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

body,
button,
input,
select,
textarea {
    font-size: 12px;
    font-family: microsoft yahei;
}

body {
    margin: 0 auto;
}

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

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

code,
kbd,
pre,
samp {
    font-family: courier new, courier, monospace
}

small {
    font-size: 12px
}

ul,
ol,
li,
dl,
dt,
dd {
    list-style: none
}

sup {
    vertical-align: text-top
}

sub {
    vertical-align: text-bottom
}

legend {
    color: #000
}

fieldset,
img {
    border: 0
}

button,
input,
select,
textarea {
    font: 18px/1.5 tahoma, arial, sans-serif;
    vertical-align: middle;
    cursor: pointer
}

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

.clear {
    clear: both;
}


/*title*/

h1 {
    font-size: 50px;
}

h2 {
    font-size: 40px;
}

h3 {
    font-size: 30px;
}

h4 {
    font-size: 14px;
}

h5 {
    font-size: 12px;
}

h6 {
    font-size: 9px;
}

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


/* 公共样式 */

.left {
    float: left;
}

.right {
    float: right;
}

.left {
    float: left;
}

.hidden {
    display: none;
}

.of {
    overflow: hidden;
}

.l1 {
    margin-left: 1px;
}

.l2 {
    margin-left: 2px;
}

.l3 {
    margin-left: 3px;
}

.l4 {
    margin-left: 4px;
}

.l5 {
    margin-left: 5px;
}

.l6 {
    margin-left: 6px;
}

.l7 {
    margin-left: 7px;
}

.l8 {
    margin-left: 8px;
}

.l9 {
    margin-left: 9px;
}

.l10 {
    margin-left: 10px;
}

.l15 {
    margin-left: 15px;
}

.l20 {
    margin-left: 20px;
}

.l25 {
    margin-left: 25px;
}

.l30 {
    margin-left: 31px;
}

.t1 {
    margin-top: 1px;
}

.t2 {
    margin-top: 2px;
}

.t3 {
    margin-top: 3px;
}

.t4 {
    margin-top: 4px;
}

.t5 {
    margin-top: 5px;
}

.t6 {
    margin-top: 6px;
}

.t7 {
    margin-top: 7px;
}

.t8 {
    margin-top: 8px;
}

.t9 {
    margin-top: 9px;
}

.t10 {
    margin-top: 10px;
}

.t15 {
    margin-top: 15px;
}

.t18 {
    margin-top: 17px;
}

.t20 {
    margin-top: 20px;
}

.t30 {
    margin-top: 30px;
}

.t25 {
    margin-top: 20px;
}

.r1 {
    margin-right: 1px;
}

.r5 {
    margin-right: 5px;
}

.r10 {
    margin-right: 10px;
}

.r15 {
    margin-right: 15px;
}

.r20 {
    margin-right: 20px;
}

.r30 {
    margin-right: 30px;
}

.b5 {
    margin-bottom: 5px;
}

.b10 {
    margin-bottom: 10px;
}

.b15 {
    margin-bottom: 15px;
}

.b20 {
    margin-bottom: 20px;
}