.container {
    /* width: 1200px; */
    height: 1230px;
    background:url(../../img/actity/media/bj1.jpg) 0px 0px no-repeat, url(../../img/actity/media/bj2.jpg) 0 743px no-repeat;
    background-color: #FEC40B;
    margin: 70px auto 0 auto;
    box-sizing: border-box;
    padding-top: 240px;
}

.platform_content {
    width: 1180px;
    background: #FFFFFF;
    box-shadow: 0px 5px 29px 14px rgba(255,242,214,0.3);
    border-radius: 20px;
    margin: 0 auto;
    margin-top: 70px;
    position: relative;
    box-sizing: border-box;
    padding: 70px 0px 10px 54px;
}
.linkA{
    display: block;
    font-size: 14px;
    text-align: center;
    color: #FF7000;
    margin-top: 2px;
}

.platform_title {
    width: 100%;
    display: -webkit-flex;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.platform_tita {
    font-weight: bold;
    text-align: center;
    line-height: 50px;
    color: #FFFFFF;
    font-size: 24px;
    background: url(../../img/actity/media/label.png) no-repeat center;
    width: 305px;
    height: 64px;
    position: absolute;
    top: -21px;
    left: 50%;
    transform: translateX(-50%);
}

.platform_titb {
    font-size: 13px;
    color: #999999;
    text-align: center;
    position: absolute;
    top: 20px;
    right: 50px;
}

.platform_list {
    width: 100%;
    /* margin-top: 20px; */
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
}

.platform_item {
    width: 140px;
    height: 140px;   
    border-radius: 20px;
    margin-right: 45px;
    margin-bottom: 70px;
}
.linkA:hover {
    font-weight: bold;
}
.back1{
    background: #FDF4F5;
}
.back2{  
    background: #FEFAF2;
}
.back3{
    background: #EFF9F8;
}
.back4{
    background: #F6F6F6;
}
.back5{  
    background: #E8F5FF;
}
.platform_itembox {
    transition: .6s;
    transform-style: preserve-3d;
    position: relative;
    height: 100%;
}

.platform_front {
    transition: .6s;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    position: absolute;
    height: 100%;
    width: 100%;
    display: -webkit-flex;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.platform_word {
    color: #333333;
    font-size: 14px;
    margin-top: 15px;
    text-align: center;
}

.platform_back {
    transition: .6s;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    position: absolute;
    height: 100%;
    width: 100%;
    transform: rotateY(180deg);
    display: -webkit-flex;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.platform_itembox:hover .platform_front {
    transform: rotateY(180deg);
}

.platform_itembox:hover .platform_back {
    transform: rotateY(0deg);
}

.platform_type {
    width: 100%;
    height: 100%;
    /* background: #FAFAFA; */
    border-radius: 20px;
    display: -webkit-flex;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-right: 43px;
}

.platform_type:hover .platform_timg {
    transition:all 0.4s ease-out;
    transform:scale(1.2);
}

.platform_type:hover .platform_word {
    transition:all 0.4s ease-out;
    color: #40a9ff;
}
.wpx60{
    width: 60px;
}

@media (max-width: 1440px){
    .container {
        margin: 53px auto 0 auto;
        height: 1050px;
        background: url(../../img/actity/media/bj1.jpg) 0px 0px no-repeat, url(../../img/actity/media/bj2.jpg) 0 579px no-repeat;
        background-color: #FEC40B;
        background-size: 1500px;
        padding-top: 196px;
    }

    .platform_content {
        width: 1000px;
        margin-top: 50px;
        padding: 60px 0px 10px 46px;
    }

    .platform_tita {
        font-size: 15px;
        height: 50px;
        line-height: 44px;
        top: -14px;
    }

    .platform_titb {
        font-size: 10px;
        top: 15px;
    }

    .platform_item {
        width: 120px;
        height: 120px;
        margin-right: 38px;
    }

    .platform_saimg {
        width: 56px;
    }

    .platform_baimg {
        content: url("../../img/actity/media/swkcode.png");
    }

    .platform_sbimg {
        width: 56px;
        /* content: url("../../img/actity/media/szycclgzh.png"); */
    }

    .platform_bbimg {
        content: url("../../img/actity/media/szycclcode.png");
    }

    .platform_acimg {
        width: 56px;
        /* content: url("../../img/actity/media/swksngzh.png"); */
    }

    .platform_bcimg {
        content: url("../../img/actity/media/swksncode.png");
    }

    .platform_sdimg {
        width: 56px;
        /* content: url("../../img/actity/media/dy.png"); */
    }

    .platform_bdimg {
        width: 100px;
        content: url("../../img/actity/media/szycclsp.png");
    }

    .platform_seimg {
        width: 56px;
        /* content: url("../../img/actity/media/swkh.png"); */
    }

    .platform_beimg {
        width: 100px;
        content: url("../../img/actity/media/swksp.png");
    }

    .platform_sfimg {
        width: 56px;
        /* content: url("../../img/actity/media/stcglgzh.png"); */
    }

    .platform_bfimg {
        content: url("../../img/actity/media/stcglcode.png");
    }
    .platform_ddimg{
        width: 100px;
    }

    .platform_word {
        font-size: 11px;
        margin-top: 20px;
    }

    .platform_timg {
        width: 56px;
    }
}