.agreementpreview {
    display: block;
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
    margin: 20px auto;
}

.subject {
    margin-top: 5px;
    margin-bottom: 5px;
    font-family: 微软雅黑, Microsoft YaHei, 宋体, SimSun, 黑体, SimHei;
    text-align: center;
}

.subject > span {
    font-family: 微软雅黑, Microsoft YaHei;
    font-size: 24px;
    font-weight: 700;
    text-align: center;
}