* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
}

img {
    border: none;
}


img {
    image-rendering: -moz-crisp-edges;
    /* Firefox */
    image-rendering: -o-crisp-edges;
    /* Opera */
    image-rendering: -webkit-optimize-contrast;
    /* Webkit (non-standard naming) */
    image-rendering: crisp-edges;
    -ms-interpolation-mode: nearest-neighbor;
    /* IE (non-standard property) */
}

ul,
ol,
li {
    list-style: none;
}

html {
    font-size: 62.5%;
    min-height: 100%;
}

body {
    font-size: 16px;
   
    position: relative;
}

body {
    font-family: '微软雅黑';

}
.main-page{
    width: 1200px;
    margin: 20px auto;
}
p,h3{
    margin-bottom: 10px;
}
p,li{
    line-height: 1.7;
}