*, img, ul, li, a, p {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    list-style: none;
}

body {
    font-family: Arial, Arial;
    font-size: 14px;
    color: #333;
    background-color: #fff;
    font-style: normal;
    text-transform: none;
}

a {
    color: #337ab7;
    text-decoration: none;
}

a:hover,
a:focus {
    color: #23527c;
    text-decoration: none;
}

.clear_both {
    clear: both;
}


/* 顶部导航 */
.header{
    width: 100%;
    height: 86px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
}
.header .header-content{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header .header-content .header-logo{
    width: 133px;
    aspect-ratio: 133 / 46;
}
.header .header-content .header-logo img{
    width: 100%;
    height: 100%;
}
.header .header-content .header-logo img.active{
    display: none;
}

.header .header-content .header-nav-list{
    display: flex;
}
.header .header-content .header-nav-item{
    font-size: 16px;
    line-height: 86px;
    margin-right: 40px;
    position: relative;
}
.header .header-content .header-nav-item:last-child{
    margin-right: 0;
}
.header .header-content .header-nav-item>a{
    color: #FFFFFF;
    display: block;
    width: 100%;
    height: 100%;
}
.header .header-content .header-nav-item:hover>a{
    color: #15499A!important;
}


.sub-nav{
    background: #FFFFFF;
    position: absolute;
    top: 86px;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
    padding: 30px;
    display: none;
}
.sub-nav .sub-nav-item{
    font-weight: bold;
    font-size: 16px;
    color: #262626;
    line-height: 28px;
    white-space: nowrap;
    margin-top: 10px;
}
.sub-nav .sub-nav-item:first-child{
    margin-top: 0;
}
.sub-nav .sub-nav-item a{
    color: #262626;
}
.sub-nav .sub-nav-item .second-nav-title{
    font-weight: normal;
    font-size: 16px;
    color: #666666;
    line-height: 28px;
}
.sub-nav .sub-nav-item .second-nav-title a{
    color: #666666;
}
.nav-item-product:hover .product-sub-nav{
    display: block;
}
.nav-item-news:hover .news-sub-nav{
    display: block;
}



/* header active styles */
.header.header-active{
    background: #FFFFFF;
    border-bottom: 1px solid rgba(206, 206, 206, 1);
}
.header.header-active .header-logo img.normal{
    display: none;
}
.header.header-active .header-logo img.active{
    display: inline-block;
}
.header.header-active .header-content .header-nav-item>a{
    color: #1A1A1A;
}


@media screen and (min-width: 1000px) and (max-width: 1440px){
    .header{
        height: 70px;
    }
    .header .header-content{
        width: 900px;
    }
    .header .header-content .header-nav-item{
        line-height: 70px;
    }
    .sub-nav{
        top: 70px;
        padding: 20px;
    }
    .sub-nav .sub-nav-item,
    .sub-nav .sub-nav-item .second-nav-title{
        font-size: 14px;
        line-height: 24px;
    }
}
@media screen and (max-width: 1000px){
    .header{
        height: 56px;
    }
    .header .header-content{
        width: 700px;
    }
    .header .header-content .header-logo{
        width: 100px;
    }
    .header .header-content .header-nav-item{
        margin-right: 20px;
        font-size: 14px;
        line-height: 56px;
    }
    .sub-nav{
        top: 56px;
        padding: 15px;
    }
    .sub-nav .sub-nav-item,
    .sub-nav .sub-nav-item .second-nav-title{
        font-size: 12px;
        line-height: 18px;
    }
    .sub-nav .sub-nav-item{
        margin-top: 5px;
    }
}

