.content {
    width: 100%;
}

.banner-box img {
    width: 100%;
    height: 572px;
}

.content-top {
    height: 20px;
    font-size: 14px;
    font-weight: 500;
    color: #555555;
    line-height: 20px;
    text-align: left;
}

.content-title {
    height: 48px;
    font-size: 34px;
    font-weight: 500;
    color: #555555;
    line-height: 48px;
}

.product-content img {
    height: 80px;
    width: 80px;
}

.product-item {
    width: 223px;
}

.pro-name {
    height: 15px;
    font-size: 15px;
    font-weight: 400;
    color: #555555;
    line-height: 15px;
    margin-left: 10px;
}

.pro-go {
    width: 17px;
    height: 17px;
    padding: 3px 4px;
    box-sizing: border-box;
}

.go-bg {
    width: 100%;
    height: 100%;
    background-image: url('../image/str-icon-1.png');
    background-repeat: no-repeat;
}

.pro-go:hover {
    background: #1766A1;
}

.pro-go:hover .go-bg {
    background-image: url('../image/str-icon-2.png');
}

/*选择我们*/
.us-item {
    width: 230px;
    height: 230px;
    position: relative;
}

.us-bottom {
    width: 100%;
    height: 40px;
    position: absolute;
    left: 0;
    bottom: 0;
    line-height: 40px;
    text-align: center;
    color: #fff;
}

.us-bottom span:first-child {
    font-size: 20px;
    margin-right: 10px;
}

.us-bottom span:last-child {
    font-size: 20px;
    margin-right: 10px;
}

.us-active,
.us-active-yy {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    display: none;
}

.us-active-yy {
    background: #1766A1;
    opacity: 0.6;
}

.us-active {
    font-size: 18px;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 24px;
    z-index: 100;
    padding: 55px 30px 0;
    box-sizing: border-box;

}

.us-item:hover .us-active,
.us-item:hover .us-active-yy {
    display: block;
}

.us-item:hover .us-bottom {
    display: none;
}

/*选择我们结束*/
/*关于我们*/
.about-box {
    height: 514px;
    background: #E5EEFA;
}

.about-left {
    width: 364px;
}

.about-title {
    height: 48px;
    font-size: 34px;
    font-weight: 500;
    color: #2470A7;
    line-height: 48px;
}

.about-desc {
    font-size: 16px;
    font-weight: 500;
    color: #74787E;
    line-height: 22px
}

.about-tel {
    height: 25px;
    font-size: 18px;
    font-weight: 500;
    color: #555555;
    line-height: 25px;
}

.about-right {
    width: 100%;
    margin-left: 120px;
}

.about-right-item img {
    width: 230px;
    height: 140px;
}

.about-right-item-text {
    height: 24px;
    font-size: 15px;
    font-weight: 500;
    color: #1766A1;
    line-height: 21px;
    text-align: center;
    margin-top: 22px;
}

/*关于我们结束*/

/*荣誉资质开始*/
/*.crif-item:not(:nth-child(4n)) {*/
/*margin-right: 30px;*/
/*}*/
.crif-item {
    width: 220px;
    margin-right: 30px;
}

.crif-item img {
    width: 100%;
}

/*荣誉资质结束*/

/*成功案例开始*/
.case-box {
    width: 100%;
    height: 500px;
    background-size: contain;
}

.case-title {
    height: 48px;
    font-size: 34px;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 48px;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.5);
}

.case-desc {
    height: 30px;
    font-size: 22px;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 30px;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.5);
}

.case-butn {
    display: block;
    width: 127px;
    height: 46px;
    background: #1766A1;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 46px;
    text-align: center;

}

/*成功案例结束*/
/*新闻资讯开始*/
.news-left,
.news-right {
    width: 474px;
}

.news-left img,
.news-right img {
    width: 474px;
    height: 370px;
}

.news-title {
    display: block;
    width: 100%;
    height: 15px;
    font-size: 15px;
    font-weight: 400;
    color: #555555;
    line-height: 15px;
    margin-bottom: 14px;
}

.news-title:hover {
    color: #1766A1;
}

/*新闻资讯结束*/