.product-container{
    display: flex;
    justify-content: start;
    flex-wrap: wrap;
}
.product-container .left{
    width: 22%;
}
/*类别列表*/
.product-category-list{
    margin-top: 85px;
}
.product-category-list > ul{
}
.product-category-list > ul > li{
    position: relative;
    background: linear-gradient(270deg, #40C3F7 0%, #1E89DF 100%);
    line-height: 6.2rem;
    margin: 5px 0;
    padding: 0 15px;
}
.product-category-list > ul > li a{
    font-size: 2rem;
    color: #FFF;
}
.product-category-list > ul > li.active{
    transition: all .3s linear;
    background: linear-gradient(270deg, #FE813F 0%, #FD3A05 100%);
}
.product-category-list > ul > li > i:nth-child(3){
    position: absolute;
    top: 25px;
    right: 25px;
    width: 15px;
    height: 15px;
    background: url("https://oss.tiandeyi.com/static/home/image/right-arrow.svg") no-repeat center center;
    transition: all .3s linear;
}
.product-category-list > ul > li.active > i:nth-child(3){
    transform: rotate(90deg);
}
.product-category-list > ul > li > ul{
    display: none;
    background: #FFF;
    margin: 0 -15px;
    padding-top: 5px;
}
.product-category-list > ul > li.active > ul{
    display: block;
}
.product-category-list > ul > li > ul > li{
    position: relative;
    line-height: 62px;
    border: 1px solid var(--grey);
    margin-bottom: 5px;
    background: #F4F4F4;
}
.product-category-list > ul > li > ul > li > a{
    padding-left: 50px;
    font-size: 16px;
    color: #707070;
}
.product-category-list > ul > li > ul > li > i{
    position: absolute;
    top: 20px;
    right: 20px;
    width: 20px;
    height: 20px;
    background: var(--blue) url("https://oss.tiandeyi.com/static/home/image/right-arrow.svg") no-repeat center center / 15px 15px;
    border-radius: 100%;
    transition: all .3s linear;
}
.product-category-list > ul > li > ul > li.active > i{
    transform: rotate(90deg);
}
.product-category-list > ul > li > ul > li.active > a{
    color: var(--orange);
}
.product-category-list > ul > li > ul > li > ul{
    display: none;
    background: white;
}
.product-category-list > ul > li > ul > li.active ul{
    display: block;
}
.product-category-list > ul > li > ul > li > ul > li{
    line-height: 62px;
    border-top: 1px solid var(--grey);
}
.product-category-list > ul > li > ul > li > ul > li > a{
    padding-left: 50px;
    font-size: 14px;
    color: #707070;
}
.product-category-list > ul > li > ul > li > ul > li.active > a{
    color: var(--orange);
}
.product-container .right{
    margin-left: 4rem;
    flex: 1;
}
.product-search{
    position: relative;
    width: 40%;
    height: 42px;
    border: 1px solid var(--grey);
    border-radius: 2px;
    margin-left: 60%;
    padding-left: 20px;
}
.product-search input{
    line-height: 42px;
    width: calc(100% - 100px);
}
.product-search button{
    position: absolute;
    top: 5px;
    right: 5px;
    width: 80px;
    height: 32px;
    background: linear-gradient(270deg, #FE8441 0%, #FD3904 100%);
    border-radius: 2px;
}
.product-search button:after{
    position: absolute;
    top: 6px;
    left: 50%;
    width: 20px;
    height: 20px;
    transform: translateX(-50%);
    background: url("https://oss-tiandeyi.oss-cn-shenzhen.aliyuncs.com/static/home/image/search-white.png") no-repeat center center / cover;
    content: "";
}
@media (max-width: 576px) {
    .product-container{
    }
    .product-category-list{
        margin-top: 0px;
    }
    .product-category-list > ul > li{
        line-height: 38px;
    }
    .product-category-list > ul > li > i:nth-child(3){
        top: 13px;
        right: 13px;
    }
    .product-category-list > ul > li > ul > li > i{
        top: 13px;
        right: 13px;
        width: 15px;
        height: 15px;
        background: var(--blue) url("https://oss.tiandeyi.com/static/home/image/right-arrow.svg") no-repeat center center / 10px 10px;
    }
    .product-category-list > ul > li a,
    .product-category-list > ul > li > ul > li > a,
    .product-category-list > ul > li > ul > li > ul > li > a{
        font-size: 12px;
    }
    .product-category-list > ul > li > ul > li{
        line-height: 38px;
    }
    .product-category-list > ul > li > ul > li > ul > li{
        line-height: 38px;
    }
    .product-container .left,
    .product-container .right{
        width: 100%;
    }

