.knowledge-shell{width:min(1160px,calc(100% - 40px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.knowledge-hero{padding:72px 0 64px;background:radial-gradient(circle at 15% 15%,rgba(21,94,239,.14),transparent 32%),linear-gradient(180deg,#f5f8ff,#fff);border-bottom:1px solid var(--public-border)}.knowledge-eyebrow,.knowledge-section-heading span{color:var(--public-primary);font-weight:800;font-size:13px;letter-spacing:.08em}.knowledge-hero h1,.knowledge-list-hero h1{margin:12px 0;font-size:clamp(34px,5vw,58px);line-height:1.08}.knowledge-hero>div>p:last-of-type{max-width:720px;color:var(--public-body);font-size:18px;line-height:1.8}.knowledge-breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--public-muted);font-size:13px}.knowledge-breadcrumb a{color:#344054;text-decoration:none}.knowledge-search{max-width:660px;margin-top:28px;display:flex;padding:6px;background:#fff;border:1px solid #d0d5dd;border-radius:14px;box-shadow:0 12px 30px rgba(16,24,40,.08)}.knowledge-search input{min-width:0;flex:1;padding:11px 14px;border:0;outline:0;font:inherit}.knowledge-search button{padding:0 24px;color:#fff;background:var(--public-primary);border:0;border-radius:10px;font-weight:750;cursor:pointer}.knowledge-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:38px;padding-block:52px}.knowledge-section-heading{margin:10px 0 22px;display:flex;justify-content:space-between}.knowledge-section-heading h2{margin:5px 0 0;font-size:28px}.knowledge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-bottom:44px}.knowledge-card{overflow:hidden;background:#fff;border:1px solid var(--public-border);border-radius:17px;box-shadow:0 10px 28px rgba(16,24,40,.055)}.knowledge-card__image{display:block;aspect-ratio:16/9;overflow:hidden}.knowledge-card__image img{width:100%;height:100%;object-fit:cover;transition:.25s}.knowledge-card:hover img{transform:scale(1.025)}.knowledge-card__body{padding:22px}.knowledge-card__category{color:var(--public-primary);font-size:12px;font-weight:800}.knowledge-card h2{margin:9px 0;font-size:20px;line-height:1.45}.knowledge-card h2 a{color:var(--public-ink);text-decoration:none}.knowledge-card p{min-height:3.3em;margin:0 0 18px;color:var(--public-body);font-size:14px;line-height:1.65}.knowledge-card__meta{display:flex;gap:12px;color:var(--public-muted);font-size:12px}.knowledge-sidebar section{margin-bottom:20px;padding:22px;background:#fff;border:1px solid var(--public-border);border-radius:16px}.knowledge-sidebar h2{margin:0 0 14px;font-size:17px}.knowledge-sidebar a{padding:10px 0;display:flex;justify-content:space-between;gap:12px;color:#344054;border-bottom:1px solid #f2f4f7;text-decoration:none;font-size:14px;line-height:1.5}.knowledge-list-hero{padding:52px 0;background:#f5f8ff;border-bottom:1px solid var(--public-border)}.knowledge-list-hero p{max-width:740px;color:var(--public-body);line-height:1.7}.knowledge-list{padding-block:48px}.knowledge-pagination{display:flex;justify-content:center;align-items:center;gap:20px}.knowledge-pagination a{padding:9px 14px;color:var(--public-primary);background:#fff;border:1px solid #d0d5dd;border-radius:9px;text-decoration:none}.knowledge-empty{grid-column:1/-1;padding:48px;text-align:center;background:#fff;border:1px dashed #d0d5dd;border-radius:16px;color:var(--public-muted)}.knowledge-article__header{padding:52px 0 44px;background:linear-gradient(180deg,#f5f8ff,#fff)}.knowledge-article__shell{width:min(980px,calc(100% - 40px));margin-inline:auto}.knowledge-article__header h1{max-width:900px;margin:18px 0 12px;font-size:clamp(32px,5vw,54px);line-height:1.18;letter-spacing:-.02em}.knowledge-article__subtitle,.knowledge-article__summary{max-width:800px;color:var(--public-body);font-size:18px;line-height:1.75}.knowledge-article__meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:24px;color:var(--public-muted);font-size:13px}.knowledge-article__cover{width:100%;max-height:540px;margin-top:32px;object-fit:cover;border-radius:20px}.knowledge-article__layout{display:grid;grid-template-columns:210px