/*轮播图开始*/
.banner {
    position: relative;
    height: 500px;
    width: 100%;
    overflow: hidden;
}

.banner_tab>li {
    width: 100%;
    height: 480px;
    background-size: cover; /* 关键修改 */
    background-position: center;
    background-repeat: no-repeat;
}

.banner_tab>li:nth-child(1) {
    background-image: url("../images/index_banner_00.png");
}

.banner_tab>li:nth-child(2) {
    background-image: url("../images/index_banner_01.png");
}

.banner_tab>li:nth-child(3) {
    background-image: url("../images/index_banner_02.png");
}

/* 小屏幕适配 */
@media (max-width: 768px) {
    .banner_tab>li {
        height: 300px;
    }
    .banner {
        height: 320px;
    }
}

/* 其他样式保持不变 */
.banner_sm_tab {
    position: relative;
    left: 0;
    right: 0;
    top: -40px;
    text-align: center;
}

.banner_sm_tab a {
    display: inline-block;
    width: 70px;
    height: 5px;
    background-color: #242424;
    cursor: pointer;
}

.banner_rap {
    position: relative;
    left: 0;
    right: 0;
    top: -340px;
}

.banner_rap a {
    display: block;
    width: 50px;
    height: 90px;
}

.banner_rap a:nth-child(1) {
    background-image: url("../images/banner_left.png");
    float: left;
    margin-left: -50px;
}

.banner_rap a:nth-child(2) {
    background-image: url("../images/banner_right.png");
    float: right;
    margin-right: -50px;
}
/*轮播图结束*/
/*热销产品开始*/
.title_big{
    text-align: center;
    font-size: 34px;
    padding: 35px 0;
    height: 30px;
}
.hot_pro_index >div{
    display: inline-block;
    vertical-align: top;
    width: 288px;
    margin: 5px 5px 20px;
}
.hot_pro_index >div img{
    border: 1px solid #cccccc;
    width: 288px;
    height: 215px;
}
.hot_pro_index >div:first-child{
    margin-left: 0;
}
.hot_pro_index >div:last-child{
    margin-right: 0;
}
.hot_pro_index >div>p{
    width: 200px;
    height: 40px;
    text-align: center;
    margin: 0 auto;
    background: #2958a5;
    margin-top: 15px;
}
.hot_pro_index >div>p a{
    color: #fff;
    line-height: 45px;
}
.hot_pro_des{
    position: relative;
}

.hot_pro_des dl{
    display: none;
    width: 270px;
    height: 175px;
    background-color: rgba(50,72,106,0.8);
    padding: 20px 10px;
    position: absolute;
    top: 1px;
}
.hot_pro_des dl p{
    font-size: 14px;
    color: #fff;
    line-height: 30px;
}
.hot_pro_des dl p span{
    color: #f6e049;
    margin-right: 3px;
}
.hot_pro_des dl a span{
    display: inline-block;
    vertical-align: middle;
    color: #fff;
}
.hot_pro_des dl a i{
    display: inline-block;
    vertical-align: middle;
    width: 50px;
    height: 5px;
    background-image: url('../images/hot_more_right_b.png');
    margin-left: 5px;
}
.hot_pro_des:hover dl{
    display: block;
}
/*热销产品结束*/

/*关于我们开始*/
.index_about{
    background-image: url("../images/index_about_bg.png");
}
.index_about_top>div{
    display: inline-block;
    vertical-align: top;
}
.index_about_top>div:nth-child(2){
    width: 625px;
    float: right;
    color: #fff;
}
.index_about_top h3{
    font-weight: bold;
    font-size: 27.5px;
    line-height: 60px;
    color: #000;
}
.index_about_top p{
    font-size: 14px;
    line-height: 25px;
    margin-bottom: 3px;
    color: #fff;
}
.index_about_top video{
    width: 540px;
    height: 350px;
    margin-top: 22px;
}
.index_about_bottom >div{
    display: inline-block;
    vertical-align: top;
    margin: 25px 10px;
}
.index_about_bottom >div img{
    width: 280px;
}
.index_about_bottom >div:first-child{
    margin-left: 0;
 }
.index_about_bottom >div:last-child{
    margin-right: 0;
}
/*关于我们结束*/

/*<!--Company Advantages-->*/
.adv{

}
.adv_des>div{
    display: inline-block;
    vertical-align: top;
    margin: 50px 30px;
    text-align: center;
}
.adv_des>div img{
    margin-bottom: 20px;
}
/*<!--Company Advantages-->*/


/*news*/
.index_news{
    background-color: #efefef;
    height: 565px;
    overflow: hidden;
}
.index_news_left>h3 ,.index_news_right>h3{
    line-height: 46px;
    font-size: 27px;
}
.index_news_des>div{
    display: inline-block;
    vertical-align: top;
}
.index_news_des>div:nth-child(1){
    width: 685px;
}
.index_news_first{
    width: 661px;
    height: 185px;
    border: 1px solid #fff;
    background-color: #fff;
    padding: 25px 12px;
}
.index_news_first:hover{
    border: 1px solid #305aa0;
}
.index_news_first>div{
    display: inline-block;
    vertical-align: middle;
}
.index_news_first>div:nth-child(1){
    width: 238px;
    height: 185px;
}

