iter(g02): 新增 image 图片组件

packages/skin/ui/ui.css

@@ -1565,3 +1565,46 @@ button.ua-step-dot:hover {
     transition: none !important;
   }
 }
+
+/* ---- image 图片（缩略图 + 遮罩大图预览） ---- */
+.ua-image {
+  display: inline-block;
+  max-width: 100%;
+  border-radius: var(--ua-radius-md);
+  cursor: zoom-in;
+  transition: transform 0.15s ease, box-shadow 0.15s ease;
+}
+.ua-image:hover,
+.ua-image:focus-visible {
+  transform: translateY(-2px);
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
+  outline: none;
+}
+.ua-image-mask {
+  position: fixed;
+  inset: 0;
+  z-index: 1100;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: rgba(0, 0, 0, 0.6); /* 遮罩透明度叠加，非实体色 */
+  cursor: zoom-out;
+  animation: ua-image-in 0.18s ease;
+}
+.ua-image-full {
+  max-width: 90vw;
+  max-height: 90vh;
+  border-radius: var(--ua-radius-md);
+  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
+}
+@keyframes ua-image-in {
+  from { opacity: 0; transform: scale(0.96); }
+  to { opacity: 1; transform: scale(1); }
+}
+@media (prefers-reduced-motion: reduce) {
+  .ua-image,
+  .ua-image-mask {
+    animation: none !important;
+    transition: none !important;
+  }
+}