:root{--navy: #1B3A5C;--teal: #1A8B8B;--teal-light: #e8f5f5;--link-light: #C5D8E8;--footer-link: #A8BDD4;--gray1: #F5F7FA;--gray2: #EEF2F7;--gray3: #DDE3EC;--gray4: #8A9BB0;--text: #222;--text-light: #444}body{font-family:Inter,system-ui,sans-serif;color:var(--text);background:#fff;line-height:1.6}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}@media(max-width:680px){.header-nav.open{display:flex}}.article-hero{background:linear-gradient(135deg,var(--navy) 0%,#22507a 100%);color:#fff;padding:60px 20px 50px;text-align:center}.article-hero .breadcrumb{font-size:.82rem;color:var(--link-light);margin-bottom:16px}.article-hero .breadcrumb a{color:var(--link-light)}.article-hero .breadcrumb a:hover{color:#fff}.article-hero h1{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;line-height:1.2;max-width:800px;margin:0 auto 16px}.article-hero .subtitle{font-size:1.1rem;color:var(--link-light);max-width:620px;margin:0 auto 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}.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 ol{list-style:none;display:flex;flex-direction:column;gap:6px;counter-reset:jump-counter}.jump-nav ol li{counter-increment:jump-counter;display:flex;align-items:baseline;gap:8px}.jump-nav ol li:before{content:counter(jump-counter);font-size:.72rem;font-weight:700;color:var(--teal);background:var(--teal-light);width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.jump-nav a{font-size:.93rem;font-weight:500;color:var(--navy)}.jump-nav a:hover{color:var(--teal)}.article-section{margin-bottom:52px}.article-section h2{font-size:1.5rem;font-weight:800;color:var(--navy);margin-bottom:16px;border-top:3px solid var(--teal);padding-top:16px}.article-section p{font-size:1rem;line-height:1.75;color:var(--text-light);margin-bottom:16px}.article-section p:last-child{margin-bottom:0}.article-section h3{font-size:1.1rem;font-weight:700;color:var(--navy);margin:24px 0 10px}.key-fact{background:var(--teal-light);border-left:4px solid 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}.key-fact strong{color:var(--teal)}.step-cards{display:flex;flex-direction:column;gap:16px;margin:24px 0}.step-card{display:flex;gap:20px;background:var(--gray1);border:1px solid var(--gray3);border-radius:10px;padding:20px;align-items:flex-start}.step-num{background:var(--navy);color:#fff;font-weight:800;font-size:.9rem;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.step-card h4{font-size:1rem;font-weight:700;color:var(--navy);margin-bottom:6px}.step-card p{font-size:.93rem;color:var(--text-light);line-height:1.6;margin-bottom:0!important}.compare-table-wrap{overflow-x:auto;margin:24px 0;border-radius:10px;border:1px solid var(--gray3)}.compare-table{width:100%;border-collapse:collapse;font-size:.9rem}.compare-table thead tr{background:var(--navy);color:#fff}.compare-table th{padding:12px 14px;text-align:left;font-weight:600;font-size:.83rem;white-space:nowrap}.compare-table td{padding:11px 14px;border-bottom:1px solid var(--gray3);color:var(--text-light);vertical-align:top}.compare-table tr:last-child td{border-bottom:none}.compare-table tr:nth-child(2n) td{background:var(--gray1)}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:.75rem;font-weight:600}.badge-teal{background:var(--teal-light);color:var(--teal)}.badge-navy{background:#e8edf4;color:var(--navy)}.mechanism-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}@media(max-width:600px){.mechanism-grid{grid-template-columns:1fr}}.mechanism-card{border:1px solid var(--gray3);border-radius:10px;padding:20px;text-align:center}.mechanism-icon{font-size:2rem;margin-bottom:10px}.mechanism-card h4{font-size:.95rem;font-weight:700;color:var(--navy);margin-bottom:8px}.mechanism-card p{font-size:.87rem;color:var(--text-light);line-height:1.55}.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 p{color:var(--link-light);font-size:1rem;margin-bottom:24px}.cta-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.btn-primary{background:var(--teal);color:#fff;padding:13px 28px;border-radius:8px;font-weight:700;font-size:.95rem;text-decoration:none;display:inline-block}.btn-primary:hover{background:#167a7a;text-decoration:none}.btn-secondary{background:#ffffff1f;color:#fff;border:1.5px solid rgba(255,255,255,.35);padding:13px 28px;border-radius:8px;font-weight:600;font-size:.95rem;text-decoration:none;display:inline-block}.btn-secondary:hover{background:#fff3;text-decoration:none}.related-articles{margin-top:56px}.related-articles h2{font-size:1.2rem;font-weight:700;color:var(--navy);margin-bottom:16px}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.related-card{background:var(--gray1);border:1px solid var(--gray3);border-radius:10px;padding:18px 20px;text-decoration:none;transition:border-color .15s;display:block}.related-card:hover{border-color:var(--teal);text-decoration:none}.related-card .tag{font-size:.75rem;font-weight:700;color:var(--teal);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}.related-card h3{font-size:.95rem;font-weight:600;color:var(--navy);line-height:1.4}.site-footer{background:var(--navy);color:#fff;padding:48px 20px 24px;margin-top:80px;border-top:3px solid var(--teal)}.footer-grid{max-width:900px;margin:0 auto 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}@media(max-width:600px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:24px}}.footer-col h4{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--link-light);margin-bottom:12px}.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:8px}.footer-col ul li a{color:var(--footer-link);font-size:.88rem;text-decoration:none}.footer-col ul li a:hover{color:#fff}.footer-bottom{max-width:900px;margin:0 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)}