.article-header{height:76px;padding:0 6vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d9e0e8;background:rgba(245,247,250,.94);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.article-brand{font-weight:800;letter-spacing:.05em;font-size:15px}.article-brand span{font:8px var(--mono);color:var(--blue);margin-left:9px;letter-spacing:.12em}.article-header nav{display:flex;gap:28px;font-size:11px;color:var(--muted)}.article-header nav a:hover{color:var(--blue)}.knowledge-page,.article-page{max-width:1180px;margin:0 auto;padding:42px 5vw 110px}.breadcrumb{display:flex;align-items:center;gap:9px;font-size:10px;color:#8793a2;margin-bottom:70px}.breadcrumb a:hover{color:var(--blue)}.knowledge-hero{display:grid;grid-template-columns:1fr .8fr;gap:7vw;align-items:end;margin-bottom:75px}.article-eyebrow{font:9px var(--mono);letter-spacing:.12em;color:var(--blue);text-transform:uppercase}.knowledge-hero .article-eyebrow{grid-column:1/-1;margin-bottom:-35px}.knowledge-hero h1{font-size:clamp(42px,6.2vw,82px);line-height:1;letter-spacing:-.075em;margin:0}.knowledge-hero h1 em{font-family:var(--serif);font-weight:400;color:var(--blue)}.knowledge-hero>p:last-child{font-size:14px;line-height:1.9;color:var(--muted);margin:0}.article-list{border-top:1px solid var(--line)}.article-list-card{display:grid;grid-template-columns:100px 1fr 40px;gap:24px;padding:34px 0;border-bottom:1px solid var(--line);align-items:start}.article-list-card>div:first-child{display:flex;flex-direction:column;gap:9px}.article-list-card>div:first-child span{font:18px var(--mono);color:var(--blue)}.article-list-card small{font:9px var(--mono);color:#8996a5}.article-list-card h2{font-size:25px;letter-spacing:-.05em;margin:0 0 10px}.article-list-card h2 a:hover{color:var(--blue)}.article-list-card p{font-size:13px;color:var(--muted);max-width:720px;margin:0 0 14px;line-height:1.8}.article-meta{display:flex;gap:20px;flex-wrap:wrap;font:9px var(--mono);color:#8b97a5}.article-arrow{font-size:25px;color:var(--blue);transition:transform .2s}.article-list-card:hover .article-arrow{transform:translate(5px,-5px)}.editorial-note{margin-top:60px;padding:28px 30px;background:#eaf0f7;display:grid;grid-template-columns:160px 1fr;gap:25px}.editorial-note strong{font:10px var(--mono);color:var(--blue)}.editorial-note p{font-size:12px;color:var(--muted);line-height:1.8;margin:0}.article-page{max-width:1220px}.article-title-block{max-width:920px;margin-bottom:45px}.article-title-block h1{font-size:clamp(39px,5.6vw,72px);line-height:1.08;letter-spacing:-.07em;margin:21px 0 22px}.article-description{font-size:16px;line-height:1.9;color:var(--muted);max-width:760px}.direct-answer{margin:0 0 68px;background:var(--ink);color:var(--white);padding:28px 34px;display:grid;grid-template-columns:110px 1fr;gap:24px}.direct-answer span{font:9px var(--mono);letter-spacing:.1em;color:var(--acid)}.direct-answer p{font-size:15px;line-height:1.9;margin:0;max-width:820px}.article-layout{display:grid;grid-template-columns:190px minmax(0,760px);gap:70px;justify-content:center;align-items:start}.article-toc{position:sticky;top:110px;display:flex;flex-direction:column;border-top:1px solid var(--line)}.article-toc strong{font:9px var(--mono);color:var(--blue);padding:16px 0}.article-toc a{font-size:10px;color:#758292;padding:10px 0;border-top:1px solid var(--line);line-height:1.5}.article-toc a:hover{color:var(--blue)}.article-content{min-width:0}.key-points{background:#eaf0f7;padding:28px 30px;margin-bottom:60px}.key-points h2{font-size:22px;margin:0 0 14px}.key-points ul,.article-section ul{padding-left:21px}.key-points li,.article-section li{font-size:13px;line-height:1.85;color:#526174;margin:6px 0}.article-section{scroll-margin-top:100px;margin-bottom:64px}.article-section h2,.article-faq h2{font-size:30px;letter-spacing:-.05em;margin:0 0 22px}.article-section p{font-size:15px;line-height:2;color:#475568;margin-bottom:17px}.article-table-wrap{overflow-x:auto;margin-top:24px;border:1px solid var(--line)}.article-table-wrap table{border-collapse:collapse;width:100%;min-width:620px}.article-table-wrap th,.article-table-wrap td{text-align:left;padding:14px 15px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);vertical-align:top}.article-table-wrap th{font:9px var(--mono);color:var(--blue);background:#eef3f8}.article-table-wrap td{font-size:12px;color:#556478;line-height:1.7}.article-table-wrap tr:last-child td{border-bottom:0}.article-faq{border-top:1px solid var(--line);padding-top:38px;margin-top:20px}.article-faq details{padding:20px 0}.article-faq summary{font-size:14px}.article-faq details p{font-size:13px;color:var(--muted);line-height:1.85}.article-disclaimer{margin-top:50px;border-left:3px solid var(--orange);padding:8px 0 8px 22px}.article-disclaimer strong{font:9px var(--mono);color:#b84531}.article-disclaimer p{font-size:11px;line-height:1.8;color:#7b8794;margin:8px 0 0}.article-next{display:flex;justify-content:space-between;margin-top:90px;padding-top:25px;border-top:1px solid var(--line);font-size:12px;font-weight:700}.article-next a:hover{color:var(--blue)}.article-footer{background:var(--ink);color:#aebdcd;padding:26px 6vw;display:flex;justify-content:space-between;font:9px var(--mono)}.article-footer a{color:var(--acid)}.knowledge-more{display:inline-flex;align-items:center;gap:18px;margin-top:25px;font-size:11px;font-weight:700;border-bottom:1px solid var(--ink);padding-bottom:5px}.knowledge-more span{color:var(--blue);font-size:17px}
@media (max-width:800px){.knowledge-hero{grid-template-columns:1fr;gap:30px}.knowledge-hero .article-eyebrow{grid-column:auto;margin-bottom:0}.article-layout{grid-template-columns:1fr}.article-toc{position:static;display:none}.article-title-block h1{font-size:45px}.direct-answer{grid-template-columns:1fr;gap:12px}.article-list-card{grid-template-columns:58px 1fr 22px}.editorial-note{grid-template-columns:1fr}.article-header nav a:nth-child(2){display:none}}
@media (max-width:520px){.article-header{height:66px;padding:0 5vw}.article-header nav{gap:14px}.knowledge-page,.article-page{padding:30px 6vw 80px}.breadcrumb{margin-bottom:50px}.knowledge-hero h1{font-size:46px}.article-list-card{grid-template-columns:1fr 20px;gap:15px}.article-list-card>div:first-child{display:none}.article-list-card h2{font-size:21px}.article-title-block h1{font-size:38px}.article-description{font-size:14px}.direct-answer{padding:24px}.direct-answer p{font-size:14px}.article-section h2,.article-faq h2{font-size:26px}.article-section p{font-size:14px}.article-footer{gap:16px;flex-direction:column}.article-next{gap:18px;flex-direction:column}}