:root{--bg:#f7f8fa;--card:#fff;--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--brand:#0f766e;--brand-ink:#fff;--accent:#ccfbf1}
@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--card:#111a2e;--ink:#e2e8f0;--muted:#94a3b8;--line:#1e293b;--brand:#2dd4bf;--brand-ink:#042f2e;--accent:#134e4a}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--brand)}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line);background:var(--card)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:20px;text-decoration:none;color:var(--ink)}.logo span{color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:700}
.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand);padding:8px 14px}
.hero{padding:72px 0 48px}
.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.15;margin:0 0 16px}
.hero p{font-size:19px;color:var(--muted);max-width:640px;margin:0 0 28px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:24px 0 56px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--muted)}
.step{display:inline-block;background:var(--accent);color:var(--ink);font-weight:800;border-radius:8px;padding:2px 10px;margin-bottom:10px}
.price{text-align:center;padding:40px 22px}.price .v{font-size:44px;font-weight:800}.price small{color:var(--muted)}
h2{font-size:28px;margin:40px 0 8px}
.doc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:32px;margin:40px auto}
.doc h1{margin-top:0}.doc h2{font-size:20px;margin:28px 0 8px}.doc li{margin:4px 0}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between}