:root{--knowledge-bg:#f8fafc;--knowledge-surface:#fff;--knowledge-hero-start:#0f172a;--knowledge-hero-end:#0f766e;--knowledge-text:#0f172a;--knowledge-text-muted:#475569;--knowledge-border:#e2e8f0;--knowledge-primary:#0891b2;--knowledge-primary-dark:#0f766e;--knowledge-success:#10b981;--knowledge-warning:#f59e0b;--knowledge-danger:#ef4444}:root[data-theme=dark]{--knowledge-bg:#0b1118;--knowledge-surface:#131b25;--knowledge-hero-start:#0b1118;--knowledge-hero-end:#115e59;--knowledge-text:#e8eef5;--knowledge-text-muted:#bcc8d6;--knowledge-border:#94a3b82e;--knowledge-primary:#22d3ee;--knowledge-primary-dark:#2dd4bf;--knowledge-success:#4ade9c;--knowledge-warning:#f5b544;--knowledge-danger:#f87979}.knowledgePage{background:var(--knowledge-bg);min-height:100vh}.knowledgeHero{background:linear-gradient(135deg, var(--knowledge-hero-start), var(--knowledge-hero-end));color:#fff;border-radius:28px;padding:42px}.knowledgeCard{background:var(--knowledge-surface);border:1px solid var(--knowledge-border);border-radius:22px}.knowledgeSectionTitle{color:var(--knowledge-text);font-weight:800}.knowledgeText{color:var(--knowledge-text-muted);line-height:1.8}.knowledgeBadge{color:#fff;background:#ffffff26;border-radius:999px;padding:6px 14px}.knowledgeButton{background:var(--knowledge-primary);color:#fff;border-radius:999px}.knowledgeButton:hover{background:var(--knowledge-primary-dark)}.knowledgeArticleContainer{width:min(100% - 32px,980px);margin:0 auto;padding:42px 0 72px}.knowledgeBackLink{color:var(--knowledge-primary-dark);align-items:center;font-weight:850;text-decoration:none;display:inline-flex}.knowledgeBackLink:hover{text-decoration:underline}.knowledgeArticleHero{background:linear-gradient(135deg, var(--knowledge-hero-start), var(--knowledge-hero-end));border-radius:30px;margin-top:24px;padding:38px;box-shadow:0 28px 70px #0f172a29}.knowledgeArticleHeroTop{justify-content:space-between;align-items:center;gap:16px;display:flex}.knowledgeArticleType,.knowledgeArticleReadingTime{color:#ecfeff;background:#ffffff24;border-radius:999px;padding:7px 12px;font-size:.76rem;font-weight:900;display:inline-flex}.knowledgeArticleHero h1{color:#fff;margin:22px 0 12px;font-size:clamp(2.2rem,6vw,4rem);line-height:1.05}.knowledgeArticleHero>p{color:#dbeafe;max-width:760px;margin:0;font-size:1.08rem;line-height:1.75}.knowledgeArticleMeta{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.knowledgeArticleMeta span{color:#f8fafc;background:#ffffff1c;border-radius:12px;padding:8px 12px;font-size:.78rem;font-weight:800}.knowledgeArticleBody{margin-top:24px;padding:30px}.knowledgeArticleContent{white-space:pre-wrap;color:var(--knowledge-text);font-size:1.05rem;line-height:1.9}.knowledgeArticleEmpty span,.knowledgeEvidenceKicker,.knowledgeTakeawayCard>span{color:var(--knowledge-primary);letter-spacing:.08em;text-transform:uppercase;font-size:.75rem;font-weight:950}.knowledgeArticleEmpty h2{color:var(--knowledge-text);margin:9px 0 8px}.knowledgeArticleEmpty p{color:var(--knowledge-text-muted);margin:0;line-height:1.75}.knowledgeTakeawayCard{border:1px solid var(--oh-c-line-teal-200,#99f6e4);background:var(--oh-c-bg-teal-50,#f0fdfa);border-radius:22px;margin-top:20px;padding:24px}.knowledgeTakeawayCard p{color:var(--oh-c-ink-teal-900,#134e4a);margin:9px 0 0;font-weight:700;line-height:1.75}.knowledgeEvidenceCard{margin-top:20px;padding:28px}.knowledgeEvidenceHeader{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.knowledgeEvidenceHeader h2{color:var(--knowledge-text);margin:8px 0 0}.knowledgeEvidenceLevel{background:var(--oh-c-bg-cyan-50,#ecfeff);color:var(--oh-c-ink-cyan-700,#0e7490);border-radius:999px;flex-shrink:0;padding:8px 12px;font-size:.76rem;font-weight:900}.knowledgeSourceList{gap:10px;margin-top:22px;display:grid}.knowledgeSourceItem{border:1px solid var(--knowledge-border);background:var(--knowledge-bg);color:var(--knowledge-text);border-radius:16px;justify-content:space-between;gap:18px;padding:16px;text-decoration:none;display:flex}.knowledgeSourceItem:hover{background:var(--oh-c-bg-cyan-50,#ecfeff);border-color:#67e8f9}.knowledgeSourceItem strong{display:block}.knowledgeSourceItem div>span{color:var(--knowledge-text-muted);margin-top:4px;font-size:.8rem;display:block}.knowledgeReviewMeta{color:var(--knowledge-text-muted);flex-wrap:wrap;gap:12px;margin-top:20px;font-size:.82rem;font-weight:750;display:flex}.knowledgeSafetyNotice{border:1px solid var(--oh-c-line-blue-200,#bfdbfe);background:var(--oh-c-bg-blue-50,#eff6ff);border-radius:18px;margin-top:20px;padding:20px 22px}.knowledgeSafetyNotice strong{color:var(--oh-c-ink-blue-900,#1e3a8a)}.knowledgeSafetyNotice p{color:var(--oh-soft-text,#475569);margin:6px 0 0;line-height:1.65}@media (max-width:620px){.knowledgeArticleContainer{width:min(100% - 24px,980px);padding-top:26px}.knowledgeArticleHero,.knowledgeArticleBody,.knowledgeEvidenceCard{border-radius:22px;padding:22px}.knowledgeArticleHeroTop,.knowledgeEvidenceHeader{flex-direction:column;align-items:flex-start}.knowledgeArticleHero h1{font-size:2.35rem}}.knowledgeHubContainer{width:min(100% - 32px,1120px);margin:0 auto;padding:42px 0 72px}.knowledgeHubEyebrow,.knowledgeHubSectionLabel{color:#67e8f9;letter-spacing:.09em;text-transform:uppercase;font-size:.76rem;font-weight:950;display:block}.knowledgeHero h1{color:#fff;margin:12px 0 10px;font-size:clamp(2.3rem,6vw,4.3rem);line-height:1.05}.knowledgeHero p{color:#dbeafe;max-width:760px;margin:0;font-size:1.05rem;line-height:1.75}.knowledgeHubIntro{justify-content:space-between;align-items:flex-start;gap:22px;margin:30px 0 20px;display:flex}.knowledgeHubSectionLabel{color:var(--knowledge-primary)}.knowledgeHubIntro h2{color:var(--knowledge-text);margin:8px 0;font-size:clamp(1.55rem,3vw,2.2rem)}.knowledgeHubIntro p{max-width:720px;color:var(--knowledge-text-muted);margin:0;line-height:1.7}.knowledgeHubCount{background:var(--oh-c-bg-cyan-50,#ecfeff);color:var(--oh-c-ink-cyan-700,#0e7490);border-radius:999px;flex-shrink:0;padding:10px 14px;font-size:.8rem;font-weight:900}.knowledgePackGrid{grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;display:grid}.knowledgePackCard{border:1px solid var(--knowledge-border);background:var(--knowledge-surface);color:inherit;border-radius:22px;padding:24px;text-decoration:none;transition:transform .18s,border-color .18s,box-shadow .18s;display:block;box-shadow:0 18px 48px #0f172a0d}.knowledgePackCard:hover{border-color:#67e8f9;transform:translateY(-3px);box-shadow:0 24px 58px #0f172a17}.knowledgePackCardTop{justify-content:space-between;align-items:center;gap:14px;display:flex}.knowledgePackOrgan{color:var(--knowledge-primary);letter-spacing:.08em;text-transform:uppercase;font-size:.74rem;font-weight:950}.knowledgePackStatus{background:var(--oh-c-bg-emerald-50,#ecfdf5);color:var(--oh-c-ink-emerald-700,#047857);border-radius:999px;padding:6px 10px;font-size:.7rem;font-weight:900}.knowledgePackCard h2{color:var(--knowledge-text);margin:18px 0 10px;font-size:1.45rem}.knowledgePackCard p{color:var(--knowledge-text-muted);margin:0;line-height:1.65}.knowledgePackMeta{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.knowledgePackMeta span{background:var(--knowledge-bg);color:var(--oh-soft-text,#475569);border-radius:10px;padding:7px 10px;font-size:.75rem;font-weight:800}.knowledgePackExplore{color:var(--knowledge-primary-dark);margin-top:22px;font-weight:900;display:inline-flex}.knowledgeHubEmpty{padding:30px}.knowledgeHubEmpty>span{color:var(--knowledge-primary);text-transform:uppercase;font-size:.75rem;font-weight:950}.knowledgeHubEmpty h2{color:var(--knowledge-text);margin:8px 0}.knowledgeHubEmpty p{color:var(--knowledge-text-muted);margin:0}@media (max-width:620px){.knowledgeHubContainer{width:min(100% - 24px,1120px);padding-top:26px}.knowledgeHero{border-radius:22px;padding:26px}.knowledgeHubIntro{flex-direction:column}}.knowledgeRecommendationCard{border:1px solid var(--knowledge-border);background:var(--knowledge-surface);border-radius:24px;margin-top:24px;padding:28px;box-shadow:0 18px 50px #0f172a0f}.knowledgeRecommendationEyebrow{color:var(--knowledge-primary);letter-spacing:.08em;text-transform:uppercase;font-size:.75rem;font-weight:900;display:block}.knowledgeRecommendationCard h2{color:var(--knowledge-text);margin:10px 0}.knowledgeRecommendationCard p{color:var(--knowledge-text-muted);line-height:1.7}.knowledgeRecommendationPack,.knowledgeRecommendationArticle{border:1px solid var(--knowledge-border);background:var(--knowledge-bg);color:inherit;border-radius:16px;margin-top:18px;padding:18px;text-decoration:none;transition:all .18s;display:block}.knowledgeRecommendationPack:hover,.knowledgeRecommendationArticle:hover{background:var(--oh-c-bg-cyan-50,#ecfeff);border-color:#67e8f9}.knowledgeRecommendationPack strong,.knowledgeRecommendationArticle strong{color:var(--knowledge-text);display:block}.knowledgeRecommendationPack span,.knowledgeRecommendationArticle span{color:var(--knowledge-text-muted);margin-top:6px;display:block}.knowledgeRecommendationReason{background:var(--oh-c-bg-slate-50,#f8fafc);border:1px solid var(--knowledge-border);border-radius:16px;margin-top:18px;padding:18px}.knowledgeRecommendationReason strong{color:var(--knowledge-text);margin-bottom:10px;display:block}.knowledgeRecommendationReason ul{margin:0;padding-left:18px}.knowledgeRecommendationReason li{color:var(--knowledge-text-muted);margin-bottom:8px;line-height:1.6}