/**
 * banner styles
 **/
.banner .swiper-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet,
.banner .swiper-pagination-horizontal.swiper-pagination-bullets .swiper-pagination-bullet{
    width: 60px;
    height: 4px;
    background-color: #FFFFFF;
    border-radius: 0;
    margin: 0;
    opacity: 1;
}
.banner .swiper-pagination-horizontal.swiper-pagination-bullets .swiper-pagination-bullet-active{
    background-color: #15499A;
}

.banner .banner-item{
    position: relative;
}
.banner .banner-content{
    width: 1200px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    color: #FFFFFF;
}
.banner .banner-title{
    max-width: 1000px;
    font-weight: bold;
    font-size: 46px;
    line-height: 49px;
}
.banner .banner-description{
    font-size: 16px;
    line-height: 24px;
    margin-top: 26px;
    color: rgba(255, 255, 255, .8);
}
.banner .banner-btn{
    width: 160px;
    height: 40px;
    background: #15499A;
    margin-top: 46px;
}
.banner .banner-btn a{
    display: block;
    font-size: 14px;
    color: #FFFFFF;
    text-align: center;
    line-height: 40px;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .banner .banner-content{
        width: 900px;
    }
    .banner .banner-title{
        max-width: 800px;
        font-size: 36px;
        line-height: 40px;
    }
    .banner .banner-description {
        margin-top: 16px;
    }
    .banner .banner-btn{
        margin-top: 36px;
    }
}
@media only screen and (max-width: 1000px) {
    .banner .banner-content{
        width: 700px;
    }
    .banner .banner-title{
        font-size: 30px;
        line-height: 33px;
    }
    .banner .banner-description {
        margin-top: 6px;
        font-size: 14px;
        line-height: 21px;
    }
    .banner .banner-btn{
        width: 120px;
        margin-top: 16px;
    }
}


/*
 * HOT PRODUCTS STYLES
 **/
.hot-products{
    width: 1200px;
    margin: 80px auto;
}
.product-list{
    width: 100%;
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
}
.product-list .product-item{
    width: 24.5%;
    cursor: pointer;
    overflow: hidden;
    margin-top: 20px;
    margin-right: 0.66%;
}
.product-list .product-item:nth-child(4n){
    margin-right: 0;
}
.product-list .product-item .product-item-img{
    width: 100%;
    aspect-ratio: 1 / 1; /* 1:1 的宽高比，即高度等于宽度 */
    overflow: hidden;
}
.product-list .product-item .product-item-img img{
    width: 100%;
    height: 100%;
    transition: all 0.5s ease;
}
.product-list .product-item .product-item-title{
    font-weight: bold;
    font-size: 16px;
    color: #262626;
    line-height: 23px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-top: 10px;
}
.product-list .product-item .product-item-more{
    margin-top: 10px;
    font-size: 13px;
    color: #15499A;
    line-height: 21px;
}
.product-list .product-item:hover .product-item-title{
    color: #15499A;
}
.product-list .product-item:hover .product-item-img img{
    transform: scale(1.1);
}



@media screen and (min-width: 1000px) and (max-width: 1440px) {
    .hot-products{
        width: 900px;
        margin: 60px auto;
    }
    .product-list .product-item{
        margin-top: 10px;
    }
    .product-list .product-item .product-item-title{
        font-size: 14px;
        line-height: 20px;
        margin-top: 6px;
    }
    .product-list .product-item .product-item-more{
        font-size: 12px;
        line-height: 18px;
        margin-top: 6px;
    }
}

@media only screen and (max-width: 1000px) {
    .hot-products{
        width: 700px;
        margin: 40px auto;
    }

    .product-list .product-item{
        margin-top: 5px;
    }
    .product-list .product-item .product-item-title{
        font-size: 12px;
        line-height: 18px;
        margin-top: 3px;
    }
    .product-list .product-item .product-item-more{
        font-size: 10px;
        line-height: 15px;
        margin-top: 3px;
    }
}



