*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5;color:#333;background:#f8f8ff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{min-height:100vh}.index-page[data-v-c6b293ab]{min-height:100vh;background:#f8f8ff}.header[data-v-c6b293ab]{padding:60px 24px 24px;background:linear-gradient(135deg,#e6e6fa,#dcd0ff);text-align:center}.header-title[data-v-c6b293ab]{font-size:28px;font-weight:700;color:#9370db;margin-bottom:8px}.header-subtitle[data-v-c6b293ab]{font-size:16px;color:#666}.menu-list[data-v-c6b293ab]{padding:16px}.menu-card[data-v-c6b293ab]{display:flex;align-items:center;padding:16px;margin-bottom:12px;background:#fff;border-radius:12px;box-shadow:0 2px 8px #9370db26;cursor:pointer;transition:all .3s ease}.menu-card[data-v-c6b293ab]:active{transform:scale(.98);box-shadow:0 1px 4px #9370db26}.menu-card[data-v-c6b293ab]:last-child{margin-bottom:0}.menu-icon[data-v-c6b293ab]{width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:24px;background:#e6e6fa;border-radius:8px;margin-right:12px}.menu-info[data-v-c6b293ab]{flex:1}.menu-title[data-v-c6b293ab]{font-size:18px;font-weight:500;color:#333;margin-bottom:4px}.menu-desc[data-v-c6b293ab]{font-size:14px;color:#666}.menu-arrow[data-v-c6b293ab]{font-size:24px;color:#999}.nav-bar[data-v-9b4d09c7]{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;height:44px;padding:0 16px;background:#fff;border-bottom:1px solid #E0E0E0;z-index:100}.nav-bar-left[data-v-9b4d09c7]{width:60px;display:flex;align-items:center;cursor:pointer}.nav-bar-title[data-v-9b4d09c7]{flex:1;text-align:center;font-size:18px;font-weight:500;color:#333}.nav-bar-right[data-v-9b4d09c7]{width:60px;display:flex;align-items:center;justify-content:flex-end}.back-arrow[data-v-9b4d09c7]{font-size:24px;color:#9370db}.select-address[data-v-f3700270]{min-height:100vh;background:#f8f8ff}.content[data-v-f3700270]{padding-top:44px}.search-box[data-v-f3700270]{padding:16px;background:#fff;border-bottom:1px solid #E0E0E0}.search-input[data-v-f3700270]{width:100%;height:36px;padding:0 12px;font-size:16px;background:#f8f8ff;border:1px solid #E0E0E0;border-radius:8px;outline:none;box-sizing:border-box}.search-input[data-v-f3700270]:focus{border-color:#9370db}.search-input[data-v-f3700270]::placeholder{color:#999}.address-list[data-v-f3700270]{padding:12px 16px}.address-item[data-v-f3700270]{display:flex;align-items:center;padding:12px;margin-bottom:8px;background:#fff;border-radius:8px;cursor:pointer;transition:all .3s ease}.address-item[data-v-f3700270]:active{background:#e6e6fa}.address-icon[data-v-f3700270]{font-size:20px;margin-right:12px}.address-info[data-v-f3700270]{flex:1}.address-name[data-v-f3700270]{font-size:16px;font-weight:500;color:#333;margin-bottom:4px}.address-detail[data-v-f3700270]{font-size:14px;color:#666}.address-check[data-v-f3700270]{width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;background:#e0e0e0;border-radius:50%}.address-check.active[data-v-f3700270]{background:#9370db}.data-center[data-v-eb18b970]{min-height:100vh;background:#f8f8ff}.header-bar[data-v-eb18b970]{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid #E0E0E0}.header-left[data-v-eb18b970]{display:flex;align-items:center}.back-btn[data-v-eb18b970]{font-size:18px;margin-right:12px;cursor:pointer;color:#333}.page-title[data-v-eb18b970]{font-size:18px;font-weight:600;color:#333}.subject-section[data-v-eb18b970]{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid #E0E0E0}.subject-tabs[data-v-eb18b970]{display:flex;gap:12px}.subject-tab[data-v-eb18b970]{padding:8px 12px;font-size:16px;color:#666;cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap}.subject-tab.active[data-v-eb18b970]{color:#9370db;border-bottom-color:#9370db;font-weight:500}.header-right[data-v-eb18b970]{display:flex;align-items:center}.download-record[data-v-eb18b970]{display:flex;align-items:center;padding:4px 