@charset "UTF-8";

/**************** banner ****************/
.banner{
	margin-top: 102px;
	width: 100%;
	height: 100%;
}
.banner .swiper-slide img{
	display: block;
	width: 100%;
	object-fit: cover;
}
.banner .swiper-button-next,.banner .swiper-button-prev{
    background-size: 100% 100%;
    width: 4%;
    height: 0;
    padding-bottom: 4%;
    top: auto;
    bottom: 18%;
    z-index: 10;
}
.banner .swiper-button-next:after, .banner .swiper-button-prev:after{
    content: '';
}
.banner .swiper-button-prev{
    left: 7.5%;
}
.banner .swiper-button-next{
    left: 13%;
}
.banner .swiper-pagination{
    bottom: 7%;
    width: auto;
    left: 8%;
    color: #fff;
}
.banner .swiper-pagination a{
    font-size: 22px;
}
.banner .swiper-pagination span{
	color: #fff;
}
.banner .swiper-pagination-current{
    font-size: 30px;
}
.banner-heng{
    position: absolute;
    left: 13%;
    bottom: 10%;
    width: 5%;
    height: 1px;
    background-color: #fff;
    z-index: 10;
}
@media (max-width: 1024px){
	.banner{
		margin-top: 70px;
	}
    .banner .swiper-pagination-current{
        font-size: 20px;
    }
    .banner .swiper-pagination{
        bottom: 10%;
        left: 20%;
    }
    .banner .swiper-button-next,.banner .swiper-button-prev{
        bottom: 14%;
    }
    .banner-heng{
        display: none;
    }
}

/**************** 首页大标题 ****************/
.index-title{
    position: relative;
    margin: auto;
    font-size: 36px;
    line-height: 158px;
    color: #626262;
    text-align: center;
}
.index-title::after{
    position: absolute;
    content: '';
    width: 144px;
    height: 2px;
    top: 115px;
    left: calc(50% - 72px);
    background-color: #e2e2e2;
    z-index: 1;
}
.index-title::before{
    position: absolute;
    content: '';
    width: 30px;
    height: 2px;
    top: 115px;
    left: calc(50% - 15px);
    background-color: #b43300;
    z-index: 2;
}
@media (max-width: 1024px){
    .index-title{
        font-size: 32px;
        line-height: 128px;
    }
    .index-title::after{
        width: 128px;
        top: 98px;
        left: calc(50% - 64px);
    }
    .index-title::before{
        width: 26px;
        top: 98px;
        left: calc(50% - 13px);
    }
}
@media(max-width: 768px){
    .index-title{
        font-size: 28px;
        line-height: 112px;
    }
    .index-title::after{
        width: 112px;
        top: 82px;
        left: calc(50% - 56px);
    }
    .index-title::before{
        width: 26px;
        top: 82px;
        left: calc(50% - 13px);
    }
}

/**************** 产品 ****************/
.product-box{
    padding: 92px 0 102px;
}
.product-nav{
    float: left;
    width: 28%;
}
.product-nav-li{
    position: relative;
    display: block;
    margin-bottom: 1px;
    padding-left: 42px;
    width: 100%;
    height: 74px;
    line-height: 74px;
    font-size: 18px;
    color: #4d4d4d;
    background-color: #fff;
    overflow: hidden;
    z-index: 1;
}
.product-nav-li:last-child{
    margin-bottom: 0;
}
.product-nav-li:hover{
    background-color: #b43300;
    color: #fff;
}
.product-nav-li::after{
    position: absolute;
    content: '';
    width: 30%;
    height: 1px;
    background-color: #fff;
    transition: all 0.4s;
    right: -30%;
    top: 50%;
    z-index: 2;
}
.product-nav-li:hover::after{
    right: 0;
}
.product-btn{
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: calc(49/454*100%);
    margin-top: 36px;
}
.product-btn>div{
    position: absolute;
    width: 50%;
    height: 0;
    padding-bottom: calc(49/227*50%);
    opacity: 1!important;
    background-size: cover;
    background-position: center;
}
.product-btn .swiper-button-prev{
    left: 0;
}
.product-btn .swiper-button-next{
    right: 0;
}
.product-btn .swiper-button-next:after, .product-btn .swiper-button-prev:after{
    content: '';
}
.product-list{
    float: right;
    width: 68%;
}
.product-list .swiper-slide{
    display: block;
    background-color: #fff;
}
.product-image{
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: calc(700/900*100%);
    overflow: hidden;
}
.product-image img{
    display: block;
    width: 100%;
    transition: all 0.5s;
}
.product-list .swiper-slide:hover .product-image img{
    transform: scale(1.2);
}
.product-title{
    padding: 30px 0;
}
.product-title p{
    font-size: 20px;
    color: #4d4d4d;
    text-align: center;
}
.product-title em{
    display: block;
    width: 40px;
    height: 3px;
    background-color: #b43300;
    margin: 16px auto 0;
}
@media (max-width: 1024px){
    .product-box{
        padding: 46px 0 50px;
    }
    .product-nav-li{
        padding-left: 22px;
        height: 38px;
        line-height: 38px;
        font-size: 16px;
    }
    .product-nav-li::after{
        width: 20%;
        right: -20%;
    }
    .product-btn{
        margin-top: 18px;
    }
    .product-title{
        padding: 15px 0;
    }
    .product-title p{
        font-size: 16px;
    }
    .product-title em{
        margin: 10px auto 0;
    }
}
@media (max-width: 768px){
    .product-box{
        padding: 30px 0 34px;
    }
    .product-nav{
        width: 100%;
    }
    .product-nav-li{
        float: left;
        width: calc(50% - .5px);
        margin-right: 1px;
        padding-left: 0;
        text-align: center;
    }
    .product-nav-li:nth-child(2n+2){
        margin-right: 0;
    }
    .product-btn{
        margin-top: 0;
    }
    .product-list{
        width: 100%;
        margin-top: 20px;
    }
    .product-title{
        padding: 10px 0;
    }
    .product-title p{
        font-size: 14px;
    }
    .product-title em{
        width: 25px;
        height: 2px;
        margin: 8px auto 0;
    }
}

