/* roulang page: index */
:root {
            --pri-gold: #FFD700;
            --pri-red: #D32F2F;
            --pri-dark: #0A2E1C;
            --pri-forest: #123E25;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #C5A059;
            --bg-card: rgba(10,46,28,0.7);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.18);
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        body{font-family:'Segoe UI','Inter',system-ui,-apple-system,sans-serif;background:var(--pri-dark);color:var(--text-white);line-height:1.6;overflow-x:hidden;min-height:100vh}
        .container{max-width:1240px;margin:0 auto;padding:0 20px}
        a{color:var(--pri-gold);text-decoration:none;transition:var(--transition)}
        a:hover{color:var(--text-mint)}
        img{max-width:100%;height:auto;display:block}
        button,input{font-family:inherit;border:none;outline:none;cursor:pointer}

        /* Header & Navigation */
        .site-header{position:fixed;top:0;left:0;width:100%;z-index:100;background:rgba(10,46,28,0.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,215,0,0.15);padding:14px 0}
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
        .logo{font-size:1.25rem;font-weight:700;color:var(--pri-gold);letter-spacing:-0.3px;white-space:nowrap;display:flex;align-items:center;gap:8px}
        .logo span{color:var(--text-mint);font-size:0.85rem;font-weight:400}
        .nav-links{display:flex;align-items:center;gap:28px}
        .nav-links a{color:var(--text-mint);font-weight:500;font-size:0.95rem;position:relative;padding:4px 0;transition:var(--transition)}
        .nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--pri-gold);transition:var(--transition);border-radius:2px}
        .nav-links a:hover::after,.nav-links a.active::after{width:100%}
        .nav-links a.active{color:var(--pri-gold)}
        .nav-actions{display:flex;align-items:center;gap:12px}
        .btn-nav-login{background:transparent;color:var(--text-mint);font-weight:600;padding:8px 20px;border-radius:24px;border:1.5px solid var(--text-mint);font-size:0.9rem;transition:var(--transition)}
        .btn-nav-login:hover{background:var(--text-mint);color:var(--pri-dark)}
        .btn-nav-signup{background:var(--pri-gold);color:var(--pri-dark);font-weight:700;padding:9px 24px;border-radius:24px;font-size:0.9rem;box-shadow:var(--shadow-gold);transition:var(--transition)}
        .btn-nav-signup:hover{background:#FFE44D;box-shadow:0 6px 28px rgba(255,215,0,0.3);transform:translateY(-1px)}
        .mobile-toggle{display:none;background:none;color:var(--pri-gold);font-size:1.8rem;padding:4px 8px;border-radius:6px}
        @media(max-width:860px){
            .nav-links{display:none;flex-direction:column;position:absolute;top:100%;left:0;width:100%;background:rgba(10,46,28,0.97);backdrop-filter:blur(20px);padding:20px 24px;gap:18px;border-bottom:2px solid var(--pri-gold)}
            .nav-links.open{display:flex}
            .mobile-toggle{display:block}
            .nav-actions{gap:8px}
            .btn-nav-login{padding:7px 16px;font-size:0.82rem}
            .btn-nav-signup{padding:8px 18px;font-size:0.82rem}
            .logo{font-size:1.05rem}
        }

        /* Hero Section */
        .hero{background:linear-gradient(135deg, rgba(10,46,28,0.85) 0%, rgba(18,62,37,0.78) 100%),url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;min-height:100vh;display:flex;align-items:center;padding:130px 0 80px;position:relative}
        .hero::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:80px;background:linear-gradient(transparent,var(--pri-dark))}
        .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;position:relative;z-index:1}
        .hero-text h1{font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:22px;color:var(--pri-gold)}
        .hero-text p{font-size:1.15rem;color:var(--text-mint);line-height:1.7;margin-bottom:28px;max-width:520px}
        .hero-badges{display:flex;gap:16px;flex-wrap:wrap}
        .badge{background:rgba(255,215,0,0.12);border:1px solid rgba(255,215,0,0.35);border-radius:40px;padding:8px 18px;color:var(--pri-gold);font-weight:600;font-size:0.9rem}
        .hero-form{background:var(--bg-card);backdrop-filter:blur(14px);border-radius:var(--radius-lg);padding:36px 32px;border:1px solid rgba(255,215,0,0.25);box-shadow:0 12px 40px rgba(0,0,0,0.35)}
        .hero-form h3{font-size:1.4rem;font-weight:700;margin-bottom:8px;color:var(--pri-gold)}
        .hero-form p{color:var(--text-mint);margin-bottom:20px;font-size:0.92rem}
        .form-group{margin-bottom:16px}
        .form-group label{display:block;color:var(--text-mint);font-weight:500;margin-bottom:6px;font-size:0.9rem}
        .form-group input{width:100%;padding:12px 16px;border-radius:28px;border:1.5px solid rgba(255,215,0,0.3);background:rgba(0,0,0,0.3);color:#fff;font-size:1rem;transition:var(--transition)}
        .form-group input::placeholder{color:rgba(209,242,235,0.55)}
        .form-group input:focus{border-color:var(--pri-gold);box-shadow:0 0 0 4px rgba(255,215,0,0.1)}
        .btn-submit{width:100%;background:var(--pri-red);color:#fff;font-weight:700;padding:14px;border-radius:28px;font-size:1.05rem;transition:var(--transition);box-shadow:0 4px 18px rgba(211,47,47,0.35)}
        .btn-submit:hover{background:#E53935;transform:translateY(-2px)}
        .privacy-note{font-size:0.78rem;color:rgba(209,242,235,0.6);text-align:center;margin-top:14px}
        @media(max-width:920px){
            .hero-grid{grid-template-columns:1fr;gap:40px}
            .hero-text h1{font-size:2.2rem}
            .hero-text p{font-size:1rem}
            .hero{padding:120px 0 60px;min-height:auto}
            .hero-form{padding:26px 20px}
        }

        /* Section Styles */
        section{padding:80px 0}
        .section-label{color:var(--pri-gold);font-weight:700;font-size:0.9rem;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:10px}
        .section-title{font-size:2.2rem;font-weight:800;color:#fff;margin-bottom:16px;line-height:1.25}
        .section-desc{color:var(--text-mint);font-size:1.05rem;max-width:680px;line-height:1.65;margin-bottom:36px}

