/* reset */
* {
    padding: 0;
    margin: 0;
    border: 0;
    color: #333;
}

html,
body {
    position: relative;
    width: 100%;
    height: 100%;
    /* background-color: #fff; */
}

body {
    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #333;
}

ol,
ul {
    list-style: none;
}

a {
    text-decoration: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* swiper */
.swiper {
    width: 100%;
    height: 100%;
    margin-left: auto;
    margin-right: auto;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* common */
.clearfix::after {
    content: "";
    display: block;
    clear: both;
}

.common-img {
    display: block;
    width: 100%;
    height: auto;
}

.common-a {
    display: block;
    width: 100%;
    height: 100%;
}

.float-left {
    float: left;
}

.float-right {
    float: right;
}

.left {
    float: left;
    height: 100%;
}

.right {
    float: right;
    height: 100%;
}

.border-box {
    box-sizing: border-box;
}

.commmon-div {
    width: 100%;
    height: 100%;
}

.commmon-div-2 {
    width: 100%;
    height: auto;
}

.relative {
    position: relative;
}

.text-center {
    text-align: center;
}

.bold {
    font-weight: bold;
}

.bold1 {
    font-weight: 600;
}

.ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bg-cover {
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
}

.transition {
    transition: all 0.4s ease;
}

.transition-text {
    transition: all 0.2s ease;
}

.overflow-hidden {
    overflow: hidden;
}

/* 图片hover放大 */
.img-box {
    overflow: hidden;
}

.img-box img {
    transform: scale(1);
    transition: all 0.6s ease;
}

.img-box:hover img {
    transform: scale(1.1);
}

.img-box2 {
    overflow: hidden;
}

.img-box2 img {
    transform: scale(1);
    transition: all 0.6s ease;
}

.img-box2:hover img {
    transform: scale(1.2);
}

/* 图片在div里居中 */
.img-vertical-center {
    position: relative;
}

.img-vertical-center img {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}

/* 图片水平居中 */
.div-horizontal-center {
    position: relative;
}

.div-horizontal-center img {
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
}

/* div垂直居中 */
.index-box {
    position: relative;
}

.index-box .index-item {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

/* public */
.section {
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.index-section {
    box-sizing: border-box;
    padding-left: 7.5%;
    padding-right: 7.5%;
}

.index-section-2 {
    box-sizing: border-box;
    padding-left: 7.5%;
}

.wap-show {
    display: none;
}

.common-text {
    line-height: 1.5;
    color: #fff;
}

.common-lh {
    line-height: 1.5;
}

.s2-text {
    line-height: 1.5;
    color: #e8f2f7;
}

.head-foot-text {
    font-size: 18px;
    color: #fff;
}

.head-foot-fff {
    color: #fff;
}

.box-scale {
    transform: scale(1);
    position: relative;
    transition: all 0.5s ease;
    /* z-index: 1; */
    overflow: hidden;
}

.box-scale:hover {
    transform: scale(1.03);
    /* z-index: 999; */
    box-shadow: 2px 3px 15px 0px #e9e9e9da;
}

/* 产品列表 */
.s3_list_con {
    width: 200px;
    height: 500px;
    background-color: #164fb8;
    border-top-right-radius: 80px;
    padding: 30px 20px;
    box-sizing: border-box;
}

.s3_list_tit {
    font-size: 30px;
    padding-bottom: 40px;
    border-bottom: 1px solid #2c74ce;
}

.s3_list_con ul {
    margin-top: 20px;
}

.s3_list_con li {
    height: 50px;
    line-height: 50px;
}

.s3_list_con li a {
    color: #fff;
    font-size: 16px;
    /* background-color: red; */
}

.pro_list_arrow {
    position: absolute;
    right: 50px;
    top: 20px;
    width: 6px;
    height: 6px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
    transform: rotate(45deg);
    opacity: 0;
}

.s3_list_con li a:hover .pro_list_arrow {
    /* transform: translateX(5px); */
    opacity: 1;
    right: 45px;
}

/* head */
.head_box {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    padding-left: 5%;
    padding-right: 5%;
    background-color: rgba(4, 40, 97, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0px 2px 10px 0px rgba(100, 100, 100, 0.1);
    z-index: 20;
}

.head_logo {
    width: 15%;
    /* background-color: red; */
}

.head_logo img {
    height: 40px;
    width: auto;
    margin-top: 20px;
}

.head_nav {
    width: 75%;
    /* background-color: blue; */
}

.head_phone {
    width: 10%;
    /* background-color: #008c8c; */
    line-height: 80px;
    /* text-align: right; */
}

