/* roulang page: index */
:root{
    --brand:#1d4ed8;
    --brand-dark:#1e40af;
    --brand-soft:#e8efff;
    --accent:#0ea5e9;
    --ink:#0f172a;
    --muted:#5b6b86;
    --line:#e3e9f4;
    --bg:#f5f8ff;
    --card:#ffffff;
    --radius:14px;
    --shadow-sm:0 1px 2px rgba(15,23,42,.05),0 2px 8px rgba(29,78,216,.07);
    --shadow-md:0 8px 24px rgba(29,78,216,.12);
    --shadow-lg:0 20px 44px rgba(15,23,42,.14);
  }
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body.page-body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.75;
    padding-bottom:78px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit}
  button{font-family:inherit}
  :focus-visible{outline:3px solid rgba(29,78,216,.38);outline-offset:2px;border-radius:6px}
  .wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}

  /* 顶部导航 */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(255,255,255,.94);
    backdrop-filter:saturate(160%) blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,23,42,.08)}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
  .logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;
    background:linear-gradient(135deg,var(--brand),var(--accent));
    display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
    box-shadow:0 6px 14px rgba(29,78,216,.28);
  }
  .logo-text{font-size:16.5px;font-weight:800;letter-spacing:-.2px;color:var(--ink);white-space:nowrap}
  .nav-links{display:flex;align-items:center;gap:4px}
  .nav-links a{
    padding:8px 12px;border-radius:9px;font-size:14.5px;font-weight:500;
    color:var(--muted);text-decoration:none;transition:.2s;white-space:nowrap;
  }
  .nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
  .nav-links a.active{color:var(--brand);background:var(--brand-soft);font-weight:700}
  .nav-right{display:flex;align-items:center;gap:10px}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
    background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  }
  .nav-toggle svg{width:20px;height:20px}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;border-radius:9px;
    font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;
    cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(29,78,216,.26)}
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(29,78,216,.32)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;color:var(--brand);border-color:#c7d8f7}
  .btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
  .btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:8px}

  /* Hero */
  .hero{position:relative;overflow:hidden;padding:66px 0 74px}
  .hero::before{
    content:"";position:absolute;inset:0;
    background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    opacity:.16;z-index:0;
  }
  .hero::after{
    content:"";position:absolute;inset:0;z-index:1;
    background:linear-gradient(180deg,rgba(245,248,255,.72) 0%,rgba(245,248,255,.92) 62%,var(--bg) 100%);
  }
  .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
  .hero-kicker{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    background:#fff;border:1px solid #d7e3fa;color:var(--brand);
    font-size:13px;font-weight:700;letter-spacing:.04em;box-shadow:var(--shadow-sm);
  }
  .hero-kicker span.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
  .hero-title{
    font-size:40px;line-height:1.28;letter-spacing:-1px;font-weight:800;
    margin:20px 0 14px;color:var(--ink);
  }
  .hero-title em{font-style:normal;color:var(--brand)}
  .hero-sub{font-size:16.5px;color:#3c4a63;font-weight:600;margin:0 0 16px}
  .hero-text{font-size:15.5px;color:var(--muted);margin:0 0 26px;line-height:1.85}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px}
  .tag{
    display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
    background:#fff;border:1px solid var(--line);color:#3c4a63;font-size:13px;font-weight:600;
  }
  .tag-accent{background:var(--brand-soft);border-color:#cfdffb;color:var(--brand)}

  /* 券面 */
  .voucher{
    position:relative;background:#fff;border:1px solid var(--line);
    border-radius:20px;box-shadow:var(--shadow-lg);overflow:hidden;
  }
  .voucher-top{
    position:relative;overflow:hidden;
    background:linear-gradient(135deg,#1d4ed8 0%,#2563eb 48%,#0ea5e9 100%);
    color:#fff;padding:24px 26px 22px;
  }
  .voucher-top::after{
    content:"";position:absolute;right:-38px;top:-46px;width:150px;height:150px;border-radius:50%;
    background:rgba(255,255,255,.14);
  }
  .voucher-label{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;opacity:.86;font-weight:700}
  .voucher-value{display:flex;align-items:baseline;gap:8px;margin-top:8px}
  .voucher-value strong{font-size:46px;line-height:1;font-weight:800;letter-spacing:-1.5px}
  .voucher-value span{font-size:15px;font-weight:700;opacity:.92}
  .voucher-sub{font-size:13.5px;opacity:.9;margin-top:10px}
  .voucher-body{padding:22px 26px 24px}
  .voucher-list{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:10px}
  .voucher-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#33415c}
  .voucher-list li i{
    width:18px;height:18px;border-radius:6px;background:var(--brand-soft);color:var(--brand);
    display:grid;place-items:center;font-style:normal;font-size:11px;font-weight:800;flex:0 0 auto;
  }
  .voucher-body .btn{width:100%}
  .voucher-note{font-size:12.5px;color:#8492a9;margin:12px 0 0;text-align:center}

  /* 板块 */
  .section{padding:72px 0}
  .section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-head{max-width:780px;margin-bottom:38px}
  .section-kicker{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
    color:var(--brand);letter-spacing:.1em;
  }
  .section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand)}
  .section-head h2{font-size:29px;line-height:1.36;letter-spacing:-.6px;margin:14px 0 10px;font-weight:800}
  .section-head p{color:var(--muted);font-size:15.5px;margin:0}

  /* 数据条 */
  .stats{
    display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
    background:var(--line);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow-sm);
  }
  .stat{background:#fff;padding:24px 22px;text-align:center}
  .stat-value{font-size:27px;font-weight:800;color:var(--brand);letter-spacing:-.8px;line-height:1.2}
  .stat-label{font-size:13.5px;color:var(--muted);margin-top:6px}

  /* 网格 */
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

  /* 卡片 */
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-sm);overflow:hidden;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    display:flex;flex-direction:column;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
  .card-media{width:100%;aspect-ratio:16/10;object-fit:cover;background:#dbe6f8}
  .card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
  .card-title{font-size:16.5px;font-weight:800;margin:0;line-height:1.45;letter-spacing:-.2px}
  .card-text{font-size:14px;color:var(--muted);margin:0;line-height:1.72}
  .card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
  .card-tags .tag{font-size:12px;padding:3px 10px}

  /* 卖点 */
  .feature{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 24px;box-shadow:var(--shadow-sm);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
  .feature-icon{
    width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
    background:var(--brand-soft);color:var(--brand);margin-bottom:16px;
  }
  .feature-icon svg{width:22px;height:22px}
  .feature h3{font-size:17px;font-weight:800;margin:0 0 8px}
  .feature p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}

  /* 横向轨道 */
  .rail{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 16px;scroll-snap-type:x mandatory}
  .rail::-webkit-scrollbar{height:6px}
  .rail::-webkit-scrollbar-thumb{background:#c7d8f7;border-radius:99px}
  .rail > *{flex:0 0 292px;scroll-snap-align:start}

  /* 热播推荐 */
  .spot-main{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);min-height:320px;display:flex;align-items:flex-end}
  .spot-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .spot-overlay{position:relative;z-index:2;padding:28px;color:#fff;width:100%;background:linear-gradient(180deg,rgba(9,20,48,0) 20%,rgba(9,20,48,.86) 100%)}
  .spot-overlay h3{font-size:21px;font-weight:800;margin:0 0 8px}
  .spot-overlay p{font-size:14px;margin:0 0 14px;color:#dbe6fb;line-height:1.7}
  .spot-side{display:grid;gap:20px}

  /* 类型入口 */
  .type-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .type-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
  .type-card h3{font-size:15.5px;font-weight:800;margin:0 0 8px;display:flex;align-items:center;gap:8px}
  .type-card h3 span{
    width:22px;height:22px;border-radius:7px;background:var(--brand-soft);color:var(--brand);
    font-size:11px;font-weight:800;display:grid;place-items:center;flex:0 0 auto;
  }
  .type-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7}

