@font-face {
    font-family: "SourceHanSansSC-Bold";
    /* src: url(../font/SourceHanSansSC-Bold-2.otf); */
    font-weight: 700;
    src: url("//at.alicdn.com/wf/webfont/xDmqxUhh7PtS/TIUtEEadaLLG0NvTnrVs3.woff2") format("woff2"),
         url("//at.alicdn.com/wf/webfont/xDmqxUhh7PtS/mSri0ZYcIHcGuMRY7KefR.woff") format("woff");
    font-display: swap;
}
@font-face {
    font-family: "SourceHanSansSC-Medium";
    /* src: url(../font/SourceHanSansSC-Medium-2.otf); */
    font-weight: 500;
    src: url("//at.alicdn.com/wf/webfont/xDmqxUhh7PtS/vwA3Wo7p5rXUuGP5Bgt5i.woff2") format("woff2"),
         url("//at.alicdn.com/wf/webfont/xDmqxUhh7PtS/fsHopA1SJI58WrOJa1i8M.woff") format("woff");
    font-display: swap;
}
@font-face {
    font-family: "SourceHanSansSC-Normal";
    /* src: url(../font/SourceHanSansSC-Normal-2.otf); */
    font-weight: 400;
    src: url("//at.alicdn.com/wf/webfont/xDmqxUhh7PtS/i9ScYi8DXIFo0NjnYkMoo.woff2") format("woff2"),
         url("//at.alicdn.com/wf/webfont/xDmqxUhh7PtS/ATyASiEacSwKuNa5RqEJ3.woff") format("woff");
    font-display: swap;
}
@font-face {
    font-family: "SourceHanSansSC-Regular";
    /* src: url(../font/SourceHanSansSC-Regular-2.otf); */
    font-weight: 400;
    src: url("//at.alicdn.com/wf/webfont/xDmqxUhh7PtS/i9ScYi8DXIFo0NjnYkMoo.woff2") format("woff2"),
         url("//at.alicdn.com/wf/webfont/xDmqxUhh7PtS/ATyASiEacSwKuNa5RqEJ3.woff") format("woff");
    font-display: swap;
}

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
    -moz-transition: all 2s;
	-webkit-transition: all 2s;
    transition: all 2s;
}

body {
    font-family: PingFangSC-Regular,"Noto Sans SC";
    font-size: 16px;
    color: rgba(0,0,0,0.60);
    text-align: left;
    padding-top: 0px;
    font-weight: 400;
}


h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.6;
}

a {
    color: #111111;
}

a:hover {
    color: #1a1a1a;
    text-decoration: none;
}

.font-regular {
    font-family: PingFangSC-Regular,"Noto Sans SC";
    font-weight: 400;
}
.font-medium {
    font-family: PingFangSC-Medium,"Noto Sans SC";
    font-weight: 500;
}
.font-bold {
    font-family: PingFangSC-Bold,"Noto Sans SC";
    font-weight: 700;
}

.navbar {
    background-color: #ffffff;
    min-height: 88px;
    padding: 0 1rem;
}
.navbar .container {
    min-height: 88px;
}
.navbar .container .navbar-brand {
    /* font-weight: 500; */
    color: rgba(0,0,0,0.87);
    font-size: 26px;
}
.navbar .container a img {
    display: inline-block;
    width: 42px;
    height: 49px;
    margin-right: 12px;
}

.nav-item {
    margin: 0 1.5em;
}
.nav-item .nav-bottom-bar {
    width: 36px;
    height: 4px;
    margin: 0 auto;
}

.nav-link {
    font-size: 18px;
    color: rgba(0, 0, 0, 0.6);
}

.nav-item.active .nav-bottom-bar {
    background-color: #2865BD;
}
.nav-link:hover {
    color: rgba(0, 0, 0, 0.87);
    font-family: PingFangSC-Medium,"Noto Sans SC";
    /* border-bottom: 4px solid  #2865BD; */
    font-weight: 500;
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: none;
}

