/* roulang page: index */
:root{
  --primary:#2563eb;
  --primary-dark:#1e40af;
  --primary-light:#60a5fa;
  --accent:#06b6d4;
  --accent-2:#10b981;
  --dark:#0a1628;
  --dark-2:#132238;
  --bg-light:#f6f8fc;
  --bg-white:#ffffff;
  --text-main:#1e293b;
  --text-muted:#64748b;
  --border:#e2e8f0;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 12px rgba(0,0,0,.06);
  --shadow-md:0 8px 30px rgba(0,0,0,.08);
  --shadow-lg:0 20px 50px rgba(0,0,0,.12);
  --transition:.3s cubic-bezier(.4,0,.2,1);
  --spacing-section:96px;
  --spacing-section-sm:64px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;color:var(--text-main);line-height:1.7;background:var(--bg-light);overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;border:none;background:none;font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1260px;padding-left:24px;padding-right:24px}
.btn{border-radius:var(--radius-sm);font-weight:600;padding:.55rem 1.4rem;transition:all var(--transition);display:inline-flex;align-items:center;gap:.5rem;border:2px solid transparent;font-size:.95rem}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 18px rgba(37,99,235,.3)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.4)}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;backdrop-filter:blur(4px)}
.btn-outline:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.15);transform:translateY(-2px)}
.btn-outline-dark{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline-dark:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(37,99,235,.25)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 16px rgba(6,182,212,.3)}
.btn-accent:hover{background:#0891b2;transform:translateY(-2px);box-shadow:0 8px 24px rgba(6,182,212,.35)}
.section{padding:var(--spacing-section) 0}
.section-sm{padding:var(--spacing-section-sm) 0}
.section-label{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;color:var(--primary);text-transform:uppercase;background:rgba(37,99,235,.1);padding:.35rem .85rem;border-radius:20px;margin-bottom:.75rem}
.section-title{font-size:2.2rem;font-weight:800;line-height:1.25;color:var(--dark);margin-bottom:.5rem}
.section-desc{font-size:1.05rem;color:var(--text-muted);max-width:720px;margin-bottom:2.5rem}
.text-center .section-desc{margin-left:auto;margin-right:auto}
.section-dark{background:var(--dark);color:#e2e8f0}
.section-dark .section-title{color:#fff}
.section-dark .section-desc{color:#94a3b8}
.bg-white{background:var(--bg-white)}
/* Header */
.site-header{position:sticky;top:0;z-index:1050;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:box-shadow var(--transition)}
.site-header.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.08)}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0;border-bottom:1px solid rgba(226,232,240,.6)}
.brand{display:flex;align-items:center;gap:.5rem;font-size:1.55rem;font-weight:800;color:var(--dark);letter-spacing:-.02em}
.brand .brand-icon{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;box-shadow:0 4px 14px rgba(37,99,235,.3)}
.brand .brand-text{color:var(--primary);font-weight:900}
.header-actions{display:flex;align-items:center;gap:.75rem}
.search-box{position:relative}
.search-box .form-control{border:1.5px solid var(--border);border-radius:20px;padding:.4rem .5rem .4rem 2.2rem;font-size:.85rem;width:240px;transition:all var(--transition)}
.search-box .form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.search-box .search-icon{position:absolute;left:.75rem;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:.85rem;pointer-events:none}
.main-nav{display:flex;align-items:center;justify-content:space-between;padding:.5rem 0}
.nav-list{display:flex;align-items:center;gap:.25rem}
.nav-list a{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1.2rem;border-radius:24px;font-size:.95rem;font-weight:600;color:var(--text-muted);transition:all var(--transition)}
.nav-list a:hover{color:var(--primary);background:rgba(37,99,235,.08)}
.nav-list a.active{color:var(--primary);background:rgba(37,99,235,.12)}
.nav-list a i{font-size:.8rem;opacity:.7}
.hot-tags{display:flex;align-items:center;gap:.35rem;font-size:.8rem}
.hot-tags span{color:var(--text-muted);font-weight:500;white-space:nowrap}
.hot-tags a{color:var(--text-muted);padding:.2rem .6rem;border-radius:14px;background:#f1f5f9;transition:all var(--transition);font-size:.78rem}
.hot-tags a:hover{background:var(--primary);color:#fff}
/* Mobile nav toggle */
.mobile-toggle{display:none;font-size:1.4rem;color:var(--dark);padding:.25rem .5rem;border-radius:8px}
.mobile-toggle:hover{background:#f1f5f9}
/* Hero */
.hero{position:relative;background:linear-gradient(120deg,#0a1628 0%,#132238 50%,#0d1f3c 100%);color:#fff;padding:120px 0 80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.4}
.hero-bg-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,22,40,.92) 0%,rgba(10,22,40,.75) 40%,rgba(13,31,60,.5) 100%)}
.hero .container{position:relative;z-index:2}
.hero-eyebrow{display:inline-flex;align-items:center;gap:.5rem;background:rgba(6,182,212,.2);border:1px solid rgba(6,182,212,.4);color:#67e8f9;font-size:.8rem;font-weight:700;letter-spacing:.08em;padding:.4rem 1.1rem;border-radius:24px;margin-bottom:1.5rem;text-transform:uppercase}
.hero-eyebrow i{font-size:.85rem}
.hero h1{font-size:3.2rem;font-weight:900;line-height:1.15;margin-bottom:1.25rem;letter-spacing:-.02em;max-width:760px}
.hero h1 .highlight{color:var(--primary-light);position:relative}
.hero h1 .highlight::after{content:'';position:absolute;bottom:-2px;left:0;width:100%;height:6px;background:linear-gradient(90deg,var(--accent),transparent);border-radius:4px}
.hero-sub{font-size:1.1rem;color:#cbd5e1;line-height:1.8;max-width:640px;margin-bottom:2rem}
.hero-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:3rem}
.hero-metrics{display:grid;grid-template-columns:repeat(4,auto);gap:1rem;border-top:1px solid rgba(255,255,255,.15);padding-top:2rem;max-width:640px}
.hero-metrics .metric .num{font-size:1.6rem;font-weight:800;color:#fff;line-height:1.2}
.hero-metrics .metric .num span{color:var(--accent);font-size:1.5rem}
.hero-metrics .metric .lbl{font-size:.78rem;color:#94a3b8;letter-spacing:.05em}
/* Feature cards */
.feature-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem 1.75rem;height:100%;transition:all var(--transition);position:relative;overflow:hidden}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity var(--transition)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,rgba(37,99,235,.15),rgba(6,182,212,.15));display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--primary);margin-bottom:1.25rem;transition:transform var(--transition)}
.feature-card:hover .feature-icon{transform:scale(1.08) rotate(-3deg)}
.feature-card h3{font-size:1.15rem;font-weight:700;color:var(--dark);margin-bottom:.6rem}
.feature-card p{font-size:.9rem;color:var(--text-muted);line-height:1.7;margin-bottom:0}
/* Category cards */
.category-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;height:100%;min-height:340px;display:flex;align-items:flex-end;box-shadow:var(--shadow-md);transition:all var(--transition)}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.category-card .category-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.category-card .category-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,22,40,0) 0%,rgba(10,22,40,.82) 70%,rgba(10,22,40,.95) 100%);transition:opacity var(--transition)}
.category-card .category-body{position:relative;z-index:2;padding:2rem;width:100%}
