/**
 * banner styles
 **/
.swiper-pagination-bullet{
    width: 60px;
    height: 4px;
    background-color: #FFFFFF;
    border-radius: 0;
    opacity: 1;
    margin: 0!important;
}
.swiper-pagination-bullet-active{
    background-color: #E60012;
}
.banner .swiper-slide-content{
    position: absolute;
    width: 1200px;
    top: calc(50% + 30px);
    left: 50%;
    transform: translate(-50%, -50%);
    color: #FFFFFF;
}
.banner .swiper-slide-content .swiper-slide-content-title{
    font-weight: bold;
    font-size: 60px;
    line-height: 90px;
}
.banner .swiper-slide-content .swiper-slide-content-text{
    font-size: 20px;
    line-height: 30px;
    margin-top: 30px;
}
.banner .swiper-slide-content .swiper-slide-content-btn{
    margin-top: 60px;
}
.banner .swiper-slide-content .swiper-slide-content-btn .swiper-slide-content-btn-text{
    width: 152px;
    height: 58px;
    background: #E60012;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 58px;
    text-align: center;
    float: left;
    cursor: pointer;
}
.banner .swiper-slide-content .swiper-slide-content-btn .swiper-slide-content-btn-icon{
    width: 58px;
    height: 58px;
    background: #FFFFFF url(../images/banner-more.webp) no-repeat center;
    float: left;
    cursor: pointer;
}

@media screen and (min-width: 1000px) and (max-width: 1440px){
    .banner .swiper-slide-content{
        width: 900px;
    }
    .banner .swiper-slide-content .swiper-slide-content-title{
        font-size: 40px;
        line-height: 60px;
    }
    .banner .swiper-slide-content .swiper-slide-content-text{
        font-size: 16px;
        line-height: 24px;
        margin-top: 20px;
    }
    .banner .swiper-slide-content .swiper-slide-content-btn{
        margin-top: 40px;
    }
}
@media screen and (max-width: 1000px){
    .banner .swiper-slide-content{
        width: 700px;
    }
    .banner .swiper-slide-content .swiper-slide-content-title{
        font-size: 30px;
        line-height: 45px;
    }
    .banner .swiper-slide-content .swiper-slide-content-text{
        font-size: 14px;
        line-height: 20px;
        margin-top: 10px;
    }
    .banner .swiper-slide-content .swiper-slide-content-btn{
        margin-top: 20px;
    }
}



/**
 * service styles
 **/
.service{
    width: 1200px;
    margin: -100px auto;
    position: relative;
    z-index: 10;
}
.service .service-list{
    width: 100%;
}
.service .service-list .service-item{
    width: 33%;
    height: 200px;
    float: left;
    text-align: center;
    background: #FFFFFF;
    cursor: pointer;
}
.service .service-list .service-item .service-item-img{
    width: 60px;
    height: 60px;
    margin: 42px auto 30px;
}
.service .service-list .service-item .service-item-img img{
    width: 100%;
    height: 100%;
}
.service .service-list .service-item .service-item-img img.normal{
    display: block;
}
.service .service-list .service-item .service-item-img img.active{
    display: none;
}
.service .service-list .service-item .service-item-title{
    font-weight: bold;
    font-size: 24px;
    color: #1A1A1A;
    line-height: 27px;
}
.service .service-list .service-item:hover{
    background: #E60012;
}
.service .service-list .service-item:hover .service-item-title{
    color: #FFFFFF;
}
.service .service-list .service-item:hover .service-item-img img.normal{
    display: none;
}
.service .service-list .service-item:hover .service-item-img img.active{
    display: block;
}

@media screen and (min-width: 1000px) and (max-width: 1440px){
    .service{
        width: 900px;
        margin: -80px auto;
    }
    .service .service-list .service-item{
        height: 160px;
    }
    .service .service-list .service-item .service-item-img{
        margin: 30px auto 20px;
    }
    .service .service-list .service-item .service-item-title{
        font-size: 20px;
    }
}
@media screen and (max-width: 1000px){
    .service{
        width: 700px;
        margin: -60px auto;
    }
    .service .service-list .service-item{
        height: 120px;
    }
    .service .service-list .service-item .service-item-img{
        margin: 20px auto;
        width: 40px;
        height: 40px;
    }
    .service .service-list .service-item .service-item-title{
        font-size: 16px;
    }
}

