/* logo */
.content_box {
  width: 100%;
  height: auto !important;
  background: #fff;
}
.content_box .logo_box {
  width: 100%;
  height: 100%;
  overflow: hidden;
  min-width: 1200px;
}
.content_box .logo_box img {
  width: 100%;
  height: 100%;
  display: block;
}
/* nav */
.content_box .nav_box {
  width: 100%;
  height: auto;
  background: #b00a00;
  position: relative;
  z-index: 99;
}
.content_box .nav_box .nav {
  width: 1200px;
  margin: 0 auto;
  height: 50px;
  background: #b00a00;
}
.content_box .nav_box .nav ul {
  display: flex;
  justify-content: space-between;
}
.content_box .nav_box .nav ul li {
  display: flex;
  flex: 1;
}
.content_box .nav_box .nav ul li .nav_a {
  z-index: 5;
  position: relative;
  line-height: 50px;
  display: block;
  height: 50px;
  color: #fff;
  overflow: hidden;
  float: left;
  font-size: 16px;
  font-family: 微软雅黑;
  width: 100%;
  text-align: center;
}
.content_box .nav_box .nav ul li:hover {
  background: #FFF;
}
.content_box .nav_box .nav ul li:hover a {
  color: #b00a00;
  cursor: pointer;
}

/* 底部 */
.content_box .footer_box {
  width: 100%;
  height: 100px;
  clear: both;
  background: #b00a00;
  overflow: hidden;
  min-width: 1200px;
}
.content_box .footer_box .bq {
  width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  padding-top: 20px;
  text-align: center;
  color: #FFF;
  line-height: 30px;
  font-size: 16px;
}
.content_box .footer_box .bq a {
  font-size: 16px;
}