:root {
    --font-size: 16px;
    font-size: var(--font-size)
}

.cos-container {
    width: 1400px;
    margin: 0 auto
}

.swiper-pagination-bullets {
    width: max-content !important
}

.flex-row {
    display: flex;
    flex-direction: row
}

header {
    position: sticky;
    top: 0;
    z-index: 99
}

.flex-col {
    display: flex;
    flex-direction: column
}

.justify-between {
    justify-content: space-between
}

.justify-center {
    justify-content: center
}

.justify-start {
    justify-content: flex-start
}

.justify-end {
    justify-content: flex-end
}

.align-center {
    align-items: center
}

.align-start {
    align-items: flex-start
}

.align-end {
    align-items: flex-end
}

.relative {
    position: relative
}

.position-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%)
}

.grid {
    display: grid
}

a:hover {
    text-decoration: none
}

html {
    overflow: visible
}

body {
    line-height: 1.5;
    font-size: var(--font-size)
}

.page-content {
    position: relative
}

.page-content .page-content-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2
}

.pc-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 100%;
    padding: 0 5rem;
    transition: all .4s ease-in-out;
    background: #ececec;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.1)
}

.pc-header .card-body {
    border: none
}

.pc-header .pc-header-wrapper {
    align-items: stretch
}

.pc-header .pc-header-wrapper .pc-logo {
    transition: all .4s ease-in-out;
    position: relative;
    flex-shrink: 0;
    width: 5.81rem;
    padding: 2rem 0
}

.pc-header .pc-header-wrapper .pc-logo .white-logo {
    transition: all .4s ease-in-out;
    display: none !important
}

.pc-header .pc-header-wrapper .pc-logo .black-logo {
    display: block !important;
    opacity: 1
}

.pc-header .pc-header-wrapper .nav-lists {
    flex: 1
}

.pc-header .pc-header-wrapper .nav-lists .nav-item {
    padding: 0 2rem;
    position: relative;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center
}

.pc-header .pc-header-wrapper .nav-lists .nav-item .sub-navs {
    position: absolute;
    padding: 0;
    min-width: 100%;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    backdrop-filter: blur(5px);
    background: rgba(255, 255, 255, 0.99);
    text-align: center;
    padding: .94rem;
    border-radius: 0 0 .63rem .63rem;
    backdrop-filter: blur(10px);
    display: none
}

.pc-header .pc-header-wrapper .nav-lists .nav-item .sub-navs .sub-nav-item {
    padding: 5px 0
}

.pc-header .pc-header-wrapper .nav-lists .nav-item .sub-navs .sub-nav-item a {
    color: #111;
    white-space: nowrap;
    transition: none;
    font-weight: normal
}

.pc-header .pc-header-wrapper .nav-lists .active a {
    font-weight: bold
}

.pc-header .pc-header-wrapper .nav-lists a {
    color: #333;
    font-size: 1.13rem;
    transition: color .4s ease-in-out
}

.pc-header .pc-header-wrapper .nav-lists a:hover {
    font-weight: bold
}

.pc-header .pc-header-wrapper .tools-wrapper {
    margin-left: 4.81rem;
    color: #333
}

.pc-header .pc-header-wrapper .tools-wrapper .change-language {
    margin-right: 1.5rem;
    position: relative;
    border: none
}

.pc-header .pc-header-wrapper .tools-wrapper .change-language .dropdown-menu {
    min-width: auto;
    width: 100%
}

.pc-header .pc-header-wrapper .tools-wrapper .change-language .dropdown-menu .dropdown-item {
    text-align: center
}

.pc-header .pc-header-wrapper .tools-wrapper .change-language .btn {
    display: flex;
    align-items: center;
    color: #333;
    border: none
}

.pc-header .pc-header-wrapper .tools-wrapper .change-language .iconfont {
    color: #333;
    font-size: 1.56rem;
    margin-right: .63rem
}

.pc-header .pc-header-wrapper .tools-wrapper .search-box .btn {
    padding: 0;
    margin: 0;
    background: none;
    border: none;
    color: #333
}

.pc-header .pc-header-wrapper .tools-wrapper .search-box .btn .iconfont {
    font-size: 1.56rem
}

.pc-header .pc-header-wrapper .tools-wrapper .search-box .btn:hover {
    border: none
}

.inside-pc-header {
    background-color: #ececec;
    border-bottom: 1px solid #ebebeb;
    position: static
}

.page-content {
    position: relative
}

.page-content .page-content-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    text-align: center
}

.page-content .page-content-wrapper .content-title {
    padding-top: 4.75rem;
    font-size: 2.75rem;
    margin-bottom: 1rem
}

.page-content .page-content-wrapper .content-sub-title {
    font-size: 1.38rem;
    color: #777777;
    margin-bottom: 2.94rem
}

.page-content .page-content-wrapper .content-link {
    width: max-content;
    padding: .94rem 2.5rem;
    font-size: 1rem;
    color: #111;
    border-radius: 3.13rem;
    border: 2px solid #111;
    display: block;
    margin: 0 auto 4.38rem auto;
    transition: all .2s ease-in-out
}

.page-content .page-content-wrapper .content-link:hover {
    color: #fff;
    background-color: #007fc6;
    border-color: #007fc6
}

.news_header .pc-header-wrapper .pc-logo .white-logo {
    opacity: 0
}

.news_header .pc-header-wrapper .pc-logo .black-logo {
    opacity: 1
}

.news_header .pc-header-wrapper .nav-lists a {
    color: #333
}

.news_header .pc-header-wrapper .tools-wrapper .change-language .btn {
    color: #333
}

