.public-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.header {
  position: relative;
  z-index: 1;
  box-shadow: 0 0 3px rgba(0,0,0,.7);
}
.header .public-container {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header .public-container h1 {
  font-size: 30px;
  color: #ca251e;
  font-family: '楷体';
}
.header .public-container p b {
  color: #ce828b;
}
.banner img {
  width: 100%;
  display: block;
  max-height: 500px;
}
.floor {
  padding: 80px 0 60px;
}
.floor:nth-child(even) {
  background-color: #f2f2f2;
}
.floor .title {
  text-align: center;
  font-size: 30px;
  color: #333;
}
.floor .content {
  margin-top: 50px;
  overflow: hidden;
}
.floor .content p {
  text-indent: 2em;
  line-height: 2;
  font-size: 20px;
  color: #666;
  text-align: justify;
}
.footer {
  padding: 20px 0;
  background-color: #252526;
  color: #ccc;
  text-align: center;
}
.footer p {
  margin: 10px 0;
}