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

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

address,
cite,
dfn,
em,
var {
    font-style: normal;
}

body {
    font-family: "微软雅黑";
    color: #427bb5;
    font-size: 14px;
}

ul,
ol {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    border: none;
}

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

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

.f_l {
    float: left;
}

.f_r {
    float: right;
}

input {
    outline: none;
    text-indent: 0.5em;
}

.black_box {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999998;
    background: #000;
    filter: alpha(opacity=50);
    opacity: .5;
}

.alert_box {
    position: fixed;
    z-index: 999999;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    text-align: center;
}

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