*{
    padding: 0;
    margin: 0;
    text-decoration: none;
    list-style: none;
    font-size: 62.5%;
    font-family: "微软雅黑";
    color: #333333;
    border: none;
    outline: none;
}
html,body{
    font-size: 16px;
}
.clear:after{
    content: "";
    display: block;
    clear: both;
}


@media screen and (min-width: 1199px) {
    .wid_1200{
        width: 1200px;
        margin: 0 auto;
        overflow: hidden;
    }
    .floatL{
        float: left;
    }
    .floatR{
        float: right;
    }
    .pad_15{
        padding: 1.5rem 0;
    }
    .color_f5{
        background: #f5f5f5;
    }
}