/* roulang page: index */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-tertiary: #1F1F23;
            --accent-gold: #F59E0B;
            --accent-gold-dark: #D97706;
            --accent-crimson: #DC2626;
            --accent-green: #10B981;
            --text-primary: #F8FAFC;
            --text-secondary: #D1D5DB;
            --text-muted: #9CA3AF;
            --text-gold: #FCD34D;
            --border-subtle: rgba(245, 158, 11, 0.2);
            --border-medium: rgba(245, 158, 11, 0.4);
            --border-strong: #F59E0B;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.25);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.35);
            --shadow-gold: 0 0 16px rgba(245,158,11,0.25);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height: 72px;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color 0.2s}
        ul{list-style:none}
        .container{max-width:var(--max-width);margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
        @media(max-width:1024px){.container{padding-left:16px;padding-right:16px}}
        @media(max-width:520px){.container{padding-left:12px;padding-right:12px}}
        .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

        /* HEADER */
        .site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(9,9,11,0.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border-subtle);height:var(--header-height)}
        .header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-height)}
        .logo{font-weight:800;font-size:1.35rem;color:var(--text-gold);letter-spacing:-0.01em;white-space:nowrap;display:flex;align-items:center;gap:6px}
        .logo-icon{font-size:1.5rem}
        .nav-links{display:flex;align-items:center;gap:28px}
        .nav-links a{font-size:0.92rem;font-weight:500;color:var(--text-secondary);padding:6px 0;border-bottom:2px solid transparent;transition:color 0.2s,border-color 0.2s}
        .nav-links a:hover,.nav-links a.active{color:var(--text-gold);border-bottom-color:var(--accent-gold)}
        .header-actions{display:flex;align-items:center;gap:12px}
        .btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:0.9rem;padding:10px 22px;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:all 0.25s;white-space:nowrap}
        .btn-outline{background:transparent;border:1.5px solid var(--border-medium);color:var(--text-gold)}
        .btn-outline:hover{background:rgba(245,158,11,0.08);border-color:var(--accent-gold)}
        .btn-solid{background:linear-gradient(135deg,var(--accent-gold),var(--accent-gold-dark));color:var(--bg-primary);font-weight:700;box-shadow:var(--shadow-gold)}
        .btn-solid:hover{transform:translateY(-1px);box-shadow:0 0 24px rgba(245,158,11,0.4)}
        .btn-solid:active{transform:translateY(0)}
        .mobile-menu-btn{display:none;background:none;border:none;color:var(--text-primary);font-size:1.6rem;cursor:pointer;padding:4px}
        @media(max-width:768px){
            .nav-links{display:none;position:absolute;top:var(--header-height);left:0;right:0;background:rgba(9,9,11,0.98);flex-direction:column;gap:0;padding:12px 20px;border-bottom:1px solid var(--border-subtle)}
            .nav-links.open{display:flex}
            .nav-links a{padding:12px 0;width:100%;border-bottom:1px solid rgba(255,255,255,0.05);font-size:1rem}
            .mobile-menu-btn{display:block}
            .header-actions .btn-outline,.header-actions .btn-solid{padding:8px 16px;font-size:0.82rem}
        }
        @media(max-width:400px){
            .header-actions{gap:8px}
            .header-actions .btn{padding:7px 12px;font-size:0.78rem}
        }

        /* HERO */
        .hero{position:relative;padding:160px 0 100px;background:radial-gradient(ellipse at 50% 0%, rgba(245,158,11,0.08) 0%, transparent 60%), var(--bg-primary);overflow:hidden}
        .hero::before{content:'';position:absolute;top:0;right:0;width:50%;height:100%;background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;opacity:0.15;pointer-events:none}
        @media(max-width:768px){.hero::before{width:100%;opacity:0.08}}
        .hero .container{position:relative;z-index:2;display:flex;align-items:center;gap:48px}
        @media(max-width:768px){.hero .container{flex-direction:column;text-align:center;gap:32px}}
        .hero-content{flex:1}
        .hero-badge{display:inline-block;background:rgba(16,185,129,0.15);color:var(--accent-green);font-weight:600;font-size:0.85rem;padding:6px 16px;border-radius:99px;margin-bottom:16px;border:1px solid rgba(16,185,129,0.3)}
        .hero h1{font-size:2.8rem;font-weight:800;line-height:1.2;color:var(--text-primary);margin-bottom:18px;letter-spacing:-0.02em}
        .hero h1 .gold{color:var(--text-gold)}.hero p{font-size:1.1rem;color:var(--text-secondary);line-height:1.7;max-width:580px;margin-bottom:28px}
        @media(max-width:520px){.hero h1{font-size:1.9rem}.hero p{font-size:1rem}}
        .hero-cta-group{display:flex;gap:14px;flex-wrap:wrap}
        @media(max-width:768px){.hero-cta-group{justify-content:center}}
        .hero-stats{display:flex;gap:32px;margin-top:32px;flex-wrap:wrap}
        @media(max-width:768px){.hero-stats{justify-content:center}}
        .hero-stat{text-align:center}.hero-stat-value{font-size:2rem;font-weight:800;color:var(--text-gold)}.hero-stat-label{font-size:0.85rem;color:var(--text-muted)}
        .hero-visual{flex:0 0 420px;position:relative}
        @media(max-width:768px){.hero-visual{flex:0 0 auto;width:100%;max-width:360px}}
        .hero-visual img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg),0 0 40px rgba(245,158,11,0.1)}
        .hero-trust-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
        .hero-trust-item{display:flex;align-items:center;gap:10px;font-size:0.92rem;color:var(--text-secondary)}
        .hero-trust-item .check{color:var(--accent-green);font-weight:700;font-size:1.1rem}

        /* SECTION BASE */
        .section{padding:80px 0}
        @media(max-width:768px){.section{padding:56px 0}}
        .section-tag{display:inline-block;font-weight:700;font-size:0.8rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--accent-gold);margin-bottom:10px}
        .section-title{font-size:2rem;font-weight:750;color:var(--text-primary);margin-bottom:14px;letter-spacing:-0.01em}
        .section-subtitle{font-size:1.05rem;color:var(--text-muted);max-width:640px;line-height:1.65;margin-bottom:36px}
        @media(max-width:520px){.section-title{font-size:1.55rem}}

        /* SELLING POINTS TRIPLE */
        .selling-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
        @media(max-width:768px){.selling-grid{grid-template-columns:1fr}}
        .selling-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:32px 24px;transition:all 0.3s}
        .selling-card:hover{border-color:var(--border-medium);box-shadow:var(--shadow-gold);transform:translateY(-4px)}
        .selling-icon{font-size:2.2rem;margin-bottom:16px;display:block}
        .selling-card h3{font-size:1.2rem;font-weight:700;margin-bottom:10px;color:var(--text-primary)}
        .selling-card p{font-size:0.93rem;color:var(--text-muted);line-height:1.6}

