a {
    text-decoration: none;
    color: black;
}

ul,
li,
dl,
dt,
dd{
    list-style: none;
    margin: 0px;
    padding: 0px;
    color: black;
    font-weight: normal;
    cursor: pointer;
}

h6,
h5,
h4,
h3,
h2,
h1,
p {
    margin: 0;
    padding: 0;
    font-weight: normal;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Microsoft YaHei';
    background-color: #f7f7f7 ;
}

input,
select {
    border: 0px;
    outline: none;
    cursor: pointer;
}

input[type=submit],
input[type=reset],
input[type=button]{
    outline:none;
    filter: chroma(color=#000000);  
}

.w1200 {
    width: 1200px;
    margin: 0 auto;
}
.w1300 {
    width: 80%;
    margin: 0 auto;
}
.w90{
    width: 90%;
    margin: 0 auto;
}
.dian{
    word-break:keep-all;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis; 
}
.dian2{
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.dian4{
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}




@-webkit-keyframes buzz-out {
    0%,
    100%,
    20%,
    50%,
    80% {
      transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
      /*贝塞尔曲线 ： X1 Y1 X2 Y2*/
      transform: translate3d(0, 0, 0);
      /*设置只在Z轴上移动*/
    }

    40%,
    43% {
      transition-timing-function: cubic-bezier(0.755, 0.50, 0.855, 0.060);
      transform: translate3d(0, -30px, 0);
    }

    70% {
      transition-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
      transform: translate3d(0, -15px, 0);
    }

    90% {
      transform: translate3d(0, -4px, 0);
    }
  }


.na-c-left{display:flex;flex-wrap: wrap; width: 70%}
.na-c-one{margin-right:0!important; width: auto!important; padding: 0 20px!important}