minmax(0,720px);gap:42px;padding-block:48px}.knowledge-toc{position:sticky;top:100px;align-self:start;padding:18px;background:#f8fafc;border:1px solid var(--public-border);border-radius:13px}.knowledge-toc strong{font-size:14px}.knowledge-toc a{display:block;margin-top:10px;color:#475467;text-decoration:none;font-size:13px;line-height:1.45}.knowledge-toc .toc-level-3{padding-left:12px}.knowledge-prose{min-width:0;color:#27364b;font-size:17px;line-height:1.9}.knowledge-prose h2{margin:2.1em 0 .7em;color:#101828;font-size:29px;line-height:1.35;scroll-margin-top:100px}.knowledge-prose h3{margin:1.7em 0 .6em;color:#1d2939;font-size:23px;scroll-margin-top:100px}.knowledge-prose img{max-width:100%;height:auto;border-radius:12px}.knowledge-prose pre{overflow:auto;padding:18px;color:#e6edf3;background:#0d1117;border-radius:12px}.knowledge-prose blockquote{margin-left:0;padding:10px 20px;color:#475467;background:#f5f8ff;border-left:4px solid var(--public-primary)}.knowledge-prose table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}.knowledge-prose th,.knowledge-prose td{padding:10px 12px;border:1px solid #d0d5dd}.knowledge-prose a{color:#175cd3}.knowledge-faq{margin-top:50px}.knowledge-faq details{margin:12px 0;padding:16px 18px;background:#f8fafc;border:1px solid var(--public-border);border-radius:11px}.knowledge-faq summary{font-weight:750;cursor:pointer}.knowledge-tags{margin-top:36px;display:flex;flex-wrap:wrap;gap:9px}.knowledge-tags a{padding:7px 11px;background:#eff4ff;border-radius:999px;text-decoration:none;font-size:13px}.knowledge-prev-next{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-block:28px;border-top:1px solid var(--public-border)}.knowledge-prev-next a{padding:18px;color:#344054;background:#fff;border:1px solid var(--public-border);border-radius:12px;text-decoration:none}.knowledge-prev-next a:last-child{text-align:right}.knowledge-prev-next small{display:block;margin-bottom:5px;color:var(--public-muted)}.knowledge-related{padding-block:38px 64px}.knowledge-footer{padding:26px 0;color:#667085;background:#101828;font-size:13px}.knowledge-footer .knowledge-shell{color:#d0d5dd}.knowledge-site .public-nav{gap:1px}
@media(max-width:900px){.knowledge-layout{grid-template-columns:1fr}.knowledge-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:18px}.knowledge-article__layout{grid-template-columns:1fr}.knowledge-toc{position:static}.knowledge-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.knowledge-shell,.knowledge-article__shell{width:min(100% - 28px,1160px)}.knowledge-hero{padding:46px 0}.knowledge-hero h1,.knowledge-list-hero h1{font-size:34px}.knowledge-search button{padding-inline:16px}.knowledge-layout,.knowledge-list{padding-block:34px}.knowledge-grid,.knowledge-sidebar{grid-template-columns:1fr}.knowledge-article__header{padding-top:36px}.knowledge-article__header h1{font-size:34px}.knowledge-article__layout{padding-block:28px}.knowledge-prose{font-size:16px}.knowledge-prose h2{font-size:25px}.knowledge-prev-next{grid-template-columns:1fr}.knowledge-prev-next a:last-child{text-align:left}}
.knowledge-preview-notice{padding:12px 15px;color:#93370d;background:#fffaeb;border:1px solid #fedf89;border-radius:10px;font-weight:700}
.knowledge-article__layout>.knowledge-prose:only-child{grid-column:1/-1;width:min(100%,720px);justify-self:center}
.knowledge-wechat{margin-top:48px;padding:24px 28px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:#27364b;background:linear-gradient(135deg,#f4f8ff,#fff);border:1px solid #d8e4ff;border-radius:18px}.knowledge-wechat span{color:var(--public-primary);font-size:12px;font-weight:800;letter-spacing:.06em}.knowledge-wechat h2{margin:6px 0 8px;font-size:22px}.knowledge-wechat p{max-width:420px;margin:0;color:var(--public-body);font-size:14px;line-height:1.7}.knowledge-wechat img{width:150px;height:150px;flex:0 0 150px;padding:7px;object-fit:contain;background:#fff;border:1px solid var(--public-border);border-radius:12px}
@media(max-width:640px){.knowledge-wechat{padding:22px;flex-direction:column;text-align:center}.knowledge-wechat img{width:180px;height:180px;flex-basis:180px}}