.banner{
    min-width: 960px;
}
.banner img{
    width: 100%;
    min-width: 960px;
    height: 500px;
}
.ac-number {
    width: 100%;
    min-width: 960px;
    padding: 30px 0 35px;
    background: #fff;
}
.w1400 {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    width: 92%;
}
.ac-number li {
    float: left;
    width: 20%;
    text-align: center;
}
.ac-number li h2 {
    font-size: 52px;
    color: #dc231f;
    font-weight: bold;
    line-height: 59px;
}
.ac-number li p {
    font-size: 16px;
    color: #666;
    line-height: 24px;
}
.f-cb:after {
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
    overflow: hidden;
    content: ".";
}
.ac-about {
    padding: 78px 0 13px;
    min-width: 960px;
    background: #fff;
}
.ac-about .w1400{
    width: 80%;
    min-width: 940px;
}
.ac-about .w1400 div p{
    font-size: 16px;
    padding: 3px 0;
}
.ac-about li {
    width: 24.8%;
    float: left;
    text-align: left;
}
.ac-about li a {
    display: block;
    width: 100%;
}
.ac-about li a:hover{
    text-decoration: none;
}
.ac-about li h3 {
    font-size: 20px;
    color: #333;
    line-height: 39px;
    margin-top: 14px;
    transition: color .3s;
}
.ac-about li .font {
    font-size: 14px;
    color: #555;
    line-height: 29px;
    margin: 8px 30px 0 0;
}