:root{--ink:#1b2430;--muted:#5b6675;--brand:#0e5a7a;--bg:#f6f8fa;--line:#dde3ea}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}a{color:var(--brand)}
.top{border-bottom:1px solid var(--line);background:#fff}.top .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;padding-top:14px;padding-bottom:14px}
.brand{font-weight:700;font-size:1.2rem;text-decoration:none;color:var(--ink)}nav a{margin-left:18px;text-decoration:none;color:var(--muted)}nav a:hover{color:var(--brand)}
.hero{background:var(--bg);padding:64px 0}.hero h1{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.2;margin:0 0 16px}.lead{font-size:1.15rem;color:var(--muted);max-width:680px}
section{padding:40px 0}.muted{color:var(--muted)}
.grid{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}.grid li{border:1px solid var(--line);border-radius:10px;padding:16px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.plan{border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--brand);box-shadow:0 4px 18px rgba(14,90,122,.12)}.plan h3{margin:0}.price{font-size:2rem;font-weight:700;margin:8px 0}.price span{font-size:1rem;color:var(--muted);font-weight:400}.plan .btn{margin-top:auto}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:11px 20px;border-radius:8px;text-decoration:none;font-weight:600;text-align:center}.btn:hover{opacity:.9}
.disclose{margin-top:24px;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:16px 20px;font-size:.95rem}
.doc{padding:40px 20px;max-width:800px}.doc h1{line-height:1.2}.doc h2{margin-top:2em;font-size:1.2rem}.meta{color:var(--muted)}.summary{background:var(--bg);border-left:4px solid var(--brand);padding:4px 16px}.caps{font-size:.92rem}
footer{border-top:1px solid var(--line);background:var(--bg);color:var(--muted);font-size:.88rem;padding:24px 0;margin-top:40px}
@media(max-width:560px){nav a{margin:0 14px 0 0}.top .wrap{gap:8px}}
.feat{padding-left:18px;margin:6px 0 18px}.feat li{margin:4px 0}.steps li{margin:8px 0}