.kb-section{padding:40px 20px 72px;background:#fff}.kb-inner{max-width:820px;margin:0 auto}.kb-jump{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 20px}.kb-jump a{display:inline-flex;align-items:center;justify-content:center;min-width:34px;padding:6px 10px;background:#F1F6FC;border:1px solid #E4EDF7;border-radius:8px;font-size:0.86rem;font-weight:600;color:#0B3FA8;text-decoration:none;transition:background 0.15s,color 0.15s}.kb-jump a:hover{background:#0B3FA8;color:#fff}.kb-count{margin:0 0 28px;font-size:0.88rem;color:#6a7a93}.kb-group{margin:0 0 32px;scroll-margin-top:110px}.kb-group h2{margin:0 0 14px;padding-bottom:10px;border-bottom:2px solid #E8EFF8;font-family:'Montserrat Alternates','Montserrat Alternates Fallback',sans-serif;font-weight:700;font-size:1.15rem;color:#0B2545}.kb-terms{margin:0;padding:0;list-style:none}.kb-terms li{border-bottom:1px solid #EEF3F9}.kb-terms li:last-child{border-bottom:none}.kb-terms a{display:block;padding:12px 0;text-decoration:none}.kb-terms strong{display:block;font-size:1rem;color:#0B2545}.kb-terms span{display:block;margin-top:2px;font-size:0.9rem;line-height:1.55;color:#5B6B82}.kb-terms a:hover strong{color:#0B3FA8}.kb-empty{padding:40px 24px;text-align:center;color:#5B6B82;background:#F6F9FD;border-radius:14px}.kb-article{padding:116px 20px 64px;background:#fff}.kb-article-inner{max-width:720px;margin:0 auto}.kb-article h1{margin:0 0 8px;font-family:'Montserrat Alternates','Montserrat Alternates Fallback',sans-serif;font-weight:700;font-size:1.75rem;line-height:1.2;letter-spacing:-0.02em;color:#0B2545}.kb-topic{display:inline-block;margin:0 0 18px;padding:4px 12px;background:#EAF3FB;border-radius:999px;font-size:0.8rem;font-weight:600;color:#0B3FA8}.kb-back{margin:32px 0 0;font-size:0.95rem}.kb-back a{color:#0B3FA8}@media (min-width:700px){.kb-section{padding:48px 24px 88px}.kb-group{margin-bottom:40px}.kb-group h2{font-size:1.3rem}.kb-article{padding:144px 24px 80px}.kb-article h1{font-size:2.25rem}}.kb-topics{display:grid;grid-template-columns:1fr;gap:12px;margin:0 0 36px}.kb-topic-card{display:block;padding:18px 20px;background:#F6F9FD;border:1px solid #E4EDF7;border-radius:14px;text-decoration:none;transition:border-color 0.18s,box-shadow 0.18s,transform 0.18s}.kb-topic-card:hover{border-color:#BFD8F0;box-shadow:0 10px 28px rgba(11,63,168,0.08);transform:translateY(-2px)}.kb-topic-card strong{display:block;font-family:'Montserrat Alternates','Montserrat Alternates Fallback',sans-serif;font-weight:600;font-size:1.05rem;color:#0B2545}.kb-topic-card span{display:block;margin-top:6px;font-size:0.9rem;line-height:1.55;color:#5B6B82}@media (min-width:700px){.kb-topics{grid-template-columns:repeat(2,1fr);gap:16px}}.kb-topic a{color:inherit;text-decoration:none}.kb-topic a:hover{text-decoration:underline}