*, 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: 1200px;
    height: 140px;
    position: fixed;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    background-color: rgba(5, 1, 1, 0.9);
}
.header .header-logo{
    width: 145px;
    aspect-ratio: 145 / 50;
    margin: 45px 20px;
    float: left;
}
.header .header-logo img{
    width: 100%;
    height: 100%;
}
.header .header-nav{
    float: right;
    height: 100%;
    margin-right: 40px;
}
.header .header-nav .nav-item{
    height: 100%;
    padding: 52px 0;
    font-size: 16px;
    line-height: 36px;
    color: #fff;
    cursor: pointer;
    text-align: center;
    float: left;
    margin-left: 20px;
    position: relative;
}
.header .header-nav .nav-item>a{
    color: #fff;
    display: block;
    width: 100%;
    height: 36px;
    padding: 0 18px;
    border: 1px solid transparent;
}
.header .header-nav .nav-item:hover>a{
    border: 1px solid #15499A;
}




/* nav product category styles */
.header .product-nav,
.header .about-nav{
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
    position: absolute;
    top: 140px;
    left: 50%;
    transform: translateX(-50%);
    width: 240px;
    background-color: #303030;
    z-index: 999;
}
.header .header-nav .nav-item-product:hover .product-nav,
.header .nav-item-about:hover .about-nav{
    max-height: 500px;
}
.header .about-nav{
    width: 180px;
}
.header .product-nav .product-nav-item,
.header .about-nav .about-nav-item{
    line-height: 24px;
}
.header .product-nav .product-nav-item:first-child,
.header .about-nav .about-nav-item:first-child{
    margin-top: 15px;
}
.header .product-nav .product-nav-item:last-child,
.header .about-nav .about-nav-item:last-child{
    margin-bottom: 15px;
}
.header .product-nav .product-nav-item a,
.header .about-nav .about-nav-item a{
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    line-height: 36px;
    text-align: center;
}
.header .product-nav .product-nav-item a:hover,
.header .about-nav .about-nav-item a:hover{
    color: #fff;
}


@media screen and (min-width: 1000px) and (max-width: 1440px){
    .header{
        width: 900px;
        height: 100px;
        top: 20px;
    }
    .header .header-logo{
        margin: 30px 10px;
        width: 125px;
    }
    .header .header-nav{
        margin-right: 20px;
    }
    .header .header-nav .nav-item{
        padding: 32px 0;
        margin-left: 10px;
    }
    .header .header-nav .nav-item>a{
        padding: 0 10px;
    }
    .header .product-nav,
    .header .about-nav{
        top: 100px;
    }
}
@media screen and (max-width: 1000px){
    .header{
        width: 700px;
        height: 80px;
        top: 10px;
    }
    .header .header-logo{
        margin: 24px 10px;
        width: 100px;
    }
    .header .header-nav{
        margin-right: 10px;
    }
    .header .header-nav .nav-item{
        padding: 22px 0;
        margin-left: 0;
        font-size: 14px;
    }
    .header .header-nav .nav-item>a{
        padding: 0 8px;
    }
    .header .product-nav,
    .header .about-nav{
        top: 80px;
    }
    .header .product-nav .product-nav-item a,
    .header .about-nav .about-nav-item a{
        font-size: 12px;
        line-height: 30px;
    }
    .header .product-nav .product-nav-item:first-child,
    .header .about-nav .about-nav-item:first-child{
        margin-top: 10px;
    }
    .header .product-nav .product-nav-item:last-child,
    .header .about-nav .about-nav-item:last-child{
        margin-bottom: 10px;
    }
    .header .product-nav{
        width: 190px;
    }
    .header .about-nav{
        width: 150px;
    }
}





