
        }

        .strategy-card:hover {
            border-color: var(--primary-cyan);
            box-shadow: 0 8px 25px rgba(37,99,235,0.2);
            transform: translateY(-3px);
        }

        .strategy-num {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-blue);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 12px;
        }

        .strategy-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .strategy-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* Tips List */
        .tips-list {
            list-style: none;
            padding: 0;
        }

        .tips-list li {
            display: flex;
            gap: 14px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(148,163,184,0.1);
            align-items: flex-start;
            text-align: left;
        }

        .tips-list li:last-child {
            border-bottom: none;
        }

        .tip-icon {
            width: 42px;
            height: 42px;
            min-width: 42px;
            background: rgba(37,99,235,0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-cyan);
            font-size: 1.1rem;
        }

        .tip-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .tip-content p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
            margin: 0;
        }

        /* Mistakes */
        .mistake-card {
            background: rgba(220, 38, 38, 0.08);
            border: 1px solid rgba(220, 38, 38, 0.25);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: left;
            transition: all 0.3s;
        }

        .mistake-card:hover {
            border-color: rgba(220, 38, 38, 0.5);
            box-shadow: 0 0 20px rgba(220,38,38,0.15);
        }

        .mistake-card h3 {
            color: #EF4444;
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .mistake-card p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
            margin: 0;
        }

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

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s;
            text-align: left;
        }

        .news-card:hover {
            border-color: var(--primary-cyan);
            box-shadow: 0 8px 25px rgba(37,99,235,0.2);
            transform: translateY(-4px);
        }

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

        .news-card-body {
            padding: 18px;
        }

        .news-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-card-body .meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-card-body p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.5;
            margin: 0;
        }

        /* FAQ */
        .faq-list details {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 20px 24px;
            margin-bottom: 12px;
            text-align: left;
            transition: all 0.2s;
            cursor: pointer;
        }

        .faq-list details:hover {
            border-color: var(--primary-cyan);
        }

        .faq-list summary {
            font-weight: 700;
            font-size: 1.05rem;
            color: #fff;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            outline: none;
        }

        .faq-list summary::-webkit-details-marker {
            display: none;
        }

        .faq-list summary i {
            color: var(--primary-cyan);
            font-size: 0.9rem;
            transition: transform 0.2s;
        }

        .faq-list details[open] summary i {
            transform: rotate(180deg);
        }

        .faq-list .faq-answer {
            margin-top: 14px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.65;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(37,99,235,0.15) 0%, rgba(56,189,248,0.08) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 50px 40px;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-primary {
            background: var(--primary-blue);
            color: #fff;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            box-shadow: var(--shadow-glow);
            transition: 0.2s;
            display: inline-block;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-primary:hover {
            background: #1d4ed8;
            color: #fff;
            box-shadow: 0 0 30px rgba(37,99,235,0.7);
        }

        .btn-outline {
            border: 1px solid var(--primary-cyan);
            color: #fff;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 600;
            display: inline-block;
            transition: 0.2s;
            font-size: 1rem;
        }

        .btn-outline:hover {
            background: rgba(56,189,248,0.1);
            color: #fff;
            border-color: #fff;
        }

        /* Footer */
        .footer {
            background: rgba(3,7,18,0.95);
            border-top: 1px solid rgba(37,99,235,0.2);
            padding: 40px 0;
            margin-top: 40px;
        }

        .footer-grid {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }

        .footer-brand strong {
            color: #fff;
            font-size: 1.2rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        .footer-copy {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 16px;
        }

        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            min-width: 56px;
            min-height: 56px;
            background: rgba(7,7,13,0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, #A3E635, #06B6D4) 1;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.6rem;
            box-shadow: 0 0 20px rgba(6,182,212,0.45);
            cursor: pointer;
            transition: all 0.3s;
            animation: fabPulse 2.5s infinite;
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(6,182,212,0.7);
            border-image: linear-gradient(135deg, #EC4899, #2563EB) 1;
        }

        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 20px rgba(6,182,212,0.45); }
            50% { box-shadow: 0 0 35px rgba(6,182,212,0.7); }
        }

        .fab-noti {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #EF4444;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: blink 1s infinite;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .strategy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-header h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .menu-links {
                display: none;
                flex-direction: column;
                gap: 12px;
                width: 100%;
                padding-top: 16px;
            }
            .menu-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .metrics-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .page-header h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: 30px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .metrics-row {
                grid-template-columns: 1fr;
            }
            .metric-value {
                font-size: 1.8rem;
            }
            .btn-primary, .btn-outline {
                width: 100%;
                text-align: center;
            }
        }