/* roulang page: index */
:root {
    --primary: #ff4d2e;
    --primary-hover: #e6381a;
    --primary-glow: rgba(255, 77, 46, 0.35);
    --accent: #ffb800;
    --accent-hover: #e6a500;
    --bg-dark: #080810;
    --bg-section: #0d0d1a;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --bg-elevated: #111122;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.75);
    --text-weak: rgba(255, 255, 255, 0.45);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-card: rgba(255, 255, 255, 0.1);
    --border-active: rgba(255, 77, 46, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.35);
    --shadow-card-hover: 0 6px 28px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-active);
    --shadow-btn: 0 4px 18px var(--primary-glow);
    --shadow-btn-hover: 0 6px 24px rgba(255, 77, 46, 0.55);
    --transition-fast: 0.18s ease;
    --transition-normal: 0.28s ease;
    --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    --font-display: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --max-width: 1260px;
    --header-height: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:var(--font-sans);font-size:16px;line-height:1.65;color:var(--text-primary);background:var(--bg-dark);min-height:100vh;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.25}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--primary);margin-bottom:14px}
.section-label::before{content:'';display:block;width:24px;height:2px;background:var(--primary);border-radius:99px}
.section-title{font-size:clamp(26px,3.8vw,40px);font-weight:800;color:var(--text-primary);margin-bottom:14px;letter-spacing:-0.01em}
.section-desc{font-size:17px;color:var(--text-secondary);max-width:620px;line-height:1.7}

/* Header & Nav */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(8,8,16,0.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border-subtle);height:var(--header-height);transition:background var(--transition-normal)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{font-size:22px;font-weight:800;color:var(--text-primary);letter-spacing:-0.02em;white-space:nowrap;display:flex;align-items:center;gap:10px;transition:color var(--transition-fast)}
.logo-icon{width:36px;height:36px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--primary),#ff6b3d);display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;flex-shrink:0}
.logo:hover{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a.nav-link{display:inline-flex;align-items:center;padding:10px 18px;border-radius:var(--radius-md);font-size:15px;font-weight:600;color:var(--text-secondary);transition:all var(--transition-fast);position:relative;white-space:nowrap}
.main-nav a.nav-link:hover{color:var(--text-primary);background:var(--bg-card)}
.main-nav a.nav-link.active{color:var(--primary);background:rgba(255,77,46,0.08)}
.main-nav a.nav-link.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:18px;height:3px;background:var(--primary);border-radius:99px}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:var(--radius-md);font-size:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--primary),#ff6b3d);border:none;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-btn);white-space:nowrap;margin-left:8px}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow-btn-hover);background:linear-gradient(135deg,#ff5c3f,#ff7b52)}
.nav-cta:active{transform:translateY(0)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:1001}
.mobile-toggle span{display:block;width:26px;height:2.5px;background:var(--text-primary);border-radius:99px;transition:all var(--transition-fast)}
.mobile-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.mobile-toggle.active span:nth-child(2){opacity:0}
.mobile-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Hero */
.hero{position:relative;padding:100px 0 110px;background:linear-gradient(180deg,rgba(8,8,16,0.3) 0%,var(--bg-dark) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;background-blend-mode:overlay;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 55% 30%,rgba(255,77,46,0.12) 0%,transparent 65%);pointer-events:none}
.hero .container{position:relative;z-index:1;display:flex;align-items:center;gap:50px;flex-wrap:wrap}
.hero-content{flex:1;min-width:300px}
.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:99px;font-size:13px;font-weight:600;color:var(--accent);background:rgba(255,184,0,0.1);border:1px solid rgba(255,184,0,0.2);margin-bottom:20px}
.hero-badge .pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse-dot 1.8s infinite}
@keyframes pulse-dot{0%,100%{box-shadow:0 0 0 0 rgba(255,184,0,0.5)}50%{box-shadow:0 0 0 10px rgba(255,184,0,0)}}
.hero-title{font-size:clamp(34px,5vw,56px);font-weight:900;line-height:1.12;color:var(--text-primary);margin-bottom:18px;letter-spacing:-0.02em}
.hero-title .highlight{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:18px;color:var(--text-secondary);max-width:520px;line-height:1.7;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-primary{display:inline-flex;align-items:center;gap:10px;padding:15px 34px;border-radius:var(--radius-md);font-size:16px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--primary),#ff6b3d);border:none;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-btn);letter-spacing:0.01em}
.btn-primary:hover{transform:translateY(-3px);box-shadow:var(--shadow-btn-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{display:inline-flex;align-items:center;gap:10px;padding:15px 34px;border-radius:var(--radius-md);font-size:16px;font-weight:700;color:var(--text-primary);background:transparent;border:2px solid rgba(255,255,255,0.25);cursor:pointer;transition:all var(--transition-normal)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,77,46,0.06);transform:translateY(-3px)}
.btn-outline:active{transform:translateY(0)}
.hero-visual{flex:0 0 380px;min-width:280px;position:relative}
.hero-visual img{border-radius:var(--radius-lg);box-shadow:0 20px 50px rgba(0,0,0,0.5),0 0 0 1px rgba(255,255,255,0.06);width:100%}
.hero-stats{display:flex;gap:30px;margin-top:20px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat .stat-num{font-size:28px;font-weight:800;color:var(--primary);line-height:1}
.hero-stat .stat-label{font-size:13px;color:var(--text-weak);margin-top:4px}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:20px}
.feature-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:32px 28px;transition:all var(--transition-normal);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity var(--transition-normal)}
.feature-card:hover{background:var(--bg-card-hover);border-color:var(--border-active);transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:52px;height:52px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;background:rgba(255,77,46,0.1);color:var(--primary)}
.feature-card h3{font-size:19px;font-weight:700;margin-bottom:8px;color:var(--text-primary)}
.feature-card p{font-size:15px;color:var(--text-secondary);line-height:1.65}

