.banner{
    position: relative;
    padding-top: 56.25%;
    max-width: 1920px;
    margin: 0 auto;
    width: 100%;
    overflow: hidden;
}
.banner .pic{
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.2);
    transition: all 3s linear;
}
.banner .scale-pic{
    transform: scale(1);
}
.banner .info{
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    z-index: 3;
    width: 100%;
    max-width: 1430px;
    padding: 0 15px;
    height: 100%;
    display: flex;
    flex-direction: column;
    color: #fff;
    gap: 20px;
}
.banner .info h2{
    font-size: 64px;
    font-weight: bold;
    max-width: 680px;
    line-height: 1.2;
    margin-top: 10%;
}
.banner .info h3{
    font-size: 32px;
    max-width: 680px;
    line-height: 1.2;
    font-weight: normal;
}


.product-list{
    width: 100%;
    max-width: 1430px;
    padding: 0 15px;
    margin: 0 auto;
    margin-top: var(--section-top);
    position: relative;
    padding-bottom: 50px;
}
.product-list ul{
    /* display: flex;
    flex-direction: column;
    gap: 40px; */
}
.swiper-container1{
    overflow: hidden;
}
.product-list ul li{
    background-color: #F5F6F8;
    border-radius: var(--default-border-radius);
    padding: 50px;
}
.product-list ul li dl{
    display: flex;
    flex-direction: row;
    align-items: center;
}
.product-list ul li dl dt{
    flex: 1;
    padding: 50px;
}
.product-list ul li dl dt img{
    aspect-ratio: 5.44 / 3.9;
    width: 100%;
    object-fit: cover;
}
.product-list ul li dl dd{
    flex: 1;
    padding:0 50px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.product-list ul li dl dd .model{
    font-size: 16px;
    font-weight: bold;
    border: 1px solid #26425F;
    display: flex;
    height: 30px;
    border-radius: 15px;
    padding: 0 15px;
    color: #26425F;
    flex-direction: row;
    align-items: center;
    line-height: 1;
    margin-bottom: 8px;
}
.product-list ul li dl dd h2{
    color: #111111;
    font-size: 32px;
    font-weight: bold;
}
.product-list ul li dl dd h3{
    font-weight: normal;
    font-size: 20px;
}
.product-list ul li dl dd .default-btn{
    margin-top: 50px;
}
.product-list ul li dl dd .advantages{
    display: flex;
    flex-direction: row;
    margin-top: 100px;
    width: 100%;
    gap: 20px;
}
.product-list ul li dl dd .advantages .item{
    font-size: 16px;
    color: #111111;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.product-list ul li dl dd .advantages .line{
    width: 1px;
    display: flex;
    flex-direction: row;
    align-items: center;
}
.product-list ul li dl dd .advantages .line::before{
    content: '';
    width: 1px;
    height: 40px;
    background-color: #D9D9D9;
}
.product-list ul li dl dd .advantages .item span{
    color: #888888;
}
.product-list ul li dl dd .advantages .line:last-child{
    display: none;
}

.video-list{
    max-width: 1920px;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    margin-top: var(--section-top);
    position: relative;
    padding-top: 30.2%;
}
.video-list .swiper-container2{
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
}
.video-list .swiper-container2 .swiper-slide{
    width: 55%;
    height: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
}
.video-list .swiper-container2 .swiper-slide .swiper-slide-inner{
    position: relative;
    border-radius: var(--default-border-radius);
    overflow: hidden;
    height: 80%;
    width: 100%;
    transition: height .2s;
    position: relative;
}
.video-list .swiper-container2 .swiper-slide-active .swiper-slide-inner{
    height: 100%;
}
.video-list .swiper-container2 .swiper-slide .swiper-slide-inner .btn{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    z-index: 3;
    cursor: pointer;
}
.video-list .swiper-container2 .prev-btn,.video-list .swiper-container2 .next-btn{
    position: absolute;
    top: 50%;
    background-color: rgba(0, 0, 0, .3);
    z-index: 3;
    width: 50px;
    height: 50px;
    margin-top: -25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.video-list .swiper-container2 .prev-btn:hover,.video-list .swiper-container2 .next-btn:hover{
    background-color: rgba(0, 0, 0, .6);
}
.video-list .swiper-container2 .prev-btn{
    left: 15%;
}
.video-list .swiper-container2 .next-btn{
    right: 15%;
    cursor: pointer;
}
.video-list .swiper-container2 .iconfont{
    font-size: 20px;
    color: #fff;
}
.video-list .swiper-container2 .swiper-slide .swiper-slide-inner .btn .fa{
    font-size:120px;
    color: #fff;
    opacity: .8;
}
.video-list .swiper-container2 .swiper-slide .swiper-slide-inner img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: relative;
    z-index: 1;
}

