body,
html {
  width: 100%;
}
main {
  width: 1200px;
  height: 600px;
  margin: 0 auto;
}
.info {
  width: 100%;
  height: 100%;
  background: url(../images/shouping_beijing.png);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  position: relative;
}
.sign {
  color: #ffffff;
  text-align: center;
  width: 100%;
}
.sign h1 {
  font-size: 60px;
  font-weight: bold;
  padding-bottom: 30px;
}
.sign p {
  font-size: 24px;
  margin-top: 30px;
}
.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
}