.article-detail-page{padding:var(--spacing-12) 0 var(--spacing-16);background:#fff}.article-container{max-width:800px;margin:0 auto}.back-link{display:inline-flex;align-items:center;gap:var(--spacing-2);color:var(--text-secondary);font-weight:500;margin-bottom:var(--spacing-8);transition:color .2s}.back-link:hover{color:var(--green-primary)}.article-header{margin-bottom:var(--spacing-12);padding-bottom:var(--spacing-8);border-bottom:1px solid var(--border-light)}.article-badges{display:flex;gap:var(--spacing-3);margin-bottom:var(--spacing-6)}.article-chip{display:inline-flex;align-items:center;gap:var(--spacing-1);background:var(--bg-light);padding:var(--spacing-1) var(--spacing-3);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600;color:var(--text-secondary);text-transform:uppercase}.article-chip.category{color:var(--green-primary-hover);background:#16a34a1a}.article-header h1{font-size:clamp(2rem,5vw,3rem);line-height:1.2;margin-bottom:var(--spacing-6);color:var(--text-dark)}.article-excerpt{font-size:var(--font-size-xl);color:var(--text-secondary);line-height:1.6;margin-bottom:var(--spacing-8)}.article-meta-row{display:flex;justify-content:space-between;align-items:center}.author-info{display:flex;align-items:center;gap:var(--spacing-3)}.author-avatar{width:40px;height:40px;background:var(--green-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:var(--font-size-sm)}.author-info div{display:flex;flex-direction:column}.author-name{font-weight:700;font-size:var(--font-size-sm);color:var(--text-dark)}.publish-date{font-size:var(--font-size-xs);color:var(--text-secondary)}.share-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--border-light);color:var(--text-secondary);background:#fff;cursor:pointer;transition:all .2s}.share-btn:hover{border-color:var(--green-primary);color:var(--green-primary)}.article-content{font-size:1.125rem;line-height:1.8;color:var(--text-primary)}.article-content h2{font-size:1.8rem;font-weight:700;margin-top:var(--spacing-12);margin-bottom:var(--spacing-6);color:var(--text-dark)}.article-content h3{font-size:1.4rem;font-weight:600;margin-top:var(--spacing-8);margin-bottom:var(--spacing-4);color:var(--text-dark)}.article-content p{margin-bottom:var(--spacing-6)}.article-content ul,.article-content ol{margin-bottom:var(--spacing-8);padding-left:var(--spacing-6)}.article-content li{margin-bottom:var(--spacing-3)}.article-content .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:var(--spacing-6) 0 var(--spacing-10)}.article-content .table-scroll:focus-visible{outline:2px solid var(--green-primary);outline-offset:2px}.article-content table{width:100%;border-collapse:collapse;margin:0;font-size:1rem;line-height:1.55}.article-content table caption{caption-side:top;text-align:left;font-weight:700;color:var(--text-primary);padding-bottom:var(--spacing-3)}.article-content th,.article-content td{padding:var(--spacing-3) var(--spacing-4);text-align:left;vertical-align:top;border:1px solid var(--border-light)}.article-content thead th{background:var(--bg-light);font-size:.85rem;text-transform:uppercase;letter-spacing:.03em}.article-content tbody th{font-weight:600;min-width:9rem;background:#fff}.article-content td{min-width:9rem}.article-footer{margin-top:var(--spacing-16);padding:var(--spacing-10);background:var(--bg-light);border-radius:var(--radius-xl);text-align:center}.article-footer .article-footer-title{font-family:var(--font-display);font-size:var(--font-size-xl);font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-2)}.article-footer p:not(.article-footer-title){color:var(--text-secondary);margin-bottom:var(--spacing-6)}@media (max-width: 768px){.article-detail-page{padding-top:var(--spacing-8)}}.article-hero-cover{margin:var(--spacing-6) 0 var(--spacing-8)}.reading-progress{position:fixed;top:68px;left:0;right:0;height:3px;z-index:999;pointer-events:none}.reading-progress-bar{display:block;height:100%;background:linear-gradient(90deg,var(--green-primary),var(--green-lime));transform:scaleX(0);transform-origin:0 50%;will-change:transform}.article-content a{color:var(--green-primary-hover);font-weight:500;text-decoration:underline;text-decoration-color:#15803d59;text-decoration-thickness:1.5px;text-underline-offset:3px;transition:text-decoration-color .2s ease,color .2s ease}.article-content a:hover{text-decoration-color:currentColor}.article-content