.container {
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  max-height: 100%;
}
.header {
  background-color: #fff;
  z-index: 10;
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #eee;
  align-items: center;
  padding-right: 15px;
}

.content {
  flex: 1;
  overflow-y: auto;
  background-color: #fff;
}

.footer {
  position: sticky;
  bottom: 0;
  padding: 15px;
  border-top: 1px solid #eee;
  display: flex;
  justify-content: flex-end;
  background-color: #fff;
  z-index: 10;
}

.operateBtn {
  margin-left: 1em;
}
