/* roulang page: index */
:root {
            --bg-primary: #1A1A1A;
            --bg-secondary: #121212;
            --bg-card: #1E1E1E;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #B0B0B0;
            --border-color: #2E2E2E;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.6);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.15);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
        html{scroll-behavior:smooth;}
        body{
            font-family:var(--font-body);
            background:var(--bg-primary);
            color:var(--text-body);
            line-height:1.6;
            -webkit-font-smoothing:antialiased;
            overflow-x:hidden;
        }
        .container{max-width:1200px;margin:0 auto;padding:0 1.5rem;}
        h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--text-primary);font-weight:700;line-height:1.3;}
        h1{font-size:2.6rem;letter-spacing:-0.5px;}
        h2{font-size:2rem;margin-bottom:1rem;}
        h3{font-size:1.4rem;}
        a{color:var(--accent-gold);text-decoration:none;transition:var(--transition);}
        a:hover{color:var(--accent-amber);}
        img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm);}

        /* Header/Nav */
        .site-header{
            background:var(--bg-secondary);
            border-bottom:1px solid var(--border-color);
            position:sticky;top:0;z-index:100;
            padding:0.75rem 0;
            backdrop-filter:blur(10px);
        }
        .header-inner{
            display:flex;align-items:center;justify-content:space-between;
            flex-wrap:wrap;
        }
        .logo{
            font-size:1.5rem;font-weight:800;color:var(--accent-gold);
            font-family:var(--font-heading);
            letter-spacing:-0.5px;
            text-decoration:none;
        }
        .logo:hover{color:var(--accent-amber);}
        .nav-links{display:flex;gap:1.5rem;align-items:center;list-style:none;}
        .nav-links a{
            color:var(--text-body);font-weight:500;font-size:0.95rem;
            padding:0.5rem 0;position:relative;
        }
        .nav-links a.active,.nav-links a:hover{color:var(--accent-gold);}
        .nav-links a.active::after{
            content:'';position:absolute;bottom:-2px;left:0;width:100%;height:2px;
            background:var(--accent-gold);border-radius:2px;
        }
        .auth-buttons{display:flex;gap:0.75rem;align-items:center;}
        .btn-login{
            background:transparent;color:var(--text-primary);border:1px solid var(--border-color);
            padding:0.5rem 1.2rem;border-radius:var(--radius-sm);
            font-weight:600;font-size:0.9rem;cursor:pointer;transition:var(--transition);
        }
        .btn-login:hover{border-color:var(--accent-gold);color:var(--accent-gold);}
        .btn-signup{
            background:var(--accent-gold);color:#121212;border:none;
            padding:0.5rem 1.5rem;border-radius:var(--radius-sm);
            font-weight:700;font-size:0.9rem;cursor:pointer;transition:var(--transition);
        }
        .btn-signup:hover{background:var(--accent-amber);transform:translateY(-1px);box-shadow:var(--shadow-gold);}
        .mobile-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;}
        .mobile-menu{display:none;flex-direction:column;gap:1rem;padding:1rem 0;background:var(--bg-secondary);width:100%;}

        /* Hero */
        .hero{
            background:linear-gradient(135deg, #121212 0%, #1E1E1E 70%, #252525 100%);
            padding:4rem 0;position:relative;overflow:hidden;
            border-bottom:1px solid var(--border-color);
        }
        .hero::before{
            content:'';position:absolute;top:-50px;right:-50px;
            width:350px;height:350px;background:radial-gradient(circle, rgba(197,160,89,0.08) 0%, transparent 70%);
            border-radius:50%;
        }
        .hero-content{display:flex;align-items:center;gap:3rem;flex-wrap:wrap;position:relative;z-index:1;}
        .hero-text{flex:1 1 500px;}
        .hero-text h1{color:var(--accent-gold);margin-bottom:1rem;}
        .hero-text p{font-size:1.15rem;color:var(--text-body);margin-bottom:1.5rem;max-width:550px;}
        .countdown-timer{display:flex;gap:0.75rem;margin-bottom:1.5rem;}
        .timer-block{
            background:var(--bg-card);border:1px solid var(--border-color);
            border-radius:var(--radius-sm);padding:0.75rem 1rem;text-align:center;
            min-width:65px;
        }
        .timer-block span{display:block;font-size:1.8rem;font-weight:800;color:var(--accent-gold);}
        .timer-block small{color:var(--text-muted);font-size:0.75rem;}
        .hero-actions{display:flex;gap:1rem;flex-wrap:wrap;}
        .btn-primary{
            background:var(--accent-gold);color:#121212;padding:0.85rem 2rem;
            border-radius:var(--radius-sm);font-weight:700;font-size:1rem;border:none;
            cursor:pointer;transition:var(--transition);display:inline-block;text-align:center;
        }
        .btn-primary:hover{background:var(--accent-amber);transform:translateY(-2px);box-shadow:var(--shadow-gold);color:#121212;}
        .btn-outline{
            background:transparent;color:var(--accent-gold);border:2px solid var(--accent-gold);
            padding:0.8rem 2rem;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;
            cursor:pointer;transition:var(--transition);display:inline-block;text-align:center;
        }
        .btn-outline:hover{background:var(--accent-gold);color:#121212;}
        .hero-visual{
            flex:1 1 300px;display:flex;flex-direction:column;align-items:center;gap:1rem;
        }
        .hero-visual img{border-radius:var(--radius);box-shadow:var(--shadow-md);}
        .slide-dots{display:flex;gap:0.5rem;}
        .slide-dots span{
            width:10px;height:10px;background:var(--border-color);
            border-radius:50%;display:inline-block;cursor:pointer;transition:var(--transition);
        }
        .slide-dots span.active{background:var(--accent-gold);width:24px;border-radius:5px;}

        /* Section Shared */
        section{padding:3.5rem 0;}
        .section-title{font-size:2rem;color:var(--text-primary);margin-bottom:0.75rem;font-weight:700;}
        .section-subtitle{color:var(--text-body);font-size:1.05rem;max-width:600px;margin-bottom:2rem;}
        .section-header{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:1rem;}

        /* Client Cases */
        .testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;}
        .testimonial-card{
            background:var(--bg-card);border:1px solid var(--border-color);
            border-radius:var(--radius);padding:1.5rem;transition:var(--transition);
        }
        .testimonial-card:hover{border-color:var(--accent-gold);}
        .testimonial-card .quote{font-style:italic;color:var(--text-primary);margin-bottom:1rem;}
        .testimonial-card .author{font-weight:700;color:var(--accent-gold);}

        /* Metrics */
        .metrics-row{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center;text-align:center;}
        .metric-item{flex:1 1 200px;max-width:240px;}
        .metric-number{font-size:2.5rem;font-weight:800;color:var(--accent-gold);}
        .metric-label{color:var(--text-muted);font-size:0.95rem;}

