/* roulang page: index */
:root{
      --primary:#0f5fb8;
      --primary-dark:#084a94;
      --primary-soft:#eaf4ff;
      --primary-softer:#f5faff;
      --accent:#22b8cf;
      --accent-soft:#e6fbff;
      --warm:#f59e0b;
      --warm-soft:#fff7e6;
      --ink:#122033;
      --text:#334155;
      --muted:#64748b;
      --soft:#f8fbff;
      --line:#dbeafe;
      --line-strong:#bfdbfe;
      --white:#ffffff;
      --shadow:0 18px 50px rgba(15,95,184,.12);
      --shadow-soft:0 10px 28px rgba(15,23,42,.08);
      --radius:18px;
      --radius-md:14px;
      --radius-sm:10px;
      --container:1180px;
      --safe-bottom:88px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 5%, rgba(34,184,207,.12), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(15,95,184,.10), transparent 28%),
        linear-gradient(180deg,#f7fbff 0%,#ffffff 38%,#f8fbff 100%);
      line-height:1.7;
      padding-bottom:var(--safe-bottom);
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:#bfdbfe;color:#082f49}
    .container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }
    .skip-link{
      position:absolute;left:-999px;top:8px;background:var(--primary);color:#fff;
      padding:10px 14px;border-radius:10px;z-index:1000;
    }
    .skip-link:focus{left:16px}
    .site-header{
      position:fixed;
      top:18px;
      left:0;
      right:0;
      z-index:100;
      pointer-events:none;
    }
    .dock{
      width:min(calc(100% - 36px),1120px);
      margin:0 auto;
      pointer-events:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:10px 12px;
      border:1px solid rgba(191,219,254,.9);
      border-radius:999px;
      background:rgba(255,255,255,.88);
      box-shadow:0 16px 42px rgba(15,23,42,.10);
      backdrop-filter:blur(16px);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      padding:4px 8px 4px 4px;
      border-radius:999px;
      transition:.2s ease;
    }
    .brand:hover{background:var(--primary-soft)}
    .brand-mark{
      width:36px;height:36px;border-radius:12px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),#1684d8);
      color:#fff;
      box-shadow:0 10px 22px rgba(15,95,184,.26);
      flex:0 0 auto;
    }
    .brand-mark svg{width:19px;height:19px}
    .brand-text{
      color:var(--ink);
      font-weight:800;
      font-size:15px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:300px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      padding:0 4px;
    }
    .nav-links a{
      color:#475569;
      font-weight:700;
      font-size:14px;
      padding:10px 14px;
      border-radius:999px;
      transition:.2s ease;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:var(--primary-dark);
      background:var(--primary-soft);
      transform:translateY(-1px);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .search-box{
      display:flex;
      align-items:center;
      gap:8px;
      min-width:230px;
      border:1px solid #dbeafe;
      background:#f8fbff;
      border-radius:999px;
      padding:7px 12px;
      transition:.2s ease;
    }
    .search-box:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 3px rgba(15,95,184,.12);
      background:#fff;
    }
    .search-box svg{width:16px;height:16px;color:var(--muted)}
    .search-box input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      font-size:14px;
    }
    .search-box input::placeholder{color:#94a3b8}
    .menu-btn{
      display:none;
      border:0;
      background:var(--primary-soft);
      color:var(--primary-dark);
      border-radius:999px;
      padding:9px 12px;
      font-weight:800;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:13px;
      border:1px solid transparent;
      font-weight:800;
      letter-spacing:.01em;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .btn svg{width:18px;height:18px}
    .btn-primary{
      color:#fff;
      background:var(--primary);
      box-shadow:0 12px 26px rgba(15,95,184,.22);
    }
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,95,184,.28)}
    .btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(15,95,184,.20)}
    .btn-secondary{
      background:#fff;
      color:var(--primary-dark);
      border-color:var(--line-strong);
      box-shadow:0 8px 20px rgba(15,23,42,.06);
    }
    .btn-secondary:hover{background:var(--primary-soft);border-color:#93c5fd;transform:translateY(-2px)}
    .btn-ghost{
      background:var(--primary-soft);
      color:var(--primary-dark);
      border-color:transparent;
    }
    .btn-ghost:hover{background:#dff0ff;transform:translateY(-1px)}
    a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
      outline:3px solid rgba(15,95,184,.25);
      outline-offset:3px;
    }
    .main{padding-top:112px}
    section{scroll-margin-top:104px}
    .hero{
      padding:42px 0 82px;
    }
    .hero-panel{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:26px;
      align-items:stretch;
      padding:28px;
      border:1px solid rgba(191,219,254,.85);
      border-radius:30px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.96),rgba(245,250,255,.92)),
        radial-gradient(circle at 78% 18%, rgba(34,184,207,.14), transparent 34%);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:300px;height:300px;
      border-radius:50%;
      background:rgba(15,95,184,.08);
      pointer-events:none;
    }
    .hero-copy{position:relative;z-index:1;padding:14px 4px 12px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      background:var(--accent-soft);
      color:#0f766e;
      font-weight:800;
      font-size:13px;
      border:1px solid #c7f9ff;
      margin-bottom:18px;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(34,184,207,.13);
    }
    h1{
      margin:0;
      color:var(--ink);
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      letter-spacing:-.02em;
      font-weight:900;
    }
    .hero-desc{
      margin:20px 0 0;
      max-width:690px;
      font-size:18px;
