:root {
  /* 颜色系统 *//*无需理会报错，代码是可以正确运行 */

--mewx1:#EDEDED;
--mewx2:#F7F7F7;

--mebai:#FFFFFF;

--mehei1:#1A1C21;
--mehei2:#333740;
--mehei3:#4D525E;
--mehei4:#A1A4AA;
--mehei5:#F0F1F3;
--mehei6:#F6F8FA;

--mezhu1:#4659A8;
--mezhu2:#5E73D1;
--mezhu3:#7D8FF0;
--mezhu4:#A4B4F8;
--mezhu5:#E1E9FF;
--mezhu6:#F8FAFF;

--meci1:#427A69;
--meci2:#5E998A;
--meci3:#6EAD9E;
--meci4:#9ED1C6;
--meci5:#DEF0EA;
--meci6:#F3FAF6;

--mete1:#C92626;
--mete2:#E85555;
--mete3:#F78080;
--mete4:#FFB3B3;
--mete5:#FED5D5;
--mete6:#FFF9F9;

--mefu1:#7A5796;
--mefu2:#8B65A8;
--mefu3:#AF87CC;
--mefu4:#D1B8E3;
--mefu5:#E9DDF2;
--mefu6:#FBF8FF;

--mebu1:#D49D3A;
--mebu2:#E6B25C;
--mebu3:#F2C97C;
--mebu4:#F9DFA6;
--mebu5:#FEF2D8;
--mebu6:#FFFCF2;


}


.pt-10 {padding-top: 2.5rem;}

/*全局通用：隐藏所有滚动条*/
  html, body {
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  html::-webkit-scrollbar, 
  body::-webkit-scrollbar {
    display: none;
  }
/*全局通用：隐藏所有滚动条*/ 
/*全局通用返回顶部按钮样式*/
.back-to-top {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 40px;
  height: 40px;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 25px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  border: none;
  backdrop-filter: blur(4px);border: 2px solid  var(--mete1);
  background: var(--meci1);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--mezhu1);
  transform: translateY(0px);
}

.back-to-top i {
  font-size: 24px;
  line-height: 1;
}
/*全局通用返回顶部按钮样式*/

    .bg-layer {
        width: 100%;
        top: 0px;
        left: 0px;
        z-index: -9;
        height: 100%;
        border-radius: 0px;
        position: fixed;
        display: flex;
        align-items: center;
        justify-content: center;
        box-sizing: border-box;
        background-image: url("/img/backdiv01-pc.png");
        margin: 0;
    }