/* roulang page: index */
:root {
  --primary: #1a2a6c;
  --primary-light: #2d4a8e;
  --primary-dark: #0f1a4a;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --accent-dark: #d97706;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --bg-dark: #0f1a2e;
  --text: #1e293b;
  --text-light: #64748b;
  --text-inverse: #f8fafc;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --header-top-height: 40px;
  --nav-height: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent-dark)}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;font-family:inherit;border:none;background:none}
input,textarea{font-family:inherit;font-size:1rem}
ul,ol{list-style:none}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}

/* header-top */
.header-top{background:var(--primary-dark);height:var(--header-top-height);display:flex;align-items:center;color:var(--text-inverse);font-size:0.85rem}
.header-top .container{display:flex;justify-content:space-between;align-items:center}
.header-top .left{display:flex;align-items:center;gap:8px;opacity:0.8}
.header-top .left i{font-size:0.75rem}
.header-top .right{display:flex;align-items:center;gap:16px}
.header-top .right a{color:var(--accent-light);font-size:0.85rem;transition:var(--transition)}
.header-top .right a:hover{color:#fff}

/* main-nav */
.main-nav{background:#fff;border-bottom:1px solid var(--border);height:var(--nav-height);position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,0.04)}
.main-nav .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:800;color:var(--primary);letter-spacing:-0.5px}
.nav-brand i{font-size:1.6rem;color:var(--accent)}
.nav-brand span{background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:8px 18px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:500;color:var(--text);transition:var(--transition);position:relative}
.nav-links a:hover{color:var(--primary);background:var(--bg-alt)}
.nav-links a.active{color:var(--primary);background:var(--bg-alt);font-weight:600}
.nav-links a.active::after{content:'';position:absolute;bottom:-2px;left:50%;transform:translateX(-50%);width:24px;height:3px;background:var(--accent);border-radius:4px}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-actions .search-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-light);transition:var(--transition);font-size:1.1rem}
.nav-actions .search-btn:hover{background:var(--bg-alt);color:var(--primary)}
.nav-actions .cta-btn{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;padding:10px 24px;border-radius:var(--radius-sm);font-weight:600;font-size:0.9rem;transition:var(--transition);box-shadow:0 4px 12px rgba(245,158,11,0.3)}
.nav-actions .cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,158,11,0.4)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.nav-toggle span{width:24px;height:2.5px;background:var(--text);border-radius:4px;transition:var(--transition)}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav-links{position:fixed;top:calc(var(--header-top-height) + var(--nav-height));left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);transform:translateY(-120%);opacity:0;pointer-events:none;transition:var(--transition);z-index:99;gap:2px}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{padding:12px 16px;width:100%;border-radius:var(--radius-sm)}
  .nav-actions .cta-btn{padding:8px 16px;font-size:0.8rem}
  .nav-brand{font-size:1.2rem}
}

