/* roulang page: index */
:root{
  --primary:#e4362f;
  --primary-dark:#bf1e28;
  --primary-light:#ff6a5c;
  --accent:#ffb82e;
  --accent-dark:#ed9e00;
  --dark:#141421;
  --ink:#202433;
  --muted:#707684;
  --line:#e8eaf0;
  --bg:#f6f7fa;
  --card:#ffffff;
  --radius:14px;
  --radius-lg:24px;
  --shadow-sm:0 6px 20px rgba(16,20,30,.06);
  --shadow-md:0 16px 42px rgba(16,20,30,.10);
  --shadow-lg:0 26px 68px rgba(16,20,30,.16);
  --container:1200px;
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:var(--radius);font-weight:700;font-size:15px;line-height:1;border:2px solid transparent;transition:all .25s ease;cursor:pointer;text-align:center}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 20px rgba(228,54,47,.25)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-3px);box-shadow:0 10px 28px rgba(228,54,47,.32)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.8)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}
.btn-accent{background:var(--accent);color:#17181f;box-shadow:0 8px 22px rgba(255,184,46,.3)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-3px)}
.btn-lg{padding:17px 40px;font-size:16px}
.section{padding:90px 0}
.section.bg-light{background:var(--bg)}
.section-head{max-width:780px;margin:0 auto 54px;text-align:center}
.section-tag{display:inline-block;padding:6px 18px;border-radius:var(--radius-full);background:rgba(228,54,47,.10);color:var(--primary);font-weight:700;font-size:14px;letter-spacing:.5px}
.section-head h2{font-size:38px;font-weight:800;margin:14px 0 14px;line-height:1.3;color:var(--dark)}
.section-head p{font-size:16px;color:var(--muted)}
.section-head .section-tag + h2{margin-top:18px}

/* 顶部信息条 */
.topbar{background:var(--dark);color:rgba(255,255,255,.78);font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:42px;gap:12px}
.topbar a{color:rgba(255,255,255,.9);transition:color .2s}
.topbar a:hover{color:var(--accent)}
.topbar-links{display:flex;align-items:center;gap:18px}
.topbar-links .divider{opacity:.3}
/* 主导航 */
.main-nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(16,20,30,.04)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:80px;gap:24px}
.logo{font-size:25px;font-weight:900;color:var(--dark);letter-spacing:-.5px;display:flex;align-items:center;gap:8px;white-space:nowrap}
.logo span{background:var(--primary);color:#fff;width:34px;height:34px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:18px}
.nav-menu{display:flex;align-items:center;gap:8px}
.nav-menu ul{display:flex;align-items:center;gap:4px}
.nav-menu ul a{display:block;padding:10px 18px;border-radius:10px;font-weight:600;font-size:15px;color:var(--ink);transition:all .2s}
.nav-menu ul a:hover{background:rgba(228,54,47,.07);color:var(--primary)}
.nav-menu ul a.active{background:var(--primary);color:#fff;box-shadow:0 5px 14px rgba(228,54,47,.22)}
.nav-cta{margin-left:10px;padding:11px 22px;font-size:14px;box-shadow:0 6px 16px rgba(228,54,47,.18)}
.nav-toggle{display:none;background:none;border:0;width:42px;height:42px;border-radius:10px;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:22px;height:2px;background:var(--dark);border-radius:2px;position:absolute;left:10px;transition:all .25s}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
.nav-toggle.active span{background:transparent}
.nav-toggle.active span::before{top:0;transform:rotate(45deg)}
.nav-toggle.active span::after{top:0;transform:rotate(-45deg)}

