:root{--ink:#111827;--muted:#6b7280;--border:#e5e7eb;--accent:#6d28d9;--accent2:#7c3aed;--soft:#faf5ff;--good:#065f46;--goodbg:#ecfdf5;--warn:#78350f;--warnbg:#fffbeb;--bad:#991b1b;--badbg:#fef2f2;--shadow:0 14px 40px rgba(17,24,39,.08)}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:linear-gradient(180deg,#fff,#fcfbff);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.knowledgeWrap{max-width:1180px;margin:auto;padding:22px 18px 70px}.knowledgeHeader{display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--border);padding-bottom:18px}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:#4c1d95;font-size:24px;font-weight:900}.brandMark{width:30px;height:30px}.knowledgeHeader nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px 14px}.knowledgeHeader nav a{text-decoration:none;color:#1f2937;font-size:13px;font-weight:800}.knowledgeHeader nav 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