/*legend*/
button,
input,
select,
textarea {
    font-family: inherit; 
    font-size: 100%; 
    margin: 0;
    outline:none;
}
button,
input {
    line-height: normal;
}
button,
select {
    text-transform: none;
}
button,
html input[type="button"], 
input[type="reset"],
input[type="submit"] {
    -webkit-appearance: button; 
    cursor: pointer; 
}

button[disabled],
html input[disabled] {
    cursor: default;
}
input[type="checkbox"],
input[type="radio"] {
    box-sizing: border-box; 
    padding: 0; 
}
input[type="search"] {
    -webkit-appearance: textfield; 
    -moz-box-sizing: content-box;
    -webkit-box-sizing: content-box; 
    box-sizing: content-box;
}
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}
button::-moz-focus-inner,
input::-moz-focus-inner {
    border: 0;
    padding: 0;
}
input.submit {
    cursor: pointer;
}
input.radio {
    width: 13px;
    height: 13px;
}
input[type="text"],
input[type="number"]{
    -webkit-appearance: none;
}
textarea {
    overflow: auto; 
    vertical-align: top;
    resize: none;
    -webkit-appearance: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
ul,
ol,
li { 
    list-style: none;
    float: left;
}
i, em{
    font-style: normal;
}
/*清除浮动*/
.clear {
    clear: both;
}
.f-cb{
    zoom: 1;
}
.f-cb:after{
    display:block;
    height:0;
    clear:both;
    visibility:hidden;
    overflow:hidden;
    content:".";
}
.fl {
    float:left;
    display: inline;
}
.fr {
    float:right;
    display: inline;
}
.por{
    position: relative;
}
.poa{
    position: absolute;
}
.poa-f{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.pos-f{
    position: fixed;
}
.ovh{
    overflow: hidden;
}
.noselect{
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}
.z1{
    z-index: 1;
}
.z2{
    z-index: 2;
}
.dn{
    display: none;
}
.w-f{
    width: 100%;
}
.h-f{
    height: 100%;
}
.fwn{
    font-weight: normal;
}
.t-f{
    transition: all 0.5s;
}
.t-c{
    transition: color 0.5s;
}
.t-bg{
    transition: background 0.5s;
}