*{
    padding: 0;
    border: 0;
    margin: 0;
}
a[href]{
    text-decoration: none;
}
#app {
    margin: 0 auto;
}
.header{
    width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
    height: 36px;
    display: flex;
    align-items: center;
}
.logo{
    width: 140px;
}
.logo img{
    height: 28px;
    line-height: 28px;
    vertical-align: middle;
}
.navmenu{
    flex: 1;
    text-align: center;
    line-height: 36px;
}
.navmenu a{
    margin: 0 20px;
    font-size: 16px;
    color: black;
}
.btnarea{
    width: 300px;
    text-align: right;
}
.button,.nolinkbutton{
    display: inline-block;
    width: 120px;
    text-align: center;
    line-height: 36px;
    color: #fff;
    border-radius: 18px;
    background-color: black;
    font-size: 16px;
    cursor: pointer;
}
.nolinkbutton.default{
  background-color: #fff;
  color: #333;
  border: 1px solid #333;
  margin-right: 10px;
}
.button.big{
    width: 220px;
    line-height: 48px;
    border-radius: 24px;
    font-size: 20px;
}

.main{
    background: url(imgs/background.webp);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover; 
}
.main .content{
    width: 1200px;
    margin: 0 auto;
    text-align: center;
}
.main .showPic{
    width: 1080px;
    padding: 80px 0 120px 0;
    margin: 0 auto;
}
.main .showPic img{
    width: 100%;
}
.main .title{
    padding: 100px 0 60px 0;
}
.main .title .maintitle{
    font-size: 36px;
    font-weight: bold;
    line-height: 42px;
    display: block;
    margin-bottom: 10px;
}
.main .title .subtitle{
    font-size: 18px;
    line-height: 36px;
    display: block;
}
.main .title .animation{
    height: 100px;
    overflow: hidden;
}
.main .title .animation span{
    line-height: 100px;
    height: 100px;
    font-size: 32px;
    font-weight: bold;
    background-image: url(./imgs/gradient.jpg);
    -webkit-text-fill-color: transparent;
    -webkit-background-clip: text;
    background-repeat: no-repeat;
    background-size: center center;
    background-size: cover;
    color: #fff;
    display: inline-block;
}
.main .title span{
    font-size: 16px;
    line-height: 42px;
    display: block;
}
.main .btnarea{
    text-align: center;
}

.section{
    width: 1200px;
    margin: 0 auto;
    padding: 120px 0;
    display: flex;
}
.section .leftpart{
    flex: 1;
}
.section .rightpart{
    flex: 1;
}
.section .leftpart.desc{
    margin-right: 80px;
}.section .rightpart.desc{
    margin-left: 80px;
}
.section .desc h2{
    font-size: 32px;
    line-height: 1.56em;
    margin-bottom: 48px;
    color: #121213;
}
.section .desc b{
    font-size: 22px;
    line-height: 1.45em;
    margin-bottom: 8px;
    color: #121213;
}
.section .desc p{
    font-size: 16px;
    margin-bottom: 32px;
    line-height: 1.75em;
    color: #6c6c73;
}
.section .showpic {
    padding: 0 10px;
    box-sizing: border-box;
}
.section .showpic img{
    width: 100%;
}

.footer{
    background-color: #121213;
    color: #fff;
    padding: 66px 0;
}
.footer .content{
    width: 1200px;
    margin: 0 auto;
}
.footer .logo{
    /* background-color: #fff; */
    margin-bottom: 32px;
}
.footer .powerby{
    display: flex;
    align-items: center;
    font-size: 14px;
}
.footer .powerby a {
    width: 80px;
    margin-right: 10px;
}
.footer .powerby a img{
    width: 100%;
    vertical-align: middle;
}
.footer .powerby span{
    margin-right: 10px;
}
.footer .beian{
    margin-top: 14px;
    font-size: 14px;
}
.footer .beian a{
    color: #fff;
}


.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
}
.popup {
  width: 360px;
  background-color: #fff;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  text-align: center;
}
.popup .tbar{
  display: flex;
  margin-bottom: 20px;
}
.popup .tbar a{
  flex:1;
  text-align: left;
  font-weight: bold;
  font-size: 16px;
}
.popup .tbar a{
  flex:1;
}
.popup .pic img{
  width: 100%;
}
.close-btn {
  cursor: pointer;
  color: #007BFF;
  font-weight: bold;
  text-decoration: underline;
}

@media screen and (max-width: 1200px) {
  #app{
    /* background-color: red; */
  }
  .header{
      width: 100%;
  }
  .logo{
    padding-left: 10px;
  }
  .btnarea{
    padding-right: 10px;
  }
  .main .content{
      width: 100%;
  }
  .main .showPic{
      width: 90%;
      padding: 80px 0 120px 0;
  }
  .section{
      width: 100%;
  }
  .footer .content{
      width: 100%;
  }
  .section .leftpart.desc{
      margin-left: 10px;
  }
  .section .rightpart.desc{
      margin-right: 10px;
  }
  .footer .powerby{
    padding-left: 10px;
  }
  .footer .beian{
    padding-left: 10px;
  }
}

@media screen and (max-width: 1024px) {
  #app{
    /* background-color: red; */
  }
  .header{
      width: 100%;
  }
  .logo{
    padding-left: 20px;
  }
  .btnarea{
    padding-right: 20px;
  }
  .btnarea{
      width: 300px;
  }
  .button,.nolinkbutton{
      display: inline-block;
      width: 100px;
      line-height: 36px;
      border-radius: 18px;
      font-size: 16px;
  }
  .main .content{
      width: 90%;
  }
  .main .showPic{
      width: 90%;
      padding: 40px 0 60px 0;
  }
  .section{
      width: 90%;
      padding: 36px 0;
      display: block;
      position: relative;
  }
  .section .showpic {
    width: 160px;
    position: absolute;
    top: 0;
    left: 0;
  }
  .section .desc{
    padding-top: 100px;
  }
  .section .desc h2{
    font-size: 26px;
    line-height: 1.56em;
    margin-bottom: 48px;
  }
  .section .desc b{
    font-size: 18px;
    line-height: 1.45em;
    margin-bottom: 8px;
  }
  .section .desc p{
    font-size: 14px;
    margin-bottom: 32px;
    line-height: 1.75em;
  }
  .section .leftpart.desc{
      margin: 10px;
  }
  .section .rightpart.desc{
      margin: 10px;
  }
  .footer .content{
      width: 90%;
  }
  .footer .powerby{
    display: block;
  }
  .footer .powerby a {
    width: 80px;
    margin-right: 10px;
    margin-top: 10px;
    display: inline-block;
  }
  .popup {
    width: 76%;
  }
}