body.site{margin:0;color:#10202f;background:radial-gradient(circle at top left,rgba(71,144,255,.12),transparent 36%),linear-gradient(180deg,#f4f8fc,#ecf2f8);font-family:var(--font-serif),Georgia,serif;line-height:1.7}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%;height:auto}body.site .shell{width:min(1120px,calc(100vw - 32px));margin:0 auto}body.site .chrome{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(244,248,252,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(16,32,47,.1)}body.site .chrome-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}body.site .brand{display:flex;align-items:center;gap:10px;min-width:0}body.site .brand a,body.site .brand h1{margin:0;font-size:16px;line-height:1.2;font-weight:700;letter-spacing:.02em}body.site .brand a{display:inline-flex;align-items:center;padding:8px 0}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(16,32,47,.16);background:#fff;color:#10202f;width:42px;height:42px;border-radius:12px;box-shadow:0 8px 18px rgba(16,32,47,.06)}body.site .nav-list{list-style:none;margin:0;padding:0;display:none}body.site.nav-open .nav-list{display:block}body.site .nav-list>li{position:relative;border-top:1px solid rgba(16,32,47,.08)}body.site .nav-list>li>a,body.site .nav-list>li>span{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 4px;font-size:14px;font-weight:600}body.site .nav-list>li>ul{display:none;list-style:none;margin:0;padding:6px 0 10px 14px}body.site .nav-list>li.tap>ul{display:block}body.site .nav-list>li>ul a{display:block;padding:7px 0;font-size:14px;color:#27415a}body.site .page{padding:18px 0 48px}body.site .crumbs{margin:0 0 14px}body.site .crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0;font-size:13px;color:#5b7083}body.site .crumbs li{display:inline-flex;align-items:center;gap:6px}body.site .crumbs li+li:before{content:">";color:#8aa0b4}body.site .hero{display:grid;grid-gap:16px;gap:16px;align-items:end;margin-bottom:22px}body.site h1{margin:0;font-size:16px;line-height:1.35;letter-spacing:.01em;color:#0d1a26}body.site h2{margin:14px 0 0;font-size:15px;line-height:1.55;color:#284258}body.site .article-desc,body.site .cat-desc{font-weight:400}body.site .card-media,body.site .hero-media{border-radius:18px;overflow:hidden;box-shadow:0 16px 36px rgba(16,32,47,.12)}body.site .home-grid{display:grid;grid-gap:16px;gap:16px}body.site .panel{background:rgba(255,255,255,.82);border:1px solid rgba(16,32,47,.08);border-radius:22px;padding:16px;box-shadow:0 12px 28px rgba(16,32,47,.06)}body.site .panel h2{margin-top:0}body.site .hero-card{display:grid;grid-gap:14px;gap:14px}body.site .article-list,body.site .friend-list,body.site .hot-list,body.site .tag-list{list-style:none;padding:0;margin:0}body.site .friend-list li,body.site .hot-list li,body.site .tag-list li{margin:0}body.site .friend-list a,body.site .hot-list a,body.site .tag-list a{display:block;padding:10px 0;border-bottom:1px solid rgba(16,32,47,.08)}body.site .friend-list li:last-child a,body.site .hot-list li:last-child a,body.site .tag-list li:last-child a{border-bottom:0}body.site .article-list{display:grid;grid-gap:14px;gap:14px}body.site .article-card{display:grid;grid-gap:12px;gap:12px;padding:14px;background:#fff;border:1px solid rgba(16,32,47,.08);border-radius:18px}body.site .article-card h2,body.site .article-card h3{margin:0;font-size:15px}body.site .article-card p{margin:0;color:#557086;font-size:14px}body.site .copy{margin-top:18px;padding:18px;background:rgba(255,255,255,.88);border:1px solid rgba(16,32,47,.08);border-radius:22px;box-shadow:0 12px 28px rgba(16,32,47,.06)}body.site .copy h2{scroll-margin-top:84px;margin-top:24px}body.site .in-article-toc{margin:0 0 16px;padding:14px 16px;background:#f7fbff;border:1px solid rgba(16,32,47,.08);border-radius:18px}body.site .in-article-toc ol{margin:0;padding-left:18px}body.site .in-article-toc li+li{margin-top:8px}body.site .pager{margin-top:22px}body.site .pager ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0}body.site .pager a{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:999px;background:#10202f;color:#fff}body.site #friend-links{margin-top:22px}body.site .site-footer{margin-top:26px;padding:16px 0 26px;color:#607789;font-size:13px}body.site .site-footer .icp{margin-top:8px}@media (min-width:769px){body.site .chrome-row{min-height:72px}body.site .menu{display:none}body.site .nav-list{display:flex;align-items:center;gap:18px}body.site .nav-list>li{border-top:0}body.site .nav-list>li>a,body.site .nav-list>li>span{min-height:72px;padding:0}body.site .nav-list>li>ul{position:absolute;top:calc(100% - 6px);left:0;min-width:180px;padding:10px 12px;background:#fff;border:1px solid rgba(16,32,47,.1);border-radius:16px;box-shadow:0 20px 40px rgba(16,32,47,.14)}body.site .nav-list>li:hover>ul{display:block}body.site .hero{grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:22px}body.site .home-grid{grid-template-columns:1.25fr .75fr}body.site .article-list{grid-template-columns:repeat(2,minmax(0,1fr))}}