/* roulang page: index */
:root{
    --ink:#0A1B2A;
    --ink-2:#183447;
    --brand:#0E7C6B;
    --brand-d:#0A5F52;
    --brand-l:#E7F4F1;
    --accent:#DE9A2B;
    --accent-l:#FDF3E1;
    --bg:#F4F8F8;
    --card:#FFFFFF;
    --line:#DCE7E7;
    --muted:#5C7580;
    --radius-lg:20px;
    --radius-md:14px;
    --radius-sm:10px;
    --shadow-sm:0 2px 10px rgba(10,27,42,.06);
    --shadow-md:0 14px 34px rgba(10,27,42,.10);
    --shadow-lg:0 24px 60px rgba(10,27,42,.16);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  .site-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
  .section{padding:64px 0;}
  .section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{max-width:760px;margin-bottom:34px;}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.08em;color:var(--brand-d);
    background:var(--brand-l);border:1px solid #CFE7E2;
    padding:5px 12px;border-radius:999px;font-weight:600;
  }
  .section-title{font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:800;letter-spacing:-.01em;margin-top:14px;}
  .section-desc{color:var(--muted);font-size:15.5px;margin-top:12px;max-width:820px;}

  /* ---------- 导航 ---------- */
  .nav-wrap{
    position:sticky;top:0;z-index:80;
    padding:14px 0 0;
    background:linear-gradient(180deg,rgba(244,248,248,.96) 60%,rgba(244,248,248,0));
    backdrop-filter:blur(8px);
  }
  .nav-shell{
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    background:rgba(255,255,255,.94);
    border:1px solid var(--line);
    border-radius:18px;
    padding:10px 16px;
    box-shadow:var(--shadow-sm);
  }
  .brand{display:flex;align-items:center;gap:12px;min-width:0;}
  .brand-mark{
    width:42px;height:42px;flex:0 0 42px;border-radius:13px;
    background:linear-gradient(140deg,var(--brand) 0%,#12A18B 100%);
    color:#fff;display:flex;align-items:center;justify-content:center;
    font-size:19px;font-weight:800;letter-spacing:0;
    box-shadow:0 6px 16px rgba(14,124,107,.28);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
  .brand-text strong{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
  .brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.04em;white-space:nowrap;}
  .nav-links{display:flex;align-items:center;gap:4px;}
  .nav-link{
    padding:9px 16px;border-radius:11px;font-size:15px;color:var(--ink-2);
    font-weight:500;transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .nav-link:hover{background:var(--brand-l);color:var(--brand-d);}
  .nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .nav-link.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,124,107,.24);}
  .nav-link-dl{background:var(--ink);color:#fff;}
  .nav-link-dl:hover{background:#12374d;color:#fff;}
  .nav-toggle{
    display:none;border:1px solid var(--line);background:#fff;color:var(--ink-2);
    padding:8px 14px;border-radius:11px;font-size:14px;font-weight:600;cursor:pointer;
  }
  .nav-mobile{
    display:none;margin-top:10px;background:#fff;border:1px solid var(--line);
    border-radius:16px;padding:8px;box-shadow:var(--shadow-md);
  }
  .nav-mobile a{display:block;padding:12px 14px;border-radius:11px;font-size:15px;color:var(--ink-2);}
  .nav-mobile a:hover{background:var(--brand-l);color:var(--brand-d);}
  .nav-mobile.open{display:block;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:12px;font-size:15px;font-weight:700;
    border:1px solid transparent;cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  }
  .btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(14,124,107,.26);}
  .btn-primary:hover{background:var(--brand-d);transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,124,107,.32);}
  .btn-ghost{background:#fff;color:var(--ink-2);border-color:var(--line);box-shadow:var(--shadow-sm);}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand-d);transform:translateY(-2px);}
  .btn-dark{background:var(--ink);color:#fff;}
  .btn-dark:hover{background:#12374d;transform:translateY(-2px);}
  .btn-block{width:100%;}

  /* ---------- Hero ---------- */
  .hero{padding:44px 0 58px;}
  .hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:44px;align-items:center;}
  .hero h1{
    font-size:clamp(27px,3.5vw,42px);line-height:1.28;font-weight:900;
    letter-spacing:-.015em;margin-top:18px;color:var(--ink);
  }
  .hero-lead{color:#3D5763;font-size:16px;line-height:1.9;margin-top:18px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:30px;}
  .hero-point{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    padding:14px 16px;box-shadow:var(--shadow-sm);min-width:0;
  }
  .hero-point strong{display:block;font-size:15px;font-weight:800;color:var(--ink);}
  .hero-point span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.6;}

