body {
    margin: 0;
    padding: 0;
    background: #f0f6fa;
}

h2,
h3,
h4,
h5 {
    padding: 0;
    margin: 0;
    display: inline-block;
}

ul,
li,
ol {
    padding: 0;
    margin: 0;
    list-style: none;
}

/*头部*/
.left_heade,
.right_heade {
    display: inline-block;
}

.right_heade {
    float: right;
}

.left_heade span,
.right_heade span {
    padding: 0 1px;
}

.header_ {
    width: 100%;
    background: #f8f8f8;
    padding: 8px 0;
    font-size: 13px;
    display: block;
    color: #333;
    z-index: 99;
    border-bottom:1px solid #dbdbdb;
}

.head_ {
    /* width: 1200px; */
    background: #1055a3;
}

.nav_header {
    width: 1200px;
    margin: 0 auto;
}

.logo_se {
    /* width: 100%;
    background-image: url(./img/b_01.jpg);
    background-repeat: no-repeat;
    background-size: 100% 118px; */
    background: #1055a3;
}

.logo_seach {
    width: 1200px;
    margin: 0 auto;
    padding:20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo_img,
.logo_cat {
    display: inline-block;
}

.logo_img img {
    width: 471px;
    height: 40px;
}

.fbxq {
    /* width:185px; */
    display: inline-block;
}

.fbxq img {
    /* width:185px;
    height: 40px; */
}
.icon_ss{
    position: relative;
    top:3px;
    left:2px;
}
.s{
    position: relative;
    right:-11px;
    top:3px;
    z-index: 9;
}
/*导航*/
/* 导航 */
.nav_ {
    width:1200px;
    font-size: 0;
    margin:0 auto;
    padding:20px 0;
}
.nav_ li {
    /* width: 80px; */
    text-align: center;
    display: inline-block;
    padding: 0 15px;
    font-size: 16px;
    color: #fff;
}

.nav_ ul {
    width:1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* margin: 0 auto; */
}
.nav_ li a{
    color: white;
}

.nav_ li a:hover {
    cursor: pointer;
    color:#f6a502 !important;
}
.nav_tit li:nth-child(2){
    border-right: 1px solid #d7d7d7;
}

.nav_tit li:nth-child(3),.nav_tit li:nth-child(4),.nav_tit li:nth-child(5),.nav_tit li:nth-child(6),.nav_tit li:nth-child(7),.nav_tit li:nth-child(8),{
    position: relative;
}
.nav_tit li:nth-child(3)::before{
    content:url('./img/jc.png');
}
.nav_tit li:nth-child(4)::before {
    content: url('./img/qg.png');
}
.nav_tit li:nth-child(5)::before {
    content: url('./img/jx.png');
}
.nav_tit li:nth-child(6)::before {
    content: url('./img/zb.png');
}
.nav_tit li:nth-child(7)::before {
    content: url('./img/gs.png');
}
.nav_tit li:nth-child(8)::before {
    content: url('./img/lw.png');
}
.nav_tit li:nth-child(5){
    border-right: 1px solid #d7d7d7;
}
.nav_tit li:nth-child(8){
    border-right: 1px solid #d7d7d7;
}
.public {
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
}


.cont {
    width: 1200px;
    margin: 0 auto;
}
.ban_right_ {
    width: 260px;
    display: inline-block;
    vertical-align: top;
    padding: 15px 20px;
    background: white;
    display: inline-block;
    position: absolute;
    right: 0;
    top:50px;
}

.ban_l_top_ {
    width: 100%;
    text-align: center;
    padding: 4px 0 10px 0;
    border-bottom: 1px dashed #c0c0c0;
}

.ban_l_top_ img {
    width: 148px;
    height: 22px;
}

.ban_l_des {
    font-size: 13.5px;
    color: #838383;
    text-align: center;
    line-height: 35px;
}

.ban_l_but>div {
    border: 1px solid #004294;
    padding: 5px 20px;
    color: #004294;
    display: inline-block;
    font-size: 14px;
    border-radius: 3px;
}

