* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

.wrapper {
  width: 1200px;
  margin: auto;
}

img {
  display: block;
  margin: 0 auto;
}

.clearfix {
  *zoom: 1;
}
.clearfix::after {
  content: '';
  display: block;
  visibility: hidden;
  font-size: 0;
  height: 0;
  clear: both;
}

/* 公共底部 */
.footer {
  background: #fff;
  text-align: center;
  color: #333;
  font-size: 15px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.footer-navs {
  margin-top: 15px;
}
.footer-navs a {
  color: #333;
  text-decoration: none;
}
.footer-navs a + a {
  margin-left: 60px;
}
.footer-navs a:hover {
  text-decoration: underline;
}
.footer-divider {
  width: 440px;
  border-bottom: 1px solid #333;
  margin: 10px auto;
}
.footer-info p + p {
  margin-top: 8px;
}

.footer.blue {
  background: #304EE2;
  color: #fff;
}
.footer.blue .footer-navs a {
  color: #fff;
}
.footer.blue .footer-divider {
  border-bottom: 1px solid #fff;
}