body.site{margin:0;background:#eef2f7;color:#18202b;font-family:var(--font-serif),Georgia,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%}body.site button,body.site input,body.site select,body.site textarea{font:inherit}body.site .site-shell{min-height:100vh}body.site .topbar{position:-webkit-sticky;position:sticky;top:0;z-index:40;background:rgba(238,242,247,.94);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(24,32,43,.1)}body.site .topbar-inner{display:flex;align-items:center;gap:12px;width:min(1120px,calc(100% - 24px));margin:0 auto;padding:12px 0}body.site .brand{min-width:0;flex:1 1 auto}body.site .brand a,body.site .brand h1{display:inline-flex;align-items:center;gap:10px;margin:0;font-size:16px;line-height:1.2;font-weight:700;letter-spacing:.03em}body.site .brand-mark{width:11px;height:11px;border-radius:999px;background:linear-gradient(135deg,#1d5cff,#19b7a6);box-shadow:0 0 0 5px rgba(29,92,255,.12)}body.site .menu{flex:0 0 auto;border:1px solid rgba(24,32,43,.16);background:#ffffff;color:#18202b;border-radius:999px;padding:10px 14px;cursor:pointer}body.site .nav-list{display:none;width:min(1120px,calc(100% - 24px));margin:0 auto;padding:0 0 14px;list-style:none}body.site.nav-open .nav-list{display:block}body.site .nav-list>li{position:relative;margin-top:8px}body.site .nav-list>li>a,body.site .nav-list>li>button,body.site .nav-list>li>span{display:flex;align-items:center;justify-content:space-between;width:100%;padding:12px 14px;border:1px solid rgba(24,32,43,.12);border-radius:16px;background:#fff;font-weight:600}body.site .nav-list .subnav{display:none;list-style:none;margin:8px 0 0;padding:8px;border:1px solid rgba(24,32,43,.12);border-radius:18px;background:#ffffff;box-shadow:0 18px 36px rgba(16,24,40,.12)}body.site .nav-list li.tap>.subnav{display:block}body.site .nav-list .subnav a{display:block;padding:10px 12px;border-radius:12px;color:#425066}body.site .main-wrap{width:min(1120px,calc(100% - 24px));margin:0 auto;padding:20px 0 40px}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px;padding:0;list-style:none;color:#5b6677;font-size:13px}body.site .crumbs li{display:inline-flex;align-items:center;gap:8px}body.site .crumbs li+li:before{content:">";color:#8b96a7}body.site .hero-grid{display:grid;grid-gap:16px;gap:16px}body.site .article-card,body.site .chip-card,body.site .cover-card,body.site .feature-card,body.site .hero-card,body.site .story-card,body.site .surface{background:#ffffff;border:1px solid rgba(24,32,43,.1);border-radius:22px;box-shadow:0 16px 40px rgba(17,28,51,.06)}body.site .hero-card{overflow:hidden}body.site .hero-copy{padding:18px}body.site h1{margin:0;line-height:1.3;letter-spacing:.01em}body.site .hero-copy h1,body.site h1{font-size:16px}body.site h2{margin:0;font-size:15px;line-height:1.35}body.site .article-desc,body.site .cat-desc{margin-top:8px;color:#556273;font-size:14px;font-weight:400}body.site .home-columns{margin-top:16px}body.site .block-grid,body.site .home-columns{display:grid;grid-gap:16px;gap:16px}body.site .block-card{overflow:hidden}body.site .block-media{aspect-ratio:16/10;overflow:hidden;background:#dde5ef}body.site .block-body{padding:16px}body.site .section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:12px}body.site .section-head a{color:#355ad6;font-size:13px}body.site .article-list,body.site .friend-list,body.site .hot-list,body.site .tag-list,body.site .toc-list{margin:0;padding:0;list-style:none}body.site .article-list li+li,body.site .friend-list li+li,body.site .hot-list li+li,body.site .tag-list li+li,body.site .toc-list li+li{margin-top:10px}body.site .article-list a,body.site .friend-list a,body.site .hot-list a,body.site .tag-list a{display:block}body.site .tag-list{display:flex;flex-wrap:wrap;gap:10px}body.site .tag-list a{padding:10px 12px;border-radius:999px;background:#e9f0ff;color:#27437f;font-size:13px}body.site .article-list .article-card{overflow:hidden;display:grid}body.site .article-cover{aspect-ratio:16/9;overflow:hidden;background:#dde5ef}body.site .article-body{padding:16px}body.site .meta-line{margin-top:8px;color:#647184;font-size:13px}body.site .pager{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px}body.site .pager a,body.site .pager span{padding:10px 14px;border:1px solid rgba(24,32,43,.12);border-radius:999px;background:#fff}body.site .article-main,body.site .content-hero,body.site .list-main{display:grid;grid-gap:16px;gap:16px}body.site .in-article-toc{padding:16px}body.site .in-article-toc ol{margin:0;padding-left:18px}body.site .copy{padding:18px;overflow:hidden}body.site .copy h2{margin-top:26px;margin-bottom:10px;font-size:15px}body.site .copy blockquote,body.site .copy ol,body.site .copy p,body.site .copy ul{margin-top:0;margin-bottom:14px}body.site .copy img{border-radius:18px}body.site #friend-links{margin-top:24px;padding:16px}body.site .site-footer{width:min(1120px,calc(100% - 24px));margin:0 auto;padding:0 0 28px;color:#657185;font-size:13px}@media (min-width:769px){body.site .topbar-inner{padding:16px 0}body.site .menu{display:none}body.site .nav-list{display:flex!important;align-items:center;justify-content:flex-end;gap:10px;padding-bottom:0}body.site .nav-list>li{margin-top:0}body.site .nav-list>li>a,body.site .nav-list>li>button,body.site .nav-list>li>span{width:auto;padding:10px 14px}body.site .nav-list>li:hover>.subnav{display:block}body.site .nav-list .subnav{position:absolute;top:calc(100% + 8px);left:0;min-width:220px;z-index:20}body.site .hero-grid{grid-template-columns:1.35fr .85fr;align-items:start}body.site .home-columns{grid-template-columns:1.1fr .9fr}body.site .article-list,body.site .block-grid{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .article-list{display:grid;grid-gap:16px;gap:16px}body.site .article-list li+li{margin-top:0}body.site .content-hero{grid-template-columns:1fr .8fr}}