  .hero-panel{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    box-shadow:var(--shadow-md);padding:22px;min-width:0;
  }
  .panel-head{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;color:var(--ink-2);}
  .panel-dot{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(14,124,107,.14);}
  .ring-box{position:relative;display:flex;align-items:center;justify-content:center;margin:18px 0 8px;}
  .ring{width:186px;height:186px;}
  .ring-track{fill:none;stroke:#E6EEEE;stroke-width:10;}
  .ring-arc{
    fill:none;stroke:var(--brand);stroke-width:10;stroke-linecap:round;
    transition:stroke-dashoffset .6s ease;
  }
  .ring-center{
    position:absolute;inset:0;display:flex;flex-direction:column;
    align-items:center;justify-content:center;text-align:center;
  }
  .ring-center strong{font-size:26px;font-weight:800;letter-spacing:.03em;font-variant-numeric:tabular-nums;color:var(--ink);}
  .ring-center span{font-size:12.5px;color:var(--muted);margin-top:2px;}
  .panel-list{margin-top:10px;border-top:1px dashed var(--line);padding-top:12px;display:grid;gap:10px;}
  .panel-list li{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;font-size:13.5px;}
  .panel-list li span{color:var(--muted);flex:0 0 auto;}
  .panel-list li em{font-style:normal;color:var(--ink);font-weight:600;text-align:right;}

  /* ---------- 下载区 ---------- */
  .dl-band{
    background:linear-gradient(135deg,#0A1B2A 0%,#0E3B49 58%,#0E7C6B 130%);
    border-radius:var(--radius-lg);padding:34px;color:#fff;box-shadow:var(--shadow-lg);
  }
  .dl-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px;}
  .dl-head h2{font-size:clamp(21px,2.4vw,27px);font-weight:800;line-height:1.4;}
  .dl-head p{color:#BFD6D6;font-size:14.5px;margin-top:8px;max-width:620px;}
  .dl-badge{
    display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
    background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
    border-radius:999px;padding:6px 14px;color:#EAF6F4;
  }
  .dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
  .dl-card{
    background:rgba(255,255,255,.96);color:var(--ink);
    border-radius:var(--radius-md);padding:20px;min-width:0;
    display:flex;flex-direction:column;gap:10px;
    border:1px solid rgba(255,255,255,.5);
    transition:transform .22s ease,box-shadow .22s ease;
  }
  .dl-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(0,0,0,.24);}
  .dl-os{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:var(--brand-d);}
  .dl-os i{width:8px;height:8px;border-radius:3px;background:var(--brand);display:inline-block;}
  .dl-card h3{font-size:17px;font-weight:800;}
  .dl-card p{font-size:13px;color:var(--muted);line-height:1.7;}
  .dl-file{
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:12.5px;background:#F1F6F6;border:1px solid var(--line);
    border-radius:8px;padding:6px 10px;color:#335A5A;overflow-wrap:anywhere;
  }
  .dl-card .btn{margin-top:auto;}
  .dl-note{font-size:12.5px;color:#A9C6C6;margin-top:18px;line-height:1.8;}

  /* ---------- 能力矩阵 ---------- */
  .cap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
  .cap-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
    padding:22px;min-width:0;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C9E3DE;}
  .cap-num{
    width:34px;height:34px;border-radius:10px;background:var(--brand-l);color:var(--brand-d);
    display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
  }
  .cap-card h3{font-size:16.5px;font-weight:800;margin-top:14px;}
  .cap-card p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.8;}

  /* ---------- 参数条 ---------- */
  .stat-band{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);}
  .stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
  .stat-item{min-width:0;padding-right:12px;border-right:1px solid var(--line);}
  .stat-item:last-child{border-right:0;padding-right:0;}
  .stat-item strong{display:block;font-size:clamp(20px,2.3vw,26px);font-weight:900;color:var(--brand-d);letter-spacing:-.01em;}
  .stat-item span{display:block;font-size:13.5px;color:var(--ink);font-weight:600;margin-top:4px;}
  .stat-item em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.7;}

  /* ---------- 专题卡 ---------- */
  .topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .topic-card{
    display:flex;gap:16px;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-md);padding:22px;min-width:0;box-shadow:var(--shadow-sm);
  }
  .topic-mark{
    flex:0 0 46px;height:46px;border-radius:12px;background:var(--accent-l);
    color:#9A6410;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  }
  .topic-card h3{font-size:16px;font-weight:800;}
  .topic-card p{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.8;}

  /* ---------- 流程 ---------- */
  .flow-list{display:grid;gap:14px;counter-reset:flow;}
  .flow-item{
    display:flex;gap:18px;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-md);padding:20px 22px;min-width:0;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .flow-item:hover{border-color:#BFDCD6;box-shadow:var(--shadow-sm);}
  .flow-idx{
    flex:0 0 42px;height:42px;border-radius:12px;background:var(--ink);color:#fff;
    display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  }
  .flow-body{min-width:0;}
  .flow-body h3{font-size:16.5px;font-weight:800;}
  .flow-body p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.8;}

  /* ---------- 场景 ---------- */
  .scene-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .scene-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;min-width:0;}
  .scene-col h3{font-size:16.5px;font-weight:800;display:flex;align-items:center;gap:9px;}
  .scene-col h3 .dot-ok{width:10px;height:10px;border-radius:50%;background:var(--brand);}
  .scene-col h3 .dot-warn{width:10px;height:10px;border-radius:50%;background:#D9603F;}
  .scene-col ul{margin-top:14px;display:grid;gap:10px;}
  .scene-col li{font-size:14px;color:#3D5763;line-height:1.8;padding-left:16px;position:relative;}
  .scene-col li::before{
    content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:#B7CFCB;
  }
  .scene-col.warn{background:#FFF9F6;border-color:#F2D9CF;}
  .scene-col.warn li::before{background:#E7B6A4;}