12px;background:#f8f8ff;border-radius:12px;cursor:pointer}.download-record .download-icon[data-v-eb18b970]{font-size:14px;margin-right:4px}.download-record .download-text[data-v-eb18b970]{font-size:12px;color:#666}.grade-select[data-v-eb18b970]{display:flex;align-items:center;font-size:14px;color:#333;cursor:pointer}.grade-select .arrow[data-v-eb18b970]{margin-left:4px;font-size:10px;color:#999}.grade-overlay[data-v-eb18b970]{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:100;animation:fadeIn-eb18b970 .3s ease}.grade-drawer[data-v-eb18b970]{position:absolute;bottom:0;left:0;right:0;background:#fff;border-radius:16px 16px 0 0;animation:slideUp-eb18b970 .3s ease}.drawer-header[data-v-eb18b970]{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #E0E0E0}.drawer-title[data-v-eb18b970]{font-size:16px;font-weight:600;color:#333}.drawer-close[data-v-eb18b970]{font-size:20px;color:#666;cursor:pointer;padding:4px}.drawer-content[data-v-eb18b970]{padding:12px 16px;max-height:50vh;overflow-y:auto}.grade-option[data-v-eb18b970]{padding:8px 12px;margin-bottom:4px;font-size:16px;color:#333;background:#f8f8ff;border-radius:8px;cursor:pointer;text-align:center}.grade-option.active[data-v-eb18b970]{background:#9370db;color:#fff}.grade-option[data-v-eb18b970]:last-child{margin-bottom:0}@keyframes fadeIn-eb18b970{0%{opacity:0}to{opacity:1}}@keyframes slideUp-eb18b970{0%{transform:translateY(100%)}to{transform:translateY(0)}}.category-section[data-v-eb18b970]{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid #E0E0E0}.category-tags-container[data-v-eb18b970]{flex:1;overflow-x:auto;overflow-y:hidden;margin-right:12px;-webkit-overflow-scrolling:touch;cursor:grab}.category-tags-container[data-v-eb18b970]:active{cursor:grabbing}.category-tags-container[data-v-eb18b970]::-webkit-scrollbar{display:none}.category-tags-container[data-v-eb18b970]::-webkit-scrollbar-thumb{background:transparent}.category-tags[data-v-eb18b970]{display:flex;gap:8px;padding-bottom:4px;min-width:min-content}.category-tag[data-v-eb18b970]{padding:4px 12px;font-size:14px;color:#666;background:#f8f8ff;border-radius:12px;cursor:pointer;white-space:nowrap}.category-tag.active[data-v-eb18b970]{background:#9370db;color:#fff}.free-only[data-v-eb18b970]{white-space:nowrap}.checkbox-label[data-v-eb18b970]{display:flex;align-items:center;cursor:pointer}.checkbox-label input[type=checkbox][data-v-eb18b970]{margin-right:4px}.checkbox-label .checkbox-text[data-v-eb18b970]{font-size:14px;color:#333}.data-list[data-v-eb18b970]{padding:12px 16px 80px}.data-item[data-v-eb18b970]{display:flex;align-items:center;padding:12px;margin-bottom:8px;background:#fff;border-radius:8px}.data-thumb[data-v-eb18b970]{width:48px;height:48px;display:flex;align-items:center;justify-content:center;margin-right:12px;background:#e6e6fa;border-radius:8px}.thumb-icon[data-v-eb18b970]{font-size:24px}.data-content[data-v-eb18b970]{flex:1}.data-header[data-v-eb18b970]{margin-bottom:4px}.data-title[data-v-eb18b970]{font-size:16px;font-weight:500;color:#333}.data-meta[data-v-eb18b970]{display:flex;align-items:center;gap:12px}.download-count[data-v-eb18b970]{font-size:12px;color:#999}.category-label[data-v-eb18b970]{font-size:12px;color:#9370db}.data-action[data-v-eb18b970]{margin-left:12px}.download-btn-container[data-v-eb18b970]{position:relative;cursor:pointer}.download-btn[data-v-eb18b970]{padding:8px 12px;font-size:14px;color:#fff;background:#9370db;border:none;border-radius:8px;cursor:pointer}.vip-badge[data-v-eb18b970]{position:absolute;top:-8px;right:-8px;padding:2px 