        /* Latest Updates */
        .updates-grid{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}
        .updates-list{display:flex;flex-direction:column;gap:16px}
        .update-item{display:flex;gap:16px;padding:18px 20px;background:rgba(255,255,255,0.03);border-radius:var(--radius-md);border:1px solid rgba(255,215,0,0.1);transition:var(--transition);align-items:center}
        .update-item:hover{border-color:var(--pri-gold);background:rgba(255,215,0,0.04)}
        .update-thumb{width:80px;height:60px;border-radius:8px;overflow:hidden;flex-shrink:0;background:var(--pri-forest)}
        .update-thumb img{width:100%;height:100%;object-fit:cover}
        .update-info h4{font-size:1.05rem;font-weight:700;color:#fff;margin-bottom:4px}
        .update-info h4:hover{color:var(--pri-gold)}
        .update-meta{font-size:0.82rem;color:var(--text-mint);display:flex;gap:14px}
        .sidebar-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:28px 24px;border:1px solid rgba(255,215,0,0.2)}
        .sidebar-card h3{color:var(--pri-gold);font-size:1.3rem;margin-bottom:14px}
        .sidebar-links{display:flex;flex-direction:column;gap:12px}
        .sidebar-links a{display:flex;align-items:center;gap:10px;padding:12px 16px;background:rgba(255,255,255,0.04);border-radius:28px;color:var(--text-mint);font-weight:500;transition:var(--transition)}
        .sidebar-links a:hover{background:rgba(255,215,0,0.1);color:var(--pri-gold)}
        @media(max-width:860px){
            .updates-grid{grid-template-columns:1fr}
            .section-title{font-size:1.7rem}
        }

        /* Quick Answers */
        .qa-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
        .qa-card{background:rgba(255,255,255,0.03);border-radius:var(--radius-md);padding:22px 20px;border:1px solid rgba(255,215,0,0.12);transition:var(--transition)}
        .qa-card:hover{border-color:var(--pri-gold);background:rgba(255,215,0,0.03)}
        .qa-card h3{font-size:1.1rem;font-weight:700;color:var(--pri-gold);margin-bottom:10px}
        .qa-card p{color:var(--text-mint);font-size:0.92rem;line-height:1.6}

        /* Topic Grid */
        .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
        .topic-card{border-radius:var(--radius-lg);overflow:hidden;position:relative;background:var(--pri-forest);min-height:210px;display:flex;align-items:flex-end;padding:24px;transition:var(--transition)}
        .topic-card:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(0,0,0,0.35)}
        .topic-card::before{content:'';position:absolute;inset:0;background:linear-gradient(transparent 40%,rgba(0,0,0,0.75));z-index:0}
        .topic-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1}
        .topic-card-content{position:relative;z-index:1}
        .topic-card h4{color:#fff;font-weight:700;font-size:1.2rem}
        .topic-card span{color:var(--pri-gold);font-size:0.85rem;font-weight:600}
        @media(max-width:860px){.topic-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){.topic-grid{grid-template-columns:1fr}}

        /* Safety Section */
        .safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        .safety-item{text-align:left;padding:24px;background:rgba(255,255,255,0.03);border-radius:var(--radius-md);border:1px solid rgba(255,215,0,0.1);transition:var(--transition)}
        .safety-item:hover{border-color:var(--pri-gold)}
        .safety-icon{font-size:2rem;color:var(--pri-gold);margin-bottom:12px}
        .safety-item h4{font-weight:700;font-size:1.05rem;color:#fff;margin-bottom:8px}
        .safety-item p{color:var(--text-mint);font-size:0.88rem;line-height:1.55}
        @media(max-width:860px){.safety-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){.safety-grid{grid-template-columns:1fr}}

        /* Testimonials */
        .testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
        .testimonial-bubble{background:rgba(255,255,255,0.03);border-radius:var(--radius-lg);padding:24px;border:1px solid rgba(255,215,0,0.14)}
        .testimonial-avatar{width:48px;height:48px;border-radius:50%;background:var(--pri-gold);display:flex;align-items:center;justify-content:center;color:var(--pri-dark);font-weight:700;font-size:1.2rem;margin-bottom:14px}
        .testimonial-bubble p{color:var(--text-mint);font-size:0.9rem;margin-bottom:14px;line-height:1.6}
        .testimonial-author{color:var(--pri-gold);font-weight:600;font-size:0.88rem}
        @media(max-width:860px){.testimonial-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){.testimonial-grid{grid-template-columns:1fr}}

        /* Entry Matrix */
        .entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .entry-btn{background:rgba(255,215,0,0.08);border:1.5px solid rgba(255,215,0,0.25);border-radius:var(--radius-md);padding:20px 16px;text-align:left;color:var(--pri-gold);font-weight:700;font-size:1rem;transition:var(--transition);display:flex;align-items:center;gap:10px}
        .entry-btn:hover{background:rgba(255,215,0,0.16);border-color:var(--pri-gold);transform:translateY(-2px)}
        .entry-btn i{font-size:1.4rem}
        @media(max-width:860px){.entry-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){.entry-grid{grid-template-columns:1fr}}

        /* Download CTA */
        .download-cta{background:linear-gradient(135deg,var(--pri-forest),var(--pri-dark));border-radius:var(--radius-lg);padding:50px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;border:1px solid rgba(255,215,0,0.25)}
        .download-cta h2{font-size:2rem;font-weight:800;color:#fff}
        .download-cta p{color:var(--text-mint);font-size:1rem;margin-top:8px}
        .btn-download{background:var(--pri-gold);color:var(--pri-dark);font-weight:700;padding:14px 36px;border-radius:32px;font-size:1.1rem;box-shadow:0 8px 28px rgba(255,215,0,0.25);transition:var(--transition);white-space:nowrap}
        .btn-download:hover{background:#FFE44D;transform:translateY(-2px);box-shadow:0 12px 36px rgba(255,215,0,0.4)}
        @media(max-width:600px){.download-cta{padding:36px 24px;flex-direction:column;text-align:center}}

        /* Footer */
        .site-footer{background:rgba(0,0,0,0.4);border-top:2px solid rgba(255,215,0,0.2);padding:40px 0 20px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
        .footer-col h4{color:var(--pri-gold);font-weight:700;margin-bottom:14px;font-size:1rem}
        .footer-col a{display:block;color:var(--text-mint);font-size:0.9rem;margin-bottom:8px;transition:var(--transition)}
        .footer-col a:hover{color:var(--pri-gold)}
        .footer-bottom{text-align:center;color:var(--text-mint);font-size:0.82rem;padding-top:20px;border-top:1px solid rgba(255,215,0,0.12)}
        @media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){.footer-grid{grid-template-columns:1fr}}

