:root{
  --bg:#f7f9fc;
  --card:#ffffff;
  --text:#172033;
  --muted:#667085;
  --line:#e6eaf0;
  --brand:#111827;
  --accent:#2563eb;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",
  "PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.nav{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)
}
.nav-inner{height:70px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{font-weight:800;letter-spacing:.2px}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.7px}
.links{display:flex;gap:24px;font-size:14px;color:#344054}
.links a:hover{color:var(--accent)}
.hero{padding:96px 0 76px;background:linear-gradient(180deg,#fff 0%,#f7f9fc 100%)}
.eyebrow{display:inline-block;padding:7px 12px;border:1px solid #dbe3ef;border-radius:999px;font-size:12px;color:#475467;background:#fff}
h1{font-size:clamp(38px,6vw,68px);line-height:1.08;margin:22px 0 22px;letter-spacing:-2px}
.hero p{max-width:760px;font-size:19px;color:#475467}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-block;padding:12px 18px;border-radius:10px;font-weight:700;font-size:14px;border:1px solid #d0d5dd;background:#fff}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
section{padding:72px 0}
.section-head{max-width:720px;margin-bottom:28px}
.section-head h2{font-size:34px;line-height:1.2;margin:0 0 12px}
.section-head p{color:var(--muted);margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 10px 30px rgba(16,24,40,.04)}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:14px}
.two{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start}
.list{margin:0;padding-left:18px;color:#475467}
.list li{margin:8px 0}
.notice{border-left:4px solid var(--accent);padding:16px 18px;background:#eff6ff;border-radius:8px;color:#344054}
.meta{display:grid;grid-template-columns:180px 1fr;gap:10px 20px;font-size:14px}
.meta dt{color:var(--muted)}
.meta dd{margin:0;font-weight:600;word-break:break-word}
footer{border-top:1px solid var(--line);background:#fff;padding:30px 0 45px;color:#667085;font-size:13px}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.prose{max-width:860px}
.prose h1{font-size:42px;letter-spacing:-1px}
.prose h2{font-size:24px;margin-top:34px}
.prose p,.prose li{color:#475467}
.prose ul{padding-left:20px}
.kicker{color:var(--muted);font-size:13px}
@media(max-width:820px){
  .links{display:none}
  .grid,.two{grid-template-columns:1fr}
  .hero{padding-top:70px}
  .meta{grid-template-columns:1fr}
}