body.site{margin:0;color:#102236;background:radial-gradient(circle at top,rgba(36,85,129,.12),transparent 34%),linear-gradient(180deg,#f4f8fc,#eef4f9);font-family:var(--font-serif),Georgia,"Times New Roman",serif;line-height:1.7}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%;height:auto}body.site .chrome{width:100%}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;background:rgba(244,248,252,.94);border-bottom:1px solid rgba(16,34,54,.12);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}body.site .article-shell,body.site .footer-inner,body.site .header-inner,body.site .home-shell,body.site .list-shell{width:min(1180px,calc(100% - 24px));margin:0 auto}body.site .header-inner{display:flex;align-items:center;gap:10px;min-height:60px}body.site .brand{min-width:0;flex:1 1;font-size:15px;font-weight:700;letter-spacing:.04em;text-transform:none;color:#13273e;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}body.site .brand h1{margin:0;font-size:16px;line-height:1.2}body.site .brand-link{font-size:15px;font-weight:700}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(16,34,54,.18);background:#ffffff;color:#102236;border-radius:999px;padding:8px 12px;font:inherit;font-size:13px;line-height:1}body.site .nav-wrap{position:relative}body.site .nav-list{position:absolute;right:0;top:calc(100% + 10px);display:none;width:min(320px,calc(100vw - 24px));margin:0;padding:10px;list-style:none;background:#ffffff;border:1px solid rgba(16,34,54,.16);box-shadow:0 18px 40px rgba(15,31,48,.12);border-radius:18px;max-height:calc(100vh - 84px);overflow:auto}body.site.nav-open .nav-list{display:block}body.site .nav-item{position:relative;margin:0}body.site .nav-item+.nav-item{margin-top:6px}body.site .nav-group-label,body.site .nav-link{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:11px 12px;border-radius:12px;font-size:14px;color:#102236;background:#f8fbfe}body.site .nav-group-label{cursor:pointer}body.site .nav-item.has-children>.nav-group-label:after{content:"▾";font-size:11px;opacity:.75}body.site .nav-sublist{display:none;list-style:none;margin:6px 0 0;padding:8px;background:#ffffff;border:1px solid rgba(16,34,54,.12);border-radius:14px}body.site .nav-item.has-children:hover>.nav-sublist,body.site .nav-item.tap>.nav-sublist{display:block}body.site .nav-sublist .nav-link{background:transparent;padding:9px 10px}body.site .hero{padding:18px 0 14px}body.site .hero-grid{display:grid;grid-gap:14px;gap:14px}body.site .article-card,body.site .card,body.site .crumbs,body.site .feature,body.site .friend-box,body.site .hero-copy,body.site .list-card,body.site .pager a,body.site .pager span,body.site .panel,body.site .tag-link,body.site .toc{background:rgba(255,255,255,.74);border:1px solid rgba(16,34,54,.1);box-shadow:0 14px 34px rgba(26,46,70,.06);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}body.site .hero-copy{border-radius:24px;padding:18px}body.site h1{margin:0;font-size:16px;line-height:1.25}body.site .article-card p,body.site .card p,body.site .hero-copy p,body.site .list-card p,body.site .panel p{margin:0}body.site .hero-visual{border-radius:24px;overflow:hidden;min-height:220px}body.site .hero-visual img{width:100%;height:100%;object-fit:cover}body.site .section-title{margin:0 0 10px;font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:#35506d}body.site .home-grid{display:grid;grid-gap:14px;gap:14px;padding-bottom:24px}body.site .feature{border-radius:22px;overflow:hidden}body.site .article-card a,body.site .card a,body.site .feature a,body.site .hot-link,body.site .list-card a,body.site .tag-link{display:block}body.site .article-card-body,body.site .card-body,body.site .feature-copy,body.site .list-card-body{padding:14px}body.site .article-card h2,body.site .article-desc,body.site .card h2,body.site .cat-desc,body.site .feature h2,body.site .list-card h2{margin:0;font-size:14px;line-height:1.55}body.site .article-desc,body.site .cat-desc{margin-top:8px;color:#3c566f;font-weight:400}body.site .split{display:grid;grid-gap:14px;gap:14px}body.site .article-card,body.site .card,body.site .crumbs,body.site .friend-box,body.site .list-card,body.site .panel,body.site .toc{border-radius:20px}body.site .article-card,body.site .card,body.site .friend-box,body.site .list-card,body.site .panel{overflow:hidden}body.site .article-head,body.site .list-head,body.site .panel-head{padding:14px 14px 0}body.site .article-list,body.site .crumbs ol,body.site .friend-list,body.site .hot-list,body.site .tag-grid,body.site .toc ol{list-style:none;margin:0;padding:0}body.site .article-list li+li,body.site .friend-list li+li,body.site .hot-list li+li{margin-top:10px}body.site .hot-link,body.site .tag-link{padding:12px 14px}body.site .tag-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px}body.site .tag-link{border-radius:16px}body.site .crumbs{padding:10px 14px;margin-bottom:14px}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13px;color:#4d6780}body.site .crumbs li+li:before{content:">";margin-right:6px;color:#7b92a8}body.site .toc{padding:14px;margin:14px 0}body.site .toc ol{display:grid;grid-gap:8px;gap:8px}body.site .toc a{color:#16314c}body.site .copy{padding:6px 0 18px}body.site .copy h2{margin:22px 0 10px;font-size:15px}body.site .copy blockquote,body.site .copy ol,body.site .copy p,body.site .copy ul{margin:0 0 14px}body.site .copy img{border-radius:18px;margin:14px 0}body.site .friend-box{margin:0 0 18px}body.site #friend-links{padding:14px}body.site .footer{padding:12px 0 18px;color:#51667b;font-size:13px}body.site .pager{display:flex;gap:10px;justify-content:center;margin:18px 0 0}body.site .pager a,body.site .pager span{min-width:42px;text-align:center;padding:9px 12px;border-radius:999px}body.site .hidden-title{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (min-width:769px){body.site .header-inner{min-height:72px}body.site .menu{display:none}body.site .nav-wrap{flex:0 0 auto}body.site .nav-list{position:static;display:flex;gap:8px;width:auto;max-height:none;padding:0;border:0;box-shadow:none;background:transparent}body.site .nav-item{margin:0}body.site .nav-item+.nav-item{margin-top:0}body.site .nav-group-label,body.site .nav-link{background:transparent;padding:10px 12px;border-radius:999px}body.site .nav-sublist{position:absolute;left:0;top:100%;min-width:220px;z-index:8}body.site .hero-grid{grid-template-columns:1.08fr .92fr;align-items:stretch}body.site .home-grid{grid-template-columns:1.15fr .85fr}body.site .split{grid-template-columns:1.1fr .9fr}body.site .tag-grid{grid-template-columns:repeat(3,minmax(0,1fr))}body.site .article-shell,body.site .home-shell,body.site .list-shell{padding-bottom:28px}}