        /* FAB */
        .fab{position:fixed;left:1rem;bottom:6rem;z-index:50;width:52px;height:52px;border-radius:50%;background:linear-gradient(145deg,#C5A059,#FFD700);border:3px solid #B8942E;box-shadow:0 4px 20px rgba(255,215,0,0.3);display:flex;align-items:center;justify-content:center;color:var(--pri-dark);font-size:1.5rem;cursor:pointer;transition:var(--transition);animation:float 3s ease-in-out infinite}
        .fab::after{content:'';position:absolute;top:-4px;right:-4px;width:14px;height:14px;background:var(--pri-red);border-radius:50%;animation:blink 1.4s infinite}
        .fab:hover{transform:scale(1.12);opacity:1;box-shadow:0 8px 32px rgba(255,215,0,0.45)}
        @keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
        @keyframes blink{0%,100%{opacity:1}50%{opacity:0.3}}

/* roulang page: article */
:root {
            --pri-gold: #FFD700;
            --pri-red: #D32F2F;
            --pri-dark: #0A2E1C;
            --pri-forest: #123E25;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #C5A059;
            --bg-card: rgba(10,46,28,0.7);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.18);
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--pri-dark);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        a:hover {
            color: var(--text-mint);
        }

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

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            cursor: pointer;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            padding: 14px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--pri-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo span {
            color: var(--text-mint);
            font-size: 0.85rem;
            font-weight: 400;
        }

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

        .nav-links a {
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 4px 0;
            transition: var(--transition);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--pri-gold);
            transition: var(--transition);
            border-radius: 2px;
        }

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

        .nav-links a.active {
            color: var(--pri-gold);
        }

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

        .btn-nav-login {
            background: transparent;
            color: var(--text-mint);
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 24px;
            border: 1.5px solid var(--text-mint);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-nav-login:hover {
            background: var(--text-mint);
            color: var(--pri-dark);
        }

        .btn-nav-signup {
            background: var(--pri-gold);
            color: var(--pri-dark);
            font-weight: 700;
            padding: 9px 24px;
            border-radius: 24px;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
        }

        .btn-nav-signup:hover {
            background: #FFE44D;
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.3);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            color: var(--pri-gold);
            font-size: 1.8rem;
            padding: 4px 8px;
            border-radius: 6px;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.97);
                backdrop-filter: blur(20px);
                padding: 20px 24px;
                gap: 18px;
                border-bottom: 2px solid var(--pri-gold);
            }

            .nav-links.open {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .nav-actions {
                gap: 8px;
            }

            .btn-nav-login {
                padding: 7px 16px;
                font-size: 0.82rem;
            }

            .btn-nav-signup {
                padding: 8px 18px;
                font-size: 0.82rem;
            }

            .logo {
                font-size: 1.05rem;
            }
        }

        .article-banner {
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.85) 0%, rgba(18, 62, 37, 0.78) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            min-height: 50vh;
            display: flex;
            align-items: center;
            padding: 130px 0 60px;
            position: relative;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: linear-gradient(transparent, var(--pri-dark));
        }

        .article-banner-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .article-banner-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--pri-gold);
        }

        .article-banner-content .meta {
            display: flex;
            gap: 20px;
            color: var(--text-mint);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }

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

        .hot-badge {
            background: var(--pri-red);
            color: #fff;
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.82rem;
            display: inline-block;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            .article-banner-content h1 {
                font-size: 1.8rem;
            }

            .article-banner {
                min-height: auto;
                padding: 120px 0 50px;
            }

            .article-banner-content .meta {
                gap: 12px;
                font-size: 0.82rem;
            }
        }

        .article-body {
            padding: 60px 0;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 50px;
            align-items: start;
        }

        .article-content {
            background: rgba(255, 255, 255, 0.02);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid rgba(255, 215, 0, 0.12);
        }

        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--pri-gold);
            margin: 28px 0 14px;
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #fff;
            margin: 22px 0 10px;
        }

        .article-content p {
            color: var(--text-mint);
            margin-bottom: 16px;
            font-size: 1rem;
            line-height: 1.7;
        }

        .article-content ul,
        .article-content ol {
            color: var(--text-mint);
            margin: 12px 0 20px 24px;
            line-height: 1.7;
        }

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

        .article-content blockquote {
            border-left: 4px solid var(--pri-gold);
            background: rgba(255, 215, 0, 0.05);
            padding: 18px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-mint);
            font-size: 1.05rem;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
        }

        .not-found-state {
            text-align: left;
            padding: 60px 30px;
            background: rgba(255, 255, 255, 0.02);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 215, 0, 0.12);
        }

        .not-found-state h2 {
            font-size: 1.8rem;
            color: var(--pri-gold);
            margin-bottom: 14px;
        }

        .not-found-state p {
            color: var(--text-mint);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }

        .btn-back {
            display: inline-block;
            background: var(--pri-gold);
            color: var(--pri-dark);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-gold);
        }

        .btn-back:hover {
            background: #FFE44D;
            color: var(--pri-dark);
            transform: translateY(-2px);
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .sidebar-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .sidebar-card h3 {
            color: var(--pri-gold);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .sidebar-card p {
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .sidebar-card .highlight-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--pri-gold);
            line-height: 1;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--pri-red), #B71C1C);
            color: #fff;
            font-weight: 700;
            padding: 14px 20px;
            border-radius: 28px;
            text-align: center;
            display: block;
            transition: var(--transition);
            box-shadow: 0 6px 22px rgba(211, 47, 47, 0.35);
            font-size: 1rem;
        }

        .sidebar-cta:hover {
            background: #E53935;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(211, 47, 47, 0.5);
        }

        @media (max-width: 968px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .article-content {
                padding: 28px 20px;
            }

            .article-content h2 {
                font-size: 1.5rem;
            }
        }

        .cta-section {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.06), rgba(18, 62, 37, 0.5));
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            padding: 60px 0;
            text-align: left;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-text p {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 500px;
        }

        .btn-cta-large {
            background: var(--pri-gold);
            color: var(--pri-dark);
            font-weight: 700;
            padding: 16px 36px;
            border-radius: 32px;
            font-size: 1.1rem;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-cta-large:hover {
            background: #FFE44D;
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(255, 215, 0, 0.35);
        }

        @media (max-width: 768px) {
            .cta-inner {
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }

