body {
    font-family: "微软雅黑";
    background: url(../../images/2021_gov_report/body_bg.jpg);
    background-size: 100%;
    background-repeat: no-repeat;
    background-color: #f4f8ff;
}

.top_title {
    display: block;
    margin: 68px auto 50px;
    text-align: center;
}

.index_box {
    background-image: linear-gradient(rgba(255, 255, 255, 0), #FFF);
    background: url(../../images/2021_gov_report/2021_bg.png );
    background-position: top center;
    background-repeat: no-repeat;
    overflow: hidden;
    margin-bottom: 50px;
}

.index_box:nth-of-type(2),
.index_box:nth-of-type(3) {
    background-position: 0 -30px;
}

.index_dh {
    display: block;
    line-height: 58px;
    height: 58px;
    background-color: rgba(10, 10, 131, 0.4);
    width: 88%;
    margin: 7px auto 51px;
    border-radius: 20px;
    font-size: 0;
}

.index_dh span {
    display: inline-block;
    color: #FFF;
    font-size: 18px;
    text-align: center;
    position: relative;
    cursor: pointer;
    transition: all .3s;
    -webkit-transition: all .3s
}

.index_dh span:hover {
    color: rgba(255, 255, 255, 0.8);
}

.index_dh span:first-of-type {
    width: 24%;
}

.index_dh span:last-of-type {
    width: 22%;
}

.index_dh span:nth-child(2) {
    width: 54%;
}

.index_dh span:nth-child(2)::before {
    position: absolute;
    top: 20px;
    left: 15px;
    width: 3px;
    height: 20px;
    background-color: #FFF;
    content: '';
}

.index_dh span:nth-child(2)::after {
    position: absolute;
    top: 20px;
    right: 0px;
    width: 3px;
    height: 20px;
    background-color: #FFF;
    content: '';
}

.index_content {
    padding: 0 34px;
    box-sizing: border-box;
    overflow: hidden;
}

.index_content .index_content_title {
    display: block;
    text-align: center;
    padding: 70px 0 35px;
    box-sizing: border-box;
}

.index_content p {
    font-size: 18px;
    line-height: 40px;
    text-indent: 2em;
}

.index_content h1 {
    font-size: 18px;
    color: #0a43c9;
    display: block;
    line-height: 40px;
    font-weight: bold;
    margin-top: 25px;
}

.content_box {
    display: block;
    margin-bottom: 40px;
}

.backtop {
    position: fixed;
    right: 15px;
    bottom: 45px;
    width: 70px;
    height: 70px;
    line-height: 70px;
    color: #FFF;
    background-color: rgba(0, 0, 0, 0.5);
    text-align: center;
    border-radius: 50px;
    cursor: pointer;
    transition: all .3s;
    -webkit-transition: all .3s
}

.backtop:hover {
    background-color: #000;
}

@media screen and (max-width:490px) {
    .layui-container {
        padding: 0 10px;
    }
    .top_title {
        margin: 30px auto 20px;
    }
    .top_title img {
        width: 100%;
    }
    .index_dh {
        display: none;
    }
    .index_content {
        padding: 0 10px;
    }
    .index_content .index_content_title {
        padding: 20px 0;
    }
    .index_content .index_content_title img {
        width: 100%;
    }
    .index_content p {
        font-size: 1.125rem;
        line-height: 32px;
    }
    .index_content h1 {
        font-size: 1.125rem;
        line-height: 32px;
    }
}