/* Category Entry */
.category-entry{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;margin-top:20px}
.category-card-large{position:relative;border-radius:var(--radius-xl);overflow:hidden;cursor:pointer;display:block;min-height:320px;background:var(--bg-elevated);border:1px solid var(--border-card);transition:all var(--transition-normal)}
.category-card-large:hover{transform:translateY(-5px);box-shadow:var(--shadow-card-hover);border-color:var(--border-active)}
.category-card-large img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform var(--transition-normal)}
.category-card-large:hover img{transform:scale(1.06)}
.category-card-large .card-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,8,16,0.9) 20%,rgba(8,8,16,0.3) 70%,rgba(8,8,16,0.15) 100%);z-index:1}
.category-card-large .card-info{position:absolute;bottom:0;left:0;right:0;z-index:2;padding:28px}
.category-card-large .card-tag{display:inline-block;padding:5px 14px;border-radius:99px;font-size:12px;font-weight:700;background:var(--primary);color:#fff;margin-bottom:10px}
.category-card-large h3{font-size:26px;font-weight:800;color:#fff;margin-bottom:6px}
.category-card-large p{font-size:15px;color:rgba(255,255,255,0.7);line-height:1.5}

/* News / CMS List */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}
.news-card{display:flex;gap:18px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:20px;transition:all var(--transition-normal);align-items:flex-start}
.news-card:hover{background:var(--bg-card-hover);border-color:var(--border-active);transform:translateY(-2px);box-shadow:var(--shadow-card-hover)}
.news-thumb{flex-shrink:0;width:100px;height:70px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-elevated)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-info{flex:1;min-width:0}
.news-info .news-meta{display:flex;gap:10px;font-size:12px;color:var(--text-weak);margin-bottom:6px;flex-wrap:wrap}
.news-info .news-meta .news-cat{color:var(--primary);font-weight:600}
.news-info h4{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:5px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-info .news-excerpt{font-size:13px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{grid-column:1/-1;text-align:center;padding:40px;color:var(--text-weak);font-size:15px;background:var(--bg-card);border-radius:var(--radius-lg);border:1px dashed var(--border-card)}

/* Stats Section */
.stats-section{background:var(--bg-section);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-item{text-align:center;padding:20px}
.stat-item .stat-value{font-size:clamp(32px,4vw,48px);font-weight:900;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}
.stat-item .stat-unit{font-size:18px;font-weight:700}
.stat-item .stat-desc{font-size:14px;color:var(--text-weak);margin-top:6px}
.stat-item .stat-bar{width:100%;height:4px;background:var(--border-card);border-radius:99px;margin-top:12px;overflow:hidden}
.stat-item .stat-bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent));animation:bar-fill 1.5s ease-out forwards}
@keyframes bar-fill{from{width:0}to{width:var(--bar-width)}}

/* How It Works */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:20px;position:relative}
.step-card{text-align:center;padding:30px 20px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);transition:all var(--transition-normal);position:relative;z-index:1}
.step-card:hover{background:var(--bg-card-hover);border-color:var(--border-active);transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}
.step-number{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#ff6b3d);color:#fff;font-size:20px;font-weight:800;margin-bottom:14px}
.step-card h4{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--text-primary)}
.step-card p{font-size:14px;color:var(--text-secondary);line-height:1.55}
.steps-connector{position:absolute;top:54px;left:0;right:0;height:2px;background:var(--border-card);z-index:0;display:none}