/* Hero */
.hero{position:relative;background-size:cover;background-position:center;padding:130px 0 140px;color:#fff;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(80deg,rgba(12,12,22,.86) 20%,rgba(12,12,22,.54) 55%,rgba(228,54,47,.28) 100%)}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:7px 18px;border-radius:40px;font-size:14px;font-weight:700;letter-spacing:1px;backdrop-filter:blur(8px)}
.hero h1{font-size:56px;line-height:1.16;font-weight:900;margin:24px 0 20px;letter-spacing:-1px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{font-size:18px;color:rgba(255,255,255,.85);max-width:620px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:rgba(255,255,255,.75)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
/* 数据条 */
.stats{background:var(--dark);padding:54px 0;border-bottom:3px solid var(--primary)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat-item strong{display:block;font-size:46px;font-weight:900;color:#fff;line-height:1.2;margin-bottom:6px}
.stat-item span{color:rgba(255,255,255,.6);font-size:14px;letter-spacing:.6px}
.stat-item strong::after{content:"";display:block;width:30px;height:4px;border-radius:4px;background:var(--accent);margin:12px auto 0}
/* 图文区块 */
.intro-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:70px;align-items:center}
.intro-media{position:relative}
.intro-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;object-fit:cover;height:460px}
.exp-badge{position:absolute;right:20px;bottom:20px;background:#fff;border-radius:16px;padding:16px 22px;box-shadow:var(--shadow-md);text-align:center}
.exp-badge strong{display:block;font-size:28px;color:var(--primary);font-weight:900;line-height:1.2}
.exp-badge span{font-size:13px;color:var(--muted)}
.intro-content .section-tag{margin-bottom:16px}
.intro-content h2{font-size:38px;line-height:1.3;font-weight:800;margin:14px 0 20px;color:var(--dark)}
.intro-content p{color:var(--muted);font-size:16px;margin-bottom:22px}
.check-list{margin-bottom:28px}
.check-list li{position:relative;padding:8px 0 8px 34px;font-size:15px;color:var(--ink)}
.check-list li::before{content:"✓";position:absolute;left:0;top:8px;width:22px;height:22px;border-radius:50%;background:rgba(228,54,47,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:13px}
/* 分类卡片 */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cat-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;border:1px solid var(--line);display:block}
.cat-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.cat-card img{width:100%;height:210px;object-fit:cover}
.cat-body{padding:26px}
.cat-body h3{font-size:21px;font-weight:800;margin-bottom:10px;color:var(--dark)}
.cat-body p{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:18px}
.cat-arrow{color:var(--primary);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.cat-card:hover .cat-arrow{gap:12px}
/* 功能卡片 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feat-card{background:#fff;border-radius:18px;padding:32px 28px;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:all .3s}
.feat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(228,54,47,.2)}
.feat-icon{display:inline-flex;width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,rgba(228,54,47,.12),rgba(255,184,46,.15));align-items:center;justify-content:center;font-size:30px;margin-bottom:18px}
.feat-card h3{font-size:18px;font-weight:800;margin-bottom:10px;color:var(--dark)}
.feat-card p{font-size:14px;color:var(--muted);line-height:1.7}
/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:1100px;margin:0 auto}
.news-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 28px;overflow:hidden;transition:all .3s;box-shadow:var(--shadow-sm)}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.news-card h3{font-size:18px;font-weight:800;line-height:1.5;margin-bottom:10px;color:var(--dark)}
.news-card h3 a{display:block}
.news-card h3 a:hover{color:var(--primary)}
.news-card p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;flex-wrap:wrap}
.news-meta span{background:rgba(228,54,47,.08);color:var(--primary);padding:3px 12px;border-radius:20px;font-weight:600}
.news-meta time::before{content:"🕒";margin-right:4px;opacity:.7}
.empty-tip{background:#fff;border:1px dashed var(--line);border-radius:18px;padding:60px;text-align:center;color:var(--muted);font-size:16px;max-width:700px;margin:0 auto}
/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.flow-item{position:relative;background:#fff;border-radius:20px;padding:40px 30px;border:1px solid var(--line);text-align:left;box-shadow:var(--shadow-sm);transition:all .3s}
.flow-item:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}
.flow-num{font-size:46px;font-weight:900;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1;display:block;margin-bottom:16px}
.flow-item h3{font-size:20px;font-weight:800;margin-bottom:10px;color:var(--dark)}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.7}
/* FAQ */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .3s}
.faq-item.active{box-shadow:var(--shadow-md)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;background:none;border:0;text-align:left;font-size:17px;font-weight:700;color:var(--dark);cursor:pointer;transition:color .2s}
.faq-q:hover{color:var(--primary)}
.faq-icon{flex-shrink:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(228,54,47,.08);color:var(--primary);font-size:18px;font-weight:900;transition:all .3s}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.active .faq-a{max-height:320px}
.faq-a p{padding:0 26px 22px;color:var(--muted);font-size:14px;line-height:1.8}
/* CTA */
.cta-section{position:relative;background-size:cover;background-position:center;color:#fff;text-align:center;padding:100px 0}
.cta-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,20,32,.92),rgba(228,54,47,.78))}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto}
.cta-inner h2{font-size:40px;font-weight:900;line-height:1.3;margin-bottom:18px}
.cta-inner p{font-size:17px;color:rgba(255,255,255,.9);margin-bottom:32px;line-height:1.7}
/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:42px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-logo{font-size:24px;font-weight:900;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.footer-logo span{background:var(--primary);color:#fff;width:30px;height:30px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:15px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(255,255,255,.65);font-size:14px;transition:all .2s}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding:24px 0;font-size:13px;color:rgba(255,255,255,.48)}
.footer-bottom a{color:rgba(255,255,255,.65)}
/* 响应式 */
@media (max-width:1024px){
  .intro-grid{grid-template-columns:1fr;gap:40px}
  .cat-grid,.feat-grid,.flow-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:46px}
  .nav-menu ul a{padding:9px 13px;font-size:14px}
  .nav-cta{display:none}
}
@media (max-width:768px){
  .nav-toggle{display:block}
  .nav-menu{position:fixed;top:42px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:20px 24px 28px;border-bottom:1px solid var(--line);box-shadow:0 16px 40px rgba(0,0,0,.12);transform:translateY(-120%);opacity:0;pointer-events:none;transition:all .3s;z-index:99}
  .nav-menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-menu ul{flex-direction:column;gap:6px;width:100%}
  .nav-menu ul a{padding:14px;text-align:center;font-size:16px}
  .nav-menu .nav-cta{display:flex;margin-left:0;margin-top:14px;justify-content:center}
  .hero{padding:95px 0 100px}
  .hero h1{font-size:36px}
  .hero p{font-size:16px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:65px 0}
  .section-head h2{font-size:30px}
  .cat-grid,.feat-grid,.flow-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:30px}
  .topbar-links{display:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:30px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .stats-grid{grid-template-columns:1fr 1fr;gap:22px}
  .stat-item strong{font-size:34px}
  .footer-bottom{flex-direction:column;text-align:center}
  .topbar-inner{justify-content:center}
  .topbar-text{font-size:12px}
}

/* roulang page: article */
:root {
            --primary: #0f1f3d;
            --primary-light: #1e3a6e;
            --accent: #f0a500;
            --accent-dark: #d49400;
            --text: #1e293b;
            --text-light: #6b7a8f;
            --bg: #f4f6fb;
            --white: #ffffff;
            --border: #e5e9f2;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(15, 31, 61, 0.08);
            --shadow-hover: 0 8px 30px rgba(15, 31, 61, 0.16);
            --container: 1200px;
            --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s;
        }

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

        ul,
        ol {
            list-style: none;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        input {
            font-family: inherit;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 11px 26px;
            border-radius: 50px;
            border: 2px solid transparent;
            transition: all 0.28s;
            line-height: 1.4;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary) !important;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(240, 165, 0, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-ghost {
            background: transparent;
            color: var(--primary);
            border-color: #c8d0e0;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            background: rgba(15, 31, 61, 0.05);
            transform: translateY(-2px);
        }

        .btn-light {
            background: #ffffff;
            color: var(--primary) !important;
            border-color: #ffffff;
        }
        .btn-light:hover {
            background: #f0f0f0;
            border-color: #f0f0f0;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }

        .btn-outline-light {
            background: transparent;
            color: #ffffff !important;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--white);
            box-shadow: 0 2px 12px rgba(15, 31, 61, 0.06);
        }

        .topbar {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
        }

        .topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 38px;
        }

        .topbar-text {
            color: rgba(255, 255, 255, 0.75);
        }

        .topbar-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .topbar-links a {
            color: #ffffff;
            font-weight: 500;
            transition: opacity 0.2s;
        }
        .topbar-links a:hover {
            opacity: 0.75;
        }

        .topbar-links .divider {
            color: rgba(255, 255, 255, 0.4);
        }

        .main-nav {
            border-bottom: 1px solid var(--border);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
        }

        .logo span {
            background: var(--accent);
            color: var(--primary);
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            font-weight: 900;
            transform: rotate(-6deg);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 0.3s;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }

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

        .nav-menu ul a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
        }

        .nav-menu ul a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width 0.3s;
        }

        .nav-menu ul a:hover {
            color: var(--primary);
        }
        .nav-menu ul a:hover::after {
            width: 100%;
        }

        .nav-menu ul a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-menu ul a.active::after {
            width: 100%;
        }

        .nav-cta {
            padding: 8px 22px;
            font-size: 13px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 22px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== Article Banner ===== */
        .article-banner {
            background: linear-gradient(135deg, rgba(15, 31, 61, 0.92), rgba(15, 31, 61, 0.72)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            padding: 64px 0 48px;
            color: #ffffff;
        }

