body{
    background: #191919;
}
.title{
    width: 1200px;
    font-weight: bold;
    font-size: 24px;
    color: #FFFFFF;
    line-height: 27px;
    text-align: left;
    margin: 30px auto;
}
.content{
    display: flex;
    margin-bottom: 0;
}
.content .product-info{
    width: 77.5%;
}
.content .product-info .product-video-wrap{
    width: 100%;
    aspect-ratio: 16 / 9;
    position: relative;
    overflow: hidden;
}
.content .product-info .product-video-wrap .product-img{
    width: 100%;
    height: 100%;
}
.content .product-info .product-video-wrap .product-img img{
    width: 100%;
    height: 100%;
}
.content .product-info .product-video-wrap .product-img .product-img-icon{
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50px;
    height: 50px;
    transform: translate(-50%,-50%);
    cursor: pointer;
    z-index: 1;
}
.content .product-info .product-video-wrap .product-video{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 2;
    background-color: #E6E6E6;
    display: none;
}
.content .product-info .product-video-wrap .product-video video{
    width: 100%;
    height: 100%;
}
.content .product-info .product-mark{
    background: #26262B;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
}
.content .product-info .product-mark .product-mark-content{
    display: flex;
    line-height: 63px;
}
.content .product-info .product-mark .product-mark-content .product-mark-title{
    font-size: 16px;
    color: #FFFFFF;
}
.content .product-info .product-mark .product-mark-content .product-mark-list{
    display: flex;
}
.content .product-info .product-mark .product-mark-content .product-mark-list .product-mark-img{
    margin-left: 10px;
}
.content .product-info .product-mark .product-button{
    width: 100px;
    height: 30px;
    background: #0070D9;
    border-radius: 15px;
    margin-top: 16px;
    font-size: 16px;
    color: #FFFFFF;
    text-align: center;
    line-height: 30px;
    cursor: pointer;
}

.content .product-info .product-attribute{
    background: #2B2B2B;
    display: flex;
    flex-wrap: wrap;
    padding: 20px 20px 0;
}
.content .product-info .product-attribute .product-attribute-item{
    min-width: 50%;
    display: grid;
    margin-bottom: 20px;
    grid-template-columns: 112px 1fr;
    word-break: break-all;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 18px;
}
.content .product-info .product-attribute .product-attribute-item .product-attribute-title{
    color: rgba(255, 255, 255, .6);
}


.content .hot-products{
    width: 22.5%;
    border: 1px solid #484848;
    flex: 1;
    position: relative;
}
.content .products-list{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    padding: 20px;
    overflow-y: scroll;
}
/* 自定义滚动条的轨道（背景） */
.content .products-list::-webkit-scrollbar {
    width: 2px; /* 滚动条的宽度 */
}
/* 自定义滚动条的轨道（容器） */
.content .products-list::-webkit-scrollbar-track {
    background: transparent; /* 轨道的背景色 */
    border-radius: 2px; /* 圆角 */
}
/* 自定义滚动条的滑块（可拖动部分） */
.content .products-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, .7); /* 滑块的颜色 */
    border-radius: 2px; /* 圆角 */
}

.content .products-list .title{
    width: 100%;
    font-weight: bold;
    font-size: 20px;
    color: #FFFFFF;
    line-height: 22px;
    text-align: left;
    margin: 0;
}
.content .products-list li{
    width: 100%;
    margin-top: 20px;
    cursor: pointer;
}
.content .products-list li .product-list-video{
    width: 100%;
    aspect-ratio: 229 / 131; /* 1:1 的宽高比，即高度等于宽度 */
    position: relative;
}
.content .products-list li .product-list-video img{
    width: 100%;
    height: 100%;
}
.content .products-list li .product-list-video .product-list-video-icon{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0,0,0,.4);
    display: none;
}
.content .products-list li .product-list-video .product-list-video-icon img{
    width: 20px;
    height: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.content .products-list li:hover .product-list-video .product-list-video-icon{
    display: block;
}
.content .products-list li .product-list-title{
    font-weight: bold;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 24px;
    margin-top: 10px;
}