.head_phone .wx_box {
    width: 24px;
    height: 100%;
    /* background-color: red; */
    position: relative;
    margin-left: 50px;
}

.wx_box::after {
    content: '';
    display: inline-block;
    border: 5px solid transparent;
    border-bottom-color: #fff;
    position: absolute;
    top: 60px;
    left: 8px;
    height: 0;
    z-index: 30;
    opacity: 0;
    transition: all 0.3s ease;
}

.wx_box:hover::after {
    opacity: 1;
}

.head_nav .first_nav {
    line-height: 80px;
    /* background-color: red; */
    width: 12%;
    position: relative;
}

.public_nav .first_nav .first_nav_a {
    letter-spacing: 2px;
}

.head_nav .head_zinav {
    padding-bottom: 15px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    display: none;
    background-color: #fff;
    background-image: url(../images/head_second_nav.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    /* position: absolute; */
    width: 120%;
    /* left: -10%; */
    /* top: 80px; */
    height: auto;
}

.head_nav .first_nav:hover .head_zinav {
    display: block;
}

.head_nav .second_nav a {
    color: #1e57bb;
}

.head_nav .second_nav a:hover {
    color: #01286b;
}

.head_zinav .second_nav {
    height: 55px;
    line-height: 55px;
    text-align: left;
    box-sizing: border-box;
    padding-left: 20px;
}

.head_phone .wx_logo {
    width: 24px;
    height: 24px;
    margin-top: 28px;
    cursor: pointer;
}

.vx_ewm {
    position: absolute;
    top: 70px;
    right: -68px;
    width: 160px;
    height: 190px;
    background-color: #fff;
    box-sizing: border-box;
    padding: 10px 5px;
    opacity: 0;
    text-align: center;
    -webkit-transform-origin: center top;
    transform-origin: center top;
    -webkit-transform: scale(0);
    transform: scale(0);
    -webkit-transition: all .3s cubic-bezier(.16, .57, 0, .76);
    transition: all .3s cubic-bezier(.16, .57, 0, .76);
    -webkit-box-sizing: border-box;
}

.wx_box:hover .vx_ewm {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 1;
}

.vx_ewm p {
    font-size: 14px;
    color: #666;
    height: 20px;
    line-height: 20px;

}

.vx_ewm img {
    display: block;
    width: 150px;
    height: 150px;
}

.nav_open_arrow {
    position: absolute;
    right: 18px;
    top: 32px;
    width: 8px;
    height: 8px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
    transform: rotate(135deg);
}

.picture-whitening {
    filter: grayscale(100%) brightness(500%);
}

.head_box.active {
    background-color: #fff;
}

.head_box.active .picture-whitening {
    filter: none;
}

.head_box.active .head-foot-text,
.head_box.active .head-foot-fff {
    color: #333;
}

.head_box.active .nav_open_arrow {
    border-top: 2px solid #333;
    border-right: 2px solid #333;
}

.head_zinav .second_nav img {
    width: 15px;
    height: 15px;
    padding-right: 5px;
    transform: translateY(1px);
}

/* foot */
.wap_foot_contact {
    display: none;
}

.foot_box {
    width: 100%;
    height: 400px;
    background-color: #164fb8;
    padding-top: 70px;
    padding-left: 2.5%;
    padding-right: 2.5%;
}

.foot_box .foot_logo {
    width: 15%;
    /* background-color: red; */
}

.foot_logo img {
    width: 147px;
    height: 180px;
}

.foot_box .foot_nav {
    width: 55%;
    /* background-color: #008c8c; */
    box-sizing: border-box;
    padding: 0 80px;
}

.foot_box .foot_contact {
    width: 30%;
    /* background-color: red; */
}

.foot_nav .first_nav {
    width: 14%;
}

.foot_zinav {
    margin-top: 20px;
}

.foot_nav .second_nav {
    float: left;
    width: 100%;
    height: 35px;
    line-height: 35px;
}

.foot_nav .second_nav a {
    font-size: 14px;
    opacity: 0.6;
}

.foot_nav .second_nav a:hover {
    opacity: 1;
}

.foot_contact_img {
    margin-top: 30px;
}

.foot_contact_text div {
    margin-bottom: 35px;
}

.foot_contact_tit {
    /* font-size: 18px;
    color: #fff; */
    margin-bottom: 15px;
}