.category-card .category-tag{display:inline-block;background:rgba(37,99,235,.6);color:#fff;font-size:.75rem;font-weight:700;padding:.25rem .75rem;border-radius:16px;margin-bottom:.75rem;letter-spacing:.06em}
.category-card .category-body h3{color:#fff;font-size:1.5rem;font-weight:800;margin-bottom:.4rem}
.category-card .category-body p{color:#cbd5e1;font-size:.9rem;line-height:1.65;margin-bottom:1rem}
.category-card .category-link{display:inline-flex;align-items:center;gap:.4rem;color:#93c5fd;font-size:.9rem;font-weight:600;transition:all var(--transition)}
.category-card .category-link:hover{color:#fff;gap:.7rem}
/* News section */
.news-section{background:var(--bg-light)}
.news-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-md);padding:1.5rem;transition:all var(--transition);height:100%;display:flex;flex-direction:column}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:rgba(37,99,235,.3)}
.news-card .news-cat{display:inline-block;font-size:.72rem;font-weight:700;color:var(--primary);background:rgba(37,99,235,.1);padding:.2rem .7rem;border-radius:14px;margin-bottom:.85rem;letter-spacing:.04em;align-self:flex-start}
.news-card .news-title{font-size:1rem;font-weight:700;color:var(--dark);line-height:1.5;margin-bottom:.5rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--transition)}
.news-card .news-title:hover{color:var(--primary)}
.news-card .news-excerpt{font-size:.85rem;color:var(--text-muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex-grow:1}
.news-card .news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:1rem;padding-top:.75rem;border-top:1px solid #f1f5f9;font-size:.78rem;color:var(--text-muted)}
.news-card .news-meta i{font-size:.7rem;margin-right:.25rem}
.empty-tip{text-align:center;padding:3rem 2rem;background:var(--bg-white);border-radius:var(--radius-md);border:1px dashed var(--border);color:var(--text-muted);font-size:1rem}
/* Stats section */
.stats-section{position:relative;background:linear-gradient(135deg,var(--dark) 0%,var(--dark-2) 100%);color:#fff;padding:var(--spacing-section) 0;overflow:hidden}
.stats-section .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.25}
.stats-section .container{position:relative;z-index:2}
.stats-section .section-title{color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-top:2rem}
.stat-item{text-align:center;padding:2.5rem 1.5rem;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);transition:all var(--transition)}
.stat-item:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.stat-item .stat-num{font-size:2.8rem;font-weight:900;background:linear-gradient(135deg,#93c5fd,#67e8f9);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2;margin-bottom:.3rem}
.stat-item .stat-label{font-size:.9rem;color:#94a3b8;letter-spacing:.05em}
/* Process section */
.process-section{background:var(--bg-white)}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:2rem}
.process-item{text-align:center;padding:2.5rem 2rem;position:relative}
.process-item:not(:last-child)::after{content:'';position:absolute;top:50%;right:-1rem;width:2rem;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;opacity:.4}
.process-step{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:800;color:#fff;margin:0 auto 1.25rem;box-shadow:0 8px 24px rgba(37,99,235,.3)}
.process-item h3{font-size:1.1rem;font-weight:700;color:var(--dark);margin-bottom:.5rem}
.process-item p{font-size:.9rem;color:var(--text-muted);line-height:1.6}
/* FAQ */
.faq-section{background:var(--bg-light)}
.accordion-item{border:1px solid var(--border) !important;border-radius:var(--radius-md) !important;margin-bottom:.75rem;overflow:hidden;background:var(--bg-white);box-shadow:var(--shadow-sm)}
.accordion-header .accordion-button{font-weight:600;color:var(--dark);padding:1.25rem 1.5rem;background:var(--bg-white);font-size:1rem;transition:all var(--transition)}
.accordion-header .accordion-button:not(.collapsed){color:var(--primary);background:rgba(37,99,235,.04)}
.accordion-header .accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-header .accordion-button::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%232563eb' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E")}
.accordion-body{padding:1.25rem 1.5rem;color:var(--text-muted);font-size:.95rem;line-height:1.75;border-top:1px solid #f1f5f9}
/* CTA */
.cta-section{position:relative;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 60%,#1e3a8a 100%);color:#fff;padding:72px 0;overflow:hidden}
.cta-section .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.2}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{font-size:2rem;font-weight:800;margin-bottom:.75rem;color:#fff}
.cta-section p{color:#bfdbfe;font-size:1.05rem;max-width:640px;margin-bottom:1.5rem}
.cta-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
/* Footer */
.site-footer{background:var(--dark);color:#94a3b8;padding:60px 0 0;font-size:.9rem}
.footer-brand{display:flex;align-items:center;gap:.5rem;font-size:1.4rem;font-weight:800;color:#fff;margin-bottom:.75rem}
.footer-brand .brand-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem}
.footer-desc{font-size:.88rem;color:#64748b;line-height:1.7;max-width:320px;margin-bottom:1.5rem}
.footer-title{font-size:.95rem;font-weight:700;color:#e2e8f0;margin-bottom:1rem;letter-spacing:.04em}
.footer-links li{margin-bottom:.55rem}
.footer-links a{color:#94a3b8;font-size:.88rem;transition:all var(--transition)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding:1.5rem 0;text-align:center;font-size:.8rem;color:#64748b}
.footer-bottom span{color:#94a3b8}
/* Responsive */
@media(max-width:1024px){
  :root{--spacing-section:72px}
  .hero h1{font-size:2.6rem}
  .hero-metrics{grid-template-columns:repeat(2,auto);gap:.5rem 2rem}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(3,1fr);gap:1rem}
  .search-box .form-control{width:180px}
}
@media(max-width:768px){
  :root{--spacing-section:56px}
  .header-top{padding:.6rem 0}
  .search-box{display:none}
  .mobile-toggle{display:block}
  .nav-list{display:none}
  .nav-list.open{display:flex;flex-direction:column;align-items:flex-start;position:absolute;top:100%;left:0;right:0;background:var(--bg-white);padding:1rem;border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);z-index:1000}
  .nav-list.open a{width:100%;border-radius:8px;padding:.6rem 1rem}
  .main-nav{position:relative;justify-content:space-between}
  .hot-tags{display:none}
  .hero{padding:80px 0 60px}
  .hero h1{font-size:2rem}
  .hero-sub{font-size:1rem}
  .hero-actions .btn{padding:.5rem 1.2rem;font-size:.9rem}
  .section-title{font-size:1.7rem}
  .process-grid{grid-template-columns:1fr}
  .process-item:not(:last-child)::after{display:none}
  .process-item{padding:1.5rem}
  .category-card{min-height:280px}
  .cta-section h2{font-size:1.5rem}
  .footer-bottom{text-align:center}
}
@media(max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .hero h1{font-size:1.65rem}
  .hero{padding:64px 0 48px}
  .hero-metrics{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:1rem}
  .stat-item{padding:1.5rem 1rem}
  .stat-item .stat-num{font-size:2rem}
  .section-title{font-size:1.45rem}
  .feature-card{padding:1.5rem}
  .brand{font-size:1.25rem}
  .brand .brand-icon{width:34px;height:34px;font-size:.9rem}
  .header-actions .btn{display:none}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .hero-actions .btn{width:100%;justify-content:center}
  .cta-actions{flex-direction:column;align-items:flex-start}
  .cta-actions .btn{width:100%;justify-content:center}
}