/* FAQ */
.faq-list{max-width:760px;margin:20px auto 0}
.faq-item{border:1px solid var(--border-card);border-radius:var(--radius-md);margin-bottom:10px;overflow:hidden;background:var(--bg-card);transition:all var(--transition-fast)}
.faq-item:hover{border-color:var(--border-active)}
.faq-question{width:100%;text-align:left;padding:18px 22px;background:none;border:none;color:var(--text-primary);font-weight:700;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;transition:color var(--transition-fast)}
.faq-question:hover{color:var(--primary)}
.faq-question .faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,0.06);display:flex;align-items:center;justify-content:center;font-size:13px;transition:all var(--transition-fast)}
.faq-question[aria-expanded="true"] .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition-normal),padding var(--transition-normal)}
.faq-answer.open{max-height:300px}
.faq-answer-inner{padding:0 22px 18px;font-size:15px;color:var(--text-secondary);line-height:1.7}

/* CTA Section */
.cta-section{background:var(--bg-section);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(255,77,46,0.1) 0%,transparent 60%);pointer-events:none}
.cta-card{background:linear-gradient(135deg,#15152a,#1a1a30);border:1px solid var(--border-card);border-radius:var(--radius-xl);padding:50px 40px;text-align:center;position:relative;z-index:1;overflow:hidden}
.cta-card::after{content:'';position:absolute;top:-60px;right:-60px;width:180px;height:180px;border-radius:50%;background:rgba(255,77,46,0.08);pointer-events:none}
.cta-card h2{font-size:clamp(26px,3.5vw,36px);font-weight:800;color:var(--text-primary);margin-bottom:12px}
.cta-card p{font-size:17px;color:var(--text-secondary);margin-bottom:26px;max-width:500px;margin-left:auto;margin-right:auto}
.cta-card .btn-primary{padding:16px 40px;font-size:17px}

/* Footer */
.site-footer{background:var(--bg-dark);border-top:1px solid var(--border-subtle);padding:50px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{font-size:20px;margin-bottom:10px}
.footer-brand p{font-size:14px;color:var(--text-weak);line-height:1.7;max-width:280px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text-primary);margin-bottom:14px}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:14px;color:var(--text-weak);transition:color var(--transition-fast)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--border-subtle);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;font-size:13px;color:var(--text-weak)}

/* Responsive */
@media (max-width:1024px){
    .features-grid{grid-template-columns:repeat(2,1fr)}
    .category-entry{grid-template-columns:1fr}
    .category-card-large{min-height:260px}
    .news-list{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
    .steps-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
    .hero .container{flex-direction:column;text-align:center}
    .hero-content{min-width:100%}
    .hero-desc{margin-left:auto;margin-right:auto}
    .hero-actions{justify-content:center}
    .hero-visual{flex:0 0 auto;max-width:340px;margin:0 auto}
    .hero-stats{justify-content:center}
}
@media (max-width:768px){
    .section{padding:56px 0}
    .hero{padding:70px 0 80px}
    .mobile-toggle{display:flex}
    .main-nav{position:fixed;top:var(--header-height);left:0;right:0;bottom:0;background:rgba(8,8,16,0.96);backdrop-filter:blur(20px);flex-direction:column;align-items:stretch;padding:20px;gap:4px;transform:translateX(100%);transition:transform var(--transition-normal);z-index:999}
    .main-nav.open{transform:translateX(0)}
    .main-nav a.nav-link{padding:14px 18px;font-size:16px;border-radius:var(--radius-md)}
    .nav-cta{margin-left:0;justify-content:center;margin-top:8px}
    .features-grid{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:1fr 1fr}
    .steps-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr;gap:24px}
    .cta-card{padding:36px 22px}
    .faq-question{font-size:15px;padding:15px 16px}
}
@media (max-width:520px){
    .container{padding:0 16px}
    .hero{padding:50px 0 60px}
    .hero-title{font-size:28px}
    .hero-desc{font-size:15px}
    .hero-actions{flex-direction:column;width:100%}
    .hero-actions .btn-primary,.hero-actions .btn-outline{width:100%;justify-content:center}
    .hero-visual{max-width:260px}
    .features-grid{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:1fr}
    .steps-grid{grid-template-columns:1fr}
    .news-card{flex-direction:column}
    .news-thumb{width:100%;height:160px}
    .section-title{font-size:24px}
    .category-card-large{min-height:220px}
    .category-card-large h3{font-size:20px}
    .btn-primary,.btn-outline{padding:13px 24px;font-size:15px}
    .nav-cta{padding:13px 24px;font-size:15px}
}

