body.site{margin:0;color:#132033;background:radial-gradient(circle at top left,rgba(31,111,255,.08),transparent 34%),linear-gradient(180deg,#f5f8ff,#eef3fb 48%,#f7f9fc);font-family:var(--font-serif),Georgia,"Times New Roman",serif;line-height:1.65;text-rendering:optimizeLegibility}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%,1200px);margin:0 auto;padding:0 14px 40px}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(247,249,252,.9);border-bottom:1px solid rgba(19,32,51,.1)}body.site .header-bar{width:min(100%,1200px);margin:0 auto;padding:12px 14px;display:flex;align-items:center;gap:12px}body.site .brand{min-width:0;flex:1 1 auto}body.site .brand-home,body.site .brand-link{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.04em;color:#102542}body.site .brand-mark{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#1f6fff,#57c2ff);box-shadow:0 0 0 5px rgba(31,111,255,.12)}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(19,32,51,.15);background:#ffffff;color:#102542;border-radius:999px;padding:9px 13px;font:inherit;line-height:1}body.site .nav-list{width:min(100%,1200px);margin:0 auto;padding:0 14px 12px;display:none;gap:10px;flex-direction:column}body.site.nav-open .nav-list{display:flex}body.site .nav-list,body.site .nav-list ul{list-style:none}body.site .nav-list>li{position:relative;border:1px solid rgba(19,32,51,.12);background:rgba(255,255,255,.92);border-radius:16px;overflow:hidden}body.site .nav-list>li>a,body.site .nav-list>li>span{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;font-weight:600}body.site .nav-list>li.tap>ul,body.site .nav-list>li:hover>ul{display:flex}body.site .nav-list>li>ul{display:none;flex-direction:column;gap:2px;padding:0 10px 10px;margin:0}body.site .nav-list>li>ul a{display:block;padding:8px 10px;border-radius:12px;background:rgba(31,111,255,.06)}body.site .breadcrumb{margin:16px 0 0;padding:0}body.site .breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:0;padding:0;margin:0;color:#5b687a;font-size:13px}body.site .breadcrumb li+li:before{content:">";margin:0 8px;color:#93a1b5}body.site .hero{margin-top:18px;display:grid;grid-gap:14px;gap:14px}body.site .block,body.site .card,body.site .copy,body.site .hero-main,body.site .hot-item,body.site .list-item,body.site .panel,body.site .story,body.site .tag-item,body.site .toc{border:1px solid rgba(19,32,51,.12);background:rgba(255,255,255,.92);border-radius:20px;box-shadow:0 18px 40px rgba(16,37,66,.06)}body.site .hero-main{overflow:hidden}body.site .hero-copy{padding:18px}body.site h1{margin:0;font-size:16px;line-height:1.35}body.site .article-desc,body.site .cat-desc,body.site .hero-copy .home-desc{margin:10px 0 0;font-size:15px;font-weight:400;color:#41536b}body.site .hero-figure{aspect-ratio:16/10;background:linear-gradient(135deg,rgba(31,111,255,.14),rgba(87,194,255,.08))}body.site .block-image,body.site .card-image,body.site .hero-figure .cover{width:100%;height:100%;object-fit:cover}body.site .home-grid{margin-top:16px}body.site .home-grid,body.site .home-split{display:grid;grid-gap:14px;gap:14px}body.site .block{overflow:hidden}body.site .block-body,body.site .card-body,body.site .list-item,body.site .panel,body.site .story-body{padding:16px}body.site .block h2,body.site .card h2,body.site .list-item h2,body.site .panel h2,body.site .story h2{margin:0 0 10px;font-size:16px;line-height:1.35}body.site .block .copy,body.site .block html,body.site .panel .copy,body.site .story .copy{margin:0}body.site .block-image-wrap{aspect-ratio:4/3;background:#e7edf7}body.site .article-list,body.site .card-list,body.site .friend-list,body.site .hot-list,body.site .tag-list{list-style:none;margin:0;padding:0}body.site .hot-list,body.site .tag-list{display:grid;grid-gap:10px;gap:10px}body.site .hot-item,body.site .tag-item{padding:12px 14px}body.site .article-list{display:grid;grid-gap:12px;gap:12px}body.site .article-list a{display:grid;grid-gap:10px;gap:10px}body.site .card-image-wrap{aspect-ratio:16/9;overflow:hidden;border-radius:16px;background:#e7edf7}body.site .pager{margin-top:18px;display:flex;justify-content:center}body.site .pager ul{list-style:none;display:flex;gap:8px;padding:0;margin:0}body.site .pager a,body.site .pager span{min-width:40px;height:40px;padding:0 12px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.92);border:1px solid rgba(19,32,51,.12)}body.site .toc{margin:18px 0 0;padding:16px}body.site .toc ol{margin:0;padding-left:20px;display:grid;grid-gap:8px;gap:8px}body.site .copy{margin-top:18px;padding:16px;overflow:auto}body.site .copy h2{margin:28px 0 12px;font-size:16px}body.site .copy blockquote,body.site .copy ol,body.site .copy p,body.site .copy table,body.site .copy ul{margin-top:0;margin-bottom:14px}body.site .friend-links{margin-top:18px;padding:16px}body.site #friend-links ul{display:grid;grid-gap:10px;gap:10px}body.site .site-footer{width:min(100%,1200px);margin:18px auto 0;padding:0 14px 24px;color:#5b687a;font-size:13px}@media (min-width:769px){body.site .header-bar{padding:16px 14px 12px}body.site .menu{display:none}body.site .nav-list{padding:0 14px 14px;display:flex;flex-direction:row;align-items:center;flex-wrap:wrap;gap:10px}body.site .nav-list>li{overflow:visible}body.site .nav-list>li>ul{position:absolute;top:calc(100% + 8px);left:0;min-width:220px;padding:10px;border:1px solid rgba(19,32,51,.12);border-radius:16px;background:#ffffff;box-shadow:0 20px 40px rgba(16,37,66,.12);z-index:20}body.site .hero{grid-template-columns:1.2fr .8fr;align-items:stretch}body.site .home-grid{grid-template-columns:1.1fr .9fr;align-items:start}body.site .home-split{grid-template-columns:1fr 1fr}body.site .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;grid-gap:18px;gap:18px;align-items:start}}