/* roulang page: index */
:root{
      --bg:#f6f8fb;
      --surface:#ffffff;
      --surface-soft:#f0f5ff;
      --ink:#172033;
      --muted:#657085;
      --muted-2:#8791a4;
      --primary:#2759ff;
      --primary-dark:#1d43c5;
      --primary-soft:#eaf0ff;
      --accent:#18a999;
      --warning:#ff8a3d;
      --danger:#e64242;
      --border:#dfe6f2;
      --border-strong:#c7d2e5;
      --shadow:0 18px 50px rgba(22,38,70,.10);
      --shadow-soft:0 10px 30px rgba(22,38,70,.08);
      --radius:22px;
      --radius-lg:32px;
      --radius-sm:14px;
      --container:1180px;
      --header-h:76px;
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(39,89,255,.10), transparent 32rem),
        linear-gradient(180deg,#fbfdff 0%,var(--bg) 52%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    :focus-visible{outline:3px solid rgba(39,89,255,.35);outline-offset:3px}
    .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(223,230,242,.78);
    }
    .nav{
      height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .logo-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#7a5cff 58%,var(--accent));
      box-shadow:0 12px 26px rgba(39,89,255,.22);
      flex:0 0 auto;
    }
    .logo-text{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:6px;
      border:1px solid var(--border);
      background:rgba(246,248,251,.75);
      border-radius:999px;
    }
    .nav-links a{
      padding:9px 16px;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      transition:.22s ease;
    }
    .nav-links a:hover{color:var(--primary);background:#fff;box-shadow:var(--shadow-soft)}
    .nav-links a.active{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(39,89,255,.24)}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      border-radius:999px;
      padding:12px 20px;
      font-weight:800;
      cursor:pointer;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 14px 30px rgba(39,89,255,.26)}
    .btn-primary:hover{background:var(--primary-dark)}
    .btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--border);box-shadow:var(--shadow-soft)}
    .btn-ghost:hover{border-color:rgba(39,89,255,.35);background:var(--primary-soft)}
    .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:14px;background:#fff;color:var(--ink)}
    .hero{
      position:relative;
      isolation:isolate;
      min-height:720px;
      display:flex;
      align-items:center;
      padding:96px 0 78px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(11,22,46,.84) 0%,rgba(11,22,46,.62) 44%,rgba(11,22,46,.28) 100%),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -12% -28% -12%;
      height:340px;
      background:linear-gradient(180deg,transparent,rgba(246,248,251,.96) 70%,var(--bg));
      z-index:-1;
    }
    .hero-layout{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:42px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.24);
      color:#e9efff;
      font-weight:800;
      backdrop-filter:blur(10px);
      margin-bottom:22px;
    }
    .eyebrow i{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(24,169,153,.16);
    }
    h1{
      max-width:820px;
      color:#fff;
      font-size:clamp(40px,6vw,78px);
      line-height:1.06;
      letter-spacing:-.06em;
      font-weight:950;
      margin-bottom:22px;
    }
    .hero-subtitle{
      max-width:760px;
      color:rgba(255,255,255,.86);
      font-size:19px;
      line-height:1.9;
      margin-bottom:30px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
    .hero .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.25);box-shadow:none}
    .hero .btn-ghost:hover{background:rgba(255,255,255,.24)}
    .hero-notes{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      max-width:820px;
    }
    .note{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.20);
      color:#fff;
      backdrop-filter:blur(12px);
    }
    .note strong{display:block;font-size:22px;line-height:1.1;margin-bottom:5px}
    .note span{color:rgba(255,255,255,.78);font-size:14px}
    .safety-panel{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(255,255,255,.55);
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:0 28px 80px rgba(0,0,0,.24);
      align-self:stretch;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .panel-top{display:flex;align-items:center;gap:14px;margin-bottom:20px}
    .panel-icon{
      width:54px;height:54px;border-radius:19px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:26px;
    }
    .panel-top h2{font-size:24px;line-height:1.25}
    .check-list{display:grid;gap:12px;margin:20px 0}
    .check-list li{
      list-style:none;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      padding:12px 14px;
      border-radius:16px;
      background:#f7f9fe;
      border:1px solid var(--border);
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 24px;