        /* Compare */
        .compare-box{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center;}
        .compare-old,.compare-new{
            background:var(--bg-card);border-radius:var(--radius);padding:2rem;
        }
        .compare-old{border:1px solid #3E1A1A;}
        .compare-new{border:1px solid #1A3E2C;}
        .compare-old h4{color:#D32F2F;}
        .compare-new h4{color:#2E7D32;}

        /* Blog List */
        .news-row{display:flex;gap:2rem;flex-wrap:wrap;}
        .news-list{flex:1 1 600px;}
        .news-item{
            display:flex;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--border-color);
            align-items:flex-start;
        }
        .news-item:last-child{border-bottom:none;}
        .news-item .news-date{color:var(--text-muted);font-size:0.85rem;min-width:80px;}
        .news-item .news-title{font-weight:600;color:var(--text-primary);transition:var(--transition);}
        .news-item .news-title:hover{color:var(--accent-gold);}
        .news-sidebar{flex:1 1 280px;background:var(--bg-card);padding:1.5rem;border-radius:var(--radius);}

        /* CTA */
        .cta-section{
            background:linear-gradient(135deg, #1E1E1E, #252525);
            border-radius:var(--radius);padding:3rem 2rem;text-align:center;
            border:1px solid var(--border-color);
        }
        .cta-section h2{color:var(--accent-gold);}
        .cta-section p{color:var(--text-body);margin-bottom:1.5rem;}

        /* FAQ */
        .faq-item{margin-bottom:1rem;border:1px solid var(--border-color);border-radius:var(--radius-sm);}
        .faq-question{
            background:var(--bg-card);padding:1rem 1.5rem;font-weight:600;color:var(--text-primary);
            cursor:pointer;transition:var(--transition);
        }
        .faq-question:hover{color:var(--accent-gold);}
        .faq-answer{padding:1rem 1.5rem;color:var(--text-body);display:none;}
        .faq-answer.open{display:block;}

        /* Footer */
        .site-footer{
            background:var(--bg-secondary);border-top:1px solid var(--border-color);
            padding:2.5rem 0;text-align:center;color:var(--text-body);
        }
        .footer-links{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap;margin-bottom:1rem;}
        .footer-links a{color:var(--text-body);}
        .footer-links a:hover{color:var(--accent-gold);}

        /* FAB */
        .fab-left{
            position:fixed;left:1.5rem;bottom:6rem;z-index:50;
            width:56px;height:56px;border-radius:50%;background:var(--bg-card);
            border:2px solid var(--accent-gold);display:flex;align-items:center;justify-content:center;
            box-shadow:0 4px 20px rgba(197,160,89,0.3);cursor:pointer;transition:var(--transition);
            opacity:0.7;
        }
        .fab-left:hover{opacity:1;transform:scale(1.1);}
        .fab-left i{font-size:1.5rem;color:var(--accent-gold);}

        @media(max-width:1024px){
            h1{font-size:2rem;}
            .hero-content{flex-direction:column;}
        }
        @media(max-width:768px){
            .nav-links{display:none;}
            .auth-buttons{margin-left:auto;}
            .mobile-toggle{display:block;}
            .mobile-menu.active{display:flex;}
            h1{font-size:1.8rem;}
            .compare-box{grid-template-columns:1fr;}
        }
        @media(max-width:520px){
            .container{padding:0 1rem;}
            h1{font-size:1.5rem;}
            .hero{padding:2.5rem 0;}
            .timer-block{min-width:55px;padding:0.5rem;}
            .timer-block span{font-size:1.4rem;}
        }

/* roulang page: article */
:root {
            --bg-primary: #1A1A1A;
            --bg-secondary: #121212;
            --bg-card: #1E1E1E;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #B0B0B0;
            --border-color: #2E2E2E;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.6);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.15);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

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

        a:hover {
            color: var(--accent-amber);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        h1, h2, h3, h4 {
            color: var(--text-primary);
            font-family: var(--font-heading);
        }

        h1 {
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }

        h2 {
            font-size: 1.8rem;
            margin-bottom: 0.75rem;
        }

        h3 {
            font-size: 1.3rem;
        }

        .site-header {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0.75rem 0;
            backdrop-filter: blur(10px);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            font-family: var(--font-heading);
            letter-spacing: -0.5px;
            text-decoration: none;
        }

        .logo:hover {
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            gap: 1.5rem;
            align-items: center;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .auth-buttons {
            display: flex;
            gap: 0.75rem;
            align-items: center;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: #121212;
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-signup:hover {
            background: var(--accent-amber);
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 1rem;
            padding: 1rem 0;
            background: var(--bg-secondary);
            width: 100%;
        }

        .article-page {
            padding: 2rem 0 4rem;
        }

        .article-header {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }

        .article-meta {
            display: flex;
            gap: 1.5rem;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .article-content {
            background: var(--bg-card);
            padding: 2rem;
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            margin-bottom: 2rem;
        }

        .article-content h2,
        .article-content h3 {
            margin-top: 1.5rem;
            color: var(--accent-gold);
        }

        .article-content p {
            margin-bottom: 1rem;
            line-height: 1.7;
        }

        .article-content ul,
        .article-content ol {
            margin-left: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .article-content li {
            margin-bottom: 0.5rem;
        }

        .article-content img {
            margin: 1.5rem 0;
        }

        .not-found {
            text-align: center;
            padding: 4rem 2rem;
        }

        .not-found h2 {
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: #121212;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            text-decoration: none;
        }

        .btn-primary:hover {
            background: var(--accent-amber);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
            color: #121212;
        }

        .related-section {
            padding: 2rem 0;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .related-card img {
            height: 180px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 1.25rem;
        }

        .related-card-body h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .related-card-body a {
            font-weight: 600;
            display: inline-block;
            margin-top: 0.5rem;
        }

        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-links {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            animation: float 2.5s ease-in-out infinite;
        }

        .fab-left:hover {
            background: var(--accent-gold);
            color: #121212;
            transform: scale(1.1);
        }

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

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

            .mobile-toggle {
                display: block;
            }

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

            .hero-content {
                flex-direction: column;
            }

            .article-content {
                padding: 1rem;
            }

            h1 {
                font-size: 1.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #1A1A1A;
            --bg-secondary: #121212;
            --bg-card: #1E1E1E;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #B0B0B0;
            --border-color: #2E2E2E;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.6);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.15);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }

        html{scroll-behavior:smooth;}
        body{
            font-family:var(--font-body);
            background:var(--bg-primary);
            color:var(--text-body);
            line-height:1.6;
            -webkit-font-smoothing:antialiased;
            overflow-x:hidden;
        }
        .container{max-width:1200px;margin:0 auto;padding:0 1.5rem;}

        a{color:var(--accent-gold);text-decoration:none;transition:var(--transition);}
        a:hover{color:var(--accent-amber);}
        img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm);}

