:root{--bg:#fbfaf7;--text:#1f2933;--muted:#5f6b7a;--card:#fff;--line:#e7e1d8;--brand:#111827;--accent:#d97706}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7}.container{width:min(1120px,92vw);margin:0 auto}.narrow{width:min(760px,92vw)}.site-header{border-bottom:1px solid var(--line);background:rgba(251,250,247,.92);position:sticky;top:0;backdrop-filter:blur(10px)}.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.brand{font-weight:800;color:var(--brand);text-decoration:none}.nav nav{display:flex;gap:22px}.nav a{color:var(--text);text-decoration:none}.nav nav a{font-size:15px;color:var(--muted)}.hero{padding:76px 0 56px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center}h1{font-size:clamp(34px,5vw,60px);line-height:1.12;margin:10px 0 20px;color:#111827}h2{font-size:clamp(25px,3vw,38px);line-height:1.25;margin:8px 0 16px;color:#111827}h3{font-size:22px;margin:0 0 10px}.lead{font-size:20px;color:var(--muted);max-width:720px}.eyebrow{letter-spacing:.12em;color:var(--accent);font-weight:700;font-size:14px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:999px;padding:11px 20px;text-decoration:none;color:#111827;background:#fff;font-weight:650}.btn.primary{background:#111827;color:#fff;border-color:#111827}.section{padding:64px 0}.muted{background:#f3efe7}.section-title{max-width:760px;margin-bottom:28px}.grid{display:grid;gap:20px}.three{grid-template-columns:repeat(3,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 10px 30px rgba(31,41,51,.05)}.hero-card{transform:rotate(1deg)}.check-list{padding-left:0;list-style:none}.check-list li{margin:12px 0;padding-left:28px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:900}.split{display:flex;align-items:center;justify-content:space-between;gap:28px}.site-footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:14px}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.site-footer a{color:var(--muted)}.top-gap{margin-top:28px}.note{color:var(--muted);font-size:14px;margin-top:24px}@media(max-width:820px){.hero-grid,.three{grid-template-columns:1fr}.nav{align-items:flex-start;gap:12px;flex-direction:column}.nav nav{flex-wrap:wrap;gap:14px}.split{align-items:flex-start;flex-direction:column}.hero{padding-top:46px}}