        .banner-content {
            max-width: 820px;
        }

        .banner-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: 30px;
            margin-bottom: 16px;
        }

        .banner-content h1 {
            font-size: 34px;
            line-height: 1.35;
            font-weight: 800;
            margin-bottom: 14px;
            word-break: break-word;
        }

        .banner-meta {
            display: flex;
            gap: 22px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Article Section ===== */
        .article-section {
            padding: 48px 0 56px;
        }

        .article-main {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            max-width: 960px;
            margin: 0 auto;
        }

        .article-cover {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 32px;
        }

        .article-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius);
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: #2d394d;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin: 36px 0 14px;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }

        .article-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin: 30px 0 12px;
        }

        .article-content p {
            margin: 16px 0;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0;
            padding-left: 24px;
        }

        .article-content ul li,
        .article-content ol li {
            margin: 8px 0;
            position: relative;
        }

        .article-content ul li::before {
            content: "";
            position: absolute;
            left: -16px;
            top: 12px;
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: #f8f5ec;
            padding: 14px 20px;
            border-radius: 0 10px 10px 0;
            margin: 20px 0;
            color: #5c5a52;
            font-style: italic;
        }

        .article-content img {
            border-radius: 10px;
            margin: 20px 0;
            width: 100%;
            height: auto;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content table th {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
        }

        .article-footer {
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .article-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .tag {
            background: #eef1f7;
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 20px;
            transition: all 0.2s;
        }

        .tag:hover {
            background: var(--accent);
            color: var(--primary);
        }

        .article-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .article-actions .btn {
            padding: 9px 20px;
            font-size: 13px;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            max-width: 600px;
            margin: 40px auto;
            text-align: center;
            background: var(--white);
            border-radius: var(--radius);
            padding: 60px 40px;
            box-shadow: var(--shadow);
        }

        .not-found-box i {
            font-size: 48px;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .not-found-box h2 {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .not-found-box p {
            color: var(--text-light);
            margin-bottom: 24px;
        }

        /* ===== Section Header ===== */
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-sub {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-dark);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 6px;
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
        }

        .section-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s;
        }

        .section-more:hover {
            gap: 10px;
            color: var(--accent-dark);
        }

        /* ===== Related Section ===== */
        .related-section {
            background: #eef1f7;
            padding: 56px 0;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .cover-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s;
            height: 100%;
        }

        .cover-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }

        .cover-card a {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .card-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--primary-light);
        }

        .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .cover-card:hover .card-thumb img {
            transform: scale(1.05);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(240, 165, 0, 0.95);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        .card-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-body p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
            margin-bottom: 14px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-light);
        }

        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 60px 0;
            color: #ffffff;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1528;
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo span {
            background: var(--accent);
            color: var(--primary);
            width: 34px;
            height: 34px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }

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

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s;
        }

        .footer-col ul a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .topbar-text {
                display: none;
            }

            .topbar-inner {
                justify-content: center;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 0 16px;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            }

            .nav-menu.open {
                max-height: 400px;
                padding: 12px 16px 20px;
            }

            .nav-menu ul {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
            }

            .nav-menu ul a {
                padding: 12px 4px;
                border-bottom: 1px solid #f0f0f0;
                display: block;
            }

            .nav-menu ul a.active {
                color: var(--accent-dark);
            }

            .nav-menu ul a::after {
                display: none;
            }

            .nav-cta {
                margin-top: 14px;
                justify-content: center;
            }

            .banner-content h1 {
                font-size: 26px;
            }

            .article-banner {
                padding: 44px 0 34px;
            }

            .banner-meta {
                flex-wrap: wrap;
                gap: 12px;
            }

            .article-main {
                padding: 24px;
                border-radius: 12px;
            }

            .article-content {
                font-size: 15px;
            }

            .article-content h2 {
                font-size: 20px;
            }

            .article-footer {
                flex-direction: column;
                align-items: flex-start;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }

            .banner-content h1 {
                font-size: 22px;
            }

            .article-main {
                padding: 18px;
            }

            .article-tags {
                gap: 6px;
            }

            .btn {
                font-size: 13px;
                padding: 9px 18px;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .logo {
                font-size: 20px;
            }

            .logo span {
                width: 32px;
                height: 32px;
                font-size: 18px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0e1f3d;
  --primary-light: #1b2f52;
  --primary-dark: #081427;
  --accent: #e94560;
  --accent-dark: #d6334d;
  --accent-light: #ff6b81;
  --bg: #f5f7fa;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(2, 12, 27, 0.04);
  --shadow: 0 6px 24px rgba(2, 12, 27, 0.08);
  --shadow-hover: 0 16px 40px rgba(2, 12, 27, 0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1200px;
}

/* ===== 基础 Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-sm);
}
ul,
ol {
  list-style: none;
  padding: 0;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input,
textarea {
  font-family: inherit;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 90px 0;
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
  letter-spacing: -0.5px;
}
.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  margin-top: 12px;
}
.section-head .tagline {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(233, 69, 96, 0.08);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 10px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn i {
  font-size: 14px;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(233, 69, 96, 0.3);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}
.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-lg {
  padding: 16px 40px;
  font-size: 17px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
}
.topbar {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 42px;
}
.topbar-text {
  color: rgba(255, 255, 255, 0.8);
}
.topbar-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.topbar-links a {
  color: rgba(255, 255, 255, 0.85);
  transition: var(--transition);
}
.topbar-links a:hover {
  color: #fff;
}
.topbar-links .divider {
  color: rgba(255, 255, 255, 0.3);
  margin: 0 4px;
}
.main-nav {
  background: #fff;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}
.logo {
  display: inline-flex;
  align-items: center;
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}
.logo span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #fff;
  font-size: 20px;
  border-radius: 8px;
  margin-right: 8px;
  box-shadow: 0 4px 10px rgba(233, 69, 96, 0.3);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  left: 10px;
  transition: var(--transition);
}
.nav-toggle span {
  top: 19px;
}
.nav-toggle span::before {
  top: -7px;
}
.nav-toggle span::after {
  top: 7px;
}
.nav-toggle.is-active span {
  background: transparent;
}
.nav-toggle.is-active span::before {
  transform: rotate(45deg);
  top: 0;
}
.nav-toggle.is-active span::after {
  transform: rotate(-45deg);
  top: 0;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-menu ul {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-menu ul li a {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}
.nav-menu ul li a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
  transition: var(--transition);
}
.nav-menu ul li a:hover {
  color: var(--accent);
  background: rgba(233, 69, 96, 0.04);
}
.nav-menu ul li a.active {
  color: var(--accent);
  font-weight: 600;
}
.nav-menu ul li a.active::after {
  width: 20px;
}
.nav-cta {
  padding: 9px 22px;
  font-size: 14px;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  min-height: 460px;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 20, 39, 0.9) 0%, rgba(14, 31, 61, 0.75) 50%, rgba(233, 69, 96, 0.3) 100%);
}
.page-hero .container {
  position: relative;
  z-index: 2;
  padding-top: 60px;
  padding-bottom: 60px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: #fff;
}
.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.3);
}
.breadcrumb .current {
  color: #fff;
}
.page-hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}
.page-hero h1 .highlight {
  color: var(--accent-light);
}
.page-hero p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 30px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-badges {
  display: flex;
  gap: 10px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-badges span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
}
.hero-badges i {
  color: var(--accent-light);
}