/* hero */
.hero{position:relative;min-height:85vh;display:flex;align-items:center;overflow:hidden;background:var(--bg-dark)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:0.35;z-index:0}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,26,74,0.92) 0%,rgba(26,42,108,0.7) 50%,rgba(15,26,74,0.88) 100%);z-index:1}
.hero .container{position:relative;z-index:2;text-align:center;padding:80px 20px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.1);backdrop-filter:blur(12px);padding:8px 20px;border-radius:50px;color:var(--accent-light);font-size:0.9rem;font-weight:500;margin-bottom:28px;border:1px solid rgba(255,255,255,0.08)}
.hero-tag i{font-size:0.8rem}
.hero h1{font-size:clamp(2.6rem,7vw,5rem);font-weight:900;color:#fff;line-height:1.15;letter-spacing:-1px;margin-bottom:20px;text-shadow:0 2px 40px rgba(0,0,0,0.3)}
.hero h1 span{background:linear-gradient(135deg,var(--accent),var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:clamp(1.05rem,2vw,1.35rem);color:rgba(255,255,255,0.7);max-width:680px;margin:0 auto 36px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.hero-actions .btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;padding:16px 40px;border-radius:var(--radius-sm);font-weight:700;font-size:1.05rem;transition:var(--transition);box-shadow:0 8px 30px rgba(245,158,11,0.35);display:inline-flex;align-items:center;gap:10px}
.hero-actions .btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(245,158,11,0.45)}
.hero-actions .btn-secondary{background:rgba(255,255,255,0.08);backdrop-filter:blur(12px);color:#fff;padding:16px 36px;border-radius:var(--radius-sm);font-weight:600;font-size:1.05rem;transition:var(--transition);border:1px solid rgba(255,255,255,0.15);display:inline-flex;align-items:center;gap:10px}
.hero-actions .btn-secondary:hover{background:rgba(255,255,255,0.16);transform:translateY(-3px)}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;justify-content:center;margin-top:60px;padding-top:40px;border-top:1px solid rgba(255,255,255,0.08)}
.hero-stats .stat{text-align:center}
.hero-stats .stat .num{font-size:2.2rem;font-weight:800;color:#fff;display:block}
.hero-stats .stat .label{font-size:0.9rem;color:rgba(255,255,255,0.5);margin-top:4px}
@media(max-width:768px){
  .hero{min-height:70vh}
  .hero .container{padding:60px 20px}
  .hero-stats{gap:24px;margin-top:40px;padding-top:28px}
}

/* section共用 */
section{padding:80px 0}
@media(max-width:768px){section{padding:56px 0}}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800;color:var(--text);letter-spacing:-0.5px;margin-bottom:12px}
.section-title p{font-size:1.05rem;color:var(--text-light);max-width:560px;margin:0 auto;line-height:1.7}
.section-title .accent-line{width:60px;height:4px;background:linear-gradient(90deg,var(--accent),var(--accent-light));border-radius:4px;margin:16px auto 0}

/* intro */
.intro-section{background:var(--bg-alt)}
.intro-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.intro-card{background:#fff;border-radius:var(--radius);padding:36px 28px;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border-light);text-align:center}
.intro-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--accent)}
.intro-card .icon{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin:0 auto 20px;background:linear-gradient(135deg,rgba(245,158,11,0.12),rgba(245,158,11,0.05));color:var(--accent-dark)}
.intro-card h3{font-size:1.2rem;font-weight:700;margin-bottom:10px;color:var(--text)}
.intro-card p{font-size:0.95rem;color:var(--text-light);line-height:1.7}

/* category入口 */
.cat-section{background:var(--bg)}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer;background:#fff;border:1px solid var(--border-light)}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.cat-card .cat-img{height:200px;overflow:hidden;position:relative}
.cat-card .cat-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.cat-card:hover .cat-img img{transform:scale(1.05)}
.cat-card .cat-img .overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,26,74,0.6) 0%,transparent 60%)}
.cat-card .cat-body{padding:20px 24px 24px}
.cat-card .cat-body h3{font-size:1.15rem;font-weight:700;margin-bottom:6px;color:var(--text)}
.cat-card .cat-body p{font-size:0.9rem;color:var(--text-light);line-height:1.6}
.cat-card .cat-body .tag{display:inline-block;padding:4px 14px;border-radius:50px;font-size:0.75rem;font-weight:600;background:rgba(245,158,11,0.12);color:var(--accent-dark);margin-top:12px}