  /* 分类入口卡 */
  .channel-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;
    box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
  .channel-card .card-media{aspect-ratio:16/9}
  .channel-card .card-body{padding:20px}
  .channel-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:800;color:var(--brand);margin-top:12px}

  /* 专题 */
  .topic-card{
    display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
  .topic-num{
    width:38px;height:38px;border-radius:11px;flex:0 0 auto;
    background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;
    display:grid;place-items:center;font-weight:800;font-size:14px;
  }
  .topic-card h3{font-size:15.5px;font-weight:800;margin:0 0 6px}
  .topic-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7}

  /* 评分榜 */
  .rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
  .rank-row{display:grid;grid-template-columns:56px 1.4fr 1fr 74px;align-items:center;gap:16px;padding:18px 24px;border-bottom:1px solid var(--line);transition:background .2s ease}
  .rank-row:last-child{border-bottom:none}
  .rank-row:hover{background:#f7faff}
  .rank-no{font-size:18px;font-weight:800;color:#b6c6e2}
  .rank-row:nth-child(1) .rank-no{color:var(--brand)}
  .rank-name{font-size:15px;font-weight:700}
  .rank-name small{display:block;font-size:12.5px;color:var(--muted);font-weight:500;margin-top:2px}
  .rank-bar{height:8px;border-radius:99px;background:#eaf0fb;overflow:hidden}
  .rank-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#2563eb,#0ea5e9)}
  .rank-score{font-size:15px;font-weight:800;color:var(--brand);text-align:right}

  /* 步骤 */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
  .step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px 24px;box-shadow:var(--shadow-sm)}
  .step-num{
    width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
    display:grid;place-items:center;font-weight:800;font-size:16px;margin-bottom:16px;
  }
  .step h3{font-size:16.5px;font-weight:800;margin:0 0 8px}
  .step p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}

  /* 对比 */
  .compare{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
  .compare-table{width:100%;border-collapse:collapse;font-size:14.5px}
  .compare-table th,.compare-table td{padding:16px 22px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
  .compare-table thead th{background:#f3f7ff;font-size:13.5px;font-weight:800;color:#33415c;letter-spacing:.02em}
  .compare-table tbody tr:last-child td{border-bottom:none}
  .compare-table td:first-child{font-weight:700;width:22%}
  .compare-table td.good{color:#1652c6}
  .compare-table td.weak{color:#8492a9}
  .compare-table tbody tr:hover{background:#f9fbff}

  /* 评价 */
  .quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;transition:transform .2s ease,box-shadow .2s ease}
  .quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
  .quote-stars{color:#f0a020;font-size:13px;letter-spacing:2px}
  .quote-text{font-size:14.5px;color:#28374f;margin:0;line-height:1.78}
  .quote-author{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:auto}
  .quote-avatar{width:32px;height:32px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:13px}

  /* 安全审计 */
  .check-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  .check-item{display:flex;align-items:flex-start;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;box-shadow:var(--shadow-sm)}
  .check-item i{
    width:22px;height:22px;border-radius:7px;background:#e4f4ea;color:#15803d;
    display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800;flex:0 0 auto;margin-top:2px;
  }
  .check-item strong{display:block;font-size:14.5px;margin-bottom:4px}
  .check-item span{font-size:13.5px;color:var(--muted);line-height:1.65}

  /* 资讯 */
  .news-grid{display:grid;grid-template-columns:1.55fr .95fr;gap:32px;align-items:start}
  .news-list{display:grid;gap:16px}
  .news-item{
    display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:12px;
    padding:18px 20px;text-decoration:none;color:inherit;box-shadow:var(--shadow-sm);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
  .news-index{
    width:38px;height:38px;border-radius:10px;background:var(--brand-soft);color:var(--brand);
    display:grid;place-items:center;font-weight:800;font-size:13px;flex:0 0 auto;
  }
  .news-item h3{font-size:15.5px;font-weight:800;margin:0 0 6px;line-height:1.5}
  .news-item p{font-size:13.5px;color:var(--muted);margin:0 0 8px;line-height:1.7}
  .news-meta{display:flex;gap:12px;font-size:12.5px;color:#8492a9}
  .news-meta b{color:var(--brand);font-weight:700}
  .news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
  .news-side h3{font-size:15px;font-weight:800;margin:0 0 14px;display:flex;align-items:center;gap:8px}
  .news-side h3::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--brand)}
  .side-link{display:block;padding:11px 0;border-bottom:1px dashed var(--line);text-decoration:none;color:#33415c;font-size:13.5px;line-height:1.6;transition:color .2s ease}
  .side-link:last-child{border-bottom:none}
  .side-link:hover{color:var(--brand)}
  .side-link time{display:block;font-size:12px;color:#9aa8bd;margin-top:4px}
  .news-empty{background:#fff;border:1px dashed #c7d8f7;border-radius:12px;padding:28px;text-align:center;color:var(--muted);font-size:14px}

  /* FAQ */
  .faq{display:grid;gap:14px;max-width:900px}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
  .faq-item[open]{border-color:#c7d8f7;box-shadow:var(--shadow-md)}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:19px 22px;font-size:15.5px;font-weight:700;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";font-size:20px;color:var(--brand);font-weight:700;line-height:1;flex:0 0 auto;
    transition:transform .2s ease;
  }
  .faq-item[open] summary::after{transform:rotate(45deg)}
  .faq-a{padding:0 22px 21px;font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}

  /* 收口 CTA */
  .cta-band{
    position:relative;overflow:hidden;border-radius:20px;
    background:linear-gradient(130deg,#15327f 0%,#1d4ed8 52%,#0e7fc4 100%);
    color:#fff;padding:52px 48px;box-shadow:var(--shadow-lg);
  }
  .cta-band::after{
    content:"";position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;border-radius:50%;
    background:rgba(255,255,255,.10);
  }
  .cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
  .cta-inner h2{font-size:28px;font-weight:800;margin:0 0 10px;letter-spacing:-.6px}
  .cta-inner p{margin:0;font-size:15px;color:#d5e3fb;max-width:640px;line-height:1.75}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
  .btn-light{background:#fff;color:var(--brand);box-shadow:0 8px 20px rgba(3,14,45,.25)}
  .btn-light:hover{background:#eef4ff;transform:translateY(-2px)}
  .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
  .btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}

  /* 页脚 */
  .site-footer{background:#0d1b33;color:#c5d3e8;margin-top:0;padding:56px 0 0}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .footer-brand .logo-mark{box-shadow:none}
  .footer-brand strong{color:#fff;font-size:16px;font-weight:800}
  .footer-desc{font-size:13.5px;color:#93a6c2;line-height:1.8;margin:0 0 14px;max-width:380px}
  .footer-title{font-size:14px;font-weight:800;color:#fff;margin:0 0 16px;letter-spacing:.04em}
  .footer-list{list-style:none;margin:0;padding:0;display:grid;gap:11px}
  .footer-list a{font-size:13.5px;color:#a9bbd4;text-decoration:none;transition:color .2s ease}
  .footer-list a:hover{color:#fff}
  .footer-bottom{padding:20px 0 26px;font-size:13px;color:#8296b4;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
  .footer-bottom a{color:#a9bbd4;text-decoration:none}
  .footer-bottom a:hover{color:#fff}

  /* 底部固定条 */
  .sticky-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:90;
    background:rgba(255,255,255,.97);border-top:1px solid var(--line);
    box-shadow:0 -8px 24px rgba(15,23,42,.10);
    backdrop-filter:blur(10px);
  }
  .sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
  .sticky-text{font-size:14px;color:#33415c;font-weight:600}
  .sticky-text b{color:var(--brand)}
  .sticky-actions{display:flex;gap:10px}