/* roulang page: category1 */
:root {
            --primary: #1e40af;
            --primary-light: #3b82f6;
            --primary-dark: #1e3a8a;
            --accent: #f59e0b;
            --accent-deep: #d97706;
            --dark-bg: #0f172a;
            --dark-surface: #1e293b;
            --light-bg: #f1f5f9;
            --white: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 4px 20px rgba(0, 0, 0, .06);
            --shadow-hover: 0 10px 36px rgba(0, 0, 0, .12);
            --shadow-primary: 0 8px 28px rgba(30, 64, 175, .28);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
            --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            --header-h: 118px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        ::selection {
            background: var(--primary);
            color: #fff;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-pad {
            padding: 90px 0;
        }
        .section-title-wrap {
            margin-bottom: 50px;
        }
        .section-sub {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(30, 64, 175, .08);
            padding: 6px 18px;
            border-radius: 40px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text);
            letter-spacing: -.02em;
            margin-bottom: 12px;
        }
        .section-title span {
            color: var(--primary);
        }
        .section-lead {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 620px;
        }

        /* ============= Header ============= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, .04);
        }
        .header-top {
            padding: 14px 0 0;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: var(--shadow-primary);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -.01em;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }
        .search-wrap {
            flex: 1;
            max-width: 420px;
            margin-left: 32px;
            position: relative;
        }
        .search-wrap .form-control {
            border-radius: 40px;
            padding: 10px 20px 10px 44px;
            border: 1px solid var(--border);
            background: var(--light-bg);
            font-size: 14px;
            transition: var(--transition);
        }
        .search-wrap .form-control:focus {
            background: #fff;
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
        }
        .search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .action-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            background: var(--light-bg);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .action-btn:hover {
            color: var(--primary);
            background: rgba(30, 64, 175, .08);
            border-color: rgba(30, 64, 175, .15);
            transform: translateY(-2px);
        }
        .main-nav {
            border-top: 1px solid rgba(226, 232, 240, .7);
            margin-top: 14px;
            background: #fff;
        }
        .main-nav .nav-list {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 0;
        }
        .main-nav .nav-list > li {
            margin-right: 2px;
        }
        .main-nav .nav-list > li > a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 14px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            border-bottom: 3px solid transparent;
            transition: var(--transition);
            position: relative;
        }
        .main-nav .nav-list > li > a i {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .main-nav .nav-list > li > a:hover {
            color: var(--primary);
            background: rgba(30, 64, 175, .04);
        }
        .main-nav .nav-list > li > a:hover i {
            color: var(--primary);
        }
        .main-nav .nav-list > li > a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 700;
        }
        .main-nav .nav-list > li > a.active i {
            color: var(--primary);
        }
        .hot-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
            padding: 0 20px;
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .hot-tags > span {
            font-weight: 600;
            margin-right: 4px;
        }
        .hot-tags a {
            padding: 4px 12px;
            border-radius: 30px;
            background: var(--light-bg);
            color: var(--text);
            font-size: 12px;
            font-weight: 500;
            transition: var(--transition);
        }
        .hot-tags a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .header-bottom-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        /* ============= Page Hero ============= */
        .page-hero {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, .92), rgba(30, 64, 175, .82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 560px;
            height: 560px;
            background: radial-gradient(circle, rgba(245, 158, 11, .18) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 20px;
        }
        .page-hero .breadcrumb-custom a {
            color: rgba(255, 255, 255, .75);
            transition: var(--transition);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .page-hero .breadcrumb-custom i {
            font-size: 12px;
            color: rgba(255, 255, 255, .45);
        }
        .page-hero h1 {
            font-size: 46px;
            font-weight: 800;
            letter-spacing: -.02em;
            margin-bottom: 14px;
            color: #fff;
        }
        .page-hero h1 span {
            color: var(--accent);
        }
        .page-hero .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, .82);
            max-width: 560px;
            line-height: 1.7;
        }
        .hero-badges {
            margin-top: 28px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-badge {
            padding: 8px 20px;
            border-radius: 40px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* ============= Stats ============= */
        .stats-section {
            background: var(--white);
            margin-top: -52px;
            position: relative;
            z-index: 5;
        }
        .stats-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stats-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(30, 64, 175, .2);
        }
        .stats-num {
            font-size: 38px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stats-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stats-icon {
            display: inline-flex;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            align-items: center;
            justify-content: center;
            background: rgba(30, 64, 175, .08);
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 14px;
        }

        /* ============= Category ============= */
        .cat-section {
            background: var(--light-bg);
        }
        .cat-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            position: relative;
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            overflow: hidden;
        }
        .cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .cat-card:hover::before {
            opacity: 1;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .cat-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            margin-bottom: 16px;
            box-shadow: var(--shadow-primary);
        }
        .cat-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cat-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .cat-count {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(30, 64, 175, .07);
            padding: 4px 14px;
            border-radius: 30px;
        }

        /* ============= Hot Events ============= */
        .hot-section {
            background: #fff;
        }
        .event-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .event-card .event-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .event-card .event-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .event-card:hover .event-cover img {
            transform: scale(1.06);
        }
        .event-card .event-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, .7), transparent 60%);
        }
        .event-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 4px 14px;
            border-radius: 30px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
        }
        .event-meta {
            position: absolute;
            bottom: 12px;
            left: 16px;
            z-index: 2;
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            opacity: .9;
        }
        .event-card .event-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .event-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .event-card .event-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex: 1;
        }
        .event-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .event-link i {
            transition: transform .3s ease;
        }
        .event-link:hover i {
            transform: translateX(4px);
        }

        /* ============= Focus Match ============= */
        .match-section {
            background: var(--dark-bg);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .match-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: .1;
        }
        .match-section .container {
            position: relative;
            z-index: 2;
        }
        .match-section .section-title {
            color: #fff;
        }
        .match-section .section-lead {
            color: rgba(255, 255, 255, .65);
        }
        .match-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .match-item {
            display: grid;
            grid-template-columns: 100px 80px 1fr 90px 1fr 90px;
            align-items: center;
            gap: 14px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius);
            padding: 16px 22px;
            transition: var(--transition);
        }
        .match-item:hover {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(245, 158, 11, .35);
            transform: translateY(-2px);
        }
        .match-league {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(245, 158, 11, .12);
            padding: 4px 12px;
            border-radius: 20px;
            text-align: center;
            white-space: nowrap;
        }
        .match-time {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            font-weight: 500;
            text-align: center;
        }
        .match-team {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            text-align: right;
        }
        .match-item .match-team:nth-of-type(3) {
            text-align: right;
        }
        .match-item .match-team:nth-of-type(4) {
            text-align: left;
        }
        .match-score {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            text-align: center;
            letter-spacing: .02em;
        }
        .match-status {
            text-align: center;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            white-space: nowrap;
        }
        .status-done {
            color: #94a3b8;
            background: rgba(148, 163, 184, .15);
        }
        .status-live {
            color: #f87171;
            background: rgba(248, 113, 113, .15);
            position: relative;
            padding-left: 22px;
        }
        .status-live::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #f87171;
            animation: pulse-dot 1.2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% {
                opacity: 1;
                transform: translateY(-50%) scale(1);
            }
            50% {
                opacity: .5;
                transform: translateY(-50%) scale(.7);
            }
        }
        .status-upcoming {
            color: #fbbf24;
            background: rgba(251, 191, 36, .1);
        }
        .match-cta {
            margin-top: 30px;
            text-align: center;
        }