  /* ---------- 对比表 ---------- */
  .cmp-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);}
  .cmp-table{width:100%;min-width:720px;border-collapse:collapse;font-size:14px;}
  .cmp-table thead th{
    background:#F2F7F7;color:var(--ink-2);font-weight:800;text-align:left;
    padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
  }
  .cmp-table tbody td{padding:16px 18px;border-bottom:1px solid #EFF4F4;color:#3D5763;line-height:1.75;vertical-align:top;}
  .cmp-table tbody tr:last-child td{border-bottom:0;}
  .cmp-table tbody tr:hover td{background:#F9FCFC;}
  .cmp-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
  .cmp-table .col-hi{background:#F3FBF9;}
  .cmp-foot{font-size:12.5px;color:var(--muted);margin-top:12px;}

  /* ---------- 风险承诺 ---------- */
  .risk-band{background:linear-gradient(150deg,#0A1B2A 0%,#0C2C3C 100%);color:#fff;border-radius:var(--radius-lg);padding:38px;box-shadow:var(--shadow-lg);}
  .risk-band h2{font-size:clamp(21px,2.4vw,27px);font-weight:800;}
  .risk-band > p{color:#A9C4CB;font-size:14.5px;margin-top:10px;max-width:760px;}
  .risk-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px;}
  .risk-item{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-md);padding:18px 20px;min-width:0;}
  .risk-item h3{font-size:15.5px;font-weight:800;color:#EAF6F4;}
  .risk-item p{font-size:13.5px;color:#A9C4CB;margin-top:6px;line-height:1.8;}

  /* ---------- 观点 ---------- */
  .quote-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .quote-card{
    background:#fff;border-left:4px solid var(--brand);border-radius:var(--radius-md);
    padding:22px 24px;box-shadow:var(--shadow-sm);min-width:0;
  }
  .quote-card p{font-size:14.5px;color:#33505C;line-height:1.9;}
  .quote-card span{display:block;font-size:12.5px;color:var(--muted);margin-top:12px;font-weight:600;}

  /* ---------- 更新日志 ---------- */
  .log-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;}
  .log-item{display:flex;gap:16px;padding:16px 22px;border-bottom:1px solid #EFF4F4;align-items:flex-start;}
  .log-item:last-child{border-bottom:0;}
  .log-ver{
    flex:0 0 auto;font-size:12px;font-weight:800;color:var(--brand-d);
    background:var(--brand-l);border-radius:8px;padding:3px 10px;margin-top:2px;
  }
  .log-item p{font-size:14px;color:#3D5763;line-height:1.8;}

  /* ---------- 新手三步 ---------- */
  .step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
  .step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;min-width:0;position:relative;overflow:hidden;}
  .step-card::after{
    content:attr(data-step);position:absolute;right:12px;top:2px;
    font-size:60px;font-weight:900;color:#EFF6F5;line-height:1;pointer-events:none;
  }
  .step-card h3{font-size:16px;font-weight:800;position:relative;z-index:1;}
  .step-card p{font-size:13.5px;color:var(--muted);margin-top:8px;line-height:1.8;position:relative;z-index:1;}

  /* ---------- 资讯 ---------- */
  .news-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:26px;align-items:start;}
  .news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .news-card{
    display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-md);padding:20px;min-width:0;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#C9E3DE;}
  .news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted);}
  .tag{
    display:inline-block;font-size:12px;font-weight:700;color:var(--brand-d);
    background:var(--brand-l);border-radius:6px;padding:2px 9px;
  }
  .news-card h3{font-size:16px;font-weight:800;line-height:1.6;}
  .news-card p{font-size:13.5px;color:var(--muted);line-height:1.8;}
  .news-more{margin-top:auto;font-size:13px;font-weight:700;color:var(--brand);}
  .news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-sm);}
  .news-side h3{font-size:15px;font-weight:800;display:flex;align-items:center;gap:8px;}
  .news-side h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand);}
  .side-list{margin-top:14px;display:grid;gap:12px;}
  .side-list li{border-bottom:1px dashed var(--line);padding-bottom:12px;}
  .side-list li:last-child{border-bottom:0;padding-bottom:0;}
  .side-list a{font-size:13.5px;color:#33505C;line-height:1.7;display:block;transition:color .2s ease;}
  .side-list a:hover{color:var(--brand-d);}
  .side-list span{display:block;font-size:12px;color:var(--muted);margin-top:4px;}
  .empty-note{
    background:#fff;border:1px dashed var(--line);border-radius:var(--radius-md);
    padding:28px;text-align:center;color:var(--muted);font-size:14px;
  }