        /* Header/Nav */
        .site-header{
            background:var(--bg-secondary);
            border-bottom:1px solid var(--border-color);
            position:sticky;top:0;z-index:100;
            padding:0.75rem 0;
            backdrop-filter:blur(10px);
        }
        .header-inner{
            display:flex;align-items:center;justify-content:space-between;
            flex-wrap:wrap;
        }
        .logo{
            font-size:1.5rem;font-weight:800;color:var(--accent-gold);
            font-family:var(--font-heading);
            letter-spacing:-0.5px;
            text-decoration:none;
        }
        .logo:hover{color:var(--accent-amber);}
        .nav-links{display:flex;gap:1.5rem;align-items:center;list-style:none;}
        .nav-links a{
            color:var(--text-body);font-weight:500;font-size:0.95rem;
            padding:0.5rem 0;position:relative;
        }
        .nav-links a.active,.nav-links a:hover{color:var(--accent-gold);}
        .nav-links a.active::after{
            content:'';position:absolute;bottom:-2px;left:0;width:100%;height:2px;
            background:var(--accent-gold);border-radius:2px;
        }
        .auth-buttons{display:flex;gap:0.75rem;align-items:center;}
        .btn-login{
            background:transparent;color:var(--text-primary);border:1px solid var(--border-color);
            padding:0.5rem 1.2rem;border-radius:var(--radius-sm);
            font-weight:600;font-size:0.9rem;cursor:pointer;transition:var(--transition);
        }
        .btn-login:hover{border-color:var(--accent-gold);color:var(--accent-gold);}
        .btn-signup{
            background:var(--accent-gold);color:#121212;border:none;
            padding:0.5rem 1.5rem;border-radius:var(--radius-sm);
            font-weight:700;font-size:0.9rem;cursor:pointer;transition:var(--transition);
        }
        .btn-signup:hover{background:var(--accent-amber);transform:translateY(-1px);box-shadow:var(--shadow-gold);}
        .mobile-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;}
        .mobile-menu{display:none;flex-direction:column;gap:1rem;padding:1rem 0;background:var(--bg-secondary);width:100%;}

        /* Hero */
        .hero{
            background:linear-gradient(135deg, #121212 0%, #1E1E1E 70%, #252525 100%);
            padding:4rem 0;position:relative;overflow:hidden;
            border-bottom:1px solid var(--border-color);
        }
        .hero::before{
            content:'';position:absolute;top:-50px;right:-50px;
            width:350px;height:350px;background:radial-gradient(circle, rgba(197,160,89,0.08) 0%, transparent 70%);
            border-radius:50%;
        }
        .hero-content{display:flex;align-items:center;gap:3rem;flex-wrap:wrap;position:relative;z-index:1;}
        .hero-text{flex:1 1 500px;}
        .hero-text h1{color:var(--accent-gold);margin-bottom:1rem;}
        .hero-text p{font-size:1.15rem;color:var(--text-body);margin-bottom:1.5rem;max-width:550px;}
        .hero-actions{display:flex;gap:1rem;flex-wrap:wrap;}
        .btn-primary{
            background:var(--accent-gold);color:#121212;padding:0.85rem 2rem;
            border-radius:var(--radius-sm);font-weight:700;font-size:1rem;border:none;
            cursor:pointer;transition:var(--transition);display:inline-block;text-align:center;
        }
        .btn-primary:hover{background:var(--accent-amber);transform:translateY(-2px);box-shadow:var(--shadow-gold);color:#121212;}
        .btn-outline{
            background:transparent;color:var(--accent-gold);border:2px solid var(--accent-gold);
            padding:0.8rem 2rem;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;
            cursor:pointer;transition:var(--transition);display:inline-block;text-align:center;
        }
        .btn-outline:hover{background:var(--accent-gold);color:#121212;}
        .hero-visual{
            flex:1 1 300px;display:flex;flex-direction:column;align-items:center;gap:1rem;
        }
        .hero-visual img{border-radius:var(--radius);box-shadow:var(--shadow-md);}

        /* Section Shared */
        section{padding:3.5rem 0;}
        .section-title{font-size:2rem;color:var(--text-primary);margin-bottom:0.75rem;font-weight:700;}
        .section-subtitle{color:var(--text-body);font-size:1.05rem;max-width:600px;margin-bottom:2rem;}
        .section-header{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:1rem;}

        /* Metrics Row */
        .metrics-row{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center;text-align:center;}
        .metric-item{flex:1 1 180px;max-width:200px;}
        .metric-number{font-size:2.5rem;font-weight:800;color:var(--accent-gold);line-height:1.2;}
        .metric-label{color:var(--text-body);font-size:0.9rem;}

        /* Strategy Cards */
        .strategy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem;}
        .strategy-card{
            background:var(--bg-card);border:1px solid var(--border-color);
            border-radius:var(--radius);overflow:hidden;transition:var(--transition);
            display:flex;flex-direction:column;
        }
        .strategy-card:hover{border-color:var(--accent-gold);transform:translateY(-4px);box-shadow:var(--shadow-gold);}
        .strategy-card img{width:100%;height:200px;object-fit:cover;border-radius:var(--radius) var(--radius) 0 0;}
        .strategy-card-body{padding:1.5rem;flex:1;display:flex;flex-direction:column;}
        .strategy-card-body h3{color:var(--text-primary);font-size:1.4rem;margin-bottom:0.75rem;}
        .strategy-card-body p{color:var(--text-body);margin-bottom:1.25rem;flex:1;}
        .card-meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto;color:var(--text-muted);font-size:0.85rem;}

        /* Process Flow */
        .process-flow{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center;margin-top:2rem;}
        .process-step{
            flex:1 1 200px;max-width:250px;text-align:center;
            background:var(--bg-card);border:1px solid var(--border-color);
            border-radius:var(--radius);padding:2rem 1.5rem;transition:var(--transition);position:relative;
        }
        .process-step:hover{border-color:var(--accent-gold);}
        .step-number{font-size:2rem;font-weight:800;color:var(--accent-gold);margin-bottom:0.5rem;}
        .process-step h4{color:var(--text-primary);margin-bottom:0.5rem;}

        /* Data Table */
        .data-table{width:100%;border-collapse:collapse;margin-top:2rem;background:var(--bg-card);border-radius:var(--radius);overflow:hidden;}
        .data-table th{background:var(--bg-secondary);color:var(--accent-gold);padding:1rem;text-align:left;font-weight:600;}
        .data-table td{padding:1rem;border-bottom:1px solid var(--border-color);color:var(--text-body);}
        .data-table tr:last-child td{border-bottom:none;}
        .data-table tr:hover{background:rgba(197,160,89,0.05);}