/* 最新资讯列表 */
.news-section{background:var(--bg-alt)}
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border-light);display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-card .news-img{height:200px;overflow:hidden;position:relative;flex-shrink:0}
.news-card .news-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.news-card:hover .news-img img{transform:scale(1.05)}
.news-card .news-img .badge{position:absolute;top:14px;left:14px;padding:4px 14px;border-radius:50px;font-size:0.75rem;font-weight:600;background:var(--accent);color:#fff;box-shadow:0 2px 12px rgba(245,158,11,0.3)}
.news-card .news-body{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column}
.news-card .news-body .meta{display:flex;align-items:center;gap:14px;font-size:0.8rem;color:var(--text-light);margin-bottom:10px}
.news-card .news-body .meta i{margin-right:4px}
.news-card .news-body h3{font-size:1.1rem;font-weight:700;margin-bottom:8px;line-height:1.4;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .news-body p{font-size:0.9rem;color:var(--text-light);line-height:1.6;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-card .news-body .read-more{display:inline-flex;align-items:center;gap:6px;font-size:0.9rem;font-weight:600;color:var(--primary);transition:var(--transition)}
.news-card .news-body .read-more:hover{color:var(--accent-dark);gap:12px}
.news-empty{padding:60px 20px;text-align:center;color:var(--text-light);font-size:1.05rem;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);grid-column:1/-1}
.news-empty i{font-size:2.4rem;color:var(--border);margin-bottom:16px;display:block}
@media(max-width:520px){.news-grid{grid-template-columns:1fr}}

/* data/流程 */
.data-section{background:var(--bg-dark);position:relative;overflow:hidden}
.data-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.08;z-index:0}
.data-section .container{position:relative;z-index:1}
.data-section .section-title h2{color:#fff}
.data-section .section-title p{color:rgba(255,255,255,0.6)}
.data-section .section-title .accent-line{background:linear-gradient(90deg,var(--accent),var(--accent-light))}
.data-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:28px;margin-top:20px}
.data-item{text-align:center;padding:32px 20px;background:rgba(255,255,255,0.04);border-radius:var(--radius);border:1px solid rgba(255,255,255,0.06);backdrop-filter:blur(8px);transition:var(--transition)}
.data-item:hover{background:rgba(255,255,255,0.08);transform:translateY(-4px)}
.data-item .num{font-size:2.8rem;font-weight:900;color:var(--accent);display:block;line-height:1.2}
.data-item .label{font-size:0.95rem;color:rgba(255,255,255,0.5);margin-top:6px}
.data-item .sub{font-size:0.8rem;color:rgba(255,255,255,0.3);margin-top:4px}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border-light);overflow:hidden;transition:var(--transition)}
.faq-item:hover{box-shadow:var(--shadow-hover)}
.faq-item .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;padding:20px 24px;font-size:1rem;font-weight:600;color:var(--text);text-align:left;background:transparent;transition:var(--transition);gap:16px}
.faq-item .faq-q:hover{color:var(--primary)}
.faq-item .faq-q i{font-size:0.85rem;color:var(--text-light);transition:var(--transition);flex-shrink:0}
.faq-item.active .faq-q i{transform:rotate(180deg);color:var(--accent)}
.faq-item .faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:var(--transition);color:var(--text-light);font-size:0.95rem;line-height:1.7}
.faq-item.active .faq-a{padding:0 24px 20px;max-height:400px}

/* CTA */
.cta-section{background:linear-gradient(135deg,var(--primary-dark),var(--primary));position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:0.06;z-index:0}
.cta-section .container{position:relative;z-index:1;text-align:center;padding:60px 20px}
.cta-section h2{font-size:clamp(1.8rem,3vw,2.4rem);font-weight:800;color:#fff;margin-bottom:14px}
.cta-section p{font-size:1.05rem;color:rgba(255,255,255,0.65);max-width:540px;margin:0 auto 32px;line-height:1.7}
.cta-section .cta-btn-group{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.cta-section .btn-cta{background:var(--accent);color:var(--primary-dark);padding:16px 44px;border-radius:var(--radius-sm);font-weight:700;font-size:1.05rem;transition:var(--transition);box-shadow:0 8px 30px rgba(245,158,11,0.3);display:inline-flex;align-items:center;gap:10px}
.cta-section .btn-cta:hover{transform:translateY(-3px);box-shadow:0 14px 44px rgba(245,158,11,0.4);background:var(--accent-light)}
.cta-section .btn-outline{background:transparent;color:#fff;padding:16px 36px;border-radius:var(--radius-sm);font-weight:600;font-size:1.05rem;transition:var(--transition);border:2px solid rgba(255,255,255,0.2);display:inline-flex;align-items:center;gap:10px}
.cta-section .btn-outline:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.4)}