.foot_contact_phone {
    font-size: 32px;
    line-height: 1;
    /* color: #fff; */
}

.foot_contact_address {
    font-size: 14px;
    line-height: 1;
    /* color: #fff; */
}

.ewm_box span {
    font-size: 14px;
}

.copyright_box {
    width: 100%;
    height: 60px;
    line-height: 60px;
    background-color: #1144a2;
    padding-left: 10%;
    padding-right: 10%;
}

.copyright {
    font-size: 14px;
    /* color: #fff; */
    display: block;
}

.hongdian a {
    display: flex;
    align-items: center;
}

.hongdian span {
    /* color: #fff; */
    font-size: 14px;
}



@media (max-width: 1768px) {
    .nav_open_arrow {
        right: 13px;
    }

    .head_zinav .second_nav {
        padding-left: 18px;
    }

    /* .head_nav .second_nav a {
        font-size: 17px;
    } */
}

@media (max-width: 1680px) {
    .head-foot-text {
        font-size: 17px;
    }

    .head_zinav .second_nav {
        padding-left: 15px;
    }

    .head_nav .second_nav a {
        font-size: 17px;
    }

    .nav_open_arrow {
        right: 10px;
    }

    .foot_box .foot_nav {
        padding: 0 50px;
    }

    .foot_logo img {
        width: 117.6px;
        height: 144px;
    }

    .foot_contact_phone {
        font-size: 30px;
    }
}

@media (max-width: 1600px) {
    .head_zinav .second_nav {
        height: 50px;
        line-height: 50px;
    }

    .head_nav .second_nav a {
        font-size: 16px;
    }
}

@media (max-width: 1440px) {
    .head-foot-text {
        font-size: 16px;
    }

    .head_nav .second_nav a {
        font-size: 15px;
    }

    .head_zinav .second_nav img {
        padding-right: 3px;
    }

    .head_logo img {
        height: 36px;
        margin-top: 22px;
    }

    .head_zinav .second_nav {
        height: 45px;
        line-height: 45px;
    }

    .nav_open_arrow {
        right: 8px;
    }

    .foot_box .foot_nav {
        padding: 0 25px;
    }

    .foot_logo img {
        width: 88.2px;
        height: 108px;
    }

    .foot_zinav {
        margin-top: 10px;
    }

    .foot_contact_phone {
        font-size: 28px;
    }
}

@media (max-width: 1366px) {
    .head_nav .first_nav {
        width: 12.5%;
    }

    .head_zinav .second_nav {
        padding-left: 10px;
    }

    /* .head_phone img {
        transform: scale(0.9) translateY(3px);
    } */

    .index-section {
        padding-left: 5%;
        padding-right: 5%;
    }

    .index-section-2 {
        padding-left: 5%;
    }

    .foot_box .foot_nav {
        padding: 0 20px;
    }
}

@media (max-width: 1280px) {
    .head_box {
        padding-left: 2.5%;
    }

    .nav_open_arrow {
        right: 5px;
    }

    .head_zinav .second_nav {
        text-align: center;
        padding-left: 0;
    }

    .head_zinav .second_nav img {
        display: none;
    }

    .head_zinav .second_nav {
        height: 40px;
        line-height: 40px;
    }

    .s3_list_con li a {
        font-size: 15px;
    }

    .foot_box {
        padding-left: 5%;
        padding-right: 5%;
    }

    .foot_box .foot_nav {
        padding: 0 15px;
    }

    .foot_contact_img {
        display: none;
    }

    .foot_box .foot_logo {
        display: none;
    }

    .foot_box .foot_nav {
        width: 70%;
    }

    .foot_box .foot_contact {
        width: 30%;
    }

    .foot_contact_text {
        float: right;
    }

    .head_phone .wx_box {
        margin-left: 30px;
    }
}

@media (max-width: 1176px) {
    .foot_box {
        height: 380px;
        padding-top: 60px;
    }

    .foot_contact_phone {
        font-size: 26px;
    }

    .nav_open_arrow {
        right: 0;
    }
}

@media (max-width: 1152px) {
    .nav_open_arrow {
        right: 5px;
    }

    .foot_box .foot_nav {
        padding: 0 10px;
    }

    .foot_logo img {
        width: 73.5px;
        height: 90px;
    }
}

@media (max-width:1024px) {
    .gundong{
        overflow :hidden;
    }
    .wap-show {
        display: block;
    }

    .wap-hidden {
        display: none;
    }

    .foot_box .foot_logo {
        display: block;
    }

    .head_zinav .second_nav {
        text-align: left;
    }

    .head_nav .head_zinav {
        display: block;
        width: 100%;
        left: 0;
    }

