* {
    margin: 0;
    padding: 0;
    font-family: 'microsoft yaHei', Arial, Helvetica, sans-serif;
    box-sizing: border-box;
    word-wrap: break-word; 
    word-break: normal; 
    font-weight: normal;
}
a:link,
a:visited,
a:hover,
a:active {
    text-decoration: none;
    color: black;
}
ul,
ol,
p {
    margin-bottom: 0px;
}
li {
    list-style: none;
}

.dis_flex{
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
}


.flex1{
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    flex: 1;
}
.flex2{
    -webkit-box-flex: 2;
    -webkit-flex: 2;
    flex: 2;
}

.line1{
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.line2{
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.line3{
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.line4{
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.clear::after {
    content: '';
    font-size: 0px;
    line-height: 0px;
    display: table;
    clear: both;
}