html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
dl {
    padding: 0;
    margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
}

ul,
ol {
    list-style: none;
}

em {
    font-style: normal;
}

input,
button {
    border: 0;
    outline: none;
}

a,
a:focus {
    color: #000;
    text-decoration: none;
}

.xxl_fl {
    float: left;
}

.xxl_fr {
    float: right !important;
}

.xxl_clearfix::after {
    content: "";
    display: block;
    clear: both;
}

i {
    font-style: normal !important;
}

.xxl_show {
    display: block;
}

.xxl_hide {
    display: none;
}


/* 版心容器 */

.xxl_container {
    width: 1200px;
    margin: 0 auto;
    /* background: pink !important; */
}


/* reset.css 或 base.css*/


/* 1. 重置页面元素的默认样式 */


/* 2. 编写重复使用的css代码（公共） */