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var(--border-color);justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;display:flex}.ac-stats{gap:16px;display:flex}.ac-stat-item{color:var(--text-secondary);align-items:center;gap:6px;font-size:.85rem;display:flex}.ac-stat-item.not-helpful{opacity:.7}.ac-read-more{color:var(--primary);opacity:0;font-size:.9rem;font-weight:500;transition:all .3s;transform:translate(-10px)}.article-card:hover .ac-read-more{opacity:1;transform:translate(0)}.category-page{max-width:1100px;margin:0 auto}.cat-info-panel{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:24px 0 40px;display:grid}.cat-header{margin-bottom:40px}.cat-title-row{align-items:center;gap:16px;margin-bottom:12px;display:flex}.back-link{width:40px;height:40px;color:var(--text-secondary);background-color:var(--item-hover);border-radius:50%;justify-content:center;align-items:center;transition:all 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var(--border-color);margin-bottom:32px;padding-bottom:24px}.art-title-mini{color:var(--text-primary);margin-bottom:8px;font-size:1.75rem;font-weight:700}.art-summary-mini{color:var(--text-secondary);font-size:1.1rem}.art-body-mini{color:var(--text-primary);line-height:1.7}.art-body-mini h2{margin-top:32px;margin-bottom:16px;font-size:1.5rem}.art-body-mini h3{margin-top:24px;margin-bottom:12px;font-size:1.25rem}.art-intro h2,.art-outro h2{color:var(--primary);border-left:4px solid var(--primary);padding-left:16px}.art-related-inline{border-top:2px solid var(--border-color);margin-top:48px;padding-top:32px}.art-related-grid-inline{flex-direction:column;gap:12px;display:flex}.art-related-card:hover{border-color:var(--primary);background-color:var(--primary-light);transform:translate(4px)}.arc-arrow{color:var(--primary);flex-shrink:0}.article-page{max-width:1100px;margin:0 auto}.art-header{margin-bottom:40px;position:relative}.art-back-link{position:absolute;top:0;left:-60px}.art-meta{color:var(--text-secondary);align-items:center;gap:16px;margin-bottom:16px;font-size:.85rem;display:flex}.art-badge{background-color:var(--primary-light);color:var(--primary);border-radius:20px;align-items:center;gap:6px;padding:4px 10px;font-weight:500;display:flex}[data-theme=dark] .art-badge{background-color:var(--primary-light)}.art-time{align-items:center;gap:6px;display:flex}.art-title{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:16px;font-size:2.5rem;font-weight:700;line-height:1.2}.art-summary{color:var(--text-secondary);font-size:1.25rem;line-height:1.5}.cat-info-panel{flex-direction:column;gap:12px;margin-bottom:40px;display:flex}.cat-info-card{background:var(--glass-bg,#ffffff0a);border:1px solid var(--border-color,#ffffff14);border-radius:12px;padding:16px;transition:transform .2s,box-shadow 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48px;overflow:hidden;box-shadow:0 10px 30px #0000001a}.video-aspect-ratio{height:0;padding-bottom:56.25%;position:relative}.video-aspect-ratio iframe{border:0;width:100%;height:100%;position:absolute;top:0;left:0}.art-content{border-radius:var(--radius);color:var(--text-primary);margin-bottom:40px;padding:40px;font-size:1.05rem;line-height:1.7}.art-content h2{color:var(--text-primary);margin-top:32px;margin-bottom:16px;font-size:1.75rem}.art-content h3{color:var(--text-primary);margin-top:24px;margin-bottom:12px;font-size:1.35rem}.art-content p{margin-bottom:16px}.art-content ul{margin-bottom:24px;padding-left:24px}.art-content li{margin-bottom:8px}.art-content strong{color:var(--text-primary);font-weight:600}.article-img{border:1px solid var(--border-color);border-radius:12px;max-width:100%;margin:24px 0;display:block;box-shadow:0 10px 30px #0000001a}.art-step{border-bottom:1px dashed var(--border-color);margin-bottom:60px;padding-bottom:32px}.art-step:last-of-type{border-bottom:none}.art-step h3{color:var(--primary);margin-bottom:16px;font-size:1.5rem;font-weight:700}.art-intro,.art-outro{margin-bottom:40px}.art-intro h2,.art-outro h2{color:var(--primary);border-left:4px solid var(--primary);margin-bottom:24px;padding-left:16px}.art-feedback{border-radius:var(--radius);text-align:center;padding:32px}.feedback-title{color:var(--text-primary);margin-bottom:24px;font-size:1.25rem}.feedback-actions{justify-content:center;gap:16px;display:flex}.feedback-btn{border:1px solid var(--border-color);border-radius:24px;align-items:center;gap:8px;padding:10px 24px;font-weight:500;transition:all .2s;display:flex}.feedback-btn:not(:disabled):hover{background-color:var(--item-hover);border-color:var(--text-secondary)}.feedback-btn.active{background-color:var(--primary-light);border-color:var(--primary);color:var(--primary)}.feedback-thanks{color:var(--primary);background-color:var(--primary-light);border-radius:8px;margin-top:24px;padding:12px;font-weight:500}@media (width<=768px){.art-back-link{margin-bottom:16px;position:static}.art-title{font-size:2rem}.art-summary{font-size:1.1rem}.art-content{padding:24px}}.empty-content{text-align:center;background-color:var(--item-hover);border:1px dashed var(--border-color);color:var(--text-secondary);border-radius:8px;padding:40px}.art-related{border-radius:var(--radius);margin-bottom:32px;padding:32px}.art-related-header{color:var(--primary);align-items:center;gap:10px;margin-bottom:8px;display:flex}.art-related-header h3{color:var(--text-primary);margin:0;font-size:1.25rem;font-weight:700}.art-related-desc{color:var(--text-secondary);margin-bottom:20px;font-size:.95rem}.art-related-grid{flex-direction:column;gap:12px;display:flex}.art-related-card{border:1px solid var(--border-color);background-color:var(--card-hover);border-radius:10px;justify-content:space-between;align-items:center;gap:16px;padding:16px 20px;text-decoration:none;transition:all .25s;display:flex}.art-related-card:hover{border-color:var(--primary);background-color:var(--primary-light);box-shadow:var(--shadow-sm);transform:translate(4px)}.arc-text{flex-direction:column;flex:1;gap:4px;display:flex}.arc-title{color:var(--text-primary);font-size:1rem;font-weight:600}.arc-summary{color:var(--text-secondary);font-size:.875rem;line-height:1.4}.arc-arrow{color:var(--primary);flex-shrink:0;transition:transform .2s}.art-related-card:hover .arc-arrow{transform:translate(4px)}@media (width<=768px){.art-related{padding:20px}.art-related-card{padding:14px 16px}}