* {
  margin: 0;
  padding: 0;
  list-style: none;
}
div {
  box-sizing: border-box;
}
body {
  position: relative;
}
.xinfeng {
  width: 400px;
  position: absolute;
  top: 30%;
  right: 10%;
  text-align: center;
  cursor: pointer;
}
.xinfeng h2 {
  margin-bottom: 10px;
  color: #72030d;
}
.xinfeng .a {
  width: 100%;
}
.xinfeng .b {
  position: absolute;
  width: 100px;
  left: 37%;
  border-radius: 50%;
  top: 40%;
}
.xinfeng a {
  display: block;
  width: 100%;
  height: 100%;
}
.xinfeng2 {
  position: absolute;
  width: 400px;
  top: 30%;
  left: 10%;
}
.xinfeng2 .a {
  width: 100%;
  position: relative;
}
.xinfeng2 .box {
  position: absolute;
  top: -100px;
  left: 0;
  width: 100%;
  height: 300px;
  background: #eee;
}
.xinfeng2 .box h2 {
  font-size: 18px;
  text-align: center;
  margin: 10px 0;
  margin-bottom: 30px;
}
.xinfeng2 .box span {
  color: #bb0003;
  font-weight: 600;
}
.xinfeng2 .box p {
  text-align: center;
  padding: 0 10px;
  font-weight: 300;
  font-size: 14px;
  margin-bottom: 10px;
}
.xinfeng2 .b {
  position: absolute;
  width: 100px;
  left: 37%;
  border-radius: 50%;
  top: 40%;
}
.xinfeng3 {
  position: absolute;
  width: 400px;
  top: 30%;
  left: 10%;
}
.xinfeng3 .a {
  width: 100%;
  position: relative;
}
.xinfeng3 .b {
  position: absolute;
  width: 100px;
  left: 37%;
  border-radius: 50%;
  top: 40%;
}
.xinfeng3 p {
  position: absolute;
  top: 30px;
  display: block;
  width: 100%;
  text-align: center;
  font-size: 20px;
  opacity: 0;
  transition: 0.2s;
}
.xinfeng3 span {
  color: #bb0003;
  font-weight: 600;
  text-decoration: underline;
}
.xinfeng3:hover p {
  opacity: 1;
}
.b {
  transition: 0.2s;
}
.b:hover {
  transform: rotate(360deg);
}