:root{--bg:#f6f7f9;--card:#fff;--text:#1f2328;--muted:#5f6b7a;--line:#e3e7ec;--accent:#2b59c3;--accent2:#e8eefb}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.top{background:var(--card);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:20px}
.logo:hover{text-decoration:none}
.logo img{width:32px;height:32px}
.menu summary{cursor:pointer;list-style:none;padding:6px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px;color:var(--muted)}
.menu summary::-webkit-details-marker{display:none}
.menu[open] summary{background:var(--accent2)}
.cats{display:flex;flex-wrap:wrap;gap:6px 14px;padding:10px 0 12px;margin:0;list-style:none;font-size:15px}
.menu .cats{position:absolute;left:16px;right:16px;z-index:5;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.menu{position:static}
.nav{background:var(--card);border-bottom:1px solid var(--line)}
main{padding:20px 0 40px}
.crumbs{font-size:14px;color:var(--muted);margin:0 0 12px}
.crumbs a{color:var(--muted)}
.crumbs span{margin:0 6px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px 26px}
h1{font-size:30px;line-height:1.25;margin:0 0 10px}
h2{font-size:24px;line-height:1.3;margin:28px 0 10px}
h3{font-size:20px;line-height:1.35;margin:22px 0 8px}
h4{font-size:18px;margin:18px 0 6px}
.meta{font-size:14px;color:var(--muted);margin:0 0 16px}
.lead{font-size:19px;color:#333}
.post,.card,.tile,.hero,.crumbs{overflow-wrap:anywhere}
.post td,.post th{overflow-wrap:normal;word-break:normal}
.post img{display:block;margin:14px auto;border-radius:8px;max-width:min(100%,600px)}
.post figure{margin:16px 0}
.post figcaption{font-size:14px;color:var(--muted);text-align:center}
.post blockquote{margin:16px 0;padding:10px 16px;border-left:4px solid var(--accent);background:var(--accent2);border-radius:0 8px 8px 0}
.post pre{overflow-x:auto;background:#f2f4f7;padding:12px;border-radius:8px;font-size:14px}
.tbl{overflow-x:auto;margin:16px 0}
.tbl table{border-collapse:collapse;min-width:100%;font-size:15px}
.tbl th,.tbl td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.tbl th{background:#f2f4f7}
.video{position:relative;padding-top:56.25%;margin:16px 0}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:8px}
.faq h3{margin-top:18px}
.related{margin-top:24px}
.related h2{margin-top:0;font-size:21px}
.list{list-style:none;padding:0;margin:0}
.list li{padding:9px 0;border-bottom:1px solid var(--line)}
.list li:last-child{border-bottom:0}
.list .ex{display:block;font-size:14px;color:var(--muted);line-height:1.5}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin:16px 0}
.tile{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.tile h2,.tile h3{margin:0 0 8px;font-size:19px}
.tile p{margin:0 0 8px;font-size:15px;color:var(--muted)}
.tile ul{margin:0;padding-left:18px;font-size:15px}
.tile li{margin:4px 0}
.count{color:var(--muted);font-size:14px;font-weight:400}
.hero{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px 26px;margin-bottom:8px}
.hero p{margin:0;color:#333}
.pager{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.pager a,.pager b{padding:4px 10px;border:1px solid var(--line);border-radius:6px;background:var(--card)}
.foot{background:var(--card);border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.foot .wrap{padding:18px 16px}
.foot .cats{padding:0 0 10px}
@media (max-width:640px){
body{font-size:16px}
.card,.hero{padding:16px}
h1{font-size:24px}
h2{font-size:21px}
h3{font-size:18px}
.grid{grid-template-columns:1fr}
}
.post ul ul,.post ol ol,.post ul ol,.post ol ul{padding-left:16px}