        /* CATEGORY MATRIX */
        .category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        @media(max-width:768px){.category-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:400px){.category-grid{grid-template-columns:1fr}}
        .category-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-tertiary);border:1px solid var(--border-subtle);transition:all 0.3s;min-height:200px;display:flex;align-items:flex-end}
        .category-card:hover{border-color:var(--border-medium);box-shadow:var(--shadow-md);transform:translateY(-3px)}
        .category-card img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0.5;transition:opacity 0.3s}
        .category-card:hover img{opacity:0.7}
        .category-card-content{position:relative;z-index:2;padding:20px;width:100%;background:linear-gradient(transparent,rgba(0,0,0,0.85))}
        .category-card h4{font-size:1.05rem;font-weight:700;color:var(--text-primary)}
        .category-card p{font-size:0.85rem;color:var(--text-muted);margin-top:4px}

        /* CMS LIST */
        .cms-list{display:grid;grid-template-columns:1fr 340px;gap:32px}
        @media(max-width:768px){.cms-list{grid-template-columns:1fr}}
        .cms-main .cms-item{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--border-subtle)}
        .cms-main .cms-item:last-child{border-bottom:none}
        .cms-thumb{flex:0 0 100px;height:70px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-tertiary)}
        .cms-thumb img{width:100%;height:100%;object-fit:cover}
        .cms-info h5{font-size:0.98rem;font-weight:700;color:var(--text-primary);line-height:1.4}
        .cms-info h5:hover{color:var(--text-gold)}
        .cms-info .cms-meta{font-size:0.8rem;color:var(--text-muted);margin-top:4px}
        .cms-sidebar{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:24px;border:1px solid var(--border-subtle);height:fit-content}
        .cms-sidebar h4{font-size:1.1rem;font-weight:700;margin-bottom:14px;color:var(--text-gold)}
        .cms-sidebar .sidebar-item{padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.04);font-size:0.9rem;color:var(--text-secondary)}
        .cms-sidebar .sidebar-item:last-child{border-bottom:none}
        .cms-sidebar .sidebar-item:hover{color:var(--text-gold)}

        /* HOT TOPICS */
        .topics-scroll{display:flex;gap:18px;overflow-x:auto;padding-bottom:12px;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--border-subtle) transparent}
        .topics-scroll::-webkit-scrollbar{height:6px}
        .topics-scroll::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:8px}
        .topic-card{flex:0 0 260px;background:var(--bg-secondary);border-radius:var(--radius-md);padding:22px;border:1px solid var(--border-subtle);transition:all 0.3s}
        .topic-card:hover{border-color:var(--border-medium)}.topic-card h5{font-weight:700;margin-bottom:6px}.topic-card p{font-size:0.85rem;color:var(--text-muted);line-height:1.5}

        /* DATA METRICS */
        .metrics-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
        @media(max-width:768px){.metrics-row{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:400px){.metrics-row{grid-template-columns:1fr}}
        .metric-card{background:var(--bg-tertiary);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;border:1px solid var(--border-subtle)}
        .metric-value{font-size:2.4rem;font-weight:800;color:var(--text-gold);line-height:1}.metric-label{font-size:0.9rem;color:var(--text-muted);margin-top:6px}

        /* TESTIMONIALS */
        .testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        @media(max-width:768px){.testi-grid{grid-template-columns:1fr}}
        .testi-card{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:24px;border:1px solid var(--border-subtle)}
        .testi-stars{color:var(--accent-gold);font-size:1.1rem;margin-bottom:8px}.testi-text{font-size:0.93rem;color:var(--text-secondary);line-height:1.6;margin-bottom:12px}.testi-author{font-weight:700;font-size:0.9rem;color:var(--text-primary)}

        /* CONTACT ENTRY */
        .contact-entry{background:linear-gradient(135deg,var(--bg-tertiary),var(--bg-secondary));border-radius:var(--radius-xl);padding:40px 32px;border:1px solid var(--border-subtle);display:flex;align-items:center;gap:24px;flex-wrap:wrap}
        .contact-entry .contact-icon{font-size:2.8rem}
        .contact-entry h3{flex:1;font-size:1.3rem}
        .contact-entry .btn-solid{padding:12px 28px}

        /* FLOATING CTA */
        .fab-cta{position:fixed;left:20px;bottom:80px;z-index:90;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--accent-gold),var(--accent-gold-dark));border:2px solid var(--accent-gold);color:var(--bg-primary);font-size:1.8rem;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 6px 30px rgba(245,158,11,0.35);transition:all 0.3s;animation:fabFloat 3s ease-in-out infinite}
        .fab-cta:hover{transform:scale(1.12);box-shadow:0 8px 36px rgba(245,158,11,0.5)}.fab-cta:active{transform:scale(0.94)}
        @keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
        .fab-badge{position:absolute;top:-3px;right:-3px;width:16px;height:16px;background:var(--accent-crimson);border-radius:50%;border:2px solid #fff;animation:pulseBadge 1.8s infinite}
        @keyframes pulseBadge{0%,100%{opacity:1}50%{opacity:0.5}}
        @media(max-width:520px){.fab-cta{width:48px;height:48px;font-size:1.5rem;bottom:70px;left:12px}}

        /* FOOTER */
        .site-footer{background:var(--bg-secondary);border-top:1px solid var(--border-subtle);padding:48px 0 28px}
        .footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px}
        @media(max-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:400px){.footer-grid{grid-template-columns:1fr}}
        .footer-col h4{font-weight:700;margin-bottom:14px;color:var(--text-gold)}
        .footer-col a,.footer-col p{font-size:0.9rem;color:var(--text-muted);display:block;margin-bottom:8px;transition:color 0.2s}
        .footer-col a:hover{color:var(--text-gold)}
        .footer-bottom{text-align:center;padding-top:28px;margin-top:28px;border-top:1px solid var(--border-subtle);font-size:0.85rem;color:var(--text-muted)}

/* roulang page: article */
/* roulang page: article */
        :root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-tertiary: #1F1F23;
            --accent-gold: #F59E0B;
            --accent-gold-dark: #D97706;
            --accent-crimson: #DC2626;
            --accent-green: #10B981;
            --text-primary: #F8FAFC;
            --text-secondary: #D1D5DB;
            --text-muted: #9CA3AF;
            --text-gold: #FCD34D;
            --border-subtle: rgba(245, 158, 11, 0.2);
            --border-medium: rgba(245, 158, 11, 0.4);
            --border-strong: #F59E0B;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.25);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.35);
            --shadow-gold: 0 0 16px rgba(245,158,11,0.25);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height: 72px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-sans); background-color: var(--bg-primary); color: var(--text-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color 0.2s; }
        .container { max-width: var(--max-width); margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }

        /* HEADER */
        .site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(9,9,11,0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid var(--border-subtle); height: var(--header-height); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }
        .logo { font-weight: 800; font-size: 1.35rem; color: var(--text-gold); letter-spacing: -0.01em; white-space: nowrap; display: flex; align-items: center; gap: 6px; }
        .logo-icon { font-size: 1.5rem; }
        .nav-links { display: flex; align-items: center; gap: 28px; }
        .nav-links a { font-size: 0.92rem; font-weight: 500; color: var(--text-secondary); padding: 6px 0; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s; }
        .nav-links a:hover, .nav-links a.active { color: var(--text-gold); border-bottom-color: var(--accent-gold); }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; font-weight: 600; font-size: 0.9rem; padding: 10px 22px; border-radius: var(--radius-sm); border: none; cursor: pointer; transition: all 0.25s; white-space: nowrap; }
        .btn-outline { background: transparent; border: 1.5px solid var(--border-medium); color: var(--text-gold); }
        .btn-outline:hover { background: rgba(245,158,11,0.08); border-color: var(--accent-gold); }
        .btn-solid { background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark)); color: var(--bg-primary); font-weight: 700; box-shadow: var(--shadow-gold); }
        .btn-solid:hover { transform: translateY(-1px); box-shadow: 0 0 24px rgba(245,158,11,0.4); }
        .btn-solid:active { transform: translateY(0); }
        .mobile-menu-btn { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.6rem; cursor: pointer; padding: 4px; }

        /* SECTION BASE */
        .section { padding: 80px 0; }
        .section-tag { display: inline-block; font-size: 0.82rem; font-weight: 700; color: var(--accent-gold); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 12px; }
        .section-title { font-size: 2rem; font-weight: 800; color: var(--text-primary); margin-bottom: 16px; letter-spacing: -0.01em; }
        .section-subtitle { font-size: 1.05rem; color: var(--text-muted); max-width: 640px; line-height: 1.7; }

        /* ARTICLE CONTENT */
        .article-body { background: var(--bg-secondary); border-radius: var(--radius-lg); padding: 48px; border: 1px solid var(--border-subtle); }
        .article-body h1 { font-size: 2.4rem; font-weight: 800; line-height: 1.25; color: var(--text-primary); margin-bottom: 24px; }
        .article-body h2 { font-size: 1.6rem; font-weight: 700; color: var(--text-gold); margin-top: 40px; margin-bottom: 16px; }
        .article-body h3 { font-size: 1.25rem; font-weight: 600; color: var(--text-primary); margin-top: 28px; margin-bottom: 12px; }
        .article-body p { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.75; margin-bottom: 20px; }
        .article-body ul, .article-body ol { margin-bottom: 20px; padding-left: 24px; }
        .article-body li { color: var(--text-secondary); margin-bottom: 10px; line-height: 1.65; }
        .article-body strong { color: var(--text-gold); font-weight: 600; }
        .article-body img { border-radius: var(--radius-md); margin: 28px 0; box-shadow: var(--shadow-md); }
        .article-body blockquote { border-left: 4px solid var(--accent-gold); padding: 16px 24px; margin: 24px 0; background: rgba(245,158,11,0.04); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; color: var(--text-muted); }
        .article-meta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding-bottom: 28px; margin-bottom: 28px; border-bottom: 1px solid var(--border-subtle); }
        .article-meta-item { display: flex; align-items: center; gap: 6px; font-size: 0.88rem; color: var(--text-muted); }
        .article-meta-item .ico { font-size: 1.1rem; }

        /* SHARE */
        .share-buttons { display: flex; gap: 12px; margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--border-subtle); }
        .share-btn { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-tertiary); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; transition: all 0.2s; color: var(--text-secondary); }
        .share-btn:hover { background: var(--accent-gold); color: var(--bg-primary); }

        /* SIDEBAR */
        .sidebar-widget { background: var(--bg-secondary); border-radius: var(--radius-md); padding: 28px; border: 1px solid var(--border-subtle); margin-bottom: 28px; }
        .sidebar-widget h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; color: var(--text-gold); display: flex; align-items: center; gap: 8px; }
        .sidebar-widget ul { list-style: none; }
        .sidebar-widget li { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
        .sidebar-widget li:last-child { border-bottom: none; }
        .sidebar-widget a { font-size: 0.92rem; color: var(--text-secondary); transition: color 0.2s; line-height: 1.5; display: block; }
        .sidebar-widget a:hover { color: var(--text-gold); }

        /* RELATED POSTS */
        .related-card { background: var(--bg-secondary); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-subtle); transition: all 0.25s; }
        .related-card:hover { box-shadow: var(--shadow-gold); border-color: var(--border-medium); }
        .related-card img { height: 200px; object-fit: cover; width: 100%; }
        .related-card-body { padding: 20px; }
        .related-card-body h5 { font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
        .related-card-body p { font-size: 0.85rem; color: var(--text-muted); }

        /* NOT FOUND */
        .not-found-box { text-align: center; padding: 80px 20px; }
        .not-found-box h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; color: var(--text-primary); }
        .not-found-box p { color: var(--text-muted); margin-bottom: 28px; font-size: 1.05rem; }

        /* FOOTER */
        .site-footer { background: var(--bg-tertiary); padding: 60px 0 28px; border-top: 1px solid var(--border-subtle); margin-top: 80px; }
        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-bottom: 32px; }
        .footer-col h4 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; color: var(--text-gold); }
        .footer-col p, .footer-col a { font-size: 0.88rem; color: var(--text-muted); display: block; margin-bottom: 10px; line-height: 1.6; transition: color 0.2s; }
        .footer-col a:hover { color: var(--text-gold); }
        .footer-bottom { text-align: center; font-size: 0.82rem; color: var(--text-muted); padding-top: 24px; border-top: 1px solid var(--border-subtle); }

        /* FAB */
        .fab { position: fixed; left: 16px; bottom: 24px; z-index: 50; width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark)); color: var(--bg-primary); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; cursor: pointer; box-shadow: 0 6px 25px rgba(245,158,11,0.35); transition: all 0.3s; opacity: 0.8; }
        .fab:hover { opacity: 1; transform: scale(1.1); box-shadow: 0 0 30px rgba(245,158,11,0.5); }
        .fab:active { transform: scale(0.95); }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .nav-links { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(9,9,11,0.98); flex-direction: column; gap: 0; padding: 12px 20px; border-bottom: 1px solid var(--border-subtle); }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 12px 0; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 1rem; }
            .mobile-menu-btn { display: block; }
            .header-actions .btn-outline, .header-actions .btn-solid { padding: 8px 16px; font-size: 0.82rem; }
            .section-title { font-size: 1.6rem; }
            .article-body { padding: 28px; }
            .article-body h1 { font-size: 1.8rem; }
            .article-body h2 { font-size: 1.35rem; }
            .article-body p { font-size: 0.95rem; }
        }
        @media (max-width: 768px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .header-actions { gap: 8px; }
            .header-actions .btn { padding: 7px 12px; font-size: 0.78rem; }
            .section { padding: 56px 0; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .article-body { padding: 20px; }
            .article-body h1 { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 12px; padding-right: 12px; }
            .footer-grid { grid-template-columns: 1fr; }
            .article-meta { gap: 10px; }
            .share-buttons { flex-wrap: wrap; }
            .fab { width: 48px; height: 48px; font-size: 1.3rem; }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-tertiary: #1F1F23;
            --accent-gold: #F59E0B;
            --accent-gold-dark: #D97706;
            --accent-crimson: #DC2626;
            --accent-green: #10B981;
            --text-primary: #F8FAFC;
            --text-secondary: #D1D5DB;
            --text-muted: #9CA3AF;
            --text-gold: #FCD34D;
            --border-subtle: rgba(245, 158, 11, 0.2);
            --border-medium: rgba(245, 158, 11, 0.4);
            --border-strong: #F59E0B;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.25);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.35);
            --shadow-gold: 0 0 16px rgba(245,158,11,0.25);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height: 72px;
        }