      color:#475569;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-data{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .data-pill{
      display:flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border:1px dashed #bfdbfe;
      background:#fff;
      border-radius:999px;
      color:#475569;
      font-size:14px;
      box-shadow:0 8px 20px rgba(15,23,42,.04);
    }
    .data-pill strong{color:var(--primary-dark)}
    .lead-form-card{
      position:relative;
      z-index:1;
      background:#fff;
      border:1px solid #dbeafe;
      border-radius:24px;
      padding:20px;
      box-shadow:0 18px 44px rgba(15,23,42,.10);
      display:grid;
      gap:16px;
    }
    .cover{
      min-height:255px;
      border-radius:20px;
      background:
        linear-gradient(145deg,#0f5fb8 0%,#1479ca 46%,#eaf4ff 46%,#ffffff 100%);
      position:relative;
      overflow:hidden;
      padding:22px;
      color:#fff;
    }
    .cover:after{
      content:"MP4";
      position:absolute;
      right:18px;
      bottom:4px;
      font-size:72px;
      font-weight:900;
      color:rgba(15,95,184,.10);
      letter-spacing:-.06em;
    }
    .cover-ticket{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border:1px dashed rgba(255,255,255,.65);
      border-radius:999px;
      background:rgba(255,255,255,.13);
      font-weight:800;
      font-size:13px;
    }
    .cover h2{
      color:#fff;
      margin:34px 0 10px;
      font-size:28px;
      line-height:1.25;
    }
    .cover p{
      max-width:330px;
      margin:0;
      color:rgba(255,255,255,.88);
      font-size:15px;
    }
    .outline{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .outline li{
      border:1px solid #e0efff;
      background:#f8fbff;
      border-radius:14px;
      padding:12px;
      font-weight:800;
      color:#1e3a5f;
      font-size:14px;
    }
    .mini-form{
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
      padding:12px;
      border:1px solid #dbeafe;
      border-radius:18px;
      background:#f8fbff;
    }
    .mini-form input{
      border:0;
      outline:0;
      background:#fff;
      border-radius:12px;
      padding:0 14px;
      color:var(--ink);
      min-height:44px;
      border:1px solid transparent;
    }
    .mini-form input:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 3px rgba(15,95,184,.10);
    }
    .section{
      padding:76px 0;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-end;
      margin-bottom:28px;
    }
    .section-kicker{
      margin:0 0 8px;
      color:var(--primary);
      font-weight:900;
      font-size:14px;
      letter-spacing:.04em;
    }
    .section-title{
      margin:0;
      color:var(--ink);
      font-size:clamp(26px,3.2vw,40px);
      line-height:1.25;
      letter-spacing:-.01em;
      font-weight:900;
    }
    .section-desc{
      margin:0;
      max-width:620px;
      color:var(--muted);
      font-size:16px;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .ticket-card{
      position:relative;
      background:#fff;
      border:1px solid #dbeafe;
      border-radius:18px;
      padding:22px;
      box-shadow:var(--shadow-soft);
      transition:.2s ease;
      overflow:hidden;
    }
    .ticket-card:before,.ticket-card:after{
      content:"";
      position:absolute;
      width:22px;height:22px;
      border-radius:50%;
      background:#f7fbff;
      top:54px;
      border:1px solid #dbeafe;
    }
    .ticket-card:before{left:-12px}
    .ticket-card:after{right:-12px}
    .ticket-card:hover{
      transform:translateY(-2px);
      border-color:#93c5fd;
      box-shadow:0 18px 38px rgba(15,95,184,.14);
    }
    .ticket-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding-bottom:16px;
      border-bottom:1px dashed #bfdbfe;
      margin-bottom:18px;
    }
    .icon-badge{
      width:42px;height:42px;
      border-radius:14px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
    }
    .icon-badge svg{width:22px;height:22px}
    .ticket-no{
      font-weight:900;
      color:#94a3b8;
      font-size:13px;
    }
    .ticket-card h3{
      margin:0 0 9px;
      color:var(--ink);
      font-size:20px;
    }
    .ticket-card p{margin:0;color:#58677c;font-size:15px}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      border:1px solid transparent;
    }
    .badge.blue{background:var(--primary-soft);color:#07559f;border-color:#dbeafe}
    .badge.cyan{background:var(--accent-soft);color:#0f766e;border-color:#c7f9ff}
    .badge.orange{background:var(--warm-soft);color:#92400e;border-color:#fde68a}
    .spec-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:20px;
      align-items:start;
    }
    .spec-card{
      background:#fff;
      border:1px solid #dbeafe;
      border-radius:22px;
      box-shadow:var(--shadow-soft);
      padding:24px;
    }
    .spec-card.highlight{
      background:linear-gradient(180deg,#ffffff,#f5faff);
    }
    .spec-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .spec-list li{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:center;
      padding:14px 0;
      border-bottom:1px solid #eaf2ff;
    }
    .spec-list li:last-child{border-bottom:0}
    .spec-label{color:#64748b;font-weight:700}
    .spec-value{color:#18324f;font-weight:900;text-align:right}
    .kpi-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .kpi{
      min-height:128px;
      border:1px solid #dbeafe;
      border-radius:18px;
      background:#fff;
      padding:18px;
      box-shadow:0 10px 24px rgba(15,23,42,.05);
    }
    .kpi strong{
      display:block;
      color:var(--primary-dark);
      font-size:28px;
      line-height:1;
      margin-bottom:10px;
    }
    .kpi span{color:#64748b;font-size:14px}
    .updates-section{
      background:linear-gradient(180deg,#f5faff,#ffffff);
      border-top:1px solid #e0efff;
      border-bottom:1px solid #e0efff;
    }
    .updates-layout{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:20px;
