body.site{margin:0;color:#132033;background:radial-gradient(circle at top left,rgba(70,116,255,.14),transparent 34%),radial-gradient(circle at 85% 8%,rgba(42,181,160,.12),transparent 28%),linear-gradient(180deg,#f5f8ff,#eef3fb 48%,#e9eef8);font-family:var(--font-serif),ui-serif,Georgia,serif}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%;height:auto}body.site .site-shell{width:min(1120px,calc(100vw - 28px));margin:0 auto}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:30;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:rgba(245,248,255,.82);border-bottom:1px solid rgba(19,32,51,.08)}body.site .site-head-row{width:min(1120px,calc(100vw - 28px));margin:0 auto;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:12px}body.site .brand{display:inline-flex;align-items:center;min-width:0;gap:10px;letter-spacing:.02em}body.site .brand,body.site .brand strong{font-size:15px;line-height:1.2;font-weight:700}body.site .brand-link{color:#132033}body.site .brand-home{display:inline-flex;align-items:center;gap:10px;color:#132033}body.site .brand-mark{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,#173e93,#2b8a7f);box-shadow:0 8px 22px rgba(23,62,147,.22);flex:0 0 auto}body.site .header-tools{display:flex;align-items:center;gap:10px}body.site .menu{width:40px;height:40px;border:1px solid rgba(19,32,51,.14);border-radius:12px;background:#ffffff;color:#132033;box-shadow:0 8px 24px rgba(19,32,51,.06)}body.site .nav-wrap{width:min(1120px,calc(100vw - 28px));margin:0 auto}body.site .nav-list{display:none;margin:0;padding:12px 0 16px;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;min-height:40px;padding:0 12px;border-radius:12px;background:rgba(255,255,255,.72);border:1px solid rgba(19,32,51,.08);box-shadow:0 8px 24px rgba(19,32,51,.05);color:#15243c;font-size:14px}body.site .nav-list>li.has-children>a:after,body.site .nav-list>li.has-children>span:after{content:"▾";margin-left:8px;font-size:11px;opacity:.7}body.site .nav-list ul{display:none;margin:8px 0 0;padding:10px;list-style:none;border:1px solid rgba(19,32,51,.08);border-radius:14px;background:#ffffff;box-shadow:0 16px 34px rgba(19,32,51,.12)}body.site .nav-list li.tap>ul{display:grid;grid-gap:6px;gap:6px}body.site .nav-list ul a{display:block;padding:8px 10px;border-radius:10px;background:#f4f7fc;font-size:13px;color:#20314c}body.site .hero{padding:18px 0 0}body.site .hero-panel{display:grid;grid-gap:14px;gap:14px;padding:16px;border-radius:24px;background:rgba(255,255,255,.68);border:1px solid rgba(19,32,51,.08);box-shadow:0 22px 50px rgba(19,32,51,.08)}body.site .hero-copy{display:grid;grid-gap:10px;gap:10px}body.site h1{margin:0;font-size:16px;line-height:1.2;letter-spacing:.01em}body.site h2{margin:0;font-size:14px;line-height:1.5;font-weight:500}body.site .hero-actions{display:flex;flex-wrap:wrap;gap:10px}body.site .button-link,body.site .crumb-current,body.site .crumb-link,body.site .friend-links a,body.site .hot-link,body.site .pager a,body.site .pager span,body.site .tag-link{border-radius:999px}body.site .button-link{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;background:#173e93;color:#fff;box-shadow:0 12px 26px rgba(23,62,147,.18);font-size:13px}body.site .layout-grid{display:grid;grid-gap:14px;gap:14px;padding:16px 0 24px}body.site .panel{padding:14px;border-radius:22px;background:rgba(255,255,255,.72);border:1px solid rgba(19,32,51,.08);box-shadow:0 18px 40px rgba(19,32,51,.06)}body.site .panel-title{margin-bottom:12px;font-size:15px;font-weight:700}body.site .home-spot{display:grid;grid-gap:12px;gap:12px}body.site .home-spot figure{margin:0;overflow:hidden;border-radius:18px;background:#dbe5f4}body.site .home-spot figcaption{padding-top:8px;font-size:12px;color:#51607a}body.site .mosaic{display:grid;grid-gap:12px;gap:12px}body.site .mosaic-card{overflow:hidden;border-radius:18px;background:linear-gradient(180deg,#ffffff,#f6f8fc);border:1px solid rgba(19,32,51,.08)}body.site .mosaic-card .card-body{padding:12px;display:grid;grid-gap:8px;gap:8px}body.site .article-head h1,body.site .list-card h3,body.site .mosaic-card h3{margin:0}body.site .mosaic-card h3{font-size:14px}body.site .article-desc,body.site .article-head p,body.site .cat-desc,body.site .list-card p,body.site .mosaic-card p{margin:0;color:#51607a;font-size:13px;line-height:1.7}body.site .cards,body.site .crumbs ol,body.site .friend-links,body.site .hot-list,body.site .pager,body.site .tag-list{margin:0;padding:0;list-style:none}body.site .hot-list,body.site .tag-list{display:grid;grid-gap:8px;gap:8px}body.site .hot-list a{display:block;padding:12px;background:#f6f8fc;border:1px solid rgba(19,32,51,.06)}body.site .tag-list{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .tag-link{display:flex;align-items:center;justify-content:center;min-height:40px;padding:0 10px;background:rgba(23,62,147,.08);color:#173e93;font-size:13px}body.site .crumbs{padding:14px 0 6px;font-size:12px;color:#51607a}body.site .crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px}body.site .crumbs li{display:inline-flex;align-items:center;gap:6px}body.site .crumbs li+li:before{content:">";opacity:.6}body.site .crumb-link{color:#173e93}body.site .crumb-current{color:#51607a}body.site .cards{display:grid;grid-gap:12px;gap:12px}body.site .list-card{overflow:hidden;border-radius:18px;background:#fff;border:1px solid rgba(19,32,51,.08)}body.site .list-card .card-body{padding:12px;display:grid;grid-gap:6px;gap:6px}body.site .list-card h3{font-size:14px;line-height:1.4}body.site .pager{display:flex;flex-wrap:wrap;gap:8px;padding-top:14px}body.site .pager a,body.site .pager span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;padding:0 12px;background:#fff;border:1px solid rgba(19,32,51,.08);color:#21324e}body.site .article-head{display:grid;grid-gap:10px;gap:10px;padding:14px 0 8px}body.site .article-visual{overflow:hidden;border-radius:22px;background:#dbe5f4;border:1px solid rgba(19,32,51,.08)}body.site .article-visual img{width:100%}body.site .article-body{display:grid;grid-gap:14px;gap:14px;padding:14px 0 22px}body.site .in-article-toc{padding:14px;border-radius:18px;background:rgba(255,255,255,.74);border:1px solid rgba(19,32,51,.08)}body.site .in-article-toc ol{margin:0;padding-left:20px;display:grid;grid-gap:6px;gap:6px}body.site .copy{display:grid;grid-gap:12px;gap:12px;line-height:1.85;font-size:14px;color:#1f2f49}body.site .copy h2{font-size:15px;line-height:1.4;color:#132033}body.site .copy ol,body.site .copy p,body.site .copy ul{margin:0}body.site .friend-links{display:grid;grid-gap:8px;gap:8px}body.site .friend-links a{display:inline-flex;min-height:36px;align-items:center;padding:0 12px;background:#fff;border:1px solid rgba(19,32,51,.08)}body.site .site-footer{padding:16px 0 28px;color:#6b7890;font-size:12px}body.site .footer-line{display:flex;flex-wrap:wrap;gap:10px}body.site .page-note{font-size:13px;color:#51607a}@media (min-width:769px){body.site .site-head-row{min-height:76px}body.site .menu{display:none}body.site .nav-wrap{padding-bottom:12px}body.site .nav-list{display:flex;flex-wrap:wrap;gap:10px;padding:0 0 12px}body.site.nav-open .nav-list{display:flex}body.site .nav-list>li{display:inline-flex;align-items:flex-start}body.site .nav-list>li:hover>ul{display:grid;position:absolute;top:calc(100% + 8px);left:0;min-width:220px;z-index:20}body.site .hero-panel{grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);align-items:center;padding:22px}body.site .layout-grid{grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);align-items:start}body.site .home-spot{grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr)}body.site .cards,body.site .mosaic{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .tag-list{grid-template-columns:repeat(3,minmax(0,1fr))}body.site .article-body{grid-template-columns:minmax(0,260px) minmax(0,1fr);align-items:start}body.site .in-article-toc{position:-webkit-sticky;position:sticky;top:96px}}