.n_bt li p {
    position: relative;
    padding-left: 12px; /* 给小圆点留空间 */
    font-size: 16px;
    line-height: 1.5;}

.title-dot::before{
 content: "";
    width: 4px;
    height: 4px;
    background: #8f5a33;
    border-radius: 50%;
    position: absolute;
    left: 0;
    top: 0.6em;}