* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
  }
  input {
    vertical-align: middle;
  }
  img {
    border: 0;
    vertical-align: middle;
  }
  table {
    border-collapse: collapse;
    border-spacing: 0;
  }
  ul,
  li {
    list-style-type: none;
  }
  a {
    text-decoration: none;
    color: inherit;
  }
  a:hover {
    text-decoration: none;
  }
  .tc {
    text-align: center;
  }
  .tl {
    text-align: left;
  }
  .tr {
    text-align: right;
  }
  .fl {
    float: left;
  }
  .fr {
    float: right;
  }
  .cl {
    clear: both;
  }
  .fb {
    font-weight: bold;
  }
  input:focus,
  select:focus,
  textarea:focus {
    outline: none;
  }
  input,
  textarea,
  select {
    font: inherit;
  }
  .rel {
    position: relative;
  }
  .abs {
    position: absolute;
  }
  .ellipsis {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }
  h3 {
    font-weight: normal;
  }
  em {
    font-style: normal;
  }
  .f16 {
    font-size: 16px;
  }
  .f18 {
    font-size: 18px;
  }
  .clearfix::after {
    content: "";
    display: block;
    clear: both;
    height: 0;
  }

  .bigimg img {
    transition: all 0.6s;
    -webkit-transition: all 0.6s;
  }
  .bigimg:hover img {
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
  }
.hidden{
  overflow: hidden;
}
.content{
    width: 1440px;
    margin: 0 auto;
}

.flex {
    display: flex;
    display: -webkit-flex;
}
.between {
justify-content: space-between;
}
.around {
justify-content: space-around;
}
.center {
align-items: center;
}
.wrap {
flex-wrap: wrap;
}


.flexEnd {
    display: flex;
    justify-content: flex-end;
}

.flexCenter {
    display: flex;
    justify-content: center;
}

.flexStart {
    display: flex;
    justify-content: flex-start;
}

.flexSpace {
    display: flex;
    justify-content: space-between;
}