6px;font-size:10px;color:#333;background:gold;border-radius:2px;white-space:nowrap}.empty-tip[data-v-eb18b970]{text-align:center;padding:24px;color:#999;font-size:16px}.data-detail[data-v-a43153eb]{min-height:100vh;background:#f8f8ff;padding-bottom:80px}.header-bar[data-v-a43153eb]{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid #E0E0E0}.header-left[data-v-a43153eb]{display:flex;align-items:center;flex:1}.back-btn[data-v-a43153eb]{font-size:18px;margin-right:12px;cursor:pointer;color:#333}.page-title[data-v-a43153eb]{font-size:16px;font-weight:600;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-right[data-v-a43153eb]{display:flex;align-items:center}.feedback-btn[data-v-a43153eb]{padding:4px;cursor:pointer}.feedback-icon[data-v-a43153eb]{font-size:20px}.content[data-v-a43153eb]{padding:0}.preview-section[data-v-a43153eb]{margin-bottom:0}.preview-image[data-v-a43153eb]{position:relative;width:100%;height:550px;border-radius:0;overflow:hidden;display:flex;align-items:center;justify-content:center}.preview-image.green[data-v-a43153eb]{background:linear-gradient(135deg,#4caf50,#2e7d32)}.preview-image.blue[data-v-a43153eb]{background:linear-gradient(135deg,#2196f3,#1565c0)}.preview-image.orange[data-v-a43153eb]{background:linear-gradient(135deg,#ff9800,#ef6c00)}.preview-image.purple[data-v-a43153eb]{background:linear-gradient(135deg,#9c27b0,#6a1b9a)}.preview-image.pink[data-v-a43153eb]{background:linear-gradient(135deg,#e91e63,#c2185b)}.preview-image.cyan[data-v-a43153eb]{background:linear-gradient(135deg,#00bcd4,#0097a7)}.preview-image.gray[data-v-a43153eb]{background:linear-gradient(135deg,#9e9e9e,#616161)}.preview-content[data-v-a43153eb]{display:flex;flex-direction:column;align-items:center;color:#fff}.preview-icon[data-v-a43153eb]{font-size:48px;margin-bottom:8px}.preview-text[data-v-a43153eb]{font-size:16px;font-weight:500}.vip-overlay[data-v-a43153eb]{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000b3;color:#fff}.vip-lock[data-v-a43153eb]{font-size:48px;margin-bottom:12px}.vip-text[data-v-a43153eb]{font-size:16px;margin-bottom:16px}.vip-open-btn[data-v-a43153eb]{padding:8px 16px;font-size:16px;color:#fff;background:gold;border:none;border-radius:8px;cursor:pointer}.bottom-actions[data-v-a43153eb]{position:fixed;bottom:0;left:0;right:0;display:flex;gap:12px;padding:12px 16px;background:#fff;border-top:1px solid #E0E0E0}.action-item[data-v-a43153eb]{flex:1}.action-btn-container[data-v-a43153eb]{position:relative;display:flex;justify-content:center}.action-btn[data-v-a43153eb]{width:100%;padding:12px;font-size:16px;color:#fff;background:#666;border:none;border-radius:8px;cursor:pointer}.action-btn.primary[data-v-a43153eb]{background:#9370db}.vip-badge[data-v-a43153eb]{position:absolute;top:-8px;right:-8px;padding:2px 6px;font-size:10px;color:#333;background:gold;border-radius:2px;white-space:nowrap}.download-record[data-v-8397ba47]{min-height:100vh;background:#f8f8ff}.header-bar[data-v-8397ba47]{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid #E0E0E0}.header-left[data-v-8397ba47],.header-right[data-v-8397ba47]{display:flex;align-items:center}.back-btn[data-v-8397ba47]{font-size:18px;margin-right:12px;cursor:pointer;color:#333}.page-title[data-v-8397ba47]{font-size:18px;font-weight:600;color:#333}.manage-btn[data-v-8397ba47]{font-size:16px;color:#9370db;cursor:pointer;padding:8px}.subject-section[data-v-8397ba47]{display:flex;align-items:center;justify-content:center;padding:12px 16px;background:#fff;border-bottom:1px solid #E0E0E0}.subject-tabs[data-v-8397ba47]{display:flex;gap:12px}.subject-tab[data-v-8397ba47]{padding:8px 12px;font-size:16px;color:#666;cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap}.subject-tab.active[data-v-8397ba47]{color:#9370db;border-bottom-color:#9370db;font-weight:500}.download-list[data-v-8397ba47]{padding:12px 16px}.batch-delete-bar[data-v-8397ba47]{position:fixed;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-top:1px