*{box-sizing:border-box;margin:0;padding:0}body{font:14px/1.7 "Microsoft YaHei",sans-serif;background:#f5f5f8;color:#333}
a{color:#333;text-decoration:none}a:hover{color:#1e88e1;text-decoration:underline}
.w{width:1200px;margin:0 auto}
.topbar{background:#fff;height:72px}
.topbar .w,.nav .w{display:flex;align-items:center;height:100%}
.logo{display:flex;align-items:center;gap:8px;margin-right:40px;text-decoration:none}
.logo .mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#2bd4c7,#1e88e1);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.logo strong{font-size:22px;color:#1e88e1;letter-spacing:1px}
.so{margin-left:auto;border:1px solid #e5e5e5;border-radius:20px;overflow:hidden;display:flex}
.so input{border:0;width:220px;height:36px;padding:0 14px;outline:0}
.so button{border:0;background:#2191f0;color:#fff;width:72px;cursor:pointer}
.nav{background:#2191f0;height:44px}
.nav a{color:#fff;padding:0 16px;font-size:15px;line-height:44px;display:inline-block}
.nav a:hover{background:#1b7bd1;text-decoration:none;color:#fff}
.page{padding:16px 0 40px}
.card{background:#fff;border-radius:12px;padding:16px 18px;margin-bottom:16px}
.grid-hero{display:grid;grid-template-columns:1fr 300px;gap:16px}
.grid-2{display:grid;grid-template-columns:1fr 300px;gap:16px}
.hero-main{display:grid;grid-template-columns:360px 1fr;gap:18px}
.cover{position:relative;display:block;height:210px;border-radius:8px;overflow:hidden;background:#1e88e1}
.cover .ph,.t-cover b{display:flex;height:100%;align-items:center;justify-content:center;color:#fff;font-size:48px}
.cover em{position:absolute;left:0;right:0;bottom:0;background:rgba(0,0,0,.45);color:#fff;padding:8px 10px;font-style:normal}
.hero h1{font-size:18px;margin:0 0 8px}
.hero p{color:#666;font-size:13px}
.dot,.art,.hot{list-style:none}
.dot li,.art li,.hot li{display:flex;justify-content:space-between;gap:10px;line-height:32px;border-bottom:1px dashed #eee}
.dot li a,.art li a,.hot li a{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.dot span,.art span,.hot span{color:#999;font-size:12px}
.thumbs{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;list-style:none;margin-top:16px}
.t-cover{display:block;height:110px;background:#eef6ff;border:1px solid #e8eef5;border-radius:6px}
.t-cover b{color:#1e88e1;font-size:28px}
.thumbs p{font-size:12px;margin-top:6px;height:36px;overflow:hidden}
.side h3{font-size:16px;margin-bottom:8px;color:#1e88e1}
.side h3:not(:first-child){margin-top:18px}
.hot{counter-reset:n}
.hot li{counter-increment:n}
.hot li::before{content:counter(n);display:inline-block;flex:none;width:18px;height:18px;line-height:18px;text-align:center;background:#ff7a45;color:#fff;border-radius:4px;font-size:12px;margin-right:6px}
.icons{display:flex;gap:12px;list-style:none;background:#fff;border-radius:12px;padding:18px 10px;margin-bottom:16px;justify-content:space-around}
.icons a{text-align:center;display:block;width:86px}
.icons i{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 6px;color:#fff;font-style:normal;font-size:18px;background:#5b8ff9}
.icons li:nth-child(2) i{background:#ff7a45}.icons li:nth-child(3) i{background:#36cfc9}.icons li:nth-child(4) i{background:#f759ab}
.icons li:nth-child(5) i{background:#597ef7}.icons li:nth-child(6) i{background:#73d13d}.icons li:nth-child(7) i{background:#ffc53d}.icons li:nth-child(8) i{background:#40a9ff}
.block .hd,.hd{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.block h2{font-size:18px;border-left:4px solid #2191f0;padding-left:8px}
.cols{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.cols h4{background:#f5f7fb;padding:6px 10px;margin-bottom:8px}
.tags a{display:inline-block;background:#f3f5f9;border-radius:12px;padding:2px 10px;margin:0 6px 8px 0;font-size:12px}
.paper h1{font-size:24px;text-align:center;margin:0}
.doc-head{display:flex;flex-direction:column;align-items:center;gap:12px;margin:10px 0}
.btn-word{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 14px;background:#0d6efd;color:#fff!important;border-radius:8px;font-size:14px;font-weight:600;white-space:nowrap;line-height:1}
.btn-word:hover{background:#0b5ed7;color:#fff!important}
.meta{text-align:center;color:#999;margin-bottom:16px}
.body{font-size:16px;line-height:1.9}
.body p{margin:0 0 1em}
.body img{max-width:100%;height:auto}
.body h2,.body h3{margin:1em 0 .5em}
.body ul,.body ol{margin:0 0 1em 1.4em}
.body table{border-collapse:collapse;width:100%;margin:0 0 1em}
.body td,.body th{border:1px solid #e5e5e5;padding:6px 8px}
.crumb{color:#888;padding:8px 0 12px;font-size:13px}
.pager{text-align:center;padding:16px 0}
.pager a{margin:0 8px;color:#1e88e1}
.flink-list{display:flex;flex-wrap:wrap;gap:8px 18px}
.flink-list a{color:#666;font-size:13px}
.flink-list img{max-height:28px;vertical-align:middle}
.empty{text-align:center;color:#999;padding:30px 0}
.foot{background:#fff;color:#888;text-align:center;padding:24px 0;font-size:12px;border-top:1px solid #eee}
.foot a{color:#888}
.foot .note{margin:8px 0 0;line-height:1.8}
.map-engines{margin:6px 0 0}
.map-engines a+a::before{content:" / "}
@media(max-width:750px){
.w{width:94%}
.topbar{height:auto;padding:10px 0}.topbar .w{flex-wrap:wrap}
.so{width:100%;margin:10px 0 0}
.nav{height:auto}.nav .w{flex-wrap:wrap}
.grid-hero,.grid-2,.hero-main,.cols,.thumbs{grid-template-columns:1fr}
.cover{height:160px}.icons{flex-wrap:wrap}
}