      align-items:start;
    }
    .updates-list{
      display:grid;
      gap:12px;
    }
    .update-item{
      display:grid;
      grid-template-columns:112px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      background:#fff;
      border:1px solid #dbeafe;
      border-radius:18px;
      box-shadow:0 10px 26px rgba(15,23,42,.05);
      transition:.2s ease;
    }
    .update-item:hover{
      background:#f7fbff;
      border-color:#93c5fd;
      transform:translateY(-1px);
      box-shadow:0 16px 34px rgba(15,95,184,.10);
    }
    .date-chip{
      display:grid;
      gap:2px;
      justify-items:center;
      align-content:center;
      min-height:74px;
      border:1px dashed #bfdbfe;
      border-radius:16px;
      background:var(--primary-soft);
      color:#07559f;
      font-weight:900;
      text-align:center;
      padding:10px;
      font-size:13px;
    }
    .update-body h3{
      margin:0 0 6px;
      color:var(--ink);
      font-size:18px;
      line-height:1.35;
    }
    .update-item:hover h3{color:var(--primary-dark)}
    .update-body p{
      margin:0;
      color:#64748b;
      font-size:14px;
      line-height:1.65;
    }
    .update-link{
      color:var(--primary);
      font-weight:900;
      display:inline-flex;
      align-items:center;
      gap:6px;
      white-space:nowrap;
    }
    .update-link span{transition:.2s ease}
    .update-item:hover .update-link span{transform:translateX(3px)}
    .empty-state{
      background:#fff;
      border:1px dashed #bfdbfe;
      border-radius:20px;
      padding:34px;
      text-align:center;
      color:#64748b;
      box-shadow:var(--shadow-soft);
    }
    .empty-state .empty-icon{
      width:50px;height:50px;
      display:grid;place-items:center;
      margin:0 auto 12px;
      border-radius:18px;
      background:var(--primary-soft);
      color:var(--primary);
    }
    .side-panel{
      position:sticky;
      top:112px;
      background:#fff;
      border:1px solid #dbeafe;
      border-radius:22px;
      padding:22px;
      box-shadow:var(--shadow-soft);
    }
    .side-panel h3{margin:0 0 12px;color:var(--ink);font-size:20px}
    .side-panel p{margin:0 0 18px;color:#64748b;font-size:15px}
    .schedule-mini{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .schedule-mini li{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      padding:12px;
      border-radius:14px;
      background:#f8fbff;
      border:1px solid #e0efff;
      color:#475569;
      font-size:14px;
    }
    .reserve-card{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
      align-items:center;
      padding:26px;
      border-radius:26px;
      background:
        linear-gradient(135deg,#0f5fb8,#1484d6);
      color:#fff;
      box-shadow:0 24px 56px rgba(15,95,184,.22);
      overflow:hidden;
      position:relative;
    }
    .reserve-card:after{
      content:"";
      position:absolute;
      right:-70px;
      top:-90px;
      width:260px;height:260px;
      border-radius:50%;
      background:rgba(255,255,255,.12);
    }
    .reserve-card h2{margin:0 0 12px;color:#fff;font-size:34px;line-height:1.25<think>**Planning CSS and page completion****Extending CSS and building homepage structure****Planning JSON-LD and meta description enhancements****Planning site section order and additions****Implementing updates section with CMS data****Designing FAQ accordion and site layout****Planning homepage section layout****Designing responsive mobile navigation****Implementing details-based mobile menu****Designing responsive navigation structure****Planning responsive layout and content sections****Adding structured data and sticky CTA bar****Planning homepage HTML and CSS structure****Finalizing navigation and mobile menu CSS****Completing CSS styles and planning JSON-LD integration****Planning JSON-LD insertion and layout adjustments****Clarifying CMS output escaping and URL encoding****Verifying cms_e output usage in templates****Drafting UI enhancements and accessibility**</think>

    .reserve-card h2{margin:0 0 12px;color:#fff;font-size:34px;line-height:1.25}
    .reserve-card p{
      margin:0 0 22px;
      color:rgba(255,255,255,.9);
      font-size:15px;
      line-height:1.8;
      max-width:520px;
    }
    .reserve-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .reserve-note{
      margin-top:14px;
      color:rgba(255,255,255,.8);
      font-size:13px;
    }
    .demo-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:20px;
      align-items:center;
    }
    .phone-shell{
      background:#fff;
      border:1px solid #dbeafe;
      border-radius:30px;
      box-shadow:var(--shadow-soft);
      padding:18px;
      width:min(100%,360px);
      margin:0 auto;
    }
    .phone-screen{
      border-radius:24px;
      background:linear-gradient(180deg,#f8fbff 0%,#ffffff 100%);
      border:1px solid #e0efff;
      min-height:500px;
      overflow:hidden;
      padding:14px;
      position:relative;
    }
    .phone-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      font-size:12px;
      color:#64748b;
      margin-bottom:12px;
    }
    .phone-header{
      background:linear-gradient(135deg,#0f5fb8,#167dd3);
      color:#fff;
      border-radius:18px;
      padding:16px;
      box-shadow:0 12px 24px rgba(15,95,184,.18);
    }
    .phone-header h3{
      margin:8px 0 6px;
      font-size:18px;
      color:#fff;
    }
    .phone-header p{
      margin:0;
      font-size:13px;
      line-height:1.6;
      color:rgba(255,255,255,.88);
    }
    .stack-list{
      display:grid;
      gap:12px;
      margin-top:14px;
    }
    .stack-item{
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
      align-items:start;
      padding:13px;
      background:#f8fbff;
      border:1px solid #e0efff;
      border-radius:16px;
    }
    .stack-item strong{
      display:block;
      color:var(--ink);
      font-size:15px;
      margin-bottom:4px;
