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;
    display: flex;
    flex-direction: column;
    align-items: center;
}

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





/* videos */
.cases_videos {
    width: 100%;
    min-height: 10rem;
    padding-top: 0.6rem;
    padding-bottom: 1.27rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.cases_videos .title {
    text-align: center;
}
.cases_videos .chinese {
    font-size: 0.28rem;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #222222;
}
.cases_videos .english {
    margin-top: 0.15rem;
    font-size: 0.14rem;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #004282;
}
.cases_videos .pics {
    width: 12rem;
    margin-top: 0.8rem;
    display: flex;
    flex-wrap: wrap;
}
.cases_videos .pic_item {
    width: 3.82rem;
    margin-right: 0.27rem;
    margin-top: 0.5rem;
    text-align: center;
}
.cases_videos .pic_item:nth-child(-n+3) {
    margin-top: 0;
}
.cases_videos .pic_item:nth-child(3n) {
    margin-right: 0;
}
.cases_videos .pic_item .pic {
    position: relative;
    width: 3.82rem;
    height: 2.36rem;
}
.cases_videos .pic_item .pic img {
    width: 100%;
    height: 100%;
}
.cases_videos .pic_item .name {
    margin-top: 0.2rem;
    font-size: 0.2rem;
    font-family: Microsoft YaHei;
    color: #222222;
}
/* 遮罩 */
.cases_videos .pic_item .mask {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
}
.cases_videos .pic_item .mask:hover {
    cursor: pointer;
}
.cases_videos .pic_item .pic .mask_play {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0.47rem;
    height: 0.47rem;
    transform: translate(-50%, -50%);
}



/* pages */
.cases_videos .pages {
    margin-top: 1.2rem;
    display: flex;
    align-items: center;
    text-align: center;
}
.cases_videos .pages .home_page {
    display: block;
    width: 0.4rem;
    height: 0.32rem;
    margin-right: 0.1rem;
    background: #FFFFFF;
    border: 0.01rem solid #EEEEEE;
    border-radius: 0.04rem;
    font-size: 0.14rem;
    font-family: Microsoft YaHei;
    color: #222222;
    line-height: 0.3rem;
}
.cases_videos .pages .prev, .next {
    display: block;
    width: 0.69rem;
    height: 0.32rem;
    margin-right: 0.1rem;
    background: #FFFFFF;
    border: 0.01rem solid #EEEEEE;
    border-radius: 0.04rem;
    font-size: 0.14rem;
    font-family: Microsoft YaHei;
    color: #222222;
    line-height: 0.3rem;
}
.cases_videos .pages .last_page {
    display: block;
    width: 0.4rem;
    height: 0.32rem;
    background: #FFFFFF;
    border: 0.01rem solid #EEEEEE;
    border-radius: 0.04rem;
    font-size: 0.14rem;
    font-family: Microsoft YaHei;
    color: #222222;
    line-height: 0.3rem;
}
.cases_videos .pages .page {
    display: flex;
    align-items: center;
}
.cases_videos .pages .item {
    width: 0.32rem;
    height: 0.32rem;
    margin-right: 0.1rem;
    background: #FFFFFF;
    border: 0.01rem solid #EEEEEE;
    border-radius: 0.04rem;
    font-size: 0.14rem;
    font-family: Microsoft YaHei;
    color: #222222;
    line-height: 0.3rem;
}
.cases_videos .pages .page_active {
    background: #004282;
    color: #fff;
}




@media only screen and (max-width: 1024px) {
    .cases_videos .chinese {
        font-size: 14px;
    }
    .cases_videos .english {
        margin-top: 0.1rem;
        font-size: 12px;
    }
    .cases_videos .pics {
        width: 100%;
        margin-top: 0.45rem;
        padding: 0 15px;
        justify-content: space-between;
    }
    .cases_videos .pic_item {
        width: 48%;
        margin-right: 0 !important;
        margin-top: 10px !important;
    }
    .cases_videos .pic_item .pic {
        width: 100%;
        height: 2.5rem;
    }
    .cases_videos .pic_item .name {
        font-size: 12px;
    }
    .cases_videos .pic_item:nth-child(-n+2) {
        margin-top: 0 !important;
    }
}