.upload-container[data-v-c031d2a6]{animation:fadeIn-c031d2a6 .6s ease-out}@keyframes fadeIn-c031d2a6{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.feature-card[data-v-c031d2a6]{background:white;border-radius:24px;padding:48px;box-shadow:0 20px 60px #0000001a;margin-bottom:40px}.card-header[data-v-c031d2a6]{display:flex;align-items:center;gap:24px;margin-bottom:32px;padding-bottom:32px;border-bottom:2px solid #f0f0f0}.header-icon[data-v-c031d2a6]{width:80px;height:80px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:20px;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 8px 24px #667eea4d}.header-text h1[data-v-c031d2a6]{font-size:32px;font-weight:700;color:#1a1a1a;margin-bottom:8px}.header-text p[data-v-c031d2a6]{font-size:16px;color:#666;line-height:1.6}.mode-selector[data-v-c031d2a6]{margin-bottom:32px}.mode-options[data-v-c031d2a6]{display:flex;gap:16px;justify-content:flex-start}.mode-item[data-v-c031d2a6]{display:flex;align-items:center;gap:10px;padding:16px 24px;border:2px solid #e0e0e0;border-radius:12px;cursor:pointer;transition:all .3s;color:#666}.mode-item[data-v-c031d2a6]:hover{border-color:#667eea;color:#667eea}.mode-item.active[data-v-c031d2a6]{border-color:#667eea;background:linear-gradient(135deg,rgba(102,126,234,.1) 0%,rgba(118,75,162,.1) 100%);color:#667eea}.mode-item svg[data-v-c031d2a6]{flex-shrink:0}.mode-item span[data-v-c031d2a6]{font-size:16px;font-weight:500}.upload-area[data-v-c031d2a6]{margin-bottom:32px}.upload-layout[data-v-c031d2a6]{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:32px}.upload-section[data-v-c031d2a6]{display:flex;flex-direction:column}.section-title[data-v-c031d2a6]{font-size:18px;font-weight:600;color:#333;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid #f0f0f0;display:flex;align-items:center;gap:10px}.file-count-badge[data-v-c031d2a6]{font-size:13px;color:#667eea;background:rgba(102,126,234,.1);padding:2px 10px;border-radius:12px;font-weight:500}.upload-area[data-v-c031d2a6]{flex:1;display:flex;align-items:center;justify-content:center;margin-bottom:24px}.files-section[data-v-c031d2a6]{display:flex;flex-direction:column}.file-list-section[data-v-c031d2a6]{flex:1;background:#fafafa;border-radius:16px;padding:16px;overflow-y:auto;max-height:600px}.file-list-section[data-v-c031d2a6]::-webkit-scrollbar{width:6px}.file-list-section[data-v-c031d2a6]::-webkit-scrollbar-track{background:#f0f0f0;border-radius:3px}.file-list-section[data-v-c031d2a6]::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.file-list-section[data-v-c031d2a6]::-webkit-scrollbar-thumb:hover{background:#aaa}.empty-files[data-v-c031d2a6]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:#ccc}.empty-files svg[data-v-c031d2a6]{margin-bottom:12px}.empty-files p[data-v-c031d2a6]{font-size:14px;color:#999}.upload-content[data-v-c031d2a6]{padding:60px 40px;text-align:center}.upload-icon[data-v-c031d2a6]{margin-bottom:24px;color:#667eea}.upload-text h3[data-v-c031d2a6]{font-size:24px;font-weight:600;color:#1a1a1a;margin-bottom:8px}.upload-text p[data-v-c031d2a6]{font-size:16px;color:#888;margin-bottom:16px}.upload-tip[data-v-c031d2a6]{font-size:14px;color:#999;background:#f5f5f5;padding:8px 16px;border-radius:20px;display:inline-block}.action-section[data-v-c031d2a6]{display:flex;gap:16px;justify-content:center}.progress-section[data-v-c031d2a6]{margin-top:20px;padding:16px;background:#f8f9fa;border-radius:12px}.upload-progress[data-v-c031d2a6]{margin-bottom:8px}.progress-text[data-v-c031d2a6]{font-size:14px;color:#666;text-align:center;display:block}.primary-btn[data-v-c031d2a6]{padding:16px 48px;font-size:18px;border-radius:12px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;box-shadow:0 4px 16px #667eea66;transition:all .3s ease}.primary-btn[data-v-c031d2a6]:hover{transform:translateY(-2px);box-shadow:0 6px 24px #667eea80}.secondary-btn[data-v-c031d2a6]{padding:16px 32px;font-size:16px;border-radius:12px;border:2px solid #e0e0e0;color:#666;background:white}.secondary-btn[data-v-c031d2a6]:hover{border-color:#667eea;color:#667eea}.merge-tip[data-v-c031d2a6]{text-align:center;color:#f5576c;font-size:14px;margin-top:12px}.result-section[data-v-c031d2a6]{margin-top:40px;padding:32px;background:linear-gradient(135deg,#f5f7fa 0%,#f0f4ff 100%);border-radius:16px;border:2px solid #e0e0e0}.result-header[data-v-c031d2a6]{display:flex;align-items:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.success-icon[data-v-c031d2a6]{font-size:32px}.result-header h3[data-v-c031d2a6]{font-size:24px;font-weight:600;color:#1a1a1a}.result-info[data-v-c031d2a6]{font-size:14px;color:#667eea;background:white;padding:4px 