:root{
  --blue:#1554d1;
  --blue-dk:#0e3fa3;
  --blue-lt:#e8effc;
  --ink:#1a1d24;
  --sub:#5a6272;
  --line:#e3e7ef;
  --bg:#f5f7fb;
  --white:#ffffff;
  --red:#e63946;
  --maxw:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  font-size:14px;
  line-height:1.7;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
ul,ol{list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

.topbar{background:#0f1420;color:#aeb6c6;font-size:12px;border-bottom:1px solid #1e2634}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a{color:#aeb6c6}
.topbar a:hover{color:#fff}
.topbar .tb-l{display:flex;gap:18px}
.topbar .tb-r{display:flex;gap:18px}

.site-head{background:var(--white);border-bottom:1px solid var(--line)}
.head-main .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:86px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;border-radius:4px;
}
.brand-txt b{display:block;font-size:22px;letter-spacing:2px;color:var(--ink)}
.brand-txt span{display:block;font-size:11px;color:var(--sub);letter-spacing:3px}
.search{display:flex;flex:1;max-width:420px;margin-left:auto}
.search input{
  flex:1;height:40px;border:2px solid var(--blue);border-right:none;
  padding:0 14px;font-size:13px;outline:none;border-radius:2px 0 0 2px;
}
.search button{
  width:78px;height:40px;background:var(--blue);color:#fff;border:none;
  font-size:14px;cursor:pointer;border-radius:0 2px 2px 0;
}
.search button:hover{background:var(--blue-dk)}
.head-cta{
  display:inline-block;background:var(--red);color:#fff;
  padding:10px 20px;font-size:13px;border-radius:2px;
}
.head-cta:hover{opacity:.9}

.nav-main{background:var(--blue)}
.nav-main .wrap{display:flex;align-items:center;height:48px;gap:0}
.nav-main a{
  color:#fff;font-size:15px;padding:0 22px;height:48px;
  display:inline-flex;align-items:center;position:relative;
}
.nav-main a:hover{background:var(--blue-dk)}
.nav-main a.on{background:var(--blue-dk);font-weight:700}
.menu-toggle{display:none}

.chn-strip{background:var(--white);border-bottom:1px solid var(--line)}
.chn-strip .wrap{display:flex;flex-wrap:wrap;gap:0;padding:10px 20px}
.chn-strip a{
  font-size:13px;color:var(--sub);padding:4px 14px;border-right:1px solid var(--line);
}
.chn-strip a:last-child{border-right:none}
.chn-strip a:hover{color:var(--blue)}

.main-grid{
  display:grid;grid-template-columns:1fr 340px;gap:24px;
  padding:24px 0;
}

.focus{
  display:grid;grid-template-columns:1.6fr 1fr;gap:14px;
  background:var(--white);padding:14px;border:1px solid var(--line);
}
.focus-main{position:relative;overflow:hidden;height:400px;background:#dde3ee;display:block}
.focus-main img{width:100%;height:100%;object-fit:cover}
.focus-main .cap{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(transparent,rgba(0,0,0,.82));
  color:#fff;padding:40px 22px 18px;
}
.focus-main .cap h3{font-size:22px;line-height:1.45;font-weight:700}
.focus-main .cap .m{font-size:12px;opacity:.85;margin-top:8px}
.focus-sub{display:flex;flex-direction:column;gap:14px}
.focus-sub .fs-item{flex:1;position:relative;overflow:hidden;background:#dde3ee;min-height:120px;display:block}
.focus-sub .fs-item img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.focus-sub .fs-item .cap{
  position:relative;z-index:2;height:100%;
  display:flex;align-items:flex-end;
  background:linear-gradient(transparent,rgba(0,0,0,.78));
  color:#fff;padding:14px 16px;
}
.focus-sub .fs-item .cap h4{font-size:14px;line-height:1.45;font-weight:600}

.block{background:var(--white);border:1px solid var(--line);margin-top:24px}
.block-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;height:48px;border-bottom:1px solid var(--line);
}
.block-head h2{
  font-size:16px;font-weight:700;position:relative;padding-left:12px;
}
.block-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:16px;background:var(--blue);border-radius:1px;
}
.block-head .more{font-size:12px;color:var(--sub)}
.block-head .more:hover{color:var(--blue)}

