.article-hero{position:relative;width:100%;height:660px;overflow:hidden}.article-hero-image{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0;filter:brightness(0.6)}.article-hero-overlay{position:relative;z-index:10;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:var(--spacing-3xl) var(--spacing-lg);max-width:1200px;margin:0 auto}.article-hero-breadcrumb{margin-bottom:var(--spacing-md)}.article-hero-breadcrumb-text{color:var(--text-inverse);opacity:0.9;font-size:var(--font-size-sm);text-transform:uppercase;letter-spacing:0.5px;font-weight:600}.article-hero-breadcrumb-link{color:var(--text-inverse);text-decoration:none;opacity:0.9;transition:opacity 0.2s}.article-hero-breadcrumb-link:hover{opacity:1}.article-hero-title{color:var(--text-inverse);font-size:var(--font-size-3xl);font-family:var(--font-heading);line-height:var(--line-height-tight);margin-bottom:var(--spacing-md);text-shadow:var(--shadow-sm)}.article-hero-meta{display:flex;align-items:center;gap:var(--spacing-md);color:var(--text-inverse);opacity:0.9;font-size:var(--font-size-sm)}.article-hero-meta .article-hero-meta-link{color:var(--text-inverse);text-decoration:none;transition:opacity 0.2s}.article-hero-meta .article-hero-meta-link:hover{color:var(--text-inverse);opacity:0.8}.article-main-content{max-width:1440px;margin:var(--spacing-xl) auto;padding:0 var(--spacing-lg)}.article-layout{display:grid;grid-template-columns:1fr 300px;gap:var(--spacing-xl);min-width:0}.article-content-card{background:var(--bg-primary);padding:var(--spacing-3xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:var(--spacing-md);min-width:0;overflow:hidden}.article-body-text{font-family:var(--font-article-body);font-size:18px;line-height:1.7;color:var(--text-primary);min-width:0;overflow-wrap:break-word;word-wrap:break-word}.article-body-text h1,.article-body-text h2,.article-body-text h3,.article-body-text h4,.article-body-text h5,.article-body-text h6{font-family:var(--font-article-heading);font-weight:400;line-height:1.2}.article-body-text h2{font-size:32px}.article-body-text pre{max-width:100%;overflow-x:auto}.article-body-text code{word-break:break-word}.article-body-text pre code{word-break:normal}.article-body-text img{max-width:100%;height:auto;display:block;margin:var(--spacing-lg) 0;border-radius:var(--radius-md)}.article-body-text figure{margin:var(--spacing-xl) 0;text-align:center}.article-body-text figure img{margin:0 auto}.article-body-text figcaption{margin-top:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--text-secondary);font-style:italic}.article-footer-section{margin-top:var(--spacing-3xl);padding-top:var(--spacing-xl);border-top:2px solid var(--border-primary)}.article-tags-container{display:flex;align-items:center;gap:var(--spacing-sm);flex-wrap:wrap}.article-tags-label{font-weight:700;color:var(--text-primary);font-size:var(--font-size-base)}.sidebar-cta-gradient{background:linear-gradient(135deg,var(--color-primary) 0%,var(--button-primary-hover) 100%);padding:var(--spacing-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);margin-bottom:var(--spacing-xl)}.sidebar-cta-icon-center{text-align:center;margin-bottom:var(--spacing-md)}.sidebar-cta-icon-large{font-size:48px}.sidebar-cta-title{font-family:var(--font-heading);font-size:var(--font-size-xl);margin-bottom:var(--spacing-md);color:var(--text-inverse);text-align:center}.sidebar-cta-text{color:var(--text-inverse);opacity:0.95;font-size:var(--font-size-sm);line-height:var(--line-height-normal);margin-bottom:var(--spacing-lg);text-align:center}.sidebar-cta-button-white{width:100%;background:var(--bg-primary);color:var(--color-primary);border:none}.sidebar-cta-standard{background:var(--bg-primary);padding:var(--spacing-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:var(--spacing-xl)}.sidebar-cta-title-dark{font-family:var(--font-heading);font-size:var(--font-size-xl);margin-bottom:var(--spacing-md);color:var(--text-primary)}.sidebar-cta-text-dark{color:var(--text-secondary);font-size:var(--font-size-sm);line-height:var(--line-height-normal);margin-bottom:var(--spacing-lg)}.sidebar-cta-button-full{width:100%}.sidebar-toc{background:var(--bg-primary);padding:var(--spacing-lg);border-radius:var(--radius-lg);border:1px