12px;border-radius:20px;margin-left:8px}.preview-section[data-v-c031d2a6]{margin-top:32px}.preview-title[data-v-c031d2a6]{font-size:18px;font-weight:600;color:#333;margin-bottom:20px}.file-list-section[data-v-c031d2a6]{margin-bottom:32px}.file-list-title[data-v-c031d2a6]{font-size:18px;font-weight:600;color:#333;margin-bottom:16px}.file-list[data-v-c031d2a6]{background:#fafafa;border-radius:12px;padding:16px}.file-item[data-v-c031d2a6]{display:flex;align-items:flex-start;gap:16px;padding:12px;background:white;border-radius:10px;margin-bottom:8px;transition:all .2s}.file-item[data-v-c031d2a6]:last-child{margin-bottom:0}.file-item[data-v-c031d2a6]:hover{box-shadow:0 2px 8px #00000014}.file-order[data-v-c031d2a6]{width:32px;height:32px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:600;flex-shrink:0;margin-top:4px}.file-main[data-v-c031d2a6]{flex:1;min-width:0}.file-info-row[data-v-c031d2a6]{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}.file-icon[data-v-c031d2a6]{flex-shrink:0;color:#667eea}.file-name[data-v-c031d2a6]{font-size:14px;font-weight:500;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0}.file-size[data-v-c031d2a6]{font-size:12px;color:#999;flex-shrink:0}.page-count-badge[data-v-c031d2a6]{font-size:12px;color:#667eea;background:rgba(102,126,234,.1);padding:2px 8px;border-radius:10px;flex-shrink:0}.page-count-loading[data-v-c031d2a6]{font-size:12px;color:#999;flex-shrink:0}.page-range-section[data-v-c031d2a6]{margin-top:8px;padding:10px 12px;background:#f8f9fa;border-radius:8px}.page-range-header[data-v-c031d2a6]{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}.range-label[data-v-c031d2a6]{font-size:13px;color:#666;font-weight:600}.range-tip[data-v-c031d2a6]{font-size:12px;color:#999}.add-range-btn[data-v-c031d2a6]{display:flex;align-items:center;gap:4px;padding:4px 10px;background:#667eea;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:12px;margin-left:auto;transition:all .2s}.add-range-btn[data-v-c031d2a6]:hover{background:#5a6fd6}.page-range-list[data-v-c031d2a6]{display:flex;flex-direction:column;gap:8px}.range-item[data-v-c031d2a6]{display:flex;align-items:center;gap:8px}.range-input-num[data-v-c031d2a6]{width:90px}.range-separator[data-v-c031d2a6]{font-size:13px;color:#666}.range-page-label[data-v-c031d2a6]{font-size:13px;color:#999}.remove-range-btn[data-v-c031d2a6]{width:24px;height:24px;background:#fff0f0;color:#f5576c;border:none;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.remove-range-btn[data-v-c031d2a6]:hover{background:#f5576c;color:#fff}.range-error[data-v-c031d2a6]{font-size:12px;color:#f5576c;margin-top:6px}.file-actions[data-v-c031d2a6]{display:flex;gap:8px;flex-shrink:0;margin-top:4px}.move-btn[data-v-c031d2a6],.remove-btn[data-v-c031d2a6]{width:32px;height:32px;border:none;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.move-btn[data-v-c031d2a6]{background:#f0f0f0;color:#666}.move-btn[data-v-c031d2a6]:hover:not(:disabled){background:#667eea;color:#fff}.move-btn[data-v-c031d2a6]:disabled{opacity:.3;cursor:not-allowed}.remove-btn[data-v-c031d2a6]{background:#fff0f0;color:#f5576c}.remove-btn[data-v-c031d2a6]:hover{background:#f5576c;color:#fff}.merged-result[data-v-c031d2a6]{display:flex;justify-content:center}.merged-pdf-item[data-v-c031d2a6]{display:flex;gap:24px;background:white;border-radius:16px;padding:24px;box-shadow:0 4px 16px #00000014;max-width:600px;width:100%}.merged-pdf-wrapper[data-v-c031d2a6]{width:120px;height:160px;background:#f5f5f5;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.merged-pdf-placeholder[data-v-c031d2a6]{color:#999}.merged-pdf-info[data-v-c031d2a6]{flex:1;display:flex;flex-direction:column;gap:8px}.merged-pdf-name[data-v-c031d2a6]{font-size:18px;font-weight:600;color:#1a1a1a}.merged-source-files[data-v-c031d2a6]{font-size:13px;color:#888;line-height:1.5}.download-btn[data-v-c031d2a6]{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border-radius:10px;font-size:14px;margin-top:auto}.fade-enter-active[data-v-c031d2a6],.fade-leave-active[data-v-c031d2a6]{transition:opacity .3s ease,transform .3s ease}.fade-enter-from[data-v-c031d2a6],.fade-leave-to[data-v-c031d2a6]{opacity:0;transform:translateY(-10px)}@media (max-width: 768px){.feature-card[data-v-c031d2a6]{padding:24px;border-radius:16px}.card-header[data-v-c031d2a6]{flex-direction:column;text-align:center;gap:16px}.header-text h1[data-v-c031d2a6]{font-size:24px}.mode-options[data-v-c031d2a6]{flex-direction:column}.upload-layout[data-v-c031d2a6]{grid-template-columns:1fr}.file-list-section[data-v-c031d2a6]{max-height:400px}.upload-content[data-v-c031d2a6]{padding:40px 20px}.action-section[data-v-c031d2a6]{flex-direction:column}.primary-btn[data-v-c031d2a6],.secondary-btn[data-v-c031d2a6]{width:100%}.merged-pdf-item[data-v-c031d2a6]{flex-direction:column;align-items:center;text-align:center}}