.ik-document{margin:0}
.ik-site h1,.ik-site h2,.ik-site h3,.ik-highlights h2{font-weight:700}.ik-prose ol,.ik-sources ol{list-style:decimal}.ik-prose ul{list-style:disc}
.ik-site,.ik-highlights{--ik-brand:#2563eb;--ik-ink:#172c49;--ik-muted:#62748a;--ik-line:#dfe7f1;--ik-canvas:#f5f8fd;--ik-paper:#fff;color:var(--ik-ink);font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;line-height:1.7;font-size:15px;text-align:left;box-sizing:border-box}.ik-site *,.ik-highlights *{box-sizing:border-box}.ik-site{background:var(--ik-canvas);min-height:100vh}.ik-site a,.ik-highlights a{color:inherit;text-decoration:none}.ik-site a:hover,.ik-highlights a:hover{color:var(--ik-brand)}.ik-site a:focus-visible,.ik-highlights a:focus-visible{outline:2px solid var(--ik-brand);outline-offset:5px}.ik-preview{text-align:center;background:var(--ik-ink);color:var(--ik-paper);padding:7px 15px;font-size:12px}.ik-header{display:flex;align-items:center;justify-content:space-between;padding:23px max(24px,calc((100% - 1160px)/2));background:var(--ik-paper);border-bottom:1px solid var(--ik-line);gap:24px}.ik-brand{font-size:25px;font-weight:800;line-height:1.2;letter-spacing:-.8px}.ik-brand span{display:block;font-size:10px;font-weight:500;letter-spacing:1.6px;color:var(--ik-muted);margin-top:7px}.ik-header nav{display:flex;gap:30px;font-size:14px;font-weight:600}.ik-header nav a[aria-current]{color:var(--ik-brand)}.ik-main{max-width:1160px;margin:auto;min-height:65vh}.ik-hero{padding:80px 0 56px;border-bottom:1px solid var(--ik-line)}.ik-eyebrow{color:var(--ik-brand);font-size:11px;letter-spacing:2px;font-weight:700}.ik-hero h1{font-size:52px;letter-spacing:-2px;margin:12px 0;line-height:1.25;color:var(--ik-ink)}.ik-hero p{font-size:18px;color:var(--ik-muted);margin:0 0 25px}.ik-hero-note{font-size:12px;color:var(--ik-muted)}.ik-list{padding:35px 0 70px}.ik-section-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px}.ik-section-head h2{font-size:24px;letter-spacing:-.6px;margin:8px 0;color:var(--ik-ink);line-height:1.4}.ik-section-head p{margin:8px 0;color:var(--ik-muted)}.ik-section-head>span{font-size:13px;color:var(--ik-muted)}.ik-section-head>a{font-size:14px;font-weight:600;color:var(--ik-brand);white-space:nowrap}.ik-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.ik-card{position:relative;padding:28px;background:var(--ik-paper);border:1px solid var(--ik-line);border-radius:12px;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}.ik-card:hover{border-color:var(--ik-brand);transform:translateY(-2px)}.ik-card h2{font-size:20px;line-height:1.6;margin:18px 0 12px;letter-spacing:-.3px;color:var(--ik-ink)}.ik-card h2 a:after{content:"";position:absolute;inset:0}.ik-card p{font-size:14px;color:var(--ik-muted);line-height:1.8;margin:0 0 28px}.ik-read{margin-top:auto;font-size:12px;font-weight:600;color:var(--ik-brand);display:flex;justify-content:space-between}.ik-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;font-size:11px;color:var(--ik-muted)}.ik-meta>span{color:var(--ik-brand);font-weight:600}.ik-pagination{display:flex;justify-content:center;gap:30px;margin-top:40px;font-size:14px}.ik-pagination a{color:var(--ik-brand)}.ik-empty{padding:40px;color:var(--ik-muted);border:1px dashed var(--ik-line);text-align:center}.ik-footer{padding:32px