solid var(--border-primary);position:sticky;top:var(--spacing-xl)}.sidebar-toc-title{font-family:var(--font-heading);font-size:var(--font-size-sm);font-weight:600;text-transform:uppercase;letter-spacing:0.05em;margin-bottom:var(--spacing-md);color:var(--text-tertiary)}.sidebar-toc-nav{max-height:50vh;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border-primary) transparent}.sidebar-toc-nav::-webkit-scrollbar{width:4px}.sidebar-toc-nav::-webkit-scrollbar-track{background:transparent}.sidebar-toc-nav::-webkit-scrollbar-thumb{background:var(--border-primary);border-radius:var(--radius-full)}.sidebar-toc-list{list-style:none;padding:0;margin:0;border-left:2px solid var(--border-secondary)}.sidebar-toc-item{margin:0}.sidebar-toc-item--h2{margin-top:var(--spacing-xs)}.sidebar-toc-item--h2:first-child{margin-top:0}.sidebar-toc-item--h3 .sidebar-toc-link{padding-left:var(--spacing-lg);font-size:var(--font-size-xs)}.sidebar-toc-link{color:var(--text-secondary);text-decoration:none;font-size:var(--font-size-sm);line-height:var(--line-height-tight);display:block;padding:var(--spacing-xs) var(--spacing-sm);margin-left:-2px;border-left:2px solid transparent;transition:all var(--transition-fast)}.sidebar-toc-link:hover{color:var(--color-primary);border-left-color:var(--color-primary);background:var(--bg-secondary)}.sidebar-toc-link.active{color:var(--color-primary);border-left-color:var(--color-primary);font-weight:500}.related-posts-section{padding:var(--spacing-2xl);background:var(--bg-tertiary);border-radius:var(--radius-lg);margin-top:var(--spacing-md)}.related-posts-title{margin-bottom:var(--spacing-xl);text-align:center;font-family:var(--font-heading);font-size:var(--font-size-3xl)}.related-posts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,384px));gap:var(--spacing-lg);justify-content:center}.related-post-image-container{height:180px;overflow:hidden}.related-post-image{width:100%;height:100%;object-fit:cover}.related-post-link{color:var(--text-primary);text-decoration:none}.related-post-date{color:var(--text-tertiary);font-size:var(--font-size-sm);margin-bottom:var(--spacing-md)}@media (max-width:1024px){.article-layout{grid-template-columns:1fr}aside{order:2}.article-content-card{order:1}}.panel{padding:var(--spacing-lg);margin:var(--spacing-lg) 0;border-radius:var(--radius-md);border:2px solid;background-color:var(--bg-primary)}.panel--default{border-color:#9E9E9E;background-color:#F5F5F5}:root[data-theme="dark"] .panel--default{border-color:#757575;background-color:#2A2A2A}.panel--info{border-color:#2196F3;background-color:#E3F2FD}:root[data-theme="dark"] .panel--info{border-color:#42A5F5;background-color:#1A2530}.panel--success{border-color:#4CAF50;background-color:#E8F5E9}:root[data-theme="dark"] .panel--success{border-color:#66BB6A;background-color:#1B2E1F}.panel--warning{border-color:#FF9800;background-color:#FFF3E0}:root[data-theme="dark"] .panel--warning{border-color:#FFA726;background-color:#2E2416}.panel--error{border-color:#F44336;background-color:#FFEBEE}:root[data-theme="dark"] .panel--error{border-color:#EF5350;background-color:#2E1A1A}.panel--primary{border-color:#7AC488;background-color:#E8F5EA}:root[data-theme="dark"] .panel--primary{border-color:#8DD09A;background-color:#1B2E1F}.panel--boxed{box-shadow:var(--shadow-lg);border-width:1px}.panel--minimal{padding:var(--spacing-md);border:none;border-left:4px solid;border-radius:0}.panel--centered{text-align:center}.panel--centered .panel__title{justify-content:center}.panel__title{font-size:var(--font-size-xl);font-weight:700;margin:0 0 var(--spacing-sm) 0;color:var(--text-primary);display:flex;align-items:center;gap:var(--spacing-xs)}.panel__icon{font-size:var(--font-size-2xl);line-height:1}.panel__content{color:var(--text-primary);line-height:var(--line-height-relaxed)}.panel__content p:last-child{margin-bottom:0}.panel--info .panel__icon{color:#2196F3}.panel--success .panel__icon{color:#4CAF50}.panel--warning .panel__icon{color:#FF9800}.panel--error .panel__icon{color:#F44336}.panel--primary .panel__icon{color:#7AC488}.share-buttons{display:flex;align-items:center;gap:var(--spacing-sm);margin:var(--spacing-lg) 