/* ===== 分类标签 ===== */
.category-tabs {
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.tab-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.tab-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  border-radius: 50px;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
}
.tab-list a i {
  color: var(--accent);
  font-size: 14px;
}
.tab-list a:hover {
  border-color: var(--accent);
  background: rgba(233, 69, 96, 0.05);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ===== 新闻卡片 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.03);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
}
.news-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.news-card:hover .news-card-img img {
  transform: scale(1.05);
}
.news-card-category {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(233, 69, 96, 0.95);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}
.news-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.news-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.news-card-meta i {
  color: var(--accent);
}
.news-card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--text);
  transition: var(--transition);
}
.news-card h3 a {
  color: inherit;
}
.news-card h3 a:hover {
  color: var(--accent);
}
.news-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}
.news-card-footer {
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.news-card-footer .writer {
  font-size: 13px;
  color: var(--text-muted);
}
.news-card-footer .writer i {
  color: var(--accent);
}
.news-card-footer .more {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
}

/* ===== 赛程列表 ===== */
.schedule-section {
  background: var(--primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.schedule-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.2) 0%, transparent 70%);
}
.schedule-section .section-head h2 {
  color: #fff;
}
.schedule-section .section-head p {
  color: rgba(255, 255, 255, 0.6);
}
.schedule-section .section-head .tagline {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.schedule-list {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.schedule-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 22px 28px;
  margin-bottom: 14px;
  transition: var(--transition);
  backdrop-filter: blur(6px);
}
.schedule-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateX(6px);
}
.schedule-time {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 72px;
}
.schedule-time .hour {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
}
.schedule-time .date {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
}
.schedule-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(233, 69, 96, 0.2);
  color: var(--accent-light);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
  border: 1px solid rgba(233, 69, 96, 0.3);
}
.schedule-info {
  flex: 1;
}
.schedule-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}
.schedule-info p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.schedule-status {
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.schedule-status.live {
  background: rgba(233, 69, 96, 0.25);
  color: var(--accent-light);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(233, 69, 96, 0.4);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(233, 69, 96, 0);
  }
}

/* ===== 统计数字 ===== */
.stat-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.stat-section::before {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 260px;
  height: 260px;
  background: rgba(233, 69, 96, 0.15);
  border-radius: 50%;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 960px;
  margin: 0 auto;
}
.stat-card {
  text-align: center;
  padding: 24px 20px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: var(--transition);
}
.stat-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}
.stat-card .number {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--accent-light);
}
.stat-card .label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 8px;
}

/* ===== 深度专题 ===== */
.feature-section {
  background: #fff;
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.feature-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.feature-image:hover img {
  transform: scale(1.02);
}
.feature-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(14, 31, 61, 0.2) 100%);
  border-radius: var(--radius-lg);
}
.feature-content {
  padding: 20px 0;
}
.feature-content .tagline {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(233, 69, 96, 0.08);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
}
.feature-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 18px;
}
.feature-content p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 24px;
}
.feature-list {
  margin-bottom: 28px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 9px 0;
  font-size: 15px;
  color: var(--text);
}
.feature-list li i {
  color: var(--accent);
  margin-top: 5px;
  font-size: 14px;
  flex-shrink: 0;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(233, 69, 96, 0.25);
  box-shadow: var(--shadow-sm);
}
.faq-title {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  gap: 16px;
  transition: var(--transition);
}
.faq-title:hover {
  color: var(--accent);
}
.faq-title .icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(233, 69, 96, 0.08);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.is-open .faq-title .icon {
  background: var(--accent);
  color: #fff;
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 80px 0;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(14, 31, 61, 0.92) 0%, rgba(233, 69, 96, 0.75) 100%);
}
.cta-section .container {
  position: relative;
  z-index: 2;
}
.cta-section h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-phones {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-phones span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
}
.cta-phones i {
  color: var(--accent-light);
}

/* ===== Footer ===== */
.site-footer {
  background: #0a1628;
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.footer-logo span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: #fff;
  font-size: 18px;
  border-radius: 8px;
  margin-right: 8px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-col ul li {
  margin-bottom: 12px;
  font-size: 14px;
}
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }
  .nav-menu {
    gap: 18px;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .topbar-inner {
    flex-direction: column;
    gap: 4px;
    padding: 8px 20px;
  }
  .topbar-text {
    text-align: center;
  }
  .main-nav {
    position: relative;
  }
  .nav-toggle {
    display: block;
  }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 20px;
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    border-top: 1px solid var(--border);
  }
  .nav-menu.is-open {
    max-height: 500px;
    overflow-y: auto;
  }
  .nav-menu ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 0;
  }
  .nav-menu ul li a {
    padding: 12px 12px;
    border-radius: 8px;
  }
  .nav-menu ul li a::after {
    display: none;
  }
  .nav-menu ul li a.active {
    background: rgba(233, 69, 96, 0.06);
  }
  .nav-cta {
    margin: 12px 0 20px;
    justify-content: center;
  }
  .page-hero {
    min-height: 380px;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .page-hero p {
    font-size: 15px;
  }
  .category-tabs {
    overflow-x: auto;
  }
  .tab-list {
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding-bottom: 6px;
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .schedule-item {
    flex-wrap: wrap;
    gap: 12px;
    padding: 18px;
  }
  .schedule-info {
    width: calc(100% - 90px);
  }
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .stat-card .number {
    font-size: 32px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .feature-content h2 {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .cta-section h2 {
    font-size: 26px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .topbar-links {
    font-size: 12px;
    gap: 4px;
  }
  .page-hero h1 {
    font-size: 25px;
  }
  .hero-badges span {
    font-size: 12px;
    padding: 4px 10px;
  }
  .hero-actions .btn {
    padding: 10px 18px;
    font-size: 14px;
  }
  .schedule-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .schedule-info {
    width: 100%;
  }
  .schedule-status {
    align-self: flex-end;
  }
  .stat-card .number {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== 可访问性 ===== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(233, 69, 96, 0.4);
  outline-offset: 2px;
}