            .cta-text h2 {
                font-size: 1.5rem;
            }
        }

        .site-footer {
            background: #061A10;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
        }

        .footer-col h4 {
            color: var(--pri-gold);
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 1.05rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--pri-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 215, 0, 0.12);
            color: var(--text-mint);
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAB Left - Classic Royal Style */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A, #0A0A0A);
            border: 2.5px solid var(--pri-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            animation: float-fab 2.8s ease-in-out infinite;
            opacity: 0.85;
            text-decoration: none;
            color: var(--pri-gold);
            font-size: 1.6rem;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
            animation-play-state: paused;
        }

        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }

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

/* roulang page: category1 */
:root {
            --pri-gold: #FFD700;
            --pri-red: #D32F2F;
            --pri-dark: #0A2E1C;
            --pri-forest: #123E25;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #C5A059;
            --bg-card: rgba(10,46,28,0.7);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.18);
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--pri-dark);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a {
            color: var(--pri-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--text-mint);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            cursor: pointer;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.25;
            font-weight: 800;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            padding: 14px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--pri-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo span {
            color: var(--text-mint);
            font-size: 0.85rem;
            font-weight: 400;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 4px 0;
            transition: var(--transition);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--pri-gold);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--pri-gold);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-nav-login {
            background: transparent;
            color: var(--text-mint);
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 24px;
            border: 1.5px solid var(--text-mint);
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-nav-login:hover {
            background: var(--text-mint);
            color: var(--pri-dark);
        }
        .btn-nav-signup {
            background: var(--pri-gold);
            color: var(--pri-dark);
            font-weight: 700;
            padding: 9px 24px;
            border-radius: 24px;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-nav-signup:hover {
            background: #FFE44D;
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.3);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            color: var(--pri-gold);
            font-size: 1.8rem;
            padding: 4px 8px;
            border-radius: 6px;
        }

        /* Hero Category */
        .hero-cat {
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.9) 0%, rgba(18, 62, 37, 0.82) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            min-height: 65vh;
            display: flex;
            align-items: center;
            padding: 140px 0 70px;
            position: relative;
        }
        .hero-cat::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: linear-gradient(transparent, var(--pri-dark));
        }
        .cat-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .cat-hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            color: var(--pri-gold);
        }
        .cat-hero-text .subtitle {
            font-size: 1.15rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .countdown-ring {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            border: 1px solid rgba(255, 215, 0, 0.25);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            text-align: center;
        }
        .countdown-ring h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--pri-gold);
            margin-bottom: 12px;
        }
        .countdown-timer {
            display: flex;
            gap: 14px;
            justify-content: center;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .timer-block {
            background: rgba(0, 0, 0, 0.4);
            border: 1px solid var(--pri-gold);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            min-width: 60px;
            text-align: center;
        }
        .timer-block .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--pri-gold);
            display: block;
            line-height: 1;
        }
        .timer-block .label {
            font-size: 0.75rem;
            color: var(--text-mint);
            margin-top: 4px;
        }
        .carousel-dots {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin: 16px 0;
        }
        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.3);
            transition: var(--transition);
        }
        .dot.active {
            background: var(--pri-gold);
            width: 24px;
            border-radius: 12px;
        }
        .btn-preorder {
            width: 100%;
            background: var(--pri-red);
            color: #fff;
            font-weight: 700;
            padding: 14px;
            border-radius: 28px;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 4px 18px rgba(211, 47, 47, 0.35);
            margin-top: 8px;
        }
        .btn-preorder:hover {
            background: #E53935;
            transform: translateY(-2px);
        }

        /* Value Points */
        .value-points {
            padding: 80px 0;
            text-align: left;
        }
        .value-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 60px;
            align-items: center;
        }
        .value-images {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .value-img-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
        }
        .value-img-card:hover {
            border-color: var(--pri-gold);
            box-shadow: var(--shadow-gold);
        }
        .value-img-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .value-text h2 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 20px;
        }
        .value-text .section-label {
            color: var(--pri-gold);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
            display: block;
        }
        .value-list {
            list-style: none;
            margin-top: 20px;
        }
        .value-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 16px;
            color: var(--text-mint);
            font-size: 1rem;
            line-height: 1.6;
        }
        .value-list li i {
            color: var(--pri-gold);
            font-size: 1.2rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        /* Game Cards Fix */
        .games-section {
            padding: 80px 0;
        }
        .games-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1.5px solid rgba(255, 215, 0, 0.2);
            transition: var(--transition);
            cursor: pointer;
        }
        .game-card:hover {
            border-color: var(--pri-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .game-card-img {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
        }
        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .game-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--pri-red);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
        }
        .game-card-info {
            padding: 18px 16px;
        }
        .game-card-info h3 {
            font-size: 1.1rem;
            color: var(--pri-gold);
            margin-bottom: 6px;
        }
        .game-card-info p {
            font-size: 0.88rem;
            color: var(--text-mint);
            line-height: 1.5;
        }

        /* Scenario Cards */
        .scenarios {
            padding: 80px 0;
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .scenario-card {
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid rgba(255, 215, 0, 0.12);
            transition: var(--transition);
            text-align: left;
        }
        .scenario-card:hover {
            border-color: var(--pri-gold);
            background: rgba(255, 215, 0, 0.04);
        }
        .scenario-icon {
            font-size: 2.4rem;
            color: var(--pri-gold);
            margin-bottom: 16px;
        }
        .scenario-card h3 {
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .scenario-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Process Steps */
        .steps-section {
            padding: 80px 0;
        }
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-item {
            text-align: left;
            padding: 24px;
            background: rgba(255, 255, 255, 0.02);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--pri-gold);
            transition: var(--transition);
        }
        .step-item:hover {
            background: rgba(255, 215, 0, 0.05);
        }
        .step-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--pri-gold);
            display: block;
            margin-bottom: 8px;
        }
        .step-item h4 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 6px;
        }
        .step-item p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* FAQ */
        .faq-section {
            padding: 80px 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 0;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            padding: 20px 0;
        }
        .faq-q {
            font-weight: 700;
            font-size: 1.08rem;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
        }
        .faq-q i {
            color: var(--pri-gold);
            transition: transform 0.3s;
        }
        .faq-a {
            color: var(--text-mint);
            line-height: 1.6;
            padding: 8px 0;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* CTA */
        .cta-section {
            padding: 80px 0;
            text-align: center;
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.2), rgba(255, 215, 0, 0.1));
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        .cta-box h2 {
            font-size: 2rem;
            color: var(--pri-gold);
            margin-bottom: 16px;
        }
        .cta-box p {
            color: var(--text-mint);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        .btn-cta-large {
            background: var(--pri-red);
            color: #fff;
            font-weight: 700;
            padding: 16px 42px;
            border-radius: 32px;
            font-size: 1.1rem;
            box-shadow: 0 4px 22px rgba(211, 47, 47, 0.4);
            transition: var(--transition);
        }
        .btn-cta-large:hover {
            background: #E53935;
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(211, 47, 47, 0.5);
        }

