:root{color-scheme:dark;--bg: #111318;--bg-elevated: #181b22;--border: #262a33;--text: #e6e8ec;--text-dim: #8b93a1;--accent: #4b8bf5}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}body.is-locked{overflow:hidden}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:#111318eb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.topbar__title{margin:0;font-size:16px;font-weight:600}.topbar__actions{display:flex;align-items:center;gap:12px}.topbar__meta{font-size:12px;color:var(--text-dim)}.topbar__btn{padding:6px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);font-size:12px;cursor:pointer}.topbar__btn:hover{border-color:var(--accent)}.gallery{width:100%;padding:12px 12px 24px}.masonry{display:flex;gap:12px;align-items:flex-start}.masonry__column{flex:1 1 0;min-width:0;display:flex;flex-direction:column;gap:12px}.card{margin:0;border-radius:8px;overflow:hidden;background:var(--bg-elevated);cursor:zoom-in;transition:transform .15s ease,opacity .15s ease}.card:hover{transform:translateY(-2px);opacity:.96}.card__img{display:block;width:100%;min-height:120px;object-fit:cover}.card__broken{display:flex;align-items:center;justify-content:center;height:160px;font-size:12px;color:var(--text-dim)}.sentinel{display:flex;align-items:center;justify-content:center;min-height:72px;padding:16px}.sentinel__text{font-size:13px;color:var(--text-dim)}.sentinel__btn{padding:8px 18px;border-radius:8px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);font-size:13px;cursor:pointer}.sentinel__btn:hover{border-color:var(--accent)}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:48px 16px 64px;background:#000000e6}.lightbox__img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px}.lightbox__bar{position:absolute;right:16px;bottom:0;display:flex;align-items:center;justify-content:flex-end;padding:12px 0 0}.lightbox__close{padding:6px 14px;border-radius:8px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);font-size:13px;text-decoration:none;cursor:pointer}.lightbox__close:hover{border-color:var(--accent)}@media(max-width:560px){.topbar{align-items:flex-start;flex-direction:column}.topbar__actions{width:100%;justify-content:space-between}.gallery{padding:10px 10px 16px}.masonry,.masonry__column{gap:8px}.lightbox__bar{right:10px}}