.container4 {
  padding: 120rem 0;
  background: #fff;
  text-align: center;
}
.container4 .QA-list {
  margin-top: 60rem;
}
.container4 .QA-list .QA-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding: 24rem;
}
.container4 .QA-list .QA-item .QA-title span:first-child {
  display: inline;
}
.container4 .QA-list .QA-item .QA-title span:nth-child(2) {
  display: none;
}
.container4 .QA-list .QA-item.showList .QA-title span:first-child {
  display: none;
}
.container4 .QA-list .QA-item.showList .QA-title span:nth-child(2) {
  display: inline;
}
.container4 .QA-list .QA-item .QA-content {
  height: 0;
  overflow: hidden;
}
.container4 .QA-list .QA-item.showList .QA-content {
  height: auto;
 padding-right:35px;
}
.container4 .QA-list .QA-title {
  text-align: left;
  gap:8px;
  display: flex;
  cursor: pointer;
}
.ar .container4 .QA-list .QA-title span {
  margin-left: unset;
  margin-right: auto;
}
.container4 .QA-list .QA-title span {
  margin-left: auto;
  font-size: 28rem;
}
.container4 .QA-list .QA-li {
  text-align: left;
  color: var(--ebc-text-secondary);
  position: relative;
  /* padding-left: 18rem;  */
  margin-top: 10rem;
  padding-left: 18rem;
}
.container4 .QA-list .QA-li:first-child {
  margin-top: 24rem;
}

.container4 .QA-list .QA-li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 14rem; /* 根据 line-height 调整，使其在第一行中间 */
  transform: translateY(-50%);
  font-size: 16rem;
  line-height: 0;
  color:var(--ebc-text-secondary)
}
@media (max-width: 996px) {
  .container4 {
    padding: 160rem 32rem;
  }
  .container4 .contentBox {
    padding-inline: 0;
  }
  .container4 .QA-list {
    margin-top: 80rem;
  }
  .container4 .QA-list .QA-item {
    padding: 40rem 0;
  }
  .container4 .QA-list .QA-title span {
    font-size: 42rem;
  }
  .container4 .QA-list .QA-li {
    margin-top: 25rem;
    padding-left: 32rem;
  }
  .container4 .QA-list .QA-li:first-child {
    margin-top: 40rem;
  }
  .container4 .QA-list .QA-li::before {
  top: 24rem; /* 根据 line-height 调整，使其在第一行中间 */
  transform: translateY(-50%);
  font-size: 32rem;
}
}