.content1 .bs{
background-image: url(bs_bg_pic.png);
}
.content1 .bs_title_one{
font-weight: 400;
font-style: normal;
font-size: 16px;
color: rgb(0, 0, 0);
padding-left: 0px;
line-height:16px;
padding-top: 45px;
padding-bottom: 37px;    max-width: 1580px;
    margin: 0 auto;
}.content1 .bs_title_one .bsl {
    display: inline-block;
}.content1 .bs_title_one .bsr {
    float: right;
    display: inline-block;    position: relative;
    z-index: 1;
}
.content1 .bs_title_one span{    padding-right: 0px;
    padding-left: 20px;
    background: url(bs_jiantou.png) no-repeat center;
    line-height: 21px;}

.content1 .bs_title_one a {color: rgb(0, 0, 0);}

.content1 .bs_title_one span:nth-child(1){padding-right: 5px;padding-left: 0px;background: none;}

.content1 .bs_title_one span:nth-child(3){font-weight:bold}

.content1 .bs_title_one .bsr span{
    margin-left: 0px;
    background: url(zy_icon.png)  no-repeat,url(down_jiantou.png) 120px no-repeat;
    text-indent:18px;
    padding-left: 19px;padding-right: 40px;position: relative;    min-width: 86px;
    display: inline-block; /* background-color: blue; */}
.l-banner img {
         width: 100%;
    height: 100%;
}.wrapbs .content2 .bs_zw_one div.dt center {
    width: 60.5%;
    margin: 0 auto;
    margin-top: 1%;
}
.content1 .bs_title_one span:nth-child(5){background: none;/* background-color:black; */width: 1px;padding-left: 149px;padding-top: 5px;margin-left: -150px;}
.content1 .bs_title_one span ul{position: absolute;display: none;left: 0px;top: 30px;}

.content1 .bs_title_one span ul li a{
    display:block;
    width: 145px;
    height: 50px;
    font-weight: 400;
    font-style: normal;
    font-size: 18px;
    background-color: #fff;
    line-height:50px;
    text-indent: 35px;
    }
.content1 .bs_title_one span ul li a:hover{
    color:#02a7f0;
    background-color:#f2f2f2
}
.content1 .bs_title_two{font-weight: 700;font-style: normal;font-size: 50px;color: #333333;height:91px;background: url(tuibian_2020.png) 148px no-repeat;}

.tb_text {
    width:100%;
}
.tb_text span{
    left: 545px;
    top: 878px;
    width: 831px;
    /* height: 144px; */
    display: flex;

    font-weight: 400;
    font-style: normal;
    font-size: 18px;
    color: rgb(85, 85, 85);
    border-width: 0px;
    text-align: left;
    padding-top: 24px;
}

.content1 {
    padding-bottom:15px;
}

.wrapbs .content2 .bs_zw_one div.b_title {
    font-weight: 700;
    font-style: normal;
    font-size: 96px;
    color: #333333;
    padding-left: 13%;
    /* padding-top: 27px; */
}
.wrapbs .content2 .bs_zw_one div:nth-child(1) {
    overflow: hidden;
    clear: both;
    padding-top: 0px;
    padding-left:13%;
    /* padding-bottom: 0px; */
    /* background-color: rgba(242, 242, 242, 1); */
}
.wrapbs .content2 .bs_zw_one div.s_title {
    padding-top: 25%;
    width: 100%;
    background: url(kc_pic.png) no-repeat;
    background-size: 100% 100%;
    margin-top: 45px;
    position: relative;
    padding-left: 0;
}.wrapbs .content2 .bs_zw_one div.dt center {
    
}.wp_subcolumn_list {
    display: block;
    width: 100%;
    position: relative;
}
.wrapbs {
    margin-bottom: 60px;
}
.wrapbs .content2 .bs_zw_one div.dt {
        background-color: #000000b3;
    padding: 0;
    width: 100%;
    height: auto;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    max-width: 100%;
    transition: all 0.4s ease-in-out;
}
.wrapbs .content2 .bs_zw_one div.dt img {
    padding-top: 0px;
}.wrapbs .content2 .bs_zw_one div.dt center {
    