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

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

        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color 0.2s, background-color 0.2s; }
        ul { list-style: none; }

        .container { max-width: var(--max-width); margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }

        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            font-weight: 600; font-size: 0.9rem; padding: 10px 22px;
            border-radius: var(--radius-sm); border: none; cursor: pointer;
            transition: all 0.25s; white-space: nowrap; gap: 6px;
        }
        .btn-outline {
            background: transparent; border: 1.5px solid var(--border-medium);
            color: var(--text-gold);
        }
        .btn-outline:hover { background: rgba(245,158,11,0.08); border-color: var(--accent-gold); }
        .btn-solid {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
            color: var(--bg-primary); font-weight: 700; box-shadow: var(--shadow-gold);
        }
        .btn-solid:hover { transform: translateY(-1px); box-shadow: 0 0 24px rgba(245,158,11,0.4); }
        .btn-solid:active { transform: translateY(0); }
        .btn-lg { padding: 14px 32px; font-size: 1rem; border-radius: var(--radius-md); }

        /* HEADER */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 100;
            background: rgba(9,9,11,0.92); backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: var(--header-height);
        }
        .logo {
            font-weight: 800; font-size: 1.35rem; color: var(--text-gold);
            letter-spacing: -0.01em; white-space: nowrap; display: flex; align-items: center; gap: 6px;
        }
        .logo-icon { font-size: 1.5rem; }
        .nav-links { display: flex; align-items: center; gap: 28px; }
        .nav-links a {
            font-size: 0.92rem; font-weight: 500; color: var(--text-secondary);
            padding: 6px 0; border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--text-gold); border-bottom-color: var(--accent-gold); }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .mobile-menu-btn { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.6rem; cursor: pointer; padding: 4px; }

        /* HERO */
        .hero {
            position: relative; padding: 160px 0 100px;
            background: radial-gradient(ellipse at 50% 0%, rgba(245,158,11,0.06) 0%, transparent 60%), var(--bg-primary);
            overflow: hidden;
        }
        .hero .container { position: relative; z-index: 2; display: flex; align-items: center; gap: 48px; }
        .hero-content { flex: 1; }
        .hero-badge {
            display: inline-block; background: rgba(16,185,129,0.15);
            color: var(--accent-green); font-weight: 600; font-size: 0.85rem;
            padding: 6px 16px; border-radius: 99px; margin-bottom: 16px;
            border: 1px solid rgba(16,185,129,0.3);
        }
        .hero h1 { font-size: 2.8rem; font-weight: 800; line-height: 1.2; color: var(--text-primary); margin-bottom: 18px; letter-spacing: -0.02em; }
        .hero h1 .gold { color: var(--text-gold); }
        .hero p { font-size: 1.1rem; color: var(--text-secondary); line-height: 1.7; max-width: 580px; margin-bottom: 28px; }
        .hero-cta-group { display: flex; gap: 14px; flex-wrap: wrap; }
        .hero-stats { display: flex; gap: 32px; margin-top: 32px; flex-wrap: wrap; }
        .hero-stat { text-align: left; }
        .hero-stat-value { font-size: 2rem; font-weight: 800; color: var(--text-gold); }
        .hero-stat-label { font-size: 0.85rem; color: var(--text-muted); }
        .hero-visual { flex: 0 0 420px; position: relative; }
        .hero-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg), 0 0 40px rgba(245,158,11,0.1); }

        /* SECTION BASE */
        .section { padding: 80px 0; }
        .section-tag {
            display: inline-block; color: var(--accent-gold); font-weight: 600;
            font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px;
        }
        .section-title { font-size: 2rem; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.01em; }
        .section-subtitle { font-size: 1.05rem; color: var(--text-secondary); max-width: 680px; }

        /* CARDS */
        .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
        .card {
            background: var(--bg-secondary); border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg); overflow: hidden;
            transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
        }
        .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-gold); border-color: var(--border-medium); }
        .card-body { padding: 24px; }
        .card-badge {
            display: inline-block; background: rgba(220,38,38,0.15); color: var(--accent-crimson);
            font-weight: 600; font-size: 0.75rem; padding: 3px 10px; border-radius: 99px;
            margin-bottom: 12px; border: 1px solid rgba(220,38,38,0.3);
        }
        .card-badge.green { background: rgba(16,185,129,0.15); color: var(--accent-green); border-color: rgba(16,185,129,0.3); }
        .card-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 6px; }
        .card-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
        .card-meta { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; color: var(--text-muted); flex-wrap: wrap; }
        .card-stat { font-weight: 600; color: var(--text-gold); }

        /* TABS */
        .tab-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
        .tab-btn {
            background: var(--bg-tertiary); border: 1px solid var(--border-subtle);
            color: var(--text-secondary); padding: 10px 22px; border-radius: 99px;
            font-weight: 500; font-size: 0.9rem; cursor: pointer;
            transition: all 0.2s;
        }
        .tab-btn.active, .tab-btn:hover { background: var(--accent-gold); color: var(--bg-primary); border-color: var(--accent-gold); font-weight: 600; }

        /* COMPARISON TABLE */
        .compare-table { width: 100%; border-collapse: collapse; margin-top: 32px; }
        .compare-table th {
            text-align: left; padding: 14px 16px; background: var(--bg-tertiary);
            color: var(--text-gold); font-weight: 600; font-size: 0.9rem;
            border-bottom: 2px solid var(--border-medium);
        }
        .compare-table td {
            padding: 14px 16px; border-bottom: 1px solid var(--border-subtle);
            font-size: 0.92rem; color: var(--text-secondary);
        }
        .compare-table tr:hover td { background: rgba(245,158,11,0.03); }
        .speed-fast { color: var(--accent-green); font-weight: 600; }

        /* CATEGORY ENTRY */
        .category-entry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 32px; }
        .category-entry-card {
            background: var(--bg-tertiary); border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md); padding: 28px 20px; text-align: center;
            transition: all 0.2s;
        }
        .category-entry-card:hover { border-color: var(--accent-gold); box-shadow: var(--shadow-gold); }
        .category-entry-icon { font-size: 2.4rem; margin-bottom: 12px; }

