body.site{margin:0;color:#142033;background:radial-gradient(circle at top left,rgba(77,111,255,.08),transparent 34%),radial-gradient(circle at top right,rgba(20,32,51,.05),transparent 28%),#f4f7fb;font-family:var(--font-serif),ui-serif,Georgia,serif;line-height:1.7}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%;height:auto}body.site .chrome{padding:12px 14px 28px}body.site .topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;position:-webkit-sticky;position:sticky;top:0;z-index:30;padding:10px 0 12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}body.site .brand{min-width:0;font-size:15px;font-weight:700;letter-spacing:.04em;color:#132238}body.site .brand h1{margin:0;font-size:16px;line-height:1.2;font-weight:700}body.site .brand-link{display:inline-flex;align-items:center;gap:8px}body.site .brand-mark{width:10px;height:10px;border-radius:999px;background:linear-gradient(135deg,#4d6fff,#1db7a0);box-shadow:0 0 0 4px rgba(77,111,255,.12);flex:none}body.site .menu{border:1px solid rgba(19,34,56,.14);background:rgba(255,255,255,.86);color:#132238;border-radius:999px;width:42px;height:42px;font-size:0;position:relative;flex:none}body.site .menu:after,body.site .menu:before{content:"";position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:currentColor;transition:transform .2s ease,top .2s ease,bottom .2s ease,opacity .2s ease}body.site .menu:before{top:14px;box-shadow:0 7px 0 currentColor}body.site.nav-open .menu:before{top:20px;box-shadow:none;transform:rotate(45deg)}body.site.nav-open .menu:after{bottom:20px;transform:rotate(-45deg)}body.site .nav-list{display:none;margin:0;padding:10px 0 0;list-style:none}body.site.nav-open .nav-list{display:grid;grid-gap:8px;gap:8px}body.site .nav-list>li{position:relative}body.site .nav-list>li>a,body.site .nav-list>li>span{display:inline-flex;align-items:center;gap:6px;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.82);border:1px solid rgba(19,34,56,.08);box-shadow:0 10px 22px rgba(14,25,40,.05)}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 ul{display:none;margin:6px 0 0;padding:8px;list-style:none;border:1px solid rgba(19,34,56,.12);border-radius:16px;background:#ffffff;box-shadow:0 16px 30px rgba(15,27,42,.12)}body.site .nav-list li.tap>ul{display:grid;grid-gap:4px;gap:4px}body.site .nav-list ul a{display:block;padding:8px 10px;border-radius:12px;color:#24364f}body.site .content{display:grid;grid-gap:18px;gap:18px}body.site .crumbs{margin:0}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;font-size:12px;color:#5a6a83}body.site .crumbs li{display:inline-flex;align-items:center;gap:6px}body.site .crumbs li+li:before{content:">";opacity:.55}body.site .hero{display:grid;grid-gap:14px;gap:14px;padding:16px;border-radius:28px;background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(247,250,255,.9));border:1px solid rgba(19,34,56,.08);box-shadow:0 24px 60px rgba(18,35,57,.08)}body.site .article-media,body.site .hero-media,body.site .panel-media{overflow:hidden;border-radius:22px}body.site .article-title,body.site .hero h1,body.site .page-title,body.site .section-title{margin:0;color:#102033;font-size:16px;line-height:1.35;font-weight:700}body.site .hero-copy{display:grid;grid-gap:10px;gap:10px}body.site .article-desc,body.site .cat-desc,body.site .hero-desc{margin:0;color:#44556f;font-size:13px;font-weight:400}body.site .home-grid{display:grid;grid-gap:14px;gap:14px}body.site .article-shell,body.site .friend-box,body.site .home-card,body.site .home-panel,body.site .home-tags,body.site .list-shell{padding:16px;border-radius:24px;background:rgba(255,255,255,.9);border:1px solid rgba(19,34,56,.08);box-shadow:0 18px 40px rgba(18,35,57,.06)}body.site .article-shell h1,body.site .home-card h2,body.site .home-panel h2,body.site .home-tags h2,body.site .list-shell h1{margin:0 0 12px;font-size:16px;line-height:1.35}body.site .home-blocks{display:grid;grid-gap:12px;gap:12px}body.site .home-blocks article{display:grid;grid-gap:10px;gap:10px;padding:14px;border-radius:20px;background:linear-gradient(180deg,#ffffff,#f7f9fd);border:1px solid rgba(19,34,56,.08)}body.site .article-list,body.site .home-links,body.site .tag-list{display:grid;grid-gap:10px;gap:10px;margin:0;padding:0;list-style:none}body.site .article-list a,body.site .home-links a,body.site .tag-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border-radius:16px;background:#f6f8fc;border:1px solid rgba(19,34,56,.07)}body.site .home-links a:after,body.site .tag-list a:after{content:"↗";color:#6a7b94;flex:none}body.site .article-list article{display:grid;grid-gap:10px;gap:10px;padding:14px;border-radius:20px;background:#fbfcfe;border:1px solid rgba(19,34,56,.08)}body.site .article-list h2,body.site .article-list h3{margin:0;font-size:15px;line-height:1.4}body.site .meta{color:#687a92;font-size:12px}body.site .copy{display:grid;grid-gap:14px;gap:14px;color:#20324b;font-size:14px}body.site .copy h2{margin:20px 0 8px;font-size:15px;line-height:1.4}body.site .copy ol,body.site .copy p,body.site .copy ul{margin:0}body.site .copy ol,body.site .copy ul{padding-left:20px}body.site .in-article-toc{padding:14px;border-radius:18px;background:#f6f8fc;border:1px solid rgba(19,34,56,.08)}body.site .in-article-toc ol{margin:0;padding-left:20px;display:grid;grid-gap:8px;gap:8px}body.site .pager{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:10px}body.site .pager a,body.site .pager span{padding:8px 12px;border-radius:12px;background:#ffffff;border:1px solid rgba(19,34,56,.08)}body.site #friend-links{display:grid;grid-gap:10px;gap:10px}body.site #friend-links ul{display:grid;grid-gap:8px;gap:8px;margin:0;padding:0;list-style:none}body.site #friend-links a{color:#34507a}body.site .footnote{color:#6c7c91;font-size:12px}@media (min-width:769px){body.site .chrome{max-width:1180px;margin:0 auto;padding:18px 22px 40px}body.site .topbar{align-items:flex-start;gap:20px}body.site .menu{display:none}body.site .nav-list{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding-top:0;flex-wrap:wrap}body.site.nav-open .nav-list{display:flex}body.site .nav-list>li>a,body.site .nav-list>li>span{white-space:nowrap}body.site .nav-list>li.has-children:hover>ul{display:grid;position:absolute;left:0;top:calc(100% + 8px);min-width:220px;z-index:10}body.site .content{gap:24px}body.site .hero{grid-template-columns:1.2fr .9fr;align-items:end;padding:24px}body.site .home-grid{grid-template-columns:1.1fr .9fr;align-items:start}body.site .home-card{grid-column:1/-1}body.site .home-panel,body.site .home-tags{min-height:100%}body.site .list-shell{padding:20px}body.site .article-shell{padding:22px}}