.footer{
    width: 100%;
    background-color: #262626;
    padding-top: 40px;
}
.footer .footer-content{
    width: 1200px;
    margin: 0 auto;
}
.footer .footer-content .footer-products{
    width: 21%;
    float: left;
}
.footer .footer-content .footer-products .footer-products-title,
.footer .footer-content .footer-contact .footer-contact-title{
    font-family: Arial, Arial;
    font-weight: bold;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 22px;
    margin-bottom: 20px;
}
.footer .footer-content .footer-products .footer-products-list{
    width: 100%;
}
.footer .footer-content .footer-products .footer-products-list .footer-products-item{
    width: 100%;
    margin-bottom: 20px;
    font-family: Arial, Arial;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 16px;
    background: url("../images/footer-more.webp") no-repeat 95% center;
    cursor: pointer;
}
.footer .footer-content .footer-products .footer-products-list .footer-products-item:hover {
    font-weight: bold;
}
.footer .footer-content .footer-contact{
    width: 23.5%;
    float: left;
    margin-left: 12.4%;
}
.footer .footer-content .footer-contact .footer-contact-list{
    width: 100%;
}
.footer .footer-content .footer-contact .footer-contact-list .footer-contact-item{
    width: 100%;
    margin-bottom: 20px;
    font-family: Arial, Arial;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 24px;
    padding-left: 20px;
    background: url("../images/footer-email.webp") no-repeat left 5px;
}
.footer .footer-content .footer-contact .footer-contact-list .footer-contact-address{
    background-image: url("../images/footer-address.webp");
}
.footer .footer-content .footer-contact .footer-contact-list .footer-contact-tel{
    background-image: url("../images/footer-tel.webp");
}
.footer .footer-content .footer-contact .footer-contact-list .footer-contact-wechat{
    background-image: url("../images/footer-wechat.webp");
}
.footer .footer-content .footer-form{
    width: 33%;
    float: left;
    margin-left: 10%;
}
.footer .footer-content .footer-form .footer-form-item{
    width: 100%;
}
.footer .footer-content .footer-form .footer-form-item .footer-form-item-title{
    font-family: Arial, Arial;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 22px;
    width: 30%;
    float: left;
}
.footer .footer-content .footer-form .footer-form-item input{
    width: 70%;
    height: 22px;
    border: none;
    background-color: #262626;
    font-family: Arial, Arial;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 22px;
    padding-left: 10px;
}
.footer .footer-content .footer-form .footer-form-item input:focus{
    outline: none;
}
.footer .footer-content .footer-form .footer-form-item .intl-tel-input{
    width: 70%;
}
.footer .footer-content .footer-form .footer-form-item .intl-tel-input input{
    padding-left: 50px;
    width: 100%;
}
.footer .footer-content .footer-form .footer-form-line{
    width: 100%;
    height: 1px;
    background-color: #646464;
    margin: 15px 0;
}
.footer .footer-content .footer-form .footer-form-item .footer-form-item-btn{
    width: 100%;
    height: 60px;
    background: #FFFFFF;
    font-family: Arial, Arial;
    font-size: 20px;
    color: #15499A;
    line-height: 60px;
    text-align: center;
    cursor: pointer;
}
.footer .footer-content .footer-nav{
    width: 100%;
    /*margin-bottom: 60px;*/
    height: 40px;
}
.footer .footer-content .footer-nav .footer-logo{
    width: 117px;
    display: flex;
    justify-content: center;
    align-items: center;
    float: left;
}
.footer .footer-content .footer-nav .footer-nav-list{
    float: left;
    margin-left: 40px;
}
.footer .footer-content .footer-nav .footer-nav-item{
    float: left;
    font-family: Arial, Arial;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 40px;
    text-align: center;;
}
.footer .footer-content .footer-nav .footer-nav-item a{
    float: left;
}
.footer .footer-content .footer-nav .footer-nav-item .footer-nav-item-line{
    width: 1px;
    height: 6px;
    background-color: #FFFFFF;
    margin: 17px 20px;
    float: left;
}
.footer .footer-content .footer-nav .footer-nav-item a{
    color: #FFFFFF;
}
.footer .footer-content .footer-nav .footer-link{
    width: 16%;
    float: right;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 8px;
}
.footer .footer-content .footer-nav .footer-link .footer-link-item{
    margin-right: 16px;
}
.footer .footer-line{
    width: 100%;
    height: 1px;
    background-color: #646464;
    margin: 20px 0;
}
.footer .footer-line.footer-line-top{
    margin-bottom: 40px;
}
.footer .footer-line.footer-line-bottom{
    margin-top: 40px;
}
.footer .footer-site_name{
    width: 100%;
    height: 36px;
    background-color: #262626;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 16px;
    text-align: center;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .footer .footer-content{
        width: 900px;
    }
    .footer .footer-content .footer-products{
        width: 26%;
    }
    .footer .footer-content .footer-contact{
        margin-left: 7.4%;
    }
    .footer .footer-content .footer-nav .footer-nav-item .footer-nav-item-line{
        margin: 17px 10px;
    }
    .footer .footer-content .footer-form .footer-form-item .footer-form-item-title{
        font-size: 16px;
    }
    .footer .footer-content .footer-form .footer-form-item .footer-form-item-btn{
        font-size: 16px;
        height: 50px;
        line-height: 50px;
    }

