/* 头部图片 */
.contact-us_header {
   width: 100vw;
   object-fit: contain; /* 或者 use 'contain' 根据需要 */
}


.contact-us-banner {
   width: 1200px;
   max-width: 100%;
   margin: 0 auto;
}

.contact-us-content {
   display: flex;
   margin-bottom: 10%;
}

.contact-us-banner-left {
   width: 50%;
}

.contact-us-banner-right {
   width: 50%;

}

.rounded-border {
   width: 400px;
   /* 宽度 */
   height: 200px;
   /* 高度 */
   border-radius: 10px;
   /* 圆角大小 */
   /* background: #377aee; */
   margin: 50px 0 0 50px;
}

.rounded-border-img {
   margin: 20px 34px;
}

.rounded-border-text1 {
   position: absolute;
   top: 46px;
   left: 161px;
   font-size: 20px;
}

.rounded-border-text2 {
   position: absolute;
   top: 72px;
   left: 40px;
   font-size: 60px;
   font-weight: 1;
   color: rgba(255, 255, 255, 0.3);
   /* 半透明的文字颜色 */
}

.right-title {
   margin-top: 55px;
   color: black;
   font-size: 20px;
   font-weight: bold;
   border-bottom: #576276 1px dashed;
   /* 或者使用700 */
}

.right-content {
   margin-top: -5px;
   color: black;
   font-size: 15px;
   line-height: 2.0;
   /* 设置行高为字体大小的1.5倍 */
}

.right-dotted {
   width: 300px;
   height: 50px;
   padding-top: 30px;
   border-bottom: 1px dotted lightgray;
}

.left_content-text1 {
   margin: 0 0 0 60px;
   color: black;
   font-weight: bold;
}

.left_content-text2 {
   margin: -56px 0 0 200px;
   color: black;
   font-size: 15px;
}

.left_hr {
   width: 400px;
   /* 宽度 */
   margin: 0 0 0 50px;
   color: rgba(255, 255, 255, 0.402);
   /* 半透明的文字颜色 */

}
.return-top{
   height: 100px;
   width: 100px;
  /* background-color: green; */
  position: fixed;
  right: 150px;
  bottom:150px;
  display: none; /* 默认隐藏 */
}