.knowledge-hero{padding-bottom:34px}.knowledge-note{max-width:900px;margin:22px auto 0;padding:14px 18px;border:1px solid #dedede;border-radius:12px;background:#fafafa;color:#555;line-height:1.8}.knowledge-category-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.knowledge-category-nav a{display:flex;justify-content:space-between;gap:12px;padding:18px;border:1px solid #e5e5e5;border-radius:14px;background:#fff;text-decoration:none;color:#222}.knowledge-category-nav span{color:#777;font-size:13px}.knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.knowledge-card{border:1px solid #e6e6e6;border-radius:16px;padding:22px;background:#fff}.knowledge-card small,.knowledge-detail header>small{color:var(--red);font-weight:700}.knowledge-card h3{font-size:22px;margin:9px 0}.knowledge-card h3 a{color:#161616;text-decoration:none}.knowledge-card p{color:#555;line-height:1.8;min-height:76px}.knowledge-tags{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.knowledge-tags span{background:#f4f4f4;border-radius:999px;padding:5px 9px;font-size:12px;color:#666}.knowledge-more{font-weight:700;text-decoration:none}.knowledge-boundary .wrap{background:#111;color:#fff;border-radius:18px;padding:34px}.knowledge-boundary p{color:#ddd;line-height:1.9}.knowledge-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.knowledge-actions a{color:#fff;border:1px solid #555;border-radius:999px;padding:9px 14px;text-decoration:none}.knowledge-detail{padding-top:32px;padding-bottom:60px}.knowledge-detail>header{max-width:900px;padding:34px 0 26px}.knowledge-detail>header h1{font-size:44px;margin:8px 0}.knowledge-detail>header p{font-size:19px;line-height:1.8;color:#555}.knowledge-scope{margin-top:18px;padding:12px 16px;border-left:3px solid var(--red);background:#fafafa;color:#555}.knowledge-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px}.knowledge-detail-grid main section{padding:6px 0 24px;border-bottom:1px solid #eee}.knowledge-detail-grid h2{font-size:25px;margin:18px 0 12px}.knowledge-detail-grid p,.knowledge-detail-grid li{line-height:1.9;color:#444}.knowledge-side{border:1px solid #e6e6e6;border-radius:16px;padding:18px;margin-bottom:18px}.knowledge-side h2{font-size:18px;margin:0 0 12px}.knowledge-side a{display:block;padding:11px 0;border-top:1px solid #eee;text-decoration:none}.knowledge-side a:first-of-type{border-top:0}.knowledge-side b,.knowledge-side span{display:block}.knowledge-side b{color:#222}.knowledge-side span{font-size:13px;color:#777;margin-top:4px}.knowledge-related{padding-top:38px}.knowledge-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.knowledge-related-grid a{display:block;border:1px solid #e6e6e6;border-radius:14px;padding:18px;text-decoration:none}.knowledge-related-grid small,.knowledge-related-grid b,.knowledge-related-grid span{display:block}.knowledge-related-grid b{color:#222;margin:7px 0;line-height:1.5}.knowledge-related-grid span{color:#666;line-height:1.65;font-size:14px}.knowledge-back{margin-top:34px}.knowledge-back a{font-weight:700;text-decoration:none}@media(max-width:900px){.knowledge-category-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-grid,.knowledge-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-detail-grid{grid-template-columns:1fr}.knowledge-detail>header h1{font-size:36px}}@media(max-width:600px){.knowledge-category-nav,.knowledge-grid,.knowledge-related-grid{grid-template-columns:1fr}.knowledge-card p{min-height:0}.knowledge-detail>header h1{font-size:32px}.knowledge-boundary .wrap{border-radius:0}.knowledge-detail{padding-left:18px;padding-right:18px}}