* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
    body { background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%); color: #333; line-height: 1.6; padding: 20px; min-height: 100vh; }
    .container { max-width: 1400px; margin: 0 auto; background: white; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,.1); overflow: hidden; }
    header { background: #4a69bd; color: white; padding: 25px 30px; text-align: center; }
    header h1 { font-size: 2.2rem; margin-bottom: 10px; }
    header p { opacity: 0.9; font-size: 1.05rem; }
    .main-content { display: flex; flex-wrap: wrap; padding: 20px; gap: 20px; }
    .section { flex: 1 1 100%; background: #f8f9fa; border-radius: 10px; padding: 20px; margin-bottom: 20px; }
    .section h3 { color: #4a69bd; margin-bottom: 15px; padding-bottom: 10px; display: flex; align-items: center; gap: 10px; }

    .upload-section { background: #f8f9fa; border-radius: 10px; text-align: center; border: 2px dashed #4a69bd; transition: all .3s ease;}
    .upload-section:hover { background: #eef2f7; border-color: #2c5aa0; }
    .upload-section.dragover { background: #eef2f7; border-color: #2c5aa0; box-shadow: inset 0 0 0 2px rgba(44,90,160,.12); }
    .upload-area { padding: 30px; }
    .upload-area i { font-size: 3rem; margin-bottom: 15px; display: block; }
    .file-input { display: none; }
    .btn { background: #4a69bd; color: white; border: none; padding: 12px 25px; border-radius: 6px; cursor: pointer; font-size: 1rem; font-weight: 600; transition: all .3s ease; display: inline-block; margin: 10px; }
    .btn:hover { background: #2c5aa0; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,.1); }
    .btn:active { transform: translateY(0); }
    .btn.secondary { background: #6c757d; }
    .btn.secondary:hover { background: #5a6268; }
    .btn.danger { background: #e74c3c; }
    .btn.danger:hover { background: #c0392b; }
    .btn.small { padding: 6px 12px; font-size: 0.85rem; margin: 2px; }

    .output-section { display: flex; flex-wrap: wrap; gap: 20px; }
    .output-box { flex: 1 1 calc(50% - 20px); min-width: 300px; background: white; border-radius: 10px; overflow: hidden; box-shadow: 0 5px 15px rgba(0,0,0,.05); display: flex; flex-direction: column; }
    .output-box.full { flex: 1 1 100%; }
    .box-header { background: #4a69bd; color: white; padding: 15px 20px; font-weight: 600; font-size: 1.1rem; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
    .box-header .icon { font-size: 1.3rem; }
    .box-content { padding: 20px; flex: 1; overflow: auto; max-height: 520px; }
    textarea { width: 100%; height: 100%; min-height: 320px; padding: 15px; border: 1px solid #ddd; border-radius: 6px; font-family: 'Consolas','Courier New', monospace; font-size: .95rem; resize: vertical; background: #fafafa; }
    .preview-content { line-height: 1.8; font-size: 1.05rem; padding: 10px; background: #fafafa; border-radius: 6px; border: 1px solid #eee; min-height: 320px; max-width: 100%; word-wrap: break-word; overflow-wrap: break-word; word-break: break-word; overflow-x: auto; }
    .preview-content h1, .preview-content h2, .preview-content h3, .preview-content h4 { color: #4a69bd; margin: 15px 0 10px; display: block; }
    .preview-content p { margin: 10px 0; }
    .preview-content strong { color: #2c5aa0; }
    .preview-content em { color: #6c757d; }
    .preview-content ul, .preview-content ol { margin: 10px 0 10px 25px; }
    .preview-content blockquote { border-left: 4px solid #4a69bd; padding: 5px 15px; margin: 15px 0; background: #f0f4f8; color: #444; }
    .preview-content code { background: #2d2d2d; color: #f8f8f2; padding: 2px 6px; border-radius: 4px; font-family: 'Consolas', monospace; }
    .preview-content pre { background: #2d2d2d; color: #f8f8f2; padding: 15px; border-radius: 6px; overflow: auto; margin: 15px 0; }
    .preview-content pre code { background: none; padding: 0; }
    .preview-content a { color: #4a69bd; text-decoration: none; }
    .preview-content a:hover { text-decoration: underline; }