    }
    .stack-item span{
      color:#64748b;
      font-size:13px;
      line-height:1.55;
    }
    .stack-item .mini-tag{
      align-self:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      padding:6px 9px;
      border-radius:999px;
      font-weight:900;
      font-size:12px;
      white-space:nowrap;
    }
    .steps{
      display:grid;
      gap:14px;
    }
    .step{
      display:grid;
      grid-template-columns:52px 1fr;
      gap:14px;
      align-items:start;
      padding:18px;
      background:#fff;
      border:1px solid #dbeafe;
      border-radius:18px;
      box-shadow:0 10px 24px rgba(15,23,42,.05);
    }
    .step-num{
      width:52px;height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:900;
      font-size:18px;
      border:1px solid #dbeafe;
    }
    .step h3{margin:0 0 6px;color:var(--ink);font-size:18px}
    .step p{margin:0;color:#64748b;font-size:14px;line-height:1.7}
    .spec-title{
      margin:0 0 14px;
      color:var(--ink);
      font-size:20px;
      font-weight:900;
    }
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .quote-card{
      background:#fff;
      border:1px solid #dbeafe;
      border-radius:18px;
      padding:20px;
      box-shadow:0 10px 24px rgba(15,23,42,.05);
    }
    .quote-mark{
      width:32px;height:32px;border-radius:10px;
      background:var(--primary-soft);
      color:var(--primary);
      display:grid;place-items:center;
      font-size:18px;font-weight:900;
      margin-bottom:12px;
    }
    .quote-card p{
      margin:0;
      color:#475569;
      font-size:14px;
      line-height:1.75;
    }
    .quote-foot{
      margin-top:14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:#94a3b8;
      font-size:13px;
      font-weight:700;
    }
    .faq-wrap{
      display:grid;
      gap:12px;
      max-width:920px;
      margin:0 auto;
    }
    .faq-item{
      border:1px solid #dbeafe;
      border-radius:18px;
      background:#fff;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      font-weight:900;
      color:var(--ink);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary .faq-icon{
      width:28px;height:28px;
      border-radius:999px;
      flex:0 0 auto;
      background:var(--primary-soft);
      color:var(--primary);
      display:grid;
      place-items:center;
      transition:.2s ease;
    }
    .faq-item[open] summary{background:#f8fbff}
    .faq-item[open] summary .faq-icon{transform:rotate(45deg);background:#dff0ff}
    .faq-body{
      padding:0 20px 20px;
      color:#5b687b;
      font-size:15px;
      line-height:1.8;
      border-top:1px solid #eaf2ff;
      background:linear-gradient(180deg,#f8fbff, #ffffff);
    }
    .cta-band{
      padding:24px;
      border-radius:26px;
      background:linear-gradient(135deg,#eff6ff 0%, #ffffff 100%);
      border:1px solid #dbeafe;
      box-shadow:var(--shadow-soft);
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
    }
    .cta-band h2{
      margin:0 0 10px;
      color:var(--ink);
      font-size:30px;
      line-height:1.25;
    }
    .cta-band p{
      margin:0;
      color:#64748b;
      max-width:700px;
      font-size:16px;
      line-height:1.75;
    }
    .cta-band .cta-actions{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:12px;
    }
    .sticky-cta{
      position:fixed;
      left:50%;
      transform:translateX(-50%);
      bottom:18px;
      width:min(calc(100% - 28px),1100px);
      z-index:90;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(191,219,254,.95);
      border-radius:22px;
      box-shadow:0 18px 40px rgba(15,23,42,.14);
      backdrop-filter:blur(14px);
    }
    .sticky-cta-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 14px;
    }
    .sticky-copy{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }
    .sticky-copy strong{
      color:var(--ink);
      font-size:15px;
      line-height:1.3;
    }
    .sticky-copy span{
      color:#64748b;
      font-size:13px;
      line-height:1.4;
    }
    .sticky-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    footer{
      margin-top:0;
      border-top:1px solid #dbeafe;
      background:linear-gradient(180deg,#f8fbff 0%,#ffffff 100%);
      padding:30px 0 34px;
    }
    .footer-top{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-start;
      padding-bottom:18px;
      border-bottom:1px solid #eaf2ff;
    }
    .footer-brand{
      max-width:460px;
    }
    .footer-brand .brand{padding-left:0}
    .footer-brand p{
      margin:14px 0 0;
      color:#64748b;
      font-size:14px;
      line-height:1.8;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
      justify-content:flex-end;
      max-width:520px;
    }
    .footer-links a{
      color:#475569;
      font-weight:700;
      font-size:14px;
      padding:6px 10px;
      border-radius:999px;
      transition:.2s ease;
    }
    .footer-links a:hover{
      background:var(--primary-soft);
      color:var(--primary-dark);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      margin-top:18px;
      color:#94a3b8;
      font-size:13px;
      line-height:1.6;
    }
    .mobile-nav{display:none}
    @media (max-width: 1160px){
      .hero-panel,.updates-layout,.demo-grid,.spec-wrap,.reserve-card,.cta-band,.footer-top{grid-template-columns:1fr}
      .proof-grid{grid-template-columns:repeat(2,1fr)}
      .feature-grid{grid-template-columns:repeat(2,1fr)}
      .side-panel{position:relative;top:auto}
      .cta-band .cta-actions{justify-content:flex-start}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width: 900px){
      .nav-links,.search-box{display:none}
      .menu-btn{display:inline-flex}
      .mobile-nav{display:block;position:relative}
      .mobile-nav summary{list-style:none}
      .mobile-nav summary::-webkit-details-marker{display:none}
      .mobile-nav-panel{
        position:absolute;
        right:0;
        top:54px;
        min-width:220px;
