/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; /* Ensures padding and borders are included in element's total width and height */
}

ul,li{
    list-style: none;

}

a{
    text-decoration: none;
}

 /* 遮罩层样式 */
 .overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: all 0.3s ease-in-out;
  }
  /* 图片容器样式 */
.overlay img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    transition: all 0.3s ease-in-out;
  }
  /* 关闭按钮样式 */
.overlay span {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 30px;
    cursor: pointer;
  }