body.site{margin:0;color:#172033;background:radial-gradient(circle at top left,rgba(59,130,246,.12),transparent 32%),linear-gradient(180deg,#f6f9ff,#ffffff 46%,#f3f7fb);font-family:var(--font-serif),Georgia,"Times New Roman",serif}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%;height:auto}body.site .site-shell{width:100%}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:rgba(246,249,255,.9);border-bottom:1px solid rgba(23,32,51,.1)}body.site .site-footer-inner,body.site .site-header-inner,body.site .site-main{width:min(100%,1120px);margin:0 auto;padding-left:16px;padding-right:16px;box-sizing:border-box}body.site .brand-row{min-height:60px;display:flex;align-items:center;gap:12px}body.site .brand{display:inline-flex;align-items:center;gap:10px;min-width:0;font-weight:700;line-height:1.1;letter-spacing:.02em}body.site .brand h1,body.site .brand-link{margin:0;font-size:16px;line-height:1.1;font-weight:700}body.site .brand-mark{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,#2563eb,#14b8a6);box-shadow:0 10px 22px rgba(37,99,235,.18);flex:none}body.site .header-tools{margin-left:auto;display:flex;align-items:center;gap:10px}body.site .menu{width:42px;height:42px;border:1px solid rgba(23,32,51,.14);border-radius:12px;background:#fff;color:#172033;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(23,32,51,.06)}body.site .menu:before{content:"☰";font-size:16px;line-height:1}body.site.nav-open .menu:before{content:"×";font-size:20px}body.site .nav-list{display:none;margin:0;padding:10px 0 14px;list-style:none;gap:8px}body.site.nav-open .nav-list{display:grid}body.site .nav-list>li{position:relative;border:1px solid rgba(23,32,51,.1);background:rgba(255,255,255,.96);border-radius:14px;overflow:hidden}body.site .nav-list>li>a,body.site .nav-list>li>span{min-height:44px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14px}body.site .nav-list>li.has-children>a:after,body.site .nav-list>li.has-children>span:after{content:"▾";font-size:11px;opacity:.7}body.site .nav-list>li>ul{display:none;margin:0;padding:0 0 8px;list-style:none}body.site .nav-list>li.tap>ul{display:block}body.site .nav-list>li>ul a{display:block;padding:10px 14px 10px 22px;font-size:13px;color:rgba(23,32,51,.86)}body.site .page-body{padding:18px 0 40px}body.site .hero-panel{display:grid;grid-gap:14px;gap:14px;margin-bottom:18px}body.site .hero-media{border-radius:24px;overflow:hidden;box-shadow:0 18px 40px rgba(23,32,51,.12);background:#dfe8f4}body.site .article-body,body.site .card,body.site .crumbs,body.site .friend-panel,body.site .hero-copy,body.site .hot-panel,body.site .list-item,body.site .quote-panel,body.site .tag-panel,body.site .toc-box{background:rgba(255,255,255,.88);border:1px solid rgba(23,32,51,.1);box-shadow:0 14px 34px rgba(23,32,51,.06);border-radius:22px}body.site .article-body,body.site .card,body.site .friend-panel,body.site .hero-copy,body.site .hot-panel,body.site .list-item,body.site .quote-panel,body.site .tag-panel,body.site .toc-box{padding:16px}body.site h1{margin:0;font-size:16px;line-height:1.3}body.site .page-title{margin:0 0 8px}body.site .article-desc,body.site .cat-desc{margin:8px 0 0;font-size:14px;line-height:1.75;font-weight:400;color:rgba(23,32,51,.78)}body.site .section-grid{display:grid;grid-gap:14px;gap:14px}body.site .section-title{margin:0 0 10px;font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:rgba(37,99,235,.9)}body.site .crumbs ol,body.site .friend-list,body.site .pager,body.site .tag-list,body.site .tile-list,body.site .toc-box ol{margin:0;padding:0;list-style:none}body.site .grid-cards{display:grid;grid-gap:12px;gap:12px}body.site .card{overflow:hidden}body.site .article-body h2,body.site .card h2,body.site .card h3,body.site .list-item h2{margin:0;font-size:15px;line-height:1.35}body.site .article-body p,body.site .card p,body.site .list-item p,body.site .quote-panel p{margin:10px 0 0;line-height:1.75;font-size:14px;color:rgba(23,32,51,.82)}body.site .card-media{margin:-16px -16px 14px;overflow:hidden;aspect-ratio:16/10;background:#dfe8f4}body.site .card-body{display:grid;grid-gap:8px;gap:8px}body.site .list-item{display:grid;grid-gap:12px;gap:12px}body.site .list-media{border-radius:16px;overflow:hidden;background:#dfe8f4;aspect-ratio:16/11}body.site .crumbs{padding:10px 14px;margin-bottom:14px;overflow:auto}body.site .crumbs ol{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:13px;color:rgba(23,32,51,.72)}body.site .crumbs li{display:inline-flex;align-items:center;gap:8px}body.site .crumbs li+li:before{content:">";opacity:.55}body.site .toc-box{margin:14px 0}body.site .toc-box ol{display:grid;grid-gap:8px;gap:8px}body.site .toc-box a{display:block;padding:10px 12px;border-radius:14px;background:rgba(37,99,235,.06);font-size:14px;line-height:1.45}body.site .copy{line-height:1.9;font-size:15px;color:rgba(23,32,51,.9)}body.site .copy h2{margin:22px 0 10px;font-size:16px;line-height:1.35}body.site .copy ol,body.site .copy p,body.site .copy ul{margin:0 0 14px}body.site .copy ol,body.site .copy ul{padding-left:20px}body.site .hero-stack{display:grid;grid-gap:14px;gap:14px}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:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:14px;background:rgba(23,32,51,.04)}body.site .pager{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}body.site .pager a,body.site .pager span{min-width:40px;min-height:40px;padding:0 12px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:rgba(23,32,51,.05)}body.site .friend-panel{margin-top:18px}body.site .friend-list{display:grid;grid-gap:8px;gap:8px}body.site .friend-list a{display:inline-flex;padding:10px 12px;border-radius:12px;background:rgba(23,32,51,.05)}body.site .site-footer{padding:10px 0 28px;color:rgba(23,32,51,.72);font-size:12px}body.site .meta-line{display:flex;flex-wrap:wrap;gap:10px;line-height:1.6}body.site .empty-note{color:rgba(23,32,51,.58);font-size:14px}@media (min-width:769px){body.site .site-footer-inner,body.site .site-header-inner,body.site .site-main{padding-left:24px;padding-right:24px}body.site .brand-row{min-height:74px}body.site .menu{display:none}body.site .nav-list{display:flex!important;flex-wrap:wrap;gap:10px;padding:0 0 16px}body.site .nav-list>li{overflow:visible}body.site .nav-list>li>a,body.site .nav-list>li>span{border-radius:999px;padding:0 16px}body.site .nav-list>li>ul{position:absolute;top:calc(100% + 8px);left:0;min-width:220px;padding:8px 0;border:1px solid rgba(23,32,51,.12);background:#fff;box-shadow:0 18px 36px rgba(23,32,51,.12);border-radius:16px}body.site .nav-list>li:hover>ul{display:block}body.site .page-body{padding-top:22px;padding-bottom:60px}body.site .hero-panel{grid-template-columns:1.15fr .85fr;align-items:stretch}body.site .article-body,body.site .card,body.site .friend-panel,body.site .hero-copy,body.site .hot-panel,body.site .list-item,body.site .quote-panel,body.site .tag-panel,body.site .toc-box{padding:20px;border-radius:26px}body.site .hero-media{min-height:100%}body.site .grid-cards{grid-template-columns:repeat(3,minmax(0,1fr))}body.site .list-item{grid-template-columns:220px minmax(0,1fr);align-items:start}body.site .list-media{aspect-ratio:1/.78}body.site .section-grid{grid-template-columns:1.08fr .92fr;align-items:start}body.site .hero-stack{grid-template-columns:1fr 1fr}}