    .head_box {
        height: 60px;
        padding: 0;
    }

    .head_logo {
        /* width: 50%; */
        width: calc(100% - 140px);
        box-sizing: border-box;
        padding-left: 20px;
    }

    .head_logo img {
        height: 30px;
        margin-top: 15px;
    }

    .wap_menu_box {
        /* width: 50%; */
        /* background-color: yellow; */
        width: 140px;
        /* background-color: red; */
    }

    .wap_menu {
        width: 120px;
        height: 40px;
        line-height: 40px;
        margin-top: 10px;
        border-radius: 30px;
        background-color: rgba(204, 204, 204, 0.4);
        box-sizing: border-box;
        padding: 0 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .wap_menu span {
        font-size: 16px;
        /* color: #303E48; */
        color: #01286b;
        font-weight: 600;
    }

    .menu_switch {
        width: 22px;
        height: 14px;
        /* background-color: red; */
    }

    .menu_switch span {
        position: absolute;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: #01286b;
        transition: all 0.3s;
    }

    .menu_switch span:nth-child(1) {
        top: 0;
    }

    .menu_switch span:nth-child(2) {
        top: 50%;
        margin-top: -1px;
    }

    .menu_switch span:nth-child(3) {
        bottom: 0;
    }

    .wap_menu.active .menu_switch span:nth-child(1) {
        top: 50%;
        margin-top: -1px;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }

    .wap_menu.active .menu_switch span:nth-child(2) {
        opacity: 0;
    }

    .wap_menu.active .menu_switch span:nth-child(3) {
        bottom: 50%;
        margin-bottom: -1px;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }

    .head_nav {
        width: 100%;
        height: 100vh;
        box-sizing: border-box;
        padding-bottom: 200px !important;
        overflow-y: auto;
        display: none;
        background-color: rgba(21, 78, 183, 0.9);
    }

    .open {
        display: block;
    }

    .to-bg {
        background-color: rgba(21, 78, 183, 0.9);
    }

    .wap_menu_box.active {
        background-color: rgba(21, 78, 183, 0.9);
    }

    .head_nav .first_nav {
        width: 100%;
        height: auto;
        line-height: 60px;
        text-align: left;
        box-sizing: border-box;
        padding-left: 20px;
        padding-right: 20px;
        border-bottom: 1px solid #f1f1f1;
    }

    .nav_open_arrow {
        right: 20px;
        top: 25px;
        transform: rotate(45deg);
    }

    .head_box.active .head-foot-text,
    .head_box.active .head-foot-fff {
        color: #fff;
    }

    .head_box.active .nav_open_arrow {
        border-top: 2px solid #fff;
        border-right: 2px solid #fff;
    }

    .head_nav .head_zinav {
        display: none;
        height: auto;
        width: 100%;
        background: none;
        padding-bottom: 0;
        /* background-color: red; */
    }

    .head_zinav .second_nav {
        height: 50px;
        line-height: 50px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.3);
        padding-left: 30px;
    }

    .head_zinav .second_nav:last-child {
        border-bottom: none;
    }

    .head_nav .second_nav a {
        color: #fff;
    }

    .head_zinav .second_nav:first-child {
        border-top: 1px solid rgba(255, 255, 255, 0.3);
    }

    .foot_box {
        height: 360px;
        padding-left: 10%;
        padding-right: 10%;
    }

    .foot_box .foot_logo {
        width: 100%;
        height: 100px;
        margin-bottom: 35px;
    }

    .foot_logo.div-horizontal-center img {
        margin: 0;
    }

    .wap_foot_contact {
        display: block;
        width: 100%;
    }

    .wap_foot_contact p {
        font-size: 18px;
        color: #fff;
        line-height: 2;
        margin-bottom: 10px;
    }

    .copyright_box {
        width: 100%;
        height: 120px;
        text-align: center;
    }

    .copyright,
    .hongdian {
        width: 100%;
        height: 50px;
        line-height: 50px;
    }

    .copyright {
        line-height: 25px;
        margin-top: 10px;
    }

    .hongdian {
        padding-bottom: 10px;
    }

    .hongdian a {
        justify-content: center;
    }
}

@media (max-width:820px) {}

@media (max-width:768px) {
    .foot_box {
        padding-left: 10%;
        padding-right: 5%;
    }

    .wap_foot_contact p {
        font-size: 16px;
    }
}