.navbar .primary-btn, .navbar .secondary-btn {
    padding: 10px 20px;
    margin: 0 4px;
    font-size: 12px;
}
/* section标题 */
.tit-1 {
    /* margin-top: 90px; */
}
.tit-1 .tit-text {
    height: 50px;
    line-height: 50px;
    font-size: 36px;

}
.tit-1 .tit-bar {
    margin: 0 auto;
    margin-top: 12px;
    width: 56px;
    height: 4px;
}
.tit-black .tit-text {
    color: rgba(0,0,0,0.87);
}
.tit-black .tit-bar {
    background: #2865BD;
}
.tit-white .tit-text {
    color: #FFFFFF;
}
.tit-white .tit-bar {
    background: #FFFFFF;
}

#copyright {
    height: 112px;
    background: #474747;
}
#copyright .container-custom {
    height: 100%;
    padding-top: 32px;
}
#copyright .container-custom .copyright-content {
    margin: 0 auto;
    width: 850px;
    font-size: 14px;
    color: #FFFFFF;
    text-align: center;
}
#copyright .container-custom .copyright-content>div {
    height: 14px;
    margin-bottom: 9px;
}
#copyright .container-custom .copyright-content p {
    margin: 0;
    display: inline-block;
    padding: 0 6.5px;
}
#copyright .container-custom .copyright-content p.copyright-border {
    border-right: 1px solid #fff;
}

section .img-fluid {
    width: 100%;
}
/*////////////////////////////
  Responsive
///////////////////////////*/

@media (max-width: 575.98px) {
    .btn {
        width: 100%;
        margin: 5px 0;
    }
    #copyright {
        height: 130px;
    }
    #copyright .container-custom {
        padding-top: 24px;
    }
    #copyright .container-custom .copyright-content {
        font-size: 12px ;
    }
    #copyright .container-custom .copyright-content p {
        display: block;
    }
    #copyright .container-custom .copyright-content p.copyright-border {
        border: 0;
    }
    #copyright .container-custom .copyright-content {
        width: 100%;
    }
    #copyright .container-custom .copyright-content div:nth-child(1) p:nth-child(2) {
        display: none;
    }
    #copyright .container-custom .copyright-content div:nth-child(1) p:nth-child(3) {
        display: none;
    }
    #copyright .container-custom .copyright-content div:nth-child(1) p:nth-child(4) {
        display: none;
    }
    #copyright .container-custom .copyright-content>div:nth-child(2) {
        height: 28px;
    }
    .container-custom {
        padding-left: 7vw;
        padding-right: 7vw;
    }
}

@media (min-width: 576px) and (max-width: 768px) {
    .nav-fill .nav-item {
        text-align: left;
    }
    .nav-item.active .nav-bottom-bar {
        opacity: 0;
    }
    .nav-fill .nav-item .nav-link {
        font-size: 18px;
    }
    .container-custom {
        width: 570px;
        margin: 0 auto;
    }
    #copyright .container-custom {
        padding-top: 24px;
    }
    #copyright .container-custom .copyright-content {
        font-size: 12px ;
    }
    #copyright .container-custom .copyright-content p {
        display: block;
    }
    #copyright .container-custom .copyright-content p.copyright-border {
        border: 0;
    }
    #copyright .container-custom .copyright-content {
        width: 100%;
    }
    #copyright .container-custom .copyright-content div:nth-child(1) p:nth-child(2) {
        display: none;
    }
    #copyright .container-custom .copyright-content div:nth-child(1) p:nth-child(3) {
        display: none;
    }
    #copyright .container-custom .copyright-content div:nth-child(1) p:nth-child(4) {
        display: none;
    }
    #copyright .container-custom .copyright-content>div:nth-child(2) {
        height: 28px;
    }
}