        /* FAQ */
        .faq-list { max-width: 780px; margin: 32px auto 0; }
        .faq-item {
            background: var(--bg-secondary); border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md); padding: 22px 24px; margin-bottom: 12px;
            cursor: pointer; transition: border-color 0.2s;
        }
        .faq-item:hover { border-color: var(--border-medium); }
        .faq-q { font-weight: 700; font-size: 1.02rem; display: flex; justify-content: space-between; align-items: center; }
        .faq-a { margin-top: 10px; font-size: 0.92rem; color: var(--text-secondary); line-height: 1.7; }

        /* CONTENT LIST */
        .content-list { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; }
        .content-item {
            display: flex; gap: 18px; padding: 18px; background: var(--bg-secondary);
            border-radius: var(--radius-md); border: 1px solid var(--border-subtle);
            transition: all 0.2s;
        }
        .content-item:hover { border-color: var(--border-medium); box-shadow: var(--shadow-sm); }
        .content-thumb {
            flex: 0 0 100px; height: 70px; border-radius: var(--radius-sm);
            overflow: hidden; background: var(--bg-tertiary);
        }
        .content-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .content-info { flex: 1; display: flex; flex-direction: column; justify-content: center; }
        .content-title { font-weight: 600; font-size: 0.95rem; margin-bottom: 4px; }
        .content-meta { font-size: 0.8rem; color: var(--text-muted); }

        /* FOOTER */
        .site-footer {
            background: var(--bg-secondary); border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px; font-size: 0.9rem;
        }
        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; margin-bottom: 32px; }
        .footer-col h4 { color: var(--text-gold); font-weight: 700; margin-bottom: 12px; font-size: 1rem; }
        .footer-col p, .footer-col a { color: var(--text-muted); display: block; line-height: 1.8; }
        .footer-col a:hover { color: var(--text-gold); }
        .footer-bottom { border-top: 1px solid var(--border-subtle); padding-top: 20px; color: var(--text-muted); font-size: 0.82rem; text-align: center; }

        /* CTA BANNER */
        .cta-banner {
            background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(217,119,6,0.12));
            border: 1px solid var(--border-medium); border-radius: var(--radius-xl);
            padding: 48px; text-align: left;
        }
        .cta-banner-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
        .cta-banner h3 { font-size: 1.5rem; font-weight: 700; }
        .cta-banner p { color: var(--text-secondary); margin-top: 6px; }

        /* BREADCRUMB */
        .breadcrumb { padding-top: 100px; padding-bottom: 0; font-size: 0.88rem; color: var(--text-muted); }
        .breadcrumb span { color: var(--text-gold); }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero .container { flex-direction: column; text-align: center; }
            .hero-stats { justify-content: center; }
            .hero-stat { text-align: center; }
            .hero-visual { flex: 0 0 auto; width: 100%; max-width: 400px; }
            .card-grid { grid-template-columns: repeat(2, 1fr); }
            .category-entry-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .cta-banner-inner { flex-direction: column; text-align: left; align-items: flex-start; }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none; position: absolute; top: var(--header-height);
                left: 0; right: 0; background: rgba(9,9,11,0.98);
                flex-direction: column; gap: 0; padding: 12px 20px;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 12px 0; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 1rem; }
            .mobile-menu-btn { display: block; }
            .header-actions .btn-outline, .header-actions .btn-solid { padding: 8px 16px; font-size: 0.82rem; }
            .hero { padding: 140px 0 70px; }
            .hero h1 { font-size: 1.9rem; }
            .hero p { font-size: 1rem; }
            .card-grid { grid-template-columns: 1fr; }
            .category-entry-grid { grid-template-columns: 1fr 1fr; }
            .compare-table { font-size: 0.78rem; }
            .compare-table th, .compare-table td { padding: 10px 8px; }
            .content-item { flex-direction: column; }
            .content-thumb { flex: 0 0 auto; height: 140px; }
        }

        @media (max-width: 520px) {
            .category-entry-grid { grid-template-columns: 1fr; }
            .hero-stats { gap: 20px; }
            .hero-stat-value { font-size: 1.5rem; }
            .section-title { font-size: 1.5rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-banner { padding: 28px 20px; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-tertiary: #1F1F23;
            --accent-gold: #F59E0B;
            --accent-gold-dark: #D97706;
            --accent-crimson: #DC2626;
            --accent-green: #10B981;
            --text-primary: #F8FAFC;
            --text-secondary: #D1D5DB;
            --text-muted: #9CA3AF;
            --text-gold: #FCD34D;
            --border-subtle: rgba(245, 158, 11, 0.2);
            --border-medium: rgba(245, 158, 11, 0.4);
            --border-strong: #F59E0B;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.25);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.35);
            --shadow-gold: 0 0 16px rgba(245,158,11,0.25);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height: 72px;
        }

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s;
        }

        .container {
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* HEADER */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(9,9,11,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .logo {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-gold);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .logo-icon {
            font-size: 1.5rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-gold);
            border-bottom-color: var(--accent-gold);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--border-medium);
            color: var(--text-gold);
        }
        .btn-outline:hover {
            background: rgba(245,158,11,0.08);
            border-color: var(--accent-gold);
        }
        .btn-solid {
            background: linear-gradient(135deg,var(--accent-gold),var(--accent-gold-dark));
            color: var(--bg-primary);
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }
        .btn-solid:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 24px rgba(245,158,11,0.4);
        }
        .btn-solid:active {
            transform: translateY(0);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        /* HERO */
        .hero {
            position: relative;
            padding: 160px 0 80px;
            background: radial-gradient(ellipse at 50% 0%, rgba(245,158,11,0.08) 0%, transparent 60%), var(--bg-primary);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(16,185,129,0.15);
            color: var(--accent-green);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 99px;
            margin-bottom: 16px;
            border: 1px solid rgba(16,185,129,0.3);
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .hero h1 .gold {
            color: var(--text-gold);
        }
        .hero p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 24px;
        }
        .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-gold);
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* SECTION COMMON */
        .section {
            padding: 80px 0;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            background: rgba(245,158,11,0.1);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 5px 14px;
            border-radius: 99px;
            margin-bottom: 12px;
            border: 1px solid var(--border-subtle);
        }
        .section h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.015em;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.65;
        }

        /* RANKING CARDS */
        .ranking-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .ranking-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all 0.25s;
        }
        .ranking-card:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .ranking-card.rank-top {
            border-color: var(--border-strong);
            box-shadow: 0 0 20px rgba(245,158,11,0.12);
        }
        .rank-number {
            flex: 0 0 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--bg-tertiary);
            color: var(--text-muted);
        }
        .rank-number.rank-gold {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
            color: var(--bg-primary);
        }
        .rank-number.rank-silver {
            background: linear-gradient(135deg, #94A3B8, #64748B);
            color: #fff;
        }
        .rank-number.rank-bronze {
            background: linear-gradient(135deg, #F97316, #EA580C);
            color: #fff;
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .rank-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .rank-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .rank-meta-item {
            font-size: 0.82rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .rank-meta-item .icon {
            color: var(--accent-gold);
        }
        .rank-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 99px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .badge-fast {
            background: rgba(16,185,129,0.15);
            color: var(--accent-green);
            border: 1px solid rgba(16,185,129,0.3);
        }
        .badge-hot {
            background: rgba(220,38,38,0.15);
            color: var(--accent-crimson);
            border: 1px solid rgba(220,38,38,0.3);
        }