@media screen and (min-width: 1000px) and (max-width: 1440px) {
    .title{
        width: 900px;
    }
    .content .product-info .product-mark{
        padding: 0 10px;
    }
    .content .product-info .product-attribute{
        padding: 20px 10px 0;
    }
    .content .product-info .product-attribute .product-attribute-item{
        margin-bottom: 15px;
        font-size: 14px;
    }
    .content .products-list li .product-list-title{
        font-size: 14px;
        line-height: 20px;
    }
}

@media only screen and (max-width: 1000px) {
    .title{
        width: 700px;
        margin: 20px auto;
    }
    .content .product-info .product-mark{
        padding: 0 10px;
    }
    .content .product-info .product-attribute{
        padding: 20px 10px 0;
    }
    .content .product-info .product-attribute .product-attribute-item{
        margin-bottom: 10px;
        font-size: 12px;
    }
    .content .products-list li .product-list-title{
        font-size: 12px;
        line-height: 16px;
    }
}


/**
 * product content styles
 **/
.product-content{
    width: 1200px;
    margin: 60px auto;
}
.product-content .product-content-title{
    font-size: 24px;
    color: #FFFFFF;
    line-height: 54px;
    font-weight: bold;
    border-bottom: 1px solid #E6E6E6;
    cursor: pointer;
}
.product-content .product-content-title::before{
    content: '';
    display: inline-block;
    width: 4px;
    height: 12px;
    background: #0070D9;
    margin-right: 10px;
    vertical-align: middle;
}
.product-content .product-content-text{
    padding: 20px 0;
    color: #FFFFFF;
}
.product-content .product-content-text p,
.product-content .product-content-text span{
    text-wrap: wrap !important;
}
.product-content .product-content-case{
    margin: 0 auto;
}
.product-content .product-content-case ul{
    display: flex;
    flex-wrap: wrap;
}
.product-content .product-content-case ul .product-content-case-item{
    width: 24%;
    margin-right: 1.3%;
    margin-top: 20px;
    cursor: pointer;
    overflow: hidden;
}
.product-content .product-content-case ul .product-content-case-item:nth-child(-n+4){
    margin-top: 0;
}
.product-content .product-content-case ul .product-content-case-item:nth-child(4n){
    margin-right: 0;
}
.product-content .product-content-case ul .product-content-case-item img{
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}
.product-content .product-content-case ul .product-content-case-item:hover img{
    transform: scale(1.1);
}
.product-content .product-content-certificate{
    margin: 0 auto;
}
.product-content .product-content-certificate ul{
    display: flex;
    flex-wrap: wrap;
}
.product-content .product-content-certificate ul .product-content-certificate-item{
    width: 24%;
    margin-right: 1.3%;
    margin-top: 20px;
    cursor: pointer;
    overflow: hidden;
}
.product-content .product-content-certificate ul .product-content-certificate-item:nth-child(-n+4){
    margin-top: 0;
}
.product-content .product-content-certificate ul .product-content-certificate-item:nth-child(4n){
    margin-right: 0;
}
.product-content .product-content-certificate ul .product-content-certificate-item img{
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}
.product-content .product-content-certificate ul .product-content-certificate-item:hover img{
    transform: scale(1.1);
}

.product-content .product-item.active .product-content-title .product-content-title-arrow{
    transform: rotate(180deg);
}
.product-content .product-item.active .product-content-text,
.product-content .product-item.active .product-content-case,
.product-content .product-item.active .product-content-certificate{
    display: none;
}

@media screen and (min-width: 1000px) and (max-width: 1440px) {
    .product-content{
        width: 900px;
    }
}

@media only screen and (max-width: 1000px) {
    .product-content{
        width: 700px;
    }
}