        background:#fff;
        border:1px solid #dbeafe;
        border-radius:18px;
        box-shadow:0 18px 38px rgba(15,23,42,.12);
        padding:10px;
        display:grid;
        gap:4px;
      }
      .mobile-nav-panel a{
        padding:10px 12px;
        border-radius:12px;
        font-weight:800;
        color:#475569;
      }
      .mobile-nav-panel a:hover,
      .mobile-nav-panel a.active{
        background:var(--primary-soft);
        color:var(--primary-dark);
      }
      .hero{padding-top:24px}
      .section{padding:62px 0}
      .section-head{flex-direction:column;align-items:flex-start}
      .reserve-card h2,.cta-band h2{font-size:28px}
      .update-item{grid-template-columns:1fr;gap:10px}
      .date-chip{justify-items:start;min-height:auto}
      .sticky-copy span{display:none}
    }
    @media (max-width: 680px){
      body{padding-bottom:102px}
      .dock{border-radius:24px;padding:9px 10px}
      .brand-text{font-size:14px;max-width:180px}
      .main{padding-top:104px}
      h1{font-size:clamp(30px,10vw,40px)}
      .hero-desc{font-size:16px}
      .hero-panel,.ticket-card,.spec-card,.quote-card,.faq-item summary,.cta-band,.reserve-card,.side-panel,.phone-shell{border-radius:20px}
      .hero-panel,.spec-card,.cta-band,.reserve-card,.footer-top{padding:18px}
      .feature-grid,.proof-grid,.kpi-grid,.outline{grid-template-columns:1fr}
      .hero-actions,.reserve-actions,.cta-band .cta-actions,.footer-bottom,.sticky-cta-inner{flex-direction:column;align-items:stretch}
      .btn{width:100%}
      .mini-form{grid-template-columns:1fr}
      .mini-form .btn{width:100%}
      .phone-screen{min-height:auto}
      .phone-shell{width:100%}
      .cover h2{font-size:22px}
      .stack-item{grid-template-columns:1fr}
      .sticky-cta{
        left:12px;
        right:12px;
        transform:none;
        width:auto;
        bottom:12px;
      }
      .sticky-actions{width:100%}
      .sticky-actions .btn{min-height:42px}
      .footer-links{gap:8px}
    }

/* roulang page: article */
:root{
      --primary:#0f5fb8;
      --primary-dark:#084a94;
      --primary-soft:#eaf4ff;
      --primary-softer:#f5faff;
      --accent:#22b8cf;
      --accent-soft:#e6fbff;
      --warm:#f59e0b;
      --warm-soft:#fff7e6;
      --ink:#122033;
      --text:#334155;
      --muted:#64748b;
      --soft:#f8fbff;
      --line:#dbeafe;
      --line-strong:#bfdbfe;
      --white:#ffffff;
      --shadow:0 18px 50px rgba(15,95,184,.12);
      --shadow-soft:0 10px 28px rgba(15,23,42,.08);
      --radius:18px;
      --radius-md:14px;
      --radius-sm:10px;
      --container:1180px;
      --safe-bottom:88px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 5%, rgba(34,184,207,.12), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(15,95,184,.10), transparent 28%),
        linear-gradient(180deg,#f7fbff 0%,#ffffff 38%,#f8fbff 100%);
      line-height:1.7;
      padding-bottom:var(--safe-bottom);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(15,95,184,.16);color:var(--ink)}
    .container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }
    .site-header{
      position:fixed;
      top:18px;
      left:0;
      right:0;
      z-index:100;
      pointer-events:none;
    }
    .dock{
      width:min(calc(100% - 32px),var(--container));
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:10px;
      border:1px solid rgba(191,219,254,.85);
      border-radius:999px;
      background:rgba(255,255,255,.88);
      box-shadow:0 16px 42px rgba(15,23,42,.10);
      backdrop-filter:blur(16px);
      pointer-events:auto;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      padding:4px 8px 4px 4px;
      border-radius:999px;
      transition:.2s ease;
    }
    .brand:hover{background:var(--primary-soft)}
    .brand-mark{
      width:36px;height:36px;border-radius:12px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),#1684d8);
      color:#fff;
      box-shadow:0 10px 22px rgba(15,95,184,.26);
      flex:0 0 auto;
    }
    .brand-mark svg{width:19px;height:19px}
    .brand-text{
      color:var(--ink);
      font-weight:800;
      font-size:15px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:300px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      padding:0 4px;
    }
    .nav-links a{
      color:#475569;
      font-weight:700;
      font-size:14px;
      padding:10px 14px;
      border-radius:999px;
      transition:.2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:var(--primary-dark);
      background:var(--primary-soft);
      transform:translateY(-1px);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .search-box{
      display:flex;
      align-items:center;
      gap:8px;
      min-width:230px;
      border:1px solid #dbeafe;
      background:#f8fbff;
      border-radius:999px;
      padding:7px 12px;
      transition:.2s ease;
    }
    .search-box:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 3px rgba(15,95,184,.12);
      background:#fff;
    }
    .search-box svg{width:16px;height:16px;color:var(--muted)}
    .search-box input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      font-size:14px;
    }
    .search-box input::placeholder{color:#94a3b8}
    .menu-btn{
      display:none;
      border:0;
      background:var(--primary-soft);
      color:var(--primary-dark);
      border-radius:999px;
      padding:9px 12px;
      font-weight:800;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:13px;
      border:1px solid transparent;
      font-weight:800;
      letter-spacing:.01em;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .btn svg{width:18px;height:18px}
    .btn-primary{
      color:#fff;
      background:var(--primary);
      box-shadow:0 12px 26px rgba(15,95,184,.22);
    }
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,95,184,.28)}
    .btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(15,95,184,.20)}
    .btn-secondary{
      background:#fff;