        /* FAQ */
        .faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:1rem;}
        .faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);overflow:hidden;transition:var(--transition);}
        .faq-item:hover{border-color:var(--accent-gold);}
        .faq-question{padding:1.25rem 1.5rem;cursor:pointer;font-weight:600;color:var(--text-primary);display:flex;justify-content:space-between;align-items:center;}
        .faq-answer{padding:0 1.5rem 1.25rem;color:var(--text-body);display:none;line-height:1.7;}
        .faq-item.active .faq-answer{display:block;}

        /* CTA */
        .cta-block{background:linear-gradient(135deg, #1E1E1E 0%, #2A2A2A 100%);padding:3rem;border-radius:var(--radius);text-align:center;border:1px solid var(--border-color);}
        .cta-block h2{color:var(--accent-gold);margin-bottom:1rem;}

        /* Footer */
        .site-footer{
            background:var(--bg-secondary);border-top:1px solid var(--border-color);
            padding:2.5rem 0;text-align:center;margin-top:2rem;
        }
        .footer-links{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap;margin-bottom:1.5rem;}

        @media(max-width:768px){
            .nav-links{display:none;}
            .auth-buttons{display:none;}
            .mobile-toggle{display:block;}
            .hero-content{flex-direction:column;text-align:center;}
            .hero-text h1{font-size:1.8rem;}
            section{padding:2.5rem 0;}
            .section-title{font-size:1.6rem;}
        }

/* roulang page: category2 */
:root {
            --bg-primary: #1A1A1A;
            --bg-secondary: #121212;
            --bg-card: #1E1E1E;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #B0B0B0;
            --border-color: #2E2E2E;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.6);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.15);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }
        html{scroll-behavior:smooth;}
        body{
            font-family:var(--font-body);
            background:var(--bg-primary);
            color:var(--text-body);
            line-height:1.6;
            -webkit-font-smoothing:antialiased;
            overflow-x:hidden;
        }
        .container{max-width:1200px;margin:0 auto;padding:0 1.5rem;}
        a{color:var(--accent-gold);text-decoration:none;transition:var(--transition);}
        a:hover{color:var(--accent-amber);}
        img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm);}
        .site-header{
            background:var(--bg-secondary);
            border-bottom:1px solid var(--border-color);
            position:sticky;top:0;z-index:100;
            padding:0.75rem 0;
            backdrop-filter:blur(10px);
        }
        .header-inner{
            display:flex;align-items:center;justify-content:space-between;
            flex-wrap:wrap;
        }
        .logo{
            font-size:1.5rem;font-weight:800;color:var(--accent-gold);
            font-family:var(--font-heading);
            letter-spacing:-0.5px;
            text-decoration:none;
        }
        .logo:hover{color:var(--accent-amber);}
        .nav-links{display:flex;gap:1.5rem;align-items:center;list-style:none;}
        .nav-links a{
            color:var(--text-body);font-weight:500;font-size:0.95rem;
            padding:0.5rem 0;position:relative;
        }
        .nav-links a.active,.nav-links a:hover{color:var(--accent-gold);}
        .nav-links a.active::after{
            content:'';position:absolute;bottom:-2px;left:0;width:100%;height:2px;
            background:var(--accent-gold);border-radius:2px;
        }
        .auth-buttons{display:flex;gap:0.75rem;align-items:center;}
        .btn-login{
            background:transparent;color:var(--text-primary);border:1px solid var(--border-color);
            padding:0.5rem 1.2rem;border-radius:var(--radius-sm);
            font-weight:600;font-size:0.9rem;cursor:pointer;transition:var(--transition);
        }
        .btn-login:hover{border-color:var(--accent-gold);color:var(--accent-gold);}
        .btn-signup{
            background:var(--accent-gold);color:#121212;border:none;
            padding:0.5rem 1.5rem;border-radius:var(--radius-sm);
            font-weight:700;font-size:0.9rem;cursor:pointer;transition:var(--transition);
        }
        .btn-signup:hover{background:var(--accent-amber);transform:translateY(-1px);box-shadow:var(--shadow-gold);}
        .mobile-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;}
        .mobile-menu{display:none;flex-direction:column;gap:1rem;padding:1rem 0;background:var(--bg-secondary);width:100%;}
        .btn-primary{
            background:var(--accent-gold);color:#121212;padding:0.85rem 2rem;
            border-radius:var(--radius-sm);font-weight:700;font-size:1rem;border:none;
            cursor:pointer;transition:var(--transition);display:inline-block;text-align:center;
        }
        .btn-primary:hover{background:var(--accent-amber);transform:translateY(-2px);box-shadow:var(--shadow-gold);color:#121212;}
        .btn-outline{
            background:transparent;color:var(--accent-gold);border:2px solid var(--accent-gold);
            padding:0.8rem 2rem;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;
            cursor:pointer;transition:var(--transition);display:inline-block;text-align:center;
        }
        .btn-outline:hover{background:var(--accent-gold);color:#121212;}
        section{padding:3.5rem 0;}
        .section-title{font-size:2rem;color:var(--text-primary);margin-bottom:0.75rem;font-weight:700;}
        .section-subtitle{color:var(--text-body);font-size:1.05rem;max-width:600px;margin-bottom:2rem;}
        .section-header{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:1rem;}

        .page-banner{
            background:linear-gradient(135deg, #0D0D0D 0%, #1A1A1A 50%, #121212 100%);
            padding:3rem 0;
            border-bottom:1px solid var(--border-color);
            position:relative;
            overflow:hidden;
        }
        .page-banner::before{
            content:'';
            position:absolute;
            top:-80px;
            right:-60px;
            width:400px;
            height:400px;
            background:radial-gradient(circle, rgba(197,160,89,0.1) 0%, transparent 70%);
            border-radius:50%;
        }
        .banner-grid{
            display:flex;
            align-items:center;
            gap:3rem;
            flex-wrap:wrap;
            position:relative;
            z-index:1;
        }
        .banner-text{flex:1 1 500px;}
        .banner-text h1{
            font-size:2.4rem;
            color:var(--accent-gold);
            margin-bottom:1rem;
            font-weight:800;
            line-height:1.3;
        }
        .banner-text p{
            font-size:1.1rem;
            color:var(--text-body);
            max-width:500px;
        }
        .banner-visual{
            flex:1 1 380px;
            text-align:center;
        }
        .banner-visual img{
            box-shadow:var(--shadow-md);
            border-radius:var(--radius);
        }
        .countdown-badge{
            display:inline-flex;
            align-items:center;
            gap:0.5rem;
            background:rgba(197,160,89,0.1);
            border:1px solid var(--accent-gold);
            padding:0.65rem 1.3rem;
            border-radius:50px;
            color:var(--accent-gold);
            font-weight:700;
            margin-bottom:1.5rem;
            font-size:0.95rem;
        }
        .countdown-badge i{color:var(--accent-amber);}