        /* ============= Process ============= */
        .process-section {
            background: var(--light-bg);
        }
        .step-card {
            text-align: center;
            padding: 36px 24px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            position: relative;
            height: 100%;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 44px;
            font-weight: 800;
            color: rgba(30, 64, 175, .08);
            line-height: 1;
        }
        .step-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            margin-bottom: 20px;
            box-shadow: var(--shadow-primary);
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ============= FAQ ============= */
        .faq-section {
            background: #fff;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            background: #fff;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: rgba(30, 64, 175, .25);
            box-shadow: var(--shadow);
        }
        .faq-item .faq-q {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 18px;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }
        .faq-item .faq-q .faq-toggle {
            margin-left: auto;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--light-bg);
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-q .faq-toggle {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-item .faq-a {
            display: none;
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            margin: 0 24px;
            padding: 16px 0 20px;
        }
        .faq-item.active .faq-a {
            display: block;
        }

        /* ============= CTA ============= */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -50px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(245, 158, 11, .12);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-desc {
            color: rgba(255, 255, 255, .8);
            font-size: 16px;
            max-width: 600px;
            margin-bottom: 28px;
        }
        .btn-light-custom {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 14px 36px;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-light-custom:hover {
            background: var(--accent-deep);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(245, 158, 11, .35);
        }
        .btn-outline-white {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .4);
            color: #fff;
            border-radius: 50px;
            padding: 12px 32px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-white:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, .1);
            transform: translateY(-3px);
        }

        /* ============= Footer ============= */
        .site-footer {
            background: var(--dark-bg);
            color: #94a3b8;
            padding: 70px 0 0;
            font-size: 14px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }
        .site-footer .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            font-size: 16px;
        }
        .footer-desc {
            color: #94a3b8;
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 18px;
            max-width: 340px;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 12px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }
        .footer-links {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #94a3b8;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .footer-links a i {
            font-size: 12px;
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            margin-top: 50px;
            text-align: center;
            font-size: 13px;
            color: #64748b;
        }
        .footer-bottom a {
            color: #94a3b8;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ============= Buttons ============= */
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 14px 34px;
            font-size: 15px;
            font-weight: 700;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--shadow-primary);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(30, 64, 175, .35);
        }
        .btn-primary-custom:active {
            transform: translateY(-1px);
        }
        .btn-primary-custom:focus-visible,
        .btn-light-custom:focus-visible,
        .btn-outline-white:focus-visible {
            outline: 3px solid rgba(245, 158, 11, .5);
            outline-offset: 2px;
        }

        /* ============= Mobile Header Search ============= */
        .mobile-header {
            display: none;
        }

        /* ============= Responsive ============= */
        @media (max-width: 991.98px) {
            .search-wrap {
                max-width: 260px;
                margin-left: 16px;
            }
            .header-top .container {
                flex-wrap: wrap;
            }
            .hot-tags {
                display: none;
            }
            .match-item {
                grid-template-columns: 80px 60px 1fr 70px 1fr 70px;
                padding: 14px 16px;
                gap: 8px;
            }
            .match-team {
                font-size: 14px;
            }
            .section-title {
                font-size: 28px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 767.98px) {
            .section-pad {
                padding: 60px 0;
            }
            .header-top {
                padding-top: 12px;
            }
            .search-wrap {
                max-width: 100%;
                width: 100%;
                margin: 12px 0 0;
                order: 3;
            }
            .main-nav {
                margin-top: 12px;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .main-nav .nav-list {
                min-width: max-content;
            }
            .main-nav .nav-list > li > a {
                padding: 12px 16px;
                font-size: 14px;
            }
            .page-hero {
                padding: 56px 0;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 6px 14px;
            }
            .stats-section {
                margin-top: -30px;
            }
            .stats-card {
                margin-bottom: 14px;
                padding: 22px 16px;
            }
            .stats-num {
                font-size: 30px;
            }
            .section-title-wrap {
                margin-bottom: 32px;
            }
            .match-item {
                grid-template-columns: 60px 50px 1fr 60px 1fr;
                gap: 6px;
                padding: 12px 10px;
                font-size: 13px;
            }
            .match-league {
                font-size: 11px;
                grid-column: 1 / -1;
                text-align: center;
                justify-self: start;
            }
            .match-time {
                font-size: 12px;
            }
            .match-team {
                font-size: 13px;
            }
            .match-score {
                font-size: 16px;
            }
            .match-status {
                font-size: 11px;
                padding: 3px 10px;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-section {
                padding: 50px 0;
            }
            .footer-bottom {
                margin-top: 30px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-text {
                font-size: 17px;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .header-actions .action-btn:nth-child(2) {
                display: none;
            }
            .section-sub {
                font-size: 12px;
                padding: 5px 14px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-lead {
                font-size: 14px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .page-hero .hero-desc {
                font-size: 14px;
            }
            .hero-badges {
                gap: 6px;
            }
            .hero-badge {
                font-size: 11px;
                padding: 5px 10px;
            }
            .btn-primary-custom,
            .btn-light-custom,
            .btn-outline-white {
                padding: 12px 24px;
                font-size: 14px;
            }
            .cta-title {
                font-size: 22px;
            }
            .faq-item .faq-q {
                font-size: 14px;
                padding: 14px 16px;
                gap: 10px;
            }
            .faq-item .faq-a {
                font-size: 14px;
                margin: 0 16px;
                padding: 12px 0 16px;
            }
        }

        /* ============= Focus styles ============= */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
            --primary: #1a2b4a;
            --primary-dark: #12203a;
            --primary-light: #243b63;
            --accent: #f0b90b;
            --accent-hover: #d4a107;
            --accent-rgb: 240, 185, 11;
            --bg-body: #f5f7fa;
            --bg-white: #ffffff;
            --bg-light: #f0f3f7;
            --bg-dark: #0f1b2d;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(15, 23, 42, .08);
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, .05);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            border: 0;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1260px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ---------- Header ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(12px);
            box-shadow: 0 2px 24px rgba(15, 23, 42, .08);
        }
        .header-top {
            border-bottom: 1px solid var(--border);
        }
        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: .75rem 0;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), #f59e0b);
            color: #1a2b4a;
            border-radius: 12px;
            font-size: 1.1rem;
            box-shadow: 0 4px 14px rgba(240, 185, 11, .35);
        }
        .brand-name {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .02em;
            line-height: 1.2;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: .3rem .3rem .3rem 1rem;
            flex: 0 1 360px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .15);
            background: #fff;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: .9rem;
            color: var(--text-main);
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box button {
            border: none;
            background: var(--primary);
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .search-box button:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .nav-toggler {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--primary);
            font-size: 1.15rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggler:hover {
            border-color: var(--accent);
            color: var(--accent-hover);
        }