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--ink);
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    transition:background .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{background:#F6FBFB;}
  .faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
  .faq-item summary::after{
    content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--brand-l);
    color:var(--brand-d);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
    transition:transform .2s ease;
  }
  .faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
  .faq-answer{padding:0 22px 20px;font-size:14px;color:#3D5763;line-height:1.9;}

  /* ---------- 分类入口 ---------- */
  .entry-card{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
    background:linear-gradient(120deg,#EAF6F4 0%,#FFFFFF 65%);
    border:1px solid #CFE7E2;border-radius:var(--radius-lg);padding:28px 30px;box-shadow:var(--shadow-sm);
  }
  .entry-card h3{font-size:19px;font-weight:800;}
  .entry-card p{font-size:14px;color:var(--muted);margin-top:8px;max-width:680px;line-height:1.8;}

  /* ---------- 提醒条 ---------- */
  .notify-band{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:24px 28px;box-shadow:var(--shadow-sm);
  }
  .notify-band h2{font-size:18px;font-weight:800;}
  .notify-band p{font-size:13.5px;color:var(--muted);margin-top:6px;max-width:640px;line-height:1.8;}

  /* ---------- 收口 ---------- */
  .cta-band{
    background:linear-gradient(135deg,#0E7C6B 0%,#0B5F6B 60%,#0A1B2A 120%);
    color:#fff;border-radius:var(--radius-lg);padding:40px;text-align:center;box-shadow:var(--shadow-lg);
  }
  .cta-band h2{font-size:clamp(21px,2.5vw,28px);font-weight:800;line-height:1.45;}
  .cta-band p{color:#CBE6E2;font-size:14.5px;margin-top:12px;max-width:720px;margin-left:auto;margin-right:auto;line-height:1.9;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:24px;}
  .cta-band .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.3);}
  .cta-band .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#0A1B2A;color:#9FB7BF;padding:56px 0 28px;margin-top:64px;}
  .foot-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(2,minmax(0,1fr)) minmax(0,1.2fr);gap:32px;}
  .foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
  .foot-brand .brand-mark{box-shadow:none;}
  .foot-brand strong{color:#fff;font-size:17px;font-weight:800;}
  .foot-about{font-size:13.5px;line-height:1.9;color:#8FA9B2;}
  .foot-col h4{color:#fff;font-size:14.5px;font-weight:800;margin-bottom:14px;}
  .foot-col ul{display:grid;gap:10px;}
  .foot-col a{font-size:13.5px;color:#9FB7BF;transition:color .2s ease;}
  .foot-col a:hover{color:#6FD3C0;}
  .foot-risk{font-size:12.5px;line-height:1.9;color:#7F99A3;}
  .foot-bottom{
    margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:#7F99A3;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:34px;}
    .hero-panel{max-width:520px;}
    .cap-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-item:nth-child(2){border-right:0;padding-right:0;}
    .news-layout{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (max-width:860px){
    .nav-links{display:none;}
    .nav-toggle{display:inline-flex;}
    .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .topic-grid{grid-template-columns:1fr;}
    .quote-grid{grid-template-columns:1fr;}
    .risk-grid{grid-template-columns:1fr;}
    .step-grid{grid-template-columns:1fr;}
    .scene-cols{grid-template-columns:1fr;}
    .section{padding:48px 0;}
  }
  @media (max-width:620px){
    .brand-text em{display:none;}
    .hero{padding:30px 0 44px;}
    .hero-points{grid-template-columns:1fr;}
    .dl-band{padding:24px;}
    .dl-grid{grid-template-columns:1fr;}
    .cap-grid{grid-template-columns:1fr;}
    .stat-grid{grid-template-columns:1fr;}
    .stat-item{border-right:0;padding-right:0;border-bottom:1px solid var(--line);padding-bottom:14px;}
    .stat-item:last-child{border-bottom:0;padding-bottom:0;}
    .news-grid{grid-template-columns:1fr;}
    .risk-band{padding:26px;}
    .cta-band{padding:28px;}
    .entry-card{padding:22px;}
    .notify-band{padding:20px;}
    .foot-grid{grid-template-columns:1fr;gap:26px;}
    .flow-item{padding:18px;gap:14px;}
    .flow-idx{flex:0 0 36px;height:36px;font-size:14px;}
    .dl-head{align-items:flex-start;}
  }