max(24px,calc((100% - 1160px)/2));background:var(--ik-ink);color:var(--ik-paper);display:flex;gap:24px;align-items:center;font-size:12px}.ik-footer span{opacity:.75;flex:1}.ik-highlights{padding:70px 24px;max-width:1208px;margin:auto}.ik-article{max-width:820px;margin:auto;padding:36px 0 70px}.ik-breadcrumb{font-size:12px;color:var(--ik-muted);margin-bottom:42px;display:flex;gap:10px;flex-wrap:wrap}.ik-article h1{font-size:38px;line-height:1.45;margin:18px 0;color:var(--ik-ink);letter-spacing:-1px}.ik-summary{font-size:18px;line-height:1.9;color:var(--ik-muted);margin:0 0 24px}.ik-byline{display:flex;gap:24px;font-size:12px;color:var(--ik-muted);padding-bottom:26px;margin-bottom:30px;border-bottom:1px solid var(--ik-line)}.ik-cover{width:100%;height:auto;max-height:470px;object-fit:cover;border-radius:12px;margin-bottom:24px}.ik-prose{font-size:16px;line-height:2;overflow-wrap:anywhere}.ik-prose h2{font-size:25px;margin:38px 0 15px;line-height:1.5}.ik-prose h3{font-size:20px;margin:28px 0 12px}.ik-prose p{margin:0 0 20px}.ik-prose ul,.ik-prose ol{padding-left:24px}.ik-prose li{margin-bottom:8px}.ik-prose a,.ik-sources a,.ik-origin a{color:var(--ik-brand);text-decoration:underline;text-underline-offset:3px}.ik-prose blockquote{margin:24px 0;border-left:3px solid var(--ik-brand);padding:15px 24px;background:var(--ik-paper)}.ik-prose table{border-collapse:collapse;display:block;max-width:100%;overflow-x:auto;margin:24px 0;font-size:14px}.ik-prose td,.ik-prose th{border:1px solid var(--ik-line);padding:12px 16px;min-width:100px}.ik-prose th{background:var(--ik-paper)}.ik-prose pre{overflow-x:auto;padding:20px;background:var(--ik-paper);border:1px solid var(--ik-line);border-radius:8px}.ik-prose img{max-width:100%;height:auto}.ik-sources,.ik-origin{padding:25px 30px;background:var(--ik-paper);border:1px solid var(--ik-line);border-radius:12px;margin-top:32px}.ik-sources h2,.ik-origin h2{font-size:18px;margin:0 0 12px}.ik-sources ol{padding-left:20px;font-size:14px;overflow-wrap:anywhere}.ik-article-end{border-top:1px solid var(--ik-line);padding-top:25px;margin-top:40px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--ik-muted)}
@media(max-width:1220px){.ik-main{margin:0 30px}}@media(max-width:800px){.ik-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ik-hero{padding-top:55px}.ik-article h1{font-size:30px}}@media(max-width:540px){.ik-main{margin:0 20px}.ik-grid{grid-template-columns:1fr;gap:16px}.ik-header{padding:20px;gap:15px}.ik-brand{font-size:22px}.ik-brand span{font-size:9px;letter-spacing:.7px}.ik-header nav{gap:16px;font-size:12px}.ik-hero{padding:45px 0 35px}.ik-hero h1{font-size:36px}.ik-hero p{font-size:15px}.ik-section-head{align-items:flex-start;gap:12px}.ik-section-head h2{font-size:21px}.ik-highlights .ik-section-head{flex-direction:column}.ik-highlights{padding:45px 20px}.ik-card{padding:23px}.ik-footer{flex-wrap:wrap;padding:26px 20px;gap:14px}.ik-footer span{flex-basis:100%;order:3}.ik-article{padding-top:25px}.ik-article h1{font-size:27px}.ik-summary{font-size:16px}.ik-byline{gap:15px;flex-wrap:wrap}.ik-article-end{flex-direction:column}.ik-sources,.ik-origin{padding:22px}.ik-breadcrumb{margin-bottom:25px}}
@media(prefers-reduced-motion:reduce){.ik-card{transition:none}.ik-card:hover{transform:none}}