/* 首页 */
.topic-idx {
    margin: 0 auto;
    min-width: 1400px;
    max-width: 1920px;
    background-color: #fff;
}

.topic-idx .header {
    position: relative;
    width: 100%;
    height: 600px;
    background-color: #2968a9;
    background-image: url("../images/banner/01.jpg"),url("../images/banner/01.webp");
    background-repeat: no-repeat;
    background-position: center;
    z-index: 0;
}

.topic-idx .header .topbar {
    position: relative;
    display: flex;
    justify-content: space-between;
    padding: 15px 40px;
    color: #fff;
    line-height: 36px;
    z-index: 1;
}

.topic-idx .header .topbar .logo {
    width: 90px;
    height: 32px;
    text-indent: -1000px;
    font-size: 24px;
    color: #fff;
    font-weight: bold;
    background-image: url("../images/logo.png");
    background-position: center;
    background-repeat: no-repeat;
    /* text-shadow: 0px 2px 0px rgba(0, 0, 0, 0.41); */
}

@media screen and (-webkit-min-device-pixel-ratio: 2), screen and (-moz-min-device-pixel-ratio: 2) {
    .topic-idx .header .topbar .logo  {
        background-image: url("../images/logo@2x.png");
        background-size: 100%;
    }
}

.topic-idx .header .topbar .menu ul {
    display: flex;
}
.topic-idx .header .topbar .menu ul li a {
    display: inline-block;
    padding: 0 20px 0 25px;
    color: #fff;
}

.topic-idx .header .topbar .menu ul li a.home {
    background: url(../images/icons/home@1x.png) left no-repeat;
}

@media screen and (-webkit-min-device-pixel-ratio: 2), screen and (-moz-min-device-pixel-ratio: 2) {
    .topic-idx .header .topbar .menu ul li a.home {
        background-image: url(../images/icons/home@2x.png);
        background-size: 18px;
    }
}

.topic-idx .header .topbar .menu ul li a.help {
    background: url(../images/icons/help@1x.png) left no-repeat;
}

@media screen and (-webkit-min-device-pixel-ratio: 2), screen and (-moz-min-device-pixel-ratio: 2) {
    .topic-idx .header .topbar .menu ul li a.help {
        background-image: url(../images/icons/help@2x.png);
        background-size: 18px;
    }
}

.topic-idx .header .topbar .menu ul li a.contact {
    background: url(../images/icons/contact@1x.png) left no-repeat;
}

@media screen and (-webkit-min-device-pixel-ratio: 2), screen and (-moz-min-device-pixel-ratio: 2) {
    .topic-idx .header .topbar .menu ul li a.contact {
        background-image: url(../images/icons/contact@2x.png);
        background-size: 18px;
    }
}

.topic-idx .header .topbar .menu ul li a.app {
    background: url(../images/icons/app@1x.png) left no-repeat;
}

@media screen and (-webkit-min-device-pixel-ratio: 2), screen and (-moz-min-device-pixel-ratio: 2) {
    .topic-idx .header .topbar .menu ul li a.app {
        background-image: url(../images/icons/app@2x.png);
        background-size: 13px 19px;
    }
}

.topic-idx .header .topbar .menu ul li a:hover {
    opacity: 0.85;
}

.topic-idx .header .intro {
    padding-top: 85px;
    text-align: center;
    color: #fff;
}

.topic-idx .header .intro h2 {
    font-size: 42px;
    font-weight: bold;
}

.topic-idx .header .intro p {
    margin: 30px auto;
    line-height: 28px;
}

.topic-idx .header .intro .link {
    text-align: center;
}

.topic-idx .header .intro .link li {
    display: inline-block;
    margin: 0 5px;
    font-size: 0;
}
.topic-idx .header .intro .link li a {
    display: block;
    padding: 10px 30px;
    color: #fff;
    font-size: 16px;
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.3);
}

.topic-idx .header .intro .link li:last-child a {
    padding: 8px 28px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    background: none;
}

.topic-idx .header .intro .link li a:hover {
    background-color: rgba(0, 0, 0, 0.2);
}

