* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    width: 100%;
    min-width: 320px;
    margin: 0 auto;
    font: 14px/1.5;
    color: #333;
    overflow-x: hidden;
    font-family: "Open Sans", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Hiragino Sans GB", "WenQuanYi Micro Hei", "SourceHanSansCN", Arial, sans-serif;
    background: #fff;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

a:hover {
    color: #333;
}

i {
    font-style: normal;
}

button,
input,
textarea,
hr {
    border: none;
    outline: none;
}

.clear {
    clear: both;
}

table {
    border-collapse: collapse;
    max-width: 100%;
}

table td {
    border-collapse: collapse;
}

select {
    outline: unset;
}

input:focus,
button {
    outline: none;
}

iframe {
    width: 100%;
    height: 100%;
}

img {
    border: none;
}

/* 在Chrome浏览器下 */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

/* 在Firefox浏览器下 */
input[type="number"] {
    -moz-appearance: textfield;
}

body::-webkit-scrollbar,
.adver_industry_select::-webkit-scrollbar {
    display: none;
    width: 5px;
    height: 5px;
    background-color: rgba(0, 0, 0, .8);
}

.adver_industry_select::-webkit-scrollbar {
    display: block;
}

body::-webkit-scrollbar-track,
.adver_industry_select::-webkit-scrollbar-track {
    background-color: rgba(0, 0, 0, .8);
    border-radius: 2px;
}

body::-webkit-scrollbar-thumb,
.adver_industry_select::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, .5);
    border-radius: 2px;
}

body::-webkit-scrollbar-thumb:hover,
.adver_industry_select::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, .4);
}

body::-webkit-scrollbar-corner,
.adver_industry_select::-webkit-scrollbar-corner {
    background: rgba(0, 0, 0, .5);
}

.swiper-container {
    width: 100%;
    height: 100%;
}

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

.home_banner {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-direction: column;
}

.header {
    width: 100%;
    position: fixed;
    z-index: 12;
    top: 0;
    left: 0;
    right: 0;
}

.header_box {
    width: 100%;
    display: block;
    transition: 0.3s;
    padding: 0 4.375%;
    position: relative;
    z-index: 2;
}

.header.on .header_box,
.header.show .header_box,
.header.bg_white .header_box {
    background: #fff;
}

.header_main {
    width: 100%;
    /*1820*/
    max-width: 1747px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
    border-bottom: 1px solid #16276f;
}

.header .logo img {
    /*width: 249px;*/
    max-width: unset;
    height: 67px;
    object-fit: contain;
    display: block;
}

.header .logo {
    padding: 18px 0 14px;
}

.header_right {
    width: auto;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.header_right .header_web_btn {
    display: none;
}

.header_right .header_search {
    width: 43px;
    height: 67px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.header_right .header_search img {
    width: 20px;
    display: block;
    object-fit: contain;
    filter: url(#white-overlay);
}

.header .header_main .nav {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-left: 10%;
}

.header .header_main .nav .item {
    flex-grow: 1;
    max-width: 250px;
    display: block;
    font-size: 17px;
    line-height: 67px;
    color: #fff;
    cursor: pointer;
    padding: 0 10px;
}

.action--site-index .header .header_main .nav .item {
    color: #00125e;
}

.action--site-index .header .logo .logo_white {
    display: none;
}

.action--site-index .header .logo .logo_blue {
    display: block;
}

.header .header_main .nav .item.on,
.header .header_main .nav .item:hover {
    color: #f26521;
}

.header_mask {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 0 2%;
    background: rgba(237, 237, 237, .8);
    position: absolute;
    top: -300%;
    left: 0;
    right: 0;
    opacity: 0;
    z-index: 1;
    transition: .3s;
}

.header.on .header_mask {
    top: 100%;
    opacity: 1;
}

.header_mask .header_main {
    padding-right: 86px;
    border-bottom: 0;
}

.header_mask .header_main .nav {
    align-items: stretch;
}

.header_mask .header_main .nav .item {
    padding: calc(40rem / 16) 10px 3.125vw;
    transition: .3s;
}