a[target=_blank]:after{content:"↗";display:inline-block;margin-left:2px;font-size:.8em;text-decoration:none;opacity:.7}.article-content h2,.article-content h3{text-wrap:balance}.article-content ol{list-style:decimal}.article-content ul{list-style:disc}.article-content li::marker{color:var(--green-primary);font-weight:700}.article-content .key-takeaways{position:relative;margin:0 0 var(--spacing-12);padding:var(--spacing-8);background:var(--bg-light);border:1px solid rgba(21,128,61,.18);border-radius:var(--radius-2xl);overflow:hidden}.article-content .key-takeaways:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--green-primary),var(--green-lime))}.article-content .key-takeaways-title{font-family:var(--font-display);font-size:var(--font-size-sm);font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--green-primary-hover);margin-bottom:var(--spacing-4)}.article-content .key-takeaways ul{list-style:none;padding-left:0;margin-bottom:0;display:grid;gap:var(--spacing-3)}.article-content .key-takeaways li{position:relative;margin:0;padding-left:var(--spacing-8);font-size:1.05rem;line-height:1.6}.article-content .key-takeaways li:before{content:"";position:absolute;left:2px;top:.42em;width:16px;height:16px;border-radius:50%;background:var(--green-primary);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20zm-1.4 14.2-4-4 1.4-1.4 2.6 2.6 5.4-5.4 1.4 1.4z'/%3E%3C/svg%3E") center / contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20zm-1.4 14.2-4-4 1.4-1.4 2.6 2.6 5.4-5.4 1.4 1.4z'/%3E%3C/svg%3E") center / contain no-repeat}.article-body{position:relative}.article-toc{margin:0 0 var(--spacing-10);padding:var(--spacing-6);border:1px solid var(--border-light);border-radius:var(--radius-xl);background:#fff}.article-toc-title{display:flex;align-items:center;gap:var(--spacing-2);font-family:var(--font-display);font-size:var(--font-size-sm);font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text-primary);margin-bottom:var(--spacing-4)}.article-toc-title svg{color:var(--green-primary)}.article-toc ol{display:grid;gap:var(--spacing-1);counter-reset:toc}.article-toc li{counter-increment:toc}.article-toc a{display:grid;grid-template-columns:1.75rem 1fr;padding:var(--spacing-2) var(--spacing-3);margin:0 calc(var(--spacing-3) * -1);border-radius:var(--radius-md);font-size:var(--font-size-sm);line-height:1.45;color:var(--text-secondary);transition:color .2s ease,background-color .2s ease}.article-toc a:before{content:counter(toc,decimal-leading-zero);font-variant-numeric:tabular-nums;font-weight:600;color:var(--text-muted);transition:color .2s ease}.article-toc a:hover,.article-toc a.active{color:var(--text-primary);background:var(--bg-light)}.article-toc a.active{font-weight:600}.article-toc a.active:before{color:var(--green-primary)}@media (min-width: 1400px){.article-toc{position:absolute;top:0;bottom:0;left:calc(100% + var(--spacing-12));width:250px;margin:0;padding:0;border:0;background:none}.article-toc-inner{position:sticky;top:104px;max-height:calc(100vh - 140px);overflow-y:auto;padding-left:var(--spacing-5);border-left:1px solid var(--border-light)}.article-toc a{grid-template-columns:1fr;padding:var(--spacing-2) var(--spacing-3);margin:0;font-size:.8125rem}.article-toc a:before{content:none}.article-toc a.active{box-shadow:inset 2px 0 0 var(--green-primary);border-radius:0 var(--radius-md) var(--radius-md) 0}}.related-articles{margin-top:var(--spacing-20);padding:var(--spacing-16) 0 var(--spacing-8);background:var(--bg-light);border-top:1px solid var(--border-light)}.related-articles-title{font-family:var(--font-display);font-weight:700;line-height:1.15;letter-spacing:-.02em;color:var(--text-primary);font-size:clamp(1.6rem,2.6vw,2.1rem);margin-bottom:var(--spacing-8)}.article-detail-page{padding-bottom:0}.article-not-found{padding:var(--spacing-24) 0}.article-not-found-title{font-size:var(--font-size-3xl);margin-bottom:var(--spacing-6)}@keyframes cover-settle{0%{transform:scale(1.06)}to{transform:scale(1)}}.article-hero-cover .cover-img,.article-hero-cover .cover-svg{animation:cover-settle 1.6s var(--ease-out-expo, ease-out) both}@media (max-width: 768px){.article-content .key-takeaways{padding:var(--spacing-6)}.related-articles{margin-top:var(--spacing-12);padding-top:var(--spacing-12)}}.article-lead .key-takeaways{margin-bottom:var(--spacing-8)}