  /* 响应式 */
  @media (max-width:1024px){
    .hero-inner{grid-template-columns:1fr;gap:40px}
    .hero-title{font-size:34px}
    .grid-4{grid-template-columns:repeat(2,1fr)}
    .grid-3{grid-template-columns:repeat(2,1fr)}
    .news-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:900px){
    .nav-links{
      position:absolute;top:64px;left:0;right:0;
      flex-direction:column;align-items:stretch;gap:4px;
      background:#fff;padding:12px 18px 18px;
      border-bottom:1px solid var(--line);box-shadow:0 14px 28px rgba(15,23,42,.10);
      display:none;
    }
    .site-header.nav-open .nav-links{display:flex}
    .nav-links a{padding:12px 14px;font-size:15px}
    .nav-toggle{display:inline-flex}
    .nav-cta{display:none}
  }
  @media (max-width:768px){
    .section{padding:56px 0}
    .hero{padding:46px 0 56px}
    .hero-title{font-size:29px}
    .hero-text{font-size:15px}
    .grid-2,.grid-3,.grid-4,.steps,.check-list{grid-template-columns:1fr}
    .stats{grid-template-columns:repeat(2,1fr)}
    .section-head h2{font-size:24px}
    .rank-row{grid-template-columns:44px 1fr 70px;gap:12px;padding:16px 18px}
    .rank-bar{display:none}
    .cta-band{padding:36px 24px}
    .cta-inner h2{font-size:23px}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .sticky-text{font-size:13px}
    .sticky-text span{display:none}
    .compare-table th,.compare-table td{padding:13px 14px;font-size:13.5px}
    .compare-table td:first-child{width:30%}
  }
  @media (max-width:520px){
    .wrap{padding:0 16px}
    .hero-title{font-size:25px}
    .stats{grid-template-columns:1fr 1fr}
    .stat{padding:18px 14px}
    .stat-value{font-size:22px}
    .voucher-top{padding:20px}
    .voucher-value strong{font-size:36px}
    .voucher-body{padding:18px 20px 22px}
    .rail > *{flex:0 0 254px}
    .hero-actions .btn{width:100%}
    .cta-actions .btn{width:100%}
    .footer-bottom{flex-direction:column;gap:8px}
  }

/* roulang page: article */
:root{
  --brand:#1d4ed8;
  --brand-dark:#1e40af;
  --brand-soft:#e8efff;
  --accent:#0ea5e9;
  --ink:#0f172a;
  --muted:#5b6b86;
  --line:#e3e9f4;
  --bg:#f5f8ff;
  --card:#ffffff;
  --radius:14px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05),0 2px 8px rgba(29,78,216,.07);
  --shadow-md:0 8px 24px rgba(29,78,216,.12);
  --shadow-lg:0 20px 44px rgba(15,23,42,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.page-body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
p{margin:0}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,23,42,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 6px 14px rgba(29,78,216,.28);
}
.logo-text{font-size:16.5px;font-weight:800;letter-spacing:-.2px;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 12px;border-radius:9px;font-size:14.5px;font-weight:500;
  color:var(--muted);transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links a.active{color:var(--brand);background:var(--brand-soft);font-weight:700}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:9px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(29,78,216,.28);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(29,78,216,.26)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(29,78,216,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#c7d8f7}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:#eaf1ff;transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:8px}

/* ---------- 文章首屏 ---------- */
.article-hero{position:relative;overflow:hidden;padding:42px 0 56px;border-bottom:1px solid var(--line)}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.15;z-index:0;
}
.article-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(245,248,255,.72) 0%,rgba(245,248,255,.94) 62%,var(--bg) 100%);
}
.article-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--muted);transition:color .2s}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#bccbe4}
.crumb .current{color:var(--ink);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero-grid{display:grid;grid-template-columns:1.14fr .86fr;gap:46px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid #d7e3fa;color:var(--brand);
  font-size:13px;font-weight:700;letter-spacing:.03em;box-shadow:var(--shadow-sm);
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.article-title{font-size:36px;line-height:1.32;letter-spacing:-.8px;font-weight:800;margin:18px 0 14px;color:var(--ink)}
.article-summary{font-size:15.5px;color:#3c4a63;line-height:1.85;margin:0 0 22px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px}
.meta-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:#3c4a63;font-size:13px;font-weight:600;
}
.meta-pill.accent{background:var(--brand-soft);border-color:#cfdffb;color:var(--brand)}
.hero-figure{
  margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid #fff;
  box-shadow:var(--shadow-lg);background:#dbe6f8;
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:32px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
  color:var(--brand);letter-spacing:.1em;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand)}
.section-head h2{font-size:27px;line-height:1.4;letter-spacing:-.5px;margin:12px 0 10px;font-weight:800}
.section-head p{color:var(--muted);font-size:15px}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:34px;align-items:start}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:34px 36px 30px;
}
.article-body{font-size:16px;line-height:1.85;color:#26334a;overflow-wrap:break-word}
.article-body h2{
  font-size:22px;line-height:1.5;margin:36px 0 14px;font-weight:800;color:var(--ink);
  padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.article-body h3{font-size:18px;line-height:1.55;margin:26px 0 10px;font-weight:700;color:var(--ink)}
.article-body h4{font-size:16.5px;margin:20px 0 8px;font-weight:700;color:var(--ink)}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body img{border-radius:12px;margin:20px 0;box-shadow:var(--shadow-sm);height:auto}
.article-body blockquote{
  margin:22px 0;padding:14px 18px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 10px 10px 0;color:#33415c;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--brand-soft);color:var(--brand-dark);font-weight:700}
.article-body code{background:#eef3fd;border-radius:5px;padding:1px 6px;font-size:14px;color:var(--brand-dark)}
.article-foot{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin-top:30px;padding-top:22px;border-top:1px dashed var(--line);
}
.article-foot .tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:#f2f6ff;border:1px solid #dbe6fa;color:#3c4a63;font-size:13px;font-weight:600;
}
.empty-state{text-align:center;padding:36px 10px 26px}
.empty-state h2{font-size:22px;margin:0 0 10px;font-weight:800;border:0;padding:0}
.empty-state p{color:var(--muted);margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.article-aside{position:sticky;top:84px}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:22px;margin-bottom:18px;
}
.aside-card h3{font-size:16px;font-weight:800;margin:0 0 14px;display:flex;align-items:center;gap:9px}
.aside-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.spec-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.spec-list li{
  display:flex;justify-content:space-between;gap:14px;font-size:14px;
  padding-bottom:10px;border-bottom:1px dashed var(--line);
}
.spec-list li:last-child{border-bottom:0;padding-bottom:0}
.spec-list span{color:var(--muted);flex:0 0 auto}
.spec-list strong{color:var(--ink);font-weight:700;text-align:right}
.aside-cta p{font-size:14px;color:var(--muted);margin:0 0 14px;line-height:1.75}
.aside-cta .btn{width:100%}
.aside-note{background:linear-gradient(160deg,#eef4ff,#f7faff);border-color:#d9e6fb}
.aside-note p{font-size:14px;color:#3c4a63;margin:0;line-height:1.8}

/* ---------- 参数速览 ---------- */
.spec-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:8px 26px;
}
.spec-rows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
.spec-row{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line);font-size:14.8px}
.spec-row:nth-last-child(-n+2){border-bottom:0}
.spec-row dt{color:var(--muted);margin:0;flex:0 0 auto}
.spec-row dd{margin:0;color:var(--ink);font-weight:700;text-align:right}