solid #E0E0E0;box-shadow:0 -2px 8px #0000001a;z-index:100}.selected-count[data-v-8397ba47]{font-size:16px;color:#333}.batch-delete-btn[data-v-8397ba47]{padding:8px 12px;font-size:14px;color:#fff;background:#e53e3e;border:none;border-radius:8px;cursor:pointer}.download-item[data-v-8397ba47]{display:flex;align-items:center;padding:12px;margin-bottom:8px;background:#fff;border-radius:8px;transition:all .2s ease}.download-item.selected[data-v-8397ba47]{background:#4299e11a;border:1px solid #4299e1}.item-checkbox[data-v-8397ba47]{margin-right:12px}.item-checkbox input[type=checkbox][data-v-8397ba47]{width:16px;height:16px;cursor:pointer}.item-thumb[data-v-8397ba47]{width:48px;height:48px;display:flex;align-items:center;justify-content:center;margin-right:12px;background:#e6e6fa;border-radius:8px}.thumb-icon[data-v-8397ba47]{font-size:24px}.item-content[data-v-8397ba47]{flex:1}.item-title[data-v-8397ba47]{font-size:16px;font-weight:500;color:#333;margin-bottom:4px}.item-meta[data-v-8397ba47]{display:flex;align-items:center;gap:12px;margin-bottom:4px}.download-time[data-v-8397ba47]{font-size:12px;color:#999}.item-size[data-v-8397ba47]{font-size:12px;color:#666}.item-category[data-v-8397ba47]{font-size:12px;color:#9370db}.item-action[data-v-8397ba47]{margin-left:12px}.action-btn[data-v-8397ba47]{padding:8px 12px;font-size:14px;color:#fff;background:#9370db;border:none;border-radius:8px;cursor:pointer}.empty-tip[data-v-8397ba47]{text-align:center;padding:24px;color:#999;font-size:16px}.special-index[data-v-141aa7be]{min-height:100vh;background:#f8f8ff}.header-bar[data-v-141aa7be]{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid #E0E0E0}.header-bar .header-left[data-v-141aa7be]{display:flex;align-items:center}.header-bar .back-btn[data-v-141aa7be]{font-size:24px;margin-right:12px;cursor:pointer}.header-bar .page-title[data-v-141aa7be]{font-size:18px;font-weight:500}.special-list[data-v-141aa7be]{padding:16px}.special-card[data-v-141aa7be]{background:#fff;border-radius:12px;overflow:hidden;margin-bottom:12px;box-shadow:0 2px 8px #9370db26;cursor:pointer}.special-card[data-v-141aa7be]:active{transform:scale(.98)}.card-cover[data-v-141aa7be]{width:100%;height:160px;background:linear-gradient(135deg,#e6e6fa,#dcd0ff);display:flex;align-items:center;justify-content:center}.card-cover img[data-v-141aa7be]{width:100%;height:100%;object-fit:cover}.card-cover .cover-placeholder[data-v-141aa7be]{font-size:48px}.card-info[data-v-141aa7be]{padding:12px 16px}.card-title[data-v-141aa7be]{font-size:18px;font-weight:500;color:#333;margin-bottom:4px}.card-meta[data-v-141aa7be]{display:flex;align-items:center;gap:12px}.lesson-count[data-v-141aa7be]{font-size:14px;color:#666}.video-lesson[data-v-e9ff1e64]{width:100%}.video-container[data-v-e9ff1e64]{width:100%;background:#000;border-radius:8px;overflow:hidden;margin-bottom:12px}.video-player[data-v-e9ff1e64]{width:100%;display:block}.video-placeholder[data-v-e9ff1e64]{width:100%;height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2)}.video-placeholder .play-icon[data-v-e9ff1e64]{font-size:48px;color:#fff;margin-bottom:12px}.video-placeholder .placeholder-text[data-v-e9ff1e64]{font-size:16px;color:#fff}.video-info .info-title[data-v-e9ff1e64]{font-size:18px;font-weight:500;color:#333}.practice-box[data-v-c4d3106e]{min-height:400px;display:flex;flex-direction:column}.practice-header[data-v-c4d3106e]{display:flex;justify-content:flex-end;margin-bottom:16px}.practice-header .question-counter[data-v-c4d3106e]{font-size:14px;color:#666}.question-content[data-v-c4d3106e]{flex:1;margin-bottom:16px}.question-text[data-v-c4d3106e]{font-size:18px;font-weight:500;color:#333;margin-bottom:16px;line-height:1.6}.options-list[data-v-c4d3106e]{display:flex;flex-direction:column;gap:12px}.option-item[data-v-c4d3106e]{display:flex;align-items:center;padding:12px 