:root{--navy:#00335A;--blue:#009BD8;--ink:#22384a;--muted:#607587;--bg:#f4f7fa;--line:#dbe5ec;--green:#157457}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;line-height:1.72;background:var(--bg);color:var(--ink)}
a{color:#006ca7}
.wrap{width:min(1080px,calc(100% - 32px));margin:auto}
.top{background:#00243f;color:#fff;font-size:14px;padding:8px 0}
.top .wrap{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
.top a{color:#fff}
header{background:var(--navy);color:white}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{font-size:21px;font-weight:800;color:white;text-decoration:none}
nav{display:flex;gap:18px;flex-wrap:wrap}
nav a{color:white;text-decoration:none}
.hero{background:linear-gradient(135deg,#00335A,#006a9f);color:white;padding:64px 0}
.hero h1{color:white;font-size:clamp(37px,5vw,58px);line-height:1.08;margin:0 0 15px}
.hero p{font-size:19px;max-width:820px;color:#e6f5fd}
main.content{padding:42px 0}
.card{background:white;border:1px solid var(--line);border-radius:10px;padding:34px;margin-bottom:22px}
h1,h2,h3{color:var(--navy);line-height:1.25}
h2{margin-top:40px;padding-bottom:8px;border-bottom:1px solid var(--line)}
h3{margin-top:28px}
.notice{background:#eaf7fd;border-left:5px solid var(--blue);padding:20px;margin:24px 0}
.good{background:#edf9f4;border-left:5px solid var(--green);padding:20px;margin:24px 0}
.meta{background:#f7fafc;border:1px solid var(--line);border-radius:8px;padding:19px;margin:22px 0}
.meta p{margin:8px 0}
table{width:100%;border-collapse:collapse;margin:20px 0}
th,td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}
th{background:#eef5f8;color:var(--navy)}
code{background:#eef4f7;padding:2px 5px;border-radius:4px}
footer{background:#00243f;color:#ccdae5;padding:38px 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
footer a{color:#fff}
.small{font-size:13px}
@media(max-width:760px){.nav{flex-direction:column;align-items:flex-start;padding:16px 0}.footer-grid{grid-template-columns:1fr}.card{padding:24px}.hero{padding:48px 0}}