/* ---------- 截图 ---------- */
.shot-track{
  display:flex;gap:18px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.shot-track::-webkit-scrollbar{height:6px}
.shot-track::-webkit-scrollbar-thumb{background:#c8d8f4;border-radius:99px}
.shot{
  flex:0 0 292px;scroll-snap-align:start;background:var(--card);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.shot:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.shot figcaption{padding:12px 14px 14px;font-size:13.8px;color:var(--muted);line-height:1.6}

/* ---------- 下载条 ---------- */
.download-band{
  position:relative;overflow:hidden;border-radius:18px;padding:44px 42px;
  background:#0f2a63;color:#fff;box-shadow:var(--shadow-lg);
}
.download-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-4.webp') center/cover no-repeat;opacity:.2;
}
.download-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(15,42,99,.94) 0%,rgba(29,78,216,.86) 58%,rgba(14,165,233,.7) 100%);
}
.download-band > *{position:relative;z-index:2}
.download-band h2{font-size:27px;line-height:1.4;letter-spacing:-.5px;margin:0 0 12px;font-weight:800;color:#fff}
.download-band p{font-size:15px;color:#d5e3fb;margin:0 0 8px;max-width:660px;line-height:1.8}
.download-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.download-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.download-points .tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  color:#e4edfd;font-size:13px;font-weight:600;
}

/* ---------- 相关阅读 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.card-media{width:100%;aspect-ratio:16/10;object-fit:cover;background:#dbe6f8}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px}
.card-cat{font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.04em}
.card-title{font-size:15.5px;font-weight:700;line-height:1.55;color:var(--ink)}
.card:hover .card-title{color:var(--brand)}
.card-desc{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-sm);margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9d9f5;box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 20px;font-weight:700;font-size:15.5px;
  display:flex;justify-content:space-between;align-items:flex-start;gap:14px;color:var(--ink);
}
.faq-item summary:focus-visible{outline:3px solid rgba(29,78,216,.28);outline-offset:-3px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--brand);font-weight:700;line-height:1;flex:0 0 auto}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 20px 18px;color:var(--muted);font-size:15px;line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:#0d1e3d;color:#c3d3ec;padding:52px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:30px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-size:16px;color:#fff;font-weight:800}
.footer-desc{font-size:14px;line-height:1.85;color:#9fb4d4;margin:0 0 14px;max-width:400px}
.footer-title{font-size:14.5px;font-weight:800;color:#fff;margin:0 0 14px;letter-spacing:.03em}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-list a{font-size:14px;color:#a8bcda;transition:color .2s}
.footer-list a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:13px;color:#8aa2c4;
}
.footer-bottom a{color:#b9cbe6}
.footer-bottom a:hover{color:#fff}

/* ---------- 底部固定转化条 ---------- */
.fixed-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(15,23,42,.08);
}
.fixed-cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;padding-top:10px;padding-bottom:10px}
.fixed-cta strong{display:block;font-size:15.5px;font-weight:800;color:var(--ink)}
.fixed-cta small{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.fixed-cta .btn{flex:0 0 auto}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .article-hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-figure{order:-1}
  .article-title{font-size:31px}
  .article-layout{grid-template-columns:1fr;gap:26px}
  .article-aside{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .aside-card{margin-bottom:0}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:4px;padding:12px 18px 18px;
    box-shadow:0 14px 26px rgba(15,23,42,.1);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 12px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .article-hero{padding:30px 0 42px}
  .article-title{font-size:27px;letter-spacing:-.4px}
  .article-card{padding:24px 20px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:19.5px}
  .article-body h3{font-size:17px}
  .article-aside{grid-template-columns:1fr}
  .spec-rows{grid-template-columns:1fr}
  .spec-row:nth-last-child(2){border-bottom:1px dashed var(--line)}
  .spec-panel{padding:6px 20px}
  .download-band{padding:32px 24px}
  .download-band h2{font-size:22px}
  .section-head h2{font-size:23px}
  .grid-4{grid-template-columns:1fr}
  .fixed-cta small{display:none}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .logo-text{font-size:15px}
  .article-title{font-size:23.5px}
  .article-summary{font-size:14.5px}
  .crumb .current{max-width:200px}
  .shot{flex:0 0 244px}
  .btn{min-height:42px;padding:0 16px;font-size:14.5px}
  .fixed-cta strong{font-size:14px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
 --brand:#1d4ed8;
 --brand-dark:#1e40af;
 --brand-soft:#e8efff;
 --accent:#0ea5e9;
 --ink:#0f172a;
 --muted:#5b6b86;
 --line:#e3e9f4;
 --bg:#f5f8ff;
 --card:#ffffff;
 --radius:14px;
 --shadow-sm:0 1px 2px rgba(15,23,42,.05),0 2px 8px rgba(29,78,216,.07);
 --shadow-md:0 8px 24px rgba(29,78,216,.12);
 --shadow-lg:0 20px 44px rgba(15,23,42,.14);
 --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.page-body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;
 padding-bottom:78px;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(29,78,216,.35);outline-offset:2px;border-radius:8px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* 顶部导航 */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.94);
 backdrop-filter:saturate(160%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,23,42,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.logo-mark{
 width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,var(--brand),var(--accent));
 display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
 box-shadow:0 6px 14px rgba(29,78,216,.28);
}
.logo-text{font-size:16.5px;font-weight:800;letter-spacing:-.2px;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
 padding:8px 12px;border-radius:9px;font-size:14.5px;font-weight:500;
 color:var(--muted);text-decoration:none;transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links a.active{color:var(--brand);background:var(--brand-soft);font-weight:700}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
 background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px}

/* 按钮 */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:44px;padding:0 22px;border-radius:9px;
 font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;
 cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(29,78,216,.26)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(29,78,216,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#c7d8f7}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:8px}

/* 文档式首屏 */
.doc-hero{position:relative;overflow:hidden;padding:70px 0 64px;text-align:center}
.doc-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 opacity:.14;z-index:0;
}
.doc-hero::after{
 content:"";position:absolute;inset:0;z-index:1;
 background:linear-gradient(180deg,rgba(245,248,255,.70) 0%,rgba(245,248,255,.93) 64%,var(--bg) 100%);
}
.doc-hero .wrap{position:relative;z-index:2}
.hero-kicker{
 display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
 background:#fff;border:1px solid #d7e3fa;color:var(--brand);
 font-size:13px;font-weight:700;letter-spacing:.04em;box-shadow:var(--shadow-sm);
}
.hero-kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.doc-title{
 font-size:clamp(28px,4.2vw,42px);line-height:1.28;letter-spacing:-1px;font-weight:800;
 margin:20px 0 14px;color:var(--ink);
}
.doc-sub{font-size:16px;color:#3c4a63;max-width:730px;margin:0 auto;line-height:1.85;font-weight:600}
.doc-search{
 display:flex;gap:10px;max-width:640px;margin:28px auto 20px;
 background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;
 box-shadow:var(--shadow-md);transition:border-color .2s ease,box-shadow .2s ease;
}
.doc-search:focus-within{border-color:#b8cff5;box-shadow:0 12px 30px rgba(29,78,216,.16)}
.doc-search input{
 flex:1;border:0;outline:none;padding:0 14px;font-size:15px;background:transparent;
 min-height:44px;color:var(--ink);font-family:inherit;
}
.doc-search input::placeholder{color:#93a3bd}
.doc-search .btn{flex:0 0 auto}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:center}
.chip-label{font-size:13px;color:var(--muted);font-weight:700}
.chip{
 display:inline-flex;align-items:center;min-height:34px;padding:0 14px;border-radius:999px;
 background:#fff;border:1px solid var(--line);font-size:13.5px;color:#33415c;font-weight:600;
 box-shadow:var(--shadow-sm);transition:.2s;
}
.chip:hover{color:var(--brand);border-color:#c7d8f7;background:var(--brand-soft);transform:translateY(-2px)}

