.post-main{background-color:var(--color-background);padding:4rem 0 6rem}.post-header{margin-bottom:3rem;text-align:center}.post-tag{color:var(--color-accent);font-weight:700;font-size:.875rem;letter-spacing:.1em;margin-bottom:1rem}.post-title{font-size:2.5rem;font-weight:800;color:var(--color-brand-dark);line-height:1.2;max-width:800px;margin:0 auto}.post-layout{display:grid;grid-template-columns:1fr;gap:3rem}@media (min-width:1024px){.post-layout{grid-template-columns:2fr 1fr}}.post-content{background-color:var(--color-white);border-radius:1rem;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.05)}.post-image-wrapper{width:100%;aspect-ratio:16/9;background-color:var(--color-line)}.post-image{width:100%;height:100%;object-fit:cover}.post-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-top:2.5rem}.post-gallery-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:.5rem;background-color:var(--color-line);transition:transform .2s ease,box-shadow .2s ease;cursor:pointer}.post-gallery-img:hover{transform:translateY(-2px);box-shadow:0 8px 16px rgba(0,0,0,.1)}.post-body{padding:2.5rem}.post-rich-content{font-size:1.05rem;color:#334155;line-height:1.8;margin-bottom:1.5rem}.post-rich-content p{margin-bottom:1.25rem}.post-rich-content h1{font-size:2rem;margin-top:2rem;margin-bottom:1rem}.post-rich-content h1,.post-rich-content h2{font-weight:700;color:var(--color-brand-dark)}.post-rich-content h2{font-size:1.6rem;margin-top:1.75rem;margin-bottom:.75rem}.post-rich-content h3{font-size:1.3rem;font-weight:600;color:var(--color-brand-dark);margin-top:1.5rem;margin-bottom:.5rem}.post-rich-content ol,.post-rich-content ul{padding-left:1.75rem;margin-bottom:1.25rem}.post-rich-content li{margin-bottom:.4rem}.post-rich-content blockquote{border-left:4px solid var(--color-accent);background:#f8fafc;padding:1rem 1.25rem;margin:1.5rem 0;font-style:italic;color:#475569;border-radius:0 .5rem .5rem 0}.post-rich-content figure.editor-image-figure{margin:2rem 0;text-align:center}.post-rich-content figure.editor-image-figure img{max-width:100%;height:auto;border-radius:.5rem;box-shadow:0 4px 12px rgba(0,0,0,.08)}.post-rich-content figure.editor-image-figure figcaption{font-size:.875rem;color:#64748b;margin-top:.5rem;font-style:italic}.article-youtube-wrapper,.post-rich-content .article-youtube-wrapper{position:relative;width:100%;padding-bottom:56.25%;height:0;margin:2rem 0;border-radius:.75rem;overflow:hidden;box-shadow:0 6px 18px rgba(0,0,0,.12);background-color:#000000}.article-youtube-wrapper iframe,.post-rich-content .article-youtube-wrapper iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}.post-text{font-size:1.125rem;color:var(--color-muted);line-height:1.8;margin-bottom:1.5rem}.post-sidebar{background-color:var(--color-brand-dark);border-radius:1rem;padding:2rem;color:var(--color-white);align-self:flex-start;position:sticky;top:2rem}.sidebar-title{font-size:1.25rem;font-weight:700;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-list{display:flex;flex-direction:column;gap:1.5rem}.sidebar-item{display:grid;grid-template-columns:4rem 1fr;gap:1rem;align-items:center;transition:opacity .2s}.sidebar-item:hover{opacity:.8}.sidebar-item-img{width:4rem;height:4rem;border-radius:.5rem;object-fit:cover;background-color:rgba(255,255,255,.1)}.sidebar-item-info{display:flex;flex-direction:column;gap:.25rem}.sidebar-item-date{font-size:.65rem;color:var(--color-brand-cyan);font-weight:700;text-transform:uppercase;letter-spacing:.05em}.sidebar-item-title{font-size:.875rem;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}