@keyframes slideIn {
    from {
      transform: translateX(-50%);
      opacity: 0;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }

  #upload {
    max-width: 600px;
    margin: 0 auto; /* 置中整個 upload 區塊 */
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px; /* 多個進度條間距 */
    align-items: center;
  }
    
  /* 上传进度条容器 */
  .upload-progress-container {
    width: 100%;
    background-color: #e0e0e0;
    border-radius: 5px;
    margin: 10px 0;
    height: 20px;
    position: relative;
    overflow: hidden;
    display: none; /* 默认隐藏 */
  }

.upload-progress-container:hover {
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.2);
  }

/* 上传进度条 */
.upload-progress-bar {
  background-color: #4caf50;
  height: 100%;
  width: 0%;
  transition: width 0.4s ease;
  position: absolute; /* 让进度条在容器内绝对定位 */
  top: 0;
  left: 0;
}

.upload-progress-text {
    position: relative;
    z-index: 1; /* 确保文字在进度条上方 */
    color: #000; /* 设置文字颜色 */
    font-size: 14px;
    pointer-events: none; /* 防止文字阻挡鼠标事件 */
    text-align: center;
}
  
/* 文件上传状态显示 */
.upload-status {
  margin: 10px 0;
  padding: 10px;
  border-radius: 5px;
  display: none;
  text-align: center;
}

.upload-success {
  background-color: #dff0d8;
  color: #3c763d;
  border: 1px solid #d6e9c6;
}
.upload-error {
    background-color: #f2dede;
    color: #a94442;
    border: 1px solid #ebccd1;
}