:root{
      --bg:#f7f8fc;
      --panel:#ffffff;
      --panel-2:#f3f6ff;
      --text:#1f2937;
      --muted:#5b6577;
      --line:#e5e7f2;
      --brand:#6a5cff;
      --brand2:#12b3ff;
      --brand3:#ff6ea8;
      --shadow:0 18px 40px rgba(30,41,59,.08);
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:
      radial-gradient(circle at top left, rgba(106,92,255,.10), transparent 26%),
      radial-gradient(circle at top right, rgba(18,179,255,.12), transparent 22%),
      linear-gradient(180deg, #f8f9ff 0%, #f7f8fc 34%, #f7f8fc 100%);
      color:var(--text);line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:40;background:rgba(247,248,252,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(229,231,242,.9)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 8px 20px rgba(0,0,0,.06)}
    .brand strong{display:block;font-size:1.02rem;letter-spacing:.5px}
    .brand span{display:block;font-size:.86rem;color:var(--muted)}
    .menu{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .menu a{padding:8px 11px;border-radius:999px;color:#334155;font-size:.92rem;transition:.2s;background:transparent}
    .menu a:hover,.menu a.active{background:#fff;color:#111827;box-shadow:0 8px 20px rgba(30,41,59,.08)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 30px rgba(106,92,255,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(106,92,255,.3)}
    .btn-secondary{background:#fff;color:#243042;border:1px solid var(--line)}
    .btn-secondary:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(30,41,59,.08)}
    .mobile-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:#233044}
    .hero{padding:42px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.22fr .78fr;gap:22px;align-items:stretch}
    .hero-card,.glass-card,.section-card{background:linear-gradient(180deg, rgba(255,255,255,.94), rgba(255,255,255,.88));border:1px solid rgba(229,231,242,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{position:relative;overflow:hidden;padding:34px}
    .hero-card:before{content:"";position:absolute;inset:auto -80px -90px auto;width:240px;height:240px;background:radial-gradient(circle, rgba(255,110,168,.26), transparent 68%);pointer-events:none}
    .hero-card:after{content:"";position:absolute;inset:-80px auto auto -80px;width:220px;height:220px;background:radial-gradient(circle, rgba(18,179,255,.18), transparent 68%);pointer-events:none}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(106,92,255,.08);color:#5648d6;padding:7px 12px;border-radius:999px;font-size:.88rem;font-weight:700}
    h1{font-size:clamp(2rem,4vw,3.55rem);line-height:1.08;margin:14px 0 14px;letter-spacing:-.03em}
    .lead{font-size:1.06rem;color:#3d4758;max-width:58ch;margin:0 0 22px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px}
    .point{padding:14px;border-radius:16px;background:rgba(255,255,255,.75);border:1px solid var(--line)}
    .point b{display:block;font-size:1.12rem}
    .point span{display:block;color:var(--muted);font-size:.92rem}
    .hero-side{display:grid;gap:14px}
    .mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .stat{padding:18px;border-radius:18px;background:linear-gradient(135deg,#ffffff,#f4f7ff);border:1px solid var(--line)}
    .stat .num{font-size:1.6rem;font-weight:800;background:linear-gradient(135deg,var(--brand),var(--brand3));-webkit-background-clip:text;background-clip:text;color:transparent}
    .section{padding:18px 0}
    .section-card{padding:26px}
    .section-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-end;margin-bottom:18px}
    .section-head h2{font-size:clamp(1.5rem,2.5vw,2.2rem);margin:0}
    .section-head p{margin:0;color:var(--muted);max-width:65ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .card{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:.24s ease;position:relative;overflow:hidden}
    .card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(30,41,59,.08)}
    .card h3{margin:0 0 8px;font-size:1.05rem}
    .card p,.card li{color:var(--muted)}
    .badge{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;padding:6px 10px;border-radius:999px;background:#eef4ff;color:#3a4ad1;font-weight:700}
    .icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(106,92,255,.12),rgba(18,179,255,.12));margin-bottom:12px;font-weight:800;color:#3f51c9}
    .timeline{display:grid;gap:12px}
    .step{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:start;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .step strong{display:grid;place-items:center;width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:1.1rem}
    .step h3{margin:0 0 6px}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:14px 16px;border-bottom:1px solid #eef1f6;text-align:left;vertical-align:top}
    th{background:#f7f9ff;color:#243042}
    tr:last-child td{border-bottom:0}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .stars{color:#ffb400;letter-spacing:2px;font-size:1.1rem}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 16px}
    details+details{margin-top:12px}
    summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700;color:#243042}
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px;color:var(--muted)}
    .comments{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .comment .role{font-size:.9rem;color:#4b5563;margin-bottom:8px}
    .comment .quote{font-size:1rem;color:#263244}
    .article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .article{display:flex;gap:14px;align-items:flex-start}
    .article time{display:inline-flex;min-width:72px;justify-content:center;padding:7px 10px;border-radius:999px;background:#f0f5ff;color:#4050d4;font-weight:700;font-size:.86rem}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#334155}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .form-grid .full{grid-column:1/-1}
    input,select,textarea{width:100%;padding:13px 14px;border:1px solid #d9dfea;border-radius:14px;background:#fff;color:#1f2937;font:inherit;outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:#8b7dff;box-shadow:0 0 0 4px rgba(106,92,255,.1)}
    textarea{min-height:120px;resize:vertical}
    .footer{padding:18px 0 26px}
    .footer-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:14px;align-items:start}
    .footer-card{padding:22px;border-radius:20px;background:#fff;border:1px solid var(--line)}
    .footer a{color:#1f3fb3}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-tools a,.float-tools button{width:50px;height:50px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:0 16px 30px rgba(30,41,59,.12);display:grid;place-items:center;color:#1f2937;cursor:pointer}
    .scroll-top{display:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.visible{opacity:1;transform:none}
    .mobile-panel{display:none}
    .media-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .media-strip img{border-radius:16px;border:1px solid var(--line);background:#fff;aspect-ratio:4/3;object-fit:cover}
    .center-note{padding:14px 16px;border-left:4px solid var(--brand);background:#fff;border-radius:14px;border:1px solid var(--line);color:#3a4456}
    .subtle{color:var(--muted)}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.comments,.footer-inner{grid-template-columns:1fr}
      .article-list,.mini-grid,.form-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .menu{display:none}
      .mobile-toggle{display:inline-grid;place-items:center}
      .mobile-panel{display:none;padding:0 0 16px}
      .mobile-panel.open{display:block}
      .mobile-panel a{display:block;padding:11px 0;border-top:1px solid rgba(229,231,242,.8);color:#243042}
    }