body.site{margin:0;color:#132033;background:radial-gradient(circle at top left,rgba(68,124,255,.12),transparent 32%),linear-gradient(180deg,#f4f8ff,#eef3fa 44%,#f7f9fc);font-family:var(--font-serif),"PingFang SC","Hiragino Sans GB","Microsoft YaHei",serif;line-height:1.75}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:0 14px 24px}body.site .topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0 10px}body.site .brand{min-width:0;display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em}body.site .brand-link{font-size:16px;line-height:1.2}body.site .brand-mark{width:10px;height:10px;border-radius:999px;background:#2457d6;box-shadow:0 0 0 5px rgba(36,87,214,.12);flex:0 0 auto}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(18,32,51,.16);background:rgba(255,255,255,.88);color:#132033;border-radius:999px;padding:10px 14px;min-height:40px;font:inherit;line-height:1;box-shadow:0 8px 24px rgba(16,31,54,.08)}body.site.nav-open .menu{background:#132033;color:#fff}body.site .nav-list{display:none;margin:0;padding:10px 0 0;list-style:none;gap:8px}body.site.nav-open .nav-list{display:flex;flex-direction:column}body.site .nav-list>li{position:relative}body.site .nav-list>li>a,body.site .nav-list>li>span{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 14px;border:1px solid rgba(18,32,51,.12);border-radius:16px;background:rgba(255,255,255,.8);box-shadow:0 8px 24px rgba(16,31,54,.05)}body.site .nav-list ul{display:none;margin:8px 0 0;padding:8px;list-style:none;border:1px solid rgba(18,32,51,.12);border-radius:16px;background:#fff;box-shadow:0 18px 40px rgba(16,31,54,.12)}body.site .nav-list li.tap>ul{display:block}body.site .nav-list ul li a{display:block;padding:10px 12px;border-radius:12px}body.site .crumbs{margin:12px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:rgba(19,32,51,.72)}body.site .crumbs li+li:before{content:">";margin-right:6px;color:rgba(19,32,51,.42)}body.site main{display:block;padding-top:6px}body.site h1{margin:0;font-size:16px;line-height:1.35;letter-spacing:.01em}body.site h2{margin:0;font-size:14px;line-height:1.55}body.site .hero{display:grid;grid-gap:14px;gap:14px;margin-top:14px}body.site .article-card,body.site .feature-card,body.site .hero-card,body.site .list-card,body.site .panel,body.site .tag-card{background:rgba(255,255,255,.82);border:1px solid rgba(18,32,51,.1);border-radius:22px;box-shadow:0 18px 40px rgba(16,31,54,.08);overflow:hidden}body.site .article-card .text,body.site .feature-copy,body.site .hero-copy,body.site .list-card .text,body.site .panel-body,body.site .tag-card{padding:16px}body.site .copy li,body.site .copy p,body.site .feature-copy p,body.site .hero-copy p,body.site .panel-body p{margin-top:0}body.site .hero-grid{display:grid;grid-gap:14px;gap:14px}body.site .hero-grid .hero-card:first-child{min-height:100%}body.site .home-grid{margin-top:14px}body.site .article-grid,body.site .block-grid,body.site .home-block,body.site .home-grid,body.site .list-grid{display:grid;grid-gap:14px;gap:14px}body.site .article-card img,body.site .home-block img,body.site .list-card img{width:100%;object-fit:cover}body.site .article-card h3,body.site .home-block .block-title,body.site .list-card h3{margin:0 0 8px;font-size:15px;line-height:1.45}body.site .friend-list,body.site .hot-list,body.site .tag-list{margin:0;padding:0;list-style:none;display:grid;grid-gap:10px;gap:10px}body.site .friend-list a,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:16px;border:1px solid rgba(18,32,51,.1);background:rgba(247,250,255,.95)}body.site .friend-links{margin-top:18px;padding-top:12px}body.site .friend-links h2{display:none}body.site .pager{display:flex;justify-content:center;gap:10px;margin-top:18px}body.site .pager a,body.site .pager span{padding:9px 12px;border:1px solid rgba(18,32,51,.12);border-radius:999px;background:rgba(255,255,255,.86)}body.site .article-desc,body.site .cat-desc{margin-top:8px;color:rgba(19,32,51,.74);font-size:13px}body.site .toc{margin:16px 0 0;padding:14px 16px;border:1px solid rgba(18,32,51,.1);border-radius:18px;background:rgba(255,255,255,.85)}body.site .toc ol{margin:10px 0 0;padding-left:18px}body.site .copy{margin-top:16px;padding:16px;border:1px solid rgba(18,32,51,.1);border-radius:22px;background:rgba(255,255,255,.9);overflow:hidden}body.site .copy h2{margin-top:22px;margin-bottom:10px;font-size:15px}body.site .copy h2:first-child{margin-top:0}body.site .copy img{margin:16px 0;border-radius:18px}body.site .copy a{text-decoration:underline;text-underline-offset:2px}body.site .copy ol,body.site .copy ul{padding-left:20px}body.site .copy blockquote{margin:16px 0;padding:12px 14px;border-left:4px solid rgba(36,87,214,.36);background:rgba(36,87,214,.06);border-radius:0 16px 16px 0}@media (min-width:769px){body.site .site-shell{padding:0 20px 32px}body.site .topbar{padding:18px 0 12px;align-items:flex-start}body.site .menu{display:none}body.site .nav-list{display:flex!important;flex-direction:row;flex-wrap:wrap;justify-content:flex-end;gap:10px;padding-top:0}body.site .nav-list>li>a,body.site .nav-list>li>span{white-space:nowrap}body.site .nav-list>li:hover>ul{display:block}body.site .nav-list ul{position:absolute;left:0;top:calc(100% + 8px);min-width:220px;z-index:20}body.site .hero{grid-template-columns:1.2fr .8fr;align-items:stretch}body.site .hero-grid{grid-template-columns:1fr 1fr}body.site .home-grid{grid-template-columns:1.15fr .85fr}body.site .block-grid,body.site .list-grid{grid-template-columns:repeat(3,minmax(0,1fr))}body.site .article-grid{grid-template-columns:1.1fr .9fr}body.site .copy{padding:20px 22px}}