html,
body,
div,
ul,
ol,
li,
span,
i,
em,
p,
li,
dl,
dt,
dd,
input,
textarea,
form,
img,
h1,
h2,
h3,
h4,
h5,
h6,
table,
tr,
td {
    margin: 0;
    padding: 0;
    outline: none;
}

body {
    font-family: Helvetica, Tahoma, Arial, STXihei, 华文细黑, “Microsoft YaHei”, 微软雅黑, SimSun, 宋体, Heiti, 黑体, sans-serif;
    ;
    font-size: 12px;
    color: #1A1A1A;
    -webkit-text-size-adjust: 100%;
}

/* 重设 HTML5 标签*/

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

b {
    font-weight: normal;
}

ul,
li {
    list-style: none;
}

/* table,
tr,
td, */
img,
input {
    border: 0 none;
}

table {
    border-collapse: collapse;
}

em,
i {
    font-style: normal;
}

a {
    text-decoration: none;
    color: #537ee5;
}

a:hover {
    color: #537ee5;
}

/* 清理浮动 */

.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}

/*.clearfix:after{zoom:1;}*/

.clear {
    clear: both;
}

.lf {
    float: left;
}

.rt {
    float: right;
}

/*内容*/

.w1200 {
    width: 1200px;
    margin: 0 auto;
}