* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
ul li {
  list-style: none;
}
a {
  text-decoration: none;
}
#header {
  position: sticky;
  top: 0;
  z-index: 9;
}
#container {
  min-height: 100vh;
  background-color: #fff;
  /* 主容器 */
  /* 标题样式 */
  /* 选项卡 */
  /* 视频列表 */
  /* 申请培训区域 */
  /* 分页 */
  /* 空状态 */
  /* 加载状态 */
  /* 基础样式 */
  /* 标题样式 */
  /* 筛选区域 */
  /* 下拉选择框 */
  /* 搜索框 */
  /* 按钮样式 */
  /* 问题列表 */
  /* 空状态 */
  /* 分页 */
  /* 加载状态 */
  /* 响应式调整 */
  /* 响应式布局 */
}
#container .banner {
  margin-bottom: 1.875rem;
  display: flex;
  justify-content: center;
  /* 水平居中 */
  align-items: center;
  /* 垂直居中 */
  position: relative;
  /* 如果需要的话 */
}
#container .banner .image {
  width: 100%;
  height: 30.3125rem;
  overflow: hidden;
}
@media (max-width: 48rem) {
  #container .banner .image {
    transition: 0.3s;
    width: 100%;
    overflow: hidden;
  }
}
#container .banner .img-word {
  position: absolute;
  display: flex;
  width: 50%;
  justify-content: space-evenly;
  align-items: center;
}
#container .banner .img-word .small_img {
  width: 15.75rem;
  height: 15.75rem;
  margin-right: 30px;
}
@media (max-width: 900px) {
  #container .banner .img-word .small_img {
    width: 10.75rem;
    height: 10.75rem;
    transition: 0.3s;
    margin-right: 30px;
  }
}
#container .banner .img-word .right_img_word {
  color: #fff;
}
#container .banner .img-word .right_img_word .right_top_title {
  font-size: 1.25rem;
  font-weight: bold;
  margin-bottom: 0.9375rem;
}
#container .banner .img-word .right_img_word .right_center_content {
  font-size: 0.875rem;
  margin-bottom: 1.875rem;
}
#container .banner .img-word .right_img_word .right_center_content p {
  margin-bottom: 0.3125rem;
}
#container .banner .img-word .right_img_word .right_down_btn {
  display: inline-block;
  padding: 0.3125rem 1.25rem;
  font-size: 0.875rem;
  text-align: center;
  background-color: #fff;
  color: #175292;
  border-radius: 1.25rem;
  border: none;
  cursor: pointer;
  font-weight: bold;
}
@media (max-width: 800px) {
  #container .banner .img-word .right_img_word .right_top_title {
    font-size: 0.825rem;
  }
  #container .banner .img-word .right_img_word .right_center_content {
    font-size: 0.575rem;
  }
  #container .banner .img-word .right_img_word .right_down_btn {
    font-size: 0.575rem;
  }
}
@media (max-width: 31.25rem) {
  #container .banner .image {
    transition: 0.3s;
    width: 100%;
    height: 10.75rem;
    overflow: hidden;
  }
  #container .banner .img-word {
    display: none;
  }
}
@media (max-width: 660px) {
  #container .banner {
    margin-bottom: 0;
  }
}
#container .serve-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}
#container .apply-after--pc {
  max-width: 1200px;
  margin: 0 auto;
  padding: 99px 15px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  box-sizing: border-box;
}
#container .apply-after--pc .content-col {
  flex: 0 0 50%;
  max-width: 50%;
  padding-right: 15px;
}
#container .apply-after--pc .content-col .til {
  margin-bottom: 17px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
#container .apply-after--pc .content-col .til h2 {
  font-size: 28px;
  margin-bottom: 8px;
  color: #333333;
}
#container .apply-after--pc .content-col .til span {
  font-size: 14px;
  color: #666;
}
#container .apply-after--pc .content-col .description {
  font-size: 14px;
  line-height: 1.5;
  font-weight: 300;
  margin-bottom: 8px;
}
#container .apply-after--pc .content-col .button {
  display: block;
  width: 317px;
  height: 37px;
  line-height: 37px;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  color: #ffffff;
  background: #28669f;
  margin-top: 25px;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s;
  border: none;
  cursor: pointer;
}
#container .apply-after--pc .content-col .button:hover {
  background-color: #28669f;
}
#container .apply-after--pc .image-col {
  flex: 0 0 33.333%;
  max-width: 33.333%;
  padding-left: 15px;
}
#container .apply-after--pc .image-col .image {
  width: 100%;
  height: auto;
  border-radius: 4px;
  display: block;
}
#container .section-title {
  text-align: center;
  padding: 20px 0;
}
#container .section-title h2 {
  color: #175292;
}
#container .section-title span {
  color: #858585;
  font-size: 14px;
  text-transform: uppercase;
}
#container .section-title .line {
  width: 50px;
  height: 4px;
  background-color: #175292;
  margin: 10px auto;
}
#container .tab-container {
  display: flex;
  border: 1px solid #aeaeae;
  margin-bottom: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
#container .tab-item {
  flex: 1;
  min-width: 100px;
  padding: 10px 0;
  text-align: center;
  cursor: pointer;
  border-right: 1px solid #aeaeae;
  font-size: 14px;
  color: #666;
  transition: all 0.3s;
}
#container .tab-item:last-child {
  border-right: none;
}
#container .tab-item.active {
  background-color: #2465a1;
  color: white;
}
#container .video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}
#container .video-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}
#container .video-card:hover {
  transform: translateY(-5px);
}
#container .video-thumbnail {
  position: relative;
  width: 100%;
  height: 180px;
  background-color: #f8f8f8;
}