        /* INSIGHT CARDS */
        .insight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .insight-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.25s;
        }
        .insight-card:hover {
            border-color: var(--border-medium);
        }
        .insight-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .insight-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .insight-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(245,158,11,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 1.4rem;
            color: var(--accent-gold);
        }

        /* PROCESS */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .process-step {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-subtle);
            text-align: left;
        }
        .step-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-gold);
            opacity: 0.4;
            line-height: 1;
            margin-bottom: 12px;
        }
        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* STATS BAR */
        .stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
        }
        .stat-item {
            flex: 1;
            min-width: 140px;
        }
        .stat-item .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-gold);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* NEWS LIST */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.25s;
        }
        .news-card:hover {
            border-color: var(--border-medium);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-body {
            padding: 18px;
        }
        .news-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .news-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            cursor: pointer;
            transition: all 0.25s;
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .faq-item p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* FOOTER */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: block;
            margin-bottom: 8px;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--text-gold);
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .ranking-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(9,9,11,0.98);
                flex-direction: column;
                gap: 0;
                padding: 12px 20px;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid rgba(255,255,255,0.05);
                font-size: 1rem;
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-actions .btn-outline,
            .header-actions .btn-solid {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .hero::before {
                width: 100%;
                opacity: 0.06;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .insight-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 56px 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .header-actions .btn {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
            .header-actions {
                gap: 8px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-tertiary: #1F1F23;
            --accent-gold: #F59E0B;
            --accent-gold-dark: #D97706;
            --accent-crimson: #DC2626;
            --accent-green: #10B981;
            --text-primary: #F8FAFC;
            --text-secondary: #D1D5DB;
            --text-muted: #9CA3AF;
            --text-gold: #FCD34D;
            --border-subtle: rgba(245, 158, 11, 0.2);
            --border-medium: rgba(245, 158, 11, 0.4);
            --border-strong: #F59E0B;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.25);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.35);
            --shadow-gold: 0 0 16px rgba(245,158,11,0.25);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height: 72px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color 0.2s; }
        .container { max-width: var(--max-width); margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }
        @media (max-width: 768px) { .container { padding-left: 16px; padding-right: 16px; } }
        @media (max-width: 520px) { .container { padding-left: 12px; padding-right: 12px; } }

        /* HEADER */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(9,9,11,0.94);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .logo {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-gold);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .logo-icon { font-size: 1.5rem; }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-gold);
            border-bottom-color: var(--accent-gold);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--border-medium);
            color: var(--text-gold);
        }
        .btn-outline:hover {
            background: rgba(245,158,11,0.08);
            border-color: var(--accent-gold);
        }
        .btn-solid {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
            color: var(--bg-primary);
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }
        .btn-solid:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 24px rgba(245,158,11,0.4);
        }
        .btn-solid:active { transform: translateY(0); }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }
        @media (max-width: 960px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(9,9,11,0.98);
                flex-direction: column;
                gap: 0;
                padding: 12px 20px;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open { display: flex; }
            .nav-links a {
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid rgba(255,255,255,0.05);
                font-size: 1rem;
            }
            .mobile-menu-btn { display: block; }
            .header-actions .btn-outline,
            .header-actions .btn-solid { padding: 8px 16px; font-size: 0.82rem; }
            .header-actions { gap: 8px; }
        }
        @media (max-width: 520px) {
            .header-actions .btn { padding: 7px 12px; font-size: 0.78rem; }
        }

        /* HERO */
        .hero {
            position: relative;
            padding: 160px 0 90px;
            background: radial-gradient(ellipse at 50% 0%, rgba(245,158,11,0.1) 0%, transparent 60%), var(--bg-primary);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-icon-row {
            display: flex;
            gap: 14px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .hero-icon-chip {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            padding: 8px 16px;
            border-radius: 99px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .hero-icon-chip .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 6px var(--accent-green);
        }
        .hero-status-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(16,185,129,0.12);
            border: 1px solid rgba(16,185,129,0.3);
            padding: 8px 18px;
            border-radius: 99px;
            margin-bottom: 24px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--accent-green);
        }
        .hero-status-pulse {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-green 1.8s infinite;
        }
        @keyframes pulse-green {
            0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.6); }
            50% { box-shadow: 0 0 0 10px rgba(16,185,129,0); }
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            max-width: 700px;
        }
        .hero h1 .gold { color: var(--text-gold); }
        .hero p {
            font-size: 1.08rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 580px;
            margin-bottom: 28px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .hero { padding: 140px 0 70px; }
            .hero h1 { font-size: 1.9rem; }
            .hero p { font-size: 1rem; }
            .hero::before { width: 100%; opacity: 0.06; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.65rem; }
            .hero-icon-row { gap: 8px; }
        }

        /* SECTION BASE */
        .section { padding: 80px 0; }
        @media (max-width: 768px) { .section { padding: 56px 0; } }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.015em;
        }
        .section-desc {
            font-size: 1.02rem;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 680px;
            margin-bottom: 36px;
        }
        @media (max-width: 768px) {
            .section-title { font-size: 1.6rem; }
            .section-desc { font-size: 0.95rem; }
        }

        /* VIP TIER CARDS */
        .vip-tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) { .vip-tier-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .vip-tier-grid { grid-template-columns: 1fr 1fr; gap: 12px; } }
        .vip-tier-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: left;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }
        .vip-tier-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }
        .vip-tier-card.featured {
            border-color: var(--accent-gold);
            background: linear-gradient(145deg, #1a150a 0%, var(--bg-secondary) 100%);
        }
        .vip-tier-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-crimson);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 99px;
        }
        .vip-tier-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
        }
        .vip-tier-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-gold);
            margin-bottom: 8px;
        }
        .vip-tier-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 14px;
        }
        .vip-tier-highlight {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-green);
        }

        /* PROMO GRID */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        @media (max-width: 960px) { .promo-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 560px) { .promo-grid { grid-template-columns: 1fr; } }
        .promo-card {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            border: 1px solid var(--border-subtle);
            transition: all 0.28s;
        }
        .promo-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-lg);
        }
        .promo-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
        }
        .promo-card-tag {
            display: inline-block;
            background: rgba(245,158,11,0.15);
            color: var(--text-gold);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 99px;
            margin-bottom: 10px;
        }
        .promo-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .promo-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 18px;
        }
        .promo-card .btn-sm {
            font-size: 0.85rem;
            padding: 9px 20px;
        }

        /* HOW IT WORKS */
        .steps-row {
            display: flex;
            gap: 30px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .step-item {
            flex: 1;
            min-width: 200px;
            position: relative;
            padding-left: 48px;
        }
        .step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
            color: var(--bg-primary);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
        }
        @media (max-width: 768px) {
            .steps-row { flex-direction: column; gap: 24px; }
        }

