/* 预览图 */
.preview-img {
  display: none;
  text-align: center;
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.5);
}

/* 容器 */
.preview-img .container {
  max-width: 90%;
  position: absolute;
  padding: 15px;
  border-radius: 5px;
}

/* 大图显示 */
.preview-img .container img {
  max-width: 100%;
  background-size: contain/cover;
}

/* 关闭按钮 */
.preview-img .container a {
  display: inline-block;
  width: 36px;
  height: 36px;
  text-decoration: none;
  position: absolute;
  right: -42px;
  top: -30px;
  background: url("../image/qx.svg") no-repeat;
  background-size: cover;
}