.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.content-box {
  width: 1200px;
  background: #fff;
  box-shadow: 0 0 5px #dae5ec;
  margin: 20px auto 60px;
}
.box-header {
  height: 60px;
  border-bottom: #d2d2d2 1px solid;
}
.box-header-title {
  font-size: 18px;
  font-weight: bold;
}
.box-body {
  padding: 30px 200px;
  font-size: 16px;
  line-height: 2;
}
.notice-content {
  text-indent: 2em;
}
.download-title {
  font-size: 18px;
  font-weight: 600;
  margin-top: 20px;
}
.down-arrow-wrapper {
  width: 100px;
  display: flex;
  justify-content: space-between;
}
.download-tips {
  font-size: 16px;
  color: rgb(237, 125, 49);
  text-indent: 2em;
}
/* 资源列表 */
.resource-list {
  font-size: 16px;
}
.block-content {
  margin-bottom: 10px;
}
.subject {
  padding-left: 20px;
}
.subject-title {
  font-weight: 600;
}
.baitu-title {
  padding-right: 50px;
}
.block-content-row {
  display: flex;
}
.block-title {
  font-size: 18px;
  color: #ff0000;
}
.download-link {
  color: #0000ff;
  text-decoration: underline;
  margin-right: 30px;
}
/*册次*/
.book-row-title {
  color: rgb(66, 139, 202);
  display: flex;
  align-items: center;
}
.book-icon {
  width: 16px;
  height: auto;
  margin-right: 10px;
}
.book-row-list {
  padding-left: 40px;
  display: flex;
  flex-wrap: wrap;
}
.book-row-list .download-link {
  position: relative;
  margin-right: 30px;
}
.book-row-list .download-link::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  background-color: rgb(66, 139, 202);
  border-radius: 50%;
  position: absolute;
  left: -10px;
  top: 50%;
  margin-top: -1px;
}
.get-code {
  color: rgb(66, 139, 202);
}
.technical-support {
  margin-top: 20px;
}
.support-title {
  font-weight: 600;
}
.support-person {
  margin-left: 20px;
}