        /* Footer */
        .site-footer {
            background: rgba(0, 0, 0, 0.25);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: 60px 0 30px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-col h4 {
            color: var(--pri-gold);
            font-size: 1.05rem;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: var(--text-mint);
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .footer-col a:hover {
            color: var(--pri-gold);
        }
        .footer-bottom {
            text-align: center;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            color: var(--text-mint);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(145deg, #0A2E1C, #0D3A24);
            border: 2px solid var(--pri-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--pri-gold);
            font-size: 1.6rem;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.45);
        }
        .fab-left .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            background: var(--pri-red);
            border-radius: 50%;
            border: 2px solid var(--pri-dark);
            animation: blink 1.2s infinite;
        }
        @keyframes blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cat-hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .cat-hero-text h1 {
                font-size: 2.2rem;
            }
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .value-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.97);
                backdrop-filter: blur(20px);
                padding: 20px 24px;
                gap: 18px;
                border-bottom: 2px solid var(--pri-gold);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions {
                gap: 8px;
            }
            .btn-nav-login {
                padding: 7px 16px;
                font-size: 0.82rem;
            }
            .btn-nav-signup {
                padding: 8px 18px;
                font-size: 0.82rem;
            }
            .logo {
                font-size: 1.05rem;
            }
            .cat-hero-text h1 {
                font-size: 1.8rem;
            }
            .games-grid {
                grid-template-columns: 1fr 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .steps-flow {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .value-grid {
                gap: 30px;
            }
        }
        @media (max-width: 520px) {
            .cat-hero-text h1 {
                font-size: 1.5rem;
            }
            .games-grid {
                grid-template-columns: 1fr;
            }
            .countdown-timer {
                gap: 8px;
            }
            .timer-block {
                min-width: 50px;
                padding: 10px 12px;
            }
            .timer-block .num {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 14px;
            }
        }

/* roulang page: category2 */
:root {
            --pri-gold: #FFD700;
            --pri-red: #D32F2F;
            --pri-dark: #0A2E1C;
            --pri-forest: #123E25;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #C5A059;
            --bg-card: rgba(10,46,28,0.7);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.18);
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--pri-dark);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        a:hover {
            color: var(--text-mint);
        }

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

        button, input {
            font-family: inherit;
            border: none;
            outline: none;
            cursor: pointer;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(10,46,28,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,215,0,0.15);
            padding: 14px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--pri-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo span {
            color: var(--text-mint);
            font-size: 0.85rem;
            font-weight: 400;
        }

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

        .nav-links a {
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 4px 0;
            transition: var(--transition);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--pri-gold);
            transition: var(--transition);
            border-radius: 2px;
        }

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

        .nav-links a.active {
            color: var(--pri-gold);
        }

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

        .btn-nav-login {
            background: transparent;
            color: var(--text-mint);
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 24px;
            border: 1.5px solid var(--text-mint);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-nav-login:hover {
            background: var(--text-mint);
            color: var(--pri-dark);
        }

        .btn-nav-signup {
            background: var(--pri-gold);
            color: var(--pri-dark);
            font-weight: 700;
            padding: 9px 24px;
            border-radius: 24px;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
        }

        .btn-nav-signup:hover {
            background: #FFE44D;
            box-shadow: 0 6px 28px rgba(255,215,0,0.3);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            color: var(--pri-gold);
            font-size: 1.8rem;
            padding: 4px 8px;
            border-radius: 6px;
        }

        @media(max-width:768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10,46,28,0.97);
                backdrop-filter: blur(20px);
                padding: 20px 24px;
                gap: 18px;
                border-bottom: 2px solid var(--pri-gold);
            }

            .nav-links.open {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .nav-actions {
                gap: 8px;
            }

            .btn-nav-login {
                padding: 7px 16px;
                font-size: 0.82rem;
            }

            .btn-nav-signup {
                padding: 8px 18px;
                font-size: 0.82rem;
            }

            .logo {
                font-size: 1.05rem;
            }
        }

        /* Page Hero */
        .page-hero {
            background: linear-gradient(135deg, rgba(10,46,28,0.88) 0%, rgba(18,62,37,0.8) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 150px 0 90px;
            position: relative;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 70px;
            background: linear-gradient(transparent, var(--pri-dark));
        }

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

        .hero-text .section-label {
            color: var(--pri-gold);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
            display: inline-block;
            background: rgba(255,215,0,0.1);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(255,215,0,0.3);
        }

        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 22px;
            color: var(--pri-gold);
        }

        .hero-text p {
            font-size: 1.15rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .badge {
            background: rgba(255,215,0,0.12);
            border: 1px solid rgba(255,215,0,0.35);
            border-radius: 40px;
            padding: 8px 18px;
            color: var(--pri-gold);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .hero-visual {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid rgba(255,215,0,0.25);
            box-shadow: var(--shadow-gold);
            text-align: center;
        }

        .hero-visual img {
            border-radius: 16px;
            margin-bottom: 20px;
        }

        .hero-visual .stat-line {
            display: flex;
            justify-content: space-around;
            gap: 15px;
            flex-wrap: wrap;
        }

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

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--pri-gold);
            display: block;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-mint);
        }

        @media(max-width:768px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-text h1 {
                font-size: 2.2rem;
            }

            .hero-text p {
                font-size: 1rem;
            }

            .page-hero {
                padding: 120px 0 60px;
            }
        }

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

        .section-label {
            color: var(--pri-gold);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .section-desc {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 680px;
            line-height: 1.65;
            margin-bottom: 36px;
        }

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

        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* Game Highlights Grid */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
            margin-top: 30px;
        }

        .highlight-card {
            background: rgba(18,62,37,0.6);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            border: 1px solid rgba(255,215,0,0.18);
            transition: var(--transition);
            backdrop-filter: blur(8px);
        }

        .highlight-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(0,0,0,0.3);
            border-color: var(--pri-gold);
        }

