.knowledge-main{padding-bottom:70px}.knowledge-section{padding:55px 0;border-bottom:1px solid var(--gray)}.knowledge-section h2{font-size:clamp(1.8rem,4vw,3rem);margin:0 0 24px}.knowledge-section p,.knowledge-section li{line-height:1.75;max-width:850px}.knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.knowledge-tile{padding:26px;border:1px solid var(--gray);border-radius:16px;background:#fff;min-width:0}.knowledge-tile h3{margin:0 0 14px;font-size:1.3rem}.knowledge-tile a{color:var(--ink)}.knowledge-tile p{color:var(--muted);font-size:.92rem}.knowledge-note{padding:22px;border-left:4px solid var(--orange);background:#fff4e9}.knowledge-nav{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.knowledge-nav a{color:var(--ink)}.knowledge-table{width:100%;border-collapse:collapse;font-size:.94rem}.knowledge-table td,.knowledge-table th{padding:14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--gray)}.knowledge-table th{width:30%}.knowledge-search{display:grid;gap:10px;max-width:720px;margin:25px 0}.knowledge-search input{width:100%;padding:16px;border:1px solid var(--gray);border-radius:8px;font:inherit}.knowledge-empty{color:var(--muted)}@media(max-width:800px){.knowledge-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.knowledge-grid{grid-template-columns:1fr}.knowledge-table th,.knowledge-table td{display:block;width:100%;padding:10px 0}.knowledge-table th{border-bottom:0}.knowledge-section{padding:35px 0}}