#container .video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
#container .video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background-color: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
#container .video-play-icon::after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 15px solid white;
  margin-left: 5px;
}
#container .video-info {
  padding: 15px;
}
#container .video-title {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#container .video-description {
  font-size: 14px;
  color: #666;
  height: 40px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
#container .apply-section {
  text-align: center;
  padding: 30px 0;
  border-bottom: 1px solid #eee;
  margin-bottom: 30px;
}
#container .apply-tip {
  max-width: 800px;
  margin: 0 auto 20px;
  line-height: 1.6;
  color: #666;
}
#container .apply-button {
  display: inline-block;
  padding: 10px 30px;
  background-color: #2465a1;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  transition: background-color 0.3s;
}
#container .apply-button:hover {
  background-color: #1a4f7a;
}
#container .pagination {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}
#container .page-item {
  margin: 0 5px;
}
#container .page-link {
  display: block;
  padding: 8px 12px;
  border: 1px solid #ddd;
  background-color: white;
  color: #333;
  text-decoration: none;
  border-radius: 4px;
}
#container .page-link.active {
  background-color: #2465a1;
  color: white;
  border-color: #2465a1;
}
#container .empty-state {
  text-align: center;
  padding: 50px 0;
  color: #999;
}
#container .loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
}
#container .faq-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}
#container .faq-header {
  text-align: center;
  margin-bottom: 30px;
}
#container .faq-header {
  text-align: center;
  margin-bottom: 30px;
}
#container .faq-header h2 {
  color: #175292;
}
#container .faq-header span {
  color: #858585;
  font-size: 14px;
  text-transform: uppercase;
}
#container .faq-header .line {
  width: 50px;
  height: 4px;
  background-color: #175292;
  margin: 10px auto;
}
#container .filter-area {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 25px;
  justify-content: center;
}
#container .filter-box {
  flex: 1;
  min-width: 250px;
}
#container .filter-select {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  background-color: #f5f7fa;
}
#container .search-box {
  position: relative;
  width: 100%;
}
#container .search-box input {
  width: 100%;
  padding: 10px 15px 10px 35px;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  background-color: #f5f7fa;
}
#container .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
  cursor: pointer;
}
#container .action-btn {
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  border: none;
  font-size: 14px;
}
#container .primary-btn {
  background-color: #409eff;
  color: white;
}
#container .danger-btn {
  background-color: #f56c6c;
  color: white;
}
#container .question-list {
  margin-bottom: 30px;
}
#container .question-item {
  border-radius: 4px;
  overflow: hidden;
}
#container .question-title {
  padding: 15px;
  cursor: pointer;
  font-weight: 500;
  position: relative;
  border-bottom: 1px solid #eee;
  margin-bottom: 15px;
}
#container .question-title:after {
  content: ">";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
}
#container .question-item.active .question-title:after {
  content: ">";
  position: absolute;
  right: 15px;
  top: 20%;
  transform: rotate(90deg);
}
#container .question-content {
  padding: 0 15px;
  max-height: 0;
  overflow: hidden;
  position: relative;
  padding-left: 30px;
}
#container .question-content:before {
  content: "A: ";
  position: absolute;
  left: 15px;
}
#container .question-item.active .question-content {
  padding: 0 15px 15px;
  max-height: 1000px;
  padding-left: 30px;
}
#container .empty-state {
  text-align: center;
  padding: 50px;
  color: #888;
  display: none;
}
#container .pagination-area {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}
#container .pagination-list {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}
#container .pagination-item {
  margin: 0 5px;
}
#container .pagination-link {
  display: block;
  padding: 8px 12px;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  color: #606266;
  text-decoration: none;
}
#container .pagination-link.active {
  background-color: #409eff;
  color: white;
  border-color: #409eff;
}
#container .pagination-link.disabled {
  color: #c0c4cc;
  cursor: not-allowed;
}
#container .loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  display: none;
}
#container .loading-spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #3498db;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@media (max-width: 768px) {
  #container .filter-box {
    min-width: 100%;
  }
}
@media (max-width: 992px) {
  #container .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  #container .video-grid {
    grid-template-columns: 1fr;
  }
  #container .tab-container {
    flex-wrap: nowrap;
  }
  #container .tab-item {
    min-width: 120px;
  }
  #container .section-title h2 {
    font-size: 20px;
  }
}
@media (max-width: 68.75rem) {
  footer {
    transition: 0.3s;
    display: none;
  }
}