.er,.san,.si{display:none;}
.nav-list>li{position:relative;}
.nav-list>li>.er{width: 160px;position:absolute;top:50px;left: 50%;margin-left: -80px;}
.nav-list>li>.er li{ /*background: #fff;*/background:#2356ab;}
.nav-list>li>.er li a{color: #fff;}
.nav-list>li>.er li:hover{background: #fff;}
.nav-list>li>.er li:hover a{color: #2356ab;}

.nav-list>li .er li,.nav-list>li .er li a{width:100%;line-height:36px;padding:0;}
.nav-list>li>.er>li>.san{position:absolute;top:50px;left:100%;top:0;}
.nav-list>li .er .san li,.nav-list>li .er .san li a{white-space:nowrap;}
.nav-list>li .er .san li a{padding:0 5px;/*color:rgba(71,77,80,0.7)*/color:#fff;}
.nav-list>li .er .san li a:hover{padding:0 5px;/*color:rgba(71,77,80,0.7)*/color:#999;}
.nav-list>li>.er>li:hover>.san{display:block;}
.nav-list>li>.er>li>.san>li>.si{position:absolute;top:50px;left:100%;top:0;}
.nav-list>li>.er>li>.san>li:hover>.si{display:block;}
 .m-list9{padding-top: 45px;}
.pic_zy{overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;}
        .m-list9 li {
            float: left;
            width: 48.5%;
            -webkit-box-sizing: border-box;
            -moz-box-sizing: border-box;
            box-sizing: border-box;
            padding-right: 20px;
            margin-bottom:25px;
            overflow: hidden;
            background: #eeeff2;
            position: relative;
            margin-right: 5px
        ;}
        .m-list9 li:nth-child(2n) {
            
            margin-left:5px;}
            .m-list9 li::after {
                position: absolute;
                width: 100%;
                height: 4px;
                background: #2457ab;
                bottom: 0px;
                left: 0;
                content: "";}
            
            .m-list9 .pic {
                float: left;
                width: 166px;
                height: 213px;
                margin-right: 20px;
                overflow: hidden;}
            .m-list9 .pic img {
                display: block;
                width: 100%;
                height: 100%;
                -o-transition: .3s;
                -ms-transition: .3s;
                -moz-transition: .3s;
                -webkit-transition: .3s;
                transition: .3s;}
            
            .m-list9 .txt {
                height: 184px;
                overflow: hidden;
                padding-top: 27px;
                -webkit-box-sizing: border-box;
                -moz-box-sizing: border-box;
                box-sizing: border-box;
                font-size: 14px;
                color: #000;
                line-height: 30px;}
            
            .m-list9 .txt h4 {
                font-size: 20px;
                margin-bottom: 20px; line-height:3rem
            ;}
            
            .m-list9 .txt h4 a {
                color: inherit; color:#333; font-weight:normal
            ;}
        @media (max-width: 1279px){
           .m-list9 li{width:100%;}
        }
@media (max-width: 767px){
.pic_zy{display:none;}
.m-list9 .txt h4 {
    font-size: 16px;}
        }