        .tech-showcase{
            background:var(--bg-secondary);
        }
        .tech-grid{
            display:grid;
            grid-template-columns:repeat(auto-fit, minmax(320px, 1fr));
            gap:2rem;
        }
        .tech-item{
            background:var(--bg-card);
            border:1px solid var(--border-color);
            border-radius:var(--radius);
            padding:2rem;
            transition:var(--transition);
            display:flex;
            gap:1.2rem;
            align-items:flex-start;
        }
        .tech-item:hover{
            border-color:var(--accent-gold);
            box-shadow:var(--shadow-gold);
        }
        .tech-icon{
            font-size:2.5rem;
            color:var(--accent-gold);
            flex-shrink:0;
        }
        .tech-text h3{
            color:var(--text-primary);
            font-size:1.3rem;
            margin-bottom:0.5rem;
            font-weight:700;
        }
        .tech-text p{
            font-size:0.95rem;
            color:var(--text-body);
            margin:0;
        }

        .comparison-flow{
            background:var(--bg-primary);
        }
        .comparison-row{
            display:flex;
            gap:2rem;
            flex-wrap:wrap;
            align-items:stretch;
        }
        .comparison-card{
            flex:1 1 280px;
            background:var(--bg-card);
            border:1px solid var(--border-color);
            border-radius:var(--radius);
            padding:2rem;
            text-align:left;
            position:relative;
            overflow:hidden;
            transition:var(--transition);
        }
        .comparison-card:hover{
            border-color:var(--accent-gold);
            transform:translateY(-4px);
        }
        .comparison-card .step-num{
            font-size:2.5rem;
            font-weight:900;
            color:var(--accent-gold);
            opacity:0.25;
            position:absolute;
            top:10px;
            right:20px;
            line-height:1;
        }
        .comparison-card h4{
            color:var(--text-primary);
            font-size:1.25rem;
            margin-bottom:0.75rem;
            font-weight:700;
        }
        .comparison-card p{
            font-size:0.95rem;
            color:var(--text-body);
        }
        .badge-info{
            display:inline-block;
            background:var(--accent-gold);
            color:#121212;
            padding:0.3rem 0.9rem;
            border-radius:50px;
            font-size:0.8rem;
            font-weight:700;
            margin-bottom:0.75rem;
        }

        .game-demo-grid{
            display:grid;
            grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
            gap:1.5rem;
        }
        .demo-card{
            background:var(--bg-card);
            border:1px solid var(--border-color);
            border-radius:var(--radius);
            overflow:hidden;
            transition:var(--transition);
        }
        .demo-card:hover{
            border-color:var(--accent-gold);
            box-shadow:var(--shadow-md);
        }
        .demo-card img{
            border-radius:0;
            width:100%;
            height:180px;
            object-fit:cover;
        }
        .demo-info{
            padding:1.25rem;
        }
        .demo-info h4{
            color:var(--text-primary);
            font-size:1.1rem;
            font-weight:700;
            margin-bottom:0.4rem;
        }
        .demo-info .tag{
            display:inline-block;
            background:rgba(197,160,89,0.15);
            color:var(--accent-gold);
            padding:0.2rem 0.8rem;
            border-radius:50px;
            font-size:0.8rem;
            font-weight:600;
        }

        .faq-section{
            background:var(--bg-secondary);
        }
        .faq-list{
            max-width:800px;
            margin:0 auto;
        }
        .faq-item{
            border-bottom:1px solid var(--border-color);
            padding:1.5rem 0;
        }
        .faq-item:first-child{
            border-top:1px solid var(--border-color);
        }
        .faq-question{
            font-weight:700;
            color:var(--text-primary);
            font-size:1.15rem;
            cursor:pointer;
            display:flex;
            justify-content:space-between;
            align-items:center;
        }
        .faq-question i{
            color:var(--accent-gold);
            transition:var(--transition);
        }
        .faq-answer{
            color:var(--text-body);
            margin-top:0.75rem;
            display:none;
            line-height:1.7;
            font-size:0.98rem;
        }
        .faq-item.open .faq-answer{
            display:block;
        }
        .faq-item.open .faq-question i{
            transform:rotate(180deg);
        }

        .cta-action{
            background:linear-gradient(135deg, #1A1A1A 0%, #121212 100%);
            text-align:center;
            border-top:1px solid var(--border-color);
        }
        .cta-action .cta-box{
            max-width:650px;
            margin:0 auto;
            background:var(--bg-card);
            border:1px solid var(--border-color);
            border-radius:var(--radius);
            padding:2.5rem 2rem;
        }
        .cta-box h2{
            color:var(--text-primary);
            margin-bottom:0.75rem;
        }
        .cta-box p{
            color:var(--text-body);
            margin-bottom:1.5rem;
        }

        .site-footer{
            background:var(--bg-secondary);
            border-top:1px solid var(--border-color);
            padding:2.5rem 0;
            text-align:center;
            font-size:0.9rem;
        }
        .footer-links{
            display:flex;
            gap:1.5rem;
            justify-content:center;
            flex-wrap:wrap;
            margin:1rem 0;
        }
        .footer-links a{
            color:var(--text-body);
            font-weight:500;
        }
        .footer-links a:hover{color:var(--accent-gold);}

        @media (max-width:1024px){
            .banner-text h1{font-size:2rem;}
            .section-title{font-size:1.75rem;}
        }
        @media (max-width:768px){
            .nav-links,.auth-buttons{display:none;}
            .mobile-toggle{display:block;}
            .mobile-menu.active{display:flex;}
            .hero-content,.banner-grid{flex-direction:column;text-align:center;}
            .banner-text h1{font-size:1.8rem;}
            .banner-text p{max-width:100%;}
            section{padding:2.5rem 0;}
        }
        @media (max-width:520px){
            .container{padding:0 1rem;}
            .tech-item{flex-direction:column;text-align:center;align-items:center;}
            .hero-actions,.cta-box .btn-group{flex-direction:column;}
        }

/* roulang page: category3 */
:root {
            --bg-primary: #1A1A1A;
            --bg-secondary: #121212;
            --bg-card: #1E1E1E;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #B0B0B0;
            --border-color: #2E2E2E;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.6);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.15);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }

        html{scroll-behavior:smooth;}
        body{
            font-family:var(--font-body);
            background:var(--bg-primary);
            color:var(--text-body);
            line-height:1.6;
            -webkit-font-smoothing:antialiased;
            overflow-x:hidden;
            margin:0;
            padding:0;
        }
        .container{max-width:1200px;margin:0 auto;padding:0 1.5rem;}
        a{color:var(--accent-gold);text-decoration:none;transition:var(--transition);}
        a:hover{color:var(--accent-amber);}
        img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm);}