/* roulang page: category3 */
:root {
  --primary: #f97316;
  --primary-dark: #ea6a10;
  --primary-light: #fff3e8;
  --secondary: #1e3a5f;
  --secondary-light: #2b4f7d;
  --bg: #f6f8fb;
  --bg-white: #ffffff;
  --text-main: #1f2937;
  --text-body: #4b5563;
  --text-weak: #9ca3af;
  --border: #e5e7eb;
  --border-light: #f0f2f5;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 8px 24px rgba(0,0,0,.07);
  --shadow-lg: 0 16px 40px rgba(30,58,95,.12);
  --space-section: 90px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --transition: all .28s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-main); font-size: 16px; line-height: 1.7; color: var(--text-body); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; border: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; border: none; outline: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.section-header .eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--primary); background: var(--primary-light); border-radius: 999px; padding: 6px 18px; letter-spacing: .5px; margin-bottom: 16px; }
.section-header .eyebrow i { font-size: 14px; }
.section-header h2 { font-size: 34px; font-weight: 800; color: var(--secondary); line-height: 1.3; letter-spacing: -.5px; }
.section-header p { margin-top: 14px; font-size: 16px; color: var(--text-weak); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 28px; border-radius: var(--radius-md); font-weight: 600; font-size: 15px; line-height: 1.4; cursor: pointer; transition: var(--transition); border: 2px solid transparent; text-align: center; }
.btn i { font-size: 16px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(249,116,22,.32); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(249,116,22,.4); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(249,116,22,.3); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(249,116,22,.22); }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(30,58,95,.28); }
.btn-lg { padding: 16px 40px; font-size: 16px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 12px rgba(30,58,95,.08); background: #fff; }
.topbar { background: var(--secondary); color: rgba(255,255,255,.9); font-size: 13px; padding: 8px 0; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 16px; }
.topbar-text { display: flex; align-items: center; gap: 8px; }
.topbar-text i { color: var(--primary); font-size: 14px; }
.topbar-links { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.topbar-links a { opacity: .9; }
.topbar-links a:hover { color: var(--primary); opacity: 1; }
.topbar-links .divider { opacity: .3; }
.main-nav { border-bottom: 1px solid var(--border-light); background: #fff; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 24px; font-weight: 800; color: var(--secondary); letter-spacing: -0.5px; }
.logo span { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary), #fbbf24); border-radius: 12px; font-size: 24px; font-weight: 900; color: #fff; box-shadow: 0 6px 16px rgba(249,116,22,.3); }
.logo:hover span { transform: rotate(-8deg) scale(1.05); }
.nav-menu { display: flex; align-items: center; gap: 30px; }
.nav-menu ul { display: flex; align-items: center; gap: 6px; }
.nav-menu li a { display: block; padding: 10px 14px; font-size: 15px; font-weight: 600; color: var(--text-body); border-radius: var(--radius-sm); position: relative; transition: var(--transition); }
.nav-menu li a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 3px; background: var(--primary); border-radius: 4px; transform: scaleX(0); transform-origin: left; transition: var(--transition); }
.nav-menu li a:hover { color: var(--primary); background: var(--primary-light); }
.nav-menu li a.active { color: var(--primary); }
.nav-menu li a.active::after { transform: scaleX(1); }
.nav-cta { padding: 9px 22px; font-size: 14px; margin-left: 8px; }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: var(--radius-sm); position: relative; cursor: pointer; border: 1px solid var(--border); background: #fff; z-index: 20; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; display: block; width: 20px; height: 2px; background: var(--secondary); position: absolute; left: 10px; transition: var(--transition); border-radius: 2px; }
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { top: 0; transform: rotate(45deg); background: var(--primary); }
.nav-toggle.open span::after { top: 0; transform: rotate(-45deg); background: var(--primary); }

/* Sub-header content nav */
.subnav { background: var(--bg-white); border-bottom: 1px solid var(--border-light); padding: 14px 0; }
.subnav-inner { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.subnav a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--text-weak); padding: 8px 18px; border-radius: 999px; border: 1px solid var(--border); background: #fff; transition: var(--transition); }
.subnav a i { color: var(--primary); font-size: 13px; }
.subnav a:hover, .subnav a.active { color: var(--primary); border-color: var(--primary); background: var(--primary-light); box-shadow: 0 4px 12px rgba(249,116,22,.12); }

/* Hero */
.page-hero { position: relative; background: linear-gradient(rgba(30,58,95,.85), rgba(30,58,95,.92)), url(/assets/images/backpic/back-2.png) no-repeat center center / cover; color: #fff; padding: 90px 0 84px; text-align: center; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; top: -80px; right: -80px; width: 320px; height: 320px; background: radial-gradient(circle, rgba(249,116,22,.4), transparent 70%); border-radius: 50%; }
.page-hero::after { content: ""; position: absolute; bottom: -120px; left: -60px; width: 300px; height: 300px; background: radial-gradient(circle, rgba(249,116,22,.25), transparent 70%); border-radius: 50%; }
.hero-content { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.2); border-radius: 999px; padding: 8px 20px; font-size: 13px; font-weight: 500; margin-bottom: 22px; backdrop-filter: blur(6px); }
.hero-badge i { color: var(--primary); font-size: 14px; }
.page-hero h1 { font-size: 44px; font-weight: 900; line-height: 1.25; letter-spacing: -1px; margin-bottom: 20px; color: #fff; }
.page-hero h1 em { font-style: normal; color: #fbbf24; }
.page-hero p { font-size: 17px; color: rgba(255,255,255,.85); max-width: 560px; margin: 0 auto 30px; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-meta { position: relative; z-index: 2; display: flex; justify-content: center; gap: 38px; margin-top: 48px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.18); flex-wrap: wrap; }
.hero-meta-item { text-align: center; min-width: 110px; }
.hero-meta-item strong { display: block; font-size: 26px; font-weight: 800; color: #fff; }
.hero-meta-item span { font-size: 13px; color: rgba(255,255,255,.65); }

/* Breadcrumb */
.breadcrumb-bar { background: var(--bg-white); border-bottom: 1px solid var(--border-light); padding: 14px 0; font-size: 14px; }
.breadcrumb { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; color: var(--text-weak); }
.breadcrumb a { color: var(--text-weak); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 12px; color: var(--text-weak); }
.breadcrumb .current { color: var(--primary); font-weight: 600; }

