.btn-group a{transition: all 0.2s ease, visibility 0s;
    background: #816E7C;
    padding-left: 10px;
    padding-right: 10px;    width: 150px;
    height: 42px;color: #FFFFF6;
    font-weight: 400; margin:0 40px;
    font-size: 17px;    text-decoration: none;
    display: inline-block; line-height:42px; text-align:center;}
.btn-group a svg{display:none;}
.btn-group a:hover{background:#fff; border:1px solid #816E7C; color:#333;}
.meeting-notice {
  text-align: center;
  padding:60px 20px;}
.title-cn {
  font-size: 50px;
  line-height: 1.5;
  margin-bottom: 20px;text-align:center;}
.title-en {text-align:center;
  font-size: 29px;
  line-height: 1.8;
  font-weight: bold;
  color: #202020;
  margin-bottom: 30px;}
.btn-group {
  display: flex;
  justify-content: center;
  gap: 20px; margin:20px auto;}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0px 24px;
  text-decoration: none;
  color: inherit;}
.btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;}
section{}