/*分别设置page、content高度  content=page+170*/

.content {
    height: 850px;
}

.page {
    height: 700px;
}

.about_text {
    width: 1200px;
}

.about_text>p {
    height: 100px;
    color: #27a1f4;
    text-align: center;
    font-size: 2em;
    line-height: 60px;
}

.about_text>div {
    height: 300px;
    padding: 0 20px;
    line-height: 2em;
    text-indent: 2em;
}

.about_img {
    width: 1200px;
    height: 300px;
}

.speech_img {
    width: 350px;
    height: 500px;
    margin: 50px 0;
    float: left;
}

.speech_text {
    margin: 50px 0 0 100px;
    width: 750px;
    height: 500px;
    float: left;
}

.speech_text>p {
    color: #27a1f4;
    font-size: 2em;
    margin-bottom: 1.8em;
}

.speech_text>div {
    line-height: 1.8em;
    text-indent: 2em;
}