.header_mask .header_main .nav .item a {
    width: 100%;
    display: block;
    font-size: 14px;
    line-height: 21px;
    padding: 10px 0;
    color: #313033;
    border-bottom: 1px solid #cac8cd;
    transition: .3s;
}

.header_mask .header_main .nav .item .item_first {
    display: none;
}

.header_mask .header_main .nav .item.on {
    background: linear-gradient(to bottom, rgba(255, 255, 255, .7), rgba(255, 255, 255, 0));
}

.header_mask .header_main .nav .item a:hover {
    color: #f26521;
    background: url("../images/icon_05.png") left center no-repeat;
    background-size: 12px;
    padding-left: 15px;
}

.top_nav.web_show {
    display: none !important;
}

@media screen and (max-width: 750px) {
    .top_nav.pc_show {
        display: none !important;
    }

    .top_nav.web_show {
        display: block !important;
    }

    .top_nav.web_show.hide {
        opacity: 0;
    }

    .header .header_box {
        border-bottom: 1px solid #16276f;
    }

    .header .header_box.on {
        background: #fff;
    }

    .header .header_main {
        border-bottom: 0;
    }

    .header .logo img {
        width: auto;
        height: 8.933vw;
    }

    .header .logo {
        padding: 2.4vw 0 1.866vw;
    }

    .header_right .header_search {
        height: 13.2vw;
        /*padding:2.4vw 3vw 1.866vw;*/
        padding: 0 3vw;
        width: auto;
    }

    .header_right .header_search img,
    .header_web_btn img {
        width: 3vw;
    }

    .header_right {
        /*padding:2.4vw 0 1.866vw;*/
        border-left: 1px solid #16276f;
    }

    .header .header_box .header_main .nav {
        position: fixed;
        top: 13.2vw;
        left: 100vw;
        padding-left: 0;
        background: #fff;
        transition: .3s;
        display: block;
    }

    .header .header_main .nav {
        border-top: 1px solid #16276f;
    }

    .header .header_main .nav .item {
        width: 100%;
        max-width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid #16276f;
        background: url("../images/icon_06.png") calc(100% - 10px) center no-repeat;
        background-size: 12px;
    }

    .header .header_box.on .header_main .nav .item {
        color: #16276f;
    }

    .header_right .header_web_btn {
        height: 13.2vw;
        display: flex;
        justify-content: center;
        align-items: center;
        width: 43px;
        border-left: 1px solid #16276f;
    }

    .header_web_btn img.on,
    .header_web_btn.on img.default {
        display: none;
    }

    .header_web_btn.on img.on {
        display: block;
    }

    .header_mask .header_main .nav .item .item_first {
        display: block;
        background: #16276f;
        padding: 10px;
        color: #fff;
    }

    .header_mask .header_main .nav .item .item_first p {
        width: 100%;
        display: block;
        font-size: 32px;
        line-height: 1.5;
    }

    .header_mask .header_main .nav .item .item_first .item_first_back {
        width: 100%;
        display: block;
        font-size: 16px;
        line-height: 1.5;
        padding-left: 16px;
        background: url("../images/icon_07.png") left center no-repeat;
        background-size: 12px;
    }

    .header_mask {
        top: 100%;
        opacity: 1;
        padding: 0;
        background: #fff;
        left: 100vw;
        z-index: 3;
    }

    .header_mask .header_main {
        width: 100%;
        padding-right: 0;
    }

    .header_mask .header_main .nav {
        padding-left: 0;
        display: block;
    }

    .header_mask .header_main .nav .item {
        display: none;
        padding: 0;
        background: unset;
    }

    .header_mask .header_main .nav .item a {
        padding: 10px;
        font-size: 16px;
        line-height: 30px;
    }