/**************** 关于我们 ****************/
.about{
    background-size: cover;
}
.about-box{
    padding: 115px 0 136px;
}
.about-text{
    float: left;
    width: 45%;
}
.about-text h2{
    position: relative;
    font-size: 36px;
    font-weight: bold;
    color: #fff;
}
.about-text div{
    margin: 70px 0;
}
.about-text div p{
    font-size: 16px;
    line-height: 36px;
    color: #fff;
}
.about-text a{
    display: block;
    width: 190px;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    color: #fff;
    text-align: center;
    border: 1px solid #fff;
}
@media (max-width: 1024px){
    .about{
        background-size: 100% cover;
        background-position: left top;
    }
    .about-box{
        padding: 58px 0 68px;
    }
    .about-text{
        width: 100%;
    }
    .about-text h2{
        font-size: 32px;
    }
    .about-text div{
        margin: 34px 0;
    }
    .about-text div p{
        font-size: 14px;
        line-height: 28px;
    }
    .about-text a{
        width: 120px;
        height: 36px;
        line-height: 36px;
        font-size: 14px;
    }
}
@media (max-width: 768px){
    .about-box{
        padding: 48px 0 58px;
    }
    .about-text h2{
        font-size: 28px;
    }
    .about-text div{
        margin: 28px 0;
    }
    .about-text a{
        width: 120px;
        height: 32px;
        line-height: 32px;
    }
}
/*四项服务*/
.service-text{
    padding: 162px 0 198px;
    background-size: cover;
}
.service-text-box{
    width: 60%;
}
.service-text-box h2{
    margin-bottom: 72px;
    font-size: 52px;
    color: #b43300;
    text-align: center;
}
.service-text-box p{
    font-size: 26px;
    line-height: 54px;
    color: #282828;
    text-align: center;
}
.service-nav{
    width: 100%;
    height: 168px;
    line-height: 168px;
    text-align: center;
    color: #2a2a2a;
}
.service-nav .swiper-slide{
    background-color: #efefef;
    border-right: 1px solid #aca7a5;
    color: #2a2a2a;
    font-size: 24px;
    cursor: pointer;
}
.service-nav .swiper-slide:hover{
    background-color: #b43300;
    color: #fff;
}
.service-nav .swiper-slide-thumb-active{
    background-color: #b43300!important;
    color: #fff!important;
}
@media (max-width: 1024px){
    .service-text{
        padding: 80px 0 100px;
    }
    .service-text-box{
        width: 80%;
    }
    .service-text-box h2{
        margin-bottom: 36px;
        font-size: 36px;
    }
    .service-text-box p{
        font-size: 20px;
        line-height: 32px;
    }
    .service-nav{
        height: 84px;
        line-height: 84px;
    }
    .service-nav .swiper-slide{
        font-size: 18px;
    }
}
@media (max-width: 768px){
    .service-text{
        padding: 54px 0 66px;
    }
    .service-text-box{
        width: 94%;
    }
    .service-text-box h2{
        margin-bottom: 24px;
        font-size: 24px;
    }
    .service-text-box p{
        font-size: 14px;
        line-height: 24px;
    }
    .service-nav{
        height: 56px;
        line-height: 56px;
    }
    .service-nav .swiper-slide{
        font-size: 14px;
    }
}

/**************** 新闻中心 ****************/
.news{
    padding-bottom: 110px;
}
.news-li{
    display: block;
    float: left;
    width: 32%;
    margin-right: 2%;
}
.news-li:last-child{
    margin-right: 0;
}
.news-image{
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: calc(321/500*100%);
    overflow: hidden;
}
.news-image img{
    display: block;
    width: 100%;
    transition: all 0.5s;
}
.news-li:hover .news-image img{
    transform: scale(1.2);
}
.news-title{
    position: relative;
    padding: 36px 0;
    font-size: 16px;
    line-height: 18px;
    text-align: right;
    border-bottom: 2px solid #e7e7e7;
}
.news-title::after{
    position: absolute;
    content: '';
    width: 10%;
    height: 2px;
    background-color: #b43300;
    left: 0;
    bottom: -2px;
}
.news-title p{
    float: left;
    width: calc(100% - 100px);
    height: 18px;
    color: #434343;
    font-size: 18px;
    line-height: 18px;
    text-align: left;
    overflow: hidden;
}
.news-li:hover .news-title p{
    color: #b43300;
}
.news-description{
    margin-top: 12px;
    font-size: 16px;
    line-height: 32px;
    color: #7c7c7c;
}
@media (max-width: 1024px){
    .news{
        padding-bottom: 55px;
    }
    .news-title{
        padding: 28px 0;
    }
}
@media (max-width: 768px){
    .news{
        padding-bottom: 45px;
    }
    .news-li{
        width: 100%;
        margin-right: 0%;
        margin-bottom: 20px;
    }
    .news-li:last-child{
        margin-bottom: 0;
    }
    .news-title{
        padding: 12px 0;
        font-size: 12px;
        line-height: 16px;
    }
    .news-title p{
        width: calc(100% - 70px);
        height: 18px;
        font-size: 16px;
        line-height: 16px;
    }
    .news-description{
        margin-top: 8px;
        font-size: 14px;
        line-height: 24px;
    }
}