body {
  font-size: 14px;
  line-height: 20px;
  font-family: 文泉驿微米黑, 文泉驿正黑, 微软雅黑, sans-serif;
}
a { text-decoration: none; }
#page {
  margin: 10px auto 0 auto;
  width: 760px;
  text-align: center;
  overflow: hidden;
}
h1 {
  font-size: 24px;
  line-height: 35px;
  margin: 0 auto 20px auto;
}
input { width: 15.5ex; }
.error { color: red; font-weight: bold; }
#query { margin: 0 auto 10px auto; }
#howto {
  margin-top: 0.5em;
  line-height: 25px;
  text-align: left;
  background-color: #f0e68c;
  padding: 10px;
  height: 180px;
  display: none;
}
#howto img { margin-left: 10px; }
.right { float: right; }
#loading {
  display: none;
  text-align: left;
  background-color: yellow;
  padding: 10px;
}
#error {
  display: none;
  background-color: red;
  color: white;
}
#result { display: none; }
h2 {
  font-size: 18px;
  line-height: 22px;
  margin: 10px auto 10px auto;
}
.interfriend {
  float: left;
  width: 76px;
  height: 100px;
  text-align: center;
}
#footer {
  clear: both;
  margin: 20px;
  font-size: 12px;
}