    .header_mask.on {
        left: 0;
    }

    .header_mask .header_main .nav .item.on {
        display: block;
    }
}

.no_bg {
    background: unset !important;
}

.search_mask {
    width: 100%;
    position: absolute;
    top: 100%;
    left: 100vw;
    right: 0;
    z-index: 1;
    transition: .5s;
    height: calc(100vh - 100px);
}

.search_mask.on {
    left: 0;
}

.mask_relative {
    width: 100%;
    height: 100%;
    position: relative;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    z-index: 1;
}

.search_mask_main {
    width: 640px;
    position: absolute;
    top: 0;
    right: -640px;
    z-index: 2;
    background: rgba(255, 255, 255, .8);
    padding: 20px 2%;
    transition: .5s;
}

.search_mask.on .search_mask_main {
    right: 0;
}

.search_mask_main form {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search_mask_main form input {
    width: 100%;
    height: 40px;
    border-left: 2px solid #f26724;
    padding-left: 20px;
    font-size: 16px;
    line-height: 40px;
    background: unset;
}

.search_mask_main form img {
    width: 40px;
    height: 40px;
    padding: 10px;
    object-fit: contain;
    display: block;
    cursor: pointer;
}

@media screen and (max-width: 750px) {
    .search_mask {
        height: calc(100vh - 13.2vw);
    }

    .search_mask_main {
        width: 100%;
    }
}

.footer {
    width: 100%;
    display: block;
    background: #16276f;
}

.footer .footer_main {
    width: 100%;
    padding: 20px 2% 10px;
    max-width: 1410px;
    display: block;
    margin: 0 auto;
}

.footer_box {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
}

.footer_box .item {
    width: 25%;
    flex-grow: 1;
    display: block;
    color: #fff;
    font-size: 14px;
    line-height: 32px;
}

.footer_box .item .item_first,
.footer_box .item .item_li {
    width: 100%;
    display: block;
    color: #fff;
}

.footer_box .item .item_first {
    color: #f26724;
    margin-bottom: 10px;
}

.footer_copyright {
    width: 100%;
    display: block;
    color: #fff;
    font-size: 14px;
    line-height: 32px;
}

.footer_copyright a {
    display: inline;
    color: #fff;
}

@media screen and (max-width: 750px) {
    .footer_box {
        flex-wrap: wrap;
    }

    .footer_box .item {
        width: 33.33%;
    }

    .footer_box .item:last-child {
        width: 100%;
    }
}

.header .header_main .nav .item {
    color: #fff;
}

.header.on .header_main .nav .item,
.header.bg_white .header_main .nav .item,
.header.show .header_main .nav .item {
    color: #16276f;
}

.action--site-index .header_right .header_search img,
.header.on .header_right .header_search img,
.header.bg_white .header_right .header_search img,
.header.show .header_right .header_search img {
    filter: unset;
}

.header .logo .logo_white,
.header.on .logo .logo_blue,
.header.bg_white .logo .logo_blue,
.header .header_box.on .logo .logo_blue,
.header.show .logo .logo_blue {
    display: block;
}

.header .logo .logo_blue,
.header.on .logo .logo_white,
.header.bg_white .logo .logo_white,
.header .header_box.on .logo .logo_white,
.header.show .logo .logo_white {
    display: none;
}

.mask {
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 20;
    display: none;
}

.mask .mask_relative {
    background: rgba(0, 0, 0, .3);
}

.no_pa_top_bottom {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}



.page {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 51px;
}

.page a {
    width: 36px;
    height: 36px;
    font-size: 16px;
    text-align: center;
    line-height: 36px;
    color: #777;
    display: block;
    border: 1px solid #bfbfbf;
    transition: all ease .3s;
    margin: 0 6px 6px 0;
}

.page a.current,
.page a:hover {
    background-color: #1537af;
    color: #fff;
    border-color: #1537af;
}

@media screen and (max-width: 750px) {
    .page {
        margin-top: 6.8vw;
    }

    .page a {
        width: 30px;
        height: 30px;
        line-height: 30px;
        font-size: 14px;
    }
}