body.site{--bg:#f5f7fb;--panel:#ffffff;--panel-soft:#eef3f9;--line:#d7e0ea;--text:#182433;--muted:#5d6b7d;--accent:#0c6b74;--accent-strong:#084a51;--shadow:0 18px 40px rgba(20,41,66,0.08);--radius:18px;margin:0;background:radial-gradient(circle at top left,#ffffff 0,var(--bg) 38%,#eef3f8 100%);color:var(--text);font-family:var(--font-serif),Georgia,serif}body.site a{color:inherit;text-decoration:none}body.site a:hover{color:var(--accent-strong)}body.site button,body.site input,body.site select,body.site textarea{font:inherit}body.site .site-shell{width:min(100%,1180px);margin:0 auto;padding:0 14px 28px}body.site .site-top{position:-webkit-sticky;position:sticky;top:0;z-index:30;background:rgba(245,247,251,.88);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(215,224,234,.7)}body.site .site-top-inner{width:min(100%,1180px);margin:0 auto;padding:14px 14px 12px;display:grid;grid-template-columns:1fr auto;grid-gap:10px 12px;gap:10px 12px;align-items:center}body.site .brand{gap:10px;font-weight:700;letter-spacing:.02em}body.site .brand,body.site .brand-link{display:inline-flex;align-items:center;min-width:0}body.site .brand-mark{width:11px;height:11px;border-radius:999px;background:linear-gradient(135deg,var(--accent),#69c0c8);box-shadow:0 0 0 6px rgba(12,107,116,.12);flex:0 0 auto}body.site .brand-name{font-size:15px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}body.site h1{margin:0;font-size:16px;line-height:1.25}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:999px;min-width:44px;height:44px;padding:0 14px;box-shadow:var(--shadow)}body.site .nav-wrap{grid-column:1/-1}body.site .nav-list{display:flex;flex-direction:column;gap:8px;list-style:none;padding:0;margin:0}body.site .nav-list>li{position:relative;border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden}body.site .nav-list>li>a,body.site .nav-list>li>span{display:flex;align-items:center;justify-content:space-between;min-height:46px;padding:0 14px}body.site .nav-list>li>ul{display:none;list-style:none;margin:0;padding:8px;border-top:1px solid var(--line);background:var(--panel-soft)}body.site .nav-list>li.tap>ul{display:block}body.site .nav-list>li>ul>li>a{display:flex;align-items:center;min-height:40px;padding:0 10px;border-radius:12px}body.site .page{padding-top:14px}body.site .hero{display:grid;grid-gap:14px;gap:14px}body.site .article-card,body.site .copy,body.site .feature,body.site .friend-card,body.site .hero-card,body.site .list-card,body.site .panel,body.site .toc-card{background:rgba(255,255,255,.9);border:1px solid rgba(215,224,234,.9);box-shadow:var(--shadow);border-radius:var(--radius)}body.site .hero-card{overflow:hidden}body.site .hero-copy{padding:16px}body.site .hero-copy p{margin:0;color:var(--muted);line-height:1.8}body.site .hero-visual{position:relative;aspect-ratio:16/11;background:linear-gradient(135deg,#dfeaf2,#cfdbe6)}body.site .hero-visual :global(img){object-fit:cover}body.site .grid{display:grid;grid-gap:14px;gap:14px;margin-top:14px}body.site .panel{padding:14px}body.site .article-card h2,body.site .feature h2,body.site .list-card h2,body.site .panel h2{margin:0 0 10px;font-size:16px;line-height:1.3}body.site .section-lead{margin:0 0 12px;color:var(--muted);line-height:1.7}body.site .article-list,body.site .card-list,body.site .crumb-list,body.site .friend-list,body.site .tag-list,body.site .toc-list{list-style:none;padding:0;margin:0}body.site .article-list,body.site .card-list{display:grid;grid-gap:12px;gap:12px}body.site .article-card{overflow:hidden}body.site .article-card a{display:grid;grid-gap:0;gap:0}body.site .article-cover{position:relative;aspect-ratio:16/10;background:#dfe8ef}body.site .article-copy{padding:14px}body.site .article-copy p{margin:0;color:var(--muted);line-height:1.7}body.site .tag-list{display:flex;flex-wrap:wrap;gap:10px}body.site .tag-list a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:999px;background:var(--panel-soft);border:1px solid transparent}body.site .crumbs{margin:4px 0 12px}body.site .crumb-list{display:flex;flex-wrap:wrap;gap:0;align-items:center;color:var(--muted);font-size:13px}body.site .crumb-list li+li:before{content:">";margin:0 8px;color:#98a5b4}body.site .crumb-list a{color:var(--muted)}body.site .main-title{margin:0 0 10px}body.site .article-desc,body.site .cat-desc{margin:0 0 14px;color:var(--muted);font-size:14px;line-height:1.8}body.site .toc-card{padding:14px;margin:0 0 14px}body.site .toc-card nav{display:block}body.site .toc-list{display:grid;grid-gap:8px;gap:8px}body.site .toc-list a{display:block;padding:10px 12px;border-radius:12px;background:var(--panel-soft);line-height:1.5}body.site .copy{padding:16px;overflow:hidden}body.site .copy h2{margin:22px 0 12px;font-size:16px;line-height:1.35}body.site .copy li,body.site .copy p{line-height:1.9;color:#243244}body.site .copy img{max-width:100%;height:auto}body.site .pager{margin-top:18px;display:block}body.site .pager nav{display:flex;justify-content:center}body.site .pager ul{list-style:none;padding:0;margin:0;display:flex;gap:10px;flex-wrap:wrap}body.site .pager a,body.site .pager span{display:inline-flex;min-width:42px;min-height:42px;align-items:center;justify-content:center;padding:0 12px;border-radius:12px;background:var(--panel);border:1px solid var(--line)}body.site .friend-card{padding:14px;margin-top:14px}body.site .friend-list{display:grid;grid-gap:8px;gap:8px}body.site .friend-list a{display:block;padding:10px 12px;border-radius:12px;background:var(--panel-soft)}body.site .footer{padding:18px 14px 26px;color:var(--muted);font-size:13px}body.site .footer-inner{width:min(100%,1180px);margin:0 auto}@media (min-width:769px){body.site .site-top-inner{grid-template-columns:auto 1fr auto;gap:14px;align-items:center}body.site .menu{display:none}body.site .nav-wrap{grid-column:auto}body.site .nav-list{flex-direction:row;justify-content:flex-end;align-items:center;gap:10px}body.site .nav-list>li{overflow:visible;border-radius:999px}body.site .nav-list>li>a,body.site .nav-list>li>span{min-height:40px;padding:0 16px}body.site .nav-list>li>ul{position:absolute;top:calc(100% + 8px);left:0;min-width:220px;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;z-index:40}body.site .nav-list>li:hover>ul{display:block}body.site .hero{grid-template-columns:1.25fr .95fr;align-items:stretch}body.site .grid{grid-template-columns:1.1fr .9fr;align-items:start}body.site .article-list,body.site .card-list,body.site .friend-list{grid-template-columns:repeat(2,minmax(0,1fr))}}