.index_news_first>div:nth-child(2){
    width: 380px;
    float: right;
}
.index_news_first>div:nth-child(2) h3{
    font-size: 16px;
    font-weight: bold;
    line-height: 27px;
}
.index_news_first>div:nth-child(2)> p{
    font-size: 14px;
    color: #666666;
    height: 120px;
    margin-top: 5px;
    overflow: hidden;
}
.news_first_data>p{
    display: inline-block;
    vertical-align: top;
    font-weight: bolder;
    color: #345ea4!important;
}
.news_first_data>p:nth-child(2){
    float: right;
    vertical-align: middle;
    margin-right: 10px;
}
.news_first_data>p:nth-child(2) a span{
    display: inline-block;
    margin-right: 3px;
    font-weight: bolder;
    color: #345ea4!important;
}
.news_first_data>p:nth-child(2) a i{
    display: inline-block;
    vertical-align: middle;
    width: 50px;
    height: 5px;
    background-image: url("../images/more_right_b.png");
}


.index_nes_title{
    margin-top: 15px;
}
.index_nes_title h3 ,.index_nes_title  p{
    display: inline-block;
    vertical-align: top;
    font-weight: bolder;
    line-height: 27px;
}
.index_nes_title  p{
    float: right;
}
.index_new_list >a >p{
    font-size: 14px;
    color: #666666;
}
.index_new_list:hover .index_nes_title h3,.index_new_list:hover .index_nes_title p{
    color: #305aa0;
}

.index_news_left li{
    height: 85px;
    border-bottom: 1px dashed #dbdbdb;
}

.index_news_right{
    width: 475px;
    float: right;
}
.index_report{
    transition: all 0.6s;
}
.index_report_des{
    width: 455px;
    height: 160px;
    background-color: #fff;
    padding: 30px 10px;
}
.index_report_des>div{
    display: inline-block;
    vertical-align: middle;
}
.index_report_des>div:nth-child(2){
    width: 230px;
    float: right;
}
.index_report_des>div:nth-child(2) h4{
    font-size: 16px;
    font-weight: bolder;
}
.index_report_des:hover h4{
    color: #0D47A1;
}
.index_report_des>div:nth-child(2) p{
    font-size: 14px;
    color: #666666;
    line-height: 20px;
    height: 80px;
    margin-bottom: 25px;
}
.index_report_des img{
    width: 210px;
    height: 160px;
}
.report_go p{
    display: inline-block;
    vertical-align: top;
    width: 50px;
    height: 30px;
    cursor: pointer;
}
.report_go p:nth-child(1){
    background-image: url("../images/go_left.png");
}
.report_go p:nth-child(2){
    background-image: url("../images/go_right.png");
    margin-left: -5px;
}
.report_go{
    float: right;
    position: relative;
    left: 0;
    top: -35px;
}


/*联系方式*/
.index_contact{
    background: url("../images/index_contact.png") no-repeat center;
}
.index_con_left p i , .index_con_left p a{
    display: inline-block;
    vertical-align: middle;
    color: #fff;
    margin-left: 10px;
    font-size: 18px;
}
.index_con_left p:nth-child(1){
    margin-bottom: 30px;
}
.index_con_left p:nth-child(1) i{
    background-image: url("../images/email_big.png");
    width: 44px;
    height: 31px;
}
.index_con_left p:nth-child(2) i{
    background-image: url("../images/whtsup_big.png");
    width: 42px;
    height: 39px;
}
.index_contact_des>div{
    display: inline-block;
    vertical-align: middle;
}
.index_contact_des>div:nth-child(1){
    float: left;
}
.index_contact_des>div:nth-child(2){
    float: right;
    width: 55%;
    text-align: center;
}
.index_contact_des>div:nth-child(2) p{
    font-size: 30px;
    font-family: Corbel;
    color: #fff;
}
.index_contact_des>div:nth-child(2)  ul li{
    /* display: inline-block; */
    color: #fff;
    margin-top: 50px;
    list-style: disc !important;
    float: left;
    margin-right: 28px;
}

/*<!--customers-->*/
.customers_des>div{
    display: inline-block;
    vertical-align: top;
}
.customers_des>div img{
    display: block;
    transition: all 0.6s;
}
.customers_des>div img:nth-child(1){
    margin-bottom: 5px;
}
.customers_des>div img:hover{
    transform: scale(1.02);
}
.index_video{
    margin-top: 22px;
    /*background: url('../images/video_cover.jpg');*/
}
.cover_video{
    width:540px;
    height:0px;
    position: relative;
}
.cover_video img{
    width:540px;
    height:350px;
    position: absolute;
    top: -605px;
}