}

@media only screen and (max-width: 1000px) {
    .footer .footer-content{
        width: 700px;
    }
    .footer .footer-content .footer-products{
        width: 31%;
    }
    .footer .footer-content .footer-contact{
        width: 28.5%;
        margin-left: 2.4%;
    }
    .footer .footer-content .footer-form{

        margin-left: 3%;
    }
    .footer .footer-content .footer-nav .footer-nav-item .footer-nav-item-line{
        margin: 17px 10px;
    }
    .footer .footer-content .footer-products .footer-products-title, .footer .footer-content .footer-contact .footer-contact-title{
        font-size: 18px;
    }
    .footer .footer-content .footer-products .footer-products-list .footer-products-item{
        font-size: 12px;
    }
    .footer .footer-content .footer-form .footer-form-item .footer-form-item-title{
        font-size: 16px;
    }
    .footer .footer-content .footer-contact .footer-contact-list .footer-contact-item{
        font-size: 12px;
        margin-bottom: 10px;
    }
    .footer .footer-content .footer-form .footer-form-item .footer-form-item-btn{
        font-size: 16px;
        height: 40px;
        line-height: 40px;
    }
    .footer .footer-content .footer-nav .footer-nav-item{
        font-size: 12px;
    }
    .footer .footer-content .footer-nav .footer-logo{
        display: none;
        width: 120px;
        margin-top: 8px;
        margin-right: 10px;
    }
    .footer .footer-content .footer-nav .footer-nav-list{
        margin-left: 0;
    }
    .footer .footer-content .footer-nav .footer-link .footer-link-item{
        margin-right: 10px;
    }
}




.right_fix {
    width: 64px;
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    box-shadow: 0 3px 20px 1px rgba(26,26,26,0.2);
    border-radius: 0 8px 8px 0;
}
.right_fix .right_fix_connect {
    width: 64px;
}
.right_fix .right_fix_connect .right_fix_box {
    width: 64px;
    height: 64px;
    background: #FFFFFF;
    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: 28px;
    height: 28px;
    margin-top: 11px;
}
.right_fix .right_fix_connect .right_fix_box .right_fix_box_connect {
    display: none;
    width: 160px;
    height: 64px;
    position: absolute;
    left: 68px;
    top: 0;
    background: #FFFFFF;
    box-shadow: 0 0 15px 1px rgba(0, 0, 0, 0.16);
}
.right_fix .right_fix_connect .right_fix_box.right_fix_email .right_fix_box_connect {
    width: 220px;
}
.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-right: 15px solid #FFFFFF;
    position: absolute;
    left: -11px;
    width: 0;
    height: 0;
    top: 20px;
}
.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: 11px;
}
.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;
}




/*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: calc(50% + 60px);
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: #fff;
    font-weight: 700;
    text-align: center;
    width: 100%;
    z-index: 1;
}

.banner .banner-text .banner-text-title {
    font-family: Arial, Arial;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 60px;
    font-style: normal;
    text-transform: none;
}

.banner .banner-text .banner-text-content {
    font-family: Arial, Arial;
    font-weight: 400;
    font-size: 24px;
    line-height: 24px;
    font-style: normal;
    text-transform: none;
    margin-top: 20px;
}

.title{
    font-weight: bold;
    font-size: 40px;
    color: #262626;
    text-align: center;
}

.content{
    width: 1200px;
    margin: 60px auto;
}
.content .content-title{
    font-family: Arial, Arial;
    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 #E5E5E5;
    line-height: 34px;
    font-size: 12px;
    color: #1A1A1A;
}
.crumb a{
    color: #1A1A1A;
}
.crumb span{
    color: #2980D3;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .crumb{
        width: 900px;
    }
    .title{
        font-size: 36px;
    }
    .content{
        width: 900px;
        margin: 50px auto;
    }
}

@media only screen and (min-width: 700px) and (max-width: 1000px) {
    .crumb{
        width: 700px;
    }
    .title{
        font-size: 30px;
    }
    .content{
        width: 700px;
        margin: 40px auto;
    }
}