.hero{
    position: relative;
}

.hero::before{
    content: "";
    position: absolute;
    width: 100%;
    height: calc(1080vw / 19.2);
    top: 0;
    left: 0;
    background: linear-gradient(180.00deg, rgba(255, 255, 255, 0) 0.422%,rgba(255, 255, 255, 1) 100%),
    linear-gradient(180.00deg, rgba(202.82, 220.15, 228.82, .5) 0%,rgba(201, 219, 228, 0) 66.717%),
    linear-gradient(158.63deg, rgba(163.94, 190.5, 203.77, .5) -7.978%,rgba(163.94, 190.5, 203.77, 0) 22.88%), rgba(221, 233, 239, .5);
    z-index: 170;
}

.hero .wrapper{
    height: calc(650 * var(--rpx-50));
    padding-top: calc(30 * var(--rpx));
    padding-bottom: calc(60 * var(--rpx));
    position: relative;
    z-index: 200;
}

.hero .hero-content{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: calc(30 * var(--rpx));
}

.hero .left{
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero .right{
    padding-right: calc(121 * var(--rpx-50));
}

.hero .hero-image{
    filter: url(#reflection);
    width: calc(567 * var(--rpx-50));
    aspect-ratio: 5/4;
    height: auto;
    position: relative;
}

.hero .hero-image img{
    display: block;
    width: 100%;
    height: auto;
    position: absolute;
    left: 0;
    top: 0;
}

.quality{
    background-color: rgba(244, 244, 244, 0.8);
    backdrop-filter: blur(10px);
    height: calc(480 * var(--rpx))
}

.quality .wrapper{
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-bottom: calc(30 * var(--rpx));
}

.quality-title{
    position: relative;
    font-size: calc(48 * var(--rpx));
    font-weight: bold;
}

.quality .desc{
    font-size: calc(24 * var(--rpx-75));
    line-height: calc(40em / 24);
    max-width: calc(1200 * var(--rpx));
}

.quality-title .deco{
    position: absolute;
    width: calc(30 * var(--rpx-50));
    height: calc(30 * var(--rpx-75));
    left: calc(-50 * var(--rpx));
    top: calc(-32 * var(--rpx));
}

.quality-title .deco i{
    position: absolute;
    width: 100%;
    height: 100%;
    bottom: 0;
    left: 0;
    transform-origin: center bottom;
}

.quality-title .deco i.gray{
    background-color: #666;
    opacity: .2;
    z-index: 210;
    height: 60%;
    transform: skewX(40deg);
}

.quality-title .deco i.red{
    background-color: #f00;
    z-index: 205;
    transform: skewX(-40deg);
}

section.products{
    padding-top: calc(140 * var(--rpx-50));
    padding-bottom: calc(150 * var(--rpx-50));
}

.product-list{
    --gap: calc(60 * var(--rpx-50));
}

.product{
    height: calc(600 * var(--rpx));
    background: linear-gradient(to bottom, #E1E9ED, #FFFFFF);
    box-shadow: 0 2px 10px rgba(0, 0, 0, .1);

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;

    padding-top: calc(80 * var(--rpx));
    padding-bottom: calc(50 * var(--rpx));
    transition: .2s;
    position: relative;
    overflow: hidden;
}

.product:hover{
    box-shadow: 0 2px 15px rgba(0, 0, 0, .15);
    transition: .4s;
}

.product .cover{
    width: calc(320 * var(--rpx));
    aspect-ratio: 320 / 280;
    height: auto;
    flex: 0 0 auto;
    position: relative;
    z-index: 220;
}
.product .cover img{
    display: block;
    width: 100%;
}

.product .info{
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 220;
}

.product .title{
    font-size: calc(24 * var(--rpx));
    font-weight: bold;
    margin-bottom: calc(24 * var(--rpx));
    position: relative;
    transition: .2s;
}

.product .title::before{
    content: "";
    width: calc(40 * var(--rpx));
    height: 2px;
    background: var(--theme-red);
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    top: calc(-16 * var(--rpx));
    transform: scaleX(0);
    transition: .2s;
}

.product:hover .title::before{
    transform: none;
    transition: .8s cubic-bezier(0.15, 1, 0.336, 1);
}

.product:hover .title{
    transform: translateY(calc(-30 * var(--rpx)));
    transition: .8s cubic-bezier(0.15, 1, 0.336, 1);
}

.product .product-back{
    position: absolute;
    height: auto;
    width: 100%;
    aspect-ratio: 960/907;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    transform: translateY(25%);
    opacity: 0;
    transition: .2s;
    background: url("../images/lv/product_back.webp") center/cover no-repeat;
}

.product:hover .product-back{
    opacity: 1;
    transform: none;
    transition: transform .6s cubic-bezier(0.15, 1, 0.336, 1), opacity .2s;
}

.features{
    display: flex;
    padding-left: clamp(0px, calc(10.4167vw - 100px), 100px);
    padding-right: clamp(30px, calc(12.5vw - 90px), 150px);
    justify-content: space-between;
    align-items: center;
}