.news-list{padding:6px 16px}
.news-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.news-list li:last-child{border-bottom:none}
.news-list .thumb{
  width:180px;height:110px;flex-shrink:0;overflow:hidden;background:#dde3ee;display:block;
}
.news-list .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-list li:hover .thumb img{transform:scale(1.06)}
.news-list .txt{flex:1;min-width:0}
.news-list .txt h3{font-size:16px;line-height:1.5;font-weight:600}
.news-list .txt h3 a:hover{color:var(--blue)}
.news-list .txt p{
  font-size:13px;color:var(--sub);margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-list .txt .m{font-size:12px;color:#98a2b3;margin-top:10px}
.news-list .txt .m span{margin-right:14px}

.grid-news{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
.grid-news .gi{
  padding:16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:block;
}
.grid-news .gi:nth-child(2n){border-right:none}
.grid-news .gi img{width:100%;height:150px;object-fit:cover;background:#dde3ee}
.grid-news .gi h3{font-size:15px;line-height:1.5;margin-top:10px;font-weight:600}
.grid-news .gi h3 a:hover{color:var(--blue)}
.grid-news .gi .m{font-size:12px;color:#98a2b3;margin-top:8px}

.side .block{margin-top:0;margin-bottom:24px}
.rank-list{padding:6px 16px 12px}
.rank-list li{
  display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);
}
.rank-list li:last-child{border-bottom:none}
.rank-list .no{
  width:20px;height:20px;flex-shrink:0;background:#eef1f6;color:var(--sub);
  font-size:12px;display:flex;align-items:center;justify-content:center;
  border-radius:2px;font-weight:700;
}
.rank-list li:nth-child(1) .no{background:var(--red);color:#fff}
.rank-list li:nth-child(2) .no{background:#ff8c42;color:#fff}
.rank-list li:nth-child(3) .no{background:#f6c445;color:#fff}
.rank-list .rt{font-size:13px;line-height:1.55;flex:1}
.rank-list .rt a:hover{color:var(--blue)}

.tag-cloud{padding:14px 16px}
.tag-cloud a{
  display:inline-block;padding:5px 12px;margin:0 8px 8px 0;
  background:var(--bg);border:1px solid var(--line);
  font-size:12px;color:var(--sub);border-radius:2px;
}
.tag-cloud a:hover{background:var(--blue);border-color:var(--blue);color:#fff}

.site-foot{background:#0f1420;color:#8b93a5;margin-top:40px;padding:44px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-brand b{display:block;color:#fff;font-size:20px;letter-spacing:2px;margin-bottom:12px}
.foot-brand p{font-size:12.5px;line-height:1.9;max-width:30em}
.foot-col h4{color:#fff;font-size:13px;margin-bottom:14px;font-weight:600}
.foot-col li{margin-bottom:9px}
.foot-col a{font-size:12.5px;color:#8b93a5}
.foot-col a:hover{color:#fff}
.foot-bottom{
  margin-top:36px;border-top:1px solid #1e2634;padding:18px 0;
  text-align:center;font-size:12px;color:#5a6272;
}

.crumb{font-size:12px;color:var(--sub);padding:14px 0}
.crumb a{color:var(--sub)}
.crumb a:hover{color:var(--blue)}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.list-grid .li{
  background:var(--white);border:1px solid var(--line);display:block;
  transition:box-shadow .3s,border-color .3s;
}
.list-grid .li:hover{box-shadow:0 6px 20px rgba(21,84,209,.10);border-color:#cdd8ee}
.list-grid .li img{width:100%;height:170px;object-fit:cover;background:#dde3ee}
.list-grid .li .body{padding:14px}
.list-grid .li .cat{font-size:12px;color:var(--blue);margin-bottom:6px}
.list-grid .li h3{font-size:15px;line-height:1.5;font-weight:600;min-height:44px}
.list-grid .li h3 a:hover{color:var(--blue)}
.list-grid .li p{
  font-size:12.5px;color:var(--sub);margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.list-grid .li .m{font-size:12px;color:#98a2b3;margin-top:10px}