        /* Header/Nav */
        .site-header{
            background:var(--bg-secondary);
            border-bottom:1px solid var(--border-color);
            position:sticky;top:0;z-index:100;
            padding:0.75rem 0;
            backdrop-filter:blur(10px);
        }
        .header-inner{
            display:flex;align-items:center;justify-content:space-between;
            flex-wrap:wrap;
        }
        .logo{
            font-size:1.5rem;font-weight:800;color:var(--accent-gold);
            font-family:var(--font-heading);
            letter-spacing:-0.5px;
            text-decoration:none;
        }
        .logo:hover{color:var(--accent-amber);}
        .nav-links{display:flex;gap:1.5rem;align-items:center;list-style:none;margin:0;padding:0;}
        .nav-links a{
            color:var(--text-body);font-weight:500;font-size:0.95rem;
            padding:0.5rem 0;position:relative;text-decoration:none;
        }
        .nav-links a.active,.nav-links a:hover{color:var(--accent-gold);}
        .nav-links a.active::after{
            content:'';position:absolute;bottom:-2px;left:0;width:100%;height:2px;
            background:var(--accent-gold);border-radius:2px;
        }
        .auth-buttons{display:flex;gap:0.75rem;align-items:center;}
        .btn-login{
            background:transparent;color:var(--text-primary);border:1px solid var(--border-color);
            padding:0.5rem 1.2rem;border-radius:var(--radius-sm);
            font-weight:600;font-size:0.9rem;cursor:pointer;transition:var(--transition);text-decoration:none;display:inline-block;
        }
        .btn-login:hover{border-color:var(--accent-gold);color:var(--accent-gold);cursor:pointer;}
        .btn-signup{
            background:var(--accent-gold);color:#121212;border:none;
            padding:0.5rem 1.5rem;border-radius:var(--radius-sm);
            font-weight:700;font-size:0.9rem;cursor:pointer;transition:var(--transition);text-decoration:none;display:inline-block;
        }
        .btn-signup:hover{background:var(--accent-amber);transform:translateY(-1px);box-shadow:var(--shadow-gold);color:#121212;}
        .mobile-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;}
        .mobile-menu{display:none;flex-direction:column;gap:1rem;padding:1rem 0;background:var(--bg-secondary);width:100%;}

        /* Hero Banner */
        .hero-banner{
            background:linear-gradient(135deg, #121212 0%, #1E1E1E 70%, #252525 100%);
            padding:3rem 0;position:relative;overflow:hidden;
            border-bottom:1px solid var(--border-color);
        }
        .hero-banner::before{
            content:'';position:absolute;top:-50px;right:-50px;
            width:350px;height:350px;background:radial-gradient(circle, rgba(197,160,89,0.08) 0%, transparent 70%);
            border-radius:50%;
        }
        .banner-content{position:relative;z-index:1;display:flex;align-items:center;gap:2rem;flex-wrap:wrap;}
        .banner-text{flex:1 1 500px;}
        .banner-text h1{color:var(--accent-gold);font-size:2.2rem;font-weight:700;margin-bottom:0.75rem;font-family:var(--font-heading);}
        .banner-text p{font-size:1.1rem;color:var(--text-body);margin-bottom:1.5rem;max-width:550px;}
        .banner-stats{display:flex;gap:2rem;flex-wrap:wrap;margin-top:1.5rem;}
        .stat-badge{text-align:left;}
        .stat-badge .stat-number{font-size:2rem;font-weight:800;color:var(--accent-amber);display:block;line-height:1.2;}
        .stat-badge .stat-label{font-size:0.9rem;color:var(--text-muted);}
        .banner-image{flex:1 1 280px;text-align:center;}
        .banner-image img{border-radius:var(--radius);box-shadow:var(--shadow-md);max-width:320px;margin:0 auto;}

        /* Primary Button Global */
        .btn-primary{
            background:var(--accent-gold);color:#121212;padding:0.85rem 2rem;
            border-radius:var(--radius-sm);font-weight:700;font-size:1rem;border:none;
            cursor:pointer;transition:var(--transition);display:inline-block;text-align:center;text-decoration:none;
        }
        .btn-primary:hover{background:var(--accent-amber);transform:translateY(-2px);box-shadow:var(--shadow-gold);color:#121212;}
        .btn-outline{
            background:transparent;color:var(--accent-gold);border:2px solid var(--accent-gold);
            padding:0.8rem 2rem;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;
            cursor:pointer;transition:var(--transition);display:inline-block;text-align:center;text-decoration:none;
        }
        .btn-outline:hover{background:var(--accent-gold);color:#121212;}

        /* Section General */
        section{padding:3.5rem 0;}
        .section-title{font-size:2rem;color:var(--text-primary);margin-bottom:0.75rem;font-weight:700;font-family:var(--font-heading);}
        .section-subtitle{color:var(--text-body);font-size:1.05rem;max-width:650px;margin-bottom:2rem;}

        /* Process Steps */
        .process-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;}
        .process-card{
            background:var(--bg-card);border:1px solid var(--border-color);
            border-radius:var(--radius);padding:1.8rem;transition:var(--transition);
            text-align:left;
        }
        .process-card:hover{border-color:var(--accent-gold);box-shadow:var(--shadow-gold);}
        .process-icon{font-size:2rem;color:var(--accent-gold);margin-bottom:1rem;}
        .process-card h3{color:var(--text-primary);font-size:1.2rem;margin-bottom:0.5rem;}
        .process-card p{color:var(--text-body);font-size:0.95rem;line-height:1.6;}

        /* Safety Checklist */
        .check-list{list-style:none;padding:0;margin:0;}
        .check-list li{
            background:var(--bg-card);border:1px solid var(--border-color);
            border-radius:var(--radius-sm);padding:1rem 1.5rem;margin-bottom:0.75rem;
            display:flex;align-items:center;gap:1rem;font-size:1rem;color:var(--text-primary);
            transition:var(--transition);
        }
        .check-list li:hover{border-color:var(--accent-gold);}
        .check-list li i{color:var(--accent-amber);font-size:1.3rem;}

