/* 报名续费：与全局 .content 同宽，区块样式对齐 .card */
    #view-enroll-renew {
      padding-bottom: 100px;
    }

    .er-section {
      margin: 0;
    }

    .er-section__inner {
      background: #fff;
      border-radius: 8px;
      padding: 20px 24px;
      margin-bottom: 16px;
      box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    }

    .er-section__head {
      margin-bottom: 16px;
    }

    .er-section__head--row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .er-enroll-method-btns {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .er-method-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      font-size: 14px;
      border: 1px solid var(--primary);
      border-radius: 6px;
      background: var(--primary);
      color: #fff;
      cursor: pointer;
      font-family: inherit;
      transition: opacity 0.2s, background 0.2s;
    }

    .er-method-btn:hover {
      opacity: 0.9;
    }

    .er-method-btn svg {
      flex-shrink: 0;
    }

    .er-section__sub--inline {
      margin: -8px 0 16px;
    }

    .er-label {
      display: block;
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 8px;
    }

    .er-section__title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 4px;
    }

    .er-section__sub {
      margin: 0;
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    .er-student-field .select-wrap {
      max-width: none;
    }

    .er-input-readonly,
    .er-input-readonly:focus {
      background: #fafafa;
      color: var(--text-secondary);
      cursor: default;
      border-color: #e8e8e8;
      box-shadow: none;
      max-width: none;
    }

    .er-field-error {
      font-size: 12px;
      color: #ff4d4f;
      margin: 8px 0 0;
      min-height: 18px;
      transition: opacity 0.2s;
    }

    .er-field-error.is-hidden {
      opacity: 0;
    }

    .er-tile-grid {
      display: grid;
      gap: 12px;
    }

    .er-tile-grid--2 {
      grid-template-columns: repeat(2, 1fr);
    }

    .er-tile-grid--single {
      grid-template-columns: 1fr;
    }

    @media (max-width: 640px) {
      .er-tile-grid--2 {
        grid-template-columns: 1fr;
      }
    }

    .er-tile {
      display: flex;
      flex-direction: row;
      align-items: center;
      gap: 14px;
      width: 100%;
      text-align: left;
      padding: 12px 16px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: #fafafa;
      cursor: pointer;
      font-family: inherit;
      transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    }

    .er-tile:hover {
      border-color: #91caff;
      background: #fff;
    }

    .er-tile:focus {
      outline: none;
      box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
    }

    .er-tile.is-selected {
      border-color: var(--primary);
      background: #e6f7ff;
      box-shadow: 0 0 0 1px var(--primary);
    }

    .er-tile--action {
      background: #fff;
    }

    .er-tile--action:hover {
      border-color: var(--primary);
      background: #f6fbff;
    }

    .er-tile--action:active {
      transform: scale(0.99);
    }

    .er-tile__icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .er-tile__icon--blue {
      background: #e6f7ff;
      color: #1890ff;
    }

    .er-tile__icon--purple {
      background: #f9f0ff;
      color: #722ed1;
    }

    .er-tile__icon--green {
      background: #f6ffed;
      color: #52c41a;
    }

    .er-tile__text {
      font-size: 14px;
      font-weight: 500;
      color: var(--text);
    }

    .er-tile__chev {
      margin-left: auto;
      color: var(--text-secondary);
      flex-shrink: 0;
      opacity: 0.5;
    }

    .er-float-bar {
      position: fixed;
      left: var(--sidebar-w);
      right: 0;
      bottom: 0;
      z-index: 40;
      padding: 12px 32px 20px;
      pointer-events: none;
      background: linear-gradient(180deg, rgba(245, 247, 250, 0) 0%, rgba(245, 247, 250, 0.9) 35%, var(--page-bg) 100%);
    }

    .er-float-bar__inner {
      pointer-events: auto;
      width: 100%;
      max-width: none;
      margin: 0;
      background: #fff;
      border-radius: 8px;
      box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
      padding: 14px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .er-float-bar__tip {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.4;
      flex: 1;
      min-width: 200px;
    }