      color:var(--primary-dark);
      border-color:var(--line-strong);
      box-shadow:0 8px 20px rgba(15,23,42,.06);
    }
    .btn-secondary:hover{background:var(--primary-soft);border-color:#93c5fd;transform:translateY(-2px)}
    .btn-ghost{
      background:var(--primary-soft);
      color:var(--primary-dark);
      border-color:transparent;
    }
    .btn-ghost:hover{background:#dff0ff;transform:translateY(-1px)}
    a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
      outline:3px solid rgba(15,95,184,.25);
      outline-offset:3px;
    }
    .main{padding-top:112px}
    section{scroll-margin-top:104px}
    .article-hero{
      padding:42px 0 34px;
    }
    .article-hero-panel{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:stretch;
      position:relative;
      overflow:hidden;
      padding:30px;
      border-radius:30px;
      border:1px solid rgba(191,219,254,.92);
      background:
        radial-gradient(circle at 86% 14%, rgba(34,184,207,.20), transparent 28%),
        linear-gradient(135deg,#10253f 0%,#0f4f94 48%,#0f5fb8 100%);
      box-shadow:var(--shadow);
      color:#fff;
    }
    .article-hero-panel:after{
      content:"";
      position:absolute;
      right:-90px;
      bottom:-140px;
      width:330px;
      height:330px;
      border-radius:50%;
      background:rgba(255,255,255,.10);
      pointer-events:none;
    }
    .article-kicker{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin-bottom:18px;
    }
    .crumb{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.20);
      color:#eaf4ff;
      font-size:13px;
      font-weight:800;
    }
    .crumb a{color:#fff}
    .crumb a:hover{text-decoration:underline;text-underline-offset:4px}
    .article-label{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(230,251,255,.14);
      border:1px solid rgba(199,249,255,.22);
      color:#c7f9ff;
      font-size:13px;
      font-weight:800;
    }
    .article-title{
      margin:0;
      color:#fff;
      font-size:clamp(30px,4vw,52px);
      line-height:1.15;
      letter-spacing:-.02em;
      max-width:840px;
      word-break:break-word;
    }
    .article-desc{
      margin:18px 0 0;
      max-width:780px;
      color:#dbeafe;
      font-size:17px;
      line-height:1.85;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      color:#eff6ff;
      font-size:13px;
      font-weight:750;
    }
    .meta-pill svg{width:15px;height:15px;color:#c7f9ff}
    .article-board{
      position:relative;
      z-index:1;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.20);
      background:rgba(255,255,255,.10);
      box-shadow:0 18px 42px rgba(0,0,0,.12);
      padding:18px;
      backdrop-filter:blur(12px);
    }
    .board-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-bottom:14px;
      border-bottom:1px dashed rgba(255,255,255,.24);
      margin-bottom:14px;
    }
    .board-head strong{
      display:block;
      color:#fff;
      font-size:16px;
    }
    .board-head span{
      color:#bfdbfe;
      font-size:13px;
    }
    .board-dot{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:#fff;
      color:var(--primary);
      flex:0 0 auto;
    }
    .board-dot svg{width:20px;height:20px}
    .rank-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .rank-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.14);
    }
    .rank-no{
      width:28px;height:28px;border-radius:10px;
      display:grid;place-items:center;
      background:rgba(255,255,255,.18);
      color:#fff;
      font-size:13px;
      font-weight:900;
    }
    .rank-copy b{
      display:block;
      color:#fff;
      font-size:14px;
      line-height:1.35;
    }
    .rank-copy span{
      display:block;
      margin-top:2px;
      color:#bfdbfe;
      font-size:12px;
      line-height:1.4;
    }
    .rank-badge{
      display:inline-flex;
      padding:6px 9px;
      border-radius:999px;
      background:rgba(255,247,230,.16);
      color:#ffedd5;
      border:1px solid rgba(255,237,213,.20);
      font-size:12px;
      font-weight:850;
      white-space:nowrap;
    }
    .content-shell{
      padding:34px 0 28px;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,780px) 340px;
      align-items:start;
      gap:30px;
    }
    .reader-card{
      background:rgba(255,255,255,.96);
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .reader-tools{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:16px 20px;
      background:linear-gradient(180deg,#ffffff 0%,#f8fbff 100%);
      border-bottom:1px solid var(--line);
    }
    .tool-group{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
      border:1px solid transparent;
      line-height:1.2;
      white-space:nowrap;
    }
    .badge-blue{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--line-strong)}
    .badge-cyan{background:var(--accent-soft);color:#0f766e;border-color:#baeef5}
    .badge-warm{background:var(--warm-soft);color:#9a5b00;border-color:#fde6b8}
    .reader-body{
      padding:34px 38px 40px;
      color:#334155;
      font-size:16px;
      line-height:1.85;
    }
    .reader-body h2{
      margin:34px 0 14px;
      padding-left:14px;
      border-left:4px solid var(--primary);
      color:var(--ink);
      font-size:26px;
      line-height:1.35;
      letter-spacing:-.01em;
    }
    .reader-body h2:first-child{margin-top:0}
    .reader-body h3{
      margin:28px 0 12px;
      color:#15304d;
      font-size:21px;
      line-height:1.4;
    }
    .reader-body p{margin:0 0 18px}
    .reader-body a{
      color:var(--primary-dark);
      font-weight:750;
      border-bottom:1px solid rgba(15,95,184,.22);
      transition:.2s ease;
    }
    .reader-body a:hover{
      color:var(--primary);
      background:var(--primary-soft);
      border-bottom-color:var(--primary);
    }
    .reader-body ul,.reader-body ol{
      margin:0 0 20px 1.25em;
      padding:0;
    }
    .reader-body li{margin:7px 0}
    .reader-body blockquote{
