.featurette-heading {
    font-size: 30px;
    margin-top: 10px;
    margin-bottom: 10px;
}

/******新版样式******/
.d_title {
    width: 100%;
    text-align: center;
    color: #4f4f4f;
    margin: 30px 0;
}

.featurette img {
    max-width: 100%;
}

@media screen and (max-width: 860px) {
    /* 手机端CSS代码 */
    table {
        width: 100% !important;
    }
}