html,
body {
  padding: 0;
  margin: 0;
  background-color: #2567b2;
  background-image: url('../img/activity_banner.jpg');
  background-position-x: center;
  background-repeat: no-repeat;
}
header {
  text-align: center;
  height: 580px;
}
header p {
  color: #fff;
  font-size: 20px;
  padding-top: 150px;
}
.container {
  padding: 30px 0;
}
.container h2 {
  background-color: #1e5593;
  font-size: 20px;
  color: #fff;
  width: fit-content;
  font-weight: bold;
  padding: 10px 30px;
  border-radius: 24px;
  margin-bottom: 30px;
  box-shadow: 3px 3px #fff;
}
.container .center_box {
  width: 1050px;
  margin: 0 auto;
}
.container .center_box .bg_white {
  background-color: #fff;
  border-radius: 25px;
}
.container .center_box .p_bottom {
  padding-bottom: 50px;
}
.container .center_box .center_text {
  color: #2567b2;
  font-size: 18px;
  font-weight: bold;
  padding: 30px 20px;
  text-align: center;
}
.container .center_box .content_text {
  font-size: 16px;
  padding: 50px 100px;
  color: #676767;
  line-height: 28px;
}
.container .center_box ul {
  list-style-type: none;
  padding: 0;
  width: 660px;
  margin: 0 auto;
  text-align: center;
}
.container .center_box ul li {
  padding: 0 100px;
  line-height: 62px;
  background: #fff;
  width: 660px;
  font-weight: bold;
  font-size: 20px;
  color: #2567b2;
  border: 2px solid #1d508a;
  border-radius: 25px;
  box-sizing: border-box;
  margin-bottom: 10px;
  text-align: left;
}
.container .center_box ul li strong {
  color: #fe680d;
  margin-left: 15px;
  font-size: 26px;
}
.container .center_box ul li .present {
  float: right;
  padding: 0;
  font-size: 26px;
  margin: 0;
  color: #2567b2;
}
.container .center_box .want_go {
  margin: 0 auto;
  width: fit-content;
}
.container .center_box .want_go #join {
  background-color: #fe680d;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  width: 380px;
  height: 42px;
  border-radius: 10px;
  line-height: 42px;
  text-align: center;
  display: block;
}
.container .center_box .advisory {
  margin: 0 auto;
}
.container .center_box .advisory p span {
  vertical-align: middle;
}
.container .center_box .advisory p span img {
  vertical-align: middle;
  margin-left: 20px;
  margin-right: 10px;
}