@media (min-width: 769px) and (max-width: 991.98px) {
    .item-header, .item-body, .item-footer {
        padding: 20px;
    }
    .nav-fill .nav-item {
        text-align: left;
    }
    .nav-item.active .nav-bottom-bar {
        opacity: 0;
    }
    .nav-fill .nav-item .nav-link {
        font-size: 18px;
    }
    .container-custom {
        width: 760px;
        margin: 0 auto;
    }
}

@media (min-width: 992px) and (max-width: 1199.98px) { 
    .container-custom {
        width: 980px;
        margin: 0 auto;
    }

}

@media (min-width: 1200px) { 

}
@media (max-width: 992px) {
    body {
        font-family: PingFangSC-Regular,"Noto Sans SC";
        font-size: 13px;
        padding: 0px;
        font-weight: 400;

    }    
    .navbar {
        background-color: #ffffff;
        min-height: 50px;
        padding: 0 1rem;
    }
    .navbar .container {
        min-height: 50px;
    }
    .navbar .container .navbar-brand {
        font-size: 20px;
    }
    .navbar .container a img {
        width: 29px;
        height: 33px;
    }
    .tit-1 .tit-text {
        font-size: 20px;
        line-height: 26px;
        height: 26px;
    }
    .nav-item .dropdown-menu .drop-content .drop-tit {
        font-family: PingFangSC-Medium,"Noto Sans SC";
        font-size: 18px;
        line-height: 20px;
        height: 20px;
        width: 100%;
        padding-left: 4px;
        margin-bottom: 3px;
        border-left: 4px solid #2865BD;
        font-weight: 500;

    }
    /* .nav-item .dropdown-menu .drop-content {
        margin-bottom: 5px;
    } */
    .nav-fill .nav-item {
        text-align: left;
    }
    .nav-item.active .nav-bottom-bar {
        opacity: 0;
    }
    .nav-fill .nav-item .nav-link {
        font-size: 18px;
    }
}
@media (min-width: 992px) {
    .navbar .container .navbar-brand {
        height: 49px;
        line-height: 49px;
        padding: 0;
    }
    .nav-item.active .nav-link {
        color: rgba(0, 0, 0, 0.87);
        font-family: PingFangSC-Medium,"Noto Sans SC";
        /* border-bottom: 4px solid  #2865BD; */
        font-weight: 500;

    }
    .nav-link {
        height: 84px;
        line-height: 84px;
    }
    .dropdown:hover .dropdown-menu {
        display: block;
        left: -25%;
        top: 108%;
    }
    .dropdown-menu:before{
        content: "";
        width: 0px;
        height: 0px;
        border-left: 10px solid transparent;
        border-right: 10px solid transparent;
        border-bottom: 10px solid #000;
        position: absolute;
        top: -10px;
        left: 65px;
    }
    .nav-item .dropdown-menu {
        padding: 28px 5px 0 40px;
        width: 444px;
    }
    .nav-item .dropdown-menu .drop-content {
        width: 100%;
        margin-bottom: 26px;
    }
    .nav-item .dropdown-menu .drop-content .drop-tit {
        font-family: PingFangSC-Medium,"Noto Sans SC";
        font-size: 22px;
        line-height: 24px;
        height: 24px;
        width: 100%;
        padding-left: 12px;
        margin-bottom: 16px;
        border-left: 4px solid #2865BD;
        font-weight: 500;

    }
    .nav-item .dropdown-menu .drop-content .drop-text {
        display: inline-block;
        margin-right: 48px;
    }
    .nav-item .dropdown-menu .drop-content .drop-text a{
        cursor: pointer;
        font-size: 18px;
        color: rgba(0,0,0,0.60);
    }
    .nav-item .dropdown-menu .drop-content .drop-text:hover a{
        text-decoration: underline;
        color: #2865BD;
    }
 }
 @media (min-width: 1200px) and (max-width: 1399.98px) {
    .container-custom {
        width: 1140px;
        margin: 0 auto;
    }
}
 @media (min-width: 1440px) {
    /* .container {
        width: 1330px;
    } */
    .container-custom {
        width: 1320px;
        margin: 0 auto;
    }
}