    .form-item label {
      display: block;
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 8px;
    }

    .input,
    .select-wrap select {
      width: 100%;
      height: 36px;
      padding: 0 11px;
      border: 1px solid #d9d9d9;
      border-radius: 6px;
      font-size: 14px;
      color: var(--text);
      background: #fff;
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .input:focus,
    .select-wrap select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.15);
    }

    .input::placeholder {
      color: #bfbfbf;
    }

    .select-wrap {
      position: relative;
    }

    .select-wrap select {
      appearance: none;
      padding-right: 32px;
      cursor: pointer;
    }

    .select-wrap::after {
      content: "";
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      width: 0;
      height: 0;
      border-left: 4px solid transparent;
      border-right: 4px solid transparent;
      border-top: 5px solid #8c8c8c;
      pointer-events: none;
    }

    .filter-actions {
      display: flex;
      justify-content: flex-end;
      gap: 12px;
      padding-top: 4px;
    }

    .table-card__toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
    }

    .table-card__count {
      font-size: 14px;
      color: var(--text-secondary);
    }

    .table-card__count strong {
      color: var(--text);
      font-weight: 600;
    }

    .table-card__tools {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .icon-btn {
      width: 32px;
      height: 32px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: #fff;
      cursor: pointer;
      color: var(--text-secondary);
      transition: color 0.2s, border-color 0.2s;
    }

    .icon-btn:hover {
      color: var(--primary);
      border-color: var(--primary);
    }

    .table-scroll {
      overflow-x: auto;
      margin: 0 -4px;
    }

    .data-table {
      width: 100%;
      min-width: 1200px;
      border-collapse: collapse;
      font-size: 13px;
    }

    .data-table--class {
      min-width: 1180px;
    }

    .data-table th {
      text-align: left;
      padding: 12px 12px;
      font-weight: 600;
      color: var(--text);
      background: #fafafa;
      border-bottom: 1px solid var(--border);
      white-space: nowrap;
    }

    .data-table td {
      padding: 14px 12px;
      border-bottom: 1px solid var(--border);
      color: var(--text);
      vertical-align: middle;
    }

    .data-table tbody tr:hover {
      background: #fafafa;
    }

    .badge {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      line-height: 1.5;
    }

    .badge-blue {
      background: #e6f7ff;
      color: var(--primary);
      border: 1px solid #91d5ff;
    }

    .badge-green {
      background: #f6ffed;
      color: #52c41a;
      border: 1px solid #b7eb8f;
    }

    .badge-gray {
      background: #f5f5f5;
      color: var(--text-secondary);
      border: 1px solid var(--border);
    }

    .table-actions a {
      color: var(--primary);
      text-decoration: none;
      cursor: pointer;
      margin-right: 12px;
    }

    .table-actions a:hover {
      opacity: 0.85;
    }

    .table-actions a:last-child {
      margin-right: 0;
    }

    .btn-text-export {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      font-size: 14px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: #fff;
      cursor: pointer;
      color: var(--text);
      font-family: inherit;
    }

    .btn-text-export:hover {
      color: var(--primary);
      border-color: var(--primary);
    }

    /* 已选课程列表 */
    .er-courses-list {
      margin-top: 16px;
    }

    .er-courses-table-wrap {
      overflow-x: auto;
    }

    .er-courses-table {
      width: 100%;
      min-width: 1200px;
      border-collapse: collapse;
      font-size: 13px;
      border: 1px solid var(--border);
      border-radius: 8px;
    }

    .er-courses-table th {
      text-align: left;
      padding: 12px 12px;
      font-weight: 600;
      color: var(--text);
      background: #fafafa;
      border-bottom: 1px solid var(--border);
      white-space: nowrap;
    }

    .er-courses-table td {
      padding: 12px;
      border-bottom: 1px solid var(--border);
      color: var(--text);
      vertical-align: middle;
    }