/* footer */
.footer{background:var(--bg-dark);color:rgba(255,255,255,0.6);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.06)}
.footer-brand .logo{font-size:1.4rem;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo i{color:var(--accent);font-size:1.6rem}
.footer-brand p{font-size:0.9rem;line-height:1.7;max-width:320px}
.footer-col h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,0.5);font-size:0.9rem;transition:var(--transition);display:inline-flex;align-items:center;gap:6px}
.footer-col ul li a:hover{color:var(--accent-light);transform:translateX(4px)}
.footer-bottom{padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;font-size:0.85rem;color:rgba(255,255,255,0.35)}
.footer-bottom a{color:rgba(255,255,255,0.35)}
.footer-bottom a:hover{color:var(--accent-light)}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* 通用组件 */
.btn-line{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border-radius:var(--radius-sm);font-weight:600;font-size:0.9rem;transition:var(--transition);border:1.5px solid var(--border);color:var(--text)}
.btn-line:hover{border-color:var(--primary);color:var(--primary);background:var(--bg-alt)}
.tag{display:inline-block;padding:4px 14px;border-radius:50px;font-size:0.75rem;font-weight:600;background:rgba(245,158,11,0.12);color:var(--accent-dark)}
.section-divider{height:1px;background:var(--border);margin:0}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e65c00;
            --primary-light: #ff7a1a;
            --primary-dark: #cc5200;
            --secondary: #1a1a2e;
            --secondary-light: #2d2d44;
            --accent: #f0c040;
            --bg-body: #0b0b14;
            --bg-card: #141420;
            --bg-card-hover: #1c1c30;
            --bg-section: #11111e;
            --text-primary: #f0e6d3;
            --text-secondary: #b8a99a;
            --text-muted: #7a6e62;
            --border-color: #2a2a40;
            --border-light: #3a3a52;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 92, 0, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-w: 1200px;
            --header-h: 72px;
            --topbar-h: 38px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            min-height: 100vh;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 4px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        ul {
            list-style: none;
            padding: 0;
        }

        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.6;
        }

        .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 16px auto 32px;
        }

        /* ===== Header & Top Bar ===== */
        .top-bar {
            background: var(--secondary);
            height: var(--topbar-h);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .top-bar .domain-tip {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .top-bar .domain-tip i {
            color: var(--primary-light);
            font-size: 0.7rem;
        }
        .top-bar .top-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .top-bar .top-actions a {
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .top-bar .top-actions a:hover {
            color: var(--primary-light);
        }

        /* ===== Main Navigation ===== */
        .main-nav {
            background: var(--secondary);
            height: var(--header-h);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .main-nav.scrolled {
            background: rgba(26, 26, 46, 0.96);
            backdrop-filter: blur(12px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.03em;
            transition: var(--transition);
        }
        .nav-brand i {
            color: var(--primary-light);
            font-size: 1.6rem;
        }
        .nav-brand:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary-light);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(230, 92, 0, 0.08);
        }
        .nav-links a:hover::after {
            width: 60%;
        }
        .nav-links a.active {
            color: var(--text-primary);
            background: rgba(230, 92, 0, 0.12);
        }
        .nav-links a.active::after {
            width: 60%;
        }

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

        .search-btn {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.2rem;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            color: var(--primary-light);
            background: rgba(230, 92, 0, 0.08);
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(230, 92, 0, 0.25);
        }
        .cta-btn i {
            font-size: 1rem;
        }
        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 92, 0, 0.35);
            color: #fff;
        }
        .cta-btn:active {
            transform: translateY(0);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 4px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle:hover span {
            background: var(--primary-light);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-body) 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 20, 0.4) 0%, rgba(11, 11, 20, 0.9) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.03em;
            line-height: 1.2;
        }
        .page-banner h1 span {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .page-banner .banner-tags {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .page-banner .banner-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 30px;
            background: rgba(230, 92, 0, 0.12);
            border: 1px solid rgba(230, 92, 0, 0.2);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
        }
        .page-banner .banner-tags span i {
            color: var(--primary-light);
        }