        .highlight-icon {
            font-size: 2.5rem;
            margin-bottom: 16px;
        }

        .highlight-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--pri-gold);
        }

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

        /* Game Modes */
        .modes-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 30px;
        }

        .mode-block {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid rgba(255,215,0,0.2);
            display: flex;
            gap: 24px;
            align-items: flex-start;
            backdrop-filter: blur(12px);
        }

        .mode-img {
            flex-shrink: 0;
            width: 140px;
            height: 140px;
            border-radius: 16px;
            overflow: hidden;
            border: 2px solid rgba(255,215,0,0.25);
        }

        .mode-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .mode-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--pri-gold);
            margin-bottom: 8px;
        }

        .mode-info p {
            color: var(--text-mint);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .btn-outline-gold {
            display: inline-block;
            background: transparent;
            border: 1.5px solid var(--pri-gold);
            color: var(--pri-gold);
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-outline-gold:hover {
            background: var(--pri-gold);
            color: var(--pri-dark);
        }

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

            .mode-block {
                flex-direction: column;
            }

            .mode-img {
                width: 100%;
                height: 200px;
            }

            .section-title {
                font-size: 1.8rem;
            }
        }

        /* Feature List */
        .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px 40px;
            margin-top: 20px;
        }

        .feature-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px;
            background: rgba(255,255,255,0.02);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--pri-gold);
        }

        .feature-icon {
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .feature-text h4 {
            font-weight: 700;
            margin-bottom: 6px;
        }

        .feature-text p {
            color: var(--text-mint);
            font-size: 0.92rem;
        }

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

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 30px;
        }

        .step-card {
            text-align: center;
            padding: 30px 16px;
            background: rgba(18,62,37,0.7);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255,215,0,0.15);
            position: relative;
        }

        .step-number {
            width: 48px;
            height: 48px;
            background: var(--pri-gold);
            color: var(--pri-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.4rem;
            margin: 0 auto 16px;
        }

        .step-card h4 {
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .step-card p {
            color: var(--text-mint);
            font-size: 0.9rem;
        }

        @media(max-width:768px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media(max-width:480px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: rgba(18,62,37,0.6);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,215,0,0.2);
            padding: 22px 26px;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--pri-gold);
            background: rgba(255,215,0,0.04);
        }

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

        .faq-answer {
            color: var(--text-mint);
            line-height: 1.65;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(211,47,47,0.2) 0%, rgba(10,46,28,0.9) 100%), url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            padding: 90px 0;
            text-align: center;
            border-top: 2px solid rgba(255,215,0,0.25);
            border-bottom: 2px solid rgba(255,215,0,0.25);
        }

        .cta-section h2 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--pri-gold);
            margin-bottom: 18px;
        }

        .cta-section p {
            color: var(--text-mint);
            max-width: 600px;
            margin: 0 auto 30px;
            font-size: 1.1rem;
        }

        .btn-cta-primary {
            display: inline-block;
            background: var(--pri-red);
            color: #fff;
            font-weight: 700;
            padding: 16px 44px;
            border-radius: 40px;
            font-size: 1.15rem;
            box-shadow: 0 6px 24px rgba(211,47,47,0.4);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-cta-primary:hover {
            background: #E53935;
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(211,47,47,0.55);
        }

        /* Footer */
        .site-footer {
            background: rgba(5,25,15,0.9);
            padding: 70px 0 30px;
            border-top: 1px solid rgba(255,215,0,0.15);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--pri-gold);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col p {
            color: var(--text-mint);
            font-size: 0.88rem;
            line-height: 1.7;
        }

        .footer-col a {
            display: block;
            color: var(--text-mint);
            margin-bottom: 10px;
            font-size: 0.92rem;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--pri-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-mint);
            font-size: 0.85rem;
            padding-top: 24px;
            border-top: 1px solid rgba(255,215,0,0.1);
        }

        @media(max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .cta-section h2 {
                font-size: 2rem;
            }
        }

        @media(max-width:480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(10,46,28,0.85);
            backdrop-filter: blur(12px);
            border-radius: 50%;
            border: 2px solid var(--pri-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--pri-gold);
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            transition: var(--transition);
            cursor: pointer;
            opacity: 0.7;
        }

        .fab-left:hover {
            transform: scale(1.1);
            opacity: 1;
        }

