body.site{margin:0;color:#142033;background:radial-gradient(circle at top left,rgba(72,99,164,.12),transparent 34%),radial-gradient(circle at 85% 10%,rgba(22,163,74,.1),transparent 30%),linear-gradient(180deg,#f7f9fd,#eef3f9);font-family:var(--font-serif),Georgia,"Times New Roman",serif;line-height:1.7}body.site *{box-sizing:border-box}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%}body.site .chrome,body.site .site-shell{width:100%}body.site .topbar{position:-webkit-sticky;position:sticky;top:0;z-index:40;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:rgba(247,249,253,.88);border-bottom:1px solid rgba(20,32,51,.08)}body.site .topbar-inner{display:flex;align-items:center;gap:12px;justify-content:space-between;padding:14px 16px}body.site .brand{min-width:0;font-weight:800;letter-spacing:.02em;color:#15263d}body.site h1.brand{margin:0;font-size:16px;line-height:1.2}body.site .brand-link{display:inline-flex;align-items:center;gap:8px;font-size:16px;line-height:1.2}body.site .brand-mark{width:9px;height:9px;border-radius:999px;background:linear-gradient(135deg,#1d4ed8,#16a34a);box-shadow:0 0 0 4px rgba(29,78,216,.08);flex:0 0 auto}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(20,32,51,.14);background:#ffffff;color:#15263d;border-radius:999px;padding:9px 12px;font:inherit;font-size:13px;line-height:1;box-shadow:0 8px 20px rgba(20,32,51,.06)}body.site.nav-open .menu{background:#15263d;color:#fff;border-color:#15263d}body.site .main-nav{padding:0 16px 14px}body.site .nav-list{list-style:none;margin:0;padding:0;display:none;gap:8px;flex-direction:column}body.site.nav-open .nav-list{display:flex}body.site .nav-item{position:relative}body.site .nav-link,body.site .nav-parent{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;padding:11px 13px;border:1px solid rgba(20,32,51,.1);border-radius:16px;background:rgba(255,255,255,.84);box-shadow:0 10px 24px rgba(20,32,51,.05);font-size:14px}body.site .nav-parent:after{content:"▾";font-size:11px;opacity:.72}body.site .nav-item.has-children.tap>.nav-sub{display:block}body.site .nav-sub{list-style:none;margin:0;padding:8px 0 0 10px;display:none;gap:8px}body.site .nav-sub .nav-link{background:rgba(255,255,255,.95)}body.site .crumbs{margin:0;padding:14px 16px 0}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0;color:rgba(20,32,51,.74);font-size:13px}body.site .crumbs li{display:inline-flex;align-items:center;gap:8px}body.site .crumbs li+li:before{content:">";color:rgba(20,32,51,.42)}body.site .content{width:100%;padding:14px 16px 34px}body.site .article-panel,body.site .hero,body.site .list-panel,body.site .panel{background:rgba(255,255,255,.82);border:1px solid rgba(20,32,51,.08);box-shadow:0 18px 48px rgba(20,32,51,.07);border-radius:24px}body.site .hero{overflow:hidden;margin-bottom:16px}body.site .hero-grid{display:grid;grid-gap:14px;gap:14px}body.site .hero-copy{padding:18px 16px 0}body.site .hero-copy h2{margin:0 0 10px;font-size:20px;line-height:1.28}body.site .hero-copy p{margin:0 0 14px;color:rgba(20,32,51,.72);font-size:14px}body.site .hero-figure{margin:0}body.site .hero-figure img{width:100%;height:auto}body.site .block-grid{display:grid;grid-gap:14px;gap:14px}body.site .block-card{overflow:hidden;border-radius:22px;border:1px solid rgba(20,32,51,.08);background:rgba(255,255,255,.9);box-shadow:0 14px 34px rgba(20,32,51,.06)}body.site .block-card .block-media{margin:0}body.site .block-card .block-body{padding:14px 14px 16px}body.site .block-card h3{margin:0 0 8px;font-size:17px;line-height:1.35}body.site .block-card .block-html{color:rgba(20,32,51,.78);font-size:14px}body.site .feature-strip{display:grid;grid-gap:12px;gap:12px;margin-top:16px}body.site .article-list,body.site .feature-list,body.site .friend-list,body.site .hot-list,body.site .pager ol,body.site .tag-list{list-style:none;margin:0;padding:0}body.site .section-title{margin:0 0 12px;font-size:15px;letter-spacing:.02em;color:#16243a}body.site .panel{padding:16px}body.site .hot-list,body.site .tag-list{display:grid;grid-gap:10px;gap:10px}body.site .hot-list a,body.site .tag-list a{display:block;padding:12px 13px;border-radius:16px;background:linear-gradient(180deg,rgba(29,78,216,.06),rgba(22,163,74,.05));border:1px solid rgba(20,32,51,.08)}body.site .tag-list{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .article-list{display:grid;grid-gap:14px;gap:14px}body.site .article-card{overflow:hidden;border-radius:22px;border:1px solid rgba(20,32,51,.08);background:rgba(255,255,255,.92);box-shadow:0 14px 34px rgba(20,32,51,.06)}body.site .article-card .article-cover{margin:0}body.site .article-card .article-cover img{width:100%;height:auto}body.site .article-card .article-body{padding:14px}body.site .article h1,body.site .article-card h2{margin:0;font-size:16px;line-height:1.35}body.site .article-card p{margin:8px 0 0;color:rgba(20,32,51,.74);font-size:14px}body.site .article-desc,body.site .cat-desc{margin:10px 0 0;font-size:14px;color:rgba(20,32,51,.72);font-weight:500}body.site .toc{margin:18px 0 0;padding:14px;border-radius:18px;background:rgba(21,38,61,.04);border:1px solid rgba(20,32,51,.08)}body.site .toc ol{margin:0;padding-left:18px}body.site .toc li+li{margin-top:8px}body.site .copy{margin-top:18px;color:rgba(20,32,51,.92);font-size:15px}body.site .copy h2{margin:1.6em 0 .65em;font-size:18px;line-height:1.35}body.site .copy ol,body.site .copy p,body.site .copy ul{margin:0 0 1em}body.site .copy img{border-radius:18px}body.site .pager{margin-top:18px}body.site .pager ol{display:flex;flex-wrap:wrap;gap:10px}body.site .pager a,body.site .pager span{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 14px;border-radius:999px;border:1px solid rgba(20,32,51,.1);background:rgba(255,255,255,.9)}body.site #friend-links{margin-top:18px;padding:16px;border-radius:22px;background:rgba(255,255,255,.8);border:1px solid rgba(20,32,51,.08)}body.site #friend-links ul{display:grid;grid-gap:10px;gap:10px;list-style:none;margin:0;padding:0}body.site #friend-links a{display:block;padding:10px 12px;border-radius:14px;background:rgba(21,38,61,.04)}body.site .site-foot{padding:0 16px 28px;color:rgba(20,32,51,.68);font-size:13px}@media (min-width:769px){body.site .content,body.site .crumbs,body.site .main-nav,body.site .site-foot,body.site .topbar-inner{max-width:1180px;margin-left:auto;margin-right:auto}body.site .topbar-inner{padding-top:18px;padding-bottom:18px}body.site .menu{display:none}body.site .main-nav{padding-bottom:18px;display:block}body.site .nav-list{display:flex;flex-direction:row;flex-wrap:wrap;align-items:flex-start;gap:10px}body.site .nav-item{flex:0 1 auto}body.site .nav-link,body.site .nav-parent{width:auto;min-height:46px}body.site .nav-item.has-children:hover>.nav-sub{display:grid}body.site .nav-sub{position:absolute;left:0;top:calc(100% + 8px);z-index:20;min-width:220px;padding:10px;background:#ffffff;border:1px solid rgba(20,32,51,.12);border-radius:18px;box-shadow:0 16px 34px rgba(20,32,51,.12)}body.site .hero-grid{grid-template-columns:1.15fr .85fr;align-items:stretch}body.site .hero-copy{padding:28px 26px 26px 28px}body.site .hero-copy h2{font-size:28px}body.site .hero-copy p{font-size:15px}body.site .block-grid{grid-template-columns:1.15fr .85fr 1fr}body.site .feature-strip{grid-template-columns:1.05fr .95fr}body.site .article-list{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .tag-list{grid-template-columns:repeat(3,minmax(0,1fr))}body.site .content{padding-top:18px;padding-bottom:48px}}