/* 板块 */
.section{padding:72px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:800px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
 color:var(--brand);letter-spacing:.1em;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand)}
.section-head h2{font-size:29px;line-height:1.36;letter-spacing:-.6px;margin:14px 0 10px;font-weight:800}
.section-head p{color:var(--muted);font-size:15.5px;margin:0}

/* 网格 */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

/* 卡片 */
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.card-media{width:100%;aspect-ratio:16/10;object-fit:cover;background:#dbe6f8}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17.5px;font-weight:800;line-height:1.45;letter-spacing:-.2px}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.card-meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;padding-top:6px}

.tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
 background:#fff;border:1px solid var(--line);color:#3c4a63;font-size:13px;font-weight:600;
}
.tag-accent{background:var(--brand-soft);border-color:#cfdffb;color:var(--brand)}

.ico{
 width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
 display:grid;place-items:center;flex:0 0 auto;
}
.ico svg{width:22px;height:22px}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;margin-top:12px}
.step{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:30px 22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.step::before{
 counter-increment:step;content:counter(step);
 position:absolute;top:-15px;left:22px;width:32px;height:32px;border-radius:10px;
 background:var(--brand);color:#fff;font-weight:800;font-size:14px;
 display:grid;place-items:center;box-shadow:0 6px 14px rgba(29,78,216,.28);
}
.step h3{font-size:16px;font-weight:800;margin:8px 0 8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* 参数列表 */
.spec{display:grid;gap:10px;margin-top:6px}
.spec li{
 display:flex;justify-content:space-between;align-items:baseline;gap:12px;
 font-size:14px;color:#33415c;padding-bottom:9px;border-bottom:1px dashed #e7eefb;
}
.spec li:last-child{border-bottom:0;padding-bottom:0}
.spec b{font-weight:800;color:var(--ink);text-align:right}

/* 图文区 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-media{
 border-radius:18px;overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow-lg);background:#dbe6f8;
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;font-size:14.8px;color:#33415c;line-height:1.8}
.check-list i{
 width:20px;height:20px;border-radius:7px;background:var(--brand-soft);color:var(--brand);
 display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800;flex:0 0 auto;margin-top:3px;
}

/* 报错速查 */
.err-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.err-item{
 background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;
 display:flex;gap:14px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.err-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.err-item .code{
 font-size:12px;font-weight:800;color:var(--brand);background:var(--brand-soft);
 border-radius:8px;padding:5px 9px;white-space:nowrap;height:fit-content;letter-spacing:.02em;
}
.err-item h3{font-size:15.5px;font-weight:800;margin-bottom:6px}
.err-item p{font-size:14px;color:var(--muted);line-height:1.75}

/* 数据卡 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
 background:linear-gradient(160deg,#ffffff,#f2f7ff);
 border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 20px;text-align:center;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.stat .num{font-size:28px;font-weight:800;color:var(--brand);letter-spacing:-.5px;line-height:1.2}
.stat .num small{font-size:14px;font-weight:700;margin-left:2px}
.stat .lbl{font-size:13.5px;color:var(--muted);margin-top:8px}

/* FAQ */
.faq{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq details{
 background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px;
 box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details[open]{border-color:#c9d9f5;box-shadow:var(--shadow-md)}
.faq summary{
 list-style:none;cursor:pointer;padding:18px 0;font-weight:700;font-size:15.5px;
 display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;color:var(--brand);font-weight:700;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq p{padding:0 0 18px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* 收口 */
.cta-band{
 position:relative;overflow:hidden;border-radius:20px;padding:48px 44px;
 background:linear-gradient(120deg,#1d4ed8,#0ea5e9);color:#fff;
 display:grid;grid-template-columns:1.45fr .55fr;gap:28px;align-items:center;
 box-shadow:var(--shadow-lg);
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-4.webp') center/cover no-repeat;
 opacity:.16;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:27px;line-height:1.4;letter-spacing:-.5px;font-weight:800;margin-bottom:12px}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.9)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}
.cta-band .btn-primary{background:#fff;color:var(--brand);box-shadow:0 10px 24px rgba(8,20,50,.22)}
.cta-band .btn-primary:hover{background:#eef4ff}

/* 空列表 */
.empty-tip{
 background:#fff;border:1px dashed #cfdcf0;border-radius:12px;
 padding:28px;text-align:center;color:var(--muted);font-size:14.5px;
}

/* 底部转化条 */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
 border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(15,23,42,.08);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding-top:8px;padding-bottom:8px}
.sticky-text strong{display:block;font-size:15px;font-weight:800;line-height:1.4}
.sticky-text span{font-size:13px;color:var(--muted)}

/* 页脚 */
.site-footer{background:#0b1220;color:#c3d2ea;padding:56px 0 0}
.footer-grid{
 display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;
 padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.85;color:#9fb2cd;margin-bottom:16px;max-width:430px}
.footer-title{font-size:15px;color:#fff;font-weight:800;margin-bottom:16px}
.footer-list{display:grid;gap:10px}
.footer-list a{color:#a8bad4;font-size:14px;transition:color .2s ease}
.footer-list a:hover{color:#fff}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
 padding:20px 0 26px;font-size:13px;color:#8ba0be;
}
.footer-bottom a{color:#b9cbe4}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1024px){
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .stats{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:32px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .cta-band{grid-template-columns:1fr;padding:38px 32px}
 .cta-actions{justify-content:flex-start}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex}
 .nav-links{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:#fff;border-bottom:1px solid var(--line);
  padding:10px 16px 16px;display:none;
  box-shadow:0 18px 32px rgba(15,23,42,.10);
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px;font-size:15px}
 .header-inner{gap:12px}
}
@media (max-width:768px){
 .grid-2,.grid-3,.err-grid{grid-template-columns:1fr}
 .section{padding:52px 0}
 .doc-hero{padding:52px 0 48px}
 .section-head h2{font-size:24px}
 .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px}
 .cta-band h2{font-size:22px}
 .logo-text{font-size:15px}
}
@media (max-width:520px){
 .grid-4,.stats,.steps{grid-template-columns:1fr}
 .doc-search{flex-direction:column;padding:10px}
 .doc-search .btn{width:100%}
 .sticky-text span{display:none}
 .nav-cta{display:none}
 .doc-title{letter-spacing:-.5px}
 .stat .num{font-size:24px}
}

/* roulang page: category2 */
:root{
--brand:#1d4ed8;
--brand-dark:#1e40af;
--brand-soft:#e8efff;
--accent:#0ea5e9;
--ink:#0f172a;
--muted:#5b6b86;
--line:#e3e9f4;
--bg:#f5f8ff;
--card:#ffffff;
--radius:14px;
--shadow-sm:0 1px 2px rgba(15,23,42,.05),0 2px 8px rgba(29,78,216,.07);
--shadow-md:0 8px 24px rgba(29,78,216,.12);
--shadow-lg:0 20px 44px rgba(15,23,42,.14);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.page-body{
margin:0;
font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
background:var(--bg);
color:var(--ink);
font-size:16px;
line-height:1.75;
padding-bottom:86px;
-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:-.4px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(29,78,216,.42);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}

/* 顶部导航 */
.site-header{
position:sticky;top:0;z-index:80;
background:rgba(255,255,255,.94);
backdrop-filter:saturate(160%) blur(12px);
border-bottom:1px solid var(--line);
transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,23,42,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.logo-mark{
width:34px;height:34px;border-radius:10px;
background:linear-gradient(135deg,var(--brand),var(--accent));
display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
box-shadow:0 6px 14px rgba(29,78,216,.28);
}
.logo-text{font-size:16.5px;font-weight:800;letter-spacing:-.2px;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
padding:8px 12px;border-radius:9px;font-size:14.5px;font-weight:500;
color:var(--muted);text-decoration:none;transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links a.active{color:var(--brand);background:var(--brand-soft);font-weight:700}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-toggle{
display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px}

