@media screen and (max-width: 640px) and (min-width: 0px) {
  .bannerbigbox {
    margin-top: 55px;
  }

  section .title {
    display: flex;
    justify-content: space-between;
    padding-bottom: 75px;
    align-items: baseline;
  }

  section .title .left img {
    width: 120px;
  }

  section .title .left h1 {
    font-size: 16px;
    margin-left: -30px;
  }

  .title .right a {
    font-size: 14px !important;
  }

  .title .right a img {
    width: 30px;
  }

  .box2pagination {
    font-size: 14px;
    right: 50px;
  }

  .box2pagination span {
    font-size: 14px;
    right: 50px;
  }

  .box2 .swiper-button-next {
    width: 30px;
    height: 10px;
    background-size: 100% 100%;
  }

  .box3Slide.swiper-slide-active h1 {
    height: 120px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    font-size: 28px;
  }

  .box3Slide.swiper-slide-active p {
    height: 120px;
    font-size: 14px;
    line-height: 1.5;
  }

  .box3 .swiper-button-next,
  .box3 .swiper-button-prev {
    top: 53%;

    width: 45px;
    height: 45px;
  }

  .box3 .swiper-button-next:after,
  .box3 .swiper-button-prev:after {
    color: #c1c1c1;
    font-size: 16px;
  }

  .box3 section .title {
    padding-bottom: 15px;
  }

  .box3 {
    padding-bottom: 120px;
  }

  .box3ySwiper {
    overflow: hidden;
  }

  .box5 .phone .img {
    height: 60px;
    width: 120px;
  }

  .box5 .phone span {
    height: 60px;
    line-height: 1.5;
    width: calc(100% - 120px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 30px;
    font-size: inherit;
  }
}

@media screen and (max-width: 400px) and (min-width: 0px) {}