.pages {
    width: 80%;
    margin: 0 auto;
    overflow: hidden;
    margin-bottom: 20px;
    margin-top: 20px;
    display: flex;
    justify-content: center;
}

.pages li {
    list-style: none;
    text-align: center;
    padding: 0px 8px;
}

.dy_ystd {
    width: 100%;
    background-color: white;
    position: relative;
    overflow: hidden;
}

.dy_ystd .dy_ystd_content {
    width: 60%;
    margin: 0 auto;
    margin-top: 30px;
    padding-bottom: 20px;
    border-bottom: 30px solid #f3f3f3;
}

.dy_ystd .dy_ystd_content img {
    width: 20%;
    float: left;
    margin-left: 0;
}

.dy_ystd .dy_ystd_content .dy_ystd_text {
    float: left;
    width: 73%;
    padding: 10px;
    padding-left: 30px;
}

.dy_ystd .dy_ystd_content .dy_ystd_text > span:nth-child(1) {
    font-size: 30px;
    font-weight: bold;
    color: #545454;
}

.dy_ystd .dy_ystd_content .dy_ystd_text > span:nth-child(2) {
    font-size: 15px;
    padding: 4px 7px;
    display: inline-block;
    background: #33c2ff;
    color: white;
    font-weight: bold;
    border-radius: 6px;
}

.dy_ystd .dy_ystd_content .dy_ystd_text .fenxiang {
    width: 30px;
    float: right;
    height: 19px;
}

.dy_ystd .dy_ystd_content .dy_ystd_text .fenxiang span {
    width: 6px;
    height: 6px;
    border-radius: 10px;
    background-color: #BABABA;
    display: inline-block;
}

.dy_ystd .dy_ystd_content .dy_ystd_text #dy_ystd_text2 {
    font-size: 18px;
    margin-top: 15px;
    color: #3f3f3f;
}

.dy_ystd .dy_ystd_content .dy_ystd_text #dy_ystd_text {
    margin-bottom: 0;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed gray;
}

.dy_ystd .dy_ystd_content .dy_ystd_text .book {
    float: right;
    font-size: 21px;
    padding: 2px 12px;
    background-color: #007aff;
    color: white;
    border-radius: 5px;
}

.dy_ystd .dy_ystd_content .dy_ystd_text .book a {
    color: white;
    cursor: pointer;
}

.dy_ystd .dy_ystd_content::after {
    content: "";
    display: block;
    clear: both;
}

@media screen and (max-width:980px) {
    .dy_ystd .dy_ystd_content .dy_ystd_text {
        padding-left: 20px;
    }
}

@media screen and (max-width:768px) {
    .dy_ystd .bread_leader .leader_left span {
        font-size: 9px;
    }

    .dy_ystd .bread_leader .leader_right span {
        font-size: 9px;
    }

    .dy_ystd .dy_ystd_content {
        width: 90%;
        padding-bottom: 10px;
    }

    .dy_ystd .dy_ystd_content img {
        width: 24%;
    }

    .dy_ystd .dy_ystd_content .dy_ystd_text {
        padding-left: 10px;
        padding-top: 0;
        width: 69%;
    }

    .dy_ystd .dy_ystd_content .dy_ystd_text > span:nth-child(1) {
        font-size: 18px;
    }

    .dy_ystd .dy_ystd_content .dy_ystd_text > span:nth-child(2) {
        font-size: 12px;
        padding: 2px 3px;
    }

    .dy_ystd .dy_ystd_content .dy_ystd_text #dy_ystd_text2 {
        font-size: 15px;
        margin-top: 4px;
    }

    .dy_ystd .dy_ystd_content .dy_ystd_text #dy_ystd_text {
        font-size: 11px;
        margin-top: 7px;
        font-size: 13px;
    }

    .dy_ystd .dy_ystd_content .dy_ystd_text .book {
        font-size: 13px;
        margin-top: 8px;
    }

}