.ban_l_but {
    margin-top: 5px;
}

.ban_l_cont {
    border-bottom: 1px dashed #c0c0c0;
}

.ban_l_bot {
    padding: 5px 0;
}

.ban_l_bot span {
    font-size: 14px;
    color: #444444;
}

.ban_l_svg {
    width: 300px;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.ban_l_svg li {
    width: 71px;
    text-align: center;
    padding: 8px 5px;
    display: inline-block;
}

.ban_l_svg span {
    font-size: 13.5px;
}

.ban_l_bottom {
    margin-top: 10px;
    text-align: center;
}

.issue {
    background: #004294;
    color: white;
    padding: 5px 15px;
    display: inline-block;
    border-radius: 3px;
    font-size: 14px;
}

.ban_left {
    width: 238px;
    border: 1px solid #ededed;
    background: #fff;
    display: inline-block;
    box-shadow: 5px 5px 5px #6f696b;
}

.ban_l_ul {
    padding: 11px 15px;
    border-bottom: 1px solid #b5b5b5;
}

.ban_l_ul:last-child {
    border: 0;
}

.icon_0 {
    margin-right: 10px;
    display: inline-block;
    vertical-align: bottom;
}

.ban_tit1 {
    font-size: 16px;
    font-weight: bold;
    vertical-align: top;
    color: #d40000;
}

.ban_c_class ul {
    height: 68px;
    overflow: hidden;
    /*margin-left:35px;*/
}

.ban_c_class li {
    padding-right: 10px;
    margin-top: 4px;
    font-size: 14.5px;
    color: #999999;
    display: inline-block;
}

/*  */
.banner_top {
    width: 1200px;
    height: 500px;
    /*overflow: hidden;*/
    position: absolute;
    top: 0;
    left: calc((100% - 1200px)/2);
    z-index: 2;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
    z-index: 9999;
}

.ad_ {
    width: 1200px;
    margin-top: 20px;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
}

/* 头条资讯 */
.tit_hot{
    width: 1200px;
    margin-top:10px;
    background: white;
}
.tit{
    width: 1200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size:40px;
    color:#1055a3;
    text-align: center;
    padding:15px 0;
    font-weight: bold;
    border-bottom:1px solid #d4d4d4;
}
.tit_class ul{
    width: 1200px;
}
.tit_class li{
    width: 275px;
    padding:8px 0;
    font-size:15px;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
    text-align: center;
    border-bottom: 1px solid #d4d4d4;
}
.info_mem{
    width: 1200px;
    padding-top:20px;
    background: white;
}
.news_ad{
    width:568px;
    display: inline-block;
}
.news_ad img{
    width: 568px;
    height: 380px;
}
.info_list{
    width: 274px;
    font-size:0;
    display: inline-block;
}
.info_list li{
    width: 274px;
    padding:12px 0;
    border-bottom:1px solid #d4d4d4;
}
.info_tit{
    width: 274px;
    overflow: hidden;
    height: 44px;
    word-break: break-all;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-height: 22px;
    font-size: 18px;
    font-weight: 700;
    color: #1055a3;
}
.info_intro{
    width: 274px;
    height: 44px;
    overflow: hidden;
    word-break: break-all;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-height: 22px;
    font-size: 14px;
    color: #666666;
    margin-top:5px;
}
.mem_right{
    width: 293px;
    font-size:0;
    border:1px solid #d4d4d4;
    display: inline-block;
}
.mem_hi{
    font-size:14px;
    text-align: center;
    padding:10px 20px;
    border-bottom:2px solid #1055a3;
}
.mem_list ul{
    width: 263px;
    flex-wrap: wrap;
    padding:20px 15px;
    padding-top:10px;
    border-bottom: 1px dashed #c8c8c8;
}
.mem_list li{
    width: 80px;
    font-size:13px;
    margin-top:10px;
    text-align: center;
    display: inline-block;
}
.mem_list span{
    display: block;
    margin-top:3px;
}
.mem_btn{
    width: 263px;
    padding: 20px 15px;
}
.mem_tel {
    width: 263px;
    padding: 10px 15px 15px 15px;
}
.mem_login{
    width: 100px;
    padding:8px 10px;
    display: inline-block;
    font-size:14px;
    text-align: center;
}
.mem_btn img{
    display: block;
}
.dl{
    background: #1055a3;
    border:1px solid #1055a3;
    color:#fff;