/* Support services */
.support-services { background: var(--bg-white); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card { background: var(--bg); border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 36px 30px; text-align: center; transition: var(--transition); position: relative; overflow: hidden; }
.service-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--primary); opacity: 0; transition: var(--transition); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; background: var(--bg-white); }
.service-card:hover::before { opacity: 1; }
.service-icon { width: 72px; height: 72px; margin: 0 auto 24px; background: var(--primary-light); border-radius: 20px; display: flex; align-items: center; justify-content: center; font-size: 30px; color: var(--primary); transition: var(--transition); }
.service-card:hover .service-icon { background: var(--primary); color: #fff; transform: scale(1.06) rotate(-4deg); }
.service-card h3 { font-size: 20px; font-weight: 700; color: var(--secondary); margin-bottom: 14px; }
.service-card p { font-size: 14px; line-height: 1.8; color: var(--text-weak); }
.service-card .service-tag { display: inline-block; margin-top: 18px; font-size: 12px; font-weight: 600; color: var(--primary); background: var(--primary-light); border-radius: 999px; padding: 5px 16px; }
.service-card .service-action { display: inline-flex; align-items: center; gap: 6px; margin-top: 20px; font-size: 14px; font-weight: 700; color: var(--secondary); transition: var(--transition); }
.service-card .service-action i { font-size: 13px; transition: var(--transition); }
.service-card .service-action:hover { color: var(--primary); }
.service-card .service-action:hover i { transform: translateX(5px); }

/* Help topics */
.help-topics { background: var(--bg); }
.topics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.topic-card { background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 28px 24px; transition: var(--transition); position: relative; }
.topic-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); border-color: rgba(249,116,22,.3); }
.topic-icon { width: 50px; height: 50px; border-radius: 14px; background: var(--secondary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 18px; transition: var(--transition); }
.topic-card:hover .topic-icon { background: var(--primary); transform: rotate(-5deg) scale(1.05); }
.topic-card h4 { font-size: 17px; font-weight: 700; color: var(--secondary); margin-bottom: 8px; }
.topic-card p { font-size: 13px; color: var(--text-weak); line-height: 1.7; }
.topic-card .topic-link { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px; font-size: 13px; font-weight: 600; color: var(--primary); }
.topic-card .topic-link i { font-size: 12px; transition: var(--transition); }
.topic-card .topic-link:hover i { transform: translateX(4px); }

/* Support process */
.support-process { background: var(--bg-white); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.process-step { text-align: center; padding: 10px 4px; position: relative; }
.process-step .step-num { width: 48px; height: 48px; margin: 0 auto 18px; background: var(--secondary); color: #fff; font-size: 18px; font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center; position: relative; box-shadow: 0 6px 18px rgba(30,58,95,.25); transition: var(--transition); }
.process-step:hover .step-num { background: var(--primary); box-shadow: 0 8px 22px rgba(249,116,22,.32); transform: scale(1.08); }
.process-step h4 { font-size: 17px; font-weight: 700; color: var(--secondary); margin-bottom: 8px; }
.process-step p { font-size: 13px; color: var(--text-weak); line-height: 1.7; }
.process-step::after { content: ""; position: absolute; top: 34px; left: calc(50% + 40px); width: calc(100% - 80px); height: 2px; background: repeating-linear-gradient(90deg, var(--border) 0 8px, transparent 8px 16px); }
.process-step:last-child::after { display: none; }

/* Quick FAQ promo */
.support-promo { background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%); position: relative; overflow: hidden; }
.support-promo::before { content: ""; position: absolute; right: -100px; top: -100px; width: 320px; height: 320px; background: radial-gradient(circle, rgba(249,116,22,.3), transparent 70%); border-radius: 50%; }
.support-promo::after { content: ""; position: absolute; left: -60px; bottom: -120px; width: 260px; height: 260px; background: radial-gradient(circle, rgba(249,116,22,.2), transparent 70%); border-radius: 50%; }
.promo-wrap { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; position: relative; z-index: 2; }
.promo-content { color: #fff; flex: 1; min-width: 280px; }
.promo-content h3 { font-size: 28px; font-weight: 800; margin-bottom: 12px; line-height: 1.3; }
.promo-content p { color: rgba(255,255,255,.78); font-size: 15px; max-width: 460px; line-height: 1.8; }
.promo-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.promo-stat { text-align: center; min-width: 100px; }
.promo-stat strong { display: block; font-size: 30px; font-weight: 900; color: #fff; line-height: 1.3; }
.promo-stat span { font-size: 13px; color: rgba(255,255,255,.65); }
.promo-content .btn { font-size: 15px; }

/* FAQ */
.faq-section { background: var(--bg-white); }
.faq-wrap { max-width: 840px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border-light); border-radius: var(--radius-md); background: #fff; margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item summary { cursor: pointer; list-style: none; padding: 22px 28px; font-size: 16px; font-weight: 600; color: var(--secondary); display: flex; align-items: center; justify-content: space-between; gap: 20px; transition: var(--transition); position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "\f059"; font-family: "Font Awesome 6 Free"; font-weight: 400; font-size: 18px; color: var(--primary); margin-right: 14px; }
.faq-item summary .faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 14px; margin-left: auto; transition: var(--transition); flex-shrink: 0; }
.faq-item[open] summary { color: var(--primary); }
.faq-item[open] summary .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-item .faq-answer { padding: 0 28px 22px 60px; font-size: 14px; line-height: 1.9; color: var(--text-body); }

/* CTA */
.cta-section { background: var(--bg); }
.cta-card { background: linear-gradient(120deg, #fff6ed, #fffdfb 50%, #fef2e7); border: 1px solid #fde4ce; border-radius: var(--radius-lg); padding: 60px 50px; text-align: center; box-shadow: var(--shadow-md); position: relative; overflow: hidden; }
.cta-card::before { content: ""; position: absolute; top: -60px; right: -60px; width: 180px; height: 180px; background: radial-gradient(circle, rgba(249,116,22,.12), transparent 70%); border-radius: 50%; }
.cta-card h3 { font-size: 30px; font-weight: 800; color: var(--secondary); margin-bottom: 14px; }
.cta-card p { font-size: 16px; color: var(--text-body); max-width: 520px; margin: 0 auto 30px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-contact-row { display: flex; justify-content: center; gap: 30px; margin-top: 26px; flex-wrap: wrap; }
.cta-contact-row span { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-weak); }
.cta-contact-row i { color: var(--primary); font-size: 16px; }

/* Footer */
.site-footer { background: var(--secondary); color: rgba(255,255,255,.72); padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 18px; }
.footer-logo span { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: var(--primary); border-radius: 10px; font-size: 20px; font-weight: 900; color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.62); max-width: 320px; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 3px; background: var(--primary); border-radius: 4px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,.68); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul li a::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 700; font-size: 12px; color: var(--primary); opacity: .8; }
.footer-col ul li a:hover { color: var(--primary); padding-left: 4px; }
.footer-col ul li { font-size: 14px; color: rgba(255,255,255,.6); display: flex; align-items: center; gap: 8px; }
.footer-col ul li i { color: var(--primary); width: 18px; text-align: center; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding: 24px 0 26px; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.45); }