.core{
    margin: 0 auto;
    max-width: 1920px;
    margin: 0 auto;
    margin-top: var(--section-top);
    position: relative;
    padding-top: 52%;
}
.core .pic{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}
.core .info{
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    max-width: 1430px;
    width: 100%;
    padding: 0 15px;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    color: #fff;
}
.core .info h2{
    margin-top: 10%;
    font-size: 40px;
    color: #fff;
    font-weight: bold;
    width: 50%;
    line-height: 1.2;
}
.core .info p{
    font-size: 24px;
    color: #fff;
    width: 50%;
    line-height: 1.2;
    margin-top: 20px;
}
.core .info .default-btn{
    margin-top: 40px;
}

.clean{
    max-width: 1430px;
    padding: 0 15px;
    margin: 0 auto;
    width: 100%;
    margin-top: var(--section-top);
}
.title{
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
}
.title .text{
    flex: 1;
}
.title .text h2{
    font-size: 40px;
    color: #111111;
    font-weight: bold;
}
.title .text p{
    font-size: 20px;
    color: #444444;
}
.title .text {
    font-size: 20px;
    color: #444444;
}
.title .link{
    font-size: 20px;
    color: #888888;
    transition: all .3s;
}
.title .link:hover{
    color: #285bdb;
    transform: translateX(-8px);
}
.clean .list{
    margin-top: var(--section-top);
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.clean .list .item-row{
    display: flex;
    flex-direction: row;
    gap: 20px;
}
.clean .list .item-row .img-box{
    aspect-ratio: 39/32;
    width: 28.68%;
    overflow: hidden;
    border-radius: 24px;
}
.clean .list .row1 .img-box:nth-child(1){
    aspect-ratio: 58/32;
    width: 42.65%;
}
.clean .list .item-row .img-box img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.clean .list .row2 .img-box{
    aspect-ratio: 39/46;
}
.clean .list .row2 .item-column{
    width: 42.65%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.clean .list .row2 .item-column .img-box{ 
    width: 100%;
    aspect-ratio: 58/22;
}

.smart-app{
    background-size: 1920px 800px;
    background-position: right top;
    margin-top: var(--section-top);
    background-repeat: no-repeat;
}
.smart-app .inner{
    max-width: 1430px;
    padding: 0 15px;
    margin: 0 auto;
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: flex-start
}
.smart-app .inner h2{
    margin-top: 160px;
    font-size: 40px;
    color: #fff;
    font-weight: bold;
    width: 50%;
    line-height: 1.2;
}
.smart-app .inner .default-btn{
    margin-top: 40px;
}
.smart-app .inner ul{
    margin-top: 240px;
    display: flex;
    flex-direction: row;
    gap: 20px;
}
.smart-app .inner ul li{
    flex: 1;
    background-color: #F4F4F3;
    color: #111111;
    padding-bottom: 10px;
    border-radius: 24px;
    overflow: hidden;
}
.smart-app .inner ul li h3{
    font-weight: bold;
    font-size: var(--text-font-size-20);
    padding: 0 10px;
    margin-top: 10px;
}
.smart-app .inner ul li p{
    font-size: var(--text-font-size-16);
    padding: 0 10px;
    margin-top: 10px;
}
.smart-app .inner ul li .img-box{
    aspect-ratio: 45.3/30;
    overflow: hidden;
    border-radius: 24px 24px 0 0;
}
.smart-app .inner ul li .img-box .pic{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about{
    max-width: 1430px;
    margin: 0 auto;
    width: 100%;
    padding: 0 15px;
    margin-top: var(--section-top);
}
.about .img-box{
    border-radius: var(--default-border-radius);
    overflow: hidden;
    margin-top: 40px;
}
.about .img-box .pic{
    width: 100%;
    display: block;
}