.index_title{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.index_title .title{
    font-weight: bold;
    font-size: 40px;
    color: #1A1A1A;
    line-height: 44px;
    text-align: left;
}
.index_title .description{
    font-size: 16px;
    color: #666666;
    line-height: 17px;
    margin-top: 20px;
    text-align: left;
}
.index_title .title_more{
    width: 181px;
    height: 46px;
    color: #1A1A1A;
    border: 1px solid #E6E6E6;
    border-radius: 4px 4px 4px 4px;
    font-size: 14px;
    text-align: center;
    line-height: 46px;
    cursor: pointer;
    background: #FFFFFF;
}
.index_title .title_more img{
    width: 20px;
    height: 6px;
    margin-left: 10px;
}
.index_title .title_more img.active{
    display: none;
}
.index_title .title_more:hover{
    background: #E60012;
    color: #FFFFFF;
    border-color: #E60012;
}
.index_title .title_more:hover img.normal{
    display: none;
}
.index_title .title_more:hover img.active{
    display: inline-block;
}

@media screen and (min-width: 1000px) and (max-width: 1440px){
    .index_title{
        width: 900px;
    }
    .index_title .title{
        font-size: 30px;
        line-height: 33px;
    }
    .index_title .description{
        font-size: 14px;
        margin-top: 10px;
    }
    .index_title .title_more{
        width: 140px;
        height: 36px;
        font-size: 12px;
        line-height: 36px;
    }
}
@media screen and (max-width: 1000px){
    .index_title{
        width: 700px;
    }
    .index_title .title{
        font-size: 24px;
        line-height: 27px;
    }
    .index_title .description{
        font-size: 12px;
        margin-top: 10px;
    }
    .index_title .title_more{
        width: 100px;
        height: 28px;
        font-size: 10px;
        line-height: 28px;
    }
    .index_title .title_more img{
        width: 15px;
        height: 4px;
        margin-left: 5px;
    }
}



/**
 * hot products styles
 **/
.hot-products-warp{
    width: 100%;
    padding: 100px 0 60px;
    background: #F3F5F7;
}
.hot-products{
    width: 1200px;
    margin: 60px auto 0;
}
.hot-products .hot-products-list{
    width: 100%;
    margin-top: 10px;
}
.hot-products .hot-products-list .hot-products-item{
    width: 49%;
    margin-right: 2%;
    margin-top: 20px;
    float: left;
    border: 1px solid #ECECEC;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #FFFFFF;
}
.hot-products .hot-products-list .hot-products-item:nth-child(2n){
    margin-right: 0;
}
.hot-products .hot-products-list .hot-products-item .hot-products-item-img{
    width: 48%;
    aspect-ratio: 1 / 1; /* 1:1 的宽高比，即高度等于宽度 */
    overflow: hidden;
}
.hot-products .hot-products-list .hot-products-item .hot-products-item-img img{
    width: 100%;
    height: 100%;
    transition: all 0.5s;
}
.hot-products .hot-products-list .hot-products-item .hot-products-item-content{
    width: 48%;
    padding-right: 2%;
}
.hot-products .hot-products-list .hot-products-item .hot-products-item-title{
    width: 100%;
    font-weight: bold;
    font-size: 16px;
    color: #1A1A1A;
    line-height: 24px;
    display: -webkit-box;          /* 将元素设置为弹性盒子 */
    -webkit-box-orient: vertical;  /* 设置内容垂直排列 */
    -webkit-line-clamp: 2;         /* 限制显示的行数 */
    overflow: hidden;              /* 隐藏超出部分 */
    text-overflow: ellipsis;       /* 超出部分显示省略号 */
    margin-bottom: 15px;
}
.hot-products .hot-products-list .hot-products-item .hot-products-item-line{

    width: 100%;
    height: 1px;
    background: #EBEBEB;
}
.hot-products .hot-products-list .hot-products-item .hot-products-item-text{
    font-size: 14px;
    color: #505050;
    line-height: 40px;
    display: grid;
    grid-template-columns: 100px 1fr;
}
.hot-products .hot-products-list .hot-products-item .hot-products-item-text .hot-products-item-text-content{
    color: #000000;
    font-weight: bold;
    line-height: 20px;
    display: flex;
    align-items: center;
}
.hot-products .hot-products-list .hot-products-item .hot-products-item-more{
    width: 135px;
    height: 36px;
    background: #E60012;
    border-radius: 4px;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 36px;
    text-align: center;
    margin-top: 20px;
    display: block;
}


