a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,button,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video {
    margin: 0;
    padding: 0;
    border: 0;
    vertical-align: baseline;
    background: 0 0;
    outline: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box
}

article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section {
    display: block
}

ol,ul {
    list-style: none
}

button {
    background: 0 0
}

blockquote,q {
    quotes: none
}

blockquote:after,blockquote:before,q:after,q:before {
    content: '';
    content: none
}

strong {
    font-weight: 700
}

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

img {
    border: 0;
    max-width: 100%
}

a {
    text-decoration: none
}

input,textarea{
    outline:none;
    padding:0;
    margin:0;
    border:0;
    background:none;
    border-radius:0;
}

.bright50{
    -webkit-filter: brightness(50%);
    filter: brightness(50%);
}
.gray100{
    -webkit-filter: grayscale(100%);
    filter: grayscale(100%);
}
.center{
    display: -webkit-flex;
    display: -moz-flex;
    display: flex;
    justify-content: center;
    align-items: center;
}
.flex-wrap{
    display: -webkit-flex;
    display: -moz-flex;
    display: flex;
    flex-wrap:wrap;
}
.space-between{
    display: -webkit-flex;
    display: -moz-flex;
    display: flex;
    justify-content: space-between;
}
.col-center{
    display: -webkit-flex;
    display: -moz-flex;
    display: flex;
    align-items: center;
    flex-direction: column;
}
ul.list-between{
    display: -webkit-flex;
    display: -moz-flex;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.bg-img-100{
    background-size:100% 100%;
}
ul.scroll-x{
    display: -webkit-flex;
    display: -moz-flex;
    display: flex;
    justify-content: space-between;
    flex-wrap: nowrap;
    overflow-x: auto;
}
ul.scroll-x li{
    flex-shrink: 0;  /*可以用于防止控件压缩变形*/
}
.text-hide1{   /*单行文本溢出*/
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
}
.text-hide2{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.text-hide3{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}
.text-hide4{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
}