:root{--bg:#f7f8fa;--surface:#fff;--ink:#16181d;--muted:#626b7a;--line:#e4e7ec;--brand:#2f6df6;--brand-dark:#1d4fd0;--ok:#0f9d58;--warn:#b26a00}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.wrap{max-width:1080px;margin:0 auto;padding:0 24px}header.nav{border-bottom:1px solid var(--line);background:hsla(0,0%,100%,.85);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:-webkit-sticky;position:sticky;top:0;z-index:10}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{font-weight:700;font-size:17px;letter-spacing:-.3px}.logo span{color:var(--brand)}.nav a.links{margin-left:28px;color:var(--muted);font-size:14px}.btn{display:inline-block;padding:11px 20px;border-radius:9px;background:var(--brand);color:#fff;font-weight:600;font-size:14px;border:1px solid var(--brand)}.btn:hover{background:var(--brand-dark)}.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn.ghost:hover{border-color:var(--brand)}.hero{padding:88px 0 64px;text-align:center}.badge{display:inline-block;font-size:12px;color:var(--brand);background:#eaf0ff;border:1px solid #d5e2ff;padding:5px 12px;border-radius:999px;margin-bottom:22px}h1{font-size:clamp(34px,5vw,52px);line-height:1.18;letter-spacing:-1.5px;margin:0 0 20px}h1 em{font-style:normal;color:var(--brand)}.sub{font-size:17px;color:var(--muted);max-width:660px;margin:0 auto 32px}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero-note{margin-top:18px;font-size:13px;color:var(--muted)}section{padding:56px 0}h2{font-size:26px;letter-spacing:-.6px;margin:0 0 8px}.section-sub{color:var(--muted);margin:0 0 32px}.grid{display:grid;grid-gap:18px;gap:18px;grid-template-columns:repeat(3,1fr)}.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px}.card h3{margin:0 0 10px;font-size:16px}.card p{margin:0;color:var(--muted);font-size:14px}.step-num{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;background:#eaf0ff;color:var(--brand);border-radius:8px;font-weight:700;font-size:13px;margin-bottom:14px}.notice{background:#fff8ec;border:1px solid #f5dfb8;color:#7a5210;border-radius:12px;padding:18px 22px;font-size:14px}.notice strong{color:#6b4508}table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:14px;overflow:hidden;border:1px solid var(--line)}td,th{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);font-size:14px}th{background:#fafbfc;color:var(--muted);font-weight:600}tr:last-child td{border-bottom:none}.price{font-weight:700;font-size:17px}footer{border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:13px}footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}@media (max-width:760px){.grid{grid-template-columns:1fr}.hero{padding:56px 0 40px}}