/*css reset*/
html {
    overflow-y: scroll;
}
body, h1, h2, h3, h4, h5, h6, p, hr,
ul, ol, li, dl, dt, dd,
form, fieldset, legend, input, button, select, textarea,
th, td,
pre {
    padding: 0;
    margin: 0;
}

body, button, input, select, textarea {
    color: #333;
    font-size: 12px;
    font-family: Arial,sans-serif;
}

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

em, i {
    font-style: normal;
}

a {
    text-decoration: none;
}

li {
    list-style-type: none;
    vertical-align: top;
}

img {
    border: none; /*display: block;*/
    vertical-align: top;
}

textarea {
    overflow: auto;
    resize: none;
}

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

/*clear float*/
.cf{}
.cf:after{
    content: "";
    display: block;
    clear: both;
}
.cf:before{
    content: "";
    display: block;
    clear: both;
}
.float_par {
    display: inline-block;
}

.float_childleft {
    float: left;
}

.float_childright {
    float: right;
}

/*dom center*/
.domcenter_par {
    font-size: 0;
    text-align: center
}

.domcenter_child {
    display: inline-block;
    vertical-align: top;
}

/*margin spacing*/
.margin_par {
    overflow: hidden;
}
.margin_child{
    display: flex;
}
/*
<p>a</p>
<div class='margin_par'>
    <p>a</p>
</div>
*/

/*background img*/
.backimg{
    background-position:center center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* 文字超出隐藏 */
/* 单行 */
.line1-over{
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}
/* 两行 */
.line2-over{
    overflow: hidden;
    text-overflow: ellipsis;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2;
}
/* 3行 */
.line3-over{
    overflow: hidden;
    text-overflow: ellipsis;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:3;
}

/* 6行 */
.line6-over{
    overflow: hidden;
    text-overflow: ellipsis;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:6;
}
/* 7行 */
.line7-over{
    overflow: hidden;
    text-overflow: ellipsis;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:7;
}
/* 8行 */
.line8-over{
    overflow: hidden;
    text-overflow: ellipsis;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:8;
}