    .translation-panel { display: flex; flex-direction: column; gap: 10px; max-height: 600px; overflow-y: auto; padding-right: 5px; }
    .translation-panel::-webkit-scrollbar { width: 8px; }
    .translation-panel::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 4px; }
    .translation-panel::-webkit-scrollbar-thumb { background: #888; border-radius: 4px; }
    .translation-panel::-webkit-scrollbar-thumb:hover { background: #555; }
    .block-item { background: white; border: 1px solid #ddd; border-radius: 8px; padding: 15px; margin-bottom: 10px; transition: border-color .2s; cursor: pointer; }
    .block-item:hover { border-color: #4a69bd; }
    .block-item.expanded { border-color: #2c5aa0; background: #f8fbff; }
    .block-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; font-weight: 600; color: #2c5aa0; }
    .block-type { background: #eef2f7; padding: 2px 8px; border-radius: 4px; font-size: 0.9rem; }
    .block-type { cursor: pointer; }
    .block-type-select { padding: 2px 6px; border-radius: 4px; border: 1px solid #ccc; font-size: 0.9rem; background: #fff; }
    .block-content-preview { font-size: 0.9rem; color: #666; line-height: 1.5; max-height: 3em; overflow: hidden; }
    .block-content-preview .preview-translated { color: #333; font-weight: 500; display: block; }
    .block-content-preview .preview-source { color: #999; font-size: 0.85rem; display: block; margin-top: 2px; }
    .block-edit-area { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
    .block-edit-area textarea { min-height: 80px; font-size: 0.9rem; }
    .block-edit-area label { font-weight: 600; color: #555; font-size: 0.9rem; display: block; margin-bottom: 4px; }
    .block-actions { margin-top: 8px; display: flex; gap: 5px; flex-wrap: wrap; }
    .block-edit-area ul, .block-edit-area ol { margin: 0; padding: 0; list-style: none; }
    .block-edit-area li { display: flex; gap: 5px; margin-bottom: 5px; }
    .block-edit-area li input { flex: 1; padding: 8px; border: 1px solid #ccc; border-radius: 4px; }

    .module-manager { display: flex; flex-wrap: wrap; gap: 20px; }
    .module-col { flex: 1; min-width: 300px; background: white; border-radius: 8px; padding: 15px; border: 1px solid #eee; }
    .module-item { background: #f8f9fa; border-radius: 6px; padding: 10px; margin-bottom: 10px; border: 1px solid #e0e0e0; }
    .module-item h4 { margin: 0 0 8px 0; color: #4a69bd; font-size: 1rem; }
    .module-item input[type="text"], .module-item textarea { width: 100%; margin-bottom: 8px; padding: 8px; border: 1px solid #ccc; border-radius: 4px; }
    .module-item textarea { min-height: 60px; font-family: 'Consolas', monospace; font-size: 0.9rem; }
    .module-controls { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
    .module-controls label { display: flex; align-items: center; gap: 5px; font-size: 0.9rem; cursor: pointer; }
    .module-controls select { padding: 4px 8px; border-radius: 4px; border: 1px solid #ccc; }
    .module-controls .btn { margin: 0; }
    .module-default { border-left: 3px solid #4a69bd; }

    /* 紧凑型模块样式 */
    .module-compact { display: flex; align-items: center; gap: 10px; padding: 8px 12px; }
    .module-compact .module-checkbox { display: flex; align-items: center; gap: 6px; margin: 0; cursor: pointer; flex: 1; }
    .module-compact .module-checkbox input[type="checkbox"] { margin: 0; cursor: pointer; }
    .module-compact .module-checkbox span { font-size: 0.95rem; color: #333; user-select: none; }

