.announce-wrap {
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}
.announce-wrap .header-announce {
  border-bottom: 1px solid #fff;
  background-color: #F0F2F2;
}
.announce-wrap .header-announce:last-child {
  border-bottom: none;
}
.header-announce{
  color: #707070;
  padding: 10px;
  line-height: 1.4;
}
.announce-wrap section:last-child {
  border-bottom: none;
}
.header-announce-title{
  position: relative;
  font-size: 14px;
  font-weight: bold;
  text-align: center;
  cursor: pointer;
}
.header-announce-body{
  text-align: left;
  margin-top: 1em;
  font-size: 12px;
  line-height: 1.5;
  color: #333;
}
.accordion-body {
  height: 0;
  overflow: hidden;
}
.header-announce-body a {
  text-decoration: underline;
}
.header-announce-index {
  position: absolute;
  right: 0;
  width: 14px;
  height: 14px;
  display: inline-block;
  margin-left: 0.6em;
}
.header-announce-index::before {
  content: '';
  position: absolute;
  top: 1px;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  background-color: #707070;
  width: 12px;
  height: 2px;
}
.header-announce-index::after {
  content: '';
  position: absolute;
  top: 1px;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  background-color: #707070;
  width: 2px;
  height: 12px;
  -webkit-transition: height 100ms linear;
  transition: height 100ms linear;
}
.accordion-active .header-announce-index::after {
  height: 0;
}