header {
    box-sizing: border-box;
    /* background: url('../images/index/banner.png') no-repeat; */
    background-size: 100% 100%;
    /* height: 45rem; */
    width: 100%;
    overflow: hidden;
}

/* 关于我们 */
.section-title {
    height: 25rem;
    background: #ffffff;
    text-align: center;
}

.about-us-img {
    width: 12rem;
    height: 2.9rem;
    margin: 6rem auto 3.5rem;
}

.about-us-p p {
    font-size: 0.9rem;
    color: #666666;
    line-height: 1.8rem;
}

.strong {
    color: #333333;
}

.arrow {
    width: 2.2rem;
    height: 1.5rem;
    margin: 2rem auto 0;
}
/* 修改箭头样式 */
.arrow img{
   position: absolute;
   left: 49%;
}

.section-img {
    height: 25rem;
    display: flex;
    align-items: center;
}

.img-itme {
    width: 20%;
}

.img-itme img {
    display: block;
}


/* 轮播图部分 */
.section-swiper {
    width: 75%;
    height: 21.7rem;
    background: #ffffff;
    margin: 5rem auto;
}

/* .news{
    width: 9.8rem;
    height: 2.9rem;
} */
.news-img {
    width: 9.8rem;
    height: 2.9rem;
    margin: 0 auto 3rem;
}

.swiper-container {
    background: #ffffff;
    height: 14rem;
}

.swiper-wrapper {
    height: 14rem;
}

.swiper-slide {
   clear: both;
    /* display: flex;
    justify-content: space-around; */
}

.slide-item {
    text-align: center;
    width: 15rem;
    float: left;
    margin-left: 2.6rem;
    /* overflow: hidden; */
    height: 13rem;
}

.slide-item img {
    height: 10rem;
    width: 15rem;
    transition: all 1s;
}

/* 鼠标滑过项目业绩轮播图 */
.slide-item:hover{
    /* background: #d0021b; */
}
.slide-item:hover img{
    transform: scale(1.1);
}
.slide-item:hover .p-img{
    background: #1B2F75;
    color:#ffffff;
}


.swiper-pagination-bullet{
    margin: 0 4px;
}
.p-img {
    font-size: 0.8rem;
    color: #333333;
    /* padding: 0 1rem; */
    box-sizing: border-box;
    overflow: hidden;
    height: 3rem;
    line-height: 3rem;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

/* 项目业绩 */
.section-project {
    display: flex;
    height: 25rem;
    box-sizing: border-box;
}

.img-item {
    width: 20%;
    overflow: hidden;
}

.img-hover {
    position: absolute;
    transition: all 1s;
}

.img-hover:hover {
    z-index: 9999;
    transform: scale(1.1);
    /* clip:rect(0px,60px,200px,0px); */
}

.img-each {
    overflow: hidden;
}
.img-each:hover{
    cursor: pointer;
}

.mask {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    /* background: rgba(0, 0, 0, 0.3); */
}

.mask:hover {
    display: none;
}

.shade {
    position: absolute;
    /* display: none; */
    left: -100%;
    top: 0;
    width: 100%;
    height: 3rem;
    line-height: 3rem;
    z-index: 99999;
    font-size: 1rem;
    text-align: center;
    color: #ffffff;
    background: rgba(4, 50, 121, 0.6);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}


/*  底部联系我们和地图部分  */
.section-contact {
    padding-top: 2rem;
    display: flex;
}

.contact-left {
    background: #1B2F75;
    width: 42%;
    height: 25rem;
    padding-left: 7rem;
    padding-top: 5rem;
    box-sizing: border-box;

}

.contact-us {
    width: 18rem;
    height: 3.1rem;
    margin: 0 auto 3.5rem;
}

.icon-list {
    margin-left: 8rem;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: start;
    font-size: 0.7rem;
    color: #d8d8d8;
}

.icon-type {
    width: 2.1rem;
    margin-right: 0.8rem;
}
.icon-email{
    color: #d8d8d8;
}
.contact-right {
    width: 58%;
    height: 25rem;
}

.contact-map {
    width: 100%;
    height: 25rem;
}

/* 底部footer样式 */
.footer-content {
    height: 6rem;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: #6b6b6b;
}

/* .footer-content p {
    margin: 0 5.5rem 0;
} */

/* 返回顶部 */
.backTop{
    position: fixed;
    bottom: 2rem;
    right: 4rem;
}

/*图片遮罩层效果CSS*/