.index {
    padding-top: 64px;
}
/* 导航栏 */
.index .navBox {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    height: 64px;
    width: 100%;
    background: #fff;
    box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.2);
}
.index .navBox .nav {
    display: flex;
    align-items: center;
    height: 64px;
}
.index .navBox .nav .logoBox {
    display: flex;
    align-items: center;
    margin-right: 90px;
}
.index .navBox .nav .logoBox .logo {
    width: 40px;
    height: 40px;
    margin-right: 8px;
}
.index .navBox .nav .logoBox .title {
    font-size: 28px;
    color: #2475F4;
    font-weight: bold;
}
.index .navBox .nav .navItemBox {
    display: flex;
    align-items: center;
}
.index .navBox .nav .navItemBox .navItem {
    font-size: 14px;
    color: #333333;
    margin-right: 50px;
    text-decoration: none;
}

/* banner */
.index .banner {
    height: 550px;
    background: url('../image/banner_bg.png') no-repeat;
    background-size: 100% 550px;
    /* margin-bottom: 80px; */
}
.index .banner .bannerContent {
    height: 550px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.index .banner .bannerContent .title {
    font-size: 48px;
    color: #fff;
    line-height: 60px;
    margin-bottom: 44px;
    font-weight: bold;
}
.index .banner .bannerContent .desc {
    width: 532px;
    color: #fff;
    font-size: 28px;
    line-height: 40px;
    font-weight: bold;
}

/* 产品介绍 */
.index .productDesc {
    background: #fff;
    padding-top: 80px;
}
.index .productDesc .productDescContent .titleBox {
    margin-bottom: 40px;
}
.index .productDesc .productDescContent .titleBox .title {
    font-size: 36px;
    color: #333333;
    font-weight: bold;
    line-height: 50px;
    text-align: center;
}
.index .productDesc .productDescContent .titleBox .englishTitle {
    font-size: 28px;
    color: #DDDDDD;
    line-height: 40px;
    font-weight: bold;
    text-align: center;
}
.index .productDesc .productDescContent .desc {
    width: 784px;
    font-size: 28px;
    color: #333333;
    line-height: 40px;
    margin: auto;
}

/* 功能 */
.index .function {
    padding-top: 80px;
}
.index .function .functionItem {
    background: #fff;
    padding: 46px 0;
}
.index .function .functionItem.ashbg {
    background: #F7FBFF;
}
.index .function .functionItem .functionItemContent {
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.index .function .functionItem .functionItemContent .itemImg1 {
    width: 310px;
    height: 320px;
}
.index .function .functionItem .functionItemContent .itemImg2 {
    width: 393px;
    height: 308px;
}
.index .function .functionItem .functionItemContent .itemImg3 {
    width: 443px;
    height: 327px;
}
.index .function .functionItem .functionItemContent .itemImg4 {
    width: 420px;
    height: 314px;
}
.index .function .functionItem .functionItemContent .itemTextBox .itemIconTitle {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}
.index .function .functionItem .functionItemContent .itemTextBox .itemIconTitle .itemIcon {
    width: 36px;
    height: 36px;
    margin-right: 16px;
}
.index .function .functionItem .functionItemContent .itemTextBox .itemIconTitle .itemTitle {
    font-size: 28px;
    color: #333333;
    font-weight: bold;
    line-height: 40px;
}
.index .function .functionItem .functionItemContent .itemTextBox .itemDesc {
    font-size: 20px;
    color: #333333;
    line-height: 28px;
    width: 440px;
}

/* footer */
.index .footer {
    height: 160px;
    background: #2B3745;
}
.index .footerContent {
    height: 160px;
    display: flex;
    align-items: center;
}
.index .footerContent .codeBox {
    display: flex;
    align-items: center;
    flex: 1;
}
.index .footerContent .codeBox .codeItem {
    display: flex;
    align-items: center;
}
.index .footerContent .codeBox .codeItem:first-of-type {
    margin-right: 60px;
}
.index .footerContent .codeBox .codeItem .code {
    width: 80px;
    height: 80px;
    margin-right: 20px;
}
.index .footerContent .codeBox .codeItem .tips {
    font-size: 14px;
    color: #fff;
    line-height: 20px;
}
.index .footerContent .navRecordBox {
    flex: 1;
}
.index .footerContent .navRecordBox .footerNavBox {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}
.index .footerContent .navRecordBox .footerNavBox .logoBox {
    display: flex;
    align-items: center;
    margin-right: 50px;
}
.index .footerContent .navRecordBox .footerNavBox .logoBox .logo {
    width: 30px;
    height: 36px;
    margin-right: 10px;
}
.index .footerContent .navRecordBox .footerNavBox .logoBox .title {
    font-size: 28px;
    color: #fff;
    font-weight: bold;
}
.index .footerContent .navRecordBox .footerNavBox .navItemBox {
    display: flex;
    align-items: center;
}
.index .footerContent .navRecordBox .footerNavBox .navItemBox .navItem {
    font-size: 14px;
    color: #fff;
    margin-right: 50px;
    text-decoration: none;
}
.index .footerContent .navRecordBox .record {
    font-size: 14px;
    color: #fff;
    line-height: 20px;
}