* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
article {
  padding: 4.2667vw;
}
.title {
  width: 100%;
  text-align: center;
  font-size: 4.2667vw;
  font-weight: bold;
  color: #181818;
}
.back {
  width: 100%;
  text-align: right;
}
.back a {
  font-size: 4.2667vw;
  color: #999999;
  text-decoration: none;
}
.content {
  padding: 4.2667vw 0;
  font-size: 3.2vw;
  color: #181818;
  line-height: 170%;
}
.content .red {
  color: #e64340;
}
header {
  height: 11.4667vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: -4.2667vw;
  padding: 0 2vw;
  background: #f7f7f7;
}
header .toback {
  color: #181818;
  display: flex;
  text-decoration: none;
}
header .toback .iconfont {
  font-size: 5.8667vw;
}
header h3 {
  color: #181818;
  font-size: 4.8vw;
}
header .rig {
  min-width: 5.8667vw;
}
footer {
  background: #f7f7f7;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  padding: 2.6667vw 0;
  margin: 2.6667vw -4.2667vw -4.2667vw;
}
footer p {
  font-size: 3.2vw;
  margin: 1vw 0;
  color: #cecece;
}
footer a {
  font-size: 3.2vw;
  color: #cecece;
}