.footer{
    width: 100%;
    background: #181818;
    padding-bottom: 20px;
}
.footer .footer-content{
    width: 1200px;
    margin: 0 auto;
}
.footer .footer-content .footer-nav{
    width: 100%;
    height: 96px;
    display: flex;
    align-items: center;
}
.footer .footer-content .footer-nav .footer-nav-item{
    font-size: 16px;
    color: #C7C7C7;
    line-height: 24px;
    text-align: center;
    margin-right: 40px;
}
.footer .footer-content .footer-nav .footer-nav-item:last-child{
    margin-right: 0;
}
.footer .footer-content .footer-nav .footer-nav-item a{
    color: #C7C7C7;
}
.footer .footer-content .footer-nav .footer-nav-item:hover a{
    color: #FFFFFF;
}
.footer .footer-content .footer-line{
    width: 100%;
    height: 1px;
    background-color: #3A3A3A;
    margin-bottom: 30px;
}
.footer .footer-content .footer-form{
    float: left;
    display: flex;
}
.footer .footer-content .footer-form .footer-email{
    width: 260px;
    height: 45px;
    border-radius: 4px;
    border: 1px solid #2D2D2D;
    outline: none;
    background: transparent;
    color: #FFFFFF;
    padding-left: 10px;
    font-size: 12px;
}
.footer .footer-content .footer-form .footer-form-btn{
    width: 100px;
    height: 45px;
    border-radius: 4px;
    border: 1px solid #2D2D2D;
    margin-left: 20px;
    font-size: 12px;
    color: #C7C7C7;
    line-height: 45px;
    text-align: center;
    cursor: pointer;
}
.footer .footer-content .footer-link{
    width: 16%;
    float: right;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 8px;
}
.footer .footer-content .footer-link .footer-link-item{
    margin-right: 16px;
}
.footer .footer-site_name{
    font-size: 12px;
    color: #C7C7C7;
    line-height: 54px;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .footer{
        padding-bottom: 15px;
    }
    .footer .footer-content{
        width: 900px;
    }
    .footer .footer-content .footer-nav{
        height: 80px;
    }
    .footer .footer-content .footer-nav .footer-nav-item{
        font-size: 14px;
        margin-right: 30px;
    }
    .footer .footer-content .footer-line{
        margin-bottom: 20px;
    }
    .footer .footer-site_name{
        line-height: 46px;
    }
}

@media only screen and (max-width: 1000px) {
    .footer{
        padding-bottom: 10px;
    }
    .footer .footer-content{
        width: 700px;
    }
    .footer .footer-content .footer-nav{
        height: 64px;
    }
    .footer .footer-content .footer-nav .footer-nav-item{
        font-size: 14px;
        margin-right: 25px;
    }
    .footer .footer-content .footer-line{
        margin-bottom: 15px;
    }
    .footer .footer-content .footer-form .footer-email,
    .footer .footer-content .footer-form .footer-form-btn{
        height: 36px;
        line-height: 36px;
    }
    .footer .footer-site_name{
        line-height: 36px;
    }
}




.right_fix {
    width: 64px;
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    box-shadow: 0 3px 21px 1px rgba(0,0,0,0.15);
    background: rgba(0, 0, 0, 0.75);
}
.right_fix .right_fix_connect {
    width: 64px;
    padding-top: 4px;
}
.right_fix .right_fix_connect .right_fix_box {
    width: 64px;
    height: 60px;
    font-size: 12px;
    color: #616161;
    line-height: 16px;
    cursor: pointer;
    position: relative;
    text-align: center;;
}
.right_fix .right_fix_connect .right_fix_box img {
    width: 24px;
    height: 24px;
    margin-top: 11px;
}
.right_fix .right_fix_connect .right_fix_box .right_fix_box_title {
    font-size: 12px;
    color: #FFFFFF;
    line-height: 14px;
    text-align: center;
    margin-top: 4px;
}
.right_fix .right_fix_connect .right_fix_box .right_fix_box_connect {
    display: none;
    width: 160px;
    height: 60px;
    position: absolute;
    left: -162px;
    top: 0;
    background: #FFFFFF;
    box-shadow: 0px 0px 6px 1px rgba(0,0,0,0.3);
}
.right_fix .right_fix_connect .right_fix_box.right_fix_email .right_fix_box_connect {
    width: 220px;
    left: -222px;
}
.right_fix .right_fix_connect .right_fix_box .right_fix_box_connect .right_fix_box_connect_arrow{
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-left: 15px solid #FFFFFF;
    position: absolute;
    right: -11px;
    width: 0;
    height: 0;
    top: 15px;
}
.right_fix .right_fix_connect .right_fix_box .right_fix_box_connect p {
    font-size: 16px;
    color: #262626;
    line-height: 21px;
    text-align: left;
    margin-left: 10px;
    margin-bottom: 0;
}
.right_fix .right_fix_connect .right_fix_box .right_fix_box_connect p:first-child {
    margin-top: 8px;
}
.right_fix .right_fix_connect .right_fix_box .right_fix_box_connect p a {
    color: #262626;
}