.assure{
	margin-top: var(--section-top);
}
.assure-inner{
	width: 100%;
	max-width: 1430px;
	margin: 0 auto;
	padding: 0 15px;
}
.assure-inner ul{
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	gap: 50px;
	justify-content: center;
}
.assure-inner ul li{
	width: calc(33.333% - (50px * 2) / 3);
	display: flex;
	flex-direction: column;
	align-items: center;
}
.assure-inner ul li .item-top ,.assure-inner ul li .item-bottom{
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	align-items: center;
	gap: 16px;
}
.assure-inner ul li .item-top h3{
	font-size: var(--text-font-size-20);
	color: #111111;
    margin-top: 20px;
}
.assure-inner ul li .item-bottom p{
	text-align: center;
	font-size: var(--text-font-size-16);
	color: #111111;
    margin-top: 20px;
}
.assure-inner ul li .item-top .icon{
	width: 64px;
	height: 64px;
	object-fit: cover;
}

.help-find{
    max-width: 1430px;
    margin: 0 auto;
    width: 100%;
    padding: 0 15px;
    margin-top: var(--section-top);
}
.help-find .inner{
    display: flex;
    flex-direction: row;
    gap: 20px;
}
.help-find .inner .help{
    width: 40%;
    background-color: #F4F4F3;
    border-radius: var(--default-border-radius);
    padding: 40px;
    color: #111111;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.help-find .inner .help h3{
    font-size: 32px;
    font-weight: bold;
}
.help-find .inner .help p{
    font-size: 16px;
}
.help-find .inner .help .default-btn{
    margin-top: 30px;
    height: 40px;
    font-size: 20px;
}
.help-find .inner .find{
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px;
    background: linear-gradient( 40deg, #50D3FF 0%, #285BDB 100%);
    border-radius: var(--default-border-radius);
    color: #fff;
}
.help-find .inner .find .link{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.help-find .inner .find .link .default-btn{
    height: 40px;
    font-weight: bold;
    font-size: var(--text-font-size-20);
}
.help-find .inner .find .link span{
    font-size: var(--text-font-size-32);
}
.help-find .inner .find h3{
    font-size: var(--text-font-size-32);
    font-weight: bold;
}
.help-find .inner .find p{
    font-size: var(--text-font-size-16);
}


@media screen and (max-width: 1300px) {
    .banner .info h2{
        font-size: 50px;
        max-width: 544px;
    }
    .banner .info h3{
        font-size: 25px;
        max-width: 544px;
    }

    .product-list ul li{
        padding: 25px;
    }
    .product-list ul li dl dt{
        padding: 25px;
    }
    .product-list ul li dl dd{
        padding: 25px;
    }
    .product-list ul li dl dd h2{
        font-size: 25px;
    }
    .product-list ul li dl dd h3{
        font-size: 16px;
    }
    .product-list ul li dl dd .default-btn{
        margin-top: 40px;
    }
    .product-list ul li dl dd .advantages{
        margin-top: 40px;
    }
    .product-list ul li dl dd .advantages .item{
        font-size: 14px;
    }

    .video-list .swiper-container2 .prev-btn, .video-list .swiper-container2 .next-btn{
        width: 30px;
        height: 30px;
    }
    .video-list .swiper-container2 .iconfont{
        font-size: 16px;
    }

    .core .info h2{
        font-size: 32px;
    }
    .core .info p{
        font-size: 19px;
    }

    .title .text h2{
        font-size: 32px;
    }
    .title .text p{
        font-size: 16px;
    }
    .title .link{
        font-size: 16px;
    }

    .help-find .inner .help h3{
        font-size: 25px;
    }
    .help-find .inner .help p{
        font-size: 13px;
    }
    .help-find .inner .help .default-btn{
        font-size: 16px;
    }
    .help-find .inner .help{
        padding: 30px;
    }
    .help-find .inner .find{
        padding: 30px;
    }
}

@media screen and (max-width: 1024px) {

    .banner .info h2{
        font-size: 40px;
        max-width: 435px;
    }
    .banner .info h3{
        font-size: 20px;
        max-width: 435px;
    }
    
    .product-list ul li dl{
        flex-direction: column;
    }
    .product-list ul li dl dt{
        justify-content: center;
        display: flex;
        flex-direction: row;
    }
    .product-list ul li dl dt img{
        max-width: 500px;
    }

