body{margin:0;font-family:system-ui,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;color:#1f2a33;background:#f7f8fa;line-height:1.7}
a{color:#0d4f8b}
header.top{background:#fff;border-bottom:1px solid #e3e7ec;position:sticky;top:0;z-index:5}
.top .wrap{max-width:1200px;margin:0 auto;padding:10px 16px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.brand{font-weight:700;color:#0d4f8b;text-decoration:none;font-size:18px}
.gnav a{margin-right:6px;padding:6px 10px;border-radius:6px;color:#33475b;text-decoration:none;display:inline-block}
.gnav a.on{background:#0d4f8b;color:#fff}
.layout{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:220px 1fr;gap:24px;padding:20px 16px}
.side{background:#fff;border:1px solid #e3e7ec;border-radius:8px;padding:12px 14px;align-self:start;max-height:calc(100vh - 100px);overflow:auto;position:sticky;top:76px}
.side h3{font-size:14px;margin:4px 0 8px;color:#55667a}
.side ul{list-style:none;padding:0;margin:0}
.side li a{display:block;padding:5px 6px;border-radius:5px;color:#1f2a33;text-decoration:none;font-size:14px}
.side li.on a{background:#e8f0fa;color:#0d4f8b;font-weight:600}
.layout.home{grid-template-columns:1fr}
main article{background:#fff;border:1px solid #e3e7ec;border-radius:8px;padding:24px 28px;min-width:0}
.hero{margin:0 0 16px}.hero img{width:100%;height:auto;border-radius:8px;display:block}
.meta{display:flex;gap:8px;flex-wrap:wrap;color:#55667a;font-size:13px;margin-bottom:8px}
.meta span{background:#f0f3f7;border-radius:4px;padding:2px 8px}
.lead{font-size:16px;color:#33475b}
h1{font-size:26px;line-height:1.3;margin:6px 0 12px}
h2{font-size:20px;margin:28px 0 10px;padding-bottom:4px;border-bottom:2px solid #e8f0fa}
h3{font-size:17px;margin:20px 0 8px}
p{margin:8px 0}
ul,ol{padding-left:22px}
.tbl{overflow-x:auto;margin:12px 0}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{border:1px solid #dfe5ec;padding:7px 9px;vertical-align:top;text-align:left}
th{background:#f3f6fa}
blockquote{margin:12px 0;padding:8px 14px;border-left:4px solid #0d4f8b;background:#f5f9fd;color:#33475b}
code{background:#f0f3f7;padding:1px 5px;border-radius:4px;font-size:13px}
pre{background:#f0f3f7;padding:10px;overflow:auto}
hr{border:0;border-top:1px solid #e3e7ec;margin:24px 0}
footer{max-width:1200px;margin:0 auto;padding:16px;color:#7a8794;font-size:12px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:12px 0}
.card{background:#fff;border:1px solid #e3e7ec;border-radius:8px;overflow:hidden;text-decoration:none;color:#1f2a33;display:block}
.card img{width:100%;height:130px;object-fit:cover;display:block}
.card div{padding:10px 12px}
.card b{display:block;font-size:15px;margin-bottom:4px}
.card span{font-size:13px;color:#55667a}
.home-hero{background:#0d4f8b;color:#fff;border-radius:10px;padding:26px 24px;margin-bottom:18px}
.home-hero h1{color:#fff;margin-top:0}
.home-hero p{color:#dbe7f5}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.box{background:#fff;border:1px solid #e3e7ec;border-radius:8px;padding:14px 16px;text-decoration:none;color:#1f2a33;display:block}
@media (max-width:860px){.layout{grid-template-columns:1fr}.side{position:static;max-height:none}.grid2{grid-template-columns:1fr}main article{padding:18px}}