body.site{margin:0;color:#10202e;background:radial-gradient(circle at top left,rgba(67,132,200,.14),transparent 30%),linear-gradient(180deg,#f5f8fc,#eef3f8);font-family:var(--font-serif),Georgia,serif;line-height:1.6}body.site a{color:inherit;text-decoration:none}body.site a:hover{text-decoration:underline}body.site img{display:block;max-width:100%;height:auto}body.site .site-shell{width:min(1180px,calc(100% - 28px));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(245,248,252,.88);border-bottom:1px solid rgba(16,32,46,.1)}body.site .site-header-inner{display:flex;align-items:center;gap:12px;min-height:60px;padding:10px 0}body.site .brand{min-width:0;flex:1 1 auto;display:flex;align-items:center}body.site .brand a,body.site .brand h1{font-size:16px;line-height:1.2;margin:0;letter-spacing:.04em;font-weight:700}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(16,32,46,.18);background:#ffffff;color:#10202e;border-radius:999px;padding:8px 12px;font-size:13px;line-height:1;box-shadow:0 6px 18px rgba(16,32,46,.06)}body.site .site-nav{display:none;margin-top:8px;padding-bottom:12px}body.site.nav-open .site-nav{display:block}body.site .nav-list{list-style:none;margin:0;padding:0;display:grid;grid-gap:6px;gap:6px}body.site .nav-list>li{position:relative}body.site .nav-list>li>a,body.site .nav-list>li>span{display:flex;align-items:center;justify-content:space-between;gap:8px;border:1px solid rgba(16,32,46,.1);background:#ffffff;border-radius:14px;padding:10px 12px;box-shadow:0 8px 20px rgba(16,32,46,.05)}body.site .nav-list>li>ul{display:none;list-style:none;margin:6px 0 0;padding:8px;border:1px solid rgba(16,32,46,.12);background:#ffffff;border-radius:14px;box-shadow:0 16px 40px rgba(16,32,46,.12)}body.site .nav-list>li.tap>ul{display:grid;grid-gap:4px;gap:4px}body.site .nav-list>li>ul a{display:block;padding:8px 10px;border-radius:10px;color:#28435d}body.site .crumbs{margin:16px 0 0;padding:0}body.site .crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;color:#53697d;font-size:13px}body.site .crumbs li+li:before{content:">";margin-right:6px;color:#8aa0b4}body.site main{padding:18px 0 40px}body.site .hero-grid{display:grid;grid-gap:14px;gap:14px}body.site .article-card,body.site .copy-wrap,body.site .friend-block,body.site .hero-card,body.site .list-card,body.site .panel,body.site .tile,body.site .toc-wrap{background:rgba(255,255,255,.9);border:1px solid rgba(16,32,46,.09);border-radius:18px;box-shadow:0 14px 36px rgba(16,32,46,.06)}body.site .hero-card{overflow:hidden}body.site .hero-copy{padding:18px}body.site .hero-copy h1,body.site .page-head h1{margin:0;font-size:16px;line-height:1.35}body.site .article-desc,body.site .cat-desc,body.site .hero-copy h2{margin:10px 0 0;font-size:14px;font-weight:500;color:#4d6578}body.site .cover,body.site .hero-media{overflow:hidden}body.site .cover img,body.site .hero-media img{width:100%;height:auto}body.site .home-grid{display:grid;grid-gap:14px;gap:14px;margin-top:14px}body.site .panel{padding:16px}body.site .panel h2,body.site .panel h3,body.site .section-head h2,body.site .section-head h3{margin:0;font-size:15px;line-height:1.35}body.site .article-list,body.site .friend-links,body.site .hot-list,body.site .tag-list{list-style:none;margin:12px 0 0;padding:0;display:grid;grid-gap:10px;gap:10px}body.site .article-list a,body.site .friend-links a,body.site .hot-list a,body.site .tag-list a{display:block}body.site .article-list li{display:grid;grid-gap:10px;gap:10px;padding:12px;border:1px solid rgba(16,32,46,.08);border-radius:14px;background:#fff}body.site .article-title{font-size:15px;margin:0}body.site .article-meta{color:#607487;font-size:13px}body.site .copy-wrap{padding:16px}body.site .toc-wrap{padding:14px 16px;margin-bottom:14px}body.site .toc-wrap nav,body.site .toc-wrap ol{margin:0}body.site .toc-wrap ol{padding-left:18px;display:grid;grid-gap:6px;gap:6px}body.site .copy{font-size:15px;color:#193042}body.site .copy h2{margin:1.5em 0 .7em;font-size:15px;line-height:1.35}body.site .copy blockquote,body.site .copy ol,body.site .copy p,body.site .copy table,body.site .copy ul{margin:0 0 1em}body.site .pager{margin-top:18px}body.site .pager ol{list-style:none;display:flex;gap:8px;flex-wrap:wrap;margin:0;padding:0}body.site .pager a,body.site .pager span{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:999px;border:1px solid rgba(16,32,46,.1);background:#fff}body.site #friend-links{margin-top:18px;padding:16px}body.site footer{padding:18px 0 28px;color:#607487;font-size:13px}body.site .site-foot{display:flex;flex-wrap:wrap;gap:8px 14px}@media (min-width:769px){body.site .site-header-inner{min-height:74px}body.site .menu{display:none}body.site .site-nav{display:block;margin-top:0;padding-bottom:0;flex:0 0 auto}body.site .site-header-inner{align-items:center}body.site .nav-list{display:flex;gap:10px;align-items:center}body.site .nav-list>li{position:relative}body.site .nav-list>li>a,body.site .nav-list>li>span{white-space:nowrap}body.site .nav-list>li>ul{position:absolute;top:calc(100% + 8px);left:0;min-width:220px}body.site .nav-list>li:hover>ul{display:grid}body.site .hero-grid{grid-template-columns:1.25fr .95fr;align-items:stretch}body.site .home-grid{grid-template-columns:1.1fr .9fr;gap:18px}body.site .article-list{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .site-footer-inner,body.site .site-shell{width:min(1220px,calc(100% - 48px))}}