.iphone {
    height: 4.6rem;
    background: #31b2ea;
    overflow: hidden;
    width: 100%;
    max-width: 640px;
    position: fixed !important;
    top: 0;
    z-index: 999;
    text-align:center;
}
.iphone i {
    float: left;
    padding: 1.4rem 1rem;
    width: 8%;
    box-sizing: border-box;
}
.iphone i a{
    display: block;
}
.iphone i img {
    width: 1rem;
}
.iphone h1 {
    text-align: center;
    font: bold 1.6rem/4.6rem "微软雅黑";
    color: #fff;
    width: auto !important;
    float: initial !important; 
    margin-left: 0 !important; 
    display: inline-block;
    max-width: 80%;
}
.iphone p {
    float: right;
    color: #fff;
    z-index: 999;
    text-align: right;
    font: 1.5rem/4.6rem "微软雅黑";
    margin-right: 0.5rem;
    box-sizing: border-box;
}
.iphone p a{
    display: block;
}