body.site{margin:0;color:#16212f;background:radial-gradient(circle at top,rgba(79,123,255,.1),transparent 36%),linear-gradient(180deg,#f4f7fb,#eef3f8);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(100%,1180px);margin:0 auto;padding:14px 14px 28px;box-sizing:border-box}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:30;display:grid;grid-gap:12px;gap:12px;padding:14px 14px 12px;background:rgba(244,247,251,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(22,33,47,.1)}body.site .brand{display:inline-flex;align-items:center;gap:10px;width:-moz-fit-content;width:fit-content;min-height:40px;font-weight:700;letter-spacing:.02em}body.site .brand h1{margin:0;font-size:16px;line-height:1.2}body.site .brand-link{display:inline-flex;align-items:center;min-height:40px;font-size:16px;font-weight:700}body.site .menu{justify-self:end;width:42px;height:40px;border:1px solid rgba(22,33,47,.14);border-radius:12px;background:#ffffff;color:#132033;box-shadow:0 10px 20px rgba(24,42,72,.08)}body.site .nav-list{display:none;margin:0;padding:0;list-style:none;gap:10px}body.site.nav-open .nav-list{display:grid}body.site .nav-list>li{position:relative}body.site .nav-list>li>a,body.site .nav-list>li>span{display:inline-flex;align-items:center;justify-content:space-between;width:100%;min-height:42px;padding:0 14px;box-sizing:border-box;border-radius:12px;background:rgba(255,255,255,.92);border:1px solid rgba(22,33,47,.1)}body.site .nav-list>li.tap>ul{display:grid}body.site .nav-list>li>ul{display:none;margin:8px 0 0;padding:8px;list-style:none;border-radius:14px;background:#ffffff;border:1px solid rgba(22,33,47,.1);box-shadow:0 18px 34px rgba(18,35,58,.12)}body.site .nav-list>li>ul>li>a{display:block;padding:10px 12px;border-radius:10px}body.site .brand-row,body.site .page-head,body.site .page-top{display:grid;grid-gap:12px;gap:12px}body.site .article-card,body.site .card,body.site .hero,body.site .list-card,body.site .panel{border:1px solid rgba(22,33,47,.1);border-radius:18px;background:rgba(255,255,255,.86);box-shadow:0 18px 34px rgba(22,33,47,.08)}body.site .hero{overflow:hidden;display:grid;grid-gap:14px;gap:14px}body.site .article-card,body.site .card,body.site .hero-copy,body.site .list-card,body.site .panel{padding:16px;box-sizing:border-box}body.site h1{margin:0;font-size:16px;line-height:1.25}body.site h2{margin:0;font-size:15px;line-height:1.35}body.site .hero .title{font-size:16px}body.site .article-desc,body.site .cat-desc,body.site .copy,body.site .hero .summary{color:#354454}body.site .article-desc,body.site .cat-desc{margin:6px 0 0}body.site .copy{overflow:hidden}body.site .copy h2{margin:1.3em 0 .55em;font-size:15px}body.site .copy ol,body.site .copy p,body.site .copy ul{margin:0 0 1em}body.site .in-article-toc{padding:14px 16px;margin:14px 0 0;border-radius:16px;background:rgba(231,238,247,.92);border:1px solid rgba(22,33,47,.1)}body.site #friend-links ul,body.site .breadcrumb ol,body.site .in-article-toc ol,body.site .pager{margin:0;padding:0;list-style:none}body.site .breadcrumb li+li,body.site .in-article-toc li+li{margin-top:8px}body.site .breadcrumb{font-size:13px;color:#536174}body.site .breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center}body.site .breadcrumb li+li:before{content:">";margin-right:6px;color:#8b97a8}body.site .grid-home{display:grid;grid-gap:14px;gap:14px;margin-top:14px}body.site .feature-figure{margin:0;overflow:hidden;border-radius:18px 18px 0 0}body.site .section-stack{display:grid;grid-gap:14px;gap:14px}body.site .article-list,body.site .mini-list,body.site .tag-list{display:grid;grid-gap:12px;gap:12px;margin:0;padding:0;list-style:none}body.site .article-list a,body.site .mini-list a{display:grid;grid-gap:8px;gap:8px}body.site .thumb{border-radius:14px;overflow:hidden}body.site .pager{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}body.site .pager a,body.site .pager span{min-height:38px;padding:0 12px;display:inline-flex;align-items:center;border-radius:999px;background:rgba(255,255,255,.9);border:1px solid rgba(22,33,47,.12)}body.site #friend-links{margin-top:18px;padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.76);border:1px solid rgba(22,33,47,.1)}body.site #friend-links ul{display:flex;flex-wrap:wrap;gap:10px 14px}body.site #friend-links a{color:#2b5caa}body.site .site-footer{padding:18px 0 8px;color:#69788b;font-size:12px}@media (min-width:769px){body.site .site-header{grid-template-columns:auto 1fr auto;align-items:center;gap:18px;padding:18px 22px 14px}body.site .menu{display:none}body.site .nav-list{display:flex;justify-content:flex-end;align-items:center;gap:10px}body.site .nav-list>li>a,body.site .nav-list>li>span{width:auto}body.site .nav-list>li:hover>ul{display:grid}body.site .nav-list>li>ul{position:absolute;left:0;top:calc(100% + 8px);min-width:220px;margin:0;z-index:40}body.site .grid-home{grid-template-columns:1.15fr .85fr;align-items:start}body.site .hero{grid-column:1/-1;grid-template-columns:1.2fr .8fr;align-items:stretch}body.site .hero-copy{display:grid;align-content:center;padding:22px}body.site .section-stack{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;grid-gap:18px;gap:18px;align-items:start}}