v1.4 — Photo 详情页画廊

- 灯箱画廊：点击图片全屏查看，多图左右切换
- 单图隐藏左右箭头，边界隐藏对应方向键
- 画廊顶部显示'标题 · 作者'
- 文章导航保留在灯箱底部
- 图片去重（特色图与正文图片不重复）
- 纯黑背景
- 已知限制：画廊内切换文章后灯箱不保持（AJAX 模式未稳定）

style.css

@@ -407,3 +407,84 @@ echo "done"
   border-top: 2px dashed var(--border);
 }
 .photo-detail__meta { border-top: none; padding-top: 0; }
+
+.photo-detail__body img {
+  display: block;
+  width: 100%;
+  height: auto;
+  margin: 20px 0;
+  border-radius: var(--radius);
+}
+.photo-detail__body p {
+  margin: 16px 0;
+  text-align: center;
+  font-style: italic;
+  color: var(--ink-light);
+}
+
+/* 照片灯箱 */
+.photo-lightbox {
+  display: none;
+  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
+  background: #000; 
+  z-index: 9999;
+  justify-content: center; align-items: center;
+}
+.photo-lightbox.active { display: flex; }
+.photo-lightbox__content { max-width: 90vw; max-height: 90vh; }
+.photo-lightbox__content img { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: var(--radius); }
+.photo-lightbox__close { position: absolute; top: 24px; right: 36px; font-size: 42px; color: #fff; cursor: pointer; opacity: 0.8; z-index: 2; }
+.photo-lightbox__close:hover { opacity: 1; }
+.photo-lightbox__counter { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); color: #fff; font-size: 14px; opacity: 0.7; z-index: 2; }
+.photo-lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); font-size: 56px; color: #fff; cursor: pointer; user-select: none; padding: 24px; opacity: 0.7; z-index: 2; }
+.photo-lightbox__nav:hover { opacity: 1; }
+.photo-lightbox__prev { left: 16px; }
+.photo-lightbox__next { right: 16px; }
+
+/* 图片可点击提示 */
+.photo-detail__image { cursor: zoom-in; }
+.photo-detail__body img { cursor: zoom-in; }
+
+
+.photo-lightbox__postnav {
+  position: absolute;
+  bottom: 18px;
+  left: 0; right: 0;
+  display: flex;
+  justify-content: space-between;
+  padding: 0 40px;
+  z-index: 2;
+}
+.photo-lightbox__postnav a {
+  color: rgba(255,255,255,0.6);
+  text-decoration: none;
+  font-size: 14px;
+}
+.photo-lightbox__postnav a:hover { color: #fff; }
+.photo-lightbox__postnav span { color: transparent; }
+.photo-lightbox__counter { bottom: 60px; }
+
+.photo-lightbox__brand {
+  position: absolute;
+  top: 24px;
+  left: 36px;
+  color: rgba(255,255,255,0.25);
+  font-size: 16px;
+  letter-spacing: 0.1em;
+  z-index: 2;
+  font-family: "Noto Serif SC", "STSong", "Songti SC", serif;
+}
+
+.photo-lightbox__info {
+  text-align: center;
+  margin-bottom: 16px;
+}
+.photo-lightbox__photo-title {
+  color: rgba(255,255,255,0.5);
+  font-size: 15px;
+  font-weight: 400;
+  letter-spacing: 0.04em;
+}
+
+
+.photo-lightbox__content img { border-radius: 6px; }