.ik-document{margin:0}.ik-highlights h2,.ik-site h1,.ik-site h2,.ik-site h3{font-weight:700}.ik-prose ol,.ik-sources ol{list-style:decimal}.ik-prose ul{list-style:outside}.ik-highlights,.ik-site{--ik-brand:#2563eb;--ik-ink:#172c49;--ik-muted:#62748a;--ik-line:#dfe7f1;--ik-canvas:#f5f8fd;--ik-paper:#fff;color:var(--ik-ink);text-align:left;box-sizing:border-box;font-family:Inter,Microsoft YaHei,system-ui,sans-serif;font-size:15px;line-height:1.7}.ik-highlights *,.ik-site *{box-sizing:border-box}.ik-site{background:var(--ik-canvas);min-height:100vh}.ik-highlights a,.ik-site a{color:inherit;text-decoration:none}.ik-highlights a:hover,.ik-site a:hover{color:var(--ik-brand)}.ik-highlights a:focus-visible,.ik-site 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{background:var(--ik-paper);border-bottom:1px solid var(--ik-line);justify-content:space-between;align-items:center;gap:24px;padding:23px max(24px,50% - 580px);display:flex}.ik-brand{letter-spacing:-.8px;font-size:25px;font-weight:800;line-height:1.2}.ik-brand span{letter-spacing:1.6px;color:var(--ik-muted);margin-top:7px;font-size:10px;font-weight:500;display:block}.ik-header nav{gap:30px;font-size:14px;font-weight:600;display:flex}.ik-header nav a[aria-current]{color:var(--ik-brand)}.ik-main{max-width:1160px;min-height:65vh;margin:auto}.ik-hero{border-bottom:1px solid var(--ik-line);padding:80px 0 56px}.ik-eyebrow{color:var(--ik-brand);letter-spacing:2px;font-size:11px;font-weight:700}.ik-hero h1{letter-spacing:-2px;color:var(--ik-ink);margin:12px 0;font-size:52px;line-height:1.25}.ik-hero p{color:var(--ik-muted);margin:0 0 25px;font-size:18px}.ik-hero-note{color:var(--ik-muted);font-size:12px}.ik-list{padding:35px 0 70px}.ik-section-head{justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px;display:flex}.ik-section-head h2{letter-spacing:-.6px;color:var(--ik-ink);margin:8px 0;font-size:24px;line-height:1.4}.ik-section-head p{color:var(--ik-muted);margin:8px 0}.ik-section-head>span{color:var(--ik-muted);font-size:13px}.ik-section-head>a{color:var(--ik-brand);white-space:nowrap;font-size:14px;font-weight:600}.ik-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.ik-card{background:var(--ik-paper);border:1px solid var(--ik-line);border-radius:12px;flex-direction:column;padding:28px;transition:border-color .2s,transform .2s;display:flex;position:relative}.ik-card:hover{border-color:var(--ik-brand);transform:translateY(-2px)}.ik-card h2{letter-spacing:-.3px;color:var(--ik-ink);margin:18px 0 12px;font-size:20px;line-height:1.6}.ik-card h2 a:after{content:"";position:absolute;inset:0}.ik-card p{color:var(--ik-muted);margin:0 0 28px;font-size:14px;line-height:1.8}.ik-read{color:var(--ik-brand);justify-content:space-between;margin-top:auto;font-size:12px;font-weight:600;display:flex}.ik-meta{color:var(--ik-muted);flex-wrap:wrap;align-items:center;gap:14px;font-size:11px;display:flex}.ik-meta>span{color:var(--ik-brand);font-weight:600}.ik-pagination{justify-content:center;gap:30px;margin-top:40px;font-size:14px;display:flex}.ik-pagination a{color:var(--ik-brand)}.ik-empty{color:var(--ik-muted);border:1px dashed var(--ik-line);text-align:center;padding:40px}.ik-footer{background:var(--ik-ink);color:var(--ik-paper);align-items:center;gap:24px;padding:32px max(24px,50% - 580px);font-size:12px;display:flex}.ik-footer span{opacity:.75;flex:1}.ik-highlights{max-width:1208px;margin:auto;padding:70px 24px}.ik-article{max-width:820px;margin:auto;padding:36px 0 70px}.ik-breadcrumb{color:var(--ik-muted);flex-wrap:wrap;gap:10px;margin-bottom:42px;font-size:12px;display:flex}.ik-article h1{color:var(--ik-ink);letter-spacing:-1px;margin:18px 0;font-size:38px;line-height:1.45}.ik-summary{color:var(--ik-muted);margin:0 0 24px;font-size:18px;line-height:1.9}.ik-byline{color:var(--ik-muted);border-bottom:1px solid var(--ik-line);gap:24px;margin-bottom:30px;padding-bottom:26px;font-size:12px;display:flex}.ik-cover{-o-object-fit:cover;object-fit:cover;border-radius:12px;width:100%;height:auto;max-height:470px;margin-bottom:24px}.ik-prose{overflow-wrap:anywhere;font-size:16px;line-height:2}.ik-prose h2{margin:38px 0 15px;font-size:25px;line-height:1.5}.ik-prose h3{margin:28px 0 12px;font-size:20px}.ik-prose p{margin:0 0 20px}.ik-prose ol,.ik-prose ul{padding-left:24px}.ik-prose li{margin-bottom:8px}.ik-origin a,.ik-prose a,.ik-sources a{color:var(--ik-brand);text-underline-offset:3px;text-decoration:underline}.ik-prose blockquote{border-left:3px solid var(--ik-brand);background:var(--ik-paper);margin:24px 0;padding:15px 24px}.ik-prose table{border-collapse:collapse;max-width:100%;margin:24px 0;font-size:14px;display:block;overflow-x:auto}.ik-prose td,.ik-prose th{border:1px solid var(--ik-line);min-width:100px;padding:12px 16px}.ik-prose pre,.ik-prose th{background:var(--ik-paper)}.ik-prose pre{border:1px solid var(--ik-line);border-radius:8px;padding:20px;overflow-x:auto}.ik-prose img{max-width:100%;height:auto}.ik-origin,.ik-sources{background:var(--ik-paper);border:1px solid var(--ik-line);border-radius:12px;margin-top:32px;padding:25px 30px}.ik-origin h2,.ik-sources h2{margin:0 0 12px;font-size:18px}.ik-sources ol{overflow-wrap:anywhere;padding-left:20px;font-size:14px}.ik-article-end{border-top:1px solid var(--ik-line);color:var(--ik-muted);justify-content:space-between;gap:20px;margin-top:40px;padding-top:25px;font-size:12px;display:flex}@media (width<=1220px){.ik-main{margin:0 30px}}@media (width<=800px){.ik-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ik-hero{padding-top:55px}.ik-article h1{font-size:30px}}@media (width<=540px){.ik-main{margin:0 20px}.ik-grid{grid-template-columns:1fr;gap:16px}.ik-header{gap:15px;padding:20px}.ik-brand{font-size:22px}.ik-brand span{letter-spacing:.7px;font-size:9px}.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;gap:14px;padding:26px 20px}.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{flex-wrap:wrap;gap:15px}.ik-article-end{flex-direction:column}.ik-origin,.ik-sources{padding:22px}.ik-breadcrumb{margin-bottom:25px}}@media (prefers-reduced-motion:reduce){.ik-card{transition:none}.ik-card:hover{transform:none}}