body.site{margin:0;color:#172033;background:radial-gradient(circle at top left,rgba(32,98,182,.12),transparent 34%),radial-gradient(circle at right top,rgba(255,176,0,.12),transparent 26%),#f4f7fb;font-family:var(--font-serif),"Times New Roman",serif;line-height:1.6}body.site *,body.site :after,body.site :before{box-sizing:border-box}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%}body.site .site-shell{width:min(100%,1200px);margin:0 auto;padding:0 14px}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:30;background:rgba(244,247,251,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(23,32,51,.08)}body.site .header-row{display:flex;align-items:center;gap:10px;min-height:62px}body.site .brand{flex:1 1 auto;min-width:0}body.site .brand-link{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;color:#0f1b35}body.site .brand-mark{width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,#1f6ed4,#19b6a2);box-shadow:0 0 0 5px rgba(31,110,212,.12);flex:0 0 auto}body.site .brand-title{font-size:15px;display:block}body.site .brand-home,body.site .brand-title{line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}body.site .brand-home{font-size:16px;margin:0}body.site .brand-meta{display:none}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(23,32,51,.14);background:#ffffff;color:#0f1b35;border-radius:999px;width:42px;height:42px;padding:0;flex:0 0 auto;box-shadow:0 8px 20px rgba(15,27,53,.07);position:relative}body.site .menu:after,body.site .menu:before{content:"";position:absolute;left:11px;right:11px;height:2px;border-radius:999px;background:currentColor;transition:transform .2s ease,top .2s ease,opacity .2s ease}body.site .menu:before{top:15px;box-shadow:0 7px 0 currentColor}body.site .menu:after{top:22px}body.site .nav-list{display:none;list-style:none;margin:0;padding:0 14px 14px;border-top:1px solid rgba(23,32,51,.08);background:rgba(244,247,251,.98)}body.site.nav-open .nav-list{display:block}body.site .nav-list>li{position:relative;border-bottom:1px solid rgba(23,32,51,.08)}body.site .nav-list>li>a,body.site .nav-list>li>span{display:flex;justify-content:space-between;align-items:center;padding:12px 0;font-size:15px;font-weight:600;color:#12203f}body.site .nav-list>li>a:after,body.site .nav-list>li>span:after{content:""}body.site .nav-list>li>ul{display:none;list-style:none;margin:0 0 10px;padding:0 0 0 12px;border-left:2px solid rgba(31,110,212,.18)}body.site .nav-list>li.tap>ul{display:block}body.site .nav-list>li>ul a{display:block;padding:9px 0;color:#42506a;font-size:14px}body.site .page{padding:16px 0 28px}body.site .hero{display:grid;grid-gap:14px;gap:14px}body.site .article-card,body.site .hero-card,body.site .list-card,body.site .panel,body.site .tag-card{background:rgba(255,255,255,.78);border:1px solid rgba(23,32,51,.08);border-radius:20px;box-shadow:0 16px 30px rgba(15,27,53,.06)}body.site .hero-card{overflow:hidden}body.site .hero-copy{padding:16px}body.site h1{margin:0;font-size:16px;line-height:1.25;letter-spacing:.01em;color:#0e1830}body.site h2{margin:0;font-size:14px;line-height:1.5;color:#253551}body.site .article-card p,body.site .hero-copy p,body.site .list-card p,body.site .panel p{margin:0;color:#52607c;font-size:14px}body.site .hero-media{position:relative;aspect-ratio:16/10;overflow:hidden}body.site .hero-media img{object-fit:cover}body.site .hero-grid,body.site .stack{display:grid;grid-gap:14px;gap:14px}body.site .panel{padding:14px}body.site .section-title{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px}body.site .section-title strong{font-size:14px;color:#0f1b35}body.site .section-title span{font-size:12px;color:#6a7690}body.site .block-grid{display:grid;grid-gap:14px;gap:14px}body.site .block-card{overflow:hidden}body.site .block-card .block-media{position:relative;aspect-ratio:5/3}body.site .block-card .block-media