body {
    color: #fff;
    background: #151515;
}

.banner {
    padding-bottom: 48.5%;
    background: url(https://img.chaolu.com.cn/website/banner.jpg);
    background-size: cover;
}


.sinfo {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 139px;
    display: flex;
    align-items: flex-end;
    flex-wrap: wrap;
}

.swiper-container {
    width: 100%;
    position: relative;
    z-index: 3;
}

.swiper-container img {
    width: 100%;
}

.sinfo-r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    align-self: flex-start;
}

.tab-box {
    width: 480px;
    max-width: 100%;
    display: flex;
    justify-content: space-between;
}

.tab-model {
    font-size: 16px;
    color: #9D9D9D;
    line-height: 1;
    cursor: pointer;
}

.tab-model.active {
    color: #F7E228;
}

.model {
    display: none;
}

.model.mactive {
    display: block;
}

.h1 {
    font-weight: 600;
    font-size: 42px;
    line-height: 56px;
    margin-bottom: 26px;
    margin-top: 46px;
}

.h2 {
    font-size: 24px;
    line-height: 40px;
}

.h3 {
    font-size: 23px;
    line-height: 34px;
}

.color-gray {
    color: #9D9D9D;
}

.mt {
    margin-top: 40px;
}

.downcode {
    width: 273px;
    height: 101px;
    margin-top: 16px;
}

@media screen and (max-width:991px) {
    .sinfo {
        padding-top: 20px;
    }

    .sinfo-r {
        text-align: left;
        align-items: center;
        margin-top: 20px;
        padding-bottom: 20px;
    }
}