:root{--ink:#12264b;--muted:#5d6d87;--blue:#285fdb;--line:#e2e9f5;--bg:#f7f9fd;--card:#fff}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{color:inherit}.wrap{width:min(1080px,calc(100% - 40px));margin:auto}.topbar{padding:18px 0;border-bottom:1px solid var(--line);background:#fff}.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:800;font-size:20px;text-decoration:none}.brand small{display:block;color:#7a88a0;font-size:12px;font-weight:500}.nav{display:flex;gap:18px;font-size:14px;color:#4e6282}.nav a{text-decoration:none}.hero{padding:72px 0 58px;background:linear-gradient(120deg,#eaf1ff,#fff 70%)}.eyebrow{margin:0 0 10px;color:#4774d8;font-size:12px;font-weight:800;letter-spacing:1px}.hero h1{max-width:760px;margin:0;font-size:clamp(34px,5vw,58px);line-height:1.25;letter-spacing:-2px}.hero p{max-width:720px;color:var(--muted);font-size:18px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.button{display:inline-block;padding:12px 20px;border-radius:9px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700}.button.secondary{background:#fff;color:var(--blue);border:1px solid #b9cbed}.section{padding:52px 0}.section h2{margin:0 0 12px;font-size:30px}.section>p{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{padding:23px;border:1px solid var(--line);border-radius:13px;background:var(--card)}.card h3{margin:0 0 8px;font-size:19px}.card p,.card li{color:var(--muted);font-size:14px}.price-note{padding:16px;border-radius:10px;background:#fff8e5;color:#705620;font-size:14px}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{padding:20px;border-radius:12px;background:#fff;border:1px solid var(--line)}.step b{display:block;margin-bottom:7px;color:var(--blue)}.faq{border-top:1px solid var(--line)}.faq details{padding:16px 0;border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:700}.faq p{color:var(--muted);margin:10px 0 0}.notice{padding:18px 20px;border-left:4px solid #e0a52b;background:#fff8e8;color:#695426}.footer{padding:30px 0;color:#7b88a0;font-size:13px;border-top:1px solid var(--line)}.footer a{color:var(--blue)}@media(max-width:760px){.topbar .wrap{align-items:flex-start}.nav{gap:10px;flex-wrap:wrap;justify-content:flex-end}.grid,.steps{grid-template-columns:1fr}.hero{padding-top:48px}.hero p{font-size:16px}}