}
.mfzc {
    background: #fff;
    border: 1px solid #1055a3;
    color:#1055a3;
}

.ad2_{
    width: 1200px;
    margin-top: 20px;
    margin-bottom: 20px;
}
/* 推荐企业 */
.company{
    width: 1200px;
    margin-top:20px;
    padding-top: 10px;    
    padding-bottom: 20px;
    font-size:0;
    background: white;
}
.comp_cont ul{
    width: 1180px;
    padding:0 10px;
    flex-wrap: wrap;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
}
.comp_cont li{
    width: 223px;
    display: inline-block;
    margin-top:15px;
    overflow: hidden;
}
.comp_cont img{
    width:223px;
    height: 138px;
    transition: all 0.6s; 
}
.comp_cont img:hover{
    transform: scale(1.1);  
    background-size:110%;
}
.comp_name{
    width: 223px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size:15px;
    margin-top:5px;
    text-align: center;
}
/* 工程项目 */
.pro_class {
    width: 1200px;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
    background: white;
}

.pro_left {
    width: 369px;
    padding-right: 15px;
    border-right: 1px solid #dcdcdc;
}

.pro {
    width: 369px;
    margin-top: 15px;
}

.pro_top {
    border-bottom: 1px solid #dcdcdc;
    padding: 4px 0;
}

.pro_top img {
    vertical-align: middle;
}

.pro_top h4 {
    color: #1055a3;
    font-size: 20px;
    font-weight: bold;
    vertical-align: middle;
}

.pro_more {
    float: right;
    color: #999999;
    font-size: 13px;
    margin-top:5px;
}

.pro_list {

    margin-top: 10px;
}

.pro_list ul {

    height: 219px;
}

.pro_list li {
    width: 369px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-size: 15px;
    color: #333;
    padding: 9px 0;
}

.pro_list li::before {
    content: '•';
    margin-right: 5px;
}

.sell_cont {
    width: 415px;
    padding: 0 15px;
    border-right: 1px solid #dcdcdc;

}

.sell_ {
    width: 415px;
    margin-top: 15px;
}

.sell_list {
    margin-top: 10px;
}

.sell_list li {
    width: 415px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-size: 15px;
    color: #333;
    padding: 9px 0;
}

.sell_list li::before {
    content: '•';
    margin-right: 5px;
}

.sell_ad ul{
    width: 415px;
    height: 228px;
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.sell_comp li {
    margin-top: 14px;
    width: 187px;
    font-size: 0;
    display: inline-block;
}

.sell_comp img {
    width: 187px;
    height: 100px;
}

.comp_right {
    width: 354px;
    padding-left: 15px;
    /* border-right:1px solid #dcdcdc; */
}

.job {
    width: 354px;
    margin-top: 15px;
}

.job_list {
    margin-top: 10px;
}

.job_list li {
    width: 354px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-size: 15px;
    color: #333;
    padding: 9px 0;
}

.job_list li::before {
    content: '•';
    margin-right: 5px;
}

/* 供应信息 */
.sell {
    width: 1200px;
    margin-top: 40px;
}

.sell_cont_ {
    width: 1200px;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
    /* background: white; */
}

.sell_class {
    width: 260px;
    background: #fff;
    border: 1px solid #eeeeee;
    border-top: 3px solid #005293;
    display: inline-block;
    vertical-align: middle;
}

.sell_hyfl h4 {
    width: 260px;
    color: #333;
    padding: 10px 0;
    text-align: center;
}

.sell_ul li {
    padding: 8px 0;
    font-size: 15px;
    border-bottom: 1px solid #eeeeee;
}

.sell_ul img {
    margin-left: 20px;
    vertical-align: middle;

}

.sell_ul span {
    margin-left: 10px;
    color: #262626;
    vertical-align: middle;
}

