html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, 】 dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, p {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  vertical-align: baseline;
  background: transparent;
  list-style: none;
  text-decoration: none;
  font-weight: normal;
  box-sizing: border-box;
  font-family: Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB, Microsoft YaHei, Arial, sans-serif;
}

.fr {
  float: right;
}

.fl {
  float: left;
}

.img {
  display: block;
  width: 100%;
}

.clearfix:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}

.container {
  width: 1200px;
  margin: 0 auto;
}

.flex-wrapper {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.bg-gray {
  background: #F5F5F5;
}

/* 公共头部 尾部 begin*/

.header {
  width: 100%;
  height: 80px;
  border-bottom: 1px solid rgba(255, 255, 255, .2);
  position: absolute;
  left: 0;
  top: 0;
  z-index: 999;
}

.header .logo {
  width: 168px;
  height: 80px;
}

.header .nav li {
  float: left;
  position: relative;
}

.header .nav li a {
  display: block;
  font-size: 16px;
  font-weight: 400;
  color: #FFFFFF;
  opacity: 0.7;
  padding: 0 24px;
  line-height: 40px;
  margin: 20px 0;
}

.header .nav li.active a {
  opacity: 1;
  font-weight: bold;
}

.header .nav li.active a:after {
  content: "";
  width: 100%;
  height: 1px;
  background: #fff;
  position: absolute;
  left: 0;
  bottom: 0;
}

.header .nav li:last-of-type.active a {
  background: #FFFFFF;
  border-radius: 20px;
  color: #FFAA33;
}

.header .nav li:last-of-type.active a::after {
  height: 0;
}

.footer {
  text-align: center;
  background: #333333;
  font-size: 16px;
  color: #999999;
  line-height: 120px;
}
.footer a{
  color: #999;
}

/* 公共头部 尾部 end*/