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transparent}.related-docs-scroll::-webkit-scrollbar{height:4px}.related-docs-scroll::-webkit-scrollbar-track{background:transparent}.related-docs-scroll::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:2px}.related-doc-card{flex:0 0 260px;border:1px solid var(--color-border);border-radius:12px;padding:20px 18px;text-decoration:none;transition:border-color .15s,box-shadow .15s;background:#fff;position:relative}.related-doc-card:hover{border-color:var(--color-accent);box-shadow:0 4px 16px rgba(45,182,111,.08)}.related-doc-card h3{font-size:15px;font-weight:700;color:var(--color-dark);margin:0 0 6px;padding-right:70px;line-height:1.4}.related-doc-card p{font-size:13px;line-height:1.5;color:var(--color-text-secondary);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}@media (max-width:640px){.related-doc-card{flex:0 0 220px}.pages-grid{grid-template-columns:1fr}}.not-found{background:var(--color-bg-light);min-height:60vh;display:flex;align-items:center;justify-content:center}.not-found-inner{text-align:center;padding:60px 24px}.not-found-inner h1{font-size:96px;font-weight:800;color:var(--color-border-input);margin:0 0 8px;line-height:1}.not-found-inner p{font-size:20px;color:var(--color-text-secondary);margin:0 0 28px}.not-found-link{display:inline-block;background:var(--color-accent);color:#fff;padding:12px 24px;border-radius:9px;font-size:15px;font-weight:600;text-decoration:none}.not-found-link:hover{background:var(--color-accent-hover)}.scroll-to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--color-dark);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(26,43,74,.25);z-index:500;transition:background .15s,transform .15s}.scroll-to-top:hover{background:var(--color-accent);transform:translateY(-2px)}@media (max-width:640px){.scroll-to-top{right:16px;bottom:16px;width:42px;height:42px}}