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28px}.article-meta{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;font-size:.83rem;color:#ffffffa6}.article-meta span{display:flex;align-items:center;gap:5px}.overview-stats{background:var(--gray1);border-bottom:1px solid var(--gray3);padding:32px 20px}.stats-inner{max-width:860px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}@media(max-width:640px){.stats-inner{grid-template-columns:repeat(2,1fr)}}.stat-item .stat-num{font-size:1.8rem;font-weight:800;color:var(--navy);line-height:1}.stat-item .stat-label{font-size:.82rem;color:var(--gray4);margin-top:4px}.article-layout{max-width:860px;margin:0 auto;padding:48px 20px 64px}.jump-nav{background:var(--gray1);border:1px solid var(--gray3);border-radius:10px;padding:20px 24px;margin-bottom:48px}.jump-nav h3{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--gray4);margin-bottom:12px}.jump-nav 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var(--teal);border-radius:0 8px 8px 0;padding:16px 20px;margin:24px 0}.key-fact p{font-size:.95rem;color:var(--navy);font-weight:500;margin-bottom:0!important}.se-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:24px 0}@media(max-width:580px){.se-grid{grid-template-columns:1fr}}.se-card{border:1px solid var(--gray3);border-radius:10px;padding:20px}.se-card .se-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.se-card .se-icon{font-size:1.4rem}.se-card h4{font-size:1rem;font-weight:700;color:var(--navy)}.se-card .se-freq{font-size:.75rem;font-weight:600;padding:2px 8px;border-radius:20px;margin-left:auto}.freq-common{background:#fff3e6;color:#b85a00}.freq-less{background:#f0f4ff;color:#3a5ab8}.freq-rare{background:#f5f5f5;color:#666}.se-card p{font-size:.88rem;color:var(--text-light);line-height:1.55;margin-bottom:10px}.se-card .se-tips{margin-top:10px}.se-card .se-tips 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0}.timeline-item{display:flex;gap:20px;padding-bottom:28px;position:relative}.timeline-item:last-child{padding-bottom:0}.timeline-left{display:flex;flex-direction:column;align-items:center;width:40px;flex-shrink:0}.timeline-dot{width:14px;height:14px;border-radius:50%;background:var(--teal);border:2px solid #fff;box-shadow:0 0 0 2px var(--teal);flex-shrink:0}.timeline-line{width:2px;background:var(--gray3);flex:1;margin-top:4px}.timeline-item:last-child .timeline-line{display:none}.timeline-content{padding-top:0}.timeline-content .t-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--teal);margin-bottom:4px}.timeline-content h4{font-size:1rem;font-weight:700;color:var(--navy);margin-bottom:6px}.timeline-content p{font-size:.9rem;color:var(--text-light);line-height:1.6}.note-box{background:#fff8e6;border:1px solid #f0c040;border-radius:8px;padding:16px 20px;margin:24px 0}.note-box p{font-size:.93rem;color:#5a4200;margin-bottom:0!important}.faq-list{display:flex;flex-direction:column;gap:0;margin:20px 0;border:1px solid var(--gray3);border-radius:10px;overflow:hidden}.faq-item{border-bottom:1px solid var(--gray3)}.faq-item:last-child{border-bottom:none}.faq-q{font-size:.97rem;font-weight:600;color:var(--navy);padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}.faq-q:after{content:"+";font-size:1.2rem;color:var(--teal);font-weight:400}.faq-a{padding:0 20px 16px;font-size:.93rem;color:var(--text-light);line-height:1.65}.article-cta{background:linear-gradient(135deg,var(--navy) 0%,#22507a 100%);color:#fff;border-radius:14px;padding:40px 32px;text-align:center;margin-top:56px}.article-cta h2{font-size:1.5rem;font-weight:800;margin-bottom:10px}.article-cta 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auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem;color:var(--footer-link);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}.footer-logo{font-weight:800;color:#fff;font-size:1rem;margin-bottom:8px;display:block;text-decoration:none}.footer-logo span{color:var(--teal)}