.intro-content{
    margin: 0 auto;
    width: 1200px;
    box-sizing: border-box;
    background: #ffffff;
    text-align: center;
    overflow: hidden;
}

.intro-content>p{
    width: 620px;
    margin: 0 auto;
    line-height: 31px;
    line-height: 32px\9;
    text-indent: 2em;
    font-weight: 500;
    text-shadow: 0 0 1px #A0A0A0;
    font-size: 20px;
    color: #666666;
    text-align: justify;
}
.intro-content>p>span{
    color:#0081ff;
}