@charset "utf-8"; 
.ss_am {
    width: 100%;
    margin-right: 0;
    margin-left: 0;
    overflow: hidden;
}

.ss_am .ss_item {
    height: 0;
    width: calc((100% - 60px)/3);
    overflow: hidden;
    float: left;
    position: relative;
    transition: 0.5s all ease;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 50%;
    padding-bottom: 34.4%;
    margin-left: 10px;
    margin-right: 10px;
}

.ss_am .ss_item.sg1 {
    background-image: url(//dfs.yun300.cn/group1/M00/1F/AB/rBQBHGEU_XaEeTRYAAAAAF5mbhY797.jpg);
    background-position: -150px center;
}

.ss_am .ss_item.sg2 {
    background-image: url(//dfs.yun300.cn/group1/M00/1A/7F/rBQBG2C-06OEIHxDAAAAAHJOwW4199.jpg);
}

.ss_am .ss_item.sg3 {
    background-image: url(//dfs.yun300.cn/group1/M00/1A/A7/rBQBG2EU_Z2EHlh0AAAAAL2b4BM719.jpg);
}

.ss_am .ss_item.sg4 {
    background-image: url(//dfs.yun300.cn/group1/M00/1F/73/rBQBHGDr5sOEMlfAAAAAAJ8X-PQ781.jpg);
}
.ss_am .ss_item.sg5 {
    background-image: url(//dfs.yun300.cn/group1/M00/1F/AB/rBQBHGEU_N6EPA1sAAAAAItRqvI347.jpg);
}
.ss_am .ss_item .ss_title {
    font-size: 20px;
    color: #fff;
    position: absolute;
    text-align: left;
    width: 100%;
    bottom: 0%;
    opacity: 1;
    transition: all 0.5s;
    margin-left: 0%;
    background: #00000047;
    padding: 15px  15px;
}

.ss_title1 {
    margin-top: 20px;
    font-size: 14px;
    line-height: 2;
    color: #999;
    margin-bottom: 30px;
    display:  none;
}

.more {
    font-size: 14px;
    color:  #fff;
    /* padding:  15px; */
    text-align:  right;
    float:  right;
    padding-top: 9px;
}

.ss_am .ss_item .ss_main {
    position: absolute;
    overflow: hidden;
    width: 100%;
    transition: all 0.5s;
    height: 100%;
    opacity: 0;
    top: 0;
    left: 0;
}

.ss_am .ss_item .ss_main:before {
    background: rgba(3, 155, 75, 0.83);
    position: absolute;
    content: '';
    width: 100%;
    height: 100%;
    left: 0;
    transition: 0.3s all ease;
    top: 0;
}

.ss_am:hover .ss_item.cur .ss_main {
    opacity: 1;
}

.ss_am:hover .ss_item.cur .ss_title {
    opacity: 0;
}

.ss_am .ss_item .bl_txt {
    width: 100%;
    height: 100%;
    flex-wrap: wrap;
    display: flex;
    justify-content: center;
    align-content: center;
    position: relative;
}

.ss_am .ss_item.cur .ss_main:hover .bl_txt .bl_txt_box {
    display: block;
}

.ss_am .ss_item .bl_txt .bl_txt_box {
    width: 80%;
    margin: 0 auto;
    display: none;
    text-align: center;
    margin-top: 20%;
    max-width: 300px;
}

.ss_am .ss_item .bl_txt .title_cn {
    font-size: 14px;
    font-weight: normal;
    color: #ffffff;
    margin-bottom: 40px;
    letter-spacing: 0;
    margin-top: 10px;
    text-align: left;
    line-height: 2;
}

.ss_am .ss_item .bl_txt .title_en {
    font-size: 24px;
    color: #fff;
    /* text-transform: uppercase; */
    letter-spacing: 1px;
    /* font-family: 'Times New Roman',arial; */
    text-align: center;
    margin-top: 30px;
    margin-bottom:  30px;
}

.ss_am .ss_item .bl_txt .dec {
    font-size: 14px;
    color: #FFFFFF;
    width: 170px;
    margin: 0 auto;
    background: url(/img/more4.png) 125px 50% no-repeat rgba(255, 255, 255, 0);
    line-height: 44px;
    height: 44px;
    border-radius: 25px;
    transition: all 0.35s;
    border: 1px solid #fff;
}

.ss_am .ss_item .bl_txt .dec:hover {
    background-color: rgba(142, 142, 142, 0.3);
}

@media only screen and (max-width: 768px) {
    .ss_am {
        display:flex;
        flex-wrap: wrap;
    }

    .ss_am .ss_item {
        width: 100%;
        margin-bottom: 20px;
        padding-bottom: 78.7%;
    }

    .ss_am .ss_item .ss_title {
        display: none;
    }

    .ss_am .ss_item .ss_main {
        opacity: 1;
        background-size: cover!important;
    }

    .ss_am .ss_item .bl_txt .bl_txt_box {
        display: block;
        margin-top: 12%;
    }
.ss_am .ss_item .bl_txt .title_en {
    font-size: 20px;
    color: #fff;
    letter-spacing: 1px;
    text-align: left;
    margin-top: 20px;
    text-align:  center;
    margin-bottom:  20px;
}
    .ss_am .ss_item .bl_txt .title_cn {
        margin-bottom: 20px;
        font-size: 22px;
        display: none;
    }
}

@media only screen and (min-width: 769px) {
    .ss_am {
        display:flex;
        flex-wrap: nowrap;
    }

    .ss_am:hover .ss_item {
        width: 27%;
    }

    .ss_am:hover .ss_item.cur {
        width: 46%;
    }

    .ss_am:hover .ss_item .sg1 {
        background: url(/img/cpb01.jpg);
    }
}