:root{--blue:#023591;--navy:#071a35;--gold:#d8a13b;--ink:#172033;--muted:#5f6877;--line:#e4e8ef;--bg:#f5f7fb;--white:#fff}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;background:var(--white)}a{color:inherit}.top{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:14px max(5vw,24px);background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.top img{width:150px}.top nav{display:flex;gap:24px;align-items:center}.top nav a{text-decoration:none;font-size:14px}.cta{display:inline-block;padding:12px 22px;color:#fff!important;background:var(--blue);border-radius:6px;text-decoration:none;font-weight:700}.hero{padding:86px max(7vw,28px);color:#fff;background:linear-gradient(125deg,var(--navy),var(--blue))}.hero .wrap,.content,.related,.contact{max-width:1040px;margin:auto}.crumb{font-size:14px;opacity:.78}.hero h1{max-width:850px;margin:20px 0;font-size:clamp(34px,5vw,60px);line-height:1.2}.hero p{max-width:760px;font-size:18px;opacity:.92}.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.tags span{padding:7px 12px;border:1px solid rgba(255,255,255,.35);border-radius:999px;font-size:14px}.content{padding:70px 24px}.content h2{margin:52px 0 18px;color:var(--navy);font-size:30px;line-height:1.35}.content h3{margin-top:30px;font-size:21px}.lead{font-size:20px;color:#394359}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:26px 0}.card{padding:25px;border:1px solid var(--line);border-radius:12px;background:#fff}.card b{display:block;margin-bottom:8px;color:var(--blue);font-size:18px}.steps{counter-reset:s;display:grid;gap:14px}.steps li{list-style:none;padding:20px 22px 20px 64px;position:relative;background:var(--bg);border-radius:10px}.steps li:before{counter-increment:s;content:counter(s);position:absolute;left:20px;top:18px;width:30px;height:30px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:50%;font-weight:700}.notice{padding:18px 22px;border-left:4px solid var(--gold);background:#fff8e9}.faq details{padding:18px 0;border-bottom:1px solid var(--line)}.faq summary{font-weight:700;cursor:pointer}.related{padding:56px 24px;background:var(--bg)}.related h2{font-size:28px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.related a{padding:20px;background:#fff;border:1px solid var(--line);border-radius:10px;text-decoration:none;font-weight:700}.contact{margin:60px auto;padding:42px;border-radius:16px;color:#fff;background:var(--navy)}.contact h2{margin-top:0;font-size:32px}.contact a{margin:8px 10px 0 0}.footer{text-align:center;padding:35px 20px;color:#697285;background:#eef1f6;font-size:14px}@media(max-width:720px){.top nav a:not(.cta){display:none}.grid,.related-grid{grid-template-columns:1fr}.hero{padding-top:60px}.content h2{font-size:26px}.contact{margin:35px 18px;padding:28px}}