.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: #FFF;
  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%;
  height: 0.84rem;
  line-height: 0.8rem;
  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: 0.2rem;
  background: #f1f1f1;
  padding-bottom: 1.1rem;
  overflow: hidden;
}
footer .foot_img {
  width: 34%;
  margin-top: 0.35rem;
  float: left;
}
footer .foot_text {
  width: 66%;
  float: left;
}
footer .foot_text .f {
  margin-top: 0.15rem;
  overflow: hidden;
}
footer .foot_text .f > p {
  width: 0.44rem;
  line-height: 0.2rem;
  margin-right: 0.15rem;
  margin-top: 0.1rem;
  float: left;
}
footer .foot_text .f > div {
  float: left;
}
footer .foot_text .f > div .fb_1 {
  font-size: 0.29rem;
}
footer .foot_text .f > div .fb_2 {
  font-size: 0.22rem;
}
footer .foot_text .f > div > i {
  font-style: normal;
  font-size: 0.15rem;
}
footer .foot_text .foot_btn {
  margin: 0.1rem 0 0 0.4rem;
}
footer .foot_text .foot_btn a {
  width: 1.45rem;
  height: 0.48rem;
  line-height: 0.47rem;
  text-align: center;
  text-indent: -0.26rem;
  color: #fff;
  background: #2e3642 url("../images/foot_icon3.jpg") no-repeat 1.09rem center;
  -webkit-background-size: 0.25rem 0.25rem;
  background-size: 0.25rem 0.25rem;
  margin-right: 0.07rem;
  margin-bottom: 0.25rem;
  -webkit-border-radius: 0.1rem;
  -moz-border-radius: 0.1rem;
  border-radius: 0.1rem;
  display: block;
  float: left;
}
footer .foot_p {
  text-align: center;
  font-size: 0.22rem;
}
footer .foot_p span {
  font-size: 0.26rem;
  font-weight: bold;
}
@media screen and (max-width: 320px) {
  footer .foot_text .f > div {
    width: 28rem;
  }
}