0}.share-buttons-label{font-size:var(--font-size-sm);color:var(--text-secondary);font-weight:500}.share-button{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-md);background-color:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border-primary);text-decoration:none;cursor:pointer;transition:all 0.2s ease;position:relative}.share-button:hover{color:#FFFFFF;border-color:transparent}.share-button--twitter:hover{background-color:#000000}.share-button--linkedin:hover{background-color:#0A66C2}.share-button--facebook:hover{background-color:#1877F2}.share-button--email:hover{background-color:var(--color-accent)}.share-button--copy:hover{background-color:var(--color-accent)}.share-button-tooltip{position:absolute;bottom:100%;left:50%;transform:translateX(-50%);padding:4px 8px;background-color:var(--bg-primary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);font-size:var(--font-size-xs);color:var(--text-primary);white-space:nowrap;opacity:0;visibility:hidden;transition:opacity 0.2s ease,visibility 0.2s ease;margin-bottom:4px}.share-button--copy.copied .share-button-tooltip{opacity:1;visibility:visible}.article-footer-section .share-buttons{margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--border-primary)}@media (max-width:768px){.share-buttons{flex-wrap:wrap;justify-content:center}.share-buttons-label{width:100%;text-align:center;margin-bottom:var(--spacing-xs)}}.comment-section{max-width:900px;margin:var(--spacing-3xl) auto;padding:var(--spacing-2xl) var(--spacing-lg);border-top:2px solid var(--border-primary)}.comment-section-header{margin-bottom:var(--spacing-2xl)}.comment-section-title{font-family:var(--font-heading);font-size:var(--font-size-3xl);margin-bottom:var(--spacing-xs);color:var(--text-primary)}.comment-section-count{font-size:var(--font-size-lg);color:var(--text-secondary)}.comment-form-container{background:var(--bg-secondary);padding:var(--spacing-2xl);border-radius:var(--radius-lg);margin-top:var(--spacing-2xl);margin-bottom:var(--spacing-3xl);border:2px solid var(--border-secondary)}.comment-form-title{font-family:var(--font-heading);font-size:var(--font-size-2xl);margin-bottom:var(--spacing-md);color:var(--text-primary)}.comment-form-privacy{font-size:var(--font-size-sm);color:var(--text-secondary);margin-bottom:var(--spacing-lg);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border-left:3px solid var(--color-info);border-radius:var(--radius-sm)}.comment-form{display:flex;flex-direction:column;gap:var(--spacing-md)}.form-label-optional{color:var(--text-tertiary);font-weight:400;font-size:var(--font-size-sm)}.form-label-required{color:var(--color-error);font-weight:600}.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.comment-form-notice{font-size:var(--font-size-sm);color:var(--text-tertiary);text-align:center;margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--border-secondary)}.comment-form-row{display:flex;gap:var(--spacing-md)}.form-group--half{flex:1;min-width:0}.comment-form-meta{display:flex;justify-content:space-between;align-items:center;margin-top:var(--spacing-xs);font-size:var(--font-size-xs);color:var(--text-tertiary)}.comment-form-hint{font-style:italic}.comment-form-actions{display:flex;gap:var(--spacing-sm);margin-top:var(--spacing-sm)}.button--ghost{background:transparent;color:var(--text-secondary);border:none;padding:var(--spacing-sm) var(--spacing-md);cursor:pointer;font-size:var(--font-size-sm);transition:color 0.2s ease}.button--ghost:hover{color:var(--text-primary)}.comment-reply-context{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-accent);color:var(--text-inverse);border-radius:var(--radius-sm);font-size:var(--font-size-sm);margin-bottom:var(--spacing-md)}.comment-reply-context[data-hidden="true"]{display:none}.reply-context-text{font-weight:500}.reply-context-cancel{background:rgba(255,255,255,0.2);border:none;color:var(--text-inverse);padding:4px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:var(--font-size-xs);font-weight:600;transition:background var(--transition-fast)}.reply-context-cancel:hover{background:rgba(255,255,255,0.3)}.form-response{margin-top:var(--spacing-md)}.comment-list-container{margin-top:var(--spacing-2xl)}.comment-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.comment-list-empty{padding:var(--spacing-3xl) var(--spacing-lg)}.comment-list-empty .empty-state{text-align:center;padding:var(--spacing-3xl) var(--spacing-lg);background:var(--bg-secondary);border-radius:var(--radius-lg)}.comment-list-empty .empty-state-icon{font-size:4rem;margin-bottom:var(--spacing-lg);opacity:0.5;display:flex;justify-content:center}.comment-list-empty .empty-state-title{font-family:var(--font-heading);font-size:var(--font-size-2xl);margin-bottom:var(--spacing-sm);color:var(--text-primary)}.comment-list-empty .empty-state-text{font-size:var(--font-size-lg);color:var(--text-secondary);margin:0}.comment-thread{display:flex;flex-direction:column;gap:var(--spacing-md)}.comment-item{padding:var(--spacing-lg);background:var(--bg-primary);border:1px solid var(--border-secondary);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.comment-item:hover{border-color:var(--border-primary);box-shadow:var(--shadow-sm)}.comment-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-sm);gap:var(--spacing-md);flex-wrap:wrap}.comment-author{display:flex;align-items:center;gap:var(--spacing-xs)}.comment-author-name{font-weight:600;color:var(--text-primary);font-size:var(--font-size-base)}.comment-author-link{font-weight:600;color:var(--color-primary);text-decoration:none;font-size:var(--font-size-base);transition:color var(--transition-fast)}.comment-author-link:hover{color:var(--button-primary-hover);text-decoration:underline}.comment-timestamp{font-size:var(--font-size-sm);color:var(--text-tertiary)}.comment-body{margin-bottom:var(--spacing-md)}.comment-text{font-size:var(--font-size-base);line-height:var(--line-height-relaxed);color:var(--text-primary);margin:0;word-wrap:break-word;word-break:break-word}.comment-actions{display:flex;gap:var(--spacing-md);align-items:center}.comment-reply-btn{background:none;border:none;color:var(--color-primary);font-size:var(--font-size-sm);font-weight:600;cursor:pointer;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);transition:background var(--transition-fast),color var(--transition-fast)}.comment-reply-btn:hover{background:var(--bg-secondary);color:var(--button-primary-hover)}.comment-reply-btn:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}.comment-reply-form-container{margin-top:var(--spacing-lg);padding:var(--spacing-md);background:var(--bg-secondary);border-radius:var(--radius-md);border:2px dashed var(--border-primary)}.comment-reply-form-container[data-hidden="true"]{display:none}.comment-replies{margin-top:var(--spacing-lg);margin-left:var(--spacing-2xl);padding-left:var(--spacing-lg);border-left:2px solid var(--border-secondary);display:flex;flex-direction:column;gap:var(--spacing-lg)}.comment-replies--nested{margin-left:var(--spacing-xl);padding-left:var(--spacing-md);border-left:2px solid var(--border-tertiary)}.comment-item[data-reply-depth="1"]{background:var(--bg-secondary)}.comment-item[data-reply-depth="2"]{background:var(--bg-tertiary)}.comment-item[data-reply-depth="3"]{background:var(--bg-tertiary);border-left:3px solid var(--color-primary)}.alert{padding:var(--spacing-md);border-radius:var(--radius-md);font-size:var(--font-size-base);margin-bottom:var(--spacing-lg);border:1px solid transparent}.alert--success{background:rgba(39,174,96,0.1);border-color:var(--color-success);color:var(--color-success)}.alert--error{background:rgba(231,76,60,0.1);border-color:var(--color-error);color:var(--color-error)}.alert--info{background:rgba(52,152,219,0.1);border-color:var(--color-info);color:var(--color-info)}.alert strong{font-weight:700;display:block;margin-bottom:4px}@media (max-width:768px){.comment-section{padding:var(--spacing-xl) var(--spacing-sm)}.comment-form-container{padding:var(--spacing-lg)}.comment-form-row{flex-direction:column;gap:var(--spacing-sm)}.comment-form-meta{flex-direction:column;align-items:flex-start;gap:var(--spacing-xs)}.comment-replies{margin-left:var(--spacing-md);padding-left:var(--spacing-sm)}.comment-replies--nested{margin-left:var(--spacing-sm);padding-left:var(--spacing-xs)}.comment-header{flex-direction:column;align-items:flex-start}.comment-form-actions{flex-direction:column}.comment-form-actions .button{width:100%}}