.knowledge-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.knowledge-card{border:1px solid var(--line);border-radius:8px;padding:22px;background:var(--surface);box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:flex-start;gap:13px;min-height:290px}.knowledge-card h3{font-size:19px;line-height:1.35;margin:0}.knowledge-card p{color:var(--muted);font-size:14px;line-height:1.75;margin:0;overflow-wrap:anywhere}.knowledge-card .button{margin-top:auto;width:100%;padding:10px 14px}.knowledge-meta{display:flex;flex-wrap:wrap;gap:8px}.button-disabled{background:#edf2ea;color:var(--muted);border-color:#d7dfd4;cursor:not-allowed}.button-disabled:hover{background:#edf2ea;border-color:#d7dfd4}@media(max-width:900px){.knowledge-list{grid-template-columns:1fr 1fr}}@media(max-width:640px){.knowledge{margin-top:34px}.knowledge-list{grid-template-columns:1fr}.knowledge-card{min-height:0}}