.breadcrumb-bar{background:var(--color-surface-elevated);border-bottom:1px solid var(--color-border);padding:.75rem 0}.blog-container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--color-ink-muted);flex-wrap:wrap}.crumb-sep{opacity:.5}.breadcrumb a{color:var(--color-ink-muted);text-decoration:none}.breadcrumb a:hover{color:var(--color-accent)}.crumb-current{color:var(--color-ink);font-weight:500}.article-hero{position:relative;background:linear-gradient(135deg,#002147,#036 60%,#004a8f);color:#fff;padding:3.5rem 0 3rem;text-align:center}.hero-image-wrap{position:absolute;inset:0;overflow:hidden}.hero-image{width:100%;height:100%;object-fit:cover;opacity:.2}.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,#002147b3,#003366e6)}.hero-content{position:relative;z-index:1}.article-label{display:inline-block;background:#f2652240;border:1px solid rgba(242,101,34,.45);color:#fff;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;padding:.35rem .9rem;border-radius:20px;margin-bottom:1.25rem}.article-hero h1{color:#fff;font-size:clamp(1.75rem,4vw,2.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.2;max-width:780px;margin:0 auto 1rem}.article-subtitle{font-size:1.0625rem;color:#ffffffe0;max-width:640px;margin:0 auto 1.25rem;line-height:1.6}.article-meta{display:flex;align-items:center;justify-content:center;gap:.4rem;font-size:.875rem;color:#ffffffb8;margin-bottom:1rem;flex-wrap:wrap}.meta-dot{opacity:.5}.article-tags{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap}.hero-tag{background:#ffffff26;border:1px solid rgba(255,255,255,.3);color:#ffffffeb;font-size:.75rem;font-weight:600;padding:.3rem .75rem;border-radius:20px}.article-layout{padding:3rem 0 5rem;background:var(--color-surface)}.article-body{display:grid;grid-template-columns:260px 1fr;gap:3rem;align-items:start}.toc-sidebar{position:sticky;top:80px}.toc-card{background:var(--color-surface-elevated);border:1px solid var(--color-border);border-radius:10px;padding:1.25rem;margin-bottom:1.25rem}.toc-title{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--color-accent);margin-bottom:.875rem}.toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px;counter-reset:toc}.toc-list li{counter-increment:toc;position:relative}.toc-list li:before{content:counter(toc) ".";position:absolute;left:0;top:.35rem;font-size:.78rem;color:var(--color-border-strong);font-weight:600;width:1.25rem;text-align:right}.toc-list a{display:block;padding:.35rem .5rem .35rem 1.5rem;font-size:.84rem;color:var(--color-ink-muted);text-decoration:none;border-radius:6px;transition:background .12s,color .12s;line-height:1.4}.toc-list a:hover{background:var(--color-accent-muted);color:var(--color-accent)}.author-card{background:var(--color-surface-elevated);border:1px solid var(--color-border);border-radius:10px;padding:1.125rem;display:flex;align-items:center;gap:.875rem;margin-bottom:1.25rem}.author-avatar{width:42px;height:42px;background:linear-gradient(135deg,#002147,#004a8f);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;flex-shrink:0}.author-name{font-size:.85rem;font-weight:700;color:var(--color-ink)}.author-role{font-size:.75rem;color:var(--color-ink-muted);margin-top:2px}.sidebar-cta{background:var(--color-accent-muted);border:1px solid rgba(242,101,34,.25);border-radius:10px;padding:1.25rem;text-align:center}.sidebar-cta p{font-size:.875rem;color:var(--color-ink);font-weight:600;margin:0 0 .75rem}.sidebar-cta-btn{display:inline-block;background:var(--color-accent);color:#fff!important;font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;padding:9px 18px;border-radius:6px;text-decoration:none!important;transition:background .15s}.sidebar-cta-btn:hover{background:#d4551a}.article-content{min-width:0}.article-content