img{object-fit:cover}body.site .block-card .block-body{padding:14px}body.site .block-card .block-body h2{margin-bottom:6px}body.site .crumbs ol,body.site .friend-list,body.site .hot-list,body.site .pager,body.site .tag-list,body.site .toc-list{list-style:none;margin:0;padding:0}body.site .hot-list{display:grid;grid-gap:10px;gap:10px}body.site .friend-list a,body.site .hot-list a,body.site .tag-list a{display:block;padding:11px 12px;border-radius:14px;background:#fff;border:1px solid rgba(23,32,51,.08);color:#183153}body.site .hot-list a{font-size:14px}body.site .tag-list{display:flex;flex-wrap:wrap;gap:10px}body.site .tag-list a{padding-inline:14px;font-size:13px}body.site .friend-links{margin-top:14px}body.site #friend-links{padding:14px}body.site .crumbs{margin:4px 0 14px}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:#66738d;font-size:12px}body.site .crumbs li{display:inline-flex;align-items:center;gap:8px}body.site .crumbs li+li:before{content:">";color:#97a1b5}body.site .crumbs a{color:#2d456d}body.site .article-shell,body.site .list-shell{display:grid;grid-gap:14px;gap:14px}body.site .article-head,body.site .list-head{padding:16px}body.site .article-desc,body.site .cat-desc{margin-top:10px;font-size:14px;color:#54627d}body.site .article-meta{display:grid;grid-gap:12px;gap:12px}body.site .article-cover{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:20px 20px 0 0}body.site .article-cover img{object-fit:cover}body.site .toc{padding:14px 16px}body.site .toc nav{margin:0}body.site .toc a{color:#24406a}body.site .toc-list{display:grid;grid-gap:8px;gap:8px;font-size:13px}body.site .copy{padding:0 16px 16px;color:#1f2a3f;font-size:15px}body.site .copy h2{margin:22px 0 10px;font-size:15px;line-height:1.35;color:#10203f}body.site .copy blockquote,body.site .copy ol,body.site .copy p,body.site .copy table,body.site .copy ul{margin:0 0 14px}body.site .copy img{border-radius:16px}body.site .article-card,body.site .list-card{overflow:hidden}body.site .article-list,body.site .cards{display:grid;grid-gap:12px;gap:12px}body.site .article-item,body.site .list-item{overflow:hidden}body.site .article-item a,body.site .list-item a{display:grid;grid-gap:10px;gap:10px;padding:12px}body.site .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:14px;background:#e8eef8}body.site .thumb img{object-fit:cover}body.site .article-item h2,body.site .list-item h2{font-size:15px}body.site .pager{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:4px 0 0}body.site .pager a,body.site .pager span{min-width:40px;text-align:center;padding:10px 12px;border-radius:999px;border:1px solid rgba(23,32,51,.12);background:rgba(255,255,255,.85)}body.site .error-box,body.site .loading-box,body.site .not-found{padding:28px 16px;text-align:center}@media (min-width:769px){body.site .site-shell{padding:0 24px}body.site .header-row{min-height:74px;gap:18px}body.site .menu{display:none}body.site .nav-list{display:flex!important;align-items:center;gap:18px;padding:0;border:0;background:transparent}body.site .nav-list>li{border:0;padding:18px 0}body.site .nav-list>li>a,body.site .nav-list>li>span{padding:0;font-size:14px}body.site .nav-list>li>ul{position:absolute;top:100%;left:0;min-width:210px;padding:10px;border:1px solid rgba(23,32,51,.1);border-radius:16px;background:#fff;box-shadow:0 16px 30px rgba(15,27,53,.12);z-index:20}body.site .nav-list>li:hover>ul{display:block}body.site .hero{grid-template-columns:1.2fr .8fr;align-items:stretch}body.site .hero-grid{grid-template-columns:1fr 1fr}body.site .block-grid{grid-template-columns:repeat(3,minmax(0,1fr))}body.site .stack{grid-template-columns:1fr 1fr}body.site .article-shell,body.site .list-shell{grid-template-columns:minmax(0,1fr) 320px;align-items:start}body.site .article-head,body.site .list-head{padding:20px}body.site .copy{padding:0 20px 20px;font-size:16px}}