/* 公共样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  list-style: none;
}
body html {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.boss {
  width: 100%;
  height: 100%;
}
/*适配1倍率---------------------------------------------------------------------------------------*/
@media screen and (min-width: 1px) {
  .top {
    width: 100%;
    height: 100px;
    background: url(../img/top.png) no-repeat;
    background-size: 100% 100px;
    overflow: hidden;
    position: fixed;
    top: 0;
    z-index: 9999;
  }
  .top-btn {
    width: 115px;
    height: 25px;
    margin-top: 56px;
    margin-left: 173px;
  }
  .top-btn a {
    display: block;
    width: 100%;
    height: 100%;
  }
  .bottom {
    width: 100%;
    height: 3000px;
    background: url(../img/bottom.png) no-repeat;
    background-size: 100% 3000px;
    position: relative;
    margin-top: 100px;
  }
  .bottom-btn {
    width: 290px;
    height: 55px;
    position: absolute;
    bottom: 40px;
    left: 40px;
  }
  .bottom-btn a {
    display: block;
    width: 100%;
    height: 100%;
  }
}
/*适配2倍率---------------------------------------------------------------------------------------*/
@media screen and (min-width: 600px) and (max-width: 768px) {
  .top {
    width: 100%;
    height: 200px;
    background: url(../img/top.png) no-repeat;
    background-size: 100% 200px;
    overflow: hidden;
    position: fixed;
    top: 0;
    z-index: 9999;
  }
  .top-btn {
    width: 230px;
    height: 50px;
    margin-top: 112px;
    margin-left: 356px;
  }
  .top-btn a {
    display: block;
    width: 100%;
    height: 100%;
  }
  .bottom {
    width: 100%;
    height: 6000px;
    background: url(../img/bottom.png) no-repeat;
    background-size: 100% 6000px;
    position: relative;
    margin-top: 200px;
  }
  .bottom-btn {
    width: 600px;
    height: 110px;
    position: absolute;
    bottom: 80px;
    left: 80px;
  }
  .bottom-btn a {
    display: block;
    width: 100%;
    height: 100%;
  }
}
/*适配3倍率--------------------------------------------------------------------------------------------*/
@media screen and (min-width: 769px) {
  .top {
    width: 100%;
    height: 400px;
    background: url(../img/top.png) no-repeat;
    background-size: 100% 400px;
    overflow: hidden;
    position: fixed;
    top: 0;
    z-index: 9999;
  }
  .top-btn {
    width: 314px;
    height: 100px;
    margin-top: 224px;
    margin-left: 470px;
  }
  .top-btn a {
    display: block;
    width: 100%;
    height: 100%;
  }
  .bottom {
    width: 100%;
    height: 9000px;
    background: url(../img/bottom.png) no-repeat;
    background-size: 100% 9000px;
    position: relative;
    margin-top: 400px;
  }
  .bottom-btn {
    width: 790px;
    height: 175px;
    position: absolute;
    bottom: 110px;
    left: 110px;
  }
  .bottom-btn a {
    display: block;
    width: 100%;
    height: 100%;
  }
}