.register-conference {
  background: url("/static/ccirm/image/conf_index/conference_bg.png") no-repeat;
  position: relative;
  margin-bottom: 50px;
}

.register-conference .conference-content {
  max-width: 1600px;
  background: #FFFFFF;
  padding: 0 50px;
  padding-top: 30px;
  padding-bottom: 60px;
}

.register-conference .conference-content .conference-cicirm h3 {
  font-family: Source Han Sans CN;
  font-weight: bold;
  font-size: 26px;
  color: #111111;
  /* padding-left: 50px; */
}

.register-conference .conference-content .conference-base {
  /* width: 1500px;
  margin-left: 50px; */
}

.register-conference .conference-content .conference-base .base {
  /* width: 1500px; */
  height: 48px;
  background: #F4F8FC;
  font-family: Source Han Sans CN;
  font-weight: 500;
  font-size: 18px;
  color: #111111;
  position: relative;
  padding-left: 28px;
  line-height: 48px;
  margin: 30px 0;
}

.register-conference .conference-content .conference-base .base::after {
  position: absolute;
  top: 14px;
  left: 10px;
  content: '';
  width: 4px;
  height: 20px;
  background: #141ED2;
}

.register-conference .conference-content .conference-base .base-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.register-conference .conference-content .conference-base .base-content .base-item {
  /* margin-right: 30px; */
  margin-bottom: 30px;
  margin-right:2%;
}

.register-conference .conference-content .conference-base .base-content .base-item label {
  font-family: Source Han Sans CN;
  font-weight: bold;
  font-size: 16px;
  color: #333333;
  display: block;
  margin-bottom: 15px;
}

.register-conference .conference-content .conference-base .base-content .base-item input {
  width: 480px;
  height: 44px;
  background: #FFFFFF;
  border-radius: 4px;
  border: 1px solid #DDDDDD;
  outline: none;
  padding-left: 18px;
  font-size: 14px;
}

.register-conference .conference-content .conference-base .base-content .base-item input.d-false {
  border: 1px solid #b53030;
}

.register-conference .conference-content .conference-base .base-content .base-item div {
  position: relative;
}

.register-conference .conference-content .conference-base .base-content .base-item div select {
  width: 480px;
  height: 44px;
  background: #FFFFFF;
  border-radius: 4px;
  border: 1px solid #DDDDDD;
  padding-left: 18px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  font-size: 14px;
}

.register-conference .conference-content .conference-base .base-content .base-item div select.d-false {
  border: 1px solid #b53030;
}

.register-conference .conference-content .conference-base .base-content .base-item div::after {
  content: '';
  position: absolute;
  top: 16px;
  right: 16px;
  width: 12px;
  height: 12px;
  background: url("/static/ccirm/image/annual_meeting/download.png") no-repeat;
  background-size: cover;
  z-index: 10;
}

.register-conference .conference-content .conference-base .base-content .base-item div.specia select {
  width: 735px;
}

.register-conference .conference-content .conference-base .base-content .base-item:nth-child(3n) {
  margin-right: 0;
}

.register-conference .conference-content .conference-base .base-content .base-item:has(div.specia.sel) {
  margin-right: 0;
}

.register-conference .conference-content .btn_submit {
  width: 240px;
  height: 48px;
  background: #141ED2;
  border-radius: 8px;
  display: block;
  margin: 30px auto 0;
  font-family: Source Han Sans CN;
  font-weight: 400;
  font-size: 18px;
  color: #FFFFFF;
  text-align: center;
  line-height: 48px;
  border: none;
}