html,body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Microsoft YaHei";
  background: rgb(240,243,250);
  line-height: 0;
}

.ecqs-container {
  width: 1000px;
  margin: 0 auto;
}

a {
  text-decoration: none;
}

p {
  margin: 0;
  padding: 0;
}

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

ul,li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.clearfix:after {
  content: '';
  height: 0;
  display: block;
  clear: both;
}

div {
  box-sizing: border-box;
}

dl,dt,dd{
  margin: 0;
  padding: 0;
}

h2,h3 {
  padding: 0;
  margin: 0;
}

.hide {
  display: none;
}

.show {
  display: block;
}