.banner-home {
    padding-bottom: 5rem;
}
.banner-home::before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: all 0.3s ease;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.3) 30%, rgba(0, 0, 0, 0) 50% /* 60% 开始完全透明 */);
    z-index: 10;
}
.banner-home .bj {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    left: 0;
    top: 0;
    z-index:2
}
.banner-home .main-title {

    font-family: '452';
    font-style: normal;
    text-transform: none;

    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);

    font-weight: normal;
    font-size: 4.5vw;
    color: #FFFFFF;
    line-height: 1;

    opacity: 0;
    transform: translateY(40px); /* 只往下偏移 */
    transition: transform 0.8s ease-out, opacity 0.8s ease-out;
    will-change: transform, opacity;
    z-index:11

}
/*.banner-home .content{*/
/*    height: 100%;*/
/*    position: relative;*/
/*}*/
.banner-home .main-title1{
    /*font-family: 'bahnschrift';*/
    /*font-weight: normal;*/
    font-size: 3vw;
    color: #FFFFFF;
    /*text-align: left;*/
    /*font-style: normal;*/
    /*text-transform: none;*/
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    /*position: absolute;*/
    /*top: 18.5vw;*/
    /*left: 5.1vw;*/
    /*z-index:11;*/

    opacity: 0;
    transform: translateY(40px); /* 只往下偏移 */
    transition: transform 0.8s ease-out, opacity 0.8s ease-out;
    will-change: transform, opacity;



}

.banner-home .main-title.animate,.banner-home .main-title1.animate{
    opacity: 1;
    transform: translateY(0);
}
/*.banner-home .main-title1.animate{*/
/*    transform: scaleX(0.8);*/
/* }*/
.banner-home .phone {
    object-fit: cover;

    position: absolute;
    left: 0;
    bottom: 0;
    width: 80rem;
    height: 80.1rem;
    z-index:2;
}

.home-bottom{
    width: 100%;
    height: 16.3rem;
    background-color: #191919;
    display: flex;
    align-items: center;
    position: relative;
}

.home-bottom::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: #191919;
    z-index: -1; /* 将背景色置于底层 */
}

.home-bottom .title{
    font-family: 'bahnschrift';
    font-weight: 800;
    font-size: 10.53rem;
    color: #474747;
    text-align: left;
    font-style: normal;
    text-transform: none;
    margin-left: 8.1rem;

    font-stretch: condensed;
}
.phone_icon{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3.3rem;
}
.search_phone{
    margin-left: 26.2rem;
}
.IOS {
    background-color: #f12535;
    color: #fff;
    letter-spacing: 0.2rem;
}
.Android, .IOS {
    width: 28.2rem;
    height: 5.4rem;
    display: block;
    border: 1px solid #f12535;
    display: flex;
    color: #fff;
;
    justify-content: center;
    align-items: center;
    gap: 1.2rem;
    border-radius: 1rem;
    font-size: 2.54rem;
}
.Android img{
    width: 2.7rem;
    height: 3.1rem;
    object-fit: cover;
}
.IOS img{
    width: 2.5rem;
    height: 2.9rem;
    object-fit: cover;
}
.search-app {
    display: flex;
    justify-content: center;
    margin-top: 1.4rem;
}
.search-app img {
    width: 2.4rem;
    margin-right: 1rem;
    height: 2.3rem;
}
.search-let {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
}

.scan{
    position: absolute;
    right: 7rem;
    bottom: 6rem;
    z-index: 2;
    border: 2rem solid #fff;
    background-color: #fff;
    width: 20rem;
    height: 20rem;
}
.scan img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.search-let span {
    font-size: 1.7rem;
    color: #f12535;
}
.tab-buttons-vechile-content{
    display: flex;
    gap: 1.1rem;
    justify-content: flex-end;
    align-items: flex-start;
    height: 2.4rem;
    padding-top: 2.6rem;
    padding-left: 8.1rem;
    height: 6.1rem;
    background-color: #fff;
    padding-right: 8.1rem;

}
.tab-content-vechile-content.active{
    display: flex;
}

.tab-buttons-vechile-content span{
    line-height: 3.31rem;
    text-align: left;
    font-style: normal;
    text-transform: none;
    min-width: 19.3rem;
    height: 3.5rem;
    padding-left: 2rem;
    padding-right: 2rem;
    font-family: 'bahnschrift';
    font-size: 2.08rem;
    color: #000;
    text-align: left;
    font-style: normal;
    text-transform: none;
    text-align: center;
    background-image: url(../images/smart/bj-l.png);
    cursor: pointer;
    background-size: cover;
}
.tab-buttons-vechile-content span.active{
    color:#F32735;
    background-image: url(../images/smart/bj-s.png);
    background-size: cover;
}
.tab-content-vechile-content{
    /*background-image: url(../images/smart/bj-smart.png);*/
    background-size: cover;
    background-repeat: no-repeat;
    height: 90.7rem;
    width: 202.12rem;
    display: flex;
    padding-left: 3rem;
    display: none ;