.features .left{
    width: calc(320 * var(--rpx));
    height: auto;
}

.features .left img{
    display: block;
    width: 100%;
    height: auto;
}

.feature-list{
    display: flex;
    gap: calc(60 * var(--rpx-50));
}

.feature{
    text-align: center;
}

.feature .line1{
    font-weight: bold;
    font-size: calc(36 * var(--rpx));
    margin-bottom: calc(20 * var(--rpx));
    padding-left: calc(20 * var(--rpx));
    padding-right: calc(20 * var(--rpx));
    white-space: nowrap;
}

.feature .split{
    width: 100%;
    height: calc(47 * var(--rpx));
    background: url("../images/lv/ind.svg") center/auto 100% no-repeat;
}

.feature .line2{
    padding-left: calc(20 * var(--rpx));
    padding-right: calc(20 * var(--rpx));
    white-space: nowrap;
    font-size: calc(24 * var(--rpx));
    margin-top: calc(10 * var(--rpx));
}

.model{
    padding-bottom: calc(80 * var(--rpx-50));
}

.model .specs{
    margin-top: calc(80 * var(--rpx-50));
}

.info{
    padding-top: calc(80 * var(--rpx-50));
    padding-bottom: calc(80 * var(--rpx-50));
}

.model .specs td:nth-of-type(3){
    text-align: left;
}

.info td:first-of-type,
.info td[rowspan="2"]+td{
    text-align: left;
}

section.files{
    padding-top: calc(80 * var(--rpx-50));
    padding-bottom: calc(120 * var(--rpx-50));
}

.page-title.product-title{
    font-size: calc(48 * var(--rpx-50));
    margin-top: 0;
    margin-bottom: calc(10 * var(--rpx))
}

.hero .desc{
    font-size: calc(20 * var(--rpx));
    max-width: calc(640 * var(--rpx-75));
    line-height: calc(34em / 20);
}

.hero .btn-ctn{
    display: flex;
    margin-top: calc(40 * var(--rpx));
    gap: calc(20 * var(--rpx));
}

@media (max-width: 1280px) {
    .quality-title .deco{
        left: calc(12 * var(--rpx));
        top: calc(-50 * var(--rpx));
    }
}


@media (max-width: 960px) {
    .hero .hero-content{
        margin-top: calc(80 * var(--rpx));
    }

    .hero .wrapper{
        height: calc(640 * var(--rpx));
    }

    .feature-list{
        gap: calc(30 * var(--rpx));
    }

    .feature .line2{
        font-size: calc(22 * var(--rpx));
    }

    .hero .right {
        padding-right: 0;
    }

    .quality .desc{
        max-width: unset;
    }

    .product-list{
        --gap: calc(30 * var(--rpx));
    }

    .product{
        height: calc(540 * var(--rpx));
        padding-top: calc(40 * var(--rpx));
    }
}

@media (max-width: 750px) {
    .hero-content{
        display: flex;
        flex-direction: column-reverse;
    }

    .hero .wrapper{
        height: unset;
    }

    .hero .right{
        width: 100%;
    }

    .hero .hero-image{
        width: 80%;
        margin: auto;
    }
    .hero .left{
        margin-top: calc(60 * var(--rpx));
    }

    .hero .desc{
        font-size: 1rem;
    }

    .page-title.product-title{
        font-size: calc(24rem / 16);
    }

    .hero .btn-ctn{
        justify-content: center;
    }

    .hero .wrapper{
        padding-bottom: calc(120 * var(--rpx));
    }

    .hero .hero-content{
        margin-top: calc(100 * var(--rpx));
    }

    .hero .btn-ctn{
        margin-top: calc(80 * var(--rpx));
    }

    .hero .left{
        margin-top: calc(80 * var(--rpx));
    }

    .page-title.product-title{
        margin-bottom: calc(30 * var(--rpx));
    }

    .features{
        align-items: center;
        padding-right: 0;
    }

    .features .left{
        width: 45%;
    }
    .features .right{
        width: 55%;
    }
    .feature-list{
        display: flex;
        flex-direction: column;
        gap: calc(60 * var(--rpx));
    }

    .feature{
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .feature .line1{
        font-size: 1.2rem;
        padding-left: 0;
        padding-right: 0;
    }
    .feature .line2{
        white-space: wrap;
        font-size: 1rem;
        padding-left: 0;
        padding-right: 0;
    }

    .quality{
        height: auto;
        padding-top: calc(80 * var(--rpx));
        padding-bottom: calc(80 * var(--rpx));
    }

    .product-list{
        --column: 1;
    }
    .product .title{
        font-size: 1.5rem;
        margin-bottom: calc(40 * var(--rpx));
    }

    .product .info{
        padding-top: calc(40 * var(--rpx));
        padding-bottom: calc(40 * var(--rpx));
    }

    .product .cover{
        width: calc(600 * var(--rpx));
    }
    .product{
        height: auto;
    }

    .quality-title{
        font-size: calc(28rem / 16);
    }
}

/* product:hover 时，btn-more 呈现 hover 效果 */
.product:hover .btn-more{
    color: #fff;
    transition: .1s .1s;
    animation: btnMoreHovered .3s 0s cubic-bezier(0.63, 0.01, 0.15, 1) forwards;
}

.product:hover .btn-more::after{
    transform: scale(1);
    transition: .3s cubic-bezier(0.15, 1, 0.336, 1);
}