.banner_nav {
    width: 100%;
    height: 58px;
}

.banner_nav ul {
    width: 1200px;
    margin: 0 auto;
}

.banner_nav ul li {
    width: 179px;
    height: 58px;
    background-color: #0051a2;
    font-size: 18px;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 58px;
    text-align: center;
    cursor: pointer;
}

.container {
    width: 100%;
    height: 100%;
    background: #F5F5F5;
    padding: 100px 0;
}

.container_con {
    width: 1400px;
    margin: 0 auto;
}

.con_top {
    display: flex;
}

.con_top span {
    font-size: 16px;
    color: #0051A2;
    line-height: 56px;
}

.con_top1 {
    width: 443px;
    height: 56px;
    background: #FFFFFF;
    border: 1px solid #DADADA;
    /* display: flex;

    justify-content: space-between;

    align-items: center; */
    cursor: pointer;
    z-index: 9;
}

.con_top1>span {
    margin-left: 20px;
}

.con_top1 .xia_la1 {
    float: right;
    margin-right: 10px;
    margin-top: 12px;
}

.con_top2 .xia_la2 {
    float: right;
    margin-right: 10px;
    margin-top: 12px;
}

.con_top1 .xia_la1,
.con_top2 .xia_la2 {
    width: 30px;
    height: 30px;
    cursor: pointer;
}

.xiaBox_la1 {
    /* min-width: 443px; */
    max-height: 225px;
    background-color: #fff;
    border-top: 1px solid #e4e5e5;
    border-left: 1px solid #e4e5e5;
    border-right: 1px solid #e4e5e5;
    overflow-x: hidden;
    display: none;
    margin-top: -1px;
    z-index: 9;
    overflow-y: scroll;
}

.xiaBox_la1 ul li {
    padding: 10px 20px;
    border-bottom: 1px solid #ccc;
}

.xiaBox_la1 ul li:hover {
    background-color: #efefef;
}

.xiaBox_la1 ul li a {
    font-size: 16px;
    color: #666;
}

.con_top2 {
    width: 341px;
    height: 56px;
    background: #FFFFFF;
    border: 1px solid #DADADA;
    margin-left: 16px;
    /* padding: 0 20px; */
    cursor: pointer;
    z-index: 9;
    /* display: flex;

    justify-content: space-between;

    align-items: center; */
}

.con_top2>span {
    margin-left: 20px;
}

.con_top3 {
    width: 470px;
     width: 445px;
     
    height: 56px;
    background: #FFFFFF;
    border: 1px solid #DADADA;
    margin-left: 16px;
    padding: 0 20px;
    display: flex;
    align-items: center;
}

.con_top3 img {
    width: 21px;
    height: 21px;
}

.con_top3 input {
    border: 1px solid;
    height: 54px;
    width: 350px;
    outline: none;
    border: none;
    font-size: 16px;
    color: #0051a2;
    margin-left: 15px;
}

.con_top4 {
    width: 120px;
    height: 56px;
    background-color: #ffffff;
    border: solid 1px #dadada;
    margin-left: 16px;
    text-align: center;
    line-height: 56px;
    cursor: pointer;
}

.con_item_list ul {
    display: flex;
    flex-wrap: wrap;
}

.con_item_list ul li {
    width: 453px;
    background-color: #ffffff;
    margin-left: 20px;
    margin-top: 58px;
}

.con_item_list .margin0 {
    margin-left: 0;
}

.con_item_img {
    position: relative;
    transition: 0.6s linear 0s;
}

.item_title {
    font-size: 30px;
    color: #414141;
}

.con_item_con {
    padding: 40px;
}

.item_text {
    /*width: 380px;*/
    /*height: 70px;*/
    font-size: 15px;
    color: #858585;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    margin-top: 20px;
}

.con_item_con_bottom {
    display: flex;
    margin-top: 35px;
    justify-content: space-between;
}

.con_item_con_bottom {
    /*width: 370px;*/
    overflow-y: auto;
}

.scrollbar {
    width: 300px;
    height: 142px;
}

.test-1::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 10px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

.test-1::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    -webkit-box-shadow: inset 0 0 9px #d6d6d6;
    background: #d6d6d6;
}

.test-1::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    -webkit-box-shadow: inset 0 0 9px #e7e7e7;
    background: #e7e7e7;
}

.con_item_con_bottom ul li {
    margin-top: 5px;
    margin-left: 0;
}

.con_item_con_bottom ul li span {
    font-size: 20px;
    color: #595959;
    margin-left: 10px;
}
.con_item_con_bottom ul li:hover span{
    text-decoration: underline;
}
.con_item .mark {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 81, 162, 0.68);
    display: none;
    transition: 0.6s linear 0s;
    display: none;
}

.con_item .mark p {
    width: 186px;
    height: 94px;
    font-size: 30px;
    line-height: 36px;
    color: #ffffff;
    margin-left: 40px;
    margin-top: 25%;
}

.con_item_list ul li:hover .mark {
    display: block;
}

#m_line {
    width: 51px;
    height: 4px;
    background-color: #ffffff;
    margin-top: 25%;
}

#m_text {
    margin-top: 30px;
}

#sscpForm {
    display: flex;
}


@media screen and (min-width:1260px) and (max-width: 1600px) {
   .container_con{
      width:1260px;
   }
   .con_item_list ul li{
       width:405px;
       overflow: hidden;
   }
   .con_item_img{
       display: flex;
       text-align: center;
       overflow: hidden;
   }
    .con_item_img img{
        width: 100%;
        height: 349px;
    }
}