:root{--bg:#f2f0e8;--ink:#171814;--muted:#70736a;--line:#d6d3c9;--card:#fbfaf6;--lime:#c8f169}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}.wrap{width:min(900px,calc(100% - 30px));margin:auto}header{height:70px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font-weight:800}.back{color:var(--ink);text-decoration:none;border:1px solid var(--ink);border-radius:10px;padding:7px 13px}main{padding:70px 0}h1{font-size:clamp(40px,7vw,70px);line-height:1.03;letter-spacing:-.06em;margin:0 0 25px}.lead{font-size:19px;color:var(--muted);max-width:700px}.cta{display:inline-block;margin:25px 0 55px;background:var(--ink);color:white;padding:13px 20px;border-radius:12px;text-decoration:none;font-weight:700}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px}.card h2{margin-top:0}.card p,.card li{color:var(--muted)}.levels{width:100%;border-collapse:collapse}.levels td,.levels th{padding:12px;border-bottom:1px solid var(--line);text-align:left}footer{padding:30px 0;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}@media(max-width:650px){.grid{grid-template-columns:1fr}main{padding-top:45px}}