@media screen and (min-width: 820px) {
  #certify {
    position: relative;
    width: 1080px;
    margin: 0 auto;
  }
  #certify .swiper-slide {
    width: 540px;
    height: 330px;
    box-shadow: 0 8px 30px #ddd;
  }
  #certify .swiper-slide img {
    display: block;
  }
  #certify .swiper-slide p {
    line-height: 98px;
    padding-top: 0;
    text-align: center;
    color: #636363;
    font-size: 1.1em;
    margin: 0;
  }
  #certify .swiper-pagination {
    width: 100%;
    bottom: 20px;
  }
  #certify .swiper-pagination-bullets .swiper-pagination-bullet {
    margin: 0 5px;
    border: 3px solid #fff;
    background-color: #d5d5d5;
    width: 10px;
    height: 10px;
    opacity: 1;
  }
  #certify .swiper-pagination-bullets .swiper-pagination-bullet-active {
    border: 3px solid #00aadc;
    background-color: #fff;
  }
  #certify .swiper-button-prev {
    left: -30px;
    width: 45px;
    height: 45px;
    background: url(../images/wm_button_icon.png) no-repeat;
    background-position: 0 0;
    background-size: 100%;
  }
  #certify .swiper-button-prev:hover {
    background-position: 0 -46px;
    background-size: 100%;
  }
  #certify .swiper-button-next {
    right: -30px;
    width: 45px;
    height: 45px;
    background: url(../images/wm_button_icon.png) no-repeat;
    background-position: 0 -93px;
    background-size: 100%;
  }
  #certify .swiper-button-next:hover {
    background-position: 0 -139px;
    background-size: 100%;
  }
}
@media screen and (max-width: 820px) {
  #certify {
    position: relative;
    width: 6.8rem;
  }
  #certify .swiper-slide {
    width: 5rem;
    height: 3.04rem;
    box-shadow: 0 0.08rem 0.3rem #ddd;
  }
  #certify .swiper-slide img {
    display: block;
  }
  #certify .swiper-slide p {
    line-height: 98px;
    padding-top: 0;
    text-align: center;
    color: #636363;
    font-size: 1.1em;
    margin: 0;
  }
  #certify .swiper-pagination {
    width: 100%;
    bottom: 20px;
  }
  #certify .swiper-pagination-bullets .swiper-pagination-bullet {
    margin: 0 5px;
    border: 3px solid #fff;
    background-color: #d5d5d5;
    width: 10px;
    height: 10px;
    opacity: 1;
  }
  #certify .swiper-pagination-bullets .swiper-pagination-bullet-active {
    border: 3px solid #00aadc;
    background-color: #fff;
  }
  #certify .swiper-button-prev {
    left: -30px;
    width: 45px;
    height: 45px;
    background: url(../images/wm_button_icon.png) no-repeat;
    background-position: 0 0;
    background-size: 100%;
  }
  #certify .swiper-button-prev:hover {
    background-position: 0 -46px;
    background-size: 100%;
  }
  #certify .swiper-button-next {
    right: -30px;
    width: 45px;
    height: 45px;
    background: url(../images/wm_button_icon.png) no-repeat;
    background-position: 0 -93px;
    background-size: 100%;
  }
  #certify .swiper-button-next:hover {
    background-position: 0 -139px;
    background-size: 100%;
  }
}