:root{--brand:#165aa0;--b2:#0ea5e9;--bg:#fff;--ink:#0f172a;--mut:#64748b;--sh:0 10px 30px rgba(15,23,42,.08);--r:16px;--mw:1100px}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial;color:var(--ink);background:var(--bg)}img{max-width:100%;display:block}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--mw);margin:0 auto;padding:0 16px}header.site{position:sticky;top:0;background:#fff;border-bottom:1px solid #e5e7eb;z-index:10}.hdr{display:flex;align-items:center;gap:14px;height:60px}.brand{display:flex;align-items:center;gap:10px}.logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--b2));box-shadow:var(--sh);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}.ttl{font-weight:700;color:var(--ink)}.nav{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap}.nav a{padding:8px 10px;border-radius:10px}.nav a.active,.nav a:hover{background:#f1f5f9}.toggle{display:none}@media(max-width:720px){.nav{display:none}.nav.open{display:flex}.toggle{display:inline-flex;margin-left:auto;border:1px solid #e5e7eb;border-radius:10px;padding:6px 10px;background:#fff}}.hero{background:url('/assets/hero-bg.png') center/cover no-repeat;color:#fff}.ov{background:linear-gradient(to right,rgba(15,23,42,.55),rgba(15,23,42,.25));padding:60px 0}.hero h1{font-size:40px;margin:0 0 8px 0}.hero p{font-size:18px;max-width:760px}.grid{display:grid;gap:16px}@media(min-width:900px){.g2{grid-template-columns:2fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}}.card{background:#fff;border:1px solid #e5e7eb;border-radius:var(--r);padding:16px;box-shadow:var(--sh)}.mut{color:var(--mut);font-size:14px}.foot{border-top:1px solid #e5e7eb;margin-top:30px}.foot .in{padding:20px 0;color:var(--mut);font-size:14px}.btn{display:inline-block;background:var(--brand);color:#fff;padding:10px 14px;border-radius:12px;box-shadow:var(--sh)}.ad{border:1px dashed #cbd5e1;border-radius:12px;color:var(--mut);text-align:center;padding:14px}.bc{font-size:13px;color:var(--mut);margin-bottom:8px}.meta{font-size:13px;color:var(--mut);margin-bottom:8px}h1,h2,h3{line-height:1.25}.cb{position:fixed;left:16px;right:16px;bottom:16px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:var(--sh);padding:14px;display:flex;gap:12px;align-items:center}.cba{margin-left:auto;display:flex;gap:10px}.cba button{border:1px solid #e5e7eb;background:#fff;border-radius:10px;padding:8px 10px}.cba .p{background:var(--brand);color:#fff;border-color:var(--brand)}.badge{display:inline-block;background:#eff6ff;color:#1e3a8a;border:1px solid #bfdbfe;padding:2px 8px;border-radius:999px;font-size:12px}.kv{display:grid;grid-template-columns:120px 1fr;gap:8px}.input{width:100%;padding:10px;border:1px solid #e5e7eb;border-radius:10px}.list li{margin-bottom:8px}blockquote{border-left:3px solid #cbd5e1;padding-left:12px;margin-left:0;color:#334155}