.clearfix {
  zoom: 1;
}
.clearfix:before {
  content: '';
  display: block;
}
.clearfix:after {
  content: '';
  display: table;
  clear: both;
}
header {
  width: 100%;
  overflow: hidden;
}
header .head {
  width: 100%;
  height: 0.84rem;
  background: #b91126;
  overflow: hidden;
}
header .head .logo {
  width: 57.2%;
  margin: 0.16rem 0 0 0.2rem;
  float: left;
}
header .head .iphone {
  width: 32.6%;
  margin: 0.23rem 0.11rem 0 0;
  float: right;
}
header nav {
  width: 100%;
  line-height: 0.73rem;
  font-size: 0.29rem;
  overflow: hidden;
}
header nav ul li {
  width: 25%;
  text-align: center;
  float: left;
  position: relative;
}
header nav ul li.nav_active {
  border-bottom: 4px solid #e16e29;
}
footer {
  width: 100%;
  font-size: 0.25rem;
  text-align: center;
  background: #e9e8e8;
  padding-bottom: 0.9rem;
  overflow: hidden;
}
footer .foot_1 {
  margin: 0.4rem auto 0;
  overflow: hidden;
}
footer .foot_1 p {
  display: inline-block;
}
footer .foot_1 p i {
  width: 0.8rem;
  margin-bottom: 0.1rem;
  display: inline-block;
}
footer .foot_1 p span {
  line-height: 0.3rem;
  border-right: 1px solid #333;
  padding: 0 0.26rem;
  display: block;
}
footer .foot_1 p:last-child span {
  border-right: none;
}
footer > hr {
  width: 78%;
  border-top: 1px solid #333;
  border-bottom: none;
  margin: 0.2rem auto;
}
footer .foot_2 {
  line-height: 0.4rem;
}
footer .foot_2 span {
  font-size: 0.26rem;
}