/* 基础 */
* {
  margin: 0px;
  padding: 0px;
  border: 0;
  box-sizing: border-box;
}

body {
  font-family: "Arial";
  font-size: 16px;
  line-height: 1.5;
  width: 100%;
  min-width: 1200px;
  background-color: #ffffff;
}

ul,
li {
  list-style-type: none;
}

a {
  color: #000;
  transition: all 0.3s ease-out;
}

a,
a:hover {
  text-decoration: none;
}
#header {
  width: 100%;
  height: 200px;
}
#bottomifr {
  width: 100%;
  height: 398px;
}