16px;background:#fff;border:2px solid #E0E0E0;border-radius:8px;cursor:pointer;transition:all .3s ease}.option-item[data-v-c4d3106e]:hover{border-color:#e6e6fa}.option-item.selected[data-v-c4d3106e]{border-color:#e6e6fa;background:#e6e6fa1a}.option-item .option-mark[data-v-c4d3106e]{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#f8f8ff;border-radius:50%;margin-right:12px;font-weight:500}.option-item.selected .option-mark[data-v-c4d3106e]{background:#e6e6fa;color:#fff}.option-item .option-text[data-v-c4d3106e]{flex:1;font-size:16px;color:#333}.fill-input .input-field[data-v-c4d3106e]{width:100%;padding:12px;border:2px solid #E0E0E0;border-radius:8px;font-size:16px}.fill-input .input-field[data-v-c4d3106e]:focus{outline:none;border-color:#e6e6fa}.practice-footer[data-v-c4d3106e]{display:flex;justify-content:center;gap:12px;padding-top:16px;border-top:1px solid #E0E0E0}.nav-btn[data-v-c4d3106e]{padding:12px 24px;border-radius:8px;font-size:16px;cursor:pointer;transition:all .3s ease}.nav-btn.prev-btn[data-v-c4d3106e]{background:#fff;border:2px solid #E0E0E0;color:#333}.nav-btn.next-btn[data-v-c4d3106e],.nav-btn.submit-btn[data-v-c4d3106e]{background:#e6e6fa;border:2px solid #E6E6FA;color:#fff}.nav-btn[data-v-c4d3106e]:active{transform:scale(.98)}.markdown-view[data-v-130a9a37]{padding:12px;background:#fff;border-radius:8px}.markdown-content[data-v-130a9a37]{line-height:1.8;color:#333}.markdown-content[data-v-130a9a37] h1{font-size:24px;font-weight:600;margin:16px 0 12px;padding-bottom:12px;border-bottom:1px solid #E0E0E0}.markdown-content[data-v-130a9a37] h2{font-size:20px;font-weight:600;margin:16px 0 12px}.markdown-content[data-v-130a9a37] h3{font-size:18px;font-weight:500;margin:12px 0}.markdown-content[data-v-130a9a37] p{margin-bottom:12px}.markdown-content[data-v-130a9a37] strong{font-weight:600;color:#333}.markdown-content[data-v-130a9a37] em{font-style:italic}.exam-preview[data-v-b9363055]{background:#fff;border-radius:8px;padding:12px}.preview-header[data-v-b9363055]{padding-bottom:12px;border-bottom:1px solid #E0E0E0;margin-bottom:12px}.preview-header .exam-title[data-v-b9363055]{font-size:20px;font-weight:600;color:#333;margin-bottom:4px}.preview-header .exam-meta[data-v-b9363055]{display:flex;gap:16px;font-size:14px;color:#666}.preview-body .question-list[data-v-b9363055]{display:flex;flex-direction:column;gap:12px}.question-item[data-v-b9363055]{padding:12px;background:#f8f8ff;border-radius:8px}.question-item .question-header[data-v-b9363055]{display:flex;align-items:center;gap:4px;margin-bottom:4px}.question-item .question-num[data-v-b9363055]{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:#e6e6fa;color:#fff;border-radius:50%;font-size:14px;font-weight:500}.question-item .question-score[data-v-b9363055]{font-size:14px;color:#666}.question-item .question-text[data-v-b9363055]{font-size:16px;color:#333;line-height:1.6;white-space:pre-wrap}.question-item .question-options[data-v-b9363055]{margin-top:4px;padding-left:16px}.question-item .option-line[data-v-b9363055]{line-height:1.8;color:#333}.preview-footer[data-v-b9363055]{display:flex;justify-content:center;gap:12px;padding-top:12px;border-top:1px solid #E0E0E0;margin-top:12px}.action-btn[data-v-b9363055]{display:flex;align-items:center;gap:4px;padding:12px 16px;border-radius:8px;font-size:16px;cursor:pointer;transition:all .3s ease}.action-btn.print-btn[data-v-b9363055]{background:#fff;border:2px solid #E0E0E0;color:#333}.action-btn.download-btn[data-v-b9363055]{background:#e6e6fa;border:2px solid #E6E6FA;color:#fff}.action-btn[data-v-b9363055]:active{transform:scale(.98)}@media print{.preview-footer[data-v-b9363055]{display:none}}.special-detail[data-v-9685aa00]{min-height:100vh;background:#f8f8ff}.header-bar[data-v-9685aa00]{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid #E0E0E0;position:sticky;top:0;z-index:100}.header-bar .header-left[data-v-9685aa00]{display:flex;align-items:center;flex:1}.header-bar .back-btn[data-v-9685aa00]{font-size:24px;margin-right:12px;cursor:pointer}.header-bar .page-title[data-v-9685aa00]{font-size:18px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-bar .header-right .catalog-btn[data-v-9685aa00]{display:flex;align-items:center;gap:4px;cursor:pointer;font-size:14px}.content-wrapper[data-v-9685aa00]{padding:16px}.lesson-header[data-v-9685aa00]{margin-bottom:16px}.lesson-title[data-v-9685aa00]{font-size:20px;font-weight:500;color:#333}.children-list[data-v-9685aa00]{margin-top:16px}.child-card[data-v-9685aa00]{background:#fff;border-radius:12px;padding:16px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;box-shadow:0 2px 8px #9370db26}.child-card.active[data-v-9685aa00]{border:2px solid #E6E6FA}.child-card[data-v-9685aa00]:active{transform:scale(.98)}.child-info[data-v-9685aa00]{flex:1}.child-title[data-v-9685aa00]{font-size:16px;font-weight:500;color:#333}.catalog-overlay[data-v-9685aa00]{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:200}.catalog-drawer[data-v-9685aa00]{position:absolute;top:0;right:0;width:85%;max-width:360px;height:100%;background:#fff;overflow-y:auto}.drawer-header[data-v-9685aa00]{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #E0E0E0;position:sticky;top:0;background:#fff}.lesson-item[data-v-9685aa00]{margin-bottom:8px;border-radius:8px;overflow:hidden}.lesson-title-row[data-v-9685aa00]{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#f8f8ff;cursor:pointer}.lesson-title-row .lesson-name[data-v-9685aa00]{font-size:16px;font-weight:500}.lesson-title-row .expand-icon[data-v-9685aa00]{font-size:12px;color:#666}.children-drawer[data-v-9685aa00]{background:#fff}.child-item[data-v-9685aa00]{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid #E0E0E0;cursor:pointer}.child-item[data-v-9685aa00]:last-child{border-bottom:none}.child-item.active[data-v-9685aa00]{background:#e6e6fa1a}.child-item[data-v-9685aa00]:active{background:#e6e6fa26}.child-left[data-v-9685aa00]{display:flex;align-items:center;gap:8px}.child-left .type-icon[data-v-9685aa00]{font-size:16px}.child-left .type-name[data-v-9685aa00]{font-size:14px;color:#333}.drawer-header[data-v-9685aa00]{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #E0E0E0}.drawer-header .drawer-title[data-v-9685aa00]{font-size:18px;font-weight:500}.drawer-header .drawer-close[data-v-9685aa00]{font-size:20px;cursor:pointer}.drawer-content[data-v-9685aa00]{padding:12px}.lesson-item[data-v-9685aa00]{padding:12px;border-radius:8px;margin-bottom:8px;background:#f8f8ff;cursor:pointer}.lesson-item.active[data-v-9685aa00]{background:#e6e6fa}.lesson-item[data-v-9685aa00]:active{transform:scale(.98)}.lesson-name[data-v-9685aa00]{font-size:16px;font-weight:500;margin-bottom:4px}.lesson-resources[data-v-9685aa00]{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:4px}.resource-tag[data-v-9685aa00]{font-size:12px;padding:2px 6px;border-radius:4px;background:#fff}.resource-tag.video[data-v-9685aa00]{color:#e74c3c}.resource-tag.practice[data-v-9685aa00]{color:#3498db}.resource-tag.content[data-v-9685aa00]{color:#27ae60}.resource-tag.exam[data-v-9685aa00]{color:#9b59b6}.lesson-status .status-badge[data-v-9685aa00]{font-size:12px;padding:2px 8px;border-radius:4px}.lesson-status .status-badge.completed[data-v-9685aa00]{background:#d4edda;color:#155724}.lesson-status .status-badge.in_progress[data-v-9685aa00]{background:#fff3cd;color:#856404}.lesson-status .status-badge.partial[data-v-9685aa00]{background:#cce5ff;color:#004085}.lesson-status .status-badge.not_started[data-v-9685aa00]{background:#e2e3e5;color:#383d41}