/* 按钮与标签 */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
min-height:44px;padding:0 22px;border-radius:9px;
font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;
cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(29,78,216,.26)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(29,78,216,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#c7d8f7}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:8px}
.tag{
display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
background:#fff;border:1px solid var(--line);color:#3c4a63;font-size:13px;font-weight:600;
}
.tag-accent{background:var(--brand-soft);border-color:#cfdffb;color:var(--brand)}
.badge{
display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
font-size:12px;font-weight:800;letter-spacing:.04em;
background:#eaf1ff;color:var(--brand);
}
.badge-hot{background:#0f2a5c;color:#cfe2ff}

/* 面包屑 */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--brand);font-weight:600}
.crumbs span.sep{color:#b8c6dd}

/* Hero */
.hero-cat{position:relative;overflow:hidden;padding:26px 0 70px;border-bottom:1px solid var(--line)}
.hero-cat::before{
content:"";position:absolute;inset:0;
background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
opacity:.18;z-index:0;
}
.hero-cat::after{
content:"";position:absolute;inset:0;z-index:1;
background:linear-gradient(180deg,rgba(245,248,255,.7) 0%,rgba(245,248,255,.94) 60%,var(--bg) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.hero-kicker{
display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
background:#fff;border:1px solid #d7e3fa;color:var(--brand);
font-size:13px;font-weight:700;letter-spacing:.04em;box-shadow:var(--shadow-sm);
}
.hero-kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.hero-title{font-size:40px;line-height:1.28;letter-spacing:-1px;margin:18px 0 14px}
.hero-title em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:16.5px;color:#3c4a63;font-weight:600;margin-bottom:14px}
.hero-text{font-size:15.5px;color:var(--muted);line-height:1.85;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}

/* 倒计时面板 */
.countdown-panel{
background:#fff;border:1px solid var(--line);border-radius:18px;
box-shadow:var(--shadow-md);padding:26px 24px 24px;
}
.cd-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.cd-top h2{font-size:16px;letter-spacing:0}
.cd-ring{position:relative;width:132px;height:132px;margin:0 auto 18px}
.cd-svg{width:132px;height:132px;display:block}
.cd-track{fill:none;stroke:#e6eefb;stroke-width:10}
.cd-bar{
fill:none;stroke:var(--brand);stroke-width:10;stroke-linecap:round;
transform:rotate(-90deg);transform-origin:60px 60px;
transition:stroke-dashoffset 1s linear;
}
.cd-center{
position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
}
.cd-center strong{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--ink);font-variant-numeric:tabular-nums}
.cd-center span{font-size:11.5px;color:var(--muted);letter-spacing:.05em}
.cd-points{display:grid;gap:11px;border-top:1px dashed var(--line);padding-top:16px}
.cd-points li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:#3c4a63;line-height:1.6}
.cd-points svg{width:17px;height:17px;flex:0 0 auto;margin-top:3px;color:var(--brand)}

/* 板块 */
.section{padding:72px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:800px;margin-bottom:38px}
.section-kicker{
display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
color:var(--brand);letter-spacing:.1em;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand)}
.section-head h2{font-size:29px;line-height:1.36;letter-spacing:-.6px;margin:14px 0 10px}
.section-head p{color:var(--muted);font-size:15.5px}

/* 网格与卡片 */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
box-shadow:var(--shadow-sm);overflow:hidden;
transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.card-media{width:100%;aspect-ratio:16/10;object-fit:cover;background:#dbe6f8}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.42}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.75}
.card-foot{margin-top:auto;padding-top:12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.icon-box{
width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
background:var(--brand-soft);color:var(--brand);flex:0 0 auto;
}
.icon-box svg{width:21px;height:21px}

/* 场景演示 */
.scene-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:center}
.scene-media{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.scene-media img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.scene-media figcaption{
position:absolute;left:0;right:0;bottom:0;padding:16px 20px;
background:linear-gradient(180deg,rgba(9,20,40,0),rgba(9,20,40,.82));
color:#eef4ff;font-size:13.5px;font-weight:600;letter-spacing:.02em;
}
.scene-list{display:grid;gap:14px}
.scene-item{
display:flex;gap:14px;padding:16px 18px;background:#fff;
border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);
transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.scene-num{
width:30px;height:30px;flex:0 0 auto;border-radius:9px;display:grid;place-items:center;
background:var(--brand);color:#fff;font-size:13px;font-weight:800;
}
.scene-item h3{font-size:15.5px;margin-bottom:4px}
.scene-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* 倍率对照 */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
box-shadow:var(--shadow-sm);padding:26px 24px;display:flex;flex-direction:column;gap:14px;
transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.plan h3{font-size:19px}
.plan .plan-num{font-size:30px;font-weight:800;color:var(--brand);letter-spacing:-1px;line-height:1.1}
.plan .plan-num small{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0;margin-left:6px}
.plan ul{display:grid;gap:10px;margin-top:4px}
.plan ul li{display:flex;gap:9px;font-size:14px;color:#43536f;line-height:1.65}
.plan ul li svg{width:16px;height:16px;flex:0 0 auto;margin-top:4px;color:var(--accent)}
.plan-hot{border-color:#bcd2f7;box-shadow:var(--shadow-md);background:linear-gradient(180deg,#fbfdff,#f2f7ff)}
.plan-hot .plan-num{color:var(--brand-dark)}

/* 流程时间线 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step{
background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 20px;
box-shadow:var(--shadow-sm);position:relative;
transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step .step-no{
display:inline-flex;align-items:center;justify-content:center;
width:28px;height:28px;border-radius:8px;background:var(--brand-soft);color:var(--brand);
font-size:13px;font-weight:800;margin-bottom:12px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.72}

/* 数据条 */
.section-dark{background:#0b1c3d;color:#e6eeff;padding:66px 0}
.section-dark .section-kicker{color:#8ab6ff}
.section-dark .section-kicker::before{background:#8ab6ff}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:#a9bddc}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
border-radius:12px;padding:24px 22px;transition:background .2s ease,transform .2s ease;
}
.stat:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.stat strong{display:block;font-size:30px;font-weight:800;color:#fff;letter-spacing:-.8px;margin-bottom:6px}
.stat strong small{font-size:15px;font-weight:700;color:#8ab6ff;margin-left:3px}
.stat span{font-size:13.5px;color:#a9bddc;line-height:1.6}

/* 反馈 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
padding:24px 22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;
transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.review p{font-size:14.5px;color:#3c4a63;line-height:1.8}
.review-user{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:14px}
.avatar{
width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:13px;
}
.review-user strong{font-size:14px;display:block;line-height:1.4}
.review-user span{font-size:12.5px;color:var(--muted)}

/* 资讯列表 */
.news-card{padding:22px 22px 20px;gap:0}
.news-card .news-cat{display:inline-flex;margin-bottom:10px}
.news-card h3{font-size:16.5px;line-height:1.5;margin-bottom:8px}
.news-card h3 a{transition:color .2s ease}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{font-size:14px;color:var(--muted);line-height:1.72;margin-bottom:14px}
.news-meta{
display:flex;align-items:center;justify-content:space-between;gap:12px;
font-size:12.5px;color:#8092ad;border-top:1px solid var(--line);padding-top:12px;margin-top:auto;
}
.empty-note{
padding:30px 24px;border:1px dashed #c7d8f7;border-radius:12px;
background:#fff;color:var(--muted);font-size:15px;text-align:center;
}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
background:#fff;border:1px solid var(--line);border-radius:12px;
box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#bcd2f7;box-shadow:var(--shadow-md)}
.faq-item summary{
list-style:none;cursor:pointer;padding:18px 22px;
display:flex;align-items:center;justify-content:space-between;gap:16px;
font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary::after{
content:"+";font-size:20px;font-weight:700;color:var(--brand);line-height:1;
transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item .faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.8}