      margin:24px 0;
      padding:18px 20px;
      border-left:4px solid var(--accent);
      border-radius:0 16px 16px 0;
      background:var(--accent-soft);
      color:#28515d;
    }
    .reader-body img{
      height:auto;
      margin:26px auto;
      border-radius:18px;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .reader-body pre{
      overflow:auto;
      padding:18px;
      border-radius:16px;
      background:#0f172a;
      color:#e2e8f0;
      font-size:14px;
      line-height:1.7;
    }
    .reader-body code{
      padding:2px 6px;
      border-radius:8px;
      background:#eef6ff;
      color:#0b4e93;
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
    }
    .reader-body pre code{
      padding:0;
      border-radius:0;
      background:transparent;
      color:inherit;
    }
    .reader-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:24px 0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:16px;
      font-size:15px;
    }
    .reader-body th,.reader-body td{
      padding:12px 14px;
      border-bottom:1px solid var(--line);
      border-right:1px solid var(--line);
      text-align:left;
      vertical-align:top;
    }
    .reader-body th{
      background:var(--primary-soft);
      color:var(--ink);
      font-weight:850;
    }
    .reader-body tr:last-child td{border-bottom:0}
    .reader-body th:last-child,.reader-body td:last-child{border-right:0}
    .empty-state{
      padding:54px 26px;
      text-align:center;
      border-radius:20px;
      background:linear-gradient(180deg,#fff,#f8fbff);
      border:1px dashed var(--line-strong);
    }
    .empty-icon{
      width:58px;height:58px;
      margin:0 auto 16px;
      border-radius:20px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
    }
    .empty-icon svg{width:28px;height:28px}
    .empty-state h2{
      margin:0 0 10px;
      color:var(--ink);
      font-size:26px;
    }
    .empty-state p{
      margin:0 auto 22px;
      max-width:520px;
      color:var(--muted);
    }
    .sidebar{
      position:sticky;
      top:112px;
      display:grid;
      gap:16px;
    }
    .side-card{
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.94);
      box-shadow:var(--shadow-soft);
      padding:20px;
    }
    .side-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin:0 0 14px;
      color:var(--ink);
      font-size:17px;
      line-height:1.35;
    }
    .side-title:after{
      content:"";
      width:34px;
      border-top:2px dashed var(--line-strong);
      flex:0 0 auto;
    }
    .toc-list,.quick-list,.related-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:9px;
    }
    .toc-list a,.quick-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:10px 12px;
      border-radius:14px;
      color:#475569;
      font-size:14px;
      font-weight:750;
      background:#f8fbff;
      border:1px solid transparent;
      transition:.2s ease;
    }
    .toc-list a:hover,.quick-list a:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border-color:var(--line-strong);
      transform:translateX(2px);
    }
    .toc-list a span,.quick-list a span{
      color:#94a3b8;
      font-weight:900;
    }
    .format-card{
      display:grid;
      gap:12px;
    }
    .format-row{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px;
      border-radius:16px;
      background:#f8fbff;
      border:1px solid #e6f1ff;
    }
    .format-row svg{
      width:18px;
      height:18px;
      margin-top:3px;
      color:var(--primary);
      flex:0 0 auto;
    }
    .format-row b{
      display:block;
      color:var(--ink);
      font-size:14px;
      line-height:1.4;
    }
    .format-row span{
      display:block;
      margin-top:2px;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }
    .article-note{
      margin-top:28px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .note-card{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:22px;
      background:#fff;
      box-shadow:var(--shadow-soft);
      padding:22px;
    }
    .note-card:before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;
      height:5px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    .note-card h2{
      margin:0 0 10px;
      color:var(--ink);
      font-size:21px;
      line-height:1.35;
    }
    .note-card p{
      margin:0;
      color:#526173;
      font-size:15px;
      line-height:1.75;
    }
    .related-section,.faq-section,.article-cta{
      padding:34px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:22px;
      margin-bottom:22px;
    }
    .section-head h2{
      margin:0;
      color:var(--ink);
      font-size:clamp(24px,3vw,34px);
      line-height:1.25;
      letter-spacing:-.01em;
    }
    .section-head p{
      margin:8px 0 0;
      max-width:640px;
      color:var(--muted);
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .related-card{
      display:flex;
      flex-direction:column;
      min-height:220px;
      padding:22px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.94);
      box-shadow:var(--shadow-soft);
      transition:.2s ease;
    }
    .related-card:hover{
      transform:translateY(-3px);
      border-color:#93c5fd;
      box-shadow:var(--shadow);
    }
    .related-card .topline{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:16px;
      padding-bottom:14px;
      border-bottom:1px dashed var(--line-strong);
    }
    .related-card h3{
      margin:0 0 10px;
      color:var(--ink);
      font-size:19px;
      line-height:1.4;
    }
    .related-card p{
      margin:0;
      color:#526173;
      line-height:1.7;
      font-size:14px;
      flex:1;
    }
    .read-more{
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-top:18px;
      color:var(--primary-dark);
      font-weight:850;
      font-size:14px;
    }
    .read-more span{transition:.2s ease}
    .related-card:hover .read-more span{transform:translateX(3px)}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    details.faq-item{