    /* 固定模块样式（不可取消勾选） */
    .module-fixed { opacity: 0.7; cursor: not-allowed !important; }
    .module-fixed input[type="checkbox"] { cursor: not-allowed !important; }
    .module-fixed span { color: #666; font-weight: 600; }

    /* 位置切换按钮 */
    .module-position-toggle {
      padding: 4px 12px;
      border: none;
      border-radius: 4px;
      font-size: 0.85rem;
      cursor: pointer;
      transition: all 0.2s ease;
      font-weight: 500;
      min-width: 50px;
    }
    .module-position-toggle.position-end {
      background-color: #d4e6f1;
      color: #2874a6;
    }
    .module-position-toggle.position-end:hover {
      background-color: #aed6f1;
    }
    .module-position-toggle.position-start {
      background-color: #d5f4e6;
      color: #1e8449;
    }
    .module-position-toggle.position-start:hover {
      background-color: #a9dfbf;
    }
    .module-position-toggle:active {
      transform: scale(0.95);
    }

    .status-bar { background: #f8f9fa; padding: 10px 20px; border-top: 1px solid #eee; font-size: .9rem; color: #6c757d; text-align: center; }
    .footer { text-align: center; padding: 20px; color: #6c757d; font-size: .9rem; border-top: 1px solid #eee; background: #f8f9fa; }
    .highlight { color: #e74c3c; font-weight: 600; }

    .example-json { background: #2d2d2d; color: #f8f8f2; padding: 15px; border-radius: 6px; font-family: 'Consolas', monospace; font-size: 0.9rem; overflow: auto; max-height: 240px; }
    .example-json pre { margin: 0; padding: 0; background: none; color: inherit; font-family: inherit; white-space: pre-wrap; word-wrap: break-word; }

    .header-actions { display: inline-flex; align-items: center; gap: 10px; }
    .copy-btn { border: 1px solid rgba(255,255,255,.65); background: rgba(255,255,255,.15); color: #fff; padding: 6px 10px; border-radius: 10px; font-size: 0.9rem; cursor: pointer; transition: transform .05s ease, background .2s ease, border-color .2s ease; user-select: none; }
    .copy-btn:hover { background: rgba(255,255,255,.25); border-color: rgba(255,255,255,.9); }
    .copy-btn:active { transform: translateY(1px); }
    .copy-btn.copied { background: rgba(46, 204, 113, .25); border-color: rgba(46, 204, 113, .75); }

    @media (max-width: 900px) {
      .output-box { flex: 1 1 100%; }
      .main-content { padding: 15px; }
      header { padding: 20px 15px; }
    }

    @media (max-width: 768px) {
      body { padding: 10px; font-size: 14px; }
      .container { border-radius: 8px; }

      header h1 { font-size: 1.5rem; margin-bottom: 8px; }
      header p { font-size: 0.9rem; }

      .main-content { padding: 10px; gap: 15px; }
      .section { padding: 15px; margin-bottom: 15px; }
      .section h3 { font-size: 1.1rem; margin-bottom: 12px; padding-bottom: 8px; }

      .upload-area { padding: 20px; }
      .upload-area i { font-size: 2rem; margin-bottom: 10px; }
      .upload-area p { font-size: 0.9rem; }

      .btn { padding: 10px 18px; font-size: 0.9rem; margin: 5px; }
      .btn.small { padding: 5px 10px; font-size: 0.8rem; }

      .translation-panel { max-height: 400px; gap: 8px; }
      .block-item { padding: 12px; margin-bottom: 8px; }
      .block-header { font-size: 0.9rem; margin-bottom: 6px; flex-wrap: wrap; gap: 5px; }
      .block-type { font-size: 0.8rem; padding: 2px 6px; }
      .block-content-preview { font-size: 0.85rem; max-height: 4em; }
      .block-content-preview .preview-translated { font-size: 0.85rem; }
      .block-content-preview .preview-source { font-size: 0.75rem; }

