.reading-progress-bar{position:fixed;top:var(--header-height);left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--pelat-primary),var(--pelat-accent));z-index:1001;transition:width .1s linear;pointer-events:none}.article-page{min-height:100vh;padding-bottom:80px}.breadcrumb-nav{padding-top:calc(var(--header-height) + 28px);padding-bottom:var(--space-xxl)}.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-md);list-style:none;padding:0;margin:0;font-size:var(--font-size-xs);color:var(--text-muted)}.breadcrumb-sep{display:flex;align-items:center;color:var(--text-muted);opacity:.5}.breadcrumb-list a{color:var(--text-muted);text-decoration:none;transition:color var(--transition-fast)}.breadcrumb-list a:hover{color:var(--pelat-primary)}.breadcrumb-list li[aria-current=page]{color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:320px}.article-header{max-width:760px;padding-bottom:var(--space-xxl);border-bottom:1px solid var(--border-color);margin-bottom:var(--space-xxl)}.article-category-badge{display:inline-block;padding:4px 12px;background:#7ecbd61f;border:1px solid rgba(126,203,214,.25);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600;color:var(--pelat-primary);letter-spacing:.03em;margin-bottom:var(--space-xl)}.article-title{font-size:clamp(1.625rem,3.5vw,2.75rem);font-weight:800;color:var(--text-primary);line-height:var(--leading-tight);margin-bottom:var(--space-xl)}.article-description{font-size:var(--font-size-lg);color:var(--text-secondary);line-height:var(--leading-relaxed);margin-bottom:var(--space-xl)}.article-meta{display:flex;align-items:center;gap:var(--space-md);flex-wrap:wrap;margin-bottom:var(--space-lg)}.article-reading-time{display:inline-flex;align-items:center;gap:4px;font-size:var(--font-size-xs);color:var(--text-muted)}.article-tags{display:flex;flex-wrap:wrap;gap:var(--space-md)}.article-tag{font-size:var(--font-size-xs);color:var(--text-muted);background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);padding:2px 8px;letter-spacing:.02em;transition:color var(--transition-fast),border-color var(--transition-fast)}.article-hero-image{max-width:760px;width:100%;margin-bottom:var(--space-xxl);border-radius:var(--radius-lg);overflow:hidden}.article-hero-img{width:100%;height:auto;max-height:420px;object-fit:cover;display:block}.article-toc{max-width:760px;margin-bottom:var(--space-xxl)}.article-toc-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:0 0 var(--space-lg);background:transparent;border:none;color:var(--text-secondary);font-size:var(--font-size-sm);font-weight:600;cursor:pointer;transition:color var(--transition-fast);letter-spacing:.02em;text-align:left}.article-toc-toggle-left{display:flex;align-items:center;gap:8px}.article-toc-icon{color:var(--pelat-primary);opacity:.7;flex-shrink:0}.article-toc-badge{font-size:.625rem;font-weight:700;color:var(--pelat-primary);background:#7ecbd61a;border-radius:var(--radius-full);padding:1px 7px;letter-spacing:0;opacity:.8}.article-toc-toggle:hover{color:var(--text-primary)}.article-toc-chevron{flex-shrink:0;transition:transform var(--transition-fast);color:var(--text-muted)}.article-toc-toggle[aria-expanded=true] .article-toc-chevron{transform:rotate(180deg)}.article-toc-content{max-height:0;overflow:hidden;transition:max-height .3s ease}.article-toc-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:0}.article-toc-list li{display:flex;align-items:baseline;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06);transition:background var(--transition-fast)}.article-toc-list li:last-child{border-bottom:none}.article-toc-list li.is-active{background:#7ecbd60f;margin:0 -8px;padding:10px 8px;border-radius:var(--radius-sm)}.article-toc-list li.is-active .article-toc-num{opacity:1}.article-toc-list li.is-active a{color:var(--pelat-primary)}.article-toc-num{font-size:.6875rem;font-weight:700;color:var(--pelat-primary);opacity:.5;min-width:1.25rem;flex-shrink:0;font-variant-numeric:tabular-nums;transition:opacity var(--transition-fast)}.article-toc-list a{font-size:var(--font-size-sm);color:var(--text-secondary);text-decoration:none;line-height:var(--leading-snug);transition:color