.knowledge-hub{padding-top:140px;padding-bottom:90px}.knowledge-intro{max-width:850px;margin:54px 0 64px}.knowledge-intro h1{font-family:var(--font-serif);font-size:clamp(42px,6.4vw,82px);line-height:1.04;letter-spacing:-.025em;margin:22px 0;text-wrap:balance}.knowledge-intro>p{max-width:620px;font-size:18px;line-height:1.7;color:var(--text-secondary)}.knowledge-search{max-width:620px;margin-top:36px}.knowledge-search label{display:block;margin-bottom:10px;font-size:13px;color:var(--text-primary)}.knowledge-search input{width:100%;min-height:54px;border:1px solid var(--border-hairline-focus);border-radius:12px;padding:14px 18px;font:inherit;color:var(--text-primary);background:var(--color-surface)}.knowledge-search input::placeholder{color:var(--text-secondary);opacity:1}.knowledge-search p{margin-top:8px;font-size:12px;color:var(--text-secondary)}.knowledge-collection-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border-hairline)}.knowledge-collection-heading h2{font-family:var(--font-serif);font-size:clamp(26px,3.4vw,38px);line-height:1.2}.knowledge-collection-heading>span{font-size:12px;white-space:nowrap;color:var(--text-secondary)}.knowledge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.knowledge-card{border:1px solid var(--border-hairline);border-radius:20px;background:linear-gradient(135deg,rgba(237,150,154,.035),var(--color-surface));transition:border-color .2s,transform .2s}.knowledge-card:hover{border-color:var(--border-hairline-focus);transform:translateY(-3px)}.knowledge-card>a{display:flex;flex-direction:column;height:100%;padding:30px;text-decoration:none;color:inherit;border-radius:inherit}.knowledge-card-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:30px}.knowledge-card .chapter-label{margin:0;font-size:10px;letter-spacing:.1em}.knowledge-card-number{font-family:var(--font-serif);font-size:30px;line-height:1;color:var(--color-accent-champagne);opacity:.7}.knowledge-card h3{font-family:var(--font-serif);font-size:clamp(26px,3vw,34px);line-height:1.18;letter-spacing:-.015em;margin-bottom:16px;text-wrap:balance}.knowledge-card p{color:var(--text-secondary);font-size:15px;line-height:1.7;margin-bottom:28px}.knowledge-card-cta{display:flex;justify-content:space-between;align-items:center;gap:14px;border-top:1px solid var(--border-hairline);padding-top:20px;margin-top:auto;color:var(--color-accent-pink);font-size:13px}.knowledge-card-cta>span{font-size:22px}.knowledge-empty{padding:40px 20px;border:1px dashed var(--border-hairline-focus);border-radius:16px;color:var(--text-secondary)}.knowledge-bottom-note{margin-top:70px;padding:46px 30px;border-top:1px solid var(--border-hairline);text-align:center}.knowledge-bottom-note h2{max-width:680px;margin:16px auto 28px;font:400 clamp(30px,4vw,48px)/1.15 var(--font-serif);text-wrap:balance}.knowledge-text-link{display:inline-block;color:var(--color-accent-pink);text-decoration:underline;text-underline-offset:5px;padding:8px 0;font-size:14px}.knowledge-library-link{display:block;text-align:center;font-size:13px;color:var(--text-secondary);text-underline-offset:4px}.knowledge-toc{margin:32px 0 44px;padding:24px;background:var(--color-surface);border:1px solid var(--border-hairline);border-radius:16px}.knowledge-toc strong{font-size:13px;color:var(--text-primary)}.knowledge-toc ol{padding-left:0;margin:12px 0 0;list-style:none}.knowledge-toc a{font-size:14px}.knowledge-article .guide-body a{color:var(--color-accent-pink);text-decoration:underline;text-underline-offset:3px}.knowledge-article .guide-body a.cta-gold{color:var(--color-bg);text-decoration:none}.knowledge-checklist{padding:24px 24px 24px 44px;background:#ed969a0d;border:1px solid var(--border-hairline-focus);border-radius:14px}.knowledge-checklist li{padding-left:4px;margin:8px 0}.knowledge-checklist li::marker{color:var(--color-accent-pink)}.knowledge-related{margin-top:44px;padding-top:12px;border-top:1px solid var(--border-hairline)}.knowledge-related li{margin:12px 0}.knowledge-article .guide-cta-box h2{margin:0 0 16px}@media(max-width:600px){.knowledge-hub{padding-top:110px;padding-bottom:50px}.knowledge-intro{margin:30px 0 40px}.knowledge-grid{grid-template-columns:minmax(0,1fr);gap:16px}.knowledge-card>a{padding:24px}.knowledge-card-top{margin-bottom:24px}.knowledge-intro>p{font-size:16px}.knowledge-bottom-note{padding:36px 0;margin-top:40px}}