      .block-edit-area { grid-template-columns: 1fr; gap: 8px; }
      .block-edit-area textarea { min-height: 60px; font-size: 0.85rem; }
      .block-edit-area label { font-size: 0.85rem; }
      .block-actions { gap: 4px; }

      .module-manager { gap: 15px; }
      .module-col { padding: 12px; }
      .module-item { padding: 8px; margin-bottom: 8px; }
      .module-item h4 { font-size: 0.9rem; margin-bottom: 6px; }
      .module-item input[type="text"], .module-item textarea { padding: 6px; font-size: 0.85rem; margin-bottom: 6px; }
      .module-item textarea { min-height: 50px; }
      .module-controls { gap: 8px; font-size: 0.85rem; }

      .output-section { gap: 15px; }
      .output-box { min-width: 100%; }
      .box-header { padding: 12px 15px; font-size: 1rem; }
      .box-header .icon { font-size: 1.1rem; }
      .box-content { padding: 15px; max-height: 400px; }
      textarea { min-height: 250px; padding: 12px; font-size: 0.85rem; }
      .preview-content { font-size: 0.95rem; min-height: 250px; padding: 8px; }
      .preview-content h1, .preview-content h2, .preview-content h3, .preview-content h4 { margin: 12px 0 8px; font-size: 1.1rem; }
      .preview-content p { margin: 8px 0; }
      .preview-content ul, .preview-content ol { margin: 8px 0 8px 20px; }
      .preview-content blockquote { padding: 4px 12px; margin: 12px 0; }
      .preview-content pre { padding: 12px; margin: 12px 0; font-size: 0.8rem; }

      .copy-btn { padding: 5px 8px; font-size: 0.8rem; }
      .header-actions { gap: 8px; }

      .status-bar { padding: 8px 15px; font-size: 0.85rem; }
      .footer { padding: 15px; font-size: 0.85rem; }

      .example-section p { font-size: 0.9rem; }
      .example-json { padding: 10px; font-size: 0.75rem; max-height: 180px; }
      .example-json pre { font-size: 0.75rem; line-height: 1.4; }
    }

    @media (max-width: 480px) {
      body { padding: 5px; font-size: 13px; }
      .container { border-radius: 6px; }

      header { padding: 15px 10px; }
      header h1 { font-size: 1.3rem; }
      header p { font-size: 0.85rem; }

      .main-content { padding: 8px; gap: 12px; }
      .section { padding: 12px; margin-bottom: 12px; }
      .section h3 { font-size: 1rem; margin-bottom: 10px; gap: 8px; }

      .upload-area { padding: 15px; }
      .upload-area i { font-size: 1.8rem; }

      .btn { padding: 8px 15px; font-size: 0.85rem; margin: 4px; }
      .btn.small { padding: 4px 8px; font-size: 0.75rem; }

      .translation-panel { max-height: 350px; }
      .block-item { padding: 10px; }
      .block-header { font-size: 0.85rem; }
      .block-content-preview { font-size: 0.8rem; }

      .block-edit-area textarea { min-height: 50px; font-size: 0.8rem; }

      .module-item h4 { font-size: 0.85rem; }
      .module-item input[type="text"], .module-item textarea { font-size: 0.8rem; }

      .box-header { padding: 10px 12px; font-size: 0.95rem; }
      .box-content { padding: 12px; max-height: 350px; }
      textarea { min-height: 200px; font-size: 0.8rem; }
      .preview-content { font-size: 0.9rem; min-height: 200px; }

      .copy-btn { padding: 4px 6px; font-size: 0.75rem; }

      .status-bar { padding: 6px 10px; font-size: 0.8rem; }
      .footer { padding: 12px; font-size: 0.8rem; }

      .example-section p { font-size: 0.85rem; }
      .example-json { padding: 8px; font-size: 0.7rem; max-height: 150px; }
      .example-json pre { font-size: 0.7rem; line-height: 1.3; }
    }