/* body */
body{
    background: url('./about.png') no-repeat;
    background-size:100% 410px;
    background-attachment: fixed;
    top: 0px;
    min-width: 1200px;
}
.introduce {
    overflow: hidden;
    width: 100%;
    background-color: #fff;
    min-width: 1200px;
    height: 510px;
    padding: 80px 0;
}
.inro-center {
    position: relative;
    height: 100%;
    width: 940px;
    margin: 0 auto;
    padding: 0 10px;
}
.intro-title {
    font-size: 20px;
    color: #333333;
}
.intro-des {
    margin-top: 35px;
    font-size: 14px;
    color: #666666;
    letter-spacing: 0;
    line-height: 28px;
}
.intro-top img{
    width: 16px;
    height: 16px;
    margin-top: 7px;
}
.intro-span {
    margin-left: 10px;
    display: inline-block;
    line-height: 28px;
    font-size: 16px;
    color: #333333;
    line-height: 28px;
}
.intro-top {
    height: 28px;
    line-height: 28px;
}
.introduce ul {
    height: 120px;
    margin-top: 40px;
}
.introduce ul li {
    float: left;
    width: 230px;
    margin-right: 13.2%;
}
.intro-bottom {
    font-size: 14px;
    color: #666666;
    line-height: 20px;
    margin-top: 10px;
    margin-left: 30px;
}
.introduce ul li:nth-child(3) {
    margin-right: 0px;
}
.contact-line {
    width: 100%;
    height: 1px;
    background-color: #ddd;
}
.contact-p {
    font-size: 16px;
    color: #333333;
    letter-spacing: 0;
    width: 100%;
    text-align: center;
    margin: 30px 0;
}
.contact-buttom {
    display: inline-block;
    margin-left: 42%;
    font-size: 16px;
    color: #79589F;
    letter-spacing: 1.33px;
    border: 1px solid #79589F;
    padding: 10px 35px;
}
.contactUs {
    top: -80px;
}