diff --git a/Merge/front/src/style/UploadPage.css b/Merge/front/src/style/UploadPage.css
index 138b0c1..70a9aea 100644
--- a/Merge/front/src/style/UploadPage.css
+++ b/Merge/front/src/style/UploadPage.css
@@ -68,3 +68,216 @@
 .upload-table th {
   background: #f5f5f5;
 }
+
+/* 文件预览区域 */
+.file-preview-area {
+  background: #fff;
+  border-radius: 8px;
+  padding: 20px;
+  margin-bottom: 40px;
+  border: 1px solid #e8eaed;
+}
+
+.preview-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 16px;
+}
+
+.preview-title {
+  font-size: 16px;
+  color: #333;
+  margin: 0;
+  font-weight: 500;
+}
+
+.clear-files-btn {
+  background: #ff4757;
+  color: white;
+  padding: 6px 12px;
+  border: none;
+  border-radius: 4px;
+  font-size: 12px;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.clear-files-btn:hover {
+  background: #ff3742;
+}
+
+.file-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
+  gap: 16px;
+}
+
+.file-item {
+  position: relative;
+  background: #fff;
+  border: 1px solid #e8eaed;
+  border-radius: 8px;
+  padding: 12px;
+  text-align: center;
+  transition: all 0.2s;
+}
+
+.file-item:hover {
+  border-color: #1890ff;
+  box-shadow: 0 2px 8px rgba(24, 144, 255, 0.1);
+}
+
+.file-item:hover .remove-file-btn {
+  opacity: 1;
+}
+
+.remove-file-btn {
+  position: absolute;
+  top: 4px;
+  right: 4px;
+  background: rgba(255, 71, 87, 0.8);
+  color: white;
+  border: none;
+  border-radius: 50%;
+  width: 20px;
+  height: 20px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 14px;
+  font-weight: bold;
+  opacity: 0;
+  transition: all 0.2s;
+  cursor: pointer;
+}
+
+.file-thumbnail {
+  width: 80px;
+  height: 80px;
+  border-radius: 6px;
+  overflow: hidden;
+  margin: 0 auto 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: #f8f9fa;
+  position: relative;
+}
+
+.file-thumbnail img,
+.file-thumbnail video {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.video-thumbnail {
+  color: #666;
+  position: relative;
+}
+
+.video-overlay {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  background: rgba(0, 0, 0, 0.6);
+  border-radius: 50%;
+  width: 32px;
+  height: 32px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: white;
+  pointer-events: none;
+}
+
+.file-info {
+  text-align: center;
+  width: 100%;
+}
+
+.file-name {
+  font-size: 12px;
+  color: #333;
+  margin-bottom: 4px;
+  font-weight: 500;
+  word-break: break-all;
+}
+
+.file-size {
+  font-size: 11px;
+  color: #999;
+}
+
+/* 进度条 */
+.progress-container {
+  margin-top: 20px;
+  width: 100%;
+  max-width: 400px;
+}
+
+.progress-bar {
+  width: 100%;
+  height: 8px;
+  background-color: #f0f0f0;
+  border-radius: 4px;
+  overflow: hidden;
+  margin-bottom: 8px;
+}
+
+.progress-fill {
+  height: 100%;
+  background: linear-gradient(90deg, #1890ff, #40a9ff);
+  transition: width 0.3s ease;
+}
+
+.progress-text {
+  text-align: center;
+  font-size: 12px;
+  color: #666;
+}
+
+/* 上传信息区域 */
+.upload-info {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+  gap: 20px;
+  margin-top: 40px;
+}
+
+.info-item {
+  background: #f8f9fa;
+  padding: 16px;
+  border-radius: 8px;
+  text-align: center;
+}
+
+.info-title {
+  font-size: 14px;
+  color: #333;
+  margin-bottom: 8px;
+  font-weight: 500;
+}
+
+.info-desc {
+  font-size: 12px;
+  color: #666;
+  margin: 0;
+}
+
+.fade-in {
+  animation: fadeIn 0.5s ease-in;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+    transform: translateY(10px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}