body {
    margin: 0; /* 清除默认边距 */
    display: flex;
    flex-direction: column; /* 垂直排列 */
}

.dv_content {
    width: 1100px;
    margin: auto;
    background-color: #fff;
    border-radius: 5px;
    padding: 50px 50px 30px 50px;
    min-height: 400px;
    position: relative;
    opacity: 0.9;
}
#dvAI {
    display: inline-block;
    position: absolute;
    right: -100px;
    top: 270px;
    cursor: pointer;
}

.dvAIWord {
    text-align: center;
    margin-top: -20px;
    color: #767676;
    font-size: 16px;
    font-weight: normal;
}
.dvTitle {
    text-align: center;
}

.content{
    margin-top:20px;
}

.footer-area {
    position: static !important;
}

.dvbtnRegion > button {
    background-color: #AAAAAA;
    color: #fff;
    width: 96px;
    height: 38px;
    border: 0px;
    border-radius: 5px;
}

.dvbtnRegion > div > button {
    background-color: #AAAAAA;
    color: #fff;
    width: 96px;
    height: 38px;
    border: 0px;
    border-radius: 5px;
}


.dvbtnRegion {
    color: #fff;
    width: 1100px;
    background-color: #fff;
    text-align: center;
    margin: auto;
    padding: 0 50px 20px 50px;
}
a {
    color: -webkit-link;
}
@media only screen and (max-width: 1200px) {
    .dv_content {
        padding: 12px;
        width: calc(100% - 24px);
        margin-top: 90px;
        position:relative;
    }
    .firstTitle{
        font-size:20px !important;
    }
    .content p{
        font-size:14px;
        line-height:30px;
    }
    .dv_read label {
        font-size: 14px;
    }
    .dvbtnRegion{
        width:calc(100% - 24px);
        padding:12px;
    }
        .dvbtnRegion > div > button{
            width:90px;
            height:32px;
            font-size:14px;
        }
    .p1 {
        line-height: 45px !important;
    }
    .p2 {
        line-height: 45px !important;
    }
    .p3 {
        line-height: 45px !important;
    }
    .p4 {
        line-height: 45px !important;
    }
}