/* about styles */
.about{
    width: 100%;
    display: flex;
    align-items: center;
    background: #F7F7F7;
}
.about .about-content{
    width: 50%;
    padding: 0 60px 0 calc( 50% - 600px );
}
.about .about-content .title{
    text-align: left;
}
.about .about-content .title-line{
    margin: 0;
}
.about .about-content .about-description{
    font-size: 12px;
    color: #666666;
    line-height: 18px;
    margin-top: 40px;
}
.about .about-content .about-more{
    width: 120px;
    height: 30px;
    background: #0056B3;
    border-radius: 15px;
    margin-top: 40px;
}
.about .about-content .about-more a{
    display: block;
    font-size: 12px;
    color: #FFFFFF;
    line-height: 30px;
    text-align: center;
}
.about .about-video-wrap{
    width: 50%;
    aspect-ratio: 960 / 416;
    position: relative;
    overflow: hidden;
}
.about .about-video-wrap .about-img{
    width: 100%;
    height: 100%;
}
.about .about-video-wrap .about-img img{
    width: 100%;
    height: 100%;
}
.about .about-video-wrap .about-img .about-img-icon{
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50px;
    height: 50px;
    transform: translate(-50%,-50%);
    cursor: pointer;
    z-index: 1;
}
.about .about-video-wrap .about-video{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 2;
    background-color: #E6E6E6;
    display: none;
}
.about .about-video-wrap .about-video video{
    width: 100%;
    height: 100%;
}




@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .about .about-content{
        padding: 0 40px 0 calc(50% - 450px);
    }
    .about .about-content .about-description,
    .about .about-content .about-more{
        margin-top: 20px;
    }
}

@media only screen and (max-width: 1000px) {
    .about .about-content{
        padding: 0 20px 0 calc(50% - 350px);
    }
    .about .about-content .about-description,
    .about .about-content .about-more{
        margin-top: 10px;
    }
    .about .about-content .about-description{
        line-height: 16px;
    }
    .about .about-video-wrap .about-img .about-img-icon{
        width: 40px;
        height: 40px;
    }
}



.news{
    width: 1200px;
    margin: 80px auto;
}
.news .news-list{
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
}
.news .news-list .news-item{
    width: 32%;
    margin-right: 2%;
    margin-top: 20px;
}
.news .news-list .news-item:nth-child(3n){
    margin-right: 0;
}
.news .news-list .news-item .news-img{
    width: 100%;
    aspect-ratio: 386 / 280;
    overflow: hidden;
}
.news .news-list .news-item .news-img img{
    width: 100%;
    height: 100%;
    transition: all 0.3s;
}
.news .news-list .news-item .news-content{
    width: 100%;
    background: #F7F7F7;
    padding: 20px;
}
.news .news-list .news-item .news-content .news-date{
    font-size: 12px;
    color: #15499A;
    line-height: 14px;
}
.news .news-list .news-item .news-content .news-title{
    font-weight: bold;
    font-size: 18px;
    color: #1A1A1A;
    line-height: 27px;
    margin: 16px 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.news .news-list .news-item .news-content .news-more{
    font-size: 13px;
    color: #666666;
    line-height: 15px;
}
.news .news-list .news-item:hover .news-img img{
    transform: scale(1.1);
}

.news .news-list .news-item.news-item-first{
    width: 100%;
    position: relative;
}
.news .news-list .news-item.news-item-first .news-img{
    aspect-ratio: 1200 / 400;
}
.news .news-list .news-item.news-item-first .news-content{
    position: absolute;
    bottom: 0;
    left: 0;
    background: transparent;
}
.news .news-list .news-item.news-item-first .news-content .news-more{
    display: none;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .news{
        width: 900px;
        margin: 60px auto;
    }
    .news .news-list .news-item{
        margin-top: 10px;
    }
    .news .news-list .news-item .news-content{
        padding: 10px;
    }
    .news .news-list .news-item .news-content .news-title{
        margin: 10px 0;
        font-size: 16px;
        line-height: 24px;
    }
    .news .news-list .news-item .news-content .news-more{
        font-size: 12px;
        line-height: 14px;
    }
}

@media only screen and (max-width: 1000px) {
    .news{
        width: 700px;
        margin: 40px auto;
    }
    .news .news-list .news-item{
        margin-top: 10px;
    }
    .news .news-list .news-item .news-content{
        padding: 5px;
    }
    .news .news-list .news-item .news-content .news-title{
        margin: 5px 0;
        font-size: 14px;
        line-height: 20px;
    }
    .news .news-list .news-item .news-content .news-more{
        font-size: 11px;
        line-height: 14px;
    }
}