/* roulang page: category1 */
:root{
  --ink:#0A1B2A;
  --ink-2:#183447;
  --brand:#0E7C6B;
  --brand-d:#0A5F52;
  --brand-l:#E7F4F1;
  --accent:#DE9A2B;
  --accent-l:#FDF3E1;
  --bg:#F4F8F8;
  --card:#FFFFFF;
  --line:#DCE7E7;
  --muted:#5C7580;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(10,27,42,.06);
  --shadow-md:0 14px 34px rgba(10,27,42,.10);
  --shadow-lg:0 24px 60px rgba(10,27,42,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.site-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.section{padding:64px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:800px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand-d);
  background:var(--brand-l);border:1px solid #CFE7E2;
  padding:5px 12px;border-radius:999px;font-weight:600;
}
.section-title{font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:800;letter-spacing:-.01em;margin-top:14px;}
.section-desc{color:var(--muted);font-size:15.5px;margin-top:12px;max-width:860px;}
/* ---------- 导航 ---------- */
.nav-wrap{
  position:sticky;top:0;z-index:80;
  padding:14px 0 0;
  background:linear-gradient(180deg,rgba(244,248,248,.96) 60%,rgba(244,248,248,0));
  backdrop-filter:blur(8px);
}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:18px;
  padding:10px 16px;
  box-shadow:var(--shadow-sm);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(140deg,var(--brand) 0%,#12A18B 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  box-shadow:0 6px 16px rgba(14,124,107,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.04em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:9px 16px;border-radius:11px;font-size:15px;color:var(--ink-2);
  font-weight:500;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-link:hover{background:var(--brand-l);color:var(--brand-d);}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.nav-link.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,124,107,.24);}
.nav-link-dl{background:var(--ink);color:#fff;}
.nav-link-dl:hover{background:#12374d;color:#fff;}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  padding:8px 14px;border-radius:11px;font-size:14px;font-weight:600;cursor:pointer;
}
.nav-mobile{
  display:none;margin-top:10px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:8px;box-shadow:var(--shadow-md);
}
.nav-mobile a{display:block;padding:12px 14px;border-radius:11px;font-size:15px;color:var(--ink-2);}
.nav-mobile a:hover{background:var(--brand-l);color:var(--brand-d);}
.nav-mobile.open{display:block;}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(14,124,107,.26);}
.btn-primary:hover{background:var(--brand-d);transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,124,107,.32);}
.btn-ghost{background:#fff;color:var(--ink-2);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-d);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#12374d;transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#3A2606;box-shadow:0 10px 24px rgba(222,154,43,.28);}
.btn-accent:hover{background:#C8891D;color:#2E1D04;transform:translateY(-2px);}
.btn-block{width:100%;}
/* ---------- 分类首屏 ---------- */
.cat-hero{padding:38px 0 56px;}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:42px;align-items:start;}
.cat-badge-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.cat-flag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-l);color:#8A5A0B;border:1px solid #F2DDB2;
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.cat-hero h1{
  font-size:clamp(26px,3.4vw,40px);line-height:1.3;font-weight:900;
  letter-spacing:-.015em;margin-top:16px;color:var(--ink);
}
.cat-hero h1 .hl{color:var(--brand-d);}
.cat-lead{color:#3D5763;font-size:16px;line-height:1.95;margin-top:16px;}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.cat-tag{
  font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  padding:5px 12px;border-radius:999px;box-shadow:var(--shadow-sm);
}
.cat-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-panel{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);padding:22px;min-width:0;
}
.panel-corner{
  position:absolute;top:-12px;right:18px;
  background:var(--accent);color:#3A2606;font-size:12px;font-weight:800;
  padding:5px 12px;border-radius:10px;
  box-shadow:0 8px 18px rgba(222,154,43,.32);
}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.panel-head strong{font-size:16px;font-weight:800;}
.panel-head span{font-size:12px;color:var(--muted);}
.panel-list{margin-top:14px;display:grid;gap:11px;}
.panel-list li{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;font-size:13.5px;min-width:0;}
.panel-list li span{color:var(--muted);flex:0 0 auto;}
.panel-list li em{font-style:normal;color:var(--ink);font-weight:700;text-align:right;min-width:0;}
.panel-note{
  margin-top:16px;background:var(--brand-l);border:1px solid #CFE7E2;border-radius:var(--radius-sm);
  padding:12px 14px;font-size:13px;color:var(--brand-d);line-height:1.7;
}
/* ---------- 档位卡片 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.tier-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px 20px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C3DED9;}
.tier-mult{
  font-size:26px;font-weight:900;letter-spacing:-.02em;color:var(--brand-d);
  line-height:1.2;
}
.tier-name{font-size:15px;font-weight:800;margin-top:6px;}
.tier-card p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-top:10px;}
.tier-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--ink-2);}
.tier-foot b{color:var(--brand-d);font-weight:700;}
/* ---------- 风控 ---------- */
.split-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start;}
.rule-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-sm);min-width:0;
}
.rule-card h3{font-size:18px;font-weight:800;display:flex;align-items:center;gap:10px;}
.rule-dot{width:10px;height:10px;border-radius:3px;background:var(--brand);flex:0 0 10px;}
.rule-dot.warn{background:var(--accent);}
.rule-card p{font-size:14.5px;color:#3D5763;margin-top:12px;line-height:1.85;}
.rule-list{margin-top:16px;display:grid;gap:10px;}