        /* BONUS TABLE */
        .bonus-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .bonus-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
        }
        .bonus-table th {
            text-align: left;
            padding: 16px 14px;
            background: var(--bg-tertiary);
            color: var(--text-gold);
            font-weight: 700;
            font-size: 0.9rem;
            border-bottom: 2px solid var(--border-medium);
        }
        .bonus-table td {
            padding: 14px 14px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-subtle);
        }
        .bonus-table tr:hover td {
            background: rgba(245,158,11,0.04);
        }
        .bonus-table .highlight-row td {
            background: rgba(245,158,11,0.08);
            font-weight: 700;
            color: var(--text-gold);
        }

        /* TESTIMONIAL */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 900px) { .testimonial-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 560px) { .testimonial-grid { grid-template-columns: 1fr; } }
        .testimonial-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--border-subtle);
        }
        .testimonial-card .stars {
            color: var(--accent-gold);
            font-size: 1rem;
            margin-bottom: 10px;
        }
        .testimonial-card .quote {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-card .author {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.65;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* CTA BANNER */
        .cta-banner {
            background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(217,119,6,0.04));
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
        }
        .cta-banner h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-gold);
            margin-bottom: 12px;
        }
        .cta-banner p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        @media (max-width: 520px) {
            .cta-banner { padding: 32px 20px; }
            .cta-banner h2 { font-size: 1.35rem; }
        }

        /* NEWS LIST */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 960px) { .news-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 560px) { .news-grid { grid-template-columns: 1fr; } }
        .news-card {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all 0.28s;
        }
        .news-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-md);
        }
        .news-card-img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .news-card-body {
            padding: 16px;
        }
        .news-card-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* FOOTER */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 32px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        @media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-gold);
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            transition: color 0.2s;
        }
        .footer-col a:hover { color: var(--text-gold); }
        .footer-col p {
            font-size: 0.88rem;
            margin-bottom: 6px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 6px 25px rgba(245,158,11,0.35);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
            opacity: 0.8;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(245,158,11,0.5);
        }
        .fab:active { transform: scale(0.95) translateY(2px); }
        .fab-icon {
            font-size: 1.6rem;
            color: var(--text-gold);
        }
        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-crimson);
            border-radius: 50%;
            border: 2px solid #fff;
        }

/* roulang page: category4 */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-tertiary: #1F1F23;
            --accent-gold: #F59E0B;
            --accent-gold-dark: #D97706;
            --accent-crimson: #DC2626;
            --accent-green: #10B981;
            --text-primary: #F8FAFC;
            --text-secondary: #D1D5DB;
            --text-muted: #9CA3AF;
            --text-gold: #FCD34D;
            --border-subtle: rgba(245, 158, 11, 0.2);
            --border-medium: rgba(245, 158, 11, 0.4);
            --border-strong: #F59E0B;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.25);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.35);
            --shadow-gold: 0 0 16px rgba(245,158,11,0.25);
            --shadow-crimson: 0 0 20px rgba(220,38,38,0.2);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height: 72px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-sans); background-color: var(--bg-primary); color: var(--text-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color 0.2s; }
        .container { max-width: var(--max-width); margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }
        .section { padding: 80px 0; }
        .section-tag { display: inline-block; font-weight: 600; font-size: 0.85rem; padding: 6px 16px; border-radius: 99px; margin-bottom: 12px; letter-spacing: 0.02em; }
        .section-title { font-size: 2.2rem; font-weight: 800; line-height: 1.3; color: var(--text-primary); margin-bottom: 14px; letter-spacing: -0.02em; }
        .section-subtitle { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.7; max-width: 720px; margin-bottom: 36px; }
        .gold { color: var(--text-gold); }
        .text-muted { color: var(--text-muted); }

        /* HEADER */
        .site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(9,9,11,0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid var(--border-subtle); height: var(--header-height); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }
        .logo { font-weight: 800; font-size: 1.35rem; color: var(--text-gold); letter-spacing: -0.01em; white-space: nowrap; display: flex; align-items: center; gap: 6px; }
        .logo-icon { font-size: 1.5rem; }
        .nav-links { display: flex; align-items: center; gap: 28px; }
        .nav-links a { font-size: 0.92rem; font-weight: 500; color: var(--text-secondary); padding: 6px 0; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s; }
        .nav-links a:hover, .nav-links a.active { color: var(--text-gold); border-bottom-color: var(--accent-gold); }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; font-weight: 600; font-size: 0.9rem; padding: 10px 22px; border-radius: var(--radius-sm); border: none; cursor: pointer; transition: all 0.25s; white-space: nowrap; }
        .btn-outline { background: transparent; border: 1.5px solid var(--border-medium); color: var(--text-gold); }
        .btn-outline:hover { background: rgba(245,158,11,0.08); border-color: var(--accent-gold); }
        .btn-solid { background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark)); color: var(--bg-primary); font-weight: 700; box-shadow: var(--shadow-gold); }
        .btn-solid:hover { transform: translateY(-1px); box-shadow: 0 0 24px rgba(245,158,11,0.4); }
        .btn-solid:active { transform: translateY(0); }
        .btn-crimson { background: linear-gradient(135deg, #EF4444, #DC2626); color: #fff; box-shadow: var(--shadow-crimson); }
        .btn-crimson:hover { transform: translateY(-1px); box-shadow: 0 0 28px rgba(220,38,38,0.45); }
        .mobile-menu-btn { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.6rem; cursor: pointer; padding: 4px; }

        /* HERO */
        .hero { position: relative; padding: 160px 0 100px; background: radial-gradient(ellipse at 30% 20%, rgba(245,158,11,0.12) 0%, transparent 55%), radial-gradient(ellipse at 70% 80%, rgba(220,38,38,0.06) 0%, transparent 50%), var(--bg-primary); overflow: hidden; }
        .hero::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat; opacity: 0.08; pointer-events: none; }
        .hero .container { position: relative; z-index: 2; display: flex; align-items: center; gap: 48px; }
        .hero-content { flex: 1; }
        .hero-badge { display: inline-block; background: rgba(220,38,38,0.15); color: #FCA5A5; font-weight: 600; font-size: 0.85rem; padding: 6px 16px; border-radius: 99px; margin-bottom: 16px; border: 1px solid rgba(220,38,38,0.3); }
        .hero h1 { font-size: 2.8rem; font-weight: 800; line-height: 1.2; color: var(--text-primary); margin-bottom: 18px; letter-spacing: -0.02em; }
        .hero p { font-size: 1.1rem; color: var(--text-secondary); line-height: 1.7; max-width: 580px; margin-bottom: 28px; }
        .hero-cta-group { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 24px; }
        .hero-trust-list { display: flex; flex-direction: column; gap: 10px; }
        .hero-trust-item { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: var(--text-secondary); }
        .hero-trust-item .check { color: var(--accent-green); font-weight: 700; font-size: 1.1rem; }
        .hero-visual { flex: 0 0 420px; position: relative; }
        .hero-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg), 0 0 40px rgba(245,158,11,0.1); }
        .hero-glow-badge { position: absolute; top: -16px; right: -16px; background: var(--accent-crimson); color: #fff; font-weight: 700; font-size: 0.85rem; padding: 8px 18px; border-radius: 99px; box-shadow: var(--shadow-crimson); animation: pulse-badge 2s ease-in-out infinite; }
        @keyframes pulse-badge { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }

        /* PROMO TABLE */
        .promo-table { background: var(--bg-secondary); border-radius: var(--radius-lg); border: 1px solid var(--border-subtle); overflow: hidden; }
        .promo-table-header { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; padding: 16px 20px; background: var(--bg-tertiary); font-weight: 600; font-size: 0.9rem; color: var(--text-gold); border-bottom: 1px solid var(--border-subtle); }
        .promo-table-row { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; padding: 18px 20px; align-items: center; border-bottom: 1px solid var(--border-subtle); transition: background 0.2s; }
        .promo-table-row:hover { background: rgba(245,158,11,0.03); }
        .promo-table-row:last-child { border-bottom: none; }
        .promo-name { font-weight: 600; color: var(--text-primary); }
        .promo-value { color: var(--text-gold); font-weight: 700; }
        .promo-status { font-size: 0.85rem; padding: 4px 12px; border-radius: 99px; font-weight: 600; display: inline-block; width: fit-content; }
        .status-hot { background: rgba(220,38,38,0.15); color: #FCA5A5; }
        .status-new { background: rgba(16,185,129,0.15); color: #6EE7B7; }
        .status-limited { background: rgba(245,158,11,0.15); color: #FCD34D; }

        /* CARDS GRID */
        .cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .promo-card { background: var(--bg-secondary); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 28px 24px; transition: all 0.3s; position: relative; overflow: hidden; }
        .promo-card:hover { border-color: var(--border-medium); transform: translateY(-4px); box-shadow: var(--shadow-gold); }
        .promo-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--accent-gold), var(--accent-crimson)); opacity: 0; transition: opacity 0.3s; }
        .promo-card:hover::before { opacity: 1; }
        .promo-card-icon { font-size: 2rem; margin-bottom: 14px; }
        .promo-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
        .promo-card p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
        .promo-card-badge { display: inline-block; font-size: 0.8rem; font-weight: 700; padding: 4px 12px; border-radius: 99px; background: rgba(245,158,11,0.12); color: var(--text-gold); }

        /* VIP TIERS */
        .vip-tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .vip-tier-card { background: var(--bg-secondary); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 32px 20px; text-align: center; transition: all 0.3s; }
        .vip-tier-card:hover { border-color: var(--accent-gold); box-shadow: var(--shadow-gold); transform: translateY(-4px); }
        .vip-tier-card.featured { border-color: var(--accent-gold); background: rgba(245,158,11,0.04); }
        .vip-tier-icon { font-size: 2.5rem; margin-bottom: 10px; }
        .vip-tier-name { font-size: 1.3rem; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
        .vip-tier-benefit { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 4px; }

        /* BLOG LIST */
        .blog-list { display: flex; flex-direction: column; gap: 16px; }
        .blog-item { display: flex; align-items: center; gap: 16px; background: var(--bg-secondary); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: 16px 20px; transition: all 0.25s; }
        .blog-item:hover { border-color: var(--border-medium); background: var(--bg-tertiary); }
        .blog-item-thumb { width: 80px; height: 56px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
        .blog-item-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .blog-item-info { flex: 1; }
        .blog-item-info h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
        .blog-item-info span { font-size: 0.8rem; color: var(--text-muted); }

        /* CTA BANNER */
        .cta-banner { background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(220,38,38,0.06)); border: 1px solid var(--border-medium); border-radius: var(--radius-xl); padding: 48px 40px; text-align: left; display: flex; align-items: center; gap: 36px; }
        .cta-banner-content { flex: 1; }
        .cta-banner h2 { font-size: 1.8rem; font-weight: 800; color: var(--text-primary); margin-bottom: 10px; }
        .cta-banner p { color: var(--text-secondary); font-size: 1rem; line-height: 1.6; margin-bottom: 20px; }

        /* FOOTER */
        .site-footer { background: var(--bg-secondary); border-top: 1px solid var(--border-subtle); padding: 48px 0 24px; color: var(--text-muted); font-size: 0.9rem; }
        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-bottom: 32px; }
        .footer-col h4 { color: var(--text-gold); font-weight: 700; margin-bottom: 16px; font-size: 1rem; }
        .footer-col p { margin-bottom: 8px; line-height: 1.6; }
        .footer-col a { display: block; color: var(--text-muted); margin-bottom: 8px; transition: color 0.2s; }
        .footer-col a:hover { color: var(--text-gold); }
        .footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid var(--border-subtle); color: var(--text-muted); font-size: 0.85rem; }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero .container { flex-direction: column; text-align: center; gap: 32px; }
            .hero-content { text-align: center; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { margin-left: auto; margin-right: auto; }
            .hero-cta-group { justify-content: center; }
            .hero-trust-list { align-items: center; }
            .hero-visual { flex: 0 0 auto; width: 100%; max-width: 360px; }
            .cards-grid { grid-template-columns: repeat(2, 1fr); }
            .vip-tiers { grid-template-columns: repeat(2, 1fr); }
            .promo-table-header, .promo-table-row { grid-template-columns: 2fr 1fr 1fr 1fr; font-size: 0.8rem; }
            .cta-banner { flex-direction: column; text-align: center; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(9,9,11,0.98); flex-direction: column; gap: 0; padding: 12px 20px; border-bottom: 1px solid var(--border-subtle); }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 12px 0; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 1rem; }
            .mobile-menu-btn { display: block; }
            .header-actions .btn { padding: 8px 16px; font-size: 0.82rem; }
            .section-title { font-size: 1.7rem; }
            .hero { padding: 140px 0 80px; }
            .hero h1 { font-size: 1.9rem; }
            .cards-grid { grid-template-columns: 1fr; }
            .vip-tiers { grid-template-columns: 1fr; }
            .promo-table-header, .promo-table-row { grid-template-columns: 2fr 1fr 1fr; }
            .promo-table-header > :last-child, .promo-table-row > :last-child { display: none; }
            .cta-banner { padding: 32px 24px; }
            .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 12px; padding-right: 12px; }
            .header-actions .btn { padding: 7px 12px; font-size: 0.78rem; }
            .hero h1 { font-size: 1.5rem; }
            .hero-glow-badge { top: -8px; right: -8px; font-size: 0.7rem; padding: 6px 12px; }
            .promo-table-header, .promo-table-row { grid-template-columns: 1.5fr 1fr; font-size: 0.75rem; }
            .promo-table-header > :nth-child(3), .promo-table-row > :nth-child(3),
            .promo-table-header > :nth-child(4), .promo-table-row > :nth-child(4) { display: none; }
            .blog-item { flex-direction: column; align-items: flex-start; }
        }