@media screen and (min-width: 1000px) and (max-width: 1440px){
    .hot-products{
        width: 900px;
    }
    .hot-products .hot-products-list .hot-products-item .hot-products-item-title{
        font-size: 14px;
        line-height: 21px;
        margin-bottom: 5px;
    }
    .hot-products .hot-products-list .hot-products-item .hot-products-item-text{
        font-size: 12px;
        line-height: 30px;
        grid-template-columns: 80px 1fr;
    }
    .hot-products .hot-products-list .hot-products-item .hot-products-item-text .hot-products-item-text-content{
        line-height: 18px;
    }
    .hot-products .hot-products-list .hot-products-item .hot-products-item-more{
        margin-top: 10px;
        height: 30px;
        line-height: 30px;
    }
}
@media screen and (max-width: 1000px){
    .hot-products{
        width: 700px;
    }
    .hot-products .hot-products-list .hot-products-item{
        width: 100%;
        margin-right: 0;
    }
}


/**
 * about styles
 **/
.about{
    width: 1200px;
    margin: 60px auto;
}
.about .about-content{
    width: 100%;
    margin-top: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.about .about-content .about-content-left{
    width: 590px;
    aspect-ratio: 590 / 319;
    border-radius: 12px;
}
.about .about-content .about-content-left img{
    width: 100%;
}
.about .about-content .about-content-right{
    width: 580px;
}
.about .about-content .about-content-right .title{
    text-align: left;
}
.about .about-content .about-content-right .about-content-right-text{
    font-size: 16px;
    color: #666666;
    line-height: 32px;
    margin-top: 20px;
}

.about-engineering-warp{
    width: 100%;
    height: 200px;
    background: #E60012;
    margin-top: 60px;
}
.about-engineering{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.about-engineering .about-engineering-item{
    width: 25%;
    font-size: 16px;
    color: #FFFFFF;
    cursor: pointer;
    display: flex;
    justify-content: center;
    margin-top: 50px;
}
.about-engineering .about-engineering-item .about-engineering-item-img{
    width: 60px;
    height: 60px;
    margin-right: 20px;
}
.about-engineering .about-engineering-item .about-engineering-item-img img{
    width: 100%;
    height: 100%;
    transition: all 0.5s ease;
}
.about-engineering .about-engineering-item .about-engineering-item-num{
    font-weight: bold;
    font-size: 47px;
    line-height: 53px;
}
.about-engineering .about-engineering-item .about-engineering-item-title{
    font-size: 18px;
    line-height: 20px;
    margin-top: 25px;
}
.about-engineering .about-engineering-item:hover .about-engineering-item-img img{
    transform: rotateY(180deg);
}



@media screen and (min-width: 1000px) and (max-width: 1440px){
    .about{
        width: 900px;
    }
    .about .about-content{
        margin-top: 40px;
    }
    .about .about-content .about-content-left{
        width: 442px;
    }
    .about .about-content .about-content-right{
        width: 435px;
    }
    .about .about-content .about-content-right .about-content-right-text{
        font-size: 14px;
        line-height: 21px;
        margin-top: 15px;
    }
    .about-engineering-warp{
        height: 115px;
    }
    .about-engineering{
        width: 900px;
    }
    .about-engineering .about-engineering-item{
        margin-top: 30px;
    }
    .about-engineering .about-engineering-item .about-engineering-item-img{
        width: 50px;
        height: 50px;
        margin-right: 10px;
    }
    .about-engineering .about-engineering-item .about-engineering-item-num{
        font-size: 32px;
        line-height: 40px;
    }
    .about-engineering .about-engineering-item .about-engineering-item-title{
        height: 40px;
        margin-top: 5px;
        font-size: 14px;
    }
}
@media screen and (max-width: 1000px){
    .about-wrap{
        padding: 60px 0;
    }
    .about{
        width: 700px;
    }
    .about .about-content{
        margin-top: 20px;
    }
    .about .about-content .about-content-left{
        width: 344px;
    }
    .about .about-content .about-content-right{
        width: 344px;
        margin-top: 0;
    }
    .about .about-content .about-content-right .about-content-right-text{
        font-size: 12px;
        line-height: 18px;
        margin-top: 5px;
    }
    .about-engineering-warp{
        height: 97px;
    }
    .about-engineering{
        width: 700px;
    }
    .about-engineering .about-engineering-item{
        margin-top: 30px;
    }
    .about-engineering .about-engineering-item .about-engineering-item-img{
        width: 30px;
        height: 30px;
        margin-right: 5px;
    }
    .about-engineering .about-engineering-item .about-engineering-item-num{
        font-size: 24px;
        line-height: 27px;
    }
    .about-engineering .about-engineering-item .about-engineering-item-title{
        height: 40px;
        margin-top: 0;
        font-size: 12px;
    }
}