.news_header .pc-header-wrapper .tools-wrapper .change-language .btn .iconfont {
    color: #333
}

.news_header .pc-header-wrapper .tools-wrapper .search-box .btn {
    color: #333
}

.background-header .pc-header-wrapper .pc-logo {
    padding: 1rem 0
}

.mob-header {
    border-bottom: 1px solid #ebebeb;
    background-color: #fff
}

.mob-header #mob-menu .mob-nav-item {
    padding: .31rem;
    position: relative
}

.mob-header #mob-menu .mob-nav-item .icon-youjiantou {
    float: right
}

.mob-header #mob-menu .mob-nav-item a {
    font-size: 1.1rem
}

.mob-header #mob-menu .mob-nav-item .mob-sub-navs {
    padding-left: 5px
}

.mob-header #mob-menu .mob-nav-item .mob-sub-navs .mob-sub-nav-item {
    padding: 5px 0
}

.mob-header .mob-header-wrapper .mob-logo {
    width: 22%;
    padding: .94rem 0;
    flex-shrink: 0
}

.mob-header .mob-header-wrapper .mob-tools .btn {
    border: none
}

.mob-header .mob-header-wrapper .mob-tools .btn i {
    font-size: 1.88rem
}

.pc-footer .pc-footer-top {
    padding-top: 4.69rem;
    padding-bottom: 3.75rem;
    background-color: #000000
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-navs .footer-nav-item {
    text-align: left
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-navs .footer-nav-item .footer-nav-title {
    color: #fff;
    font-size: 1.13rem;
    font-weight: bold;
    margin-bottom: 2.25rem
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-navs .footer-nav-item .footer-navs {
    padding-left: 0
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-navs .footer-nav-item .footer-navs .footer-nav-link {
    margin-bottom: 1.25rem
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-navs .footer-nav-item .footer-navs .footer-nav-link a {
    color: #888888;
    font-size: 1rem;
    transition: all .4s ease-in-out
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-navs .footer-nav-item .footer-navs .footer-nav-link a:hover {
    color: rgba(255, 255, 255, 0.8)
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-navs .footer-nav-item:nth-child(1) {
    margin-right: 8.75rem
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-navs .footer-nav-item:nth-child(3) {
    margin-left: 3.75rem
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-other {
    flex: 1;
    margin-left: 7.19rem
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-other .footer-other-item {
    padding: 1.25rem 0;
    border-top: 2px solid #d8d8d8;
    border-bottom: 2px solid #d8d8d8;
    color: #fff;
    font-size: 1.13rem
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-other .item-address {
    font-size: 1rem;
    border-top: none
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-other .footer-qrcode-wrapper {
    margin-top: 3.13rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-column-gap: 1.38rem;
    text-align: center;
    font-size: 1rem;
    color: #777777
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-other .footer-qrcode-wrapper .code-img {
    margin-bottom: .75rem;
    width: 100%
}

.pc-footer .pc-footer-top .pc-footer-top-content .footer-other .footer-other-item:last-child {
    border-top: 0;
    padding-top: 3.13rem
}

.pc-footer .pc-footer-bottom {
    background-color: #016ba9
}

.pc-footer .pc-footer-bottom .footer-logo {
    width: 5rem;
    padding: 1.69rem 0
}

.pc-footer .pc-footer-bottom .copyright {
    font-size: 1.13rem;
    color: #55a3d2;
    margin: 0
}

.pc-footer .pc-footer-bottom .copyright a {
    color: #55a3d2;
    transition: all .4s ease-in-out;
    font-size: 1.13rem
}

.pc-footer .pc-footer-bottom .copyright a:hover {
    color: #fff
}

.mob-footer {
    text-align: center;
    padding: 1.25rem 0;
    font-size: 14px;
    line-height: 2
}
@media screen and (max-width:1400px){
      :root {
        --font-size: 12px
    }
}

@media screen and (max-width:1359px) {
    :root {
        --font-size: 12px
    }

    .cos-container {
        width: 1000px
    }

    .page-content .page-content-wrapper .content-title {
        font-size: 2rem;
        padding-top: 5.75rem
    }
}

@media screen and (max-width:1023px) {
    :root {
        --font-size: 11px
    }

    .pc-header {
        padding: 0 2rem
    }

    .cos-container {
        width: 90%
    }

    .page-content .page-content-wrapper .content-title {
        font-size: 1.6rem;
        padding-top: 5.75rem
    }
}

@media screen and (max-width:991px) {
    .mob-header .mob-header-wrapper .mob-logo {
        width: 12%
    }

    .cos-container {
        width: 95%
    }
}

@media screen and (max-width:767px) {
    :root {
        --font-size: 14px
    }

    .mob-header .mob-header-wrapper .mob-logo {
        width: 22%
    }

    .cos-container {
        width: 95%
    }

    .page-content img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1
    }

    .page-content .page-content-wrapper {
        position: static;
        transform: none;
        padding: 1.88rem 0
    }

    .page-content .page-content-wrapper .content-title {
        padding-top: 2rem;
                font-size: 1.3rem;
    }
.page-content .page-content-wrapper .content-sub-title{
    font-size:1rem;
        margin-bottom: 1.94rem;
}
    .page-content .page-content-wrapper .content-link {
        margin-bottom: 2rem;
                padding: .4rem 1.5rem;
    }
}