        /* ---------- Nav bar ---------- */
        .nav-bar {
            background: linear-gradient(90deg, var(--primary-dark), var(--primary) 45%, var(--primary-light));
            position: relative;
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 52px;
            gap: 1rem;
        }
        .nav-list {
            display: flex;
            gap: .35rem;
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-list li {
            display: inline-flex;
        }
        .nav-list a {
            padding: .55rem 1.05rem;
            border-radius: 8px;
            color: rgba(255, 255, 255, .85);
            font-weight: 500;
            font-size: .95rem;
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            position: relative;
            transition: var(--transition);
        }
        .nav-list a i {
            font-size: .9rem;
            opacity: .85;
        }
        .nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .nav-list a.active {
            color: var(--accent);
            background: rgba(var(--accent-rgb), .12);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 4px;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }
        .hot-tags {
            display: flex;
            align-items: center;
            gap: .4rem;
            font-size: .82rem;
            color: rgba(255, 255, 255, .55);
            flex-shrink: 0;
        }
        .hot-tags span {
            display: inline-flex;
            align-items: center;
        }
        .hot-tags a {
            color: rgba(255, 255, 255, .75);
            padding: .2rem .55rem;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, .15);
            font-size: .8rem;
            transition: var(--transition);
        }
        .hot-tags a:hover {
            color: var(--accent);
            border-color: var(--accent);
            background: rgba(var(--accent-rgb), .08);
        }

        /* ---------- Page banner ---------- */
        .page-banner {
            position: relative;
            padding: 5rem 0 4rem;
            background-size: cover;
            background-position: center;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(15, 27, 45, .92), rgba(26, 43, 74, .78) 50%, rgba(36, 59, 99, .68));
            z-index: 0;
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
        }
        .page-banner h1 {
            font-size: 2.1rem;
            font-weight: 800;
            color: #fff;
            margin: 0 auto .75rem;
            max-width: 900px;
            line-height: 1.35;
            overflow-wrap: break-word;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .25);
        }
        .page-banner .breadcrumb {
            justify-content: center;
            margin: 0;
            gap: .3rem;
        }
        .page-banner .breadcrumb-item {
            color: rgba(255, 255, 255, .7);
            font-size: .88rem;
        }
        .page-banner .breadcrumb-item a {
            color: rgba(255, 255, 255, .85);
        }
        .page-banner .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .page-banner .breadcrumb-item.active {
            color: var(--accent);
        }
        .page-banner .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, .4);
        }

        /* ---------- Article section ---------- */
        .article-section {
            padding: 3.5rem 0 4rem;
        }
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2.5rem 2.75rem;
            margin-bottom: 2rem;
        }
        .article-title {
            font-size: 1.75rem;
            font-weight: 800;
            line-height: 1.4;
            color: var(--primary);
            margin-bottom: 1.1rem;
            overflow-wrap: break-word;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            padding-bottom: 1.4rem;
            border-bottom: 1px solid var(--border);
            margin-bottom: 1.8rem;
            color: var(--text-muted);
            font-size: .88rem;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }
        .article-meta i {
            color: var(--accent);
        }

        .article-content {
            font-size: 1.02rem;
            line-height: 1.9;
            color: #334155;
        }
        .article-content p {
            margin-bottom: 1.4rem;
        }
        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem;
            padding-left: .95rem;
            border-left: 4px solid var(--accent);
            color: var(--primary);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.8rem 0 .8rem;
            color: var(--primary);
        }
        .article-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 1.4rem 0 .6rem;
            color: var(--primary);
        }
        .article-content img {
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            margin: 1.2rem 0;
        }
        .article-content blockquote {
            background: var(--bg-light);
            border-left: 4px solid var(--accent);
            padding: 1.1rem 1.4rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-content ul,
        .article-content ol {
            padding-left: 1.4rem;
            margin-bottom: 1.4rem;
        }
        .article-content li {
            margin-bottom: .45rem;
        }
        .article-content a {
            color: var(--accent-hover);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--primary);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: .7rem 1rem;
            text-align: left;
        }
        .article-content table th {
            background: var(--bg-light);
            font-weight: 600;
            color: var(--primary);
        }

        .article-tags-wrap {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: .5rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
        }
        .article-tags-wrap .tags-label {
            color: var(--text-muted);
            font-size: .88rem;
            margin-right: .3rem;
        }
        .tag {
            display: inline-block;
            padding: .3rem .8rem;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: .82rem;
            color: var(--text-main);
            transition: var(--transition);
        }
        .tag:hover {
            border-color: var(--accent);
            color: var(--accent-hover);
            background: rgba(var(--accent-rgb), .06);
        }

        /* ---------- Not found ---------- */
        .not-found {
            text-align: center;
            padding: 4rem 1.5rem;
        }
        .not-found .nf-icon {
            font-size: 3.5rem;
            color: var(--text-muted);
            opacity: .5;
            margin-bottom: 1rem;
        }
        .not-found h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: .5rem;
        }
        .not-found p {
            color: var(--text-muted);
            margin-bottom: 1.8rem;
        }

        /* ---------- Sidebar ---------- */
        .article-sidebar {
            position: sticky;
            top: 130px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 1.6rem 1.5rem;
            margin-bottom: 1.5rem;
        }
        .sidebar-card > h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1.1rem;
            padding-bottom: .7rem;
            border-bottom: 2px solid var(--bg-light);
            position: relative;
            display: flex;
            align-items: center;
            gap: .5rem;
        }
        .sidebar-card > h3::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 36px;
            height: 2px;
            background: var(--accent);
        }
        .sidebar-card > h3 i {
            color: var(--accent);
        }

        .category-wrap {
            display: flex;
            flex-direction: column;
            gap: .9rem;
        }
        .category-item {
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border);
            background: #fff;
            transition: var(--transition);
        }
        .category-item:hover {
            border-color: var(--accent);
            box-shadow: 0 6px 18px rgba(var(--accent-rgb), .12);
            transform: translateY(-2px);
        }
        .category-item .category-img {
            height: 110px;
            overflow: hidden;
        }
        .category-item .category-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .category-item:hover .category-img img {
            transform: scale(1.05);
        }
        .category-item a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: .75rem 1rem;
            color: var(--primary);
            font-weight: 600;
            font-size: .95rem;
        }
        .category-item a i {
            color: var(--accent);
            font-size: .88rem;
        }

        .side-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .side-list li {
            padding: .6rem 0;
            border-bottom: 1px dashed var(--border);
            font-size: .92rem;
        }
        .side-list li:last-child {
            border-bottom: none;
        }
        .side-list li a {
            color: var(--text-main);
            display: flex;
            gap: .5rem;
            align-items: baseline;
            transition: var(--transition);
        }
        .side-list li a::before {
            content: "\f054";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: .62rem;
            color: var(--accent);
            flex-shrink: 0;
            transform: translateY(1px);
        }
        .side-list li a:hover {
            color: var(--accent-hover);
            padding-left: 4px;
        }
        .side-list .text-muted {
            font-size: .88rem;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: .5rem;
        }
        .tag-cloud a {
            display: inline-block;
            padding: .3rem .75rem;
            background: var(--bg-light);
            border-radius: 30px;
            font-size: .82rem;
            color: var(--text-main);
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            background: rgba(var(--accent-rgb), .1);
            border-color: var(--accent);
            color: var(--accent-hover);
        }