.right_fix .right_fix_connect .right_fix_box:hover .right_fix_box_connect {
    display: block;
}
.right_fix .right_fix_connect .right_fix_line {
    width: 50px;
    height: 1px;
    background: rgba(242, 242, 242, 0.2);
    margin: 0 auto;
}





/*弹窗*/
.popover_wrap {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 99999;
}

.popover_wrap .popover_container {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1212px;
    height: 586px;
    margin-top: -273px;
    margin-left: -606px;
    background: linear-gradient(180deg, #E6F1FF 0%, #FFFFFF 30%);
    border-radius: 24px;
    overflow: hidden;
    z-index: 1000;
}

.popover_wrap .popover_container .popover_close {
    float: right;
    margin-right: 20px;
    margin-top: 20px;
    cursor: pointer;
}

.popover_wrap .popover_container .popover_content {
    width: 1050px;
    margin-left: 80px;
    margin-top: 60px;
}

.popover_wrap .popover_container .popover_content .popover_title h2 {
    width: 100%;
    font-family: Arial-BoldMT, Arial-BoldMT;
    font-weight: bold;
    font-size: 40px;
    color: #333333;
    line-height: 44px;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.popover_wrap .popover_container .popover_content .popover_title .popover_title_description {
    width: 100%;
    font-family: ArialMT, ArialMT;
    font-weight: 400;
    font-size: 20px;
    color: #333333;
    line-height: 20px;
    text-align: center;
    font-style: normal;
    text-transform: none;
    margin-top: 20px;
}

.popover_wrap .popover_container .popover_content .popover_title .popover_title_description a:hover {
    color: #003F9B;
}

.popover_wrap .popover_container .popover_content .popover_form {
    width: 100%;
    margin-top: 40px;
}

.popover_wrap .popover_container .popover_content .popover_form .popover_form_name,
.popover_wrap .popover_container .popover_content .popover_form .popover_form_phone,
.popover_wrap .popover_container .popover_content .popover_form .popover_form_email {
    float: left;
}

.popover_wrap .popover_container .popover_content .popover_form .popover_form_phone,
.popover_wrap .popover_container .popover_content .popover_form .popover_form_email {
    margin-left: 16px;
}

.popover_wrap .popover_container .popover_content .popover_form .popover_form_name input,
.popover_wrap .popover_container .popover_content .popover_form .popover_form_phone input,
.popover_wrap .popover_container .popover_content .popover_form .popover_form_email input {
    width: 336px;
    height: 60px;
    background: #FFFFFF;
    border-radius: 30px 30px 30px 30px;
    padding-left: 20px;
    border: 1px solid #DCDCDC;
}

.popover_wrap .popover_container .popover_content .popover_form .popover_form_phone input{
    padding-left: 50px;
}

.popover_wrap .popover_container .popover_content .popover_form .popover_form_content textarea {
    width: 100%;
    height: 190px;
    margin-top: 20px;
    background: #FFFFFF;
    border-radius: 16px 16px 16px 16px;
    font-family: Arial, Arial;
    font-size: 16px;
    color: #999999;
    line-height: 32px;
    padding: 10px 20px;
    border: 1px solid #DCDCDC;
    resize: none;
}

.popover_wrap .popover_container .popover_content .popover_form .popover_form_submit {
    width: 220px;
    margin: 0 auto;
    margin-top: 30px;
}

