.gallery-grid{column-count:4;column-gap:var(--space-4)}.gallery-item{display:flex;flex-direction:column;border:1px solid var(--color-border);background:var(--color-bg);overflow:hidden;transition:border-color var(--duration-fast) var(--ease);break-inside:avoid;margin-bottom:var(--space-4);cursor:zoom-in}.gallery-item:hover{border-color:var(--color-border-strong)}.gallery-item-head{display:flex;justify-content:space-between;align-items:baseline;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border)}.gallery-item-num{font-size:var(--text-xs);font-weight:600;letter-spacing:var(--tracking-wider);color:var(--color-text-muted)}.gallery-item-code{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-soft);letter-spacing:var(--tracking-wide)}.gallery-item-img{width:100%;height:auto;display:block;background:var(--color-surface);transition:opacity var(--duration-fast) var(--ease)}.gallery-item:hover .gallery-item-img{opacity:.88}.gallery-item-foot{padding:var(--space-3) var(--space-4);display:flex;justify-content:space-between;align-items:baseline;gap:var(--space-3);border-top:1px solid var(--color-border)}.gallery-item-caption{font-size:var(--text-sm);color:var(--color-text);line-height:var(--leading-normal)}.gallery-item-theme{flex-shrink:0;font-size:var(--text-xs);letter-spacing:var(--tracking-wider);color:var(--color-text-muted);text-transform:uppercase}@media (max-width: 1024px){.gallery-grid{column-count:2}}@media (max-width: 640px){.gallery-grid{column-count:1}}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#111111eb;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-5);opacity:0;pointer-events:none;transition:opacity var(--duration-normal) var(--ease)}.lightbox--open{opacity:1;pointer-events:auto}.lightbox-close{position:absolute;top:var(--space-4);right:var(--space-5);width:40px;height:40px;font-size:28px;line-height:1;color:var(--color-bg);background:#ffffff14;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;transition:background var(--duration-fast) var(--ease)}.lightbox-close:hover{background:#fff3}.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;font-size:32px;line-height:1;color:var(--color-bg);background:#ffffff14;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;transition:background var(--duration-fast) var(--ease)}.lightbox-nav:hover{background:#fff3}.lightbox-prev{left:var(--space-5)}.lightbox-next{right:var(--space-5)}.lightbox-figure{max-width:min(1200px,92vw);max-height:78vh;display:flex;flex-direction:column;align-items:center;gap:var(--space-3)}.lightbox-img{max-width:100%;max-height:70vh;width:auto;height:auto;object-fit:contain;display:block;box-shadow:0 10px 40px #00000080}.lightbox-caption{display:flex;flex-direction:column;align-items:center;gap:var(--space-1);color:var(--color-bg);text-align:center}.lightbox-caption-title{font-size:var(--text-sm);line-height:var(--leading-normal)}.lightbox-caption-meta{font-family:var(--font-mono);font-size:var(--text-xs);color:#fff9;letter-spacing:var(--tracking-wide)}.lightbox-toolbar{position:absolute;bottom:var(--space-5);left:50%;transform:translate(-50%);display:flex;gap:var(--space-2)}.lightbox-btn{padding:var(--space-2) var(--space-4);font-size:var(--text-xs);letter-spacing:var(--tracking-wide);color:var(--color-text);background:var(--color-bg);border-radius:var(--radius-full);transition:background var(--duration-fast) var(--ease)}.lightbox-btn:hover{background:#fffc}@media (max-width: 640px){.lightbox-nav{width:40px;height:40px;font-size:24px}.lightbox-prev{left:var(--space-3)}.lightbox-next{right:var(--space-3)}.lightbox-caption-title{font-size:var(--text-xs)}}