.knowledge-page{max-width:1200px;margin:auto;padding:34px 28px 60px}.intro{max-width:780px;margin-bottom:30px}.intro h1{font-family:Georgia,serif;font-size:32px;font-weight:400;margin-bottom:14px}.intro p{font-size:14px;line-height:1.7;color:var(--muted)}header a{font-size:13px;color:var(--green);text-decoration:none}.knowledge-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.card{background:white;border:1px solid var(--line);padding:26px;border-radius:12px}.card h2{font-size:20px}.card>.small{margin:0 0 20px}.two{display:grid;grid-template-columns:1fr 1fr;gap:15px}.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.6;margin:14px 0}.check input{width:auto;margin:4px 0}.buttons{display:flex;gap:8px}.examples{margin-top:24px}.example{border-top:1px solid var(--line);padding:16px 0}.example p{font-size:13px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}.example strong{font-size:14px}.example button{margin-top:8px}.example small{display:block;color:var(--muted);margin-top:7px}.tester{grid-column:1/-1}.test-result{padding:20px;margin-top:20px;background:var(--pale);border-radius:8px}.test-result strong{font-size:12px}.test-result p{font-size:14px;line-height:1.8;white-space:pre-wrap}#success{color:var(--green)}@media(max-width:780px){.knowledge-grid{display:block}.card{margin-bottom:20px}.knowledge-page{padding:24px 16px}.two{display:block}}