        /* ===== Category Intro ===== */
        .category-intro {
            background: var(--bg-section);
        }
        .category-intro .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .category-intro .intro-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .category-intro .intro-text p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .category-intro .intro-text .stats-row {
            display: flex;
            gap: 32px;
            margin-top: 28px;
        }
        .category-intro .intro-text .stat-item {
            text-align: center;
        }
        .category-intro .intro-text .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1.2;
        }
        .category-intro .intro-text .stat-item .label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .category-intro .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .category-intro .intro-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-intro .intro-image:hover img {
            transform: scale(1.03);
        }

        /* ===== Sport Categories ===== */
        .sport-categories {
            background: var(--bg-body);
        }
        .sport-categories .cat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .sport-categories .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .sport-categories .cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }
        .sport-categories .cat-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .sport-categories .cat-card:hover::before {
            transform: scaleX(1);
        }
        .sport-categories .cat-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(230, 92, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary-light);
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .sport-categories .cat-card:hover .icon-wrap {
            background: rgba(230, 92, 0, 0.2);
            transform: scale(1.05);
        }
        .sport-categories .cat-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .sport-categories .cat-card p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .sport-categories .cat-card .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sport-categories .cat-card .tag-list .tag {
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(240, 192, 64, 0.08);
            border: 1px solid rgba(240, 192, 64, 0.15);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* ===== Featured Events ===== */
        .featured-events {
            background: var(--bg-section);
        }
        .featured-events .event-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .featured-events .event-card {
            display: flex;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .featured-events .event-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .featured-events .event-card .event-img {
            width: 200px;
            min-height: 180px;
            flex-shrink: 0;
            overflow: hidden;
        }
        .featured-events .event-card .event-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .featured-events .event-card:hover .event-img img {
            transform: scale(1.05);
        }
        .featured-events .event-card .event-info {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-events .event-card .event-info .badge {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 20px;
            background: rgba(230, 92, 0, 0.12);
            color: var(--primary-light);
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            width: fit-content;
        }
        .featured-events .event-card .event-info h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .featured-events .event-card .event-info p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .featured-events .event-card .event-info .meta {
            display: flex;
            gap: 16px;
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .featured-events .event-card .event-info .meta i {
            color: var(--primary-light);
            margin-right: 4px;
        }

        /* ===== Stats Section ===== */
        .stats-section {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }
        .stats-section .container {
            position: relative;
            z-index: 1;
        }
        .stats-section .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stats-section .stat-card {
            padding: 32px 16px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .stats-section .stat-card:hover {
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-4px);
        }
        .stats-section .stat-card .num {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stats-section .stat-card .label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== Event Guide Flow ===== */
        .guide-flow {
            background: var(--bg-body);
        }
        .guide-flow .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .guide-flow .flow-step {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            counter-increment: step;
        }
        .guide-flow .flow-step::before {
            content: counter(step);
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(230, 92, 0, 0.3);
        }
        .guide-flow .flow-step:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .guide-flow .flow-step .icon {
            font-size: 2.2rem;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        .guide-flow .flow-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .guide-flow .flow-step p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-section);
        }
        .faq-section .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-section .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-section .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-section .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            transition: var(--transition);
            font-size: 1rem;
        }
        .faq-section .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-section .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--primary-light);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .faq-section .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-section .faq-item summary:hover {
            background: rgba(230, 92, 0, 0.04);
        }
        .faq-section .faq-item .faq-body {
            padding: 0 24px 18px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
            border-top: 1px solid var(--border-color);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }
        .cta-section .cta-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .cta-group .btn-primary {
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(230, 92, 0, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .cta-group .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(230, 92, 0, 0.4);
            color: #fff;
        }
        .cta-section .cta-group .btn-secondary {
            padding: 14px 36px;
            background: transparent;
            color: var(--text-primary);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .cta-group .btn-secondary:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(230, 92, 0, 0.06);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer .footer-brand .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer .footer-brand .logo i {
            color: var(--primary-light);
        }
        .footer .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary-light);
            border-radius: 4px;
        }
        .footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--text-muted);
            font-size: 0.82rem;
        }
        .footer .footer-bottom a {
            color: var(--text-muted);
        }
        .footer .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Mobile Nav ===== */
        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: calc(var(--header-h) + var(--topbar-h));
                left: 0;
                right: 0;
                background: var(--secondary);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                padding: 14px 18px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-links a::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions .cta-btn span {
                display: none;
            }
            .nav-actions .cta-btn i {
                font-size: 1.2rem;
            }

