:root{--accent:#ff6b35;--accent-ink:#e85316;--ink:#0e0e0c;--muted:#4a4945;--faint:#8b8a85;--bg:#fafaf7;--surface:#fff;--line:#ece9e2}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{max-width:1040px;margin:0 auto;padding:0 20px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:hsla(60,23%,97%,.9);-webkit-backdrop-filter:saturate(1.2) blur(8px);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}.nav .container{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:800;font-size:20px;letter-spacing:-.02em}.brand span{color:var(--accent)}.nav-links{display:flex;gap:22px;align-items:center}.nav-links a{color:var(--muted);font-weight:600;font-size:15px}.nav-links a:hover{color:var(--ink)}.btn{display:inline-block;font-weight:700;font-size:15px;padding:12px 22px;border-radius:14px;cursor:pointer;border:1px solid transparent}.btn-primary{color:#fff;background:linear-gradient(135deg,#ff8a4d,#e85316)}.btn-ghost{color:var(--ink);border-color:var(--line);background:var(--surface)}.hero{padding:88px 0 64px;text-align:center}.hero h1{font-size:52px;line-height:1.05;letter-spacing:-.04em;max-width:760px;margin:0 auto 20px}.hero p{font-size:20px;color:var(--muted);max-width:620px;margin:0 auto 32px}.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}section{padding:56px 0}h2{font-size:32px;letter-spacing:-.03em;margin-bottom:28px;text-align:center}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px}.card h3{font-size:18px;margin-bottom:8px;letter-spacing:-.01em}.card p{color:var(--muted);font-size:15px}.plans{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:20px;gap:20px;max-width:680px;margin:0 auto}.plan{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:28px}.plan.popular{border-color:var(--accent);box-shadow:0 8px 30px rgba(232,83,22,.08)}.plan .price{font-size:40px;font-weight:800;letter-spacing:-.03em;margin:6px 0 4px}.plan .per{color:var(--faint);font-size:14px}.plan ul{list-style:none;margin:18px 0}.plan li{padding:7px 0;color:var(--muted);font-size:15px;border-bottom:1px solid var(--line)}.prose{max-width:760px;margin:0 auto;padding:48px 0}.prose h1{font-size:36px;letter-spacing:-.03em;margin-bottom:8px}.prose .updated{color:var(--faint);font-size:14px;margin-bottom:28px}.prose h2{font-size:22px;text-align:left;margin:28px 0 10px}.prose li,.prose p{color:var(--muted);font-size:16px;margin-bottom:12px}.prose ul{padding-left:22px}footer{border-top:1px solid var(--line);padding:40px 0;color:var(--faint);font-size:14px}footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}footer a{color:var(--muted);margin-right:18px}@media (max-width:800px){.hero h1{font-size:38px}.grid,.plans{grid-template-columns:1fr}.nav-links{gap:14px}.nav-links a.hide-sm{display:none}}