全新出发

src/pages/ImageWindow.scss

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+.image-window-container {
+    width: 100vw;
+    height: 100vh;
+    background-color: var(--bg-primary);
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+    user-select: none;
+
+    .image-viewport {
+        flex: 1;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        overflow: hidden;
+        position: relative;
+        cursor: grab;
+
+        &:active {
+            cursor: grabbing;
+        }
+
+        .media-wrapper {
+            position: relative;
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            will-change: transform;
+        }
+
+        img,
+        video {
+            display: block;
+            max-width: none;
+            max-height: none;
+            object-fit: contain;
+            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
+            pointer-events: auto;
+        }
+
+        .live-video {
+            position: absolute;
+            top: 0;
+            left: 0;
+            width: 100%;
+            height: 100%;
+            object-fit: fill;
+            pointer-events: none;
+            opacity: 0;
+            will-change: opacity;
+            transition: opacity 0.3s ease-in-out;
+        }
+
+        .live-video.visible {
+            opacity: 1;
+        }
+    }
+}
+
+.image-window-empty {
+    height: 100vh;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: var(--text-secondary);
+    background-color: var(--bg-primary);
+}