        /* ---------- Related articles ---------- */
        .related-section {
            margin-top: 2rem;
        }
        .related-section .section-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: .5rem;
        }
        .related-section .section-title i {
            color: var(--accent);
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            padding: 1.25rem 1.3rem;
            border: 1px solid var(--border);
            height: 100%;
            transition: var(--transition);
            display: block;
        }
        .related-card:hover {
            border-color: var(--accent);
            box-shadow: 0 8px 24px rgba(15, 23, 42, .1);
            transform: translateY(-4px);
        }
        .related-cat {
            display: inline-block;
            font-size: .75rem;
            font-weight: 600;
            color: var(--accent-hover);
            background: rgba(var(--accent-rgb), .08);
            border-radius: 30px;
            padding: .15rem .6rem;
            margin-bottom: .6rem;
        }
        .related-card h4 {
            font-size: .98rem;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: .5rem;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .related-card h4 a {
            color: var(--text-main);
        }
        .related-card h4 a:hover {
            color: var(--accent-hover);
        }
        .related-date {
            font-size: .8rem;
            color: var(--text-muted);
        }

        /* ---------- CTA ---------- */
        .cta-section {
            position: relative;
            padding: 4rem 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 27, 45, .92), rgba(26, 43, 74, .85));
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 1.65rem;
            font-weight: 800;
            margin-bottom: .6rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .75);
            font-size: .98rem;
            max-width: 640px;
            margin: 0 auto 1.6rem;
        }
        .cta-buttons .btn {
            margin: 0 .35rem;
        }

        /* ---------- Buttons ---------- */
        .btn {
            border-radius: 50px;
            padding: .68rem 1.7rem;
            font-weight: 600;
            font-size: .95rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .45rem;
        }
        .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(var(--accent-rgb), .35);
        }
        .btn-outline-light-custom {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .7);
            color: #fff;
        }
        .btn-outline-light-custom:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, .2);
        }
        .btn:focus,
        .btn-primary:focus,
        .btn-outline-light-custom:focus {
            box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .3);
            outline: none;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--bg-dark);
            color: #94a3b8;
            padding: 3.5rem 0 0;
            font-size: .9rem;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: .9rem;
        }
        .footer-brand:hover {
            color: var(--accent);
        }
        .footer-desc {
            color: #94a3b8;
            line-height: 1.8;
            margin-bottom: 1.2rem;
            max-width: 380px;
        }
        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.1rem;
            position: relative;
            padding-bottom: .6rem;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: .55rem;
        }
        .footer-links a {
            color: #94a3b8;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .social-btn {
            border: 1px solid rgba(255, 255, 255, .25) !important;
            color: #cbd5e1 !important;
            border-radius: 50% !important;
            width: 38px;
            height: 38px;
            display: inline-flex !important;
            align-items: center;
            justify-content: center;
            padding: 0 !important;
            font-size: .88rem;
            transition: var(--transition) !important;
        }
        .social-btn:hover {
            border-color: var(--accent) !important;
            color: var(--accent) !important;
            background: rgba(var(--accent-rgb), .1) !important;
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 1.25rem 0;
            margin-top: 2.5rem;
            text-align: center;
            color: #64748b;
            font-size: .85rem;
        }
        .footer-bottom a {
            color: #64748b;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-bottom span {
            margin: 0 .3rem;
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 1024px) {
            .search-box {
                flex-basis: 280px;
            }
            .article-card {
                padding: 2rem 1.8rem;
            }
            .page-banner {
                padding: 4rem 0 3rem;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .hot-tags a:nth-child(n+5) {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .header-row {
                flex-wrap: wrap;
                padding: .6rem 0;
            }
            .brand-name {
                font-size: 1.15rem;
            }
            .search-box {
                order: 3;
                flex-basis: 100%;
                max-width: none;
            }
            .nav-toggler {
                display: inline-flex;
            }
            .nav-bar {
                position: absolute;
                left: 0;
                right: 0;
                top: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height .4s ease;
                box-shadow: 0 20px 30px rgba(15, 23, 42, .12);
            }
            .nav-bar.open {
                max-height: 480px;
                overflow-y: auto;
            }
            .main-nav {
                flex-direction: column;
                align-items: stretch;
                padding: .8rem 0;
            }
            .nav-list {
                flex-direction: column;
                gap: .25rem;
            }
            .nav-list a {
                padding: .6rem .8rem;
            }
            .hot-tags {
                justify-content: flex-start;
                margin-top: .8rem;
                padding-top: .8rem;
                border-top: 1px solid rgba(255, 255, 255, .1);
                flex-wrap: wrap;
            }
            .hot-tags a:nth-child(n+5) {
                display: inline-block;
            }
            .page-banner {
                padding: 3rem 0 2.2rem;
            }
            .page-banner h1 {
                font-size: 1.45rem;
            }
            .article-section {
                padding: 2rem 0 3rem;
            }
            .article-card {
                padding: 1.5rem 1.2rem;
            }
            .article-title {
                font-size: 1.4rem;
            }
            .article-sidebar {
                position: static;
                margin-top: 1rem;
            }
            .cta-section {
                padding: 3rem 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: .95rem;
                border-radius: 10px;
            }
            .brand-name {
                font-size: 1.05rem;
            }
            .page-banner {
                padding: 2.4rem 0 1.8rem;
            }
            .page-banner h1 {
                font-size: 1.25rem;
            }
            .page-banner .breadcrumb {
                font-size: .8rem;
            }
            .article-meta {
                flex-direction: column;
                gap: .4rem;
            }
            .article-content {
                font-size: .96rem;
            }
            .article-content h2 {
                font-size: 1.25rem;
            }
            .cta-buttons .btn {
                display: block;
                width: 100%;
                margin-bottom: .6rem;
            }
            .related-card h4 {
                font-size: .9rem;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #0b1f3a;
  --primary-light: #1e3a5f;
  --accent: #f97316;
  --accent-hover: #ea580c;
  --bg-light: #f8fafc;
  --bg-dark: #0b1f3a;
  --bg-dark-2: #0e2a4a;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 10px rgba(15,23,42,.05);
  --shadow-md: 0 4px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 12px 40px rgba(15,23,42,.12);
  --transition: all .3s cubic-bezier(.4,0,.2,1);
}
*, *::before, *::after { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; }
.container { max-width: 1280px; padding-left: 20px; padding-right: 20px; }

