:root{
  --blue:#0b2a4a; --blue-2:#123a63; --red:#c8102e; --ink:#111827; --muted:#6b7280;
  --line:#e5e7eb; --bg:#f7f8fa; --card:#fff; --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Segoe UI",Roboto,-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}

/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.topbar{background:var(--blue);color:#cbd5e1;font-size:12.5px}
.topbar-in{display:flex;justify-content:space-between;padding:6px 18px}
.topbar-tag{text-transform:none;opacity:.85}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 18px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;
  background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;font-weight:800;letter-spacing:.5px}
.brand-text{font-size:24px;font-weight:800;letter-spacing:-.6px;color:var(--blue)}
.brand-text em{font-style:normal;color:var(--red)}
.search{display:flex;gap:8px;flex:1;max-width:420px}
.search input{flex:1;padding:10px 14px;border:1px solid var(--line);border-radius:999px;font-size:15px;outline:none;background:#f9fafb}
.search input:focus{border-color:var(--blue);background:#fff}
.search button{padding:10px 18px;border:0;border-radius:999px;background:var(--blue);color:#fff;font-weight:600;cursor:pointer}
.search button:hover{background:var(--blue-2)}
.mainnav{border-top:1px solid var(--line);background:#fff}
.nav-in{display:flex;gap:26px;overflow-x:auto;padding:0 18px;scrollbar-width:none}
.nav-in::-webkit-scrollbar{display:none}
.nav-in a{padding:13px 0;font-weight:600;font-size:15px;color:#374151;white-space:nowrap;border-bottom:3px solid transparent}
.nav-in a:hover{color:var(--blue);border-bottom-color:var(--red)}
.nav-home{color:var(--red)!important}

/* main */
.main{padding:26px 18px 60px}

/* hero */
.hero{display:grid;grid-template-columns:1.7fr 1fr;gap:26px;margin-bottom:38px}
.hero-side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.side-title{margin:0 0 14px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--red)}
.ranked{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.ranked li{display:flex;gap:12px;align-items:flex-start;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.ranked li:last-child{border:0;padding-bottom:0}
.rank{flex:0 0 26px;height:26px;border-radius:8px;background:#eef2f7;color:var(--blue);font-weight:800;font-size:13px;display:grid;place-items:center}
.ranked a{font-weight:600;font-size:15px;line-height:1.35}
.ranked a:hover{color:var(--red)}

/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(16,24,40,.12)}
.card-link{display:flex;flex-direction:column;height:100%}
.card-img{aspect-ratio:16/9;background:linear-gradient(135deg,#e8eef6,#dde7f2);overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-img img{transform:scale(1.05)}
.card-img-empty{display:grid;place-items:center;background:linear-gradient(135deg,#eef3f9,#e2eaf4);color:#94a3b8;font-weight:800;font-size:15px;letter-spacing:.18em}
.card-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px}
.cat{display:inline-block;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--red);font-weight:800}
.cat-lg{font-size:13px}
.card h3{margin:0;font-size:18px;line-height:1.3;font-weight:700}
.card:hover h3{color:var(--blue)}
.meta{font-size:13px;color:var(--muted);margin-top:auto}
.excerpt{margin:0;color:#4b5563;font-size:15.5px}
.card-big .card-img{aspect-ratio:16/9}
.card-big h3{font-size:29px;line-height:1.2}
.card-big .card-body{padding:22px 24px 26px;gap:11px}

/* section titles */
.section-title,.section-head h1{font-size:26px;margin:0 0 20px;letter-spacing:-.4px}
.section-head{display:flex;align-items:baseline;gap:14px;margin-bottom:22px;border-bottom:2px solid var(--line);padding-bottom:12px}
.section-head h1{margin:0}
.count{color:var(--muted);font-size:14px}

/* article */
.article{max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px 40px 44px;box-shadow:var(--shadow)}
.crumbs{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.crumbs a:hover{color:var(--red)}
.article-head h1{font-size:38px;line-height:1.15;letter-spacing:-.8px;margin:10px 0 14px}
.lede{font-size:19px;color:#374151;margin:0 0 18px}
.byline{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:14.5px;flex-wrap:wrap}
.author{font-weight:700;color:var(--blue)}
.dot{opacity:.5}
.article-hero{margin:26px -40px 30px;border-radius:0}
.article-hero img{width:100%;max-height:460px;object-fit:cover}
.article-body{font-size:18.5px;line-height:1.75;color:#1f2937}
.article-body p{margin:0 0 1.1em}
.article-body h2,.article-body h3{line-height:1.25;margin:1.6em 0 .6em;letter-spacing:-.3px}
.article-body img{border-radius:10px;margin:1.4em 0}
.article-body blockquote{margin:1.4em 0;padding:14px 20px;border-left:4px solid var(--red);background:#fef2f2;color:#374151}
.article-body a{color:var(--blue);text-decoration:underline}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.1em}
.article-body iframe{max-width:100%}
.share{display:flex;gap:12px;align-items:center;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);font-size:14px;flex-wrap:wrap}
.share a{padding:7px 14px;border-radius:999px;background:#eef2f7;font-weight:600}
.share a:hover{background:var(--blue);color:#fff}
.related{margin-top:44px}
.related h2{font-size:22px;margin:0 0 18px}

/* search page */
.search-page{max-width:none;margin:0 0 22px}
.search-info{color:var(--muted);margin:0 0 20px}

/* pagination */
.pager{display:flex;gap:8px;justify-content:center;align-items:center;margin-top:40px;flex-wrap:wrap;font-size:15px}
.pager a,.pager span{padding:9px 14px;border-radius:10px;border:1px solid var(--line);background:#fff;font-weight:600}
.pager a:hover{border-color:var(--blue);color:var(--blue)}
.pager .cur{background:var(--blue);color:#fff;border-color:var(--blue)}

/* 404 */
.notfound{text-align:center;padding:70px 20px}
.notfound h1{font-size:64px;margin:0;color:var(--blue)}
.btn{display:inline-block;margin-top:18px;padding:11px 20px;border-radius:10px;background:var(--blue);color:#fff;font-weight:700}

/* footer */
.site-footer{background:var(--blue);color:#cbd5e1;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px;padding:44px 18px 30px}
.site-footer h4{color:#fff;font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin:0 0 14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;font-size:14.5px}
.site-footer a:hover{color:#fff}
.foot-desc{font-size:14.5px;max-width:420px}
.brand-foot .brand-text{color:#fff}
.brand-foot .brand-mark{background:#fff;color:var(--blue)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);padding:16px 18px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* responsive */
@media(max-width:920px){
  .hero{grid-template-columns:1fr}
  .article{padding:26px 22px 34px}
  .article-head h1{font-size:29px}
  .article-hero{margin:22px -22px 24px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .card-big h3{font-size:23px}
}
@media(max-width:620px){
  body{font-size:16px}
  .header-in{flex-wrap:wrap;gap:12px}
  .search{max-width:none;order:3;flex-basis:100%}
  .article-body{font-size:17.5px}
  .footer-grid{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
}