.top_img_div{
    width: 100%;
    padding: 5px 0;
    text-align: center;
}
.nav_div{
    width: 100%;
    height: 28px;
    background-color: #1D9696;
    text-align: center;
}
.nav_ul{
    width: 1200px;
    height: 100%;
    padding: 0;
    margin: 0 auto;
}
.nav_ul a {
    color: #fff;
    text-decoration: none;
}
.nav_ul li{
    list-style: none;
    display: inline-block;
    width: 13%;
    height: 100%;
    line-height: 28px;
}
.nav_ul .active a {
    background-color: #fff;
    color: #1D9696;
    text-decoration: none;
    display: inline-block;
    height: 100%;
    padding: 0 10px;
}


/*///////////////*/
.big_banner,.big_banner img{
    display: inline-block;
    width: 100%;
}
.about_us_div{
    width: 100%;
    margin-top: 100px;
}
.about_us_div_h3, .about_us_div_h5{
    text-align: center;
}
.about_us_div_h3{
    font-weight: 700;
}
.about_us_div_h5{
    color: #199593;
}
.about_us_content{
    width: 1200px;
    /*width: 80%;*/
    margin: 0 auto;
    margin-top: 30px;
}
.statistics_div{
    width: 100%;
    /*height: 180px;*/
    background-color: #F6F6F6;
    margin-top: 100px;
    padding: 30px 0;
    text-align: center;
}
.statistics_content_div{
    /*width: 1200px;*/
    width: 80%;
    height: 100%;
    margin: 0 auto;
    /*display: inline-block;*/
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.scd_item{
    text-align: center;
}
.scdi_top{
    font-size: 25px;
    font-weight: 700;
    font-style: oblique;
    color: #199594;
}
.bottom_div{
    width: 100%;
    /*height: 480px;*/
    display: inline-block;
    /*display: flex;*/
    /*justify-content: space-between;*/
    /*align-items: center;*/
}
.bd_item{
    width: 100%;
    height: 480px;
    position: relative;
    text-align: center;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.bdi_bg{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: all 0.5s ease 0s;
}
.bdi_bg:hover{
    -webkit-transform: scale(1.25, 1.25);
    transform: scale(1.25, 1.25);
}
.bdi_bg:hover:after{
    background-color: rgba(0, 0, 0, 0.1);
}
.bdi_bg:after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    -webkit-transition: all 0.5s ease 0s;
    transition: all 0.5s ease 0s;
}
.bdi_btn{
    /*width: 336px;*/
    /*height: 94px;*/
    width: 95%;
    height: 20%;
    border: 5px solid #F6F6F6;
    line-height: 130%;
    font-size: 55px;
    font-weight: 700;
    color: #fff;
    margin: 0 auto;
    z-index: 999;
}


/*///////////////*/
.foot{
    width: 100%;
    /*height: 220px;*/
    background-color: #1D9696;
    text-align: center;
    color: #fff;
    display: inline-block;
    padding: 10px 0;
}
.foot_top{
    font-size: 30px;
    font-weight: 600;
    margin-top: 30px;
}
.foot_conter{
    font-size: 30px;
    font-weight: 600;
    margin-top: 15px;
    word-wrap: break-word;
    word-break: normal;
}
.foot_foot{
    font-size: 16px;
    margin-top: 50px;
}
.copyright{
    width: 100%;
    text-align: center;
}
.copyright span{
    display: inline-block;
    padding: 10px 0;
    font-size: 16px;
    color: #666666;
}


/*///////////////*/
.content{
    width: 100%;
    display: inline-block;
    margin: 100px 0;
}
.content_h3{
    text-align: center;
    font-weight: 700;
    margin-bottom: 100px;
}
.cc{
    /*width: 1200px;*/
    width: 100%;
    margin: 0 auto;
}
.cci_top{
    width: 100%;
    /*display: flex;*/
    margin-top: 40px;
}
.ccit_left,.ccit_right,.ccif_left,.ccif_right{
    width: 100%;
    padding: 20px 10px;
}
.cc hr{
    width: 60px;
    height: 10px;
    background-color: #666666;
    float: left;
}
.cci_cn,.cci_en{
    float: left;
    width: 100%;
}
.cci_en{
    margin-top: 40px;
}
.ccit_right{
    display: flex;
    align-items: center;
}
.cci_img_div{
    width: 275px;
    height: 300px;
    border: 6px solid #1D9696;
    margin-left: 40px;
}
.cciid_img{
    width: 275px;
    height: 300px;
    margin: 30px 0 0 30px;
}
.cci_foot{
    width: 100%;
    /*display: flex;*/
}
.ccif_right{
    display: inline-block;
}


/*///////////////*/
.cca_top{
    width: 100%;
    /*display: flex;*/
    /*align-items: center;*/
    margin-top: 60px;
}
.cca_img_div{
    width: 275px;
    height: 300px;
    background-color: #1D9696;
    margin-left: 40px;
}
.ccaid_img{
    width: 275px;
    height: 300px;
    margin: -10px 0 0 -10px;
}
.cca_foot{
    width: 100%;
    margin-top: 80px;
}
.ccaf_c{
    /*display: flex;*/
    /*align-items: center;*/
    margin-top: 20px;
}
/*.ccif_left{*/
/*    display: flex;*/
/*    align-items: center;*/
/*}*/
.ccaf_img{
    width: 266px;
    height: 300px;
    margin: 0 auto;
    /*margin: 0 10px;*/
}


