body.site{margin:0;color:#10233a;background:radial-gradient(circle at top,rgba(34,112,184,.12),transparent 32%),linear-gradient(180deg,#f6f8fb,#eef3f8 38%,#f7f9fc);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 .site-shell{width:min(1180px,calc(100vw - 24px));margin:0 auto}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:rgba(246,248,251,.88);border-bottom:1px solid rgba(16,35,58,.08)}body.site .site-header-inner{width:min(1180px,calc(100vw - 24px));margin:0 auto;padding:12px 0;display:grid;grid-template-columns:1fr auto;grid-gap:10px 14px;gap:10px 14px;align-items:center}body.site .brand{display:inline-flex;align-items:center;gap:10px;min-width:0}body.site .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,#1f5fa8,#2c86d9);box-shadow:0 12px 30px rgba(31,95,168,.22);flex:0 0 auto}body.site .brand-title{font-size:16px;line-height:1.15;margin:0;letter-spacing:.04em}body.site .brand-link{font-size:16px;line-height:1.15;font-weight:700}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(16,35,58,.14);background:#ffffff;color:#10233a;border-radius:999px;padding:10px 14px;font-size:14px;line-height:1}body.site.nav-open .menu{background:#10233a;color:#fff}body.site .nav-list{grid-column:1/-1;display:none;list-style:none;margin:0;padding:10px 0 0;gap:8px}body.site.nav-open .nav-list{display:grid}body.site .nav-list>li{position:relative;border:1px solid rgba(16,35,58,.1);border-radius:16px;background:rgba(255,255,255,.92);overflow:clip}body.site .nav-list>li>a,body.site .nav-list>li>span{display:block;padding:12px 14px;font-size:15px;font-weight:600}body.site .nav-list>li>ul{display:none;list-style:none;margin:0;padding:0 0 10px}body.site .nav-list>li.tap>ul{display:block}body.site .nav-list>li>ul a{display:block;padding:10px 14px 10px 22px;font-size:14px;color:rgba(16,35,58,.88)}body.site main{padding:18px 0 42px}body.site .crumbs{margin:0 0 14px}body.site .crumbs ol,body.site nav[aria-label="面包屑"] ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:0;font-size:13px;color:rgba(16,35,58,.7)}body.site nav[aria-label="面包屑"] li+li:before{content:">";margin-right:6px;color:rgba(16,35,58,.45)}body.site .page-title,body.site h1{margin:0;font-size:16px;line-height:1.25;letter-spacing:.02em}body.site h2{margin:0;font-size:15px;line-height:1.45}body.site .article-desc,body.site .cat-desc{margin-top:8px;color:rgba(16,35,58,.76);font-size:14px;line-height:1.7;font-weight:400}body.site .hero-grid{display:grid;grid-gap:14px;gap:14px}body.site .article-frame,body.site .card,body.site .friend-box,body.site .hero-panel,body.site .hot-item,body.site .list-card,body.site .section-box,body.site .story,body.site .tag-chip,body.site .toc-box{border:1px solid rgba(16,35,58,.1);background:rgba(255,255,255,.82);border-radius:20px;box-shadow:0 18px 40px rgba(16,35,58,.06)}body.site .hero-panel{overflow:clip}body.site .hero-copy{padding:16px}body.site .hero-copy p{margin:10px 0 0;color:rgba(16,35,58,.78);font-size:14px}body.site .hero-media{position:relative;min-height:220px}body.site .hero-media img{object-fit:cover}body.site .stack{display:grid;grid-gap:14px;gap:14px}body.site .section-box{padding:14px}body.site .section-box h2,body.site .section-head{margin-bottom:12px}body.site .cards{display:grid;grid-gap:12px;gap:12px}body.site .card{overflow:clip}body.site .card .media{position:relative;aspect-ratio:16/10}body.site .card .media img{object-fit:cover}body.site .card .body{padding:14px}body.site .card .body p,body.site .section-box p,body.site .story p{margin:8px 0 0;color:rgba(16,35,58,.76);font-size:14px}body.site .story{padding:14px}body.site .friend-links ul,body.site .hot-list,body.site .tag-list{display:grid;grid-gap:10px;gap:10px;list-style:none;padding:0;margin:0}body.site .hot-item,body.site .tag-chip{padding:12px 14px}body.site .tag-list{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .pager{margin-top:18px}body.site nav.pager ul{display:flex;gap:10px;list-style:none;padding:0;margin:0;flex-wrap:wrap}body.site nav.pager a,body.site nav.pager span{display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border-radius:999px;border:1px solid rgba(16,35,58,.12);background:rgba(255,255,255,.9)}body.site .article-frame{padding:16px}body.site .article-hero{display:grid;grid-gap:14px;gap:14px;margin-bottom:16px}body.site .article-hero .cover{position:relative;min-height:220px;border-radius:18px;overflow:clip}body.site .article-hero .cover img{object-fit:cover}body.site .article-meta{display:grid;grid-gap:8px;gap:8px}body.site .toc-box{padding:14px;margin:16px 0}body.site .toc-box ol,body.site nav.in-article-toc ol{list-style:decimal;padding-left:20px;margin:0;display:grid;grid-gap:8px;gap:8px}body.site .copy{font-size:15px}body.site .copy h2{margin:22px 0 10px;font-size:16px}body.site .copy blockquote,body.site .copy ol,body.site .copy p,body.site .copy ul{margin:0 0 14px}body.site .friend-box{padding:14px;margin-top:18px}body.site .friend-box ul{display:grid;grid-gap:10px;gap:10px;list-style:none;padding:0;margin:0}body.site .footer-note{padding:16px 0 28px;color:rgba(16,35,58,.62);font-size:13px}@media (min-width:769px){body.site .site-header-inner{grid-template-columns:auto 1fr auto;gap:18px}body.site .menu{display:none}body.site .nav-list{display:flex!important;grid-column:auto;padding:0;justify-content:flex-end;align-items:center;gap:10px}body.site .nav-list>li{border-radius:999px}body.site .nav-list>li>a,body.site .nav-list>li>span{padding:10px 14px}body.site .nav-list>li:hover>ul{display:block}body.site .nav-list>li>ul{position:absolute;top:calc(100% + 8px);left:0;min-width:220px;padding:8px 0;background:#ffffff;border:1px solid rgba(16,35,58,.12);box-shadow:0 18px 40px rgba(16,35,58,.14);border-radius:16px;z-index:10}body.site main{padding:26px 0 56px}body.site .hero-grid{grid-template-columns:minmax(0,1.4fr) minmax(280px,.9fr);align-items:stretch}body.site .cards,body.site .stack{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .article-hero{grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);align-items:stretch}body.site .tag-list{grid-template-columns:repeat(4,minmax(0,1fr))}body.site .friend-box ul{grid-template-columns:repeat(3,minmax(0,1fr))}}