.rule-list li{display:flex;gap:10px;font-size:14px;color:#3D5763;line-height:1.75;}
.rule-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 6px;margin-top:10px;}
.risk-strip{
  margin-top:24px;background:var(--ink);color:#DDEBEF;border-radius:var(--radius-md);
  padding:20px 24px;font-size:14px;line-height:1.85;
}
.risk-strip strong{color:#fff;}
/* ---------- 费用 ---------- */
.fee-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.fee-card{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-sm);min-width:0;
}
.fee-card h3{font-size:16px;font-weight:800;}
.fee-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-top:10px;}
/* ---------- 时段 ---------- */
.session-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.session-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-sm);min-width:0;position:relative;
  transition:border-color .2s ease,transform .2s ease;
}
.session-card:hover{border-color:#C3DED9;transform:translateY(-3px);}
.session-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;background:var(--brand-l);color:var(--brand-d);
  font-size:13px;font-weight:800;
}
.session-card h3{font-size:15.5px;font-weight:800;margin-top:12px;}
.session-card p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-top:8px;}
/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-sm);min-width:0;
}
.scene-card h3{font-size:16.5px;font-weight:800;display:flex;align-items:center;gap:10px;}
.scene-fit{font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--brand-l);color:var(--brand-d);}
.scene-fit.no{background:#FBEDEC;color:#9B3A30;}
.scene-card p{font-size:14px;color:#3D5763;line-height:1.85;margin-top:10px;}
/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;counter-reset:flow;}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px 18px;box-shadow:var(--shadow-sm);min-width:0;
}
.flow-card::before{
  counter-increment:flow;content:"0" counter(flow);
  display:block;font-size:22px;font-weight:900;color:#C7DCD8;line-height:1;
}
.flow-card h3{font-size:15px;font-weight:800;margin-top:10px;}
.flow-card p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-top:8px;}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:6px 20px;box-shadow:var(--shadow-sm);transition:border-color .2s ease;
}
.faq-item[open]{border-color:#BFDCD6;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:14px 0;font-size:15.5px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:700;color:var(--brand);flex:0 0 auto;line-height:1;
}
.faq-item[open] summary::after{content:"–";}
.faq-item p{font-size:14.5px;color:#3D5763;line-height:1.85;padding:0 0 16px;}
/* ---------- 下载 ---------- */
.dl-band{
  background:linear-gradient(135deg,#0A1B2A 0%,#123A44 60%,#0E5A50 100%);
  border-radius:var(--radius-lg);padding:34px;color:#E9F3F2;
  box-shadow:var(--shadow-lg);
}
.dl-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#fff;line-height:1.4;}
.dl-band p{font-size:14.5px;color:#BBD3D4;margin-top:10px;line-height:1.8;max-width:720px;}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px;}
.dl-card{
  display:flex;flex-direction:column;gap:4px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-md);padding:16px 18px;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
  min-width:0;
}
.dl-card:hover{background:rgba(255,255,255,.17);transform:translateY(-3px);border-color:rgba(255,255,255,.4);}
.dl-card strong{font-size:15.5px;font-weight:800;color:#fff;}
.dl-card span{font-size:12.5px;color:#AECBCE;word-break:break-word;}
.dl-note{margin-top:18px;font-size:12.5px;color:#9FBCBF;line-height:1.75;}
/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-sm);min-width:0;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C3DED9;}
.post-card h3{font-size:16px;font-weight:800;line-height:1.55;}
.post-card h3 a{transition:color .2s ease;}
.post-card h3 a:hover{color:var(--brand-d);}
.post-card p{font-size:13.5px;color:var(--muted);line-height:1.8;margin-top:10px;flex:1 1 auto;}
.post-meta{
  margin-top:16px;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
}
.news-empty{
  grid-column:1 / -1;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-md);
  padding:26px;text-align:center;color:var(--muted);font-size:14.5px;
}
/* ---------- 页脚 ---------- */
.site-footer{background:#08131D;color:#B7C9CE;margin-top:12px;padding:56px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1.2fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:12px;}
.foot-brand strong{font-size:17px;color:#fff;font-weight:800;}
.foot-about{font-size:13.5px;line-height:1.85;color:#8FA6AC;margin-top:14px;max-width:340px;}
.foot-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px;}
.foot-col ul{display:grid;gap:9px;}
.foot-col a{font-size:13.5px;color:#9DB3B8;transition:color .2s ease;}
.foot-col a:hover{color:#fff;}
.foot-risk{font-size:12.5px;line-height:1.8;color:#7D949A;}
.foot-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:#7D949A;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .session-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .fee-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .nav-link{padding:9px 12px;font-size:14px;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-text em{display:none;}
  .split-grid{grid-template-columns:minmax(0,1fr);}
  .scene-grid{grid-template-columns:minmax(0,1fr);}
  .dl-grid{grid-template-columns:minmax(0,1fr);}
  .dl-band{padding:26px 20px;}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-hero{padding:26px 0 42px;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .tier-grid{grid-template-columns:minmax(0,1fr);}
  .session-grid{grid-template-columns:minmax(0,1fr);}
  .fee-grid{grid-template-columns:minmax(0,1fr);}
  .flow-grid{grid-template-columns:minmax(0,1fr);}
  .news-grid{grid-template-columns:minmax(0,1fr);}
  .foot-grid{grid-template-columns:minmax(0,1fr);}
  .cat-actions .btn{width:100%;}
  .brand-text strong{font-size:15.5px;white-space:normal;}
  .nav-shell{padding:10px 12px;gap:10px;}
}

