* {
  padding: 0;
  margin: 0;
}
body{
  min-width: 1200px;
}
a {
  text-decoration: none;
}
button{
  border:none
}

ul {
  list-style: none;
}
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, button, textarea, p, blockquote, th, td { margin: 0; padding: 0;  font-family: "微软雅黑"; }
fieldset, img { border: 0; }

.flex {
  display: flex;
}

.flex-item {
  display: flex;
  align-items: center;
}

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

.flex-arround {
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-colunm {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.content {
  width: 12rem;
  margin:0 auto
}

.t1 {
  font-size: .14rem;
  color: rgba(0, 0, 0, 1);
}

.t2 {
  font-size: .16rem;
  color: rgba(0, 0, 0, 1);
}
.t3{
  font-size: .18rem;
  color: rgba(0, 0, 0, 1);
}
.t4 {
  font-size: .25rem;
  color: rgba(0, 0, 0, 1);
  font-weight: bold;
}