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f9ca24;
            --accent-dark: #f0a500;
            --bg-dark: #0a0a0a;
            --bg-card: #141414;
            --bg-surface: #1f1f1f;
            --text-main: #f0f0f0;
            --text-muted: #a0a0a0;
            --text-title: #ffffff;
            --border-color: #2a2a2a;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 18px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 15px rgba(249,202,36,0.3);
            --transition: all 0.25s ease;
            --font-sans: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            min-height: 100vh;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10,10,10,0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-title);
            letter-spacing: -0.3px;
        }

        .logo-icon i {
            font-size: 1.8rem;
            color: var(--primary);
            filter: drop-shadow(0 0 6px rgba(230,57,70,0.5));
        }

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

        .nav-link {
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            padding: 6px 0;
            transition: var(--transition);
            font-size: 0.95rem;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--text-title);
        }

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

        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--shadow-glow);
            transition: var(--transition);
            border: 1px solid rgba(255,255,255,0.1);
        }

        .nav-cta:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            box-shadow: 0 0 25px rgba(249,202,36,0.5);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Article Hero */
        .article-hero {
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(0,0,0,0.65);
            padding: 70px 0 60px;
            position: relative;
            border-bottom: 1px solid var(--border-color);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(230,57,70,0.25) 0%, rgba(0,0,0,0.4) 100%);
            pointer-events: none;
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            padding: 4px 14px;
            border-radius: 50px;
            width: fit-content;
            letter-spacing: 0.5px;
        }

        .article-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            text-shadow: 0 4px 12px rgba(0,0,0,0.6);
            max-width: 800px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .article-meta i {
            color: var(--primary-light);
            margin-right: 4px;
        }

        /* Article Content */
        .article-content-wrapper {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 48px;
            margin-top: -30px;
            margin-bottom: 60px;
            position: relative;
            z-index: 3;
            border: 1px solid var(--border-color);
            color: #ddd;
        }

        .article-cover {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            border-radius: var(--radius);
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.8;
            word-break: break-word;
        }

        .article-body p {
            margin-bottom: 20px;
        }

        .article-body h2,
        .article-body h3 {
            color: var(--text-title);
            margin: 32px 0 16px;
        }

        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding-left: 24px;
            margin: 28px 0;
            color: #ccc;
            font-style: italic;
        }

        .not-found-message {
            text-align: center;
            padding: 60px 20px;
        }

        .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 24px;
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }

        .back-home-btn:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-glow);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 30px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            margin-top: 12px;
            color: #999;
        }

        .footer-col h4 {
            color: var(--text-title);
            margin-bottom: 16px;
            font-size: 1rem;
            font-weight: 600;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col li {
            margin-bottom: 10px;
        }

        .footer-col a {
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            color: #888;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-content-wrapper {
                padding: 32px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--bg-surface);
                flex-direction: column;
                padding: 90px 24px 30px;
                transition: right 0.3s ease;
                box-shadow: -8px 0 24px rgba(0,0,0,0.6);
                gap: 24px;
                z-index: 99;
            }
            .main-nav.open {
                right: 0;
            }
            .mobile-menu-btn {
                display: block;
            }
            .article-title {
                font-size: 1.9rem;
            }
            .article-content-wrapper {
                padding: 24px 20px;
                margin-top: -20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .nav-cta {
                padding: 10px 20px;
            }
        }

        @media (max-width: 520px) {
            .article-meta {
                gap: 12px;
            }
            .article-title {
                font-size: 1.6rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #FF6B00;
            --primary-dark: #E55D00;
            --primary-light: #FF9F4B;
            --secondary: #6C5CE7;
            --secondary-dark: #5A4BD1;
            --accent: #00D2FF;
            --bg: #0F0F1A;
            --surface: #1A1A2E;
            --surface-light: #24243A;
            --text: #EAEAEA;
            --text-muted: #A0A0B8;
            --border: #2A2A44;
            --border-light: #3E3E5A;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --shadow: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-card: 0 4px 20px rgba(0,0,0,0.25);
            --transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font: inherit;
            color: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            background: var(--surface);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 15px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        .logo-icon {
            font-size: 1.8rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-muted);
            padding: 8px 0;
            position: relative;
            transition: color 0.2s;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
            transition: width var(--transition);
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active::after {
            width: 100%;
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 12px rgba(255,107,0,0.4);
            transition: transform 0.2s, box-shadow 0.2s;
            white-space: nowrap;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255,107,0,0.6);
            color: #fff;
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.8rem;
            color: var(--text);
            cursor: pointer;
            padding: 4px 8px;
        }