/* roulang page: category3 */
:root {
            --pri-gold: #FFD700;
            --pri-red: #D32F2F;
            --pri-dark: #0A2E1C;
            --pri-forest: #123E25;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #C5A059;
            --bg-card: rgba(10,46,28,0.7);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.18);
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--pri-dark);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a {
            color: var(--pri-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--text-mint);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input {
            font-family: inherit;
            border: none;
            outline: none;
            cursor: pointer;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(10,46,28,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,215,0,0.15);
            padding: 14px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--pri-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo span {
            color: var(--text-mint);
            font-size: 0.85rem;
            font-weight: 400;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 4px 0;
            transition: var(--transition);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--pri-gold);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav-links a:hover::after, .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--pri-gold);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-nav-login {
            background: transparent;
            color: var(--text-mint);
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 24px;
            border: 1.5px solid var(--text-mint);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .btn-nav-login:hover {
            background: var(--text-mint);
            color: var(--pri-dark);
        }
        .btn-nav-signup {
            background: var(--pri-gold);
            color: var(--pri-dark);
            font-weight: 700;
            padding: 9px 24px;
            border-radius: 24px;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
        }
        .btn-nav-signup:hover {
            background: #FFE44D;
            box-shadow: 0 6px 28px rgba(255,215,0,0.3);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            color: var(--pri-gold);
            font-size: 1.8rem;
            padding: 4px 8px;
            border-radius: 6px;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10,46,28,0.97);
                backdrop-filter: blur(20px);
                padding: 20px 24px;
                gap: 18px;
                border-bottom: 2px solid var(--pri-gold);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions {
                gap: 8px;
            }
            .btn-nav-login {
                padding: 7px 16px;
                font-size: 0.82rem;
            }
            .btn-nav-signup {
                padding: 8px 18px;
                font-size: 0.82rem;
            }
            .logo {
                font-size: 1.05rem;
            }
        }
        @media (min-width: 769px) {
            .nav-links {
                display: flex !important;
                flex-direction: row !important;
                position: static !important;
                width: auto !important;
                background: none !important;
                backdrop-filter: none !important;
                padding: 0 !important;
                gap: 28px !important;
                border-bottom: none !important;
            }
            .mobile-toggle {
                display: none !important;
            }
        }
        .page-banner {
            background: linear-gradient(135deg, rgba(10,46,28,0.88) 0%, rgba(18,62,37,0.82) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 140px 0 80px;
            text-align: left;
            position: relative;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: linear-gradient(transparent, var(--pri-dark));
        }
        .banner-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .banner-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--pri-gold);
            margin-bottom: 18px;
        }
        .banner-text .subtitle {
            font-size: 1.15rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .banner-badges {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .badge {
            background: rgba(255,215,0,0.12);
            border: 1px solid rgba(255,215,0,0.35);
            border-radius: 40px;
            padding: 8px 18px;
            color: var(--pri-gold);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .banner-visual {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            border: 1px solid rgba(255,215,0,0.25);
            box-shadow: 0 12px 40px rgba(0,0,0,0.35);
            position: relative;
            z-index: 1;
        }
        .banner-visual h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--pri-gold);
        }
        .banner-visual p {
            color: var(--text-mint);
            margin-bottom: 20px;
            font-size: 0.92rem;
        }
        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }
        .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-mint);
            font-size: 0.95rem;
        }
        .feature-list li::before {
            content: '✓';
            color: var(--pri-gold);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .btn-download {
            width: 100%;
            background: var(--pri-red);
            color: #fff;
            font-weight: 700;
            padding: 14px;
            border-radius: 28px;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 4px 18px rgba(211,47,47,0.35);
            display: inline-block;
            text-align: center;
        }
        .btn-download:hover {
            background: #E53935;
            transform: translateY(-2px);
            color: #fff;
        }
        @media (max-width: 768px) {
            .banner-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .banner-text h1 {
                font-size: 2rem;
            }
            .banner-text .subtitle {
                font-size: 1rem;
            }
            .page-banner {
                padding: 120px 0 50px;
            }
        }
        section {
            padding: 80px 0;
        }
        .section-label {
            color: var(--pri-gold);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .section-desc {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 680px;
            line-height: 1.65;
            margin-bottom: 36px;
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255,215,0,0.18);
            transition: var(--transition);
            box-shadow: var(--shadow-gold);
        }
        .game-card:hover {
            border-color: var(--pri-gold);
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(255,215,0,0.25);
        }
        .game-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .game-card-body {
            padding: 20px;
        }
        .game-card-body h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--pri-gold);
            margin-bottom: 8px;
        }
        .game-card-body p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 14px;
        }
        .game-card-tag {
            display: inline-block;
            background: rgba(211,47,47,0.25);
            color: #FF6B6B;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            border: 1px solid rgba(211,47,47,0.4);
        }
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .benefit-item {
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-md);
            padding: 24px;
            border-left: 3px solid var(--pri-gold);
            transition: var(--transition);
        }
        .benefit-item:hover {
            background: rgba(255,215,0,0.05);
        }
        .benefit-item h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .benefit-item p {
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.55;
        }
        .scenario-stack {
            display: flex;
            flex-direction: column;
            gap: 28px;
            max-width: 800px;
        }
        .scenario-row {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .scenario-icon {
            font-size: 2.2rem;
            min-width: 50px;
            text-align: center;
        }
        .scenario-text h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--pri-gold);
            margin-bottom: 6px;
        }
        .scenario-text p {
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.55;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
        }
        .faq-item {
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,215,0,0.15);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            background: none;
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 18px 24px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-question:hover {
            background: rgba(255,215,0,0.06);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .cta-section {
            background: linear-gradient(135deg, var(--pri-forest) 0%, var(--pri-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            border: 1px solid rgba(255,215,0,0.25);
            box-shadow: 0 12px 40px rgba(0,0,0,0.35);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--pri-gold);
            margin-bottom: 14px;
        }
        .cta-section p {
            color: var(--text-mint);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta {
            background: var(--pri-red);
            color: #fff;
            font-weight: 700;
            padding: 15px 40px;
            border-radius: 28px;
            font-size: 1.1rem;
            box-shadow: 0 4px 20px rgba(211,47,47,0.4);
            transition: var(--transition);
            display: inline-block;
        }
        .btn-cta:hover {
            background: #E53935;
            transform: translateY(-2px);
            color: #fff;
        }
        .site-footer {
            background: rgba(0,0,0,0.3);
            border-top: 1px solid rgba(255,215,0,0.2);
            padding: 50px 0 30px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: var(--pri-gold);
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--pri-gold);
        }
        .footer-bottom {
            text-align: center;
            color: var(--text-mint);
            font-size: 0.85rem;
            border-top: 1px solid rgba(255,215,0,0.1);
            padding-top: 20px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.7rem;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 30px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            background: rgba(10,46,28,0.92);
            backdrop-filter: blur(10px);
            border: 2px solid var(--pri-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--pri-gold);
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
            animation: floatFAB 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
        }
        @keyframes floatFAB {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

/* roulang page: category4 */
:root {
            --pri-gold: #FFD700;
            --pri-red: #D32F2F;
            --pri-dark: #0A2E1C;
            --pri-forest: #123E25;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #C5A059;
            --bg-card: rgba(10,46,28,0.7);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.18);
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--pri-dark);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }
        
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        a {
            color: var(--pri-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        
        a:hover {
            color: var(--text-mint);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            cursor: pointer;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            padding: 14px 0;
        }
        
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        
        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--pri-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        
        .logo span {
            color: var(--text-mint);
            font-size: 0.85rem;
            font-weight: 400;
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        
        .nav-links a {
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 4px 0;
            transition: var(--transition);
            text-decoration: none;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--pri-gold);
            transition: var(--transition);
            border-radius: 2px;
        }
        
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        
        .nav-links a.active {
            color: var(--pri-gold);
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .btn-nav-login {
            background: transparent;
            color: var(--text-mint);
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 24px;
            border: 1.5px solid var(--text-mint);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .btn-nav-login:hover {
            background: var(--text-mint);
            color: var(--pri-dark);
        }
        
        .btn-nav-signup {
            background: var(--pri-gold);
            color: var(--pri-dark);
            font-weight: 700;
            padding: 9px 24px;
            border-radius: 24px;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
        }
        
        .btn-nav-signup:hover {
            background: #FFE44D;
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.3);
            transform: translateY(-1px);
        }
        
        .mobile-toggle {
            display: none;
            background: none;
            color: var(--pri-gold);
            font-size: 1.8rem;
            padding: 4px 8px;
            border-radius: 6px;
        }

