* {
    padding: 0;
    margin: 0;
    text-decoration: none;
    list-style: none;
    font-family: -apple-system,HarmonyOS_Regular,HarmonyOS_Medium,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji!important;
}
a,a:link,a:visited,a:hover,a:active{
    text-decoration: none;
    color:inherit;
}

body {
    background-color: rgb(239, 241, 245);
    
}
.header{
    display: flex;
    background-color: rgb(0, 0, 0);
    height: 220px;
    justify-content: center;
    align-items: center;
}
.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.logo img{
    height: 120px;
}
.jieshao{
    display: flex;
    height: 100px;
    justify-content: center;
    align-items: center;
    color: rgb(148, 127, 32);
    font-size: 18px;
}
.jieshao a{
    height: 40px;
    display: flex;
    width: 1000px;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid rgb(214, 218, 224);
    padding-bottom: 15px;
}
.neirong{
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 380px;
}
.ruanjian{
    display: flex;
    width: 1000px;
    height: auto;

}
.sidebar{
    display: flex;
    flex-direction: column;
    width: 130px;

 
}
.mulu{
    display: flex;
    margin: 10px;
    padding: 5px;
    justify-content: center;
    align-items: center;
    background-color: rgb(239, 241, 245);
    border-radius: 5px;
}
.mulu a{
    color: rgba(0, 0, 0,0.9);
    font-size: 15px;
    font-weight: 500;
    
}
.xiazai{
    display: block;
    width: 1030px;
    flex-wrap: wrap;
    margin-left: 20px;
    margin-top: 10px;
    background-color: white;
    padding: 15px;
}
.sw-title{
    cursor: pointer;
    display: flex;
    height: 55px;
    align-items: center;
    font-size: 22px;
    font-weight: 500;
    margin-bottom: 15px;
    border-bottom: 1px solid rgb(224, 228, 233);
}
.sw-item img{
  width: 800px;
}
.sw-title span {
    display: flex;
    align-items: center;
}

.down-arrow {
    align-self: center;
    cursor: pointer;
    display: inline-block;
    margin: 0 -8px 0 0;
    vertical-align: middle;
    transition: .1s linear;
}
.cursor{
    cursor: pointer;
}
i.iconfont {
    font-size: 18px; 
    font-weight: bold;
}
.sw-item{
    display: flex;
    flex-wrap: wrap;
}
.dlink {
    display: flex;
    width: 50%;
  }
.link{
    display: flex;
    margin: 10px;
    width: 400px;
    height: 50px;
    align-items: center;
    background-color: rgba(247, 247, 247, 0.822);
    border-radius: 8px;
    transition: background-color 1s;
    cursor: pointer;
  
}
.link:hover {
    background-color: #ffe59d; /* 设置鼠标悬停时的背景颜色 */
}
.link a{
    width: 500px;
    
    font-size: 18px;
    margin: 5px;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.9);
}

.ad {
  position: absolute;
  top: 330px;  
  margin-left: 1020px;

}
.ad img {
  position: relative;
  width: 380px;
}

.ad-text {
  display: block;
  font-size: 13px;
}


.bottom-right {
  display: block;
  width: 40px;
  position: fixed;
  right: 5px;
  bottom: 80px;
  right: 20px;
}
.tooltip{
  height: 45px;
}
.icon-wechat{
  border-bottom: 1px solid #cecece; /* 在.icon-wechat下方添加一条线 */
}
.bottom-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative; /* 设置为relative以便内部的absolute元素可以相对于这个元素定位 */
}
.tooltip{
  cursor: pointer;  /* 当鼠标悬停在图标上时，光标变为手掌形状 */
}

.icon-link .icon img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%); /* 使用transform来确保元素完全居中 */
}

.tooltip{
  background-color: #fff;
}

.icon img {
  width: 20px;  /* 设置图标的宽度 */
}
/* 默认情况下，隐藏二维码 */
.parent-element {
  position: relative; /* 设置为relative以便内部的absolute元素可以相对于这个元素定位 */
}

.parent-element:hover .qrcode {
  visibility: visible;  /* 当鼠标悬停在父元素上时，二维码变为可见 */
  opacity: 1;  /* 当鼠标悬停在父元素上时，二维码变为不透明 */
}

.qrcode {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #b8b8b8;
  margin-right: 10px; /* 设置离右边图标的距离 */
  position: absolute;
  right: 100%; /* 这会将二维码图片放在元素的左边 */
  visibility: hidden;  /* 默认情况下，二维码是隐藏的 */
  opacity: 0;  /* 默认情况下，二维码是透明的 */
  transition: visibility 0.5s, opacity 0.5s linear;  /* 这会在0.5秒内改变二维码的可见性和透明度 */
}
.qrcode img{
  width: 180px;
}
.icon-wechat:hover .qrcode,
.icon-appreciation:hover .qrcode {
  visibility: visible;  /* 当鼠标悬停在图标上时，二维码变为可见 */
  opacity: 1;  /* 当鼠标悬停在图标上时，二维码变为不透明 */
}

.qrcode img{
  margin: 10px;
}
/* 当鼠标悬停在图标上时，显示二维码 */
.icon-wechat:hover .qrcode,
.icon-appreciation:hover .qrcode {
  display: block;
}
/* 默认情况下，隐藏文字和二维码 */
.icon-link .text {
  display: none;
}

/* 默认情况下，显示图标 */
.icon-link .icon img {
  display: block;
}

/* 当鼠标悬停在图标上时，显示文字和二维码，隐藏图标 */
.icon-wechat:hover .text,
.icon-wechat:hover .qrcode,
.icon-appreciation:hover .text,
.icon-appreciation:hover .qrcode {
  display: block;
}

.icon-wechat:hover .icon img,
.icon-appreciation:hover .icon img {
  display: none;
}
/* 当鼠标悬停在图标上时，显示文字和二维码，隐藏图标 */
.icon-wechat:hover .text,
.icon-appreciation:hover .text {
  display: block;
  font-size: 14px; /* 设置文字大小 */
  color: rgb(42, 172, 177);
  font-weight: bold;
  text-align: center; /* 设置文字居中 */
}




footer {
  color: #969696;
  padding: 35px;
  text-align: center;
}

@media screen and (max-width: 1280px) {
    /* 当屏幕宽度小于等于1280px时应用的样式 */
    .header {
      
      flex-direction: column;
      height: 135px;
    }
    
    .logo img {
      height: 80px;
    }
    
    .jieshao a {
      width: 100%;
    }
    
    .ruanjian {
      width: 100%;
      flex-direction: column;
    }
    
    .sidebar {
      width: auto;
    }
    
    .xiazai {
      width: auto;
      margin-left: 0;
    }
    
    .dlink {
      width: 100%;
    }
    
    .link {
      width: auto;
      margin: 5px;
    }
    
    .link a {
      width: auto;
      font-size: 16px;
    }
    .ruanjian {
        flex-direction: row;
      }
      
      .sidebar {
        width: 120px;
      }
      
      .xiazai {
        width: calc(100% - 140px);
        margin-left: 20px;
      }
      .sidebar {
        width: 80px;
      }
      
      .mulu a {
        font-size: 12px;
      }
      
      .link a {
        font-size: 14px;
      }
      .ad {
        display: none;
      }
  }