      height:24px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(24,169,153,.12);
      color:var(--accent);
      font-weight:900;
      margin-top:2px;
    }
    .section{padding:88px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:26px;
      margin-bottom:34px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:900;
      letter-spacing:.08em;
      font-size:13px;
      margin-bottom:8px;
    }
    .section-title{
      font-size:clamp(28px,3.8vw,46px);
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:950;
    }
    .section-desc{
      color:var(--muted);
      max-width:560px;
      font-size:16px;
    }
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
    .card{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
      overflow:hidden;
    }
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(39,89,255,.28)}
    .feature-card{padding:26px}
    .feature-icon{
      width:48px;height:48px;border-radius:17px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#7a5cff);
      margin-bottom:18px;
      font-size:22px;
    }
    .feature-card h3,.content-card h3,.faq-item h3{font-size:20px;line-height:1.35;margin-bottom:10px}
    .feature-card p,.content-card p,.faq-item p{color:var(--muted)}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
    .tag{
      display:inline-flex;
      align-items:center;
      border:1px solid var(--border);
      background:#fff;
      color:var(--muted);
      border-radius:999px;
      padding:6px 10px;
      font-size:13px;
      font-weight:700;
    }
    .image-card img{width:100%;height:250px;object-fit:cover}
    .content-card{padding:22px}
    .content-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:var(--muted-2);font-size:13px;margin-bottom:12px}
    .badge{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:900;
      background:var(--primary-soft);
      color:var(--primary);
    }
    .split{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:36px;
      align-items:center;
    }
    .media-frame{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
      min-height:420px;
      background:#dfe6f2;
    }
    .media-frame img{width:100%;height:100%;min-height:420px;object-fit:cover}
    .media-frame::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 40%,rgba(14,24,44,.62));
    }
    .media-caption{
      position:absolute;
      left:24px;
      right:24px;
      bottom:24px;
      z-index:2;
      color:#fff;
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.22);
      backdrop-filter:blur(12px);
    }
    .steps{display:grid;gap:14px}
    .step{
      display:grid;
      grid-template-columns:44px 1fr;
      gap:15px;
      padding:18px;
      border:1px solid var(--border);
      border-radius:20px;
      background:#fff;
      box-shadow:0 8px 22px rgba(22,38,70,.05);
    }
    .step-num{
      width:44px;height:44px;border-radius:15px;
      display:grid;place-items:center;
      background:var(--surface-soft);
      color:var(--primary);
      font-weight:950;
    }
    .step h3{font-size:18px;margin-bottom:4px}
    .step p{color:var(--muted)}
    .alert-band{
      background:linear-gradient(135deg,#14213d,#233a78 64%,#136f63);
      color:#fff;
      border-radius:var(--radius-lg);
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .alert-band::before{
      content:"";
      position:absolute;
      width:280px;height:280px;border-radius:50%;
      right:-80px;top:-120px;
      background:rgba(255,255,255,.12);
    }
    .alert-band h2{font-size:30px;line-height:1.25;margin-bottom:8px}
    .alert-band p{color:rgba(255,255,255,.80);max-width:760px}
    .list-section{background:linear-gradient(180deg,rgba(234,240,255,.55),rgba(255,255,255,.65))}
    .news-list{display:grid;gap:14px}
    .news-item{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
      padding:20px;
      border:1px solid var(--border);
      background:#fff;
      border-radius:20px;
      box-shadow:0 8px 22px rgba(22,38,70,.05);
      transition:.22s ease;
    }
    .news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft);border-color:rgba(39,89,255,.28)}
    .news-item h3{font-size:18px;margin-bottom:6px}
    .news-item p{color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .news-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:var(--muted-2);font-size:13px;margin-bottom:7px}
    .empty{
      padding:24px;
      border:1px dashed var(--border-strong);
      border-radius:20px;
      background:#fff;
      color:var(--muted);
      text-align:center;
    }
    .evidence{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .stat{
      padding:24px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .stat strong{display:block;font-size:34px;line-height:1.1;color:var(--primary);letter-spacing:-.04em}
