.knowledge-list{display:grid;gap:14px;margin-top:24px}.knowledge-list article{border:1px solid var(--line);border-radius:12px;padding:20px;background:#fff}.knowledge-list h4{font-size:18px;margin:14px 0 8px}.knowledge-list p,.knowledge-list small{color:var(--muted);line-height:1.55}.knowledge-list details{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}.knowledge-list summary{cursor:pointer;color:var(--blue);font-weight:800}.article-content{padding:16px 0;line-height:1.65;white-space:normal}