    .er-courses-table tbody tr:last-child td {
      border-bottom: none;
    }

    .er-courses-table tbody tr:hover {
      background: #fafafa;
    }

    .er-courses-table .col-project {
      min-width: 180px;
    }

    .er-courses-table .col-pricing {
      min-width: 160px;
    }

    .er-courses-table .col-quantity {
      min-width: 120px;
    }

    .er-courses-table .col-total {
      min-width: 100px;
    }

    .er-courses-table .col-gift {
      min-width: 100px;
    }

    .er-courses-table .col-action {
      min-width: 80px;
      text-align: center;
    }

    /* 新报/续报下拉框 */
    .er-enroll-type-select {
      height: 24px;
      padding: 0 20px 0 6px;
      border: 1px solid #faad14;
      border-radius: 4px;
      font-size: 12px;
      color: #faad14;
      background: #fff;
      appearance: none;
      cursor: pointer;
      margin-left: 8px;
    }

    .er-enroll-type-select option {
      color: var(--text);
    }

    .er-course-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 500;
      flex-wrap: wrap;
    }

    .er-course-tag .badge {
      font-size: 11px;
      padding: 2px 6px;
    }

    /* 定价标准下拉框 */
    .er-pricing-select-wrap {
      min-width: 140px;
    }

    .er-pricing-select-wrap select {
      width: 100%;
      height: 32px;
      padding: 0 28px 0 11px;
      border: 1px solid #d9d9d9;
      border-radius: 6px;
      font-size: 13px;
      color: var(--text);
      background: #fff;
      appearance: none;
      cursor: pointer;
    }

    /* 数量输入框 */
    .er-quantity-input {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .er-quantity-input input {
      width: 60px;
      height: 32px;
      padding: 0 8px;
      border: 1px solid #d9d9d9;
      border-radius: 6px;
      font-size: 13px;
      text-align: center;
      color: var(--text);
      background: #fff;
    }

    .er-quantity-input span {
      color: var(--text-secondary);
      font-size: 13px;
    }

    /* 赠送数量输入 */
    .er-gift-input {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .er-gift-input input {
      width: 50px;
      height: 32px;
      padding: 0 8px;
      border: 1px solid #d9d9d9;
      border-radius: 6px;
      font-size: 13px;
      text-align: center;
      color: var(--text);
      background: #fff;
    }

    .er-gift-input span {
      color: var(--text-secondary);
      font-size: 13px;
    }

    /* 小计金额 */
    .er-subtotal {
      font-weight: 500;
      color: var(--text);
    }

    /* 删除按钮 */
    .er-course-delete {
      color: #ff4d4f;
      cursor: pointer;
      text-decoration: none;
      font-size: 13px;
    }

    .er-course-delete:hover {
      opacity: 0.85;
    }

    /* 班级选择按钮 */
    .er-class-select-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      height: 32px;
      border: 1px solid var(--primary);
      border-radius: 6px;
      background: #fff;
      color: var(--primary);
      font-size: 13px;
      cursor: pointer;
      font-family: inherit;
    }

    .er-class-select-btn:hover {
      background: #f6fbff;
    }

    /* 有效期行 */
    .er-validity-row {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 8px 12px;
      background: #fafafa;
      border-radius: 6px;
      margin-top: 8px;
    }

    .er-validity-label {
      color: var(--text-secondary);
      font-size: 13px;
      white-space: nowrap;
    }

    .er-validity-label .icon-info {
      color: #bfbfbf;
      margin-right: 4px;
    }

    .er-validity-select {
      width: 140px;
      height: 32px;
      padding: 0 28px 0 11px;
      border: 1px solid #d9d9d9;
      border-radius: 6px;
      font-size: 13px;
      color: var(--text);
      background: #fff;
      appearance: none;
      cursor: pointer;
    }

    .er-class-label {
      color: var(--text-secondary);
      font-size: 13px;
      margin-left: 24px;
    }

    /* 展开的课程详情行 */
    .er-course-details {
      background: #fafafa;
    }

    .er-course-details td {
      padding: 16px 12px;
    }