html,
body {
  position: relative;
  height: 100%;
}
body {
  background: #fff;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #000;
  margin: 0;
  padding: 0;
}
.main_body {
    position: relative;
    width: 100%;
    margin: 0 auto;
}

/* banner样式在common.css中 */
/* 面包屑和小导航样式在common.css中 */


/* product videos */
.product_vedios {
  width: 100%;
  height: 8.56rem;
  background-color: #fff;
}
.product_vedios .vedios_center {
  width: 12rem;
  margin: 0 auto;
  padding-top: 0.8rem;
}
/* nav box */
.product_vedios .nav_box {
  width: 12rem;
  height: 0.57rem;
  /*background: #004282;*/
  /*background: rgb(216, 217, 228);*/
  border-radius: 0.05rem;
  display: flex;
  align-items: center;
}
.product_vedios .nav_box .nav_item {
  position: relative;
  flex: 1;
  /*height: 0.18rem;*/
  margin-right: 0.08rem;
  text-align: center;
  border-right: 0.01rem solid rgba(255, 255, 255, 0.5);
  height: 100%;
    background: rgba(216,217,228,1);
    border-radius: 0.05rem;
}
.product_vedios .nav_box .nav_item:last-child {
  margin-right: 0;
}
.product_vedios .nav_box .nav_item a {
    display: block;
    margin-top: 0.17rem;
  color: rgba(0, 0, 0, 1);
  font-size: 0.16rem;
  font-family: Microsoft YaHei;
  font-weight: 400;
}
.product_vedios .nav_box .short {
  position: absolute;
  left: 50%;
  display: none;
  width: 0.51rem;
  height: 0.04rem;
  margin-top: 0.1rem;
  transform: translateX(-50%);
  background: #FFFFFF;
  border-radius: 0.02rem;
}
.product_vedios .nav_box .nav_active {
    height: 100%;
    background: #004282;
    border-radius: 0.05rem;
}
.product_vedios .nav_box .nav_active a {
    display: block;
    margin-top: 0.1rem;
  font-weight: bold;
  color: #FFFFFF;
}
.product_vedios .nav_box .nav_active .short {
  display: block;
}
/* title */
.product_vedios .pro_title {
  margin-top: 0.4rem;
  font-size: 0.32rem;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #222222;
  display: flex;
  align-items: center;
}
.product_vedios .pro_title::before {
  content: "";
  display: inline-block;
  width: 0.05rem;
  height: 0.3rem;
  margin-right: 0.2rem;
  background: #004282;
  border-radius: 0.03rem;
}

/* swiper video */
.swiper {
  width: 100%;
  height: 100%;
}
.swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}
.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product_vedios .swiper_video {
  width: 12rem;
  height: 5.68rem;
  margin-top: 0.4rem;
}
.product_vedios .swiper_video .video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product_vedios .swiper_video .play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 0.62rem;
  height: 0.62rem;
  object-fit: cover;
}
/* swiper 分页 */
.product_vedios .swiper_video .swiper-pagination-bullet {
  background-color: white;
  opacity: 1;
}
.product_vedios .swiper_video .swiper-pagination-bullet-active {
  background-color: #004282;
  opacity: 1;
}
/* swiper 左右按钮 */
.product_vedios .swiper_video .swiper-button-prev::after {
  display: none;
}
.product_vedios .swiper_video .swiper-button-next::after {
  display: none;
}
.product_vedios .swiper_video .left_btn {
  width: 0.53rem;
  height: 1.07rem;
}
.product_vedios .swiper_video .right_btn {
  width: 0.53rem;
  height: 1.07rem;
}




/* pro info */
.pro_info {
  width: 100%;
  /*height: 6.5rem;*/
  min-height: 6.5rem;
  background: #F8F8F8;
}
.pro_info .center_info {
  width: 12rem;
  margin: 0 auto;
  padding-top: 0.26rem;
  padding-bottom: 0.35rem;
}
/* 性能特点和技术参数 */
.pro_info .info_navs {
  display: flex;
  align-items: center;
}
.pro_info .tip {
  width: 1.03rem;
  height: 0.51rem;
  margin-right: 1.2rem;
  font-size: 0.16rem;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #222222;
  text-align: center;
  line-height: 0.4rem;
}
.pro_info .tip:hover {
  cursor: pointer;
}
.pro_info .tip_active {
  background-image: url("../images/productDetail/detail_tip.png");
  background-size: cover;
  font-weight: bold;
  color: #FFFFFF;
}
/* 中间的灰色的线 */
.pro_info .long_line {
  width: 12rem;
  height: 0.01rem;
  margin-top: 0.2rem;
  margin-bottom: 0.2rem;
  background: #DCDCDC;
}
/* 各种信息 */
.pro_info .info_items {
  width: 12rem;
  /*display: flex;*/
  /*flex-wrap: wrap;*/
}
.pro_info .info_items .item {
  width: 5.65rem;
  margin-top: 0.5rem;
  margin-right: 0.7rem;
}
.pro_info .info_items .item:nth-child(-n+2) {
  margin-top: 0;
}
.pro_info .info_items .item:nth-child(2n) {
  margin-right: 0;
}
.pro_info .info_items .title {
  display: flex;
  align-items: center;
}
.pro_info .info_items .big_circle {
  width: 0.14rem;
  height: 0.14rem;
  margin-right: 0.1rem;
  background: #004282;
  border-radius: 50%;
}
.pro_info .info_items .name {
  font-size: 0.16rem;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #222222;
}
.pro_info .info_items .params {
  margin-left: 0.24rem;
  margin-top: 0.2rem;
}
.pro_info .info_items .per {
  font-size: 0.16rem;
  font-family: Microsoft YaHei;
  color: #222222;
  line-height: 0.25rem;
}





@media only screen and (max-width: 1024px) {
    .product_vedios {
        height: auto;
    }
    .product_vedios .vedios_center {
        width: 100%;
        padding: 0.6rem 15px 0.2rem;
    }
    .product_vedios .nav_box {
        width: 100%;
        height: auto;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .product_vedios .nav_box .nav_item {
        width: 31.33%;
        height: auto;
        flex: none;
        margin-right: 0;
        padding: 10px 0;
        margin-top: 0.2rem;
    }
    .product_vedios .nav_box .nav_item:nth-child(-n+3) {
        margin-top: 0;
    }
    .product_vedios .nav_box .nav_active .short {
        display: none;
    }
    .product_vedios .nav_box .nav_item a {
        font-size: 12px;
        margin-top: 0;
        white-space: nowrap;
    }
    .product_vedios .pro_title {
        font-size: 16px;
        margin-top: 0.3rem;
    }
    .product_vedios .swiper_video {
        width: 100%;
        height: auto;
        margin-top: 0.3rem;
    }
    .swiper-button-prev, .swiper-rtl .swiper-button-next {
        display: none;
    }
    .swiper-button-next, .swiper-rtl .swiper-button-prev {
        display: none;
    }
    
    .pro_info .center_info {
        width: 100%;
        padding: 0.26rem 15px;
    }
    .pro_info .long_line {
        width: 100%;
    }
    .pro_info .info_items {
        width: 100%;
    }
    .pro_info .info_items p {
        line-height: 1.5;
        font-size: 12px;
    }
    /*.pro_info .info_items p span {*/
    /*    font-size: 12px !important;*/
    /*}*/
    .pro_info .info_items {
        overflow: auto;
    }
    .vedios_center .swiper .swiper-slide {
        width: 100%;
        height: 251px;
    }
    .vedios_center .swiper .swiper-slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    
}










