.banner {
    padding-top: 90px;
    padding-bottom: 80px;
    background: url(../images/title-bj.png) no-repeat;
    background-size: 100% 100%;
}

.banner p {
    position: relative;
    font-size: 24px;
    color: #000;
    padding-left: 87px;
}

.banner p::before {
    position: absolute;
    content: '';
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 70px;
    height: 24px;
    background: url(../images/banner-before.png) no-repeat;
    background-size: 100% 100%;
}

/* 面包屑开始 */
.crumbs-box {
    border-bottom: 1px solid #e5e5e5;
    box-sizing: border-box;
}

.crumbs-box .crumbs {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.crumbs-box .crumbs .l {
    font-size: 12px;
    color: #7b7b7b;
}

.crumbs-box .crumbs .r ul {
    display: flex;
    align-items: center;
}

.crumbs-box .crumbs .r ul li {
    display: flex;
    margin-right: 26px;
}

.crumbs-box .crumbs .r ul li:nth-last-of-type(1) {
    margin-right: 0;
}

.crumbs-box .crumbs .r ul li a {
    padding: 18px 18px 16px 18px;
}

.crumbs-box .crumbs .r ul li a:hover {
    background-color: #a90000;
    color: #fff;
}

.yjhjj-active {
    background-color: #a90000;
    color: #fff;
}
/* 面包屑结束 */

/* 简介开始 */
.container-bj {
    background: url(../images/yjhjj-c.png) no-repeat;
    background-position: left 130px;
    background-size: 100%;
    padding-bottom: 85px;
    z-index: -1;
}

.introduction-box {
    background: url(../images/yjhjj-c.png) no-repeat;
    background-position: left 130px;
    background-size: 100%;
    padding-bottom: 85px;
}

.introduction-box .introduction {
    padding-top: 82px;
}

.introduction-box .introduction h1 {
    font-size: 22px;
    color: #3b3b3b;
    font-weight: bold;
}

.introduction-box .introduction p {
    margin-top: 55px;
    color: #7b7b7b;
}

.introduction-box .introduction .img-box {
    margin-top: 30px;
    display: flex;
    justify-content: space-between;
}

.introduction-box .introduction .img-box img {
    width: 32%;
}

/* 简介结束 */

/* 响应式开始 */
@media (max-width:1199px) {
    .crumbs-box .crumbs {
        flex-wrap: wrap;
    }

    .crumbs-box .crumbs .r ul {
        margin-top: 20px;
    }
}

@media (max-width:767px) {
    .crumbs-box .crumbs .r ul {
        flex-wrap: wrap;
    }
    .introduction-box .introduction {
        padding-top: 30px;
    }

    .introduction-box .introduction p {
        margin-top: 20px;
    }

    .introduction-box .introduction .img-box {
        flex-wrap: wrap;
    }

    .introduction-box .introduction .img-box img {
        width: 100%;
        margin-bottom: 10px;
    }

    .banner {
        padding-top: 70px;
        padding-bottom: 70px;
        background-position: center;
        background-size: cover;
    }
}
/* 响应式结束 */