    .stat span{display:block;margin-top:8px;color:var(--muted)}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:start}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      padding:22px;
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      box-shadow:0 8px 22px rgba(22,38,70,.05);
    }
    .cta{
      padding:0 0 88px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:54px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(16,31,68,.94),rgba(39,89,255,.84)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .cta-box::after{
      content:"";
      position:absolute;
      width:360px;height:360px;border-radius:50%;
      background:rgba(255,255,255,.12);
      right:-140px;bottom:-180px;
    }
    .cta-content{position:relative;z-index:2;max-width:780px}
    .cta h2{font-size:clamp(30px,4vw,48px);line-height:1.18;letter-spacing:-.04em;margin-bottom:14px}
    .cta p{color:rgba(255,255,255,.82);font-size:18px;margin-bottom:24px}
    .report-form{
      display:grid;
      grid-template-columns:1fr auto;
      gap:12px;
      max-width:680px;
      margin-top:22px;
    }
    .report-form input{
      width:100%;
      border:1px solid rgba(255,255,255,.26);
      background:rgba(255,255,255,.14);
      color:#fff;
      border-radius:999px;
      padding:14px 18px;
      outline:none;
      backdrop-filter:blur(10px);
    }
    .report-form input::placeholder{color:rgba(255,255,255,.70)}
    .report-form .btn{background:#fff;color:var(--primary)}
    .site-footer{
      background:#10182a;
      color:#dfe6f2;
      padding:52px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:30px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{font-size:20px;font-weight:950;margin-bottom:12px}
    .footer-grid p{color:#aeb8cc}
    .footer-links{display:grid;gap:10px}
    .footer-links h3{font-size:16px;margin-bottom:6px;color:#fff}
    .footer-links a{
      color:#aeb8cc;
      transition:.2s ease;
      width:max-content;
    }
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:#94a0b8;
      padding-top:22px;
      font-size:14px;
    }
    @media (max-width:1024px){
      .hero{min-height:auto;padding:82px 0 64px}
      .hero-layout,.split,.faq-wrap{grid-template-columns:1fr}
      .safety-panel{max-width:720px}
      .grid-3{grid-template-columns:repeat(2,1fr)}
      .evidence{grid-template-columns:repeat(2,1fr)}
      .section-head{align-items:flex-start;flex-direction:column}
      .alert-band{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .nav{height:68px}
      .logo-text{max-width:190px}
      .menu-toggle{display:grid;place-items:center}
      .nav-links{
        position:absolute;
        top:76px;
        left:14px;
        right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:22px;
        padding:12px;
        background:#fff;
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{text-align:center}
      .nav-actions .btn{display:none}
      .hero-notes{grid-template-columns:1fr}
      .grid-3,.grid-2,.evidence,.footer-grid{grid-template-columns:1fr}
      .section{padding:64px 0}
      .news-item{grid-template-columns:1fr}
      .report-form{grid-template-columns:1fr}
      .cta-box{padding:34px 24px;border-radius:28px}
    }
    @media (max-width:520px){
      h1{font-size:38px}
      .hero-subtitle{font-size:16px}
      .hero-actions .btn{width:100%}
      .safety-panel{padding:20px;border-radius:24px}
      .section-title{font-size:29px}
      .media-frame,.media-frame img{min-height:320px}
      .alert-band{padding:24px;border-radius:26px}
      .stat strong{font-size:28px}
      .copyright{flex-direction:column}
    }

/* roulang page: article */
:root{
      --bg:#f6f8fb;
      --surface:#ffffff;
      --surface-soft:#f0f5ff;
      --ink:#172033;
      --muted:#657085;
      --muted-2:#8791a4;
      --primary:#2759ff;
      --primary-dark:#1d43c5;
      --primary-soft:#eaf0ff;
      --accent:#18a999;
      --warning:#ff8a3d;
      --danger:#e64242;
      --border:#dfe6f2;
      --border-strong:#c7d2e5;
      --shadow:0 18px 50px rgba(22,38,70,.10);
      --shadow-soft:0 10px 30px rgba(22,38,70,.08);
      --radius:22px;
      --radius-lg:32px;
      --radius-sm:14px;
      --container:1180px;
      --header-h:76px;
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(39,89,255,.10), transparent 32rem),
        linear-gradient(180deg,#fbfdff 0%,var(--bg) 52%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(39,89,255,.16);color:var(--primary-dark)}
    :focus-visible{outline:3px solid rgba(39,89,255,.28);outline-offset:3px}
    .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(223,230,242,.78);
    }
    .nav{
      height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .logo-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#7a5cff 58%,var(--accent));
      box-shadow:0 12px 26px rgba(39,89,255,.22);
      flex:0 0 auto;
