body {
  background: #fff !important;
}
h4 {
  font-size: 27px;
  line-height: 27px;
  margin: 4px 0;
}
p {
  font-size: 15px;
}
header,
.activity_nav_header {
  width: 100%;
  height: 0;
  position: relative;
  top: 0;
  left: 0;
  padding-bottom: 42.533%;
  -webkit-box-sizing: inherit;
  box-sizing: inherit;
}
header:before,
.activity_nav_header:before {
  content: "";
  display: block;
  width: 100%;
  height: 150px;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
}
header .header_top,
.activity_nav_header .header_top {
  position: absolute;
  top: 0;
  left: -65px;
  z-index: 3;
  margin-left: 50%;
  margin-top: 18px;
}
header .header_top img,
.activity_nav_header .header_top img {
  width: 130px;
}
header .imgMax {
  width: 100%;
}
header .imgMax,
.activity_nav_header .imgMax {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}
header .imgMax img,
.activity_nav_header .imgMax img {
  width: 100%;
  margin-top: -20%;
}
header .activity_nav_imgMax,
.activity_nav_header .activity_nav_imgMax {
  background: url("../image/activity_top.jpg") no-repeat;
  background-size: cover;
  background-position: 0 71%;
  height: 0;
  padding-bottom: 42.555%;
}
header .wrap,
.activity_nav_header .wrap {
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 2;
  background: rgba(236, 236, 236, 0.7);
  color: #004F96;
  font-weight: 300;
  width: 366px;
  height: 148px;
  padding: 20px 25px;
  margin: 0 0 7.2222% 6.2222%;
}
header .wrap:after,
.activity_nav_header .wrap:after {
  content: "";
  display: block;
  border: 1px solid #004F96;
  position: absolute;
  top: 10px;
  left: 10px;
  bottom: 10px;
  right: 10px;
}
.activity_nav_header {
  height: 0;
  padding-bottom: 42.555%;
}
.activity_content {
  background: #fff;
  margin-top: -40px;
  padding-bottom: 100px;
  z-index: 6;
  width: 90%;
  height: auto;
  float: right;
  box-shadow: 0 0 7px 1px rgba(0, 0, 0, 0.2);
  border-radius: 24px 0 0 0;
  color: #004F96;
}
.activity_content .div_wrap {
  margin: 36px 0 22px 34px;
  display: none;
}
.activity_content .div_container {
  margin: 10px 0 0 10px;
}
.activity_content .div_container h4 {
  text-align: left;
  margin-top: 40px;
  margin-left: 24px;
  margin-bottom: 30px;
}
.activity_content .div_container p {
  margin: 10px 0;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  padding: 2px 40px;
}
.activity_nav_content {
  padding-bottom: 70px;
  color: #1d4f91;
}
.activity_nav_content a {
  color: #1d4f91;
  padding: 0 10px 0;
}
.activity_nav_content h3 {
  text-align: left;
  font-size: 40px;
  margin: 28px 0 18px 0;
}
.activity_nav_content ul {
  width: 100%;
  display: flex;
  display: -webkit-flex;
  flex-wrap: wrap;
  justify-content: center;
}
.activity_nav_content ul li {
  width: 30.3%;
  text-align: center;
  margin: 20px 1% 5px;
}
.activity_nav_content ul li img,
.activity_nav_content ul li figure {
  width: 100%;
  margin: 0;
}
.activity_nav_content ul li figure {
  padding: 10px;
}
.activity_nav_content ul li p {
  font-size: 12px;
  text-align: left;
}
.activity_nav_content ul li h4 {
  font-size: 18px;
  text-align: left;
}
.activity_nav_content .layui-flow-more {
  width: 100%;
  margin-top: 24px;
}
.activity_nav_content .layui-flow-more a cite {
  background-color: #1d4f91;
  color: #fff;
}
.w {
  width: 100%;
  background: #1d4f91;
  float: left;
}
@media screen and (max-width: 750px) and (min-width: 0) {
  header .wrap {
    display: none !important;
  }
  .div_container h4 {
    display: none !important;
  }
  .div_wrap {
    display: block !important;
  }
}
@media screen and (min-width: 768px) {
  .layui-container-my {
    width: 100%;
  }
}
@media screen and (max-width: 520px) and (min-width: 0) {
  .activity_nav_content li {
    width: 100% !important;
  }
}
@media screen and (min-width: 801px) {
  .activity_nav_content li {
    width: 30.3% !important;
  }
}
@media screen and (max-width: 800px) and (min-width: 521px) {
  .activity_nav_content li {
    width: 48% !important;
  }
}