*{
    margin: 0;
    padding: 0;
}
.banner{
    position: relative;
    overflow: hidden;
}
.banner-view{
    position: relative;
    height: 100%;
    z-index: 999;
    background-color: #090b22;
    background-repeat: no-repeat;
}
.banner-view i{
    position: relative;
    display: block;
    float: left;
    background-repeat: no-repeat;
}
.banner-btn{
    position: absolute;
    width: 100%;
    height: 0;
    top: 45%;
    font-family: "瀹嬩綋";
    font-size: 20px;
    z-index: 1000;
}
.banner-btn span{
    display: block;
    float: left;
    width: 50px;
    line-height: 50px;
    text-align: center;
    background-color: rgba(0,0,0,0.7);
    color: #74dcff;
    cursor: pointer;
    font-weight: 800;
    background-image:
}
.banner-btn span:hover{
    background-color: rgba(0,0,0,0.6);
}
.banner-btn span + span{
    float: right;
}
.banner-number{
    position: absolute;
    bottom: 35px;
    width: 100%;
    height: 0;
    font-size: 0;
    text-align: center;
    z-index: 1000;
}
.banner-number > *{
    display: inline-block;
    border: 2px solid #fff;
    border-radius: 50%;
    margin: 0 8px;
    width: 10px;
    height: 10px;
    background-color: #00c3ff;
    cursor: pointer;
}
.banner-number  > *:hover,
.banner-number  > *.on{
    background-color: #ffc300;
}
.banner-progres{
    width: 100%;
    position: absolute;
    bottom: 0;
    height: 3px;
    z-index: 1000;
}
.banner-progres i{
    position: absolute;
    left: 0;
    top: 0;
    border-radius: 3px;
    display: block;
    height: 100%;
    width: 0;
}