/* ========== 导航 ========== */
.site-header {
  background: rgba(11,31,58,.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  position: sticky;
  top: 0;
  z-index: 1050;
  box-shadow: 0 4px 30px rgba(0,0,0,.18);
}
.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: .5px;
  flex-shrink: 0;
}
.brand-logo .brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: #fff;
  box-shadow: 0 4px 12px rgba(249,115,22,.35);
}
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 6px 8px 6px 18px;
  max-width: 380px;
  width: 100%;
  transition: var(--transition);
}
.header-search:focus-within {
  background: rgba(255,255,255,.15);
  border-color: rgba(249,115,22,.5);
  box-shadow: 0 0 0 3px rgba(249,115,22,.15);
}
.header-search input {
  flex: 1;
  border: none;
  background: transparent;
  color: #e2e8f0;
  font-size: .9rem;
  outline: none;
  min-width: 0;
}
.header-search input::placeholder { color: rgba(226,232,240,.5); }
.header-search button {
  border: none;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  color: #fff;
  border-radius: 999px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  cursor: pointer;
  transition: var(--transition);
}
.header-search button:hover { transform: scale(1.06); box-shadow: 0 4px 12px rgba(249,115,22,.4); }
.nav-toggle {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  color: #fff;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.nav-toggle:hover { background: rgba(255,255,255,.2); }
.main-nav {
  background: rgba(255,255,255,.04);
  border-top: 1px solid rgba(255,255,255,.05);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 52px;
}
.main-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.main-nav .nav-list::-webkit-scrollbar { display: none; }
.main-nav .nav-list a {
  color: rgba(255,255,255,.7);
  font-size: .95rem;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  transition: var(--transition);
  position: relative;
}
.main-nav .nav-list a:hover {
  color: #fff;
  background: rgba(255,255,255,.08);
}
.main-nav .nav-list a.active {
  color: #fff;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  box-shadow: 0 4px 14px rgba(249,115,22,.35);
}
.main-nav .hot-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .82rem;
  color: rgba(255,255,255,.5);
  flex-shrink: 0;
}
.main-nav .hot-tags a {
  color: rgba(255,255,255,.55);
  font-size: .82rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.07);
  transition: var(--transition);
}
.main-nav .hot-tags a:hover {
  color: #f97316;
  background: rgba(255,255,255,.1);
  border-color: rgba(249,115,22,.3);
}
@media (max-width: 991px) {
  .site-header .header-inner { height: 60px; }
  .header-search { display: none; }
  .main-nav {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 20px;
    gap: 12px;
  }
  .main-nav .nav-list {
    flex-wrap: wrap;
    gap: 6px;
    width: 100%;
  }
  .main-nav .nav-list a {
    padding: 8px 14px;
    font-size: .9rem;
  }
  .main-nav .hot-tags {
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,.08);
  }
}

/* ========== Hero Banner ========== */
.hero-banner {
  position: relative;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 110px 0 90px;
  color: #fff;
  overflow: hidden;
}
.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(11,31,58,.95) 20%, rgba(11,31,58,.65) 55%, rgba(249,115,22,.25) 100%);
}
.hero-banner::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249,115,22,.3), transparent 70%);
  pointer-events: none;
}
.hero-banner .container { position: relative; z-index: 2; }
.hero-banner .badge-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: .85rem;
  color: #fff;
  backdrop-filter: blur(8px);
  margin-bottom: 22px;
}
.hero-banner h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.hero-banner h1 span {
  color: #f97316;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-banner .lead-text {
  font-size: 1.1rem;
  color: rgba(255,255,255,.85);
  max-width: 640px;
  margin-bottom: 30px;
  line-height: 1.7;
}
.hero-banner .btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 8px 24px rgba(249,115,22,.4);
  transition: var(--transition);
}
.hero-banner .btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(249,115,22,.5);
  color: #fff;
}
.hero-banner .btn-outline-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 999px;
  padding: 12px 28px;
  font-weight: 500;
  font-size: 1rem;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.hero-banner .btn-outline-hero:hover {
  background: rgba(255,255,255,.2);
  border-color: #fff;
  color: #fff;
}
.hero-banner .hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 50px;
  flex-wrap: wrap;
}
.hero-banner .hero-stats .stat-item {
  border-left: 3px solid rgba(249,115,22,.7);
  padding-left: 16px;
}
.hero-banner .hero-stats .stat-item .num {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
}
.hero-banner .hero-stats .stat-item .label {
  font-size: .85rem;
  color: rgba(255,255,255,.65);
}
@media (max-width: 991px) {
  .hero-banner { padding: 80px 0 60px; }
  .hero-banner h1 { font-size: 2.2rem; }
}
@media (max-width: 575px) {
  .hero-banner h1 { font-size: 1.7rem; }
  .hero-banner .lead-text { font-size: .96rem; }
  .hero-banner .btn-hero, .hero-banner .btn-outline-hero {
    padding: 10px 20px;
    font-size: .9rem;
    margin-bottom: 10px;
  }
  .hero-banner .hero-stats { gap: 20px; }
}

/* ========== 通用板块 ========== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #f97316;
  background: rgba(249,115,22,.1);
  border-radius: 999px;
  padding: 5px 16px;
  margin-bottom: 14px;
}
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 8px;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 0;
  max-width: 560px;
}
.section-header {
  margin-bottom: 40px;
  position: relative;
}
.section-header .section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #f97316, #fbbf24);
  border-radius: 999px;
  margin-top: 12px;
}
@media (max-width: 767px) {
  .section-title { font-size: 1.5rem; }
  .section-header { margin-bottom: 24px; }
}
.section-padding { padding: 90px 0; }
.section-padding-sm { padding: 60px 0; }
@media (max-width: 767px) {
  .section-padding { padding: 60px 0; }
}

/* ========== 子分类 ========== */
.sub-cats {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.sub-cats .cat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.sub-cats .cat-chips .chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-main);
  transition: var(--transition);
  cursor: pointer;
}
.sub-cats .cat-chips .chip:hover,
.sub-cats .cat-chips .chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(11,31,58,.2);
}
.sub-cats .cat-chips .chip i { font-size: .85rem; }

/* ========== 卡片网格 ========== */
.tutorial-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}
.tutorial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.tutorial-card .card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #e2e8f0;
}
.tutorial-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.tutorial-card:hover .card-media img { transform: scale(1.05); }
.tutorial-card .card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.35), transparent 50%);
}
.tutorial-card .card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  color: #fff;
  border-radius: 999px;
  padding: 4px 14px;
  font-size: .75rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(249,115,22,.3);
}
.tutorial-card .card-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.tutorial-card .card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 10px;
}
.tutorial-card .card-title a { color: inherit; }
.tutorial-card .card-title a:hover { color: #f97316; }
.tutorial-card .card-desc {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}
.tutorial-card .card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .82rem;
  color: var(--text-muted);
}
.tutorial-card .card-meta i { color: #f97316; margin-right: 4px; }
.tutorial-card .card-meta .duration {
  margin-left: auto;
  background: var(--bg-light);
  border-radius: 999px;
  padding: 3px 12px;
  font-weight: 500;
}
@media (max-width: 575px) {
  .tutorial-card .card-body { padding: 16px; }
  .tutorial-card .card-title { font-size: 1rem; }
}

/* ========== 热门排行 ========== */
.trending-section {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trending-list {
  counter-reset: trend;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.trending-item {
  counter-increment: trend;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.trending-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(249,115,22,.3);
}
.trending-item::before {
  content: counter(trend);
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(11,31,58,.08);
  font-family: Georgia, serif;
  min-width: 46px;
  text-align: center;
  transition: var(--transition);
}
.trending-item:hover::before {
  color: rgba(249,115,22,.3);
}
.trending-item .trend-info { flex: 1; }
.trending-item .trend-info h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.4;
}
.trending-item .trend-info h4 a:hover { color: #f97316; }
.trending-item .trend-info p {
  font-size: .83rem;
  color: var(--text-muted);
  margin-bottom: 0;
}
.trending-item .trend-num {
  font-size: .8rem;
  color: #f97316;
  background: rgba(249,115,22,.08);
  border-radius: 999px;
  padding: 4px 14px;
  font-weight: 600;
  white-space: nowrap;
}
@media (max-width: 991px) {
  .trending-list { grid-template-columns: 1fr; }
}
@media (max-width: 575px) {
  .trending-item { flex-direction: column; align-items: flex-start; gap: 10px; }
  .trending-item::before { font-size: 1.8rem; min-width: 36px; }
}

