div,
h1,
h2,
h3,
h4,
h5,
h6,
dl,
dt,
dd,
ul,
li,
ol,
header,
nav,
main,
section {
    box-sizing: border-box;
}

body {
    font: 14px/1 "Microsoft YaHei";
    color: #5B5B5B;
    background-color: #F3F4F7;
}

.ellipsis-single-line {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

img {
    vertical-align: top;
}