.popover_wrap .popover_container .popover_content .popover_form .popover_form_submit button {
    width: 220px;
    height: 60px;
    background: #003F9B;
    border-radius: 30px 30px 30px 30px;
    border-width: 0;
    font-family: Arial, Arial;
    font-weight: bold;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 0px;
    font-style: normal;
    text-transform: none;
}


@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .popover_wrap .popover_container{
        width: 960px;
        height: 480px;
        margin-top: -240px;
        margin-left: -480px
    }
    .popover_wrap .popover_container .popover_content{
        width: 900px;
        margin-left: 30px;
        margin-top: 40px;
    }
    .popover_wrap .popover_container .popover_content .popover_title h2{
        font-size: 30px;
        line-height: 33px;
    }
    .popover_wrap .popover_container .popover_content .popover_title .popover_title_description{
        font-size: 18px;
    }
    .popover_wrap .popover_container .popover_content .popover_form{
        margin-top: 20px;
    }
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_name input,
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_phone input,
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_email input{
        width: 280px;
        height: 50px;
    }
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_content textarea{
        height: 160px;
    }
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_submit{
        width: 180px;
    }
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_submit button{
        width: 180px;
        height: 50px;
    }
}

@media only screen and (min-width: 700px) and (max-width: 1000px) {
    .popover_wrap .popover_container{
        width: 680px;
        height: 360px;
        margin-top: -180px;
        margin-left: -340px
    }
    .popover_wrap .popover_container .popover_content{
        width: 640px;
        margin-left: 20px;
        margin-top: 30px;
    }
    .popover_wrap .popover_container .popover_content .popover_title h2{
        font-size: 24px;
        line-height: 28px;
    }
    .popover_wrap .popover_container .popover_content .popover_title .popover_title_description{
        font-size: 16px;
        margin-top: 10px;
    }
    .popover_wrap .popover_container .popover_content .popover_form{
        margin-top: 10px;
    }
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_name input,
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_phone input,
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_email input{
        width: 200px;
        height: 40px;
    }
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_content textarea{
        height: 120px;
        margin-top: 10px;
    }
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_submit{
        width: 130px;
        margin-top: 15px;
    }
    .popover_wrap .popover_container .popover_content .popover_form .popover_form_submit button{
        width: 130px;
        height: 40px;

    }
}


.banner {
    width: 100%;
    position: relative;;
    overflow: hidden;
}
.banner img{
    width: 100%;
}
.banner .banner-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: #fff;
    font-weight: 700;
    text-align: center;
    width: 100%;
    z-index: 1;
}

.title{
    font-weight: bold;
    font-size: 50px;
    color: #1A1A1A;
    line-height: 54px;
    text-align: center;
}
.title-line{
    width: 60px;
    height: 4px;
    background: #15499A;
    margin: 0 auto;
}
.description{
    font-size: 12px;
    color: #666666;
    line-height: 14px;
    text-align: center;
    margin-top: 20px;
}
.content_wrap{
    width: 100%;
    background: #F6F9FF;
    padding-bottom: 60px;
}
.content{
    width: 1200px;
    margin: 40px auto;
}
.content .content-title{
    font-weight: bold;
    font-size: 40px;
    color: #262626;
    line-height: 28px;
    text-align: center;
    margin: 40px auto;
}
.crumb{
    width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #CECECE;
    line-height: 34px;
    font-size: 12px;
    color: #666666;
}
.crumb a{
    color: #666666;
}
.crumb span{
    color: #15499A;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .crumb{
        width: 900px;
    }
    .title{
        font-size: 40px;
        line-height: 44px;
    }
    .description{
        margin-top: 15px;
    }
    .content{
        width: 900px;
    }
    .banner .banner-text{
        font-size: 36px;
        line-height: 40px;
    }
}

@media only screen and (max-width: 1000px) {
    .crumb{
        width: 700px;
    }
    .title{
        font-size: 30px;
        line-height: 33px;
    }
    .description{
        margin-top: 10px;
    }
    .content{
        width: 700px;
    }
    .banner .banner-text{
        font-size: 24px;
        line-height: 27px;
    }
}