}

.tab-content-vechile-content .items{
    width: 101.8rem;
    height: 90.7rem;
    position: absolute;
    right: 2rem;
    padding-top: 24.1rem;
}
.tab-content-vechile-content .items span:nth-child(1){
    font-family: 'bahnschrift';
    font-size: 8.1rem;
    color: #FFFFFF;
    text-align: left;
    font-style: normal;
    text-transform: none;
    font-stretch: condensed;
    margin-left: 23rem;
}
.tab-content-vechile-content .items span:nth-child(2){
    width: 64rem;
    height: 20.2rem;
    font-family: AlimamaFangYuanTiVF_420000wght_80.000BEVL_0ital;
    font-size: 1.7rem;
    color: #FFFFFF;
    line-height: 3.68rem;
    text-align: left;
    font-style: normal;
    text-transform: none;
    display: block;
    margin-left: 23rem;
}
.tab-content-vechile-content{
    display: none;
}
.tab-content-vechile-content.active{
    display: flex;
}
.tab-content-vechile-content .img-phone{
    width: 96rem;
    height: auto;
    object-fit: contain;
    margin-left: 6rem;

}

.swiper-button-prev{
    position: absolute;
    left: 4.5rem;
    cursor: pointer;
    top: 50%;
    z-index: 9;
}
.swiper-button-next{
    position: absolute;
    right: 4.5rem;
    cursor: pointer;
    top: 50%;
    z-index: 9;
    transform: rotate(180deg);
}
.smart-tab .smart-tab-button{
    background-color: #fff;
    width: 100%;
}
.smart-tab .smart-tab-content{
    background: linear-gradient(to right, #ccc 0%, #ccc 45%, #be9b9d 50%, red 100%)

}


.swiper-container {
    width: 100%;
    height: 100rem;
    background-image: url(../images/smart/feature-bj.png);
    background-size: cover;
    background-repeat: no-repeat;
}

#carouselExampleCaptions{
    height: 120rem;
    /*background-image: url('../images/smart/feature-bj.png');*/
    background-position: center;
    background-repeat: no-repeat;
    background-size: calc(100%); /* 12.7rem × 2 */
}

/*#carouselExampleCaptions img:hover{*/
/*    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);*/
/*}*/

.carousel-indicators [data-bs-target] {
    width: 25.4rem;
    height: 0.8rem;
    background-color: #cdcac9;
}
.carousel-indicators .active{
    background-color: #F32735 !important;
}
.carousel-indicators-span .active{
    color: #F32735;
    background-color: transparent !important;
}
.carousel-indicators-span span{
    width: 25.4rem;
    text-align: center;
    text-align: center;
    font-family: AlimamaAgileVF, AlimamaAgileVF;
    font-weight: 400;
    font-size: 2.87rem;
    color: #cdcac9;
    line-height: 2.76rem;
    font-style: normal;
    text-transform: none;
    padding-bottom: 1.1rem;


}


.carousel-inner,.carousel-item{
    height: 100%;
}
.carousel-indicators-span{
    bottom: 2rem;
}
.carousel-control-next-icon, .carousel-control-prev-icon{
    width: 7.2rem;
    height: 7.2rem;
}
.carousel-control-prev-icon{
    background: none;
}

#carouselExampleCaptions .carousel-item .car{
    position: absolute;
    width: 95.7rem;
    /*height: 79.5rem;*/
    left: 53.2rem;
    top: 12.9rem;
}

#carouselExampleCaptions .carousel-item .title{

    font-family: '452';
    font-weight: normal;
    font-size: 7rem;
    color: #000000;
    text-align: left;
    font-style: normal;
    text-transform: none;
    left: 19.4rem;
    top: 17.4rem;
    position: absolute;
    line-height: 1;
}
#carouselExampleCaptions .carousel-item .car_content{
     width: 100%;

}
#carouselExampleCaptions .carousel-item .carname{
    font-family: '452';
    font-weight: normal;
    text-align: left;
    font-style: normal;
    text-transform: none;
    position: absolute;
    top:97rem;
    left: 26.1rem;
    line-height: 1;
    max-width: 89rem;

    font-size: 8.4rem;
    color: #000000;


}

#carouselExampleCaptions .carousel-item .cardes{
    font-family: 'bahnschrift';
    text-align: left;
    font-style: normal;
    position: absolute;
    top: 97rem;
    left: 128.6rem;

    height: 6rem;
    font-family: SourceSansRoman, SourceSansRoman;
    font-size: 2.93rem;
    color: #231815;
    line-height: 3.96rem;