    }
    .logo-text{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:6px;
      border:1px solid var(--border);
      background:rgba(246,248,251,.75);
      border-radius:999px;
    }
    .nav-links a{
      padding:9px 16px;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      transition:.22s ease;
    }
    .nav-links a:hover{color:var(--primary);background:#fff;box-shadow:var(--shadow-soft)}
    .nav-links a.active{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(39,89,255,.24)}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      border-radius:999px;
      padding:12px 20px;
      font-weight:800;
      cursor:pointer;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 14px 30px rgba(39,89,255,.26)}
    .btn-primary:hover{background:var(--primary-dark);color:#fff}
    .btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--border);box-shadow:var(--shadow-soft)}
    .btn-ghost:hover{border-color:rgba(39,89,255,.35);background:var(--primary-soft);color:var(--primary-dark)}
    .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:14px;background:#fff;color:var(--ink)}
    .article-hero{
      position:relative;
      isolation:isolate;
      padding:78px 0 64px;
      color:#fff;
      overflow:hidden;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(105deg,rgba(11,22,46,.86) 0%,rgba(11,22,46,.72) 48%,rgba(39,89,255,.38) 100%),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      z-index:-2;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      inset:auto -10% -34% -10%;
      height:260px;
      background:linear-gradient(180deg,transparent,rgba(246,248,251,.96) 72%,var(--bg));
      z-index:-1;
    }
    .crumb{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.78);
      font-size:14px;
      font-weight:700;
      margin-bottom:26px;
    }
    .crumb a{transition:.2s ease}
    .crumb a:hover{color:#fff}
    .crumb span{opacity:.72}
    .hero-tag{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.24);
      color:#e9efff;
      font-weight:800;
      backdrop-filter:blur(10px);
      margin-bottom:18px;
    }
    .hero-tag i{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(24,169,153,.16);
    }
    .article-hero h1{
      max-width:920px;
      margin:0;
      font-size:clamp(34px,5vw,62px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:950;
    }
    .hero-desc{
      max-width:850px;
      margin:22px 0 0;
      color:rgba(255,255,255,.84);
      font-size:18px;
      line-height:1.9;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.22);
      color:rgba(255,255,255,.90);
      font-weight:700;
    }
    main{position:relative;z-index:1}
    .section{padding:82px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:26px;
      margin-bottom:32px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:900;
      letter-spacing:.06em;
      margin-bottom:8px;
    }
    .section-title{
      margin:0;
      font-weight:950;
      letter-spacing:-.035em;
      font-size:clamp(28px,3.4vw,44px);
      line-height:1.22;
    }
    .section-desc{
      max-width:660px;
      color:var(--muted);
      margin:12px 0 0;
      font-size:17px;
    }
    .article-shell{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:30px;
      align-items:start;
    }
    .article-card,.side-card,.info-card,.faq-item,.cta-panel{
      background:rgba(255,255,255,.92);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .article-card{
      overflow:hidden;
    }
    .article-cover{
      position:relative;
      min-height:280px;
      overflow:hidden;
      background:#101a31;
    }
    .article-cover img{
      width:100%;
      height:340px;
      object-fit:cover;
      opacity:.88;
    }
    .article-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(12,24,48,.08),rgba(12,24,48,.58));
    }
    .cover-label{
      position:absolute;
      left:24px;
      bottom:22px;
      z-index:2;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      color:var(--primary);
      background:var(--primary-soft);
      font-weight:850;
      border:1px solid rgba(39,89,255,.14);
    }
    .badge-danger{color:var(--danger);background:rgba(230,66,66,.10);border-color:rgba(230,66,66,.18)}
    .badge-safe{color:var(--accent);background:rgba(24,169,153,.10);border-color:rgba(24,169,153,.18)}
    .article-body{
      padding:34px;
    }
    .cms-content{
      color:#2b3548;
      font-size:17px;
      line-height:2;
    }
    .cms-content h2,.cms-content h3,.cms-content h4{
      color:var(--ink);
      letter-spacing:-.025em;
      line-height:1.32;
      margin:32px 0 14px;
      font-weight:950;
    }
    .cms-content h2{font-size:30px}
    .cms-content h3{font-size:24px}
    .cms-content p{margin:0 0 18px}
    .cms-content a{
      color:var(--primary);
      font-weight:800;