    .product-container .right{
        margin-left: 0;
    }
    .product-search{
        position: relative;
        width: 100%;
        height: 42px;
        border: 1px solid var(--grey);
        border-radius: 2px;
        margin-left: 0;
        padding-left: 20px;
    }
}
/*产品列表*/
.product-list{

}
.product-list ul{
    display: flex;
    justify-content: start;
    flex-wrap: wrap;
    margin: 0 -1.5rem;
}
.product-list ul li{
    width: calc(33.333% - 2.5rem);
    margin: 1.25rem;
}
.product-item{
    position: relative;
    border: 1px solid var(--grey);
}
.product-item:after{
    position: absolute;
    left: 0;
    bottom: 0;
    content: '';
    display: block;
    width: 0;
    height: 4px;
    transition: all .5s;
    background-color: var(--orange);
}
.product-item:hover:after{
    width: 100%;
}
.product-item .text{
    padding: 3rem;
}
.product-item .text p:first-child{
    font-size: 1.6rem;
    font-weight: bold;
}
.product-item .text  p:last-child{
    border-top: 1px solid var(--grey);
    margin-top: 2rem;
    padding-top: 2rem;
    color: black;
}
.product-item:hover .text  p:last-child{
    color:  var(--orange);
}
@media (max-width: 576px) {
    .product-list ul{
        margin: 0 -5px;
    }
    .product-list ul li{
        width: calc(50% - 10px);
        margin: 5px;
    }
    .product-item .text{
        padding: 10px;
    }
    .product-item .text p:first-child{
        font-size: 12px;
    }
    .product-item .text  p:last-child{
        border-top: 1px solid var(--grey);
        margin-top: 10px;
        padding-top: 10px;
    }
}

/*产品详情*/
.product-header{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 30px;
}
.product-header .image,
.product-header .text{
    width: calc(50% - 60px);
}
.product-header .image{
    display: flex;
    justify-content: center;
    align-items: center;
}
.swiper{
    --swiper-theme-color: #707070;
    --swiper-pagination-color: #FE671F;/* 两种都可以 */
}
.swiper-pagination-bullet-active {
    width: 25px;
    height: 8px;
    border-radius: 4px;
}
.product-header .text{
}

.product-title{
    position: relative;
    padding-bottom: 25px;
    font-size: 20px;
    color: var(--blue);
}
.product-overview{
    margin-top: 20px;
    color: #666666;
}
.btn-group{
    margin-top: 70px;
}
.btn-group a{
    display: inline-block;
    line-height: 44px;
    border-radius: 5px;
    padding: 0 20px;
    text-align: center;
}

.product-header .text .btn-group a:first-child{
    width: 160px;
    background: var(--blue);
    color: #fff;
}
.product-header .text .btn-group a:last-child{
    border: 1px solid #e5f7fe;
    margin-left: 20px;
    font-weight: bold;
    color: var(--blue);
}
.product-header .text .btn-group a:last-child img{
    width: 26px;
    height: 26px;
}
@media (max-width: 576px) {
    .product-header .text{
        margin-top: 20px;
    }
    .product-title{
        padding-bottom: 0px;
        font-size: 16px;
    }
    .btn-group a{
        line-height: 28px;
        border-radius: 5px;
        padding: 0 20px;
    }
    .product-header .image,
    .product-header .text{
        width: 100%;
    }
}

/*选项卡*/
.product-info-tab{
    position: sticky;
    top: 50px;
    z-index: 99;
    margin-top: 50px;
    background: #F5F5F5;
}
.product-info-tab ul{
    display: flex;
}
.product-info-tab ul li{
    flex: 1;
    line-height: 72px;
    text-align: center;
    font-size: 18px;
    cursor: pointer;
}
.product-info-tab ul li.active{
    border-bottom: 4px solid var(--orange);
    font-weight: bold;
    color: var(--orange);
}

@media (max-width: 576px) {
    .product-info-tab ul li{
        line-height: 38px;
        font-size: 14px;
    }
}

.product-info{
}
.product-info dl{
    display: flex;
    justify-content: start;
    flex-wrap: wrap;
    border-bottom: 1px dashed var(--grey);
}
.product-info dl:last-child{
    border-bottom: none;
}
.product-info dl dt{
    position: relative;
    width: 200px;
    padding-left: 20px;
    font-size: 18px;
}
.product-info dl dt:before{
    position: absolute;
    top: 3px;
    left: 0;
    width: 4px;
    height: 20px;
    background: var(--orange);
    content: "";
}
.product-info dl dd{
    flex: 1;
}
@media (max-width: 576px) {
    .product-info dl dt,
    .product-info dl dd{
        width: 100%;
    }
    .product-info dl dt,
    .product-info dl dd{
        margin-top: 10px;
    }
}