/* ========== 深色数据带 ========== */
.stats-band {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 90px 0;
  color: #fff;
  overflow: hidden;
}
.stats-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11,31,58,.97), rgba(11,31,58,.85) 50%, rgba(30,58,95,.75));
}
.stats-band .container { position: relative; z-index: 2; }
.stats-band .stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stats-band .stats-grid .stat-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 34px 20px;
  backdrop-filter: blur(6px);
  transition: var(--transition);
}
.stats-band .stats-grid .stat-card:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-4px);
  border-color: rgba(249,115,22,.4);
}
.stats-band .stats-grid .stat-card .icon {
  font-size: 1.8rem;
  color: #f97316;
  margin-bottom: 12px;
}
.stats-band .stats-grid .stat-card .num {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
}
.stats-band .stats-grid .stat-card .num span { font-size: 1.2rem; color: #f97316; }
.stats-band .stats-grid .stat-card .label {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  margin-top: 6px;
}
@media (max-width: 991px) {
  .stats-band .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .stats-band .stats-grid { gap: 16px; }
  .stats-band .stats-grid .stat-card { padding: 22px 14px; }
  .stats-band .stats-grid .stat-card .num { font-size: 1.6rem; }
}

/* ========== 训练流程 ========== */
.flow-section { background: #fff; }
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.flow-card {
  position: relative;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.flow-card:hover {
  background: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.flow-card .step-num {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 auto 18px;
  box-shadow: 0 6px 16px rgba(249,115,22,.35);
}
.flow-card .step-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.flow-card h5 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.flow-card p {
  font-size: .88rem;
  color: var(--text-muted);
  margin-bottom: 0;
}
.flow-card .arrow {
  position: absolute;
  top: 50%;
  right: -20px;
  transform: translateY(-50%);
  color: #f97316;
  font-size: 1.2rem;
  z-index: 2;
  background: #fff;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
@media (max-width: 991px) {
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-card .arrow { display: none; }
}
@media (max-width: 575px) {
  .flow-grid { grid-template-columns: 1fr; }
}

/* ========== FAQ ========== */
.faq-section { background: var(--bg-light); }
.faq-wrap { max-width: 850px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(249,115,22,.3); box-shadow: var(--shadow-sm); }
.faq-item .faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  background: #fff;
  border: none;
  text-align: left;
  width: 100%;
  gap: 16px;
  transition: var(--transition);
}
.faq-item .faq-q:hover { color: #f97316; }
.faq-item .faq-q .faq-toggle {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.active .faq-q .faq-toggle {
  background: #f97316;
  color: #fff;
  transform: rotate(45deg);
}
.faq-item .faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  font-size: .95rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.faq-item.active .faq-a {
  padding: 0 24px 22px;
  max-height: 400px;
}
@media (max-width: 575px) {
  .faq-item .faq-q { padding: 15px 18px; font-size: .95rem; }
  .faq-item .faq-a { font-size: .88rem; }
}

/* ========== CTA ========== */
.cta-band {
  position: relative;
  padding: 80px 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,31,58,.94), rgba(249,115,22,.4));
}
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-band p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.85);
  max-width: 560px;
  margin: 0 auto 30px;
}
.cta-band .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--primary);
  border: none;
  border-radius: 999px;
  padding: 14px 36px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
  transition: var(--transition);
}
.cta-band .btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,.25);
  color: #f97316;
}
@media (max-width: 575px) {
  .cta-band h2 { font-size: 1.5rem; }
  .cta-band p { font-size: .9rem; }
}

/* ========== 页脚 ========== */
.site-footer {
  background: #081526;
  color: #94a3b8;
  padding: 70px 0 0;
  font-size: .9rem;
}
.site-footer .footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.site-footer .footer-brand .brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
}
.site-footer .footer-desc {
  font-size: .88rem;
  line-height: 1.7;
  color: #64748b;
  margin-bottom: 20px;
  max-width: 340px;
}
.site-footer .footer-title {
  font-size: .95rem;
  font-weight: 700;
  color: #e2e8f0;
  margin-bottom: 18px;
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 10px;
}
.site-footer .footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 3px;
  background: linear-gradient(90deg, #f97316, #fbbf24);
  border-radius: 999px;
}
.site-footer .footer-links li {
  margin-bottom: 10px;
}
.site-footer .footer-links a {
  color: #64748b;
  font-size: .9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.site-footer .footer-links a:hover {
  color: #f97316;
  padding-left: 6px;
}
.site-footer .footer-links a i { font-size: .78rem; }
.site-footer .footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 22px 0;
  margin-top: 50px;
  text-align: center;
  color: #475569;
  font-size: .84rem;
}
.site-footer .footer-bottom a { color: #64748b; }
.site-footer .footer-bottom a:hover { color: #f97316; }
.site-footer .footer-bottom span { margin: 0 6px; color: #334155; }
@media (max-width: 767px) {
  .site-footer { padding-top: 50px; }
  .site-footer .footer-bottom { margin-top: 30px; }
}

/* ========== 内容区块 ========== */
.content-section {
  background: #fff;
}
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}
.content-grid .content-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.content-grid .content-media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.content-grid .content-media .play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background: rgba(249,115,22,.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 8px 30px rgba(249,115,22,.5);
  transition: var(--transition);
}
.content-grid .content-media .play-btn:hover { transform: translate(-50%, -50%) scale(1.1); }
.content-list { display: flex; flex-direction: column; gap: 16px; }
.content-list .list-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 18px 20px;
  border: 1px solid transparent;
  transition: var(--transition);
}
.content-list .list-item:hover {
  background: #fff;
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}
.content-list .list-item .item-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0b1f3a, #1e3a5f);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.content-list .list-item .item-text h5 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-main);
}
.content-list .list-item .item-text p {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}
@media (max-width: 991px) {
  .content-grid { grid-template-columns: 1fr; }
}

/* ========== 分页 ========== */
.pagination-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.pagination-bar .page-link {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 16px;
  font-size: .9rem;
  color: var(--text-main);
  background: #fff;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pagination-bar .page-link:hover {
  border-color: #f97316;
  color: #f97316;
}
.pagination-bar .page-link.active {
  background: linear-gradient(135deg, #f97316, #fbbf24);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(249,115,22,.3);
}

/* ========== 通用按钮 ========== */
.btn-brand {
  background: linear-gradient(135deg, #f97316, #fbbf24);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 10px 26px;
  font-weight: 600;
  font-size: .95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  cursor: pointer;
}
.btn-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249,115,22,.35);
  color: #fff;
}

/* Breadcrumb */
.breadcrumb-bar {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  font-size: .86rem;
}
.breadcrumb-bar a { color: var(--text-muted); }
.breadcrumb-bar a:hover { color: #f97316; }
.breadcrumb-bar i { font-size: .7rem; margin: 0 8px; color: #cbd5e1; }
.breadcrumb-bar .current { color: var(--primary); font-weight: 600; }

.my-4 { margin-top: 1.5rem !important; margin-bottom: 1.5rem !important; }