.pager{display:flex;justify-content:center;gap:8px;padding:34px 0}
.pager a,.pager span{
  min-width:36px;height:36px;padding:0 12px;background:#fff;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--sub);border-radius:2px;
}
.pager a:hover{border-color:var(--blue);color:var(--blue)}

.article-layout{display:grid;grid-template-columns:1fr 300px;gap:24px;padding:24px 0}
.article-box{background:#fff;border:1px solid var(--line);padding:34px 40px 40px}
.article-box h1{font-size:26px;line-height:1.5;font-weight:700}
.article-meta{
  font-size:12.5px;color:var(--sub);margin-top:14px;
  padding-bottom:18px;border-bottom:1px solid var(--line);
}
.article-meta span{margin-right:18px}
.article-body{font-size:15.5px;line-height:2;color:#2a2f3a;margin-top:24px}
.article-body p{margin-bottom:20px}
.article-body h2{font-size:19px;margin:32px 0 16px;font-weight:700;padding-left:10px;border-left:4px solid var(--blue)}
.article-body h3{font-size:16px;margin:26px 0 12px;font-weight:700}
.article-body img{margin:20px 0}
.article-body blockquote{
  background:var(--blue-lt);border-left:4px solid var(--blue);
  padding:14px 18px;margin:22px 0;color:var(--blue-dk);font-size:14.5px;
}
.article-nav{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--sub);
}
.article-nav a:hover{color:var(--blue)}

@media(max-width:1240px){
  .main-grid{grid-template-columns:1fr 300px}
  .focus-main{height:340px}
  .list-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr 260px}
  .article-box{padding:28px 26px 32px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
  .foot-grid .foot-col:last-child{grid-column:span 3}
}

@media(max-width:768px){
  .topbar{display:none}
  .head-main .wrap{height:auto;padding:12px 20px;flex-wrap:wrap;gap:12px}
  .search{order:3;width:100%;max-width:100%;margin-left:0}
  .head-cta{display:none}
  .menu-toggle{
    display:block;width:38px;height:38px;background:var(--blue);border:none;
    cursor:pointer;border-radius:2px;position:relative;
  }
  .menu-toggle span{
    position:absolute;left:10px;right:10px;height:2px;background:#fff;
  }
  .menu-toggle span:nth-child(1){top:12px}
  .menu-toggle span:nth-child(2){top:18px}
  .menu-toggle span:nth-child(3){top:24px}
  .nav-main .wrap{height:auto;flex-direction:column;align-items:stretch;display:none}
  .nav-main .wrap.open{display:flex}
  .nav-main a{padding:14px 20px;height:auto;border-bottom:1px solid rgba(255,255,255,.12)}
  .chn-strip .wrap{padding:8px 12px}
  .chn-strip a{padding:4px 10px;font-size:12px}
  .main-grid{grid-template-columns:1fr;padding:16px 0}
  .focus{grid-template-columns:1fr;padding:10px}
  .focus-main{height:220px}
  .focus-main .cap{padding:30px 14px 12px}
  .focus-main .cap h3{font-size:16px}
  .focus-sub{flex-direction:row}
  .focus-sub .fs-item{min-height:90px}
  .focus-sub .fs-item .cap h4{font-size:12px}
  .news-list .thumb{width:120px;height:80px}
  .news-list .txt h3{font-size:14.5px}
  .grid-news{grid-template-columns:1fr}
  .grid-news .gi{border-right:none}
  .list-grid{grid-template-columns:1fr}
  .article-layout{grid-template-columns:1fr;padding:16px 0}
  .article-box{padding:20px 16px 26px}
  .article-box h1{font-size:19px}
  .article-body{font-size:15px}
  .site-foot{padding:30px 0 0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:22px}
  .foot-grid .foot-brand{grid-column:span 2}
  .foot-grid .foot-col:last-child{grid-column:span 2}
}