      border-bottom:1px solid rgba(39,89,255,.22);
    }
    .cms-content a:hover{color:var(--primary-dark);border-color:var(--primary-dark)}
    .cms-content ul,.cms-content ol{padding-left:1.35em;margin:18px 0}
    .cms-content li{margin:8px 0}
    .cms-content blockquote{
      margin:26px 0;
      padding:18px 22px;
      border-left:5px solid var(--primary);
      border-radius:0 var(--radius-sm) var(--radius-sm) 0;
      background:var(--primary-soft);
      color:#293b63;
      font-weight:700;
    }
    .cms-content img{
      border-radius:18px;
      margin:22px 0;
      box-shadow:var(--shadow-soft);
      border:1px solid var(--border);
    }
    .not-found{
      text-align:center;
      padding:62px 20px;
      background:linear-gradient(180deg,#fff,var(--surface-soft));
      border-radius:var(--radius);
      border:1px dashed var(--border-strong);
    }
    .not-found h2{
      margin:0 0 12px;
      font-size:30px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .not-found p{color:var(--muted);margin:0 0 24px}
    .sidebar{
      position:sticky;
      top:calc(var(--header-h) + 22px);
      display:grid;
      gap:18px;
    }
    .side-card{padding:22px}
    .side-card h2,.side-card h3{
      margin:0 0 14px;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .side-card p{color:var(--muted);margin:0 0 16px}
    .toc-list,.quick-list,.check-list{display:grid;gap:10px;margin:0;padding:0}
    .toc-list li,.quick-list li,.check-list li{list-style:none}
    .toc-list a,.quick-list a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:15px;
      color:var(--muted);
      background:#f7f9fe;
      border:1px solid var(--border);
      font-weight:750;
      transition:.22s ease;
    }
    .toc-list a:hover,.quick-list a:hover{
      color:var(--primary);
      background:#fff;
      transform:translateX(3px);
      box-shadow:var(--shadow-soft);
    }
    .alert-box{
      display:flex;
      gap:12px;
      padding:16px;
      border-radius:18px;
      background:rgba(230,66,66,.08);
      border:1px solid rgba(230,66,66,.16);
      color:#823030;
      font-weight:750;
    }
    .alert-icon{
      flex:0 0 34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:rgba(230,66,66,.12);
      color:var(--danger);
      font-weight:950;
    }
    .guide-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .info-card{
      padding:24px;
      transition:.24s ease;
      position:relative;
      overflow:hidden;
    }
    .info-card::before{
      content:"";
      position:absolute;
      right:-44px;
      top:-44px;
      width:118px;
      height:118px;
      border-radius:50%;
      background:rgba(39,89,255,.08);
    }
    .info-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow);
      border-color:rgba(39,89,255,.22);
    }
    .info-icon{
      width:48px;
      height:48px;
      border-radius:17px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#7a5cff);
      box-shadow:0 12px 24px rgba(39,89,255,.18);
      margin-bottom:18px;
      font-weight:950;
    }
    .info-card:nth-child(2) .info-icon{background:linear-gradient(135deg,var(--accent),#55c7b9)}
    .info-card:nth-child(3) .info-icon{background:linear-gradient(135deg,var(--warning),#ffb067)}
    .info-card h3{font-size:21px;margin:0 0 10px;font-weight:950}
    .info-card p{color:var(--muted);margin:0}
    .report-section{
      background:
        linear-gradient(180deg,rgba(255,255,255,.64),rgba(240,245,255,.86)),
        url('/assets/images/backpic/back-3.jpg') center/cover fixed;
      border-top:1px solid var(--border);
      border-bottom:1px solid var(--border);
    }
    .report-panel{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:28px;
      align-items:center;
      background:rgba(255,255,255,.90);
      border:1px solid rgba(223,230,242,.85);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow);
      backdrop-filter:blur(14px);
    }
    .report-image{
      border-radius:24px;
      overflow:hidden;
      min-height:330px;
      background:#0f1b33;
      position:relative;
    }
    .report-image img{
      width:100%;
      height:100%;
      min-height:330px;
      object-fit:cover;
    }
    .report-content{padding:10px 10px 10px 0}
    .steps{counter-reset:step;display:grid;gap:14px;margin:22px 0 0;padding:0}
    .steps li{
      list-style:none;
      counter-increment:step;
      display:flex;
      gap:14px;
      padding:15px;
      border-radius:18px;
      background:#f7f9fe;
      border:1px solid var(--border);
      color:var(--muted);
    }
    .steps li::before{
      content:counter(step);
      flex:0 0 32px;
      height:32px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:var(--primary);
      color:#fff;
      font-weight:950;
      box-shadow:0 10px 20px rgba(39,89,255,.18);