}

.feature_title{
    font-family: '452';
    font-weight: normal;
    font-size: 7rem;
    color: #000000;
    text-align: center;
    font-style: normal;
    text-transform: none;
    display: block;
    line-height: 1;
}
/*.feature_main{*/
/*    padding-top: 11.9rem;*/
/*    padding-bottom: 11.8rem;*/
/*    background:*/
/*            linear-gradient(to top, #fff, #ececec 50%),       !* 上层渐变 *!*/
/*            linear-gradient(to top, #f4f4f4, #fff),           !* 中层渐变 *!*/
/*            url(../images/smart/feature-bj.png);        !* 底层图片 *!*/


/*    !*background:  linear-gradient(to top, #fff, #ececec 50%),  linear-gradient(to top, #f4f4f4, #fff);*!*/
/*    background-size: 100% 48%, 100% 100%;*/
/*    background-position: bottom, top;*/
/*    background-repeat: no-repeat;*/
/*}*/


.feature_main {
    padding-top: 11.9rem;
    padding-bottom: 2.8rem;
    z-index: 1;
    background-image: url(../images/smart/car-feature.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;


}





.carousel-control-next, .carousel-control-prev{
    opacity: 1;
    top: -30rem;
}

.carousel-control-prev {
    left: 17rem;
}
.carousel-control-next {
    right: 17rem;
}
.a5{
    width: 2.9rem;
    height: 2.9rem;
    margin-left: 2rem;
}
.smart-tab{
    background: linear-gradient(to right, #ccc, rgba(255, 0, 0, 0));
}


@media only screen and (max-width: 767px) {
    .banner-home{
        aspect-ratio: 9 / 16;
    }
    .banner-home .main-title{
        width: 100vw;
        font-size: 22rem;
        top: 16%;
        text-align: center;
        width: 100%;
        z-index: 222;
        left: 0 !important;

    }
    .banner-home .main-title1{
        top: 23%;
        text-align: center;
        width: 100%;
        font-size: 13rem;
    }
    .scan{
        width: 32rem;
        height: 32rem;
        right: 12rem;
        bottom: 24rem;
    }
    .home-bottom .title{
        display: none;
    }
    .home-bottom {
        height: 43.3rem;
    }
    .search-let {
        font-size: 5.3rem;
    }
    .Android, .IOS {
        width: 67.2rem;
        height: 18.4rem;
        border-radius: 3rem;
        font-size: 6rem;
    }
    .search_phone {
        margin-left: 7.2rem
    }
    .feature_title {
        font-size: 16rem;
        line-height: 1.2;
    }
    .tab-content-vechile-content{
        margin-top: 10rem;
        height: auto;
        flex-direction: column;
    }
    #carouselExampleCaptions{
        height: 184rem;
    }
    .phone_icon {

        justify-content: flex-start;
     
    }
    #carouselExampleCaptions .carousel-item .car{
        width: 174.7rem;
        height: auto;
        left: 41.2rem;
        top: 9.9rem;
    }
    #carouselExampleCaptions .carousel-item .carname{
        top: 147rem;
    }
    #carouselExampleCaptions .carousel-item .cardes{
        top: 144rem;
        left: 128.6rem;
        line-height: 6.96rem;
        height: 6rem;
        font-size: 6rem;
    }
    .carousel-control-next-icon, .carousel-control-prev-icon {
        width: 13.2rem;
        height: 13.2rem;
    }
    .carousel-control-next {
        right: 7rem;
    }
    .carousel-control-prev {
        left: 8rem;
    }
    .a5 {
        width: 8.9rem;
        height: 8.9rem;
        margin-left: 3rem;
    }
    .my-swiper-engine{
        width: 100%;
        height: 26rem !important;
        border-bottom: 1px solid #ccc;
        justify-content: flex-start;
    }
    .my-swiper-engine .swiper-wrapper{
        height: 26rem !important;
    }

    .my-swiper-engine .swiper-slide {
        color: #000;
        font-size: 10rem;
        line-height: 30rem;
        white-space: nowrap;
        height: 22rem !important;
    }
    .my-swiper-engine .swiper-slide.active {
        border-bottom: 2px solid red;
    }
    .search-let span{
        font-size: 6rem;
    }
    .smart-tab{
        margin-top: 22rem;
        background: none;
    }
    .smart-tab .smart-tab-content{
        background: #fff;
    }
    .tab-content-vechile-content .items{
        height: auto;
        padding-bottom: 14rem;
        position: relative;
        width:88%;
        margin: 0 auto;
    }
    .tab-content-vechile-content .items span:nth-child(1){
        font-size: 16rem;
        color: #000;
        margin-left: 0;
    }
    .tab-content-vechile-content .items span:nth-child(2){
        width: auto;
        height: auto;
        color: #000;
        font-size: 7.7rem;
        line-height: 12.68rem;
        margin-left: 0;
    }
    .tab-content-vechile-content .img-phone{
        width: 93%;
        margin: 0 auto;
    }
    .tab-buttons-vechile-content span{
        background-image: none !important;
    }

}