            .category-intro .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .category-intro .intro-image img {
                height: 260px;
            }
            .sport-categories .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-events .event-grid {
                grid-template-columns: 1fr;
            }
            .featured-events .event-card .event-img {
                width: 160px;
            }
            .stats-section .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-flow .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }

            .page-banner {
                padding: 60px 0 50px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }

            .category-intro .intro-text h2 {
                font-size: 1.4rem;
            }
            .category-intro .intro-text .stats-row {
                gap: 20px;
                flex-wrap: wrap;
            }
            .category-intro .intro-text .stat-item .num {
                font-size: 1.6rem;
            }

            .sport-categories .cat-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .featured-events .event-card {
                flex-direction: column;
            }
            .featured-events .event-card .event-img {
                width: 100%;
                height: 180px;
            }
            .stats-section .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stats-section .stat-card .num {
                font-size: 2rem;
            }
            .guide-flow .flow-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-section .container {
                padding: 56px 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .top-bar .top-actions a span {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-tags span {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
            .nav-brand {
                font-size: 1.2rem;
            }
            .nav-brand i {
                font-size: 1.3rem;
            }
            .cta-btn {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .stats-section .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-section .stat-card {
                padding: 20px 12px;
            }
            .stats-section .stat-card .num {
                font-size: 1.6rem;
            }
            .featured-events .event-card .event-info {
                padding: 16px;
            }
            .cta-section .cta-group .btn-primary,
            .cta-section .cta-group .btn-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .faq-section .faq-item summary {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-section .faq-item .faq-body {
                padding: 0 16px 14px;
                font-size: 0.88rem;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-dark);
        }

        /* ===== Selection ===== */
        ::selection {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Smooth reveal animation ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: article */
:root {
  --primary: #0f1b2d;
  --primary-light: #1a2d4a;
  --primary-dark: #070e1a;
  --accent: #2d6cf0;
  --accent-hover: #1a56d6;
  --accent-light: #e8f0fe;
  --gold: #f59e0b;
  --gold-hover: #d4880a;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --bg-dark: #0f1b2d;
  --text: #1e293b;
  --text-light: #64748b;
  --text-white: #ffffff;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow: 0 4px 24px rgba(15, 27, 45, 0.08);
  --shadow-hover: 0 8px 40px rgba(15, 27, 45, 0.15);
  --shadow-lg: 0 20px 60px rgba(15, 27, 45, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-height: 80px;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', 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-family); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); min-height: 100vh; display: flex; flex-direction: column; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button { cursor: pointer; font-family: inherit; border: none; background: none; transition: var(--transition); }
input, textarea { font-family: inherit; font-size: 1rem; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--text); font-weight: 700; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1rem; color: var(--text-light); }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { max-width: 640px; margin: 0 auto; color: var(--text-light); font-size: 1.1rem; }
@media (max-width: 768px) { .section { padding: 48px 0; } h1 { font-size: 1.8rem; } h2 { font-size: 1.5rem; } h3 { font-size: 1.25rem; } }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem; transition: var(--transition); border: 2px solid transparent; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(45, 108, 240, 0.3); }
.btn-gold { background: var(--gold); color: #fff; border-color: var(--gold); }
.btn-gold:hover { background: var(--gold-hover); border-color: var(--gold-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3); }
.btn-outline { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; background: var(--accent-light); color: var(--accent); }
.badge-gold { background: rgba(245, 158, 11, 0.12); color: var(--gold); }
.badge-green { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.badge-red { background: rgba(239, 68, 68, 0.12); color: #ef4444; }

