* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

.banner {
    overflow: hidden;
    width: 1200px;
    height: 390px;
    margin-top: 30px;
    position: relative;
}

.banner ul {
    width: 3950px;
    /*5张图片的宽度，也可以写成500%*/
    height: 350px;
    position: absolute;
}

.banner li {
    list-style-type: none;
    float: left;
    width: 1200px;
    height: 350px;
}

/*如果图片大小有问题*/
/* .banner img{
    width: 40%;
    height: 100%;
} */
.text {
    width: 60%;
    height: 100%;
    float: right;
    background-color: aqua;
}

.num {
    width: 100%;
    height: 20px;
    font-size: 0px;
    position: absolute;
    bottom: 0px;
    text-align: center;
}

.num span {
    display: inline-block;
    width: 15px;  
    height: 15px;
    margin: 0 8px;
    background-color: #eeeeee;
    border-radius: 50%;
    cursor: pointer;
    transition: all .3s;
    /* border: 1px solid #999999; */
}

.num span.on {
    width: 15px;
    height: 15px;
    background-color: #E6080D ;
}

/* 移动端 */
@media(max-width:768px){
    .banner{
        width: 100%;
        height: 687px;
    }
    .banner ul{
        height: 600px;
    }
    .banner li{
        width: 400px;
        height: 600px;
        margin: 0 auto;
    }
    .banneritem{
        width: 100%;
        display: block;
    }
    .company{
        margin-top: 15px;
    }
}