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:.2s ease;
    }
    details.faq-item[open]{
      border-color:#93c5fd;
      background:linear-gradient(180deg,#f8fbff,#fff);
    }
    .faq-item summary{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      min-height:58px;
      padding:16px 18px;
      color:var(--ink);
      font-weight:850;
      cursor:pointer;
      list-style:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      width:26px;height:26px;border-radius:999px;
      display:grid;place-items:center;
      flex:0 0 auto;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:18px;
      line-height:1;
      transition:.2s ease;
    }
    .faq-item[open] summary:after{
      content:"—";
      background:var(--primary);
      color:#fff;
    }
    .faq-item p{
      margin:0;
      padding:0 18px 18px;
      color:#526173;
      font-size:15px;
      line-height:1.75;
      border-left:3px solid var(--primary);
    }
    .cta-panel{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      padding:28px;
      border:1px solid var(--line-strong);
      border-radius:28px;
      background:
        radial-gradient(circle at 8% 18%, rgba(34,184,207,.14), transparent 28%),
        linear-gradient(135deg,#ffffff,#f0f7ff);
      box-shadow:var(--shadow);
    }
    .cta-panel h2{
      margin:0 0 8px;
      color:var(--ink);
      font-size:28px;
      line-height:1.3;
    }
    .cta-panel p{
      margin:0;
      max-width:680px;
      color:#526173;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    footer{
      margin-top:28px;
      padding:38px 0 26px;
      border-top:1px solid var(--line);
      background:rgba(248,251,255,.82);
    }
    .footer-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:28px;
    }
    .footer-brand{max-width:520px}
    .footer-brand p{
      margin:14px 0 0;
      color:#526173;
      font-size:14px;
      line-height:1.8;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
      max-width:460px;
    }
    .footer-links a{
      padding:8px 11px;
      border-radius:999px;
      color:#475569;
      font-size:14px;
      font-weight:750;
      transition:.2s ease;
    }
    .footer-links a:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      margin-top:26px;
      padding-top:18px;
      border-top:1px solid var(--line);
      color:#64748b;
      font-size:13px;
    }
    .bottom-bar{
      position:fixed;
      left:50%;
      bottom:18px;
      z-index:90;
      width:min(calc(100% - 40px),880px);
      transform:translateX(-50%);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 14px 12px 18px;
      border:1px solid rgba(191,219,254,.92);
      border-radius:20px;
      background:rgba(255,255,255,.94);
      box-shadow:0 18px 44px rgba(15,23,42,.14);
      backdrop-filter:blur(14px);
    }
    .bottom-bar strong{
      color:var(--ink);
      font-size:14px;
    }
    .bottom-bar span{
      color:var(--muted);
      font-size:13px;
    }
    .bottom-actions{
      display:flex;
      align-items:center;
      gap:9px;
      flex:0 0 auto;
    }
    @media (max-width:1100px){
      .search-box{display:none}
      .brand-text{max-width:230px}
      .article-layout{grid-template-columns:minmax(0,1fr) 300px}
      .related-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:900px){
      .dock{border-radius:24px;align-items:flex-start;flex-wrap:wrap}
      .menu-btn{display:inline-flex}
      .nav-links{
        order:3;
        width:100%;
        display:none;
        flex-wrap:wrap;
        padding:8px 0 2px;
        border-top:1px solid var(--line);
      }
      .dock.is-open .nav-links{display:flex}
      .nav-links a{font-size:13px;padding:9px 11px}
      .article-hero-panel{grid-template-columns:1fr}
      .article-board{max-width:100%}
      .article-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:1fr 1fr}
      .article-note{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .cta-panel{align-items:flex-start;flex-direction:column}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:720px){
      :root{--safe-bottom:78px}
      body{padding-bottom:var(--safe-bottom)}
      .container{width:min(calc(100% - 28px),var(--container))}
      .site-header{top:10px}
      .dock{width:calc(100% - 22px);padding:8px;border-radius:20px}
      .brand-mark{width:34px;height:34px;border-radius:11px}
      .brand-text{font-size:14px;max-width:calc(100vw - 178px)}
      .nav-actions .btn{display:none}
      .main{padding-top:94px}
      .article-hero{padding:28px 0 20px}
      .article-hero-panel{padding:22px;border-radius:24px}
      .article-title{font-size:30px}
      .article-desc{font-size:15.5px;line-height:1.78}
      .rank-item{grid-template-columns:auto 1fr}
      .rank-badge{grid-column:2}
      .reader-tools{padding:14px}
      .reader-body{padding:24px 18px 28px;font-size:15.5px}
      .reader-body h2{font-size:22px}
      .reader-body h3{font-size:19px}
      .reader-body table{display:block;overflow-x:auto;white-space:nowrap}
      .sidebar{grid-template-columns:1fr}
      .related-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .footer-top{flex-direction:column}
      .footer-links{justify-content:flex-start}
      .footer-bottom{flex-direction:column;gap:8px}
      .bottom-bar{
        bottom:10px;
        width:calc(100% - 20px);
        border-radius:18px;
        padding:10px;
      }
      .bottom-bar span{display:none}
      .bottom-actions .btn-secondary{display:none}
      .bottom-actions .btn{min-height:40px;padding:9px 13px;border-radius:12px}
    }
    @media (max-width:520px){
      .article-kicker{gap:8px}
      .crumb,.article-label,.meta-pill{font-size:12px}
      .article-meta{gap:8px}
      .btn{width:100%}
      .cta-actions{width:100%}
      .bottom-actions .btn{width:auto}
      .bottom-bar strong{font-size:13px}
      .side-card,.note-card,.related-card{padding:18px}
    }