* {
    padding: 0;
    margin: 0
}

html, body {
    width: 100%;
    height: 100%;
    box-sizing: border-box
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

img {
    border: 0
}

ol, ul {
    list-style: none
}

h1, h2, h3, h4, h5, h6, th {
    font-size: 100%;
    font-weight: normal
}

button, input, select, textarea {
    font-size: 100%
}

a {
    text-decoration: none;
    color: #666;
    background: 0
}

input {
    -webkit-appearance: none
}

:focus {
    outline: 0
}

::-webkit-input-placeholder, ::-ms-input-placeholder {
    color: #999
}