var(--transition-fast)}.article-toc-list a:hover{color:var(--pelat-primary)}.article-body{max-width:760px;margin-bottom:var(--space-huge)}.article-body p{font-size:1.0625rem;color:#b0bdc8;line-height:1.9;margin-bottom:1.5rem}.article-body h2{font-size:var(--font-size-2xl);font-weight:700;color:var(--text-primary);line-height:var(--leading-snug);margin-top:3.5rem;margin-bottom:1.25rem;padding-left:1rem;border-left:3px solid var(--pelat-primary);scroll-margin-top:calc(var(--header-height) + 24px)}.article-body h3{font-size:var(--font-size-xl);font-weight:700;color:var(--text-primary);line-height:var(--leading-snug);margin-top:2.5rem;margin-bottom:.875rem;scroll-margin-top:calc(var(--header-height) + 24px)}.article-body hr{border:none;height:1px;background:linear-gradient(90deg,transparent,var(--border-hover) 30%,var(--border-hover) 70%,transparent);margin:3rem 0}.article-body ul{padding-left:0;list-style:none;margin-bottom:1.5rem;color:#b0bdc8}.article-body ul li{font-size:1.0625rem;line-height:1.9;margin-bottom:.625rem;padding-left:1.5rem;position:relative}.article-body ul li:before{content:"";position:absolute;left:.375rem;top:.7em;width:5px;height:5px;border-radius:50%;background:var(--pelat-primary);opacity:.7}.article-body ol{padding-left:1.75rem;margin-bottom:1.5rem;color:#b0bdc8}.article-body ol li{font-size:1.0625rem;line-height:1.9;margin-bottom:.625rem}.article-body strong{font-weight:700;color:var(--text-primary)}.article-body blockquote{margin:2rem 0;padding:1rem 1.375rem;background:#7ecbd60d;border-left:4px solid var(--pelat-primary);border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-secondary);font-size:1.0625rem;line-height:1.8}.article-body blockquote p{font-size:1.0625rem;color:var(--text-secondary);margin-bottom:0}.article-body code{font-family:SF Mono,Fira Code,Courier New,monospace;font-size:.9em;background:#7ecbd61a;color:var(--pelat-primary-light);padding:2px 7px;border-radius:var(--radius-xs);border:1px solid rgba(126,203,214,.15)}.article-body img{display:block;max-width:100%;height:auto;border-radius:var(--radius-md);margin:2rem 0}.article-body a{color:var(--pelat-primary-light);text-decoration:underline;text-underline-offset:3px;text-decoration-color:#a8dde559;transition:color var(--transition-fast),text-decoration-color var(--transition-fast)}.article-body a:hover{color:var(--pelat-primary);text-decoration-color:var(--pelat-primary)}.article-share{max-width:760px;display:flex;align-items:center;gap:var(--space-lg);margin-bottom:var(--space-xxl);padding-bottom:var(--space-xxl);border-bottom:1px solid var(--border-color)}.article-share-label{font-size:var(--font-size-xs);color:var(--text-muted);font-weight:500;flex:1}.article-share-buttons{display:flex;gap:var(--space-md);flex-shrink:0}.article-share-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:transparent;color:var(--text-muted);cursor:pointer;text-decoration:none;flex-shrink:0;transition:color var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast)}.article-share-btn-pelat{padding:0;overflow:hidden;border-radius:17.54%;border-color:#7ecbd640}.article-share-pelat-icon{width:100%;height:100%;object-fit:cover;display:block}.article-share-btn:hover{color:var(--pelat-primary);border-color:var(--border-hover);background:#7ecbd60d}.article-share-btn.is-copied{color:var(--pelat-primary);border-color:#7ecbd666;background:#7ecbd614}.article-cta-section,.article-related{max-width:760px;margin-bottom:var(--space-xxl)}.article-related-title{font-size:var(--font-size-xl);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-xl)}.article-related-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xl)}.article-related-card{display:flex;flex-direction:column;gap:var(--space-lg);text-decoration:none;padding:var(--space-lg);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:border-color var(--transition-fast),background var(--transition-fast)}.article-related-card:hover{border-color:var(--border-hover);background:#7ecbd608}.article-related-thumb{width:100%;aspect-ratio:16 / 