        /* Hero */
        .page-hero {
            background: linear-gradient(135deg, rgba(15,15,26,0.9) 0%, rgba(15,15,26,0.7) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 80px 0 60px;
            text-align: center;
            border-bottom: 2px solid var(--primary);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 30%, rgba(108,92,231,0.2) 0%, transparent 50%);
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            margin-bottom: 16px;
            background: linear-gradient(to right, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 2px;
        }
        .page-hero p {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 24px;
        }
        .live-status {
            display: flex;
            justify-content: center;
            gap: 25px;
            flex-wrap: wrap;
            margin-top: 30px;
        }
        .status-item {
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 12px 24px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-size: 0.95rem;
        }
        .status-dot {
            display: inline-block;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #00e676;
            box-shadow: 0 0 12px #00e676;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.4; } 100% { opacity: 1; } }
        .status-hot {
            background: var(--primary);
            padding: 2px 8px;
            border-radius: 20px;
            font-size: 0.75rem;
            color: #fff;
            font-weight: 700;
        }

        /* Filter Bar */
        .filter-section {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
            position: sticky;
            top: 72px;
            z-index: 50;
        }
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .filter-btn {
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 30px;
            padding: 8px 20px;
            font-weight: 600;
            color: var(--text-muted);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-btn:hover, .filter-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 15px rgba(255,107,0,0.4);
        }
        .search-input {
            margin-left: auto;
            background: var(--surface-light);
            border: 1px solid var(--border-light);
            border-radius: 30px;
            padding: 8px 18px;
            color: #fff;
            width: 220px;
            outline: none;
            transition: border 0.2s;
        }
        .search-input:focus {
            border-color: var(--primary);
        }

        /* Game Grid */
        .games-grid-section {
            padding: 60px 0;
        }
        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
        }
        .view-all {
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: color 0.2s;
        }
        .view-all:hover {
            color: var(--primary-light);
        }
        .games-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        .game-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
            position: relative;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }
        .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }
        .game-card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            z-index: 2;
            letter-spacing: 1px;
        }
        .card-body {
            padding: 20px;
        }
        .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .card-tag {
            background: rgba(255,107,0,0.15);
            color: var(--primary-light);
            padding: 2px 10px;
            border-radius: 12px;
        }
        .card-link {
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s;
        }
        .card-link:hover {
            gap: 8px;
            color: #fff;
        }

        /* Rankings Sidebar / Block */
        .rankings-section {
            padding: 60px 0;
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .rank-container {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .rank-list {
            flex: 1 1 300px;
        }
        .rank-list h3 {
            font-size: 1.5rem;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            gap: 16px;
        }
        .rank-num {
            font-size: 1.4rem;
            font-weight: 900;
            width: 36px;
            text-align: center;
            color: var(--text-muted);
        }
        .rank-num.top1 { color: #FFD700; }
        .rank-num.top2 { color: #C0C0C0; }
        .rank-num.top3 { color: #CD7F32; }
        .rank-info {
            flex: 1;
        }
        .rank-name {
            font-weight: 700;
        }
        .rank-heat {
            font-size: 0.8rem;
            color: var(--primary-light);
        }
        .rank-change {
            color: #00e676;
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* CTA */
        .cta-section {
            padding: 80px 0;
            text-align: center;
            background: linear-gradient(135deg, rgba(108,92,231,0.15), rgba(255,107,0,0.1));
            border-top: 1px solid var(--border);
        }
        .cta-box {
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 2.2rem;
            margin-bottom: 16px;
        }
        .cta-box p {
            color: var(--text-muted);
            margin-bottom: 30px;
            font-size: 1.1rem;
        }
        .btn-cta-large {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border: none;
            padding: 14px 40px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 25px rgba(108,92,231,0.5);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(108,92,231,0.7);
        }

        /* Footer */
        .site-footer {
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
            color: var(--text-muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 12px;
            font-size: 1.3rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.5;
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 16px;
            font-size: 1rem;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: var(--text-muted);
            transition: color 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: 0.85rem;
            flex-wrap: wrap;
            gap: 10px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .games-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border);
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.3s ease;
            }
            .main-nav.open {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .menu-toggle {
                display: block;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-top: 8px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .filter-bar {
                justify-content: center;
            }
            .search-input {
                width: 180px;
                margin-left: 0;
            }
            .rank-container {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .games-grid {
                grid-template-columns: 1fr;
            }
            .page-hero {
                padding: 60px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
        }