p{font-size:1rem;color:var(--color-ink-muted);line-height:1.85;margin-bottom:1.35rem}.article-content h2{font-size:1.55rem;font-weight:800;color:var(--color-ink);letter-spacing:-.02em;margin:2.5rem 0 1.25rem;line-height:1.3;scroll-margin-top:5rem;transition:color .18s}.article-content h2:hover{color:var(--color-accent)}.article-content h3{font-size:1.18rem;font-weight:700;color:var(--color-ink);margin:2rem 0 .85rem;line-height:1.35;scroll-margin-top:5rem;transition:color .18s}.article-content h3:hover{color:var(--color-accent)}.article-content h4{font-size:1.05rem;font-weight:700;color:var(--color-ink);margin:1.5rem 0 .65rem;scroll-margin-top:5rem}.article-content a{color:var(--color-accent);text-decoration:underline;text-underline-offset:2px}.article-content a:hover{color:#d4551a}.article-content ul,.article-content ol{padding-left:1.35rem;margin:0 0 1.35rem;color:var(--color-ink-muted);line-height:1.82}.article-content li{margin-bottom:.5rem}.article-content strong{color:var(--color-ink)}.article-content hr{border:none;border-top:1px solid var(--color-border);margin:2.5rem 0}.article-content blockquote{border-left:4px solid var(--color-accent);background:var(--color-accent-muted);padding:1rem 1.25rem;margin:1.5rem 0;border-radius:0 8px 8px 0;color:var(--color-ink);font-size:.95rem;line-height:1.65}.summary-box{background:var(--color-primary-muted);border-left:4px solid var(--color-primary);border-radius:0 10px 10px 0;padding:1.5rem 1.75rem;margin-bottom:2.5rem}.summary-label{font-size:.85rem;font-weight:700;color:var(--color-primary);margin-bottom:.5rem}.summary-box p{margin:0;color:var(--color-ink);font-size:.9375rem;line-height:1.7}.summary-box ul{margin:.5rem 0 0;padding-left:1.25rem;color:var(--color-ink)}.summary-box li{font-size:.9375rem;line-height:1.6;margin-bottom:.35rem}.faq-list{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.faq-item{border:1px solid var(--color-border);border-radius:8px;overflow:hidden;background:var(--color-surface-elevated);transition:border-color .15s,box-shadow .15s}.faq-item summary{padding:1rem 1.25rem;font-size:.9375rem;font-weight:600;color:var(--color-ink);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;transition:background .15s,color .15s;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";font-size:1.25rem;color:var(--color-accent);flex-shrink:0}.faq-item[open] summary:after{content:"−"}.faq-item summary:hover{background:var(--color-accent-muted);color:var(--color-accent)}.faq-item summary:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background .15s}.faq-item summary:hover:before,.faq-item[open] summary:before{background:var(--color-accent)}.faq-item[open]{border-color:#f2652259;box-shadow:0 6px 20px #f2652214}.faq-item[open] summary{background:var(--color-accent-muted);color:var(--color-accent)}.faq-item .faq-answer{padding:.75rem 1.25rem 1rem;font-size:.9375rem;color:var(--color-ink-muted);line-height:1.7}.faq-item .faq-answer p{margin:0 0 .5rem}.faq-item .faq-answer p:last-child{margin:0}.pro-tip{background:#f0fdf4;border-left:4px solid #10b981;border-radius:0 8px 8px 0;padding:1rem 1.25rem;margin:1.5rem 0;font-size:.9375rem;color:#064e3b;line-height:1.65}.warning-box{background:#fffbeb;border-left:4px solid #f59e0b;border-radius:0 8px 8px 0;padding:1rem 1.25rem;margin:1.25rem 0;font-size:.9375rem;color:#78350f;line-height:1.65}.sources-list{list-style:none;padding:0;margin:1rem 0}.sources-list li{padding:.5rem 0;border-bottom:1px solid var(--color-border);font-size:.9rem;line-height:1.55}.sources-list li:last-child{border-bottom:none}@media(max-width:1024px){.article-body{grid-template-columns:1fr}.toc-sidebar{position:static}}@media(max-width:768px){.article-hero{padding:2.5rem 0 2rem}}