/* Header & Nav */
.main-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15, 27, 45, 0.95); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06); height: var(--header-height);
}
.main-nav .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.nav-brand { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 800; color: #fff; letter-spacing: -0.5px; flex-shrink: 0; }
.nav-brand i { color: var(--gold); font-size: 1.4rem; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a { padding: 8px 18px; border-radius: var(--radius-sm); font-weight: 500; font-size: 0.95rem; color: rgba(255,255,255,0.7); transition: var(--transition); position: relative; }
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-links a.active { color: #fff; background: rgba(45, 108, 240, 0.2); }
.nav-links a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; border-radius: 2px; background: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.search-btn { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); font-size: 1.1rem; background: rgba(255,255,255,0.06); transition: var(--transition); }
.search-btn:hover { background: rgba(255,255,255,0.12); color: #fff; }
.cta-btn { padding: 8px 20px; border-radius: var(--radius-sm); background: linear-gradient(135deg, var(--gold), #d4880a); color: #fff; font-weight: 600; font-size: 0.9rem; display: flex; align-items: center; gap: 6px; transition: var(--transition); }
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35); color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; background: none; border: none; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(15, 27, 45, 0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 16px; gap: 4px; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 14px 18px; font-size: 1rem; }
  .nav-toggle { display: flex; }
  .cta-btn span { display: none; }
}

/* Hero Banner */
.article-hero {
  padding-top: var(--header-height); min-height: 420px; display: flex; align-items: center; position: relative; overflow: hidden;
  background: var(--bg-dark); color: #fff;
}
.article-hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; opacity: 0.35; z-index: 0; }
.article-hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,27,45,0.85) 0%, rgba(15,27,45,0.4) 100%); }
.article-hero .container { position: relative; z-index: 1; padding-top: 40px; padding-bottom: 40px; }
.article-hero-content { max-width: 860px; }
.article-hero .breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; font-size: 0.9rem; color: rgba(255,255,255,0.6); }
.article-hero .breadcrumb a { color: rgba(255,255,255,0.7); }
.article-hero .breadcrumb a:hover { color: var(--gold); }
.article-hero .breadcrumb .sep { color: rgba(255,255,255,0.3); }
.article-hero h1 { font-size: 2.6rem; font-weight: 800; color: #fff; margin-bottom: 16px; line-height: 1.25; letter-spacing: -0.5px; }
.article-hero .hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-bottom: 16px; }
.hero-meta .badge { font-size: 0.85rem; padding: 6px 18px; }
.hero-meta .meta-item { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; color: rgba(255,255,255,0.65); }
.hero-meta .meta-item i { font-size: 0.85rem; }
.article-hero .hero-desc { font-size: 1.1rem; color: rgba(255,255,255,0.7); max-width: 680px; line-height: 1.6; }
@media (max-width: 768px) {
  .article-hero { min-height: 320px; }
  .article-hero h1 { font-size: 1.7rem; }
  .article-hero .hero-desc { font-size: 0.95rem; }
  .hero-meta { gap: 10px; }
}

/* Article Content */
.article-main { padding: 60px 0; flex: 1; }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.article-body { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 48px; }
.article-body .article-featured-img { margin-bottom: 32px; border-radius: var(--radius); overflow: hidden; }
.article-body .article-featured-img img { width: 100%; height: auto; max-height: 480px; object-fit: cover; }
.article-content { font-size: 1.05rem; line-height: 1.85; color: var(--text); }
.article-content h2 { margin-top: 36px; margin-bottom: 16px; font-size: 1.5rem; }
.article-content h3 { margin-top: 28px; margin-bottom: 12px; font-size: 1.25rem; }
.article-content p { margin-bottom: 1.2rem; color: var(--text); }
.article-content ul, .article-content ol { margin-bottom: 1.2rem; padding-left: 24px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 6px; color: var(--text); }
.article-content img { border-radius: var(--radius); margin: 24px auto; max-width: 100%; }
.article-content blockquote { border-left: 4px solid var(--accent); background: var(--accent-light); padding: 16px 24px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text); font-style: italic; }
.article-content a { color: var(--accent); text-decoration: underline; }
.article-content a:hover { color: var(--accent-hover); }
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-tags .tag-label { font-weight: 600; color: var(--text); font-size: 0.9rem; }
.article-tags .tag { padding: 6px 16px; border-radius: 50px; background: var(--bg-alt); color: var(--text-light); font-size: 0.85rem; font-weight: 500; transition: var(--transition); }
.article-tags .tag:hover { background: var(--accent-light); color: var(--accent); }
.article-share { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.article-share .share-label { font-weight: 600; color: var(--text); font-size: 0.9rem; }
.article-share .share-btn { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--bg-alt); color: var(--text-light); font-size: 1rem; transition: var(--transition); }
.article-share .share-btn:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

