html {
    background: #f0f4ff;
    font-size: 20px;
}

.mainView {
    height: 8rem;
    position: relative;
    overflow: hidden;
}

.mainBg {
    height: 8rem;
    position: absolute;
    left: 0;
    top: 0;
}

.mainContent {
    width: 12rem;
    position: absolute;
    left: 1.25rem;
    top: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.text1 {
    font-weight: bold;
    font-size: 0.75rem;
}

.text2 {
    font-weight: 600;
    font-size: 0.45rem;
}

.text3 {
    font-weight: 400;
    font-size: 0.35rem;
}


.changeImg {
    width: 100%;
    display: block;
}

.noshow {
    display: none;
}

.bg2 {
    width: 100%;
    /* height: 4.3rem; */
    background: url('../images/device-bg2.png') no-repeat center;
    background-size: cover;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0;
    box-sizing: border-box;
}

.bg4 {
    width: 100%;
    /* height: 4.3rem; */
    background: url('../images/device-bg3.png') no-repeat center;
    background-size: cover;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 0 1rem;
    box-sizing: border-box;
}

.bg3 {
    width: 100%;
    height: 8.6rem;
    position: relative;
}

.banner-btn1 {
    font-size: .35rem;
    line-height:.65rem;
    font-family: Alibaba;
    font-weight: normal;
    color: #FFFFFF;
    width: 2.3rem;
    height: .65rem;
    background: #2857FD;
    z-index: 5;
    bottom: 1rem;
    left: 1.2rem;
    position: absolute;
    cursor: pointer;
    text-align: center;
}

.banner-btn2 {
    cursor: pointer;
    font-size: .35rem;
    line-height:.65rem;
    font-family: Alibaba;
    font-weight: normal;
    text-align: center;
    color: #FFFFFF;
    width: 2.3rem;
    height: .65rem;
    background: #2857FD;
    z-index: 5;
    bottom: 1rem;
    left: 3.9rem;
    position: absolute;
}

.tab-list {
    width: 95%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    font-size: 0.45rem;
    margin: 0.45rem auto 0.75rem;
}

.tab-item {
    width: 4rem;
    height: 4.3rem;
    cursor: pointer;
    text-align: center;
}

.tab-item-text {
    font-size: 0.5rem;
}

.banner {
    /* overflow: hidden; */
    display: none;
}

.show {
    display: block;
}

.tab-active {
    position: relative;
    color: #2857FD;
}

.tab-active::after {
    display: block;
    content: '';
    position: absolute;
    bottom: 0.1rem;
    left: 0;
    right: 0;
    margin: auto;
    width: 3.2rem;
    height: 0.1rem;
    background: #2857FD;
    border-radius: 0.05rem;
}

.tab-item-icon {
    width: 2.5rem;
    height: 2rem;
    margin-bottom: .15rem;
}

.title {
    font-family: Alibaba;
    text-align: center;
    font-weight: bold;
    font-size: .75rem;
    margin-top: 1.5rem;
}

.info {
    font-family: Alibaba;
    text-align: center;
    /* font-weight: bold; */
    font-size: .5rem;
    margin-bottom: .5rem;
}