:root{font-family:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;color:#263e5b;background:#f6f8fb;line-height:1.55}
*{box-sizing:border-box}
body{margin:0}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,input:focus-visible{outline:3px solid #e46929;outline-offset:4px}
[hidden]{display:none!important}
.wrap{width:min(1280px, calc(100% - 48px));margin-inline:auto}
.site-head{background:#fff;border-bottom:1px solid #dce7f3}
.head-row,.foot-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.head-row{min-height:94px;padding-block:12px}
.brand{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap}
.brand strong{color:#1d68b6;font-size:clamp(25px,4vw,39px);line-height:1.12}
.brand span{color:#5d6e82;font-size:14px}
.head-links{display:flex;gap:16px;flex-wrap:wrap;font-size:14px}
.hero{background:radial-gradient(ellipse at 84% 75%,#428dc1 0,transparent 52%),linear-gradient(110deg,#257fc8,#206bab);color:#fff;padding:32px 0 29px}
.hero-inner{width:min(900px,calc(100% - 48px));margin:auto}
h1{font-size:clamp(22px,4vw,32px);line-height:1.2;margin:0 0 17px}
.modes{display:flex;flex-wrap:wrap;gap:5px;align-items:end}
.modes a{display:block;padding:9px 16px;border-radius:10px 10px 0 0;background:#daf3f6;color:#174566;font-size:14px}
.modes a:first-child{background:#fff}
.search{display:flex;align-items:center;background:#fff;border-radius:0 8px 8px 8px;color:#2b4863;gap:8px;padding:12px 15px}
.search span{font-size:21px;color:#2874b4}
.search input{width:100%;border:0;background:transparent;font:inherit;padding:5px;color:inherit}
.hero p{font-size:14px;margin:11px 0 0;color:#fff}
.hot,.panel{background:#fff;border:1px solid #e0eaf3;box-shadow:0 3px 14px #162c4420;border-radius:8px}
.hot{display:flex;align-items:center;flex-wrap:wrap;gap:11px 21px;padding:15px 18px;margin:16px auto 14px}
.hot a{color:#a83d15;font-size:14px;font-weight:600}
.grid{display:grid;grid-template-columns:2fr 1fr;align-items:start;gap:16px}
.column{display:grid;gap:16px;min-width:0}
.panel{padding:14px 16px 17px;border-top:5px solid #9ac9f6}
.panel h2{border-left:6px solid #267dcc;padding-left:10px;margin:0 0 12px;font-size:20px;font-weight:650}
.groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px}
.side .groups{grid-template-columns:1fr}
.group h3{background:#e4f1fc;color:#255f97;font-size:15px;margin:0 0 8px;padding:4px 8px}
.group ul{list-style:none;margin:0;padding:0;display:flex;gap:6px 13px;flex-wrap:wrap}
.group a{display:inline-block;padding-block:3px;color:#3a5473;font-size:14px}
.empty{background:#fff;padding:17px;border-radius:8px;margin:0 0 14px}
.archive{margin:18px auto;padding:14px 16px;border-left:4px solid #4c8fc8;background:#eaf3fb}
.archive p{margin:4px 0}
footer{border-top:1px solid #dce7f3;background:#fff;font-size:14px;padding:15px 0}
footer a{color:#1b63a5}
@media(max-width:840px){.grid{grid-template-columns:1fr}.side .groups{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:490px){.wrap,.hero-inner{width:calc(100% - 28px)}.groups,.side .groups{grid-template-columns:1fr}.hero{padding-top:23px}.modes a{padding-inline:10px}.head-links{gap:12px}}