.brand-wrap{
    width: 100%;
    background: #F9FAFB;
    padding: 60px 0;
}
.brand-wrap .brand{
    width: 1200px;
    margin: 0 auto;
}
.brand-wrap .brand .brand-list{
    width: 100%;
    margin-top: 30px;
}
.brand-wrap .brand .brand-list .brand-item{
    width: 16.6666666%;
    aspect-ratio: 2 / 1;
    float: left;
    cursor: pointer;
    overflow: hidden;
}
.brand-wrap .brand .brand-list .brand-item img{
    width: 100%;
    height: 100%;
    transition: all 0.5s;
}
.brand-wrap .brand .brand-list .brand-item:last-child{
    margin-right: 0;
}
.brand-wrap .brand .brand-list .brand-item:hover img{
    transform: scale(1.1);
}


@media screen and (min-width: 1000px) and (max-width: 1440px){
    .brand-wrap .brand{
        width: 900px;
    }
}
@media screen and (max-width: 1000px){
    .brand-wrap .brand{
        width: 700px;
    }
}


.news{
    width: 1200px;
    margin: 60px auto;
}
.news .news-list{
    width: 100%;
}
.news .news-list .news-item{
    width: 49%;
    float: left;
    margin-top: 30px;
    margin-right: 2%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    position: relative;
}
.news .news-list .news-item:nth-child(2n){
    margin-right: 0;
}
.news .news-list .news-item .news-item-time{
    width: 66px;
    height: 77px;
    border: 1px solid #E6E6E6;
    margin-right: 20px;
    padding: 10px 0;
}
.news .news-list .news-item .news-item-time .news-item-time-day{
    font-weight: bold;
    font-size: 30px;
    color: #1A1A1A;
    line-height: 33px;
    text-align: center;
}
.news .news-list .news-item .news-item-time .news-item-time-month{
    font-size: 12px;
    color: #666666;
    line-height: 14px;
    text-align: center;
    margin-top: 10px;
}
.news .news-list .news-item .news-item-img{
    width: 143px;
    aspect-ratio: 143 / 111;
    margin-right: 16px;
}
.news .news-list .news-item .news-item-img img{
    width: 100%;
    height: 100%;
}
.news .news-list .news-item .news-item-content{
    width: calc(100% - 245px);
}
.news .news-list .news-item .news-item-content .news-item-title{
    font-weight: bold;
    font-size: 16px;
    color: #1A1A1A;
    line-height: 24px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    margin-bottom: 14px;
}
.news .news-list .news-item .news-item-content .news-item-description{
    font-size: 12px;
    color: #666666;
    line-height: 18px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}
.news .news-list .news-item:hover .news-item-time .news-item-time-day{
    color: #E60012;
}
.news .news-list .news-item a{
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

@media screen and (min-width: 1000px) and (max-width: 1440px){
    .news{
        width: 900px;
    }
    .news .news-list .news-item .news-item-time{
        width: 50px;
        height: 60px;
        margin-right: 10px;
        padding: 5px 0;
    }
    .news .news-list .news-item .news-item-time .news-item-time-day{
        font-size: 20px;
        line-height: 25px;
    }
    .news .news-list .news-item .news-item-time .news-item-time-month{
        font-size: 10px;
        line-height: 12px;
        margin-top: 5px;
    }
    .news .news-list .news-item .news-item-img{
        width: 100px;
        aspect-ratio: 100 / 75;
        margin-right: 10px;
    }
    .news .news-list .news-item .news-item-content{
        width: calc(100% - 110px);
    }
    .news .news-list .news-item .news-item-content .news-item-title{
        font-size: 14px;
        line-height: 20px;
        margin-bottom: 10px;
    }
    .news .news-list .news-item .news-item-content .news-item-description{
        font-size: 10px;
        line-height: 15px;
    }
}
@media screen and (max-width: 1000px){
    .news{
        width: 700px;
    }
    .news .news-list .news-item .news-item-time{
        width: 40px;
        height: 50px;
        margin-right: 10px;
        padding: 5px 0;
    }
    .news .news-list .news-item .news-item-time .news-item-time-day{
        font-size: 16px;
        line-height: 20px;
    }
    .news .news-list .news-item .news-item-time .news-item-time-month{
        font-size: 8px;
        line-height: 10px;
        margin-top: 5px;
    }
    .news .news-list .news-item .news-item-img{
        width: 70px;
        aspect-ratio: 70 / 52;
        margin-right: 10px;
    }
    .news .news-list .news-item .news-item-content{
        width: calc(100% - 80px);
    }
    .news .news-list .news-item .news-item-content .news-item-title {
        font-size: 12px;
        line-height: 18px;
        margin-bottom: 0;
    }
    .news .news-list .news-item .news-item-content .news-item-description{
        font-size: 10px;
        line-height: 13px;
    }
}