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .related-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:.24s ease;
    }
    .related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(39,89,255,.24)}
    .related-card img{width:100%;height:190px;object-fit:cover}
    .related-card-body{padding:20px}
    .related-card h3{font-size:20px;line-height:1.35;font-weight:950;margin:0 0 10px}
    .related-card p{color:var(--muted);margin:0 0 16px}
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--primary);
      font-weight:850;
      transition:.2s ease;
    }
    .text-link:hover{color:var(--primary-dark);gap:11px}
    .faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
    .faq-item{padding:0;overflow:hidden}
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 24px;
      font-weight:900;
      font-size:17px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      flex:0 0 28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:var(--primary);
      background:var(--primary-soft);
      font-size:22px;
      line-height:1;
      transition:.2s ease;
    }
    .faq-item[open] summary::after{
      content:"−";
      color:#fff;
      background:var(--primary);
    }
    .faq-answer{
      padding:0 24px 21px;
      color:var(--muted);
      border-top:1px solid var(--border);
    }
    .cta-panel{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
      padding:34px 38px;
      color:#fff;
      background:
        linear-gradient(110deg,rgba(23,45,115,.96),rgba(39,89,255,.94)),
        url('/assets/images/backpic/back-1.jpg') center/cover;
      border:0;
      box-shadow:0 20px 48px rgba(39,89,255,.22);
    }
    .cta-panel h2{margin:0 0 8px;font-size:clamp(25px,3vw,36px);font-weight:950;letter-spacing:-.03em}
    .cta-panel p{margin:0;color:rgba(255,255,255,.80);max-width:690px}
    .cta-panel .btn{background:#fff;color:var(--primary);box-shadow:0 12px 24px rgba(11,22,46,.18)}
    .cta-panel .btn:hover{background:var(--primary-soft);color:var(--primary-dark)}
    .site-footer{
      padding:62px 0 24px;
      color:#dbe4f6;
      background:#111b31;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr .7fr .8fr;
      gap:40px;
      padding-bottom:38px;
    }
    .footer-brand{font-size:22px;font-weight:950;letter-spacing:-.03em;margin-bottom:12px;color:#fff}
    .footer-grid p{max-width:440px;color:#aebbd3;margin:0}
    .footer-links{display:grid;align-content:start;gap:8px}
    .footer-links h3{color:#fff;font-size:16px;margin:0 0 8px;font-weight:900}
    .footer-links a{color:#aebbd3;transition:.2s ease}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      border-top:1px solid rgba(219,228,246,.14);
      color:#8d9bb7;
      font-size:13px;
    }
    @media (max-width:1024px){
      .article-shell{grid-template-columns:minmax(0,1fr) 290px;gap:22px}
      .report-panel{grid-template-columns:1fr 1fr}
      .guide-grid,.related-grid{gap:16px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 30px),var(--container))}
      .nav-actions{display:none}
      .menu-toggle{display:grid;place-items:center}
      .nav-links{
        position:absolute;
        top:calc(100% + 10px);
        left:15px;
        right:15px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:20px;
        padding:8px;
        background:#fff;
        box-shadow:var(--shadow);
      }
      .nav-links.is-open{display:flex}
      .nav-links a{text-align:center}
      .article-hero{padding:62px 0 54px}
      .article-hero h1{font-size:clamp(32px,8vw,50px)}
      .article-shell,.report-panel{grid-template-columns:1fr}
      .sidebar{position:static}
      .article-body{padding:24px}
      .guide-grid,.related-grid{grid-template-columns:1fr 1fr}
      .report-content{padding:4px}
      .cta-panel{align-items:flex-start;flex-direction:column;padding:28px}
      .footer-grid{grid-template-columns:1.2fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:520px){
      .section{padding:58px 0}
      .nav{height:68px}
      :root{--header-h:68px}
      .logo-mark{width:38px;height:38px;border-radius:13px}
      .logo-text{font-size:16px}
      .article-hero{padding:48px 0 45px}
      .hero-desc{font-size:16px}
      .meta-row{gap:8px}
      .meta-pill{font-size:13px;padding:7px 10px}
      .article-cover img{height:230px}
      .article-body{padding:20px}
      .cms-content{font-size:16px;line-height:1.9}
      .cms-content h2{font-size:26px}
      .cms-content h3{font-size:22px}
      .guide-grid,.related-grid{grid-template-columns:1fr}
      .section-head{display:block;margin-bottom:24px}
      .section-title{font-size:30px}
      .report-image,.report-image img{min-height:240px;height:240px}
      .cta-panel{padding:24px}
      .cta-panel .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .copyright{display:grid;gap:7px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}