}
.wrap2 .content2 .bs_zw_one div:nth-child(1) {
    overflow: hidden;
    clear: both;
    padding-top: 100px;
    padding-left: 250px;
    font-weight: 700;
    font-style: normal;
    font-size: 48px;
    letter-spacing: 2px;
}
.wrap2 .content2 .bs_zw_one div:nth-child(1) .fysy{
    float:left;
    line-height:100px;
    padding: 0 26px;
    letter-spacing: 2px;
}
.wrap2 .content2 .bs_zw_one div:nth-child(1) .fysy_f{   
    line-height:35px;
    font-size:28px;
    font-weight:400;
    padding: 0;
}
.wrap2 .content2 .bs_zw_one div:nth-child(1) img{
    /* line-height: 450px; */
    margin-top: 50px;
    float:left;
}
.wrap2 .content2 .bs_zw_one .b_title{
    padding:40px 400px 20px;
    font-size:20px;
    letter-spacing: 2px;
}
.wrap2 .content2 .bs_zw_one .s_title .dt{
    padding: 0px 592px 0px;
}
.wrap2 .content2 .bs_zw_one .s_title .dt:hover{
     -webkit-transform: scale(1.05);
    transform: scale(1.10);
}
.wrap2 .content2 .blank {
    margin-bottom:90px;
}

.content3 {
    background-color: #f2f2f2;
    padding-bottom: 100px;
}
.content3 .subject {
      background: url(hj_titleq.png) 100% 75% no-repeat;
    background-size: 21%;
    padding-right: 21%;
    padding-top: 60px;
    color: #333;
    clear: both;    text-align: right;
}
.content3 .subject .subject1{
    padding-left: 30px;
    font-weight:700;
    font-size:48px;
}
.content3 .subject .subject2{
    padding-left: 30px;
    font-weight:400;
    font-size:28px;
    /* line-height: 48px; */
}
.dt img {
    padding-top: 16px;
}
div.bs_show {
    margin: 0 auto;
    margin-top: 60px;
    margin-left: 250px;
   
}
div.bs_show div.outer_div {
    position: relative;
    width: 450px;
    height: 316px;
    background-color: rgba(255, 255, 255, 1);
    font-size: 25px;
    margin: 0 35px 60px 0;
    float: left;
}
div.bs_show div .in_div{
    /* margin-top: 6px; */
    margin: 0;
    padding: 0;
    width: 292px;
    height: 165px;
    /* background-color: #cccccc; */
}
div.bs_show div .in_div a {
    overflow: hidden;
    margin: 0;
}
div.bs_show div .in_div img {
    margin-left: 10px;
    width: 426px;
    height: 234px;
}
div.bs_show div .in_div_title{
    padding-top: 16px;
    padding-bottom: 2px;
    text-indent: 15px;
    font-weight: 700;
    font-style: normal;
    font-size: 16px;
    color: #333;
    letter-spacing: 2px;    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
div.bs_show div .in_div_author{
    padding-top: 0px;
    padding-bottom: 6px;
    text-indent: 15px;
    font-weight: 400;
    font-style: normal;
    letter-spacing: 2px;
    font-size: 12px;
    color: #333;
}
div.bs_show div .in_div_author .teacher{
    float: right;
    padding-right: 22px;
}

.wp_subcolumn_list .wp_sublist {
    clear: both;
    max-width: 1450px;
    margin: 0 auto;
}.wp_subcolumn_list .wp_sublist .bs_show {
    float: left;
    width: 33.3%;
    margin-left: 0;
}.wp_subcolumn_list .wp_sublist .bs_show .outer_div {
   width: auto;
    height: auto;
    margin: 0 15px;
    position: relative;    float: none;
}.wp_subcolumn_list .wp_sublist .bs_show .outer_div .in_div {
      width: auto;
    height: auto;
    padding-top: 52%;
    background-color: #efefef;
    position: relative;
    overflow: hidden;
    margin: 10px;
}
.wp_subcolumn_list .wp_sublist .bs_show .outer_div .in_div img {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    max-width: 100%;
    transition: all 0.4s ease-in-out;
}

@media screen and (max-width: 1600px) {
.content1 .bs_title_one {
    width: 90%;
    margin: 0 auto;
}

}
@media screen and (max-width: 999px) {

.wrapbs .content2 .bs_zw_one div.b_title {
    font-size: 50px;
}
.content1 .bs_title_one .bsl {
    display: block;
}
.content1 .bs_title_one .bsr {
    float: right;
    display: block;position: relative;
    z-index: 1;
}.content3 .subject {
    background: none;
    padding-left: 15px;    padding-right: 15px;
}
.content3 .subject .subject1 {
    padding-left: 0px;
    font-weight: 700;
    font-size: 30px;
}.wp_subcolumn_list .wp_sublist .bs_show {
    float: left;
    width: 50%;
    margin-left: 0;
}
.content3 .subject .subject2 {
   
    font-size: 20px;

}
}

@media screen and (max-width: 767px) {
.wp_subcolumn_list .wp_sublist .bs_show {
    float: none;
    width: 100%;
    margin-left: 0;
    margin-top: 30px;
}
.wrapbs .content2 .bs_zw_one div:nth-child(1) img {
    max-width: 100%;
}

}