/*///////////////*/
.ccmcn_img_div{
    max-width: 600px;
}
.ccmcn_img_div img{
    width: 100%;
}
.ccmcnt_right{
    width: 100%;
    padding: 20px 10px;
    /*padding-left: 40px;*/
}
.ccit_left,.ccmt_right{
    display: inline-block;
    padding: 20px 10px;
}


/*///////////////*/
.cctop{
    /*margin-top: 40px;*/
    padding: 0 10px;
}
.cctopimg,.cctopimg img{
    width: 100%;
}
.cctopimg{
    margin-top: 40px;
}
.ccfootimg{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
}
.ccfootimg img{
    max-width: 49%;
}


/*///////////////*/
.content_m{
    width: 100%;
    display: inline-block;
    margin-top: 100px;
}
.ccm{
    width: 100%;
}
.ccm_top{
    width: 100%;
    /*display: flex;*/
    /*align-items: center;*/
    /*justify-content: space-between;*/
    /*margin-top: 40px;*/
}
.ccmt_left{
    display: inline-block;
    padding: 20px 10px;
    /*width: 30%;*/
    /*margin-left: 10%;*/
}
.ccmt_right{
    display: inline-block;
    padding: 20px 10px;
    /*width: 60%;*/
}
.ccmt_right img{
    width: 100%;
}
.ccm_foot{
    width: 100%;
    padding: 30px 0 80px 0;
    background-color: #1DADAD;
    margin-top: 80px;
}
.ccmfimg{
    /*display: flex;*/
    /*align-items: center;*/
    /*justify-content: space-evenly;*/
    text-align: center;
}
.ccmfimg img{
    margin-top: 50px;
    max-width: 200px;
    border-radius: 100%;
    margin-left: 10px;
}

.navbar-collapse{
    background-color: #fff;
}

.navbar{
    margin-bottom: 0 !important;
    border: initial !important;
}
.navbar-default{
    border-color: initial !important;
}
.navbar-default {
    z-index: 1030;
}

/* 宽度大于760px */
@media (min-width: 760px){
    .navbar-nav {
        float: initial !important;
        display: flex;
        justify-content: space-between;
    }
    .navbar-nav .active {
        background-color: #fff;
        text-decoration: none;
        display: inline-block;
        height: 100%;
        padding: 0 10px;
    }
    .navbar-nav a{
        color: #fff !important;
    }
    .navbar-nav .active a{
        background-color: initial !important;
        color: #1D9696 !important;
    }
    .navbar-collapse{
        background-color: initial;
    }
    .bottom_div{
        width: 100%;
        /*height: 480px;*/
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .statistics_content_div{
        width: 70%;
    }
    .bd_item{
        height: auto;
        padding: 10% 1%;
    }
    .cci_top,.cci_foot{
        display: flex;
    }
    .cci_foot{
        margin-top: 250px;
    }
    .cca_top{
        display: flex;
        align-items: center;
    }
    .ccaf_c{
        display: flex;
        align-items: center;
        margin-top: 20px;
    }
    .ccif_left{
        display: flex;
        align-items: center;
    }
    .ccm_top{
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 40px;
    }
    .ccmt_left{
        width: 30%;
        margin-left: 10%;
    }
    .ccmt_right{
        width: 60%;
    }
    .ccmfimg{
        display: flex;
        align-items: center;
        justify-content: space-evenly;
    }
    .scdi_top{
        font-size: 35px;
    }
}

/* 宽度大于1000px小于1200之间 */
@media all and (min-width:1000px) and (max-width:1200px){
    .nav_ul{
        width: 1000px;
    }
    .about_us_content{
        width: 1000px;
    }
    .statistics_div{
        height: 150px;
    }
    /*.statistics_content_div{*/
    /*    width: 1000px;*/
    /*}*/
    /*.bottom_div{*/
    /*    height: 380px;*/
    /*}*/
    /*.bdi_btn{*/
    /*    width: 220px;*/
    /*    height: 50px;*/
    /*    border: 4px solid #F6F6F6;*/
    /*    line-height: 50px;*/
    /*    font-size: 35px;*/
    /*    font-weight: 600;*/
    /*}*/
    /*.cc{*/
    /*    width: 1000px;*/
    /*}*/
    .ccaf_img{
        width: 220px;
        height: 254px;
    }
}
/* 宽度大于800px小于1000之间 */
@media all and (min-width:800px) and (max-width:1000px){
    .nav_ul{
        width: 800px;
    }
    .about_us_content{
        width: 800px;
    }
    .statistics_div{
        height: 100px;
    }
    /*.statistics_content_div{*/
    /*    width: 800px;*/
    /*}*/
    /*.bottom_div{*/
    /*    height: 280px;*/
    /*}*/
    /*.bdi_btn{*/
    /*    width: 150px;*/
    /*    height: 30px;*/
    /*    border: 3px solid #F6F6F6;*/
    /*    line-height: 30px;*/
    /*    font-size: 20px;*/
    /*    font-weight: 500;*/
    /*}*/
    /*.cc{*/
    /*    width: 800px;*/
    /*}*/
    .ccaf_img{
        width: 166px;
        height: 200px;
    }
}