        /* Platform Cards */
        .platform-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;}
        .platform-card{
            background:var(--bg-card);border:1px solid var(--border-color);
            border-radius:var(--radius);padding:1.5rem;transition:var(--transition);
            text-align:left;
        }
        .platform-card:hover{border-color:var(--accent-gold);transform:translateY(-4px);box-shadow:var(--shadow-md);}
        .platform-card h4{color:var(--accent-gold);font-size:1.2rem;margin-bottom:0.5rem;}
        .platform-card p{color:var(--text-body);font-size:0.95rem;margin-bottom:1rem;}
        .platform-badge{display:inline-block;background:rgba(197,160,89,0.1);color:var(--accent-gold);padding:0.3rem 0.8rem;border-radius:20px;font-size:0.8rem;font-weight:600;}

        /* Comparison Table */
        .compare-table{
            width:100%;background:var(--bg-card);border-radius:var(--radius);overflow:hidden;
            border:1px solid var(--border-color);
        }
        .compare-table table{width:100%;border-collapse:collapse;margin:0;}
        .compare-table th{
            background:var(--bg-secondary);color:var(--accent-gold);padding:1rem;text-align:left;font-weight:700;
            border-bottom:2px solid var(--border-color);
        }
        .compare-table td{
            padding:1rem;border-bottom:1px solid var(--border-color);color:var(--text-body);
        }
        .compare-table tr:last-child td{border-bottom:none;}
        .compare-table tr:hover td{background:rgba(197,160,89,0.03);}

        /* FAQ */
        .faq-grid{display:flex;flex-direction:column;gap:1rem;}
        .faq-item{
            background:var(--bg-card);border:1px solid var(--border-color);
            border-radius:var(--radius);padding:1.5rem;transition:var(--transition);
        }
        .faq-item:hover{border-color:var(--accent-gold);}
        .faq-item h4{color:var(--text-primary);font-size:1.1rem;margin-bottom:0.5rem;cursor:pointer;}
        .faq-item p{color:var(--text-body);font-size:0.95rem;line-height:1.6;}

        /* CTA Section */
        .cta-section{
            background:linear-gradient(135deg, #1E1E1E, #252525);
            border:1px solid var(--border-color);
            border-radius:var(--radius);
            padding:3rem 2rem;text-align:center;margin:2rem 0;
        }
        .cta-section h3{color:var(--accent-gold);font-size:1.8rem;margin-bottom:1rem;}
        .cta-section p{color:var(--text-body);margin-bottom:1.5rem;max-width:500px;margin-left:auto;margin-right:auto;}

        /* Footer */
        .site-footer{
            background:var(--bg-secondary);border-top:1px solid var(--border-color);
            padding:2.5rem 0;margin-top:2rem;
        }
        .footer-links{display:flex;gap:1.5rem;flex-wrap:wrap;margin-bottom:1.5rem;}
        .footer-links a{color:var(--text-body);font-size:0.9rem;}
        .footer-links a:hover{color:var(--accent-gold);}

        /* FAB Left */
        .fab-left{
            position:fixed;left:1.5rem;bottom:2rem;z-index:50;
            background:var(--bg-card);border:2px solid var(--accent-gold);
            border-radius:50%;width:52px;height:52px;display:flex;align-items:center;justify-content:center;
            color:var(--accent-gold);font-size:1.5rem;box-shadow:var(--shadow-gold);
            transition:var(--transition);cursor:pointer;text-decoration:none;
        }
        .fab-left:hover{background:var(--accent-gold);color:#121212;transform:scale(1.1);}

        @media(max-width: 1024px){
            .header-inner{flex-wrap:wrap;}
            .nav-links{gap:1rem;font-size:0.9rem;}
        }
        @media(max-width: 768px){
            .mobile-toggle{display:block;}
            .nav-links{display:none;}
            .mobile-menu.active{display:flex;}
            .hero-banner{padding:2rem 0;}
            .banner-content{flex-direction:column;text-align:left;}
            .banner-stats{justify-content:flex-start;}
            .process-grid{grid-template-columns:1fr;}
            .platform-grid{grid-template-columns:1fr;}
            .compare-table{overflow-x:auto;}
        }
        @media(max-width: 520px){
            .logo{font-size:1.3rem;}
            .btn-login,.btn-signup{padding:0.4rem 0.8rem;font-size:0.8rem;}
            .btn-primary,.btn-outline{padding:0.7rem 1.5rem;font-size:0.9rem;}
        }

/* roulang page: category4 */
:root {
            --bg-primary: #1A1A1A;
            --bg-secondary: #121212;
            --bg-card: #1E1E1E;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #B0B0B0;
            --border-color: #2E2E2E;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.6);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.15);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }
        html{scroll-behavior:smooth;}
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
        body{
            font-family:var(--font-body);
            background:var(--bg-primary);
            color:var(--text-body);
            line-height:1.65;
            -webkit-font-smoothing:antialiased;
            overflow-x:hidden;
        }
        .container{max-width:1200px;margin:0 auto;padding:0 1.5rem;}
        a{color:var(--accent-gold);text-decoration:none;transition:var(--transition);}
        a:hover{color:var(--accent-amber);}
        img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm);}
        h1,h2,h3,h4{color:var(--text-primary);font-weight:700;line-height:1.3;}
        h1{font-size:2.5rem;}
        h2{font-size:2rem;}
        h3{font-size:1.4rem;}
        .site-header{
            background:var(--bg-secondary);
            border-bottom:1px solid var(--border-color);
            position:sticky;top:0;z-index:100;
            padding:0.75rem 0;
            backdrop-filter:blur(10px);
        }
        .header-inner{
            display:flex;align-items:center;justify-content:space-between;
            flex-wrap:wrap;
        }
        .logo{
            font-size:1.5rem;font-weight:800;color:var(--accent-gold);
            font-family:var(--font-heading);
            letter-spacing:-0.5px;
            text-decoration:none;
        }
        .logo:hover{color:var(--accent-amber);}
        .nav-links{display:flex;gap:1.5rem;align-items:center;list-style:none;}
        .nav-links a{
            color:var(--text-body);font-weight:500;font-size:0.95rem;
            padding:0.5rem 0;position:relative;
        }
        .nav-links a.active,.nav-links a:hover{color:var(--accent-gold);}
        .nav-links a.active::after{
            content:'';position:absolute;bottom:-2px;left:0;width:100%;height:2px;
            background:var(--accent-gold);border-radius:2px;
        }
        .auth-buttons{display:flex;gap:0.75rem;align-items:center;}
        .btn-login{
            background:transparent;color:var(--text-primary);border:1px solid var(--border-color);
            padding:0.5rem 1.2rem;border-radius:var(--radius-sm);
            font-weight:600;font-size:0.9rem;cursor:pointer;transition:var(--transition);
        }
        .btn-login:hover{border-color:var(--accent-gold);color:var(--accent-gold);}
        .btn-signup{
            background:var(--accent-gold);color:#121212;border:none;
            padding:0.5rem 1.5rem;border-radius:var(--radius-sm);
            font-weight:700;font-size:0.9rem;cursor:pointer;transition:var(--transition);
        }
        .btn-signup:hover{background:var(--accent-amber);transform:translateY(-1px);box-shadow:var(--shadow-gold);}
        .mobile-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;}
        .mobile-menu{display:none;flex-direction:column;gap:1rem;padding:1rem 0;background:var(--bg-secondary);width:100%;}