        .page-banner {
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.85) 0%, rgba(18, 62, 37, 0.78) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            min-height: 65vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            position: relative;
        }
        
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: linear-gradient(transparent, var(--pri-dark));
        }
        
        .banner-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        
        .banner-text .section-label {
            color: var(--pri-gold);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
        }
        
        .banner-text h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 22px;
            color: var(--pri-gold);
        }
        
        .banner-text p {
            font-size: 1.15rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }
        
        .banner-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        
        .badge {
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.35);
            border-radius: 40px;
            padding: 8px 18px;
            color: var(--pri-gold);
            font-weight: 600;
            font-size: 0.9rem;
        }
        
        .banner-stats {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            border: 1px solid rgba(255, 215, 0, 0.25);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            text-align: center;
        }
        
        .stat-item h3 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--pri-gold);
            margin-bottom: 6px;
        }
        
        .stat-item p {
            color: var(--text-mint);
            font-size: 0.92rem;
        }

        section {
            padding: 80px 0;
        }
        
        .section-label {
            color: var(--pri-gold);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
            display: block;
        }
        
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        
        .section-desc {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 680px;
            line-height: 1.65;
            margin-bottom: 36px;
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        
        .benefit-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
            text-align: left;
        }
        
        .benefit-card:hover {
            border-color: var(--pri-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        
        .benefit-icon {
            font-size: 2.5rem;
            margin-bottom: 16px;
            display: block;
        }
        
        .benefit-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--pri-gold);
            margin-bottom: 10px;
        }
        
        .benefit-card p {
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        .games-showcase {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
            position: relative;
        }
        
        .game-card:hover {
            border-color: var(--pri-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        
        .game-card-image {
            position: relative;
            height: 220px;
            overflow: hidden;
        }
        
        .game-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .game-card:hover .game-card-image img {
            transform: scale(1.05);
        }
        
        .game-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--pri-red);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
        }
        
        .game-card-body {
            padding: 20px;
        }
        
        .game-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--pri-gold);
            margin-bottom: 8px;
        }
        
        .game-card-body p {
            color: var(--text-mint);
            font-size: 0.88rem;
            line-height: 1.5;
            margin-bottom: 16px;
        }
        
        .game-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .game-rate {
            color: var(--pri-gold);
            font-weight: 700;
        }
        
        .game-players {
            color: var(--text-mint);
            font-size: 0.82rem;
        }

        .process-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        
        .process-step {
            text-align: left;
            position: relative;
            padding: 28px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 215, 0, 0.12);
            transition: var(--transition);
        }
        
        .process-step:hover {
            border-color: var(--pri-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .step-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--pri-gold);
            opacity: 0.3;
            margin-bottom: 12px;
        }
        
        .process-step h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        
        .process-step p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        .payment-methods {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        
        .payment-badge {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: 40px;
            padding: 10px 24px;
            color: var(--pri-gold);
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        
        .payment-badge:hover {
            background: rgba(255, 215, 0, 0.08);
            border-color: var(--pri-gold);
        }

        .faq-list {
            max-width: 820px;
        }
        
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            border: 1px solid rgba(255, 215, 0, 0.12);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--pri-gold);
        }
        
        .faq-question {
            padding: 22px 28px;
            cursor: pointer;
            font-weight: 700;
            color: var(--pri-gold);
            font-size: 1.08rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        
        .faq-answer {
            padding: 0 28px 22px;
            color: var(--text-mint);
            line-height: 1.65;
            font-size: 0.95rem;
            display: none;
        }
        
        .faq-item.open .faq-answer {
            display: block;
        }
        
        .faq-item.open .faq-question {
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
        }

        .cta-section {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.12) 0%, rgba(10, 46, 28, 0.95) 100%);
            border-top: 2px solid var(--pri-gold);
            border-bottom: 2px solid var(--pri-gold);
            padding: 70px 0;
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--pri-gold);
            margin-bottom: 16px;
        }
        
        .cta-section p {
            color: var(--text-mint);
            font-size: 1.08rem;
            margin-bottom: 32px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .btn-cta-large {
            display: inline-block;
            background: var(--pri-red);
            color: #fff;
            font-weight: 700;
            padding: 16px 48px;
            border-radius: 40px;
            font-size: 1.15rem;
            box-shadow: 0 6px 24px rgba(211, 47, 47, 0.4);
            transition: var(--transition);
            text-decoration: none;
        }
        
        .btn-cta-large:hover {
            background: #E53935;
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(211, 47, 47, 0.5);
        }

        .site-footer {
            background: var(--pri-forest);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-col h4 {
            color: var(--pri-gold);
            font-weight: 700;
            margin-bottom: 18px;
            font-size: 1.05rem;
        }
        
        .footer-col a {
            display: block;
            color: var(--text-mint);
            margin-bottom: 10px;
            font-size: 0.92rem;
            transition: var(--transition);
            text-decoration: none;
        }
        
        .footer-col a:hover {
            color: var(--pri-gold);
        }
        
        .footer-bottom {
            text-align: center;
            color: var(--text-mint);
            font-size: 0.85rem;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 215, 0, 0.12);
        }

        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(10, 46, 28, 0.92);
            border: 2px solid var(--pri-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            cursor: pointer;
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
        }
        
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.45);
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        @media (max-width: 1024px) {
            .banner-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .banner-text h1 {
                font-size: 2.2rem;
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .games-showcase {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.97);
                backdrop-filter: blur(20px);
                padding: 20px 24px;
                gap: 18px;
                border-bottom: 2px solid var(--pri-gold);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions {
                gap: 8px;
            }
            .btn-nav-login {
                padding: 7px 16px;
                font-size: 0.82rem;
            }
            .btn-nav-signup {
                padding: 8px 18px;
                font-size: 0.82rem;
            }
            .logo {
                font-size: 1.05rem;
            }
            .banner-grid {
                grid-template-columns: 1fr;
            }
            .banner-text h1 {
                font-size: 1.8rem;
            }
            .banner-stats {
                grid-template-columns: 1fr;
                padding: 24px 20px;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .games-showcase {
                grid-template-columns: 1fr;
            }
            .process-timeline {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            section {
                padding: 50px 0;
            }
            .page-banner {
                min-height: auto;
                padding: 120px 0 60px;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .banner-text h1 {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-cta-large {
                padding: 14px 32px;
                font-size: 1rem;
            }
        }