    .video-list .swiper-container2 .prev-btn{
        left: 13%;
    }
    .video-list .swiper-container2 .next-btn{
        right: 13%;
    }
    .video-list .swiper-container2 .swiper-slide .swiper-slide-inner .btn .fa{
        font-size: 80px;
    }

    .core .info h2{
        font-size: 25px;
    }
    .core .info p{
        font-size: 15px;
        margin-top: 15px;
    }
    .core .info .default-btn{
        margin-top: 30px;
    }

    .clean .list{
        gap: 10px;
    }
    .clean .list .item-row{
        gap: 10px;
    }
    .clean .list .item-row .img-box{
        border-radius: 16px;
    }
    .clean .list .row2 .item-column{
        gap: 10px;
    }

    .smart-app .inner h2{
        margin-top: 80px;
        font-size: 32px;
    }
    .smart-app .inner ul{
        margin-top: 120px;
        gap: 15px;
    }
    .smart-app{
        background-size: 1200px 500px;
    }
    .smart-app .inner ul li .img-box{
        border-radius: 16px 16px 0 0;
    }
    .smart-app .inner ul li{
        border-radius: 16px;
    }

    .assure-inner ul li .item-top .icon{
        width: 40px;
        height: 40px;
    }
    .assure-inner ul li .item-bottom p{
        margin-top: 10px;
    }
    .assure-inner ul li .item-top{
        gap: 10px;
    }

    .help-find .inner{
        flex-direction: column;
    }
    .help-find .inner .help{
        width: 100%;
    }
    .help-find .inner .find h3{
        margin-top: 10px;
    }
}

@media screen and (max-width: 768px) {
    :root{
        --section-top:50px;
    }

    .banner .info h2{
        font-size: 32px;
        max-width: 360px;
    }
    .banner .info h3{
        font-size: 16px;
        max-width: 360px;
    }

    .product-list ul li dl dd .default-btn{
        margin-top: 30px;
    }
    .product-list ul li dl dd .advantages{
        margin-top: 60px;
    }
    .product-list ul li dl dd .advantages .item{
        font-size: 12px;
    }
    
    .video-list .swiper-container2 .swiper-slide{
        width: 70%;
    }
    .video-list {
        padding-top: 38.9%;
    }
    .video-list .swiper-container2 .prev-btn{
        left: 5%;
    }
    .video-list .swiper-container2 .next-btn{
        right: 5%;
    }
    .core .info h2{
        font-size: 20px;
    }
    .core .info p{
        font-size: 12px;
    }
    
    .title .text h2{
        font-size: 25px;
    }
    .title .text p{
        font-size: 13px;
    }
    .title .link{
        font-size: 13px;
    }

    .smart-app{
        background-size: 768px 320px;
    }
    .smart-app .inner h2{
        font-size: 25px;
    }
    .smart-app .inner ul{
        flex-direction: column;
    }

    .assure-inner ul{
        flex-direction: column;
        gap: 40px;
    }
    .assure-inner ul li{
        width: 100%;
    }
}

@media screen and (max-width: 620px) {
    .banner{
        padding-top: 348px;
    }
    .banner .pic{
        object-position: 60% 50%;
    }
    .banner .info{
        gap: 10px;
    }
    .banner .info h2{
        font-size: 25px;
        max-width: 288px;
    }
    .banner .info h3{
        font-size: 13px;
        max-width: 288px;
    }
    
    .product-list ul li{
        padding: 0;
    }
    .product-list ul li dl dd .advantages{
        margin-top: 40px;
        gap: 15px;
    }
    .product-list ul li dl dd h2{
        font-size: 22px;
    }
    .product-list ul li dl dd .model{
        font-size: 14px;
        height: 26px;
    }
    .product-list ul li dl dd h3{
        font-size: 14px;
    }
    .video-list .swiper-container2 .prev-btn, .video-list .swiper-container2 .next-btn{
        display: none;
    }

    .core{
        padding-top: 0;
    }
    .core .info{
        position: relative;
        padding: 20px 15px;
    }
    .core .info h2{
        margin-top: 0;
        font-size: 16px;
    }
    .core .info p{
        font-size: 10px;
    }

    .clean .list .item-row{
        flex-direction: column;
    }
    .clean .list .item-row .img-box{
        width: 100% !important;
    }
    .clean .list .row2 .item-column{
        width: 100% !important;
    }
    
    .help-find .inner .find .link{
        flex-direction: column;
        gap: 20px;
    }
}