* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.banner_alone {
    padding-top: 10.375rem;
    padding-left: 16.25rem;
    width: 100%;
    height: 44.625rem;
    position: relative;
    overflow: hidden;
}

.banner_alone .bg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover;
}

.banner_alone .title {
    font-size: 4.5rem;
    text-align: left;
    letter-spacing: 0.625rem;
    color: #3b3b3b;
    position: relative;
    z-index: 2;

}

.banner_alone .list {
    font-size: 1.5rem;
    display: flex;
    margin-top: 2.5rem;
    flex-direction: column;
    color: #666;
}

.banner_alone .list .demo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    margin-bottom: 1.875rem;
}

.banner_alone .list .demo span {
    margin-left: 1.25rem;
}

.banner_alone .list .demo img {
    width: 1.375rem;
    height: 1.375rem;
}

@media screen and (max-width: 1400px) {
    .banner_alone {
        padding-top: 5.375rem;
        padding-left: 7.25rem;
        width: 100%;
    }
}
@media screen and (max-width: 767px) {



    .banner_alone  {
        padding-top: 2.188rem;
        padding-left: 0;
        height: 17.688rem;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .banner_alone  .title {
        font-size: 2.25rem;
    }


    .banner_alone  .list {
        flex-direction: column;
        margin-top: 0.625rem;
        color: #262626;

    }

    .banner_alone  .list .demo {
        font-size: 1.125rem;
        margin-bottom: 0.625rem;
    }

    .banner_alone  .list .demo img {
        width: 0.75rem;
        height: 0.75rem;
    }

}