/* 重置内外边距 */
body, div, blockquote,
h1, h2, h3, h4, h5, h6, hr, p,
dl, dt, dd, ul, ol, li,
form, button, input, textarea,
pre, fieldset, legend, th, td {
    margin: 0;
    padding: 0;
}

/* 设置默认文字样式 */
body, input, select, textarea, button {
    font: normal 100% -apple-system, PingFangSC-Regular, tahoma, arial, sans-serif;
}

/* 清除移动端按钮点击出现黑色背景 */
input, a {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

/* 清除输入标签选中效果 */
input, select, textarea, button {
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/* 清除序列标签默认样式 */
ul, li, dl, dd, dt {
    list-style-type: none;
}

/* 清除a标签下划线样式 */
a, a:link, a:visited, a:hover, a:active {
    text-decoration: none;
}

/* 清除图片的边框 */
img {
    border: 0;
}

/* 清除浮动 */
.clear {
    clear: both;
}

/*定义标题文字加粗正常,字间距为0*/
h1, h2, h3, h4, h5, h6, p {
    font-weight: normal;
    letter-spacing: 0;
}