:root{--bg:#f7f8fc;--panel:#ffffff;--panel2:#f3f6ff;--text:#172033;--muted:#5f6b85;--line:rgba(63,87,160,.14);--brand:#4c6fff;--brand2:#9b5cff;--accent:#12c2e9;--shadow:0 16px 40px rgba(31,45,90,.10);--radius:20px;--container:1180px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top left,rgba(76,111,255,.10),transparent 30%),radial-gradient(circle at 85% 10%,rgba(155,92,255,.10),transparent 25%),linear-gradient(180deg,#fbfcff 0%,#f6f8fd 100%);color:var(--text);line-height:1.6}
    a{color:inherit;text-decoration:none} img{max-width:100%;display:block} .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,248,252,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(76,111,255,.10)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}.brand img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 10px 20px rgba(76,111,255,.10)}.brand strong{display:block;font-size:1.02rem}.brand span{display:block;color:var(--muted);font-size:.82rem}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}.menu a{font-size:.92rem;color:#31405f;padding:8px 0;position:relative}.menu a:after{content:"";position:absolute;left:0;bottom:3px;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:.25s}.menu a:hover:after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:10px}.btn{border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 26px rgba(76,111,255,.24)}.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .burger{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{position:relative;padding:54px 0 28px}.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}.hero-copy{padding:22px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(76,111,255,.10);color:#2a46a5;border:1px solid rgba(76,111,255,.15);padding:8px 12px;border-radius:999px;font-size:.88rem;font-weight:700}.hero h1{font-size:clamp(2rem,4vw,3.65rem);line-height:1.08;margin:16px 0 14px;letter-spacing:-.03em}.hero p{max-width:62ch;font-size:1.03rem;color:var(--muted);margin:0 0 22px}
    .hero-pills{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 24px;padding:0;list-style:none}.hero-pills li{background:rgba(255,255,255,.8);border:1px solid var(--line);padding:9px 12px;border-radius:999px;font-size:.92rem;color:#34415f;box-shadow:0 8px 18px rgba(29,39,68,.05)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-panel{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(245,247,255,.92));border:1px solid rgba(76,111,255,.12);border-radius:28px;padding:24px;box-shadow:var(--shadow);overflow:hidden}.hero-panel:before,.hero-panel:after{content:"";position:absolute;border-radius:999px;filter:blur(2px)}.hero-panel:before{width:160px;height:160px;right:-40px;top:-20px;background:radial-gradient(circle,rgba(76,111,255,.20),transparent 68%)}.hero-panel:after{width:220px;height:220px;left:-80px;bottom:-100px;background:radial-gradient(circle,rgba(155,92,255,.16),transparent 70%)}
    .stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;position:relative;z-index:1}.stat{background:rgba(255,255,255,.82);border:1px solid rgba(76,111,255,.10);border-radius:18px;padding:18px;min-height:110px}.stat strong{display:block;font-size:1.7rem;color:#182a64}.stat span{color:var(--muted);font-size:.92rem}.floating-tag{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:10px 12px;border-radius:16px;background:rgba(18,194,233,.10);color:#0f5d72;border:1px solid rgba(18,194,233,.18);font-size:.92rem}
    section{padding:18px 0 12px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.section-head h2{font-size:1.7rem;margin:0}.section-head p{margin:0;color:var(--muted);max-width:68ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 10px 26px rgba(29,39,68,.06);transition:.25s ease}.card:hover{transform:translateY(-4px);box-shadow:0 20px 34px rgba(29,39,68,.10)}
    .card h3{margin:0 0 10px;font-size:1.08rem}.card p,.card li{color:var(--muted)} .card ul{margin:0;padding-left:18px}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(76,111,255,.10);color:#2440a5;font-size:.82rem;font-weight:700;margin-bottom:12px}
    .timeline{display:grid;gap:14px}.step{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff, #f7f9ff);border:1px solid var(--line)}.step-num{width:72px;height:72px;border-radius:18px;background:linear-gradient(135deg,rgba(76,111,255,.14),rgba(155,92,255,.14));display:grid;place-items:center;font-size:1.25rem;font-weight:800;color:#2740a7}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)} table{width:100%;border-collapse:collapse;min-width:760px} th,td{padding:16px;border-bottom:1px solid rgba(63,87,160,.10);text-align:left;vertical-align:top} th{background:linear-gradient(180deg,#f7f9ff,#eef3ff);color:#22335d} tr:last-child td{border-bottom:0}
    .quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.quote{position:relative;padding-top:22px}.quote:before{content:"“";position:absolute;top:-6px;left:18px;font-size:3rem;color:rgba(76,111,255,.24);line-height:1}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 10px 26px rgba(29,39,68,.05)} details+details{margin-top:12px} summary{cursor:pointer;font-weight:700;color:#22335d;list-style:none} summary::-webkit-details-marker{display:none} details p{margin:12px 0 0;color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud span{padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:999px;color:#334159;font-size:.92rem}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.article time{display:block;color:#7a859d;font-size:.86rem;margin-bottom:10px}.article a{color:#1e326e;font-weight:700}
    .form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:flex;flex-direction:column;gap:8px}.field.full{grid-column:1/-1}.field label{font-weight:700;color:#22335d;font-size:.95rem}.field input,.field select,.field textarea{width:100%;border:1px solid rgba(63,87,160,.18);border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none}.field textarea{min-height:128px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(76,111,255,.55);box-shadow:0 0 0 4px rgba(76,111,255,.08)}
    .footer{margin-top:18px;padding:24px 0 22px;background:linear-gradient(180deg,#f4f7ff,#eef2ff);border-top:1px solid rgba(76,111,255,.12);color:#1a2644}.footer a{color:#223f9c}.footer-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px;align-items:start}.footer small,.footer p{color:#55627f}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px}.float-tools a,.float-tools button{width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;cursor:pointer;color:#2740a7;font-weight:800}
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}.reveal.in{opacity:1;transform:none}
    .mini-note{font-size:.9rem;color:var(--muted)}
    .split-banner{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .img-card{overflow:hidden;padding:0}.img-card img{width:100%;height:100%;object-fit:cover;display:block}
    @media (max-width: 980px){.hero-inner,.grid-3,.grid-2,.quote-grid,.articles,.footer-grid,.split-banner{grid-template-columns:1fr}.menu{display:none}.burger{display:inline-flex}.menu.open{display:flex;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;flex-direction:column;align-items:flex-start;box-shadow:var(--shadow)}.nav{position:relative}.hero{padding-top:28px}.hero h1{font-size:2.2rem}.form{grid-template-columns:1fr}}
    @media (max-width: 640px){.container{width:min(var(--container),calc(100% - 24px))}.stats{grid-template-columns:1fr}.section-head{flex-direction:column;align-items:flex-start}.hero-actions .btn,.nav-actions .btn{width:100%}.nav-actions{display:none}.menu.open .nav-actions{display:flex;flex-direction:column;align-items:stretch;width:100%}.step{grid-template-columns:1fr}.step-num{width:58px;height:58px}.table-wrap{border-radius:18px}}