.topic-idx .body {
    position: relative;
    width: 100%;
}


.topic-idx .body .title {
    margin: 0 auto;
    padding: 60px 0px;
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    color: #000;
}

.topic-idx .body .section {
    position: relative;
    width: 100%;
    background-color: #eff3f7;
}

.topic-idx .body .feature {
    position: relative;
    box-sizing: border-box;
    padding-top: 50px;
    width: 100%;
    height: 583px;
    background: url(../images/feature.png) center 210px no-repeat;
}

.topic-idx .body .feature .container {
    position: relative;
    margin: 0 auto;
    width: 1400px;
}

.topic-idx .body .feature .desc{
    margin: 0 auto;
    width: 1280px;
    line-height: 1.8;
    text-align: left;
}

.topic-idx .body .feature .desc p{
    margin-bottom: 20px;
}

.topic-idx .body .feature ul {
    position: relative;
    display: flex;
    justify-content: space-between;
    margin: 0px auto;
    padding-top: 140px;
    width: 1400px;
}

.topic-idx .body .feature ul li {
    box-sizing: border-box;
    width: 700px;
    height: 70px;
    text-align: center;
}

.topic-idx .body .feature ul li:nth-child(2n) {
    padding-top: 140px;
}

.topic-idx .body .feature ul li h2 {
    padding-bottom: 5px;
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.topic-idx .body .feature ul li p {
    color: #888;
    line-height: 24px;
}


.topic-idx .body .framework {
    margin: 0 auto;
    padding-bottom: 70px;
    width: 1400px;
}

.topic-idx .body .framework .container {
    padding: 50px 0px;
    height: 508px;
    border-radius: 5px;
    background: #fff url('../images/img-jgt.png') center no-repeat;
}


.topic-idx .body .app {
    margin: 20px auto 40px auto;
    width: 1400px;
}

.topic-idx .body .app .contaner {
    margin-bottom: 50px;
}

.topic-idx .body .app .item {
    float: left;
    margin-bottom: 30px;
    width: 33.33333%;
    text-align: center;
    color: #666;
}
.topic-idx .body .app .item h2 {
    font-size: 16px;
    font-weight: bold;
    color: #4075cd;
    line-height: 32px;
}

.topic-idx .body .app .item p {
    margin: 0 auto;
    max-width: 300px;
}

.topic-idx .footer {
    position: relative;
    padding-top: 40px;
    line-height: 28px;
    color: rgba(255, 255, 255, 0.5);
    background-color: #272727;
}

.topic-idx .footer a {
    color: rgba(255, 255, 255, 0.5);
}

.topic-idx .footer .container {
    margin: 0 auto;
    width: 1400px;
}

.topic-idx .footer .container h2 {
    color: rgba(255, 255, 255, 0.9);
    font-size: 20px;
    font-weight: bold;
}

.topic-idx .footer .container .info {
    padding: 15px 0 30px 0;
    display: flex;
    justify-content: space-between;
}

.topic-idx .footer .container .info p {
    padding-left: 25px;
    background: url(../images/icons/qq@1x.png) left no-repeat;
}

@media screen and (-webkit-min-device-pixel-ratio: 2), screen and (-moz-min-device-pixel-ratio: 2) {
    .topic-idx .footer .container .info p {
        background-image: url(../images/icons/qq@2x.png);
        background-size: 17px 17px;
    }
}

.topic-idx .footer .container .info p:first-child {
    background: url(../images/icons/tel@1x.png) left no-repeat;
}

@media screen and (-webkit-min-device-pixel-ratio: 2), screen and (-moz-min-device-pixel-ratio: 2) {
    .topic-idx .footer .container .info p:first-child {
        background-image: url(../images/icons/tel@2x.png);
        background-size: 17px 17px;
    }
}

.topic-idx .footer .container .info p:last-child {
    background: url(../images/icons/mail@1x.png) left no-repeat;
}

@media screen and (-webkit-min-device-pixel-ratio: 2), screen and (-moz-min-device-pixel-ratio: 2) {
    .topic-idx .footer .container .info p:last-child {
        background-image: url(../images/icons/mail@2x.png);
        background-size: 17px 17px;
    }
}

.topic-idx .footer .container .cp {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 15px 0;
    text-align: center;
}