body {
    margin: 0;
    padding: 0;
    background: #fff;
    font-size: 12px;
    margin-top: 84px;
}
img {
    display: block;
}
.logo {
    display: flex;
    align-items: center;
    height: 40px;
}
.logo_title {
    padding-left: 20px;
    font-size: 18px;
}
.logo img {
    height: 40px;
}
.logo_txt {
    padding-left: 12px;
    font-weight: bold;
}
.box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 1180px;
    height: 450px;
    margin: 0 auto;
    padding: 0 120px;
    box-sizing: border-box;
    background: url(img/bg.png);
    background-size: contain;
}
.app_title {
    margin-bottom: 12px;
    font-size: 52px;
    font-weight: bold;
}
.content_box {
    padding: 28px;
    font-size: 16px;
    line-height: 32px;
    background-color: #f5f7ff;
}
.banner1 .left_box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.banner1 {
    background: #FFD7AD;
}
.banner1 .box {
    height: 560px;
    padding: 0 80px;
}
.banner1 .subtitle {
    margin-top: 15px;
    margin-bottom: 24px;
    font-size: 16px;
    color: #333;
}
.banner2 {
    background-color: #FFC4B1;
}
.banner2 .box {
    align-items: flex-end;
}
.banner2 .right {
    margin-bottom: 150px;
}
.banner3 {
    background-color: #FFD7AD;
}
.banner3 .box {
    align-items: flex-end;
}
.banner3 .left {
    margin-bottom: 170px;
}
.footer {
    text-align: center;
    height: 50px;
    line-height: 50px;
    color: #999;
    border-top: 1px solid #f8f8f8;
}
.blank {
    height: 1px;
    clear: both;
}
.about {
    font-size: 16px;
    line-height: 24px;
    color: #999;
}
.about .left {
    padding-right: 40px;
}
.about .title{
    margin-bottom: 16px;
}
.about .contact {
    margin-top: 16px;
    font-size: 13px;
}
.top {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: #fff;
    border-bottom: 1px solid #dedede;
}
.tabs {
    display: flex;
    justify-content: space-between;
    width: 1024px;
    margin: 0 auto;
}
.tab {
    display: flex;
    align-items: center;
    height: 84px;
    font-size: 34px;
    border-bottom: 4px solid #fff;
    cursor: pointer;
    color: #333;
}
.tab.actived {
    border-bottom: 4px solid #333;
    color: #222;
}
.tab__content .content {
    display: none;
}
.tab__content .content.active {
    display: block;
}
.p_title {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 48px;
    background-color: #8CC1FF;
}
.game .banner1 .title {
    margin-bottom: 30px;
}
.game .banner3 .left {
    margin-bottom: 120px;
}