:root{--navy:#0b2342;--orange:#ffb000;--bg:#eef2f7;--text:#142033;--muted:#64748b;--line:#dbe3ee}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.62 system-ui,-apple-system,Segoe UI,sans-serif}.top{background:var(--navy);color:#fff}.nav{max-width:960px;margin:auto;padding:18px 22px;display:flex;justify-content:space-between;gap:20px}.brand,.back{color:#fff;text-decoration:none}.brand{font-weight:900}.wrap{max-width:960px;margin:38px auto;padding:0 20px}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px;box-shadow:0 14px 35px rgba(15,23,42,.06)}h1,h2{color:var(--navy);line-height:1.2}h1{margin-top:0}h2{margin-top:30px;font-size:21px}a{color:#075985}.notice{background:#fff7df;border-left:4px solid var(--orange);padding:14px 16px;border-radius:7px}.meta{color:var(--muted);font-size:14px}.footer{max-width:960px;margin:24px auto 42px;padding:0 20px;color:var(--muted);font-size:14px}.footer a{margin-right:14px}@media(max-width:600px){.card{padding:22px}.wrap{margin-top:22px}}