/* roulang page: article */
:root{
  --ink:#0A1B2A;
  --ink-2:#183447;
  --brand:#0E7C6B;
  --brand-d:#0A5F52;
  --brand-l:#E7F4F1;
  --accent:#DE9A2B;
  --accent-l:#FDF3E1;
  --bg:#F4F8F8;
  --card:#FFFFFF;
  --line:#DCE7E7;
  --muted:#5C7580;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(10,27,42,.06);
  --shadow-md:0 14px 34px rgba(10,27,42,.10);
  --shadow-lg:0 24px 60px rgba(10,27,42,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.site-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.section{padding:64px 0;}
.section-sm{padding:44px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand-d);
  background:var(--brand-l);border:1px solid #CFE7E2;
  padding:5px 12px;border-radius:999px;font-weight:600;
}
.section-title{font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:800;letter-spacing:-.01em;margin-top:14px;}
.section-desc{color:var(--muted);font-size:15.5px;margin-top:12px;max-width:820px;}

/* ---------- 导航 ---------- */
.nav-wrap{
  position:sticky;top:0;z-index:80;
  padding:14px 0 0;
  background:linear-gradient(180deg,rgba(244,248,248,.96) 60%,rgba(244,248,248,0));
  backdrop-filter:blur(8px);
}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:18px;
  padding:10px 16px;
  box-shadow:var(--shadow-sm);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(140deg,var(--brand) 0%,#12A18B 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  box-shadow:0 6px 16px rgba(14,124,107,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.04em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:9px 16px;border-radius:11px;font-size:15px;color:var(--ink-2);
  font-weight:500;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-link:hover{background:var(--brand-l);color:var(--brand-d);}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.nav-link.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,124,107,.24);}
.nav-link-dl{background:var(--ink);color:#fff;}
.nav-link-dl:hover{background:#12374d;color:#fff;}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  padding:8px 14px;border-radius:11px;font-size:14px;font-weight:600;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-d);}
.nav-mobile{
  display:none;margin-top:10px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:8px;box-shadow:var(--shadow-md);
}
.nav-mobile a{display:block;padding:12px 14px;border-radius:11px;font-size:15px;color:var(--ink-2);}
.nav-mobile a:hover{background:var(--brand-l);color:var(--brand-d);}
.nav-mobile.open{display:block;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(14,124,107,.26);}
.btn-primary:hover{background:var(--brand-d);transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,124,107,.32);}
.btn-ghost{background:#fff;color:var(--ink-2);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-d);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#12374d;transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- 文章头 ---------- */
.article-hero{padding:40px 0 26px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--brand-d);font-weight:600;}
.crumb a:hover{text-decoration:underline;}
.crumb .sep{color:#B9CCCC;}
.crumb .cur{color:var(--muted);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-size:clamp(24px,3vw,36px);line-height:1.38;font-weight:900;
  letter-spacing:-.015em;margin-top:18px;max-width:920px;
}
.article-hero .lead{color:#3D5763;font-size:16px;line-height:1.9;margin-top:16px;max-width:860px;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-size:13px;color:var(--ink-2);box-shadow:var(--shadow-sm);
}
.meta-chip b{color:var(--brand-d);font-weight:700;}
.meta-chip.tag{background:var(--brand-l);border-color:#CFE7E2;color:var(--brand-d);font-weight:700;}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:32px;align-items:start;
}
.article-body{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  padding:32px;min-width:0;
}
.article-aside{display:grid;gap:18px;min-width:0;position:sticky;top:94px;}
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);padding:22px;min-width:0;
}
.aside-card h3{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:14px;}
.aside-list{display:grid;gap:10px;}
.aside-list li{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--muted);}
.aside-list li b{color:var(--ink-2);font-weight:600;text-align:right;}
.aside-note{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:14px;}
.aside-dl{display:grid;gap:10px;}

/* ---------- CMS 正文排版 ---------- */
.prose{font-size:16.5px;line-height:1.95;color:#243F4C;min-width:0;}
.prose > *:first-child{margin-top:0;}
.prose h2{
  font-size:22px;line-height:1.5;font-weight:800;color:var(--ink);
  margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.prose h3{font-size:18px;line-height:1.55;font-weight:800;color:var(--ink-2);margin:26px 0 10px;}
.prose h4{font-size:16.5px;font-weight:800;color:var(--ink-2);margin:22px 0 8px;}
.prose p{margin:14px 0;}
.prose a{color:var(--brand-d);font-weight:600;text-decoration:underline;text-decoration-color:#9FD3C8;text-underline-offset:3px;}
.prose a:hover{color:var(--brand);}
.prose ul,.prose ol{margin:14px 0;padding-left:24px;}
.prose ul li{list-style:disc;margin:8px 0;}
.prose ol li{list-style:decimal;margin:8px 0;}
.prose blockquote{
  margin:20px 0;padding:16px 20px;background:var(--brand-l);
  border-left:4px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink-2);font-size:15.5px;
}
.prose blockquote p{margin:6px 0;}
.prose img{border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin:20px auto;}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;display:block;overflow-x:auto;}
.prose table th,.prose table td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.prose table th{background:var(--brand-l);color:var(--brand-d);font-weight:700;}
.prose hr{border:none;border-top:1px dashed var(--line);margin:28px 0;}
.prose strong{color:var(--ink);font-weight:800;}