10;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-tertiary)}.article-related-thumb img{width:100%;height:100%;object-fit:cover}.article-related-body{display:flex;flex-direction:column;gap:var(--space-md)}.article-related-category{font-size:.6875rem;font-weight:600;color:var(--pelat-primary);letter-spacing:.03em}.article-related-heading{font-size:var(--font-size-sm);font-weight:600;color:var(--text-primary);line-height:var(--leading-snug);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--transition-fast)}.article-related-card:hover .article-related-heading{color:var(--pelat-primary)}.article-related-meta{font-size:var(--font-size-xs);color:var(--text-muted)}.article-nav{max-width:760px;margin-bottom:var(--space-xxl)}.article-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xl)}.article-nav-link{display:flex;flex-direction:column;gap:var(--space-md);padding:var(--space-xl);border:1px solid var(--border-color);border-radius:var(--radius-lg);text-decoration:none;transition:border-color var(--transition-fast),background var(--transition-fast)}.article-nav-link:hover{border-color:var(--border-hover);background:#7ecbd608}.article-nav-next{text-align:right;grid-column:2}.article-nav-label{display:inline-flex;align-items:center;gap:4px;font-size:var(--font-size-xs);font-weight:600;color:var(--pelat-primary);letter-spacing:.03em}.article-nav-title{font-size:var(--font-size-sm);color:var(--text-secondary);line-height:var(--leading-snug);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--transition-fast)}.article-nav-link:hover .article-nav-title{color:var(--text-primary)}.article-back{max-width:760px}.article-back-link{display:inline-flex;align-items:center;gap:var(--space-md);font-size:var(--font-size-sm);color:var(--text-muted);text-decoration:none;padding:12px 18px;border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:color var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast)}.article-back-link:hover{color:var(--pelat-primary);border-color:var(--border-hover);background:#7ecbd60d}.scroll-to-top{position:fixed;bottom:32px;right:24px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:#0a0e17e6;border:1px solid var(--border-hover);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;z-index:100;opacity:0;transform:translateY(8px);transition:opacity var(--transition-normal),transform var(--transition-normal),color var(--transition-fast),background var(--transition-fast);pointer-events:none;backdrop-filter:blur(8px)}.scroll-to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}.scroll-to-top:hover{color:var(--pelat-primary);background:#7ecbd61a;border-color:#7ecbd64d}.article-body .tts-example{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.article-body .tts-play-btn{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:32px;height:32px;padding:0;border:1px solid rgba(126,203,214,.25);border-radius:var(--radius-full);background:#7ecbd614;color:var(--pelat-primary);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast),transform .15s ease}.article-body .tts-play-btn:hover{background:#7ecbd626;border-color:#7ecbd666;transform:scale(1.08)}.article-body .tts-play-btn:active{transform:scale(.95)}.article-body .tts-play-btn.is-playing{background:#7ecbd62e;border-color:var(--pelat-primary);color:var(--pelat-primary-light);animation:tts-pulse 1.5s ease-in-out infinite}@keyframes tts-pulse{0%,to{box-shadow:0 0 #7ecbd64d}50%{box-shadow:0 0 0 6px #7ecbd600}}@media(max-width:768px){.article-header,.article-hero-image,.article-toc,.article-body,.article-cta-section,.article-share,.article-related,.article-nav,.article-back{max-width:100%}.desktop-br{display:none}.article-body h2{margin-top:2.5rem}.article-body h3{margin-top:2rem}.article-related-list{grid-template-columns:1fr;gap:var(--space-lg)}.article-related-card{flex-direction:row;align-items:center}.article-related-thumb{width:100px;flex-shrink:0}.article-nav-grid{grid-template-columns:1fr;gap:var(--space-lg)}.article-nav-next{text-align:left;grid-column:1}}@media(max-width:480px){.breadcrumb-list li[aria-current=page]{max-width:150px}}