/* Back to top */
.back-top { position: fixed; bottom: 32px; right: 32px; width: 46px; height: 46px; background: var(--primary); color: #fff; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 18px; box-shadow: 0 8px 22px rgba(249,116,22,.38); cursor: pointer; z-index: 90; opacity: 0; visibility: hidden; transform: translateY(16px); transition: var(--transition); }
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--primary-dark); transform: translateY(-4px); }

/* Responsive */
@media (max-width: 1024px) {
  :root { --space-section: 70px; }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; }
  .process-step::after { display: none; }
  .service-grid { gap: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .page-hero h1 { font-size: 38px; }
}
@media (max-width: 768px) {
  :root { --space-section: 56px; }
  .container { padding: 0 18px; }
  .topbar-text { display: none; }
  .topbar-inner { justify-content: center; }
  .nav-inner { flex-wrap: wrap; min-height: 64px; padding: 10px 0; }
  .nav-toggle { display: block; }
  .nav-menu { position: fixed; top: 0; right: 0; bottom: 0; width: 300px; background: #fff; flex-direction: column; align-items: flex-start; gap: 0; padding: 80px 24px 30px; box-shadow: -12px 0 32px rgba(0,0,0,.12); transform: translateX(100%); transition: transform .35s ease; overflow-y: auto; }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu ul { flex-direction: column; width: 100%; align-items: stretch; gap: 4px; }
  .nav-menu li a { padding: 14px 16px; font-size: 16px; }
  .nav-menu li a::after { left: 16px; right: 16px; bottom: 6px; }
  .nav-menu li a.active { background: var(--primary-light); }
  .nav-cta { margin: 20px 0 0; width: 100%; }
  .page-hero { padding: 64px 0; }
  .page-hero h1 { font-size: 31px; }
  .page-hero p { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 320px; }
  .hero-meta { gap: 20px; margin-top: 36px; }
  .service-grid, .topics-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 26px; }
  .process-grid { grid-template-columns: 1fr; gap: 26px; }
  .process-step { max-width: 320px; margin: 0 auto; }
  .promo-wrap { flex-direction: column; text-align: center; }
  .promo-content p { margin: 0 auto; }
  .promo-stats { justify-content: center; }
  .faq-item summary { padding: 18px 20px; font-size: 15px; }
  .faq-item .faq-answer { padding: 0 20px 18px 50px; }
  .cta-card { padding: 44px 24px; }
  .cta-card h3 { font-size: 25px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .back-top { right: 16px; bottom: 16px; }
}
@media (max-width: 520px) {
  .topbar-links { font-size: 12px; }
  .page-hero h1 { font-size: 27px; }
  .section-header { margin-bottom: 36px; }
  .service-card { padding: 28px 20px; }
  .process-step { max-width: 260px; }
  .promo-stat strong { font-size: 24px; }
  .cta-contact-row { flex-direction: column; gap: 12px; }
  .faq-item summary::before { display: none; }
  .faq-item .faq-answer { padding: 0 18px 18px 18px; }
}
@media (max-width: 380px) {
  .container { padding: 0 14px; }
  .page-hero h1 { font-size: 23px; }
  .hero-badge { font-size: 12px; padding: 6px 14px; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #0d6b4c;
  --primary-dark: #08472f;
  --primary-light: #1a8a64;
  --accent: #f0a500;
  --accent-dark: #c98600;
  --bg: #f6f9f7;
  --bg-white: #ffffff;
  --bg-dark: #0c2b20;
  --text: #16271f;
  --text-muted: #5d7368;
  --border: #e3ebe6;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(6, 60, 40, 0.06);
  --shadow-md: 0 8px 26px rgba(6, 60, 40, 0.1);
  --shadow-lg: 0 18px 44px rgba(6, 60, 40, 0.14);
  --container: 1200px;
  --spacing: 28px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
/* ========== Reset ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .25s;
}
button {
  font-family: inherit;
  border: none;
  cursor: pointer;
}
input, textarea {
  font-family: inherit;
  outline: none;
}
ul, ol {
  list-style: none;
}
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  transition: all .25s ease;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(13, 107, 76, 0.28);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(13, 107, 76, 0.35);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--primary-dark);
}
.btn-light:hover {
  background: #eef7f2;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}
.btn-lg {
  padding: 16px 38px;
  font-size: 17px;
  border-radius: 999px;
}
/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-white);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
}
.topbar {
  background: var(--primary-dark);
  color: #e7f6ef;
  font-size: 13px;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
}
.topbar-links {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar-links a {
  color: #e7f6ef;
  opacity: .9;
}
.topbar-links a:hover {
  color: var(--accent);
  opacity: 1;
}
.divider {
  opacity: .4;
  margin: 0 2px;
}
.main-nav {
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}
.logo {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.logo span {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(13, 107, 76, 0.35);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: transparent;
  border-radius: 8px;
  position: relative;
  z-index: 101;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  left: 10px;
  transition: all .3s;
}
.nav-toggle span {
  top: 20px;
}
.nav-toggle span::before {
  top: -7px;
}
.nav-toggle span::after {
  top: 7px;
}
.nav-toggle.active span {
  background: transparent;
}
.nav-toggle.active span::before {
  top: 0;
  transform: rotate(45deg);
}
.nav-toggle.active span::after {
  top: 0;
  transform: rotate(-45deg);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-menu ul {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-menu ul a {
  font-weight: 500;
  font-size: 15px;
  color: var(--text);
  position: relative;
  padding: 8px 0;
}
.nav-menu ul a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
  transition: width .3s;
}
.nav-menu ul a:hover {
  color: var(--primary);
}
.nav-menu ul a.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-menu ul a.active::after {
  width: 100%;
}
.nav-cta {
  padding: 10px 22px;
  font-size: 14px;
}
/* ========== Hero ========== */
.category-hero {
  position: relative;
  padding: 90px 0 100px;
  background: linear-gradient(115deg, rgba(8, 44, 34, 0.94) 0%, rgba(13, 107, 76, 0.86) 55%, rgba(6, 90, 60, 0.72) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.category-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -160px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 165, 0, 0.35), transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 1px;
  margin-bottom: 26px;
}
.hero-badge i {
  color: var(--accent);
}
.category-hero h1 {
  font-size: 48px;
  line-height: 1.2;
  font-weight: 900;
  margin-bottom: 18px;
  letter-spacing: -1px;
}
.category-hero h1 .highlight {
  color: var(--accent);
}
.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 34px;
  max-width: 580px;
}
.hero-search {
  display: flex;
  max-width: 520px;
  background: #fff;
  border-radius: 999px;
  padding: 5px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
  margin-bottom: 26px;
}
.hero-search input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 20px;
  font-size: 15px;
  color: var(--text);
}
.hero-search input::placeholder {
  color: #a0b0a8;
}
.hero-search button {
  background: var(--accent);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 26px;
  font-size: 15px;
  font-weight: 600;
  transition: background .3s;
}
.hero-search button:hover {
  background: var(--accent-dark);
}
.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}
.hero-notes a {
  border-bottom: 1px dashed rgba(255, 255, 255, 0.4);
}
.hero-notes a:hover {