/* ---------- 内容卡片网格 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#C9E3DE;}
.check-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;background:var(--brand-l);
  color:var(--brand-d);font-weight:800;font-size:14px;margin-bottom:12px;
}
.check-card h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.check-card p{font-size:14px;color:var(--muted);line-height:1.85;}

.concept-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.concept-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .2s ease,box-shadow .2s ease;
}
.concept-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.concept-card h3{font-size:15.5px;font-weight:800;color:var(--brand-d);margin-bottom:8px;}
.concept-card p{font-size:13.5px;color:var(--muted);line-height:1.85;}

/* ---------- 风险提示 ---------- */
.risk-strip{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--accent-l);border:1px solid #F2DFB8;
  border-radius:var(--radius-md);padding:20px 22px;
}
.risk-strip .risk-mark{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  background:rgba(222,154,43,.18);color:#8A5A0C;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.risk-strip h3{font-size:15.5px;font-weight:800;color:#7A4E08;margin-bottom:6px;}
.risk-strip p{font-size:14px;color:#7A5A22;line-height:1.85;}

/* ---------- 下载区 ---------- */
.dl-panel{
  background:linear-gradient(135deg,#08161F 0%,#12374d 100%);
  border-radius:var(--radius-lg);padding:34px;color:#fff;
  box-shadow:var(--shadow-md);
}
.dl-panel-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.dl-panel-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#fff;}
.dl-panel-head p{font-size:14px;color:#9FC3C9;margin-top:8px;max-width:620px;line-height:1.8;}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.dl-btn{
  display:flex;flex-direction:column;gap:4px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-md);padding:18px 20px;color:#fff;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.dl-btn:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.34);transform:translateY(-2px);}
.dl-btn:focus-visible{outline:2px solid #7FD9C8;outline-offset:3px;}
.dl-btn strong{font-size:16px;font-weight:800;}
.dl-btn span{font-size:12.5px;color:#9FC3C9;letter-spacing:.02em;}

/* ---------- 继续阅读 ---------- */
.next-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.next-card{
  display:flex;flex-direction:column;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-sm);min-width:0;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.next-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#C9E3DE;}
.next-card .eyebrow{align-self:flex-start;}
.next-card h3{font-size:17px;font-weight:800;color:var(--ink);}
.next-card p{font-size:14px;color:var(--muted);line-height:1.85;}
.next-card .next-go{font-size:14px;font-weight:700;color:var(--brand-d);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);padding:0 22px;
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 0;font-weight:800;font-size:16px;
  color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--brand);font-weight:800;font-size:19px;line-height:1;}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
.faq-body{padding:0 0 20px;font-size:14.5px;color:#3D5763;line-height:1.9;}

/* ---------- 空状态 ---------- */
.empty-state{text-align:center;padding:40px 10px;}
.empty-state h2{font-size:22px;font-weight:800;color:var(--ink);}
.empty-state p{color:var(--muted);font-size:15px;margin:12px 0 22px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#08161F;color:#C7D6DA;padding:52px 0 26px;margin-top:26px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:28px;}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;}
.foot-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:16px;border-radius:11px;}
.foot-about{font-size:13.5px;color:#8FA9B0;line-height:1.85;margin-top:14px;max-width:340px;}
.foot-col h4{font-size:14px;color:#fff;margin:0 0 12px;font-weight:700;}
.foot-col ul{display:grid;gap:8px;}
.foot-col ul li{font-size:13.5px;}
.foot-col ul li a{color:#9DB6BC;transition:color .2s ease;}
.foot-col ul li a:hover{color:#fff;}
.foot-col ul li a:focus-visible{outline:2px solid #7FD9C8;outline-offset:2px;border-radius:4px;}
.foot-risk{font-size:12.5px;color:#8FA9B0;line-height:1.85;}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;
  font-size:12.5px;color:#7E979E;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .article-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
  .concept-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-text em{display:none;}
  .section{padding:48px 0;}
  .section-sm{padding:36px 0;}
  .article-hero{padding:28px 0 20px;}
  .article-body{padding:24px;}
  .article-aside{grid-template-columns:minmax(0,1fr);}
  .check-grid{grid-template-columns:minmax(0,1fr);}
  .dl-grid{grid-template-columns:minmax(0,1fr);}
  .next-grid{grid-template-columns:minmax(0,1fr);}
  .dl-panel{padding:24px;}
  .crumb .cur{display:none;}
  .prose{font-size:16px;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .nav-shell{padding:9px 12px;border-radius:15px;}
  .brand-text strong{font-size:15.5px;}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:17px;border-radius:12px;}
  .article-body{padding:20px;border-radius:16px;}
  .concept-grid{grid-template-columns:minmax(0,1fr);}
  .foot-grid{grid-template-columns:minmax(0,1fr);}
  .risk-strip{flex-direction:column;gap:10px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
}