* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.banner {
  position: relative;
  width: 100%;
  height: auto;
  overflow: hidden;
}
.banner .bg {
  width: 100%;
  height: auto;
}

#parameter {
  display: none;
}

/* pc端样式 */
@media all and (min-width: 768px) {
  .max {
    display: block !important;
  }
  .min {
    display: none !important;
  }

  .banner_1 {
    margin-top: 40px;
  }
  .banner_11 .link {
    position: absolute;
    top: 18vw;
    left: 53vw;
    width: 30vw;
    height: 6vw;
    cursor: pointer;
  }
  .banner_12 {
    margin-top: 40px;
  }
}

/* 移动端样式 */
@media all and (max-width: 767px) {
  .max {
    display: none !important;
  }
  .min {
    display: block !important;
  }

  .banner_1 {
    margin-top: 40px;
  }
  .banner_11 .link {
    position: absolute;
    top: 11vw;
    left: 24vw;
    width: 51vw;
    height: 8vw;
    cursor: pointer;
  }
  .banner_12 {
    margin-top: 40px;
  }
}