body,html{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
}
a{
    text-decoration: none;
}
.swiper-wrapper,
.container{
    margin: 0 auto;
}
body{
    font-size: 18px;
    font-family: "Microsoft YaHei UI";
}
.flex, .row, .column, .row-center, .center, .column-center, .between, .around {
    display: flex;
    box-sizing: border-box
}

.row, .column {
    display: flex;
    flex-flow: row nowrap
}

.row-fit {
    width: 100%
}

.column {
    flex-direction: column
}

.column-reverse {
    flex-direction: column-reverse
}

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

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

.column-fit {
    height: 100%
}

.list, .list-column {
    display: flex;
    flex-flow: row wrap;
    align-items: center;
    box-sizing: border-box
}

.list-column {
    flex-direction: column
}

.fit {
    flex: 1
}

.fill {
    flex-grow: 1
}

.row-center, .center {
    justify-content: center
}

.row-reverse {
    flex-direction: row-reverse
}

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

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

.column-center, .center {
    align-items: center
}

.ad-container{
    padding: 100px 0px 100px 200px;
    min-width: 1024px;
    min-height: 960px;
}
.copyright, .copyright a{
    font-size: 14px;
    font-family:Roboto;
    color:rgba(173,173,173,1)
}
.app_name{
    margin-top: 660px;
}


.btn{
    display: inline-block;
    text-align: center;
    padding: 12px 30px;
}

.btn-primary{
    background:#1097FF;
    color: #fff;
    font-size: 24px;
    border-radius: 8px;
}
.intro-image{
    text-align: center;
    width: 100%;
}
.intro-image img{
    width: 100%; max-width: 2400px; min-width: 1200px;
}
.footer, .footer a{
    color: #BEC9D0;
}


.info{
    padding-top: 230px;
}

.desc{
    color: #8D9BA5;
    font-size: 12px;
    margin-bottom: 61px;
}
h1{
    font-size: 56px;
    margin: 0;
}
h2{
    color: #1097FF ;
    font-size: 28px;
    margin: 50px 0;
}
h3{
    font-size: 20px;
    color: #64737E;
    margin: 0 0 23px 0;
}

.navbar{
    padding: 20px;
    background: #f2f9ff;
    color: #333;
    font-size: 18px;
}