        .hero{
            background:linear-gradient(135deg, #121212 0%, #1E1E1E 70%, #252525 100%);
            padding:4rem 0;position:relative;overflow:hidden;
            border-bottom:1px solid var(--border-color);
        }
        .hero::before{
            content:'';position:absolute;top:-50px;right:-50px;
            width:350px;height:350px;background:radial-gradient(circle, rgba(197,160,89,0.08) 0%, transparent 70%);
            border-radius:50%;
        }
        .hero-content{display:flex;align-items:center;gap:3rem;flex-wrap:wrap;position:relative;z-index:1;}
        .hero-text{flex:1 1 500px;}
        .hero-text h1{color:var(--accent-gold);margin-bottom:1rem;}
        .hero-text p{font-size:1.15rem;color:var(--text-body);margin-bottom:1.5rem;max-width:550px;}
        .hero-actions{display:flex;gap:1rem;flex-wrap:wrap;}
        .btn-primary{
            background:var(--accent-gold);color:#121212;padding:0.85rem 2rem;
            border-radius:var(--radius-sm);font-weight:700;font-size:1rem;border:none;
            cursor:pointer;transition:var(--transition);display:inline-block;text-align:center;
        }
        .btn-primary:hover{background:var(--accent-amber);transform:translateY(-2px);box-shadow:var(--shadow-gold);color:#121212;}
        .btn-outline{
            background:transparent;color:var(--accent-gold);border:2px solid var(--accent-gold);
            padding:0.8rem 2rem;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;
            cursor:pointer;transition:var(--transition);display:inline-block;text-align:center;
        }
        .btn-outline:hover{background:var(--accent-gold);color:#121212;}
        .hero-visual{
            flex:1 1 300px;display:flex;flex-direction:column;align-items:center;gap:1rem;
        }
        .hero-visual img{border-radius:var(--radius);box-shadow:var(--shadow-md);}
        .countdown-bar{
            background:var(--bg-card);border:1px solid var(--accent-gold);
            border-radius:50px;padding:0.6rem 1.8rem;display:inline-flex;align-items:center;gap:0.5rem;
            font-weight:700;color:var(--accent-amber);margin-bottom:1rem;
        }

        section{padding:3.5rem 0;}
        .section-title{font-size:2rem;color:var(--text-primary);margin-bottom:0.75rem;font-weight:700;}
        .section-subtitle{color:var(--text-body);font-size:1.05rem;max-width:600px;margin-bottom:2rem;}

        .community-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin:2rem 0;}
        .community-card{
            background:var(--bg-card);border:1px solid var(--border-color);
            border-radius:var(--radius);padding:2rem;transition:var(--transition);
            display:flex;flex-direction:column;gap:1rem;
        }
        .community-card:hover{border-color:var(--accent-gold);transform:translateY(-4px);box-shadow:var(--shadow-gold);}
        .card-icon{font-size:2.2rem;color:var(--accent-gold);}
        .card-stats{display:flex;gap:1.5rem;font-size:0.9rem;color:var(--text-muted);}

        .thread-list{display:flex;flex-direction:column;gap:1rem;}
        .thread-item{
            background:var(--bg-card);border:1px solid var(--border-color);
            border-radius:var(--radius-sm);padding:1.2rem 1.5rem;display:flex;align-items:center;
            gap:1rem;transition:var(--transition);flex-wrap:wrap;
        }
        .thread-item:hover{border-color:var(--accent-amber);}
        .thread-avatar{
            width:48px;height:48px;background:var(--accent-gold);
            border-radius:50%;display:flex;align-items:center;justify-content:center;
            color:#121212;font-weight:800;font-size:1.2rem;flex-shrink:0;
        }
        .thread-info{flex:1 1 300px;}
        .thread-tag{
            background:rgba(197,160,89,0.15);color:var(--accent-gold);
            padding:0.2rem 0.8rem;border-radius:20px;font-size:0.8rem;font-weight:600;
        }

        .highlight-box{
            background:var(--bg-card);border-left:4px solid var(--accent-gold);
            padding:1.5rem 2rem;border-radius:var(--radius-sm);margin:2rem 0;
        }

        .faq-list{max-width:800px;margin:2rem 0;}
        .faq-item{border-bottom:1px solid var(--border-color);padding:1.2rem 0;}
        .faq-question{font-weight:700;color:var(--text-primary);cursor:pointer;display:flex;justify-content:space-between;align-items:center;}
        .faq-answer{color:var(--text-body);padding-top:0.75rem;display:none;}
        .faq-item.open .faq-answer{display:block;}
        .faq-question i{transition:var(--transition);}
        .faq-item.open .faq-question i{transform:rotate(180deg);color:var(--accent-gold);}

        .cta-section{
            background:linear-gradient(135deg, #1e1e1e, #121212);
            border-radius:var(--radius);padding:3rem 2rem;text-align:center;
            border:1px solid var(--border-color);margin-top:2rem;
        }

        .fab-left{
            position:fixed;left:1.5rem;bottom:5rem;z-index:50;
            width:52px;height:52px;border-radius:50%;
            background:var(--bg-card);border:2px solid var(--accent-gold);
            display:flex;align-items:center;justify-content:center;
            color:var(--accent-gold);font-size:1.5rem;
            cursor:pointer;transition:var(--transition);
            box-shadow:0 4px 20px rgba(197,160,89,0.3);
            opacity:0.8;
        }
        .fab-left:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 25px rgba(197,160,89,0.5);}

        .site-footer{
            background:var(--bg-secondary);border-top:1px solid var(--border-color);
            padding:2.5rem 0 1.5rem;text-align:center;margin-top:3rem;
        }
        .footer-links{display:flex;gap:2rem;justify-content:center;flex-wrap:wrap;margin-bottom:1.5rem;}

        @media(max-width:1024px){
            .hero-content{flex-direction:column;text-align:center;}
            .hero-text p{max-width:100%;}
            .hero-actions{justify-content:center;}
        }
        @media(max-width:768px){
            .nav-links,.auth-buttons{display:none;}
            .mobile-toggle{display:block;}
            .mobile-menu.active{display:flex;}
            h1{font-size:2rem;}
            h2{font-size:1.6rem;}
            section{padding:2.5rem 0;}
            .community-grid{grid-template-columns:1fr;}
        }
        @media(max-width:520px){
            .thread-item{flex-direction:column;align-items:flex-start;}
            .hero{padding:2.5rem 0;}
        }