.banner {
    width: 100%;
    background: #A41034;
    padding-top: 80px;
    padding-bottom: 80px;
}
.banner .banner-content {
}
.banner .banner-content .banner-content-left {
    
}
.banner .banner-content .banner-content-left .banner-content-left-title {
    font-size: 72px;
    font-family: D-DIN-PRO, D-DIN-PRO;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 72px;
}
.banner .banner-content .banner-content-left .banner-content-left-bottom {
    width: 480px;
    margin-top: 105px;
    font-size: 28px;
    font-family: D-DIN-PRO, D-DIN-PRO;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 34px;
}
.banner .banner-content .banner-content-left .banner-content-left-bottom .banner-content-left-bottom-box {
    display: flex;
    justify-content: space-between;
    line-height: 74px;
    border-top: solid 1px #FFFFFF;
    border-bottom: solid 1px #FFFFFF;
}
.banner .banner-content .banner-content-right {
    
}
.introduction {
    width: 920px;
    margin: 0 auto;
}
.introduction .introduction-title {
    font-weight: 600;
    font-size: 48px;
    color: #202022;
    line-height: 58px;
    text-align: left;
    font-style: normal;
    margin-top: 50px
}
.introduction .introduction-img {
    margin-top: 50px;
}
.introduction .introduction-content {
    font-weight: 400;
    font-size: 24px;
    color: #666666;
    line-height: 32px;
    text-align: left;
    font-style: normal;
    margin-top: 50px;
    padding-bottom: 50px;
    border-bottom: solid 1px #D8D8D8;
}
.introduction .introduction-content p {
    line-height: 40px;
    margin-top: 20px;
    margin-bottom: 20px;
}
.introduction .introduction-bottom {
    margin-top: 80px;
    margin-bottom: 180px;
}
.introduction .introduction-bottom .introduction-bottom-title {
    font-family: D-DIN-PRO, D-DIN-PRO;
    font-weight: 600;
    font-size: 48px;
    color: #202022;
    line-height: 58px;
    text-align: left;
    font-style: normal;
}
.introduction .introduction-bottom .introduction-bottom-text {
    font-weight: 300;
    font-size: 24px;
    color: #666666;
    line-height: 32px;
    text-align: left;
    font-style: normal;
    margin-top: 35px;
}
.introduction .introduction-bottom .introduction-bottom-content {
    
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item {
    margin-top: 50px;
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-top {
    background: #A41034;
    display: flex;
    justify-content: space-between;
    padding: 10px 12px 10px 50px;
    cursor: pointer;
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-top .introduction-bottom-content-item-top-left {

}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-top .introduction-bottom-content-item-top-left .introduction-bottom-content-item-top-left-title {
    font-size: 36px;
    color: #FFFFFF;
    line-height: 32px;
    text-align: left;
    font-style: normal;
    margin-top: 40px;
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-top .introduction-bottom-content-item-top-left .introduction-bottom-content-item-top-left-text {
    font-weight: 300;
    font-size: 24px;
    color: #FFFFFF;
    line-height: 32px;
    text-align: left;
    font-style: normal;
    margin-top: 12px;
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-top .introduction-bottom-content-item-top-left .introduction-bottom-content-item-top-left-icon {
    margin-top: 68px;
    cursor: pointer;
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-top .introduction-bottom-content-item-top-right {
    
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-bottom {
    background: #F5F5F7;
    padding: 40px 40px 40px 50px;
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-bottom .introduction-bottom-content-item-bottom-item {
    margin-right: 90px;
    margin-bottom: 40px;
    font-size: 24px;
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-bottom .introduction-bottom-content-item-bottom-item .introduction-bottom-content-item-bottom-item-title {
    color: #202022;
    font-weight: 500;
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-bottom .introduction-bottom-content-item-bottom-item .introduction-bottom-content-item-bottom-item-text {
    color: #666666;
    margin-top: 8px;
    font-weight: 300;
    line-height: 1.46em;
}
.introduction .introduction-bottom .introduction-bottom-content .introduction-bottom-content-item .introduction-bottom-content-item-bottom .introduction-bottom-content-item-bottom-icon {
    margin-top: 40px;
    text-align: right;
    cursor: pointer;
}