.sell_list_ ul {
    width: 913px;
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    vertical-align: middle;
}

.sell_list_ li {
    width: 160px;
    height: 235px;
    font-size:0;
    display: inline-block;
    text-align: center;
    margin-bottom: 10px;
}

.sell_list_ img {
    width: 160px;
    height: 160px;
    transition: 1s; 
}
.sell_list_ img:hover{
    box-shadow: 5px 5px 5px 5px #cacaca;
    transition: 1s; 
}
.sell_name {
    width: 160px;
    height: 43px;
    overflow: hidden;
    word-break: break-all;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-height: 21.5px;
    font-size: 13.8px;
    color: #414141;
}

.sell_price {
    display: inline-block;
    color: #e4393c;
    font-size: 13.5px;
    font-weight: 800;
    border-bottom: 3px solid #e4393c;
    margin-top: 5px;
}

.sell_comp {
    width: 203px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #666666;
    margin-top:5px;
    font-size: 13.4px;

}

/* 水利论文 */
.sell_cont {
    width: 415px;
    padding: 0 15px;
    border-right: 1px solid #dcdcdc;

}

.applic_list ul {
    height: 219px;
}

.applic_list li {
    width: 415px;
    font-size: 0;
    margin-top: 16px;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
}

.applic_img {
    width: 130px;
    display: inline-block;
}

.applic_img img {
    width: 130px;
    height: 90px;
}

.applic_des {
    width: 260px;
    display: inline-block;
}

.applic_name {
    width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 15px;
    color: #333;
}

.applic_intro {
    width: 260px;
    overflow: hidden;
    word-break: break-all;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-height: 22px;
    font-size: 13px;
    color: #777777;
    margin-top: 5px;
}

.exhib_list li {
    width: 344px;
    margin-top: 15px;
    position: relative;
    overflow: hidden ;
}

.exhib_list {
    font-size: 0;
}

.exhib_list img {
    width: 344px;
    height: 150px;
     transition: all 0.6s; 
}
.exhib_list img:hover{
    transform: scale(1.1);  
    background-size:110%;
}
.exh_name {
    width: 324px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: rgba(0, 0, 0, 0.6);
    padding: 5px 10px;
    color: #fff;
    font-size: 13px;
    position: absolute;
    bottom: 0px;
    left: 0;
}
.down ul{
    width: 415px;
    justify-content: space-between;
    align-items: center;
    display: inline-flex;
    flex-wrap: wrap;

}
.down li{
    width: 189px;
    font-size:0;
    position: relative;
    display: inline-block;
    margin-top:15px;
}
.down img{
    width: 189px;
    height: 100px;
}
.down_name{
    width: 169px;
    padding:5px 10px;
    font-size:13px;
    background: rgba(0,0,0,0.4);
    color:#fff;
    position: absolute;
    bottom:0;
    left:0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
/* 工程案例 */
.img_know {
    width: 1200px;
    padding:20px 0;
    font-size: 0;
}

.img {
    width: 858px;
    display: inline-block;

}

.img_cont ul {
    width: 858px;
    height: 396px;
    flex-wrap: wrap;
}

.img_cont img {
    width: 200px;
    height: 160px;

}

.img_cont li {
    width: 200px;
    display: inline-block;
    margin-top: 15px;
}

.img_name {
    width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 15px;
    text-align: center;
    margin-top: 3px;
}

/* 知识问答 */
.know {
    width: 300px;
    display: inline-block;
}
.comp_top {
    font-size: 0;
}

.comp_top h3 {
    font-size: 20px;
    /* padding: 5px 0; */
    border-left:6px solid #1055a3;
    /* margin-left:5px; */

}
.know_top {
    margin-top: 15px;
}

.know_list {
    width: 270px;
    height: 264px;
    background: #fff;
    padding: 10px 15px;
}

.know_list li {
    width: 270px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 15px;
    height: 35px;
    line-height: 35px;
}
.more_{
    display: inline-block;
    font-size:14px;
    color:#999999;
    float: right;
}