body.site{margin:0;background:#eef3f7;color:#173042;font-family:var(--font-serif,Georgia,serif);line-height:1.65}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%}body.site .site-shell{width:100%}body.site .chrome{background:linear-gradient(180deg,#f9fbfd,#eef3f7);border-bottom:1px solid #d7e0e8}body.site .topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px 12px}body.site .brand{min-width:0}body.site .brand-home,body.site .brand-link{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.02em;color:#102433}body.site .menu{flex:0 0 auto;border:1px solid #bfd0dc;background:#ffffff;color:#153042;border-radius:999px;padding:10px 14px;font:inherit}body.site .nav-list{display:none;margin:0;padding:0 16px 14px;list-style:none}body.site.nav-open .nav-list{display:block}body.site .nav-list>li{position:relative;margin-top:8px}body.site .nav-list .nav-parent,body.site .nav-list a{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid #c6d4dd;background:#fff;border-radius:12px;color:#173042;box-shadow:0 8px 24px rgba(16,36,51,.06)}body.site .nav-list>li.has-children>.nav-parent:after{content:"▾";font-size:12px}body.site .nav-list .subnav{display:none;list-style:none;margin:8px 0 0;padding:8px;border:1px solid #c6d4dd;background:#ffffff;box-shadow:0 12px 28px rgba(16,36,51,.12);border-radius:14px}body.site .nav-list li.tap>.subnav{display:block}body.site .main{padding:18px 16px 28px}body.site .home-grid{display:grid;grid-gap:16px;gap:16px}body.site .article-card,body.site .hero-card,body.site .list-card,body.site .panel,body.site .tile{background:#fff;border:1px solid #d7e0e8;border-radius:18px;box-shadow:0 10px 30px rgba(16,36,51,.06);overflow:hidden}body.site .hero-card{padding:16px}body.site h1{margin:0;line-height:1.25}body.site .hero-card h1,body.site .page-head h1,body.site h1{font-size:16px}body.site .page-head{display:grid;grid-gap:8px;gap:8px;margin-bottom:14px}body.site .article-desc,body.site .cat-desc{margin:0;font-size:14px;font-weight:400;color:#4a6274}body.site .block-media,body.site .cover{width:100%;height:auto;object-fit:cover}body.site .hero-visual{margin-top:14px;border-radius:14px;overflow:hidden}body.site .section-title{margin:0 0 12px;font-size:15px}body.site .article-list,body.site .block-list,body.site .crumbs ol,body.site .hot-list,body.site .tag-list,body.site .toc ol{margin:0;padding:0;list-style:none}body.site .hot-list,body.site .tag-list{display:grid;grid-gap:10px;gap:10px}body.site .article-item a,body.site .hot-list a,body.site .tag-list a{display:block;padding:12px 14px;border:1px solid #d7e0e8;border-radius:14px;background:#fbfdff}body.site .block-list{display:grid;grid-gap:16px;gap:16px}body.site .block-copy{padding:14px}body.site .copy{background:#fff;border:1px solid #d7e0e8;border-radius:18px;padding:16px;overflow:hidden}body.site .copy h2{margin:24px 0 10px;font-size:15px}body.site .copy ol,body.site .copy p,body.site .copy ul{margin-top:0;margin-bottom:12px}body.site .toc{margin:14px 0;padding:14px;border:1px solid #d7e0e8;border-radius:16px;background:#f8fbfe}body.site .toc a{color:#22465f}body.site .crumbs{margin-bottom:14px;font-size:13px;color:#587184}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}body.site .crumbs li+li:before{content:">";margin-right:8px;color:#8aa0b0}body.site .pager{display:flex;justify-content:center;margin-top:20px}body.site .pager a,body.site .pager span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;margin:0 4px;padding:0 12px;border:1px solid #cfdbe4;border-radius:999px;background:#fff}body.site #friend-links{margin-top:22px;padding:16px;border-top:1px solid #d7e0e8}body.site #friend-links ul{display:grid;grid-gap:10px;gap:10px}body.site .footer{padding:14px 16px 24px;font-size:13px;color:#5e7485}@media (min-width:769px){body.site .topbar{padding:18px 28px}body.site .menu{display:none}body.site .nav-list{display:flex!important;flex-wrap:wrap;gap:10px;padding:0 28px 18px}body.site .nav-list>li{margin-top:0}body.site .nav-list>li.has-children:hover>.subnav{display:block}body.site .nav-list .subnav{position:absolute;left:0;top:calc(100% + 8px);min-width:220px;z-index:20}body.site .main{padding:24px 28px 42px}body.site .home-grid{grid-template-columns:1.15fr .85fr;align-items:start}body.site .hero-card{padding:22px}body.site .panel-grid{display:grid;grid-gap:16px;gap:16px}body.site .list-card{padding:18px}body.site .article-wrap{display:grid;grid-template-columns:minmax(0,240px) minmax(0,1fr);grid-gap:20px;gap:20px;align-items:start}body.site .toc{position:-webkit-sticky;position:sticky;top:16px}}