/* CTA 收口 */
.cta-band{
background:#0f2a5c;border-radius:20px;padding:44px 42px;
display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-band::before{
content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;
background:radial-gradient(circle,rgba(14,165,233,.32),rgba(14,165,233,0) 68%);
}
.cta-band h2{color:#fff;font-size:27px;line-height:1.4;margin-bottom:10px;position:relative}
.cta-band p{color:#b6c9e8;font-size:15px;line-height:1.8;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative}
.cta-actions .btn-ghost{background:transparent;color:#dce9ff;border-color:rgba(255,255,255,.32)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.cta-actions .btn-primary{background:#2f7bff;box-shadow:0 10px 24px rgba(47,123,255,.36)}

/* 底部固定转化条 */
.sticky-cta{
position:fixed;left:0;right:0;bottom:0;z-index:70;
background:rgba(255,255,255,.97);
border-top:1px solid var(--line);
box-shadow:0 -8px 24px rgba(15,23,42,.08);
backdrop-filter:blur(10px);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;padding:10px 0}
.sticky-inner .sticky-text{font-size:14.5px;color:#3c4a63;font-weight:600}
.sticky-inner .sticky-text b{color:var(--brand)}

/* 页脚 */
.site-footer{background:#0b1c3d;color:#c7d6ee;margin-top:0}
.footer-grid{
display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;
padding:56px 0 36px;border-top:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:16.5px;letter-spacing:-.2px}
.footer-desc{font-size:14px;color:#9fb3d3;line-height:1.8;margin-bottom:16px;max-width:420px}
.footer-title{font-size:14px;color:#fff;font-weight:800;margin-bottom:16px;letter-spacing:.02em}
.footer-list{display:grid;gap:10px}
.footer-list a{font-size:14px;color:#9fb3d3;transition:color .2s ease}
.footer-list a:hover{color:#fff}
.footer-bottom{
display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
padding:18px 0 24px;border-top:1px solid rgba(255,255,255,.1);
font-size:13px;color:#8ea3c4;
}
.footer-bottom a{color:#a9c4ec}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1080px){
.hero-title{font-size:35px}
.hero-grid{gap:34px}
.cta-band{grid-template-columns:1fr;padding:36px 30px}
.cta-actions{justify-content:flex-start}
}
@media (max-width:980px){
.nav-links{
position:absolute;top:64px;left:0;right:0;
flex-direction:column;align-items:stretch;gap:4px;
background:#fff;border-bottom:1px solid var(--line);
box-shadow:0 16px 32px rgba(15,23,42,.12);
padding:10px 18px 16px;display:none;
}
.nav-links.open{display:flex}
.nav-links a{padding:11px 12px;font-size:15px}
.nav-toggle{display:inline-flex}
.hero-grid{grid-template-columns:1fr;gap:32px}
.hero-cat{padding:22px 0 54px}
.countdown-panel{max-width:520px}
.grid-4{grid-template-columns:repeat(2,1fr)}
.stat-grid{grid-template-columns:repeat(2,1fr)}
.scene-grid{grid-template-columns:1fr;gap:30px}
.compare-grid{grid-template-columns:1fr;gap:16px}
.steps{grid-template-columns:repeat(2,1fr)}
.review-grid{grid-template-columns:1fr}
.grid-3{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
body.page-body{font-size:15.5px}
.section{padding:52px 0}
.section-head h2{font-size:24px}
.hero-title{font-size:29px;letter-spacing:-.5px}
.hero-sub{font-size:15px}
.hero-text{font-size:14.5px}
.cta-band h2{font-size:22px}
.footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px}
.nav-cta{display:none}
.sticky-inner .sticky-text{font-size:13px}
}
@media (max-width:560px){
.wrap{padding:0 16px}
.logo-text{font-size:15px}
.hero-title{font-size:26px}
.grid-3,.grid-4,.grid-2,.steps,.stat-grid{grid-template-columns:1fr}
.hero-actions .btn{width:100%}
.cta-actions{flex-direction:column;align-items:stretch}
.cta-actions .btn{width:100%}
.cta-band{padding:28px 22px;border-radius:16px}
.faq-item summary{font-size:15px;padding:16px 18px}
.sticky-inner{gap:10px}
.sticky-cta .btn-sm{min-height:42px;padding:0 16px}
}

/* roulang page: category3 */
:root{
  --brand:#1d4ed8;
  --brand-dark:#1e40af;
  --brand-soft:#e8efff;
  --accent:#0ea5e9;
  --ink:#0f172a;
  --muted:#5b6b86;
  --line:#e3e9f4;
  --bg:#f5f8ff;
  --card:#ffffff;
  --radius:14px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05),0 2px 8px rgba(29,78,216,.07);
  --shadow-md:0 8px 24px rgba(29,78,216,.12);
  --shadow-lg:0 20px 44px rgba(15,23,42,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.page-body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font-family:inherit}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 22px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,23,42,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 6px 14px rgba(29,78,216,.28);
}
.logo-text{font-size:16.5px;font-weight:800;letter-spacing:-.2px;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 12px;border-radius:9px;font-size:14.5px;font-weight:500;
  color:var(--muted);text-decoration:none;transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links a.active{color:var(--brand);background:var(--brand-soft);font-weight:700}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:9px;
  font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(29,78,216,.26)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(29,78,216,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#c7d8f7}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:8px}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
  outline:3px solid rgba(29,78,216,.38);outline-offset:2px;
}

/* Hero */
.hero{position:relative;overflow:hidden;padding:60px 0 68px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.16;z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(245,248,255,.74) 0%,rgba(245,248,255,.93) 62%,var(--bg) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid #d7e3fa;color:var(--brand);
  font-size:13px;font-weight:700;letter-spacing:.04em;box-shadow:var(--shadow-sm);
}
.hero-kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.hero-title{
  font-size:38px;line-height:1.3;letter-spacing:-1px;font-weight:800;
  margin:18px 0 14px;color:var(--ink);
}
.hero-title em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:16.5px;color:#3c4a63;font-weight:600;margin:0 0 16px}
.hero-text{font-size:15.5px;color:var(--muted);line-height:1.85;margin:0 0 24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:#3c4a63;font-size:13px;font-weight:600;
}
.tag-accent{background:var(--brand-soft);border-color:#cfdffb;color:var(--brand)}

/* Hero 面板 */
.hero-panel{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-lg);padding:26px 26px 24px;
}
.panel-badge{
  display:inline-block;padding:4px 11px;border-radius:999px;background:var(--brand-soft);
  color:var(--brand);font-size:12.5px;font-weight:800;letter-spacing:.06em;margin-bottom:12px;
}
.panel-title{font-size:20px;font-weight:800;letter-spacing:-.3px;margin:0 0 8px}
.panel-sub{font-size:14px;color:var(--muted);margin:0 0 18px}
.panel-form{display:grid;gap:10px}
.panel-form label{font-size:13px;font-weight:700;color:#33415c}
.panel-form input,.panel-form select{
  width:100%;min-height:44px;padding:0 14px;border-radius:9px;border:1px solid #d7e0f0;
  background:#fbfdff;color:var(--ink);font-size:14.5px;transition:border-color .2s,box-shadow .2s;
}
.panel-form input::placeholder{color:#9aa8bf}
.panel-form input:focus,.panel-form select:focus{border-color:#9dbdf5;box-shadow:0 0 0 4px rgba(29,78,216,.1);outline:none}
.panel-form .btn{width:100%;margin-top:6px}
.panel-note{font-size:12.5px;color:#8794ab;line-height:1.7;margin:10px 0 0}
.panel-result{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:#f0f6ff;border:1px solid #d6e4fb;color:#1f3d78;font-size:13.5px;line-height:1.7;
}
.panel-result.show{display:block}