  color: var(--accent);
  border-color: var(--accent);
}
/* ========== Section 通用 ========== */
.section {
  padding: 84px 0;
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--primary);
  background: rgba(13, 107, 76, 0.08);
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.section-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}
.section-subtitle a {
  color: var(--primary);
  font-weight: 500;
}
/* ========== 百科分类卡片 ========== */
.category-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.category-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 34px 26px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
  display: block;
}
.category-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 .3s;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.category-card:hover::before {
  opacity: 1;
}
.card-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(13, 107, 76, 0.1), rgba(240, 165, 0, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 18px;
}
.category-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.category-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.card-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.card-more i {
  transition: transform .3s;
}
.category-card:hover .card-more i {
  transform: translateX(4px);
}
/* ========== 热门知识专题 ========== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.topic-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}
.topic-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.topic-pic {
  position: relative;
  height: 190px;
  overflow: hidden;
}
.topic-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.topic-card:hover .topic-pic img {
  transform: scale(1.05);
}
.topic-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background: var(--accent);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  z-index: 2;
}
.topic-body {
  padding: 22px 24px 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.topic-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.topic-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.topic-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-muted);
}
.topic-meta .read-more {
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}
.topic-meta .read-more i {
  font-size: 12px;
  transition: transform .3s;
}
.topic-meta .read-more:hover i {
  transform: translateX(4px);
}
/* ========== 数据统计 ========== */
.stats-section {
  background: linear-gradient(120deg, var(--bg-dark) 0%, #123c2d 100%);
  color: #fff;
  padding: 80px 0;
}
.stats-section .section-title {
  color: #fff;
}
.stats-section .section-tag {
  background: rgba(240, 165, 0, 0.2);
  color: var(--accent);
}
.stats-section .section-subtitle {
  color: rgba(255, 255, 255, 0.75);
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 20px;
}
.stat-item {
  text-align: center;
  padding: 36px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: all .3s;
}
.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}
.stat-num {
  font-size: 46px;
  font-weight: 900;
  line-height: 1.2;
  color: var(--accent);
  margin-bottom: 6px;
}
.stat-label {
  font-size: 15px;
  opacity: .82;
}
/* ========== 学习路径 ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}
.steps-grid::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: .25;
}
.step-item {
  position: relative;
  text-align: center;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 36px 22px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all .3s;
  z-index: 1;
}
.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step-num {
  width: 80px;
  height: 80px;
  line-height: 80px;
  border-radius: 50%;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 28px;
  font-weight: 900;
  box-shadow: 0 8px 20px rgba(13, 107, 76, 0.28);
}
.step-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
/* ========== FAQ ========== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 26px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  gap: 16px;
}
.faq-question i {
  color: var(--primary);
  transition: transform .35s;
  flex-shrink: 0;
}
.faq-item.open .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
  padding: 0 26px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}
.faq-item.open .faq-answer {
  max-height: 280px;
  padding: 0 26px 20px;
}
/* ========== CTA ========== */
.cta-section {
  padding: 90px 0;
  background: linear-gradient(120deg, rgba(8, 44, 34, 0.92), rgba(13, 107, 76, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}
.cta-box {
  max-width: 680px;
  margin: 0 auto;
}
.cta-box h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-box p {
  font-size: 16px;
  opacity: .85;
  margin-bottom: 34px;
  line-height: 1.7;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
/* ========== Footer ========== */
.site-footer {
  background: var(--bg-dark);
  color: #b5c9c0;
  font-size: 14px;
}
.container {
  padding: 0 24px;
}
.site-footer .container {
  max-width: var(--container);
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 70px 0 42px;
}
.footer-brand .footer-logo {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.footer-brand .footer-logo span {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: 900;
  color: #fff;
}
.footer-brand p {
  line-height: 1.7;
  color: #8aa598;
  max-width: 300px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: #9db8ab;
  transition: color .3s;
}
.footer-col ul a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #7d9b8e;
  font-size: 13px;
}
.footer-bottom p {
  text-align: center;
}
/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .category-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid::before {
    display: none;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .topbar-links {
    display: none;
  }
  .topbar-inner {
    justify-content: center;
  }
  .nav-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 108px;
    right: 0;
    width: 280px;
    height: calc(100vh - 108px);
    background: var(--bg-white);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 30px 28px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform .35s;
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
    overflow-y: auto;
    z-index: 99;
  }
  .nav-menu.active {
    transform: translateX(0);
  }
  .nav-menu ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    width: 100%;
  }
  .nav-menu ul a {
    font-size: 17px;
  }
  .nav-cta {
    width: 100%;
    margin-top: 10px;
  }
  .category-hero {
    padding: 60px 0 70px;
  }
  .category-hero h1 {
    font-size: 34px;
  }
  .hero-subtitle {
    font-size: 16px;
  }
  .hero-search {
    flex-direction: column;
    border-radius: 20px;
    padding: 8px;
  }
  .hero-search input {
    border-radius: 14px;
    padding: 12px 16px;
  }
  .hero-search button {
    border-radius: 14px;
    margin-top: 8px;
    width: 100%;
  }
  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 26px;
  }
  .topic-pic {
    height: 170px;
  }
}
@media (max-width: 520px) {
  .category-card-grid,
  .topic-grid,
  .stats-row,
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 50px 0 30px;
  }
  .category-hero h1 {
    font-size: 28px;
  }
  .hero-notes {
    flex-direction: column;
    gap: 8px;
  }
  .cta-btns {
    flex-direction: column;
  }
  .cta-btns .btn {
    width: 100%;
  }
  .logo {
    font-size: 22px;
  }
  .logo span {
    width: 36px;
    height: 36px;
    font-size: 18px;
    border-radius: 8px;
  }
  .stat-num {
    font-size: 36px;
  }
  .container {
    padding: 0 18px;
  }
  .topic-body {
    padding: 18px 18px 12px;
  }
  .faq-question {
    padding: 16px 18px;
    font-size: 15px;
  }
  .faq-answer {
    padding: 0 18px;
  }
  .faq-item.open .faq-answer {
    padding: 0 18px 16px;
  }
}