.knowledge-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.knowledge-card{display:flex;flex-direction:column;min-height:270px;background:linear-gradient(145deg,#1b151a,#100e11);border:1px solid var(--line);padding:28px;transition:.2s}.knowledge-card:hover{border-color:var(--red);transform:translateY(-3px)}.knowledge-card h2{font-size:32px;margin:14px 0}.knowledge-card p{color:var(--muted);margin:0 0 24px}.knowledge-card .card-link{margin-top:auto}.knowledge-card.featured{grid-column:1/-1;min-height:0;background:linear-gradient(135deg,#351520,#170f13)}.knowledge-article{width:min(calc(100% - 40px),860px);margin:auto}.knowledge-head{padding:92px 0 54px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 75% 20%,rgba(213,31,63,.16),transparent 30%)}.knowledge-head h1{font-size:clamp(48px,8vw,82px);margin:18px 0}.knowledge-head .intro{font-size:21px;color:#ded5da}.knowledge-body{padding:62px 0}.knowledge-body h2{font-size:36px;margin:48px 0 16px}.knowledge-body p,.knowledge-body li{color:#d2c7cd;font-size:18px}.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:38px 0}.model{background:var(--surface);border-top:3px solid var(--red);padding:24px}.model h2{font-size:29px;margin:0 0 14px}.model p{font-size:16px;margin:0}.comparison{width:100%;border-collapse:collapse;margin:30px 0 42px;background:var(--surface)}.comparison th,.comparison td{padding:16px 18px;border:1px solid var(--line);text-align:left}.comparison th{background:#2a151d;font-family:Impact,"Arial Narrow",sans-serif;font-size:19px}.comparison td:first-child{font-weight:800;color:#ff7188}.check-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.check-list li{background:var(--surface);border-left:3px solid var(--red);padding:12px 16px}.related{margin-top:54px;padding:30px;background:linear-gradient(135deg,#351520,#170f13);border:1px solid #633140}.related h2{margin-top:0}.related-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.related-links a{background:rgba(11,10,12,.62);border:1px solid var(--line);padding:14px 16px;font-weight:700;color:#ff9bac}.related-links a:hover{border-color:var(--red)}@media(max-width:800px){.knowledge-grid,.model-grid,.check-list,.related-links{grid-template-columns:1fr}.knowledge-card.featured{grid-column:auto}.knowledge-article{width:min(calc(100% - 28px),860px)}.comparison{display:block;overflow-x:auto}.knowledge-head{padding:76px 0 48px}}