/* 板块 */
.section{padding:70px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-deep{background:#0d1c36;color:#e6eefc}
.section-head{max-width:790px;margin-bottom:36px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
  color:var(--brand);letter-spacing:.1em;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand)}
.section-deep .section-kicker{color:#8fb8ff}
.section-deep .section-kicker::before{background:#8fb8ff}
.section-head h2{font-size:28px;line-height:1.38;letter-spacing:-.6px;margin:14px 0 10px;font-weight:800}
.section-head p{color:var(--muted);font-size:15.5px;margin:0}
.section-deep .section-head p{color:#a9bcd8}

/* 网格 */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* 卡片 */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;text-decoration:none;color:inherit;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.card-media{width:100%;aspect-ratio:16/10;object-fit:cover;background:#dbe6f8}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:800;letter-spacing:-.2px;margin:0;line-height:1.5}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0}
.card-foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.icon-badge{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:14px;flex:0 0 auto;
}
.num-badge{
  min-width:26px;height:26px;padding:0 8px;border-radius:8px;background:var(--brand-soft);
  color:var(--brand);font-size:13px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
}

/* 版本轨道 */
.timeline{display:grid;gap:16px}
.tl-item{
  display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.tl-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.tl-ver{font-size:16px;font-weight:800;color:var(--brand);line-height:1.5}
.tl-ver small{display:block;font-size:12.5px;font-weight:600;color:#8794ab;letter-spacing:.02em}
.tl-body h3{font-size:16px;font-weight:800;margin:0 0 6px}
.tl-body p{font-size:14.5px;color:var(--muted);margin:0 0 10px}
.tl-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.tl-list li{position:relative;padding-left:16px;font-size:14px;color:#3c4a63}
.tl-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:#9dbdf5}

/* 图文区 */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
.split-media{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2{font-size:27px;line-height:1.4;letter-spacing:-.5px;margin:12px 0 12px;font-weight:800}
.split p{font-size:15px;color:var(--muted);line-height:1.8}
.step-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
.step-list li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:11px;padding:13px 15px;box-shadow:var(--shadow-sm)}
.step-list strong{display:block;font-size:14.8px;font-weight:800;margin-bottom:2px}
.step-list span{font-size:13.8px;color:var(--muted);line-height:1.65}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:var(--shadow-sm);text-align:center}
.stat b{display:block;font-size:26px;font-weight:800;color:var(--brand);letter-spacing:-.5px;line-height:1.2}
.stat span{font-size:13.5px;color:var(--muted)}

/* 对比表 */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
table.compare{width:100%;border-collapse:collapse;font-size:14.6px}
table.compare th,table.compare td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.compare thead th{background:#f0f6ff;font-weight:800;color:#1f3d78;font-size:14px;letter-spacing:.02em}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:none}
table.compare tbody th{font-weight:700;color:#22304a;background:#fcfdff;width:170px}
table.compare td{color:var(--muted)}
table.compare tbody tr:hover td,table.compare tbody tr:hover th{background:#f7faff}

/* 评价 */
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d9f5}
.quote-card p{font-size:14.8px;color:#33415c;line-height:1.8;margin:0}
.quote-user{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:8px;border-top:1px dashed var(--line)}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#4f7dfb,#0ea5e9);
  color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center;flex:0 0 auto;
}
.quote-user b{font-size:14px;display:block;line-height:1.4}
.quote-user span{font-size:12.5px;color:#8794ab}
.stars{color:#f0a92c;font-size:14px;letter-spacing:2px}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{padding:20px 20px 22px;gap:8px}
.news-card h3{font-size:16.5px;font-weight:800;line-height:1.55;margin:0;color:var(--ink)}
.news-card p{font-size:14px;color:var(--muted);line-height:1.72;margin:0}
.news-meta{font-size:12.5px;color:#8794ab;margin-top:auto;padding-top:10px;display:block}
.empty-note{
  grid-column:1/-1;background:#fff;border:1px dashed #cddcf3;border-radius:12px;
  padding:26px;text-align:center;color:var(--muted);font-size:14.5px;
}

/* FAQ */
.faq{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:#c1d6f7;box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 52px 17px 20px;position:relative;
  font-size:15.8px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--brand);line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:hover{color:var(--brand)}
.faq-body{padding:0 20px 18px;font-size:14.8px;color:var(--muted);line-height:1.82}

/* 保障条 / CTA */
.claim-box{
  background:linear-gradient(150deg,#f2f7ff 0%,#e9f0ff 52%,#f7fbff 100%);
  border:1px solid #d3e2fa;border-radius:18px;padding:38px 38px 34px;
  box-shadow:var(--shadow-md);display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center;
}
.claim-box h2{font-size:26px;font-weight:800;letter-spacing:-.5px;margin:0 0 10px;line-height:1.4}
.claim-box p{font-size:15px;color:#3c4a63;line-height:1.8;margin:0 0 18px}
.claim-actions{display:flex;flex-wrap:wrap;gap:12px}
.claim-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.claim-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.3px;color:#33415c;background:#fff;border:1px solid #dbe7fb;border-radius:10px;padding:11px 14px}
.claim-list li i{
  width:18px;height:18px;border-radius:6px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-style:normal;font-size:11px;font-weight:800;flex:0 0 auto;margin-top:2px;
}

/* 底部固定转化条 */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -10px 28px rgba(15,23,42,.09);
  backdrop-filter:saturate(160%) blur(10px);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.sticky-text{display:flex;align-items:center;gap:12px;font-size:14.5px;color:#33415c;font-weight:600}
.sticky-text .pill{
  padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:800;letter-spacing:.04em;
}

/* 页脚 */
.site-footer{background:#0b1b34;color:#c8d6ee;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.8;color:#9fb2d0;margin:0 0 16px;max-width:420px}
.footer-title{font-size:14.5px;font-weight:800;color:#fff;margin:0 0 14px;letter-spacing:.02em}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-list a{font-size:14px;color:#a9bcd8;text-decoration:none;transition:color .2s}
.footer-list a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:20px;font-size:13px;color:#8fa3c2}
.footer-bottom a{color:#a9bcd8;text-decoration:none}
.footer-bottom a:hover{color:#fff;text-decoration:underline}

/* 响应式 */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-title{font-size:34px}
  .split{grid-template-columns:1fr;gap:30px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .claim-box{grid-template-columns:1fr;padding:32px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:860px){
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 16px 30px rgba(15,23,42,.1);padding:8px 16px 14px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 12px;border-radius:8px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
}
@media (max-width:768px){
  body.page-body{padding-bottom:96px}
  .hero{padding:44px 0 52px}
  .hero-title{font-size:29px;letter-spacing:-.5px}
  .hero-sub{font-size:15.5px}
  .section{padding:52px 0}
  .section-head h2{font-size:23px}
  .grid-2,.grid-3,.grid-4,.news-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:10px;padding:18px}
  .stats{grid-template-columns:repeat(2,1fr)}
  table.compare{font-size:13.8px}
  table.compare th,table.compare td{padding:12px 13px}
  table.compare tbody th{width:auto}
  .claim-box h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .sticky-inner{flex-direction:column;align-items:stretch;gap:10px;padding:10px 0}
  .sticky-text{justify-content:center;text-align:center;font-size:13.5px}
  .sticky-inner .btn{width:100%}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .logo-text{font-size:15px}
  .hero-title{font-size:26px}
  .hero-panel{padding:20px 18px}
  .section-head h2{font-size:21px}
  .stats{grid-template-columns:1fr}
  .step-list li{padding:12px}
  .claim-box{padding:26px 20px}
}