/* Sidebar */
.article-sidebar { display: flex; flex-direction: column; gap: 32px; }
.sidebar-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; }
.sidebar-card h4 { margin-bottom: 16px; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; }
.sidebar-card h4 i { color: var(--accent); }
.sidebar-list { display: flex; flex-direction: column; gap: 12px; }
.sidebar-list li { padding: 10px 0; border-bottom: 1px solid var(--border-light); }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a { display: flex; flex-direction: column; gap: 4px; transition: var(--transition); }
.sidebar-list a:hover { color: var(--accent); }
.sidebar-list .list-title { font-weight: 600; font-size: 0.95rem; color: var(--text); }
.sidebar-list .list-meta { font-size: 0.8rem; color: var(--text-muted); }

/* Not Found */
.not-found-wrap { padding: 100px 0; text-align: center; flex: 1; display: flex; align-items: center; justify-content: center; }
.not-found-wrap .not-found-icon { font-size: 4rem; color: var(--text-muted); margin-bottom: 24px; }
.not-found-wrap h1 { font-size: 2rem; margin-bottom: 12px; }
.not-found-wrap p { font-size: 1.1rem; color: var(--text-light); margin-bottom: 32px; }

/* Related Posts */
.related-section { background: var(--bg-alt); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-card .card-img { height: 200px; overflow: hidden; }
.related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-slow); }
.related-card:hover .card-img img { transform: scale(1.06); }
.related-card .card-body { padding: 20px; }
.related-card .card-body h4 { font-size: 1.05rem; margin-bottom: 8px; }
.related-card .card-body h4 a { color: var(--text); }
.related-card .card-body h4 a:hover { color: var(--accent); }
.related-card .card-body p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-muted); }
.related-card .card-meta .badge { font-size: 0.75rem; padding: 2px 10px; }
@media (max-width: 768px) { .related-grid { grid-template-columns: 1fr; } }

/* CTA */
.cta-section { background: var(--bg-dark); color: #fff; text-align: center; }
.cta-section h2 { color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 32px; }
.cta-form { display: flex; justify-content: center; gap: 12px; max-width: 500px; margin: 0 auto; flex-wrap: wrap; }
.cta-form input { flex: 1; min-width: 200px; padding: 14px 20px; border-radius: var(--radius-sm); border: 2px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.06); color: #fff; font-size: 1rem; transition: var(--transition); }
.cta-form input::placeholder { color: rgba(255,255,255,0.4); }
.cta-form input:focus { outline: none; border-color: var(--accent); background: rgba(255,255,255,0.1); }

/* Footer */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.footer-brand .logo i { color: var(--gold); }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 20px; font-weight: 600; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: rgba(255,255,255,0.55); font-size: 0.9rem; display: flex; align-items: center; gap: 8px; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--gold); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--gold); }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } .footer-bottom { flex-direction: column; text-align: center; } }

/* Responsive Article */
@media (max-width: 1024px) { .article-layout { grid-template-columns: 1fr; } .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; } }
@media (max-width: 768px) { .article-body { padding: 24px; } .article-sidebar { grid-template-columns: 1fr; } .article-hero h1 { font-size: 1.5rem; } }

/* Animations */
.fade-up { opacity: 0; transform: translateY(30px); animation: fadeUp 0.7s ease forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }