/* ===================== 表格样式 ===================== */
    thead {
      background: var(--header-grad, #f0f0f0);
      color: #000000;
      text-align: center;
      vertical-align: middle;
    }
    th, td {
      padding: 10px 14px;
      border-right: 1px solid #ccc;
      border-bottom: 1px solid #ccc;
    }
    th:last-child, td:last-child {
      border-right: none;
    }
    tr:last-child td {
      border-bottom: none;
    }

    /* ===================== 配置面板样式 ===================== */
    .config-btn-toggle {
      background-color: #f0f0f0;
      color: #333;
      border: 1px solid #ccc;
      padding: 10px;
      width: 100%;
      border-radius: 8px;
      font-size: 15px;
      cursor: pointer;
      font-weight: bold;
      transition: all 0.3s;
    }
    .config-btn-toggle:hover {
      background-color: #e0e0e0;
    }
    .settings-panel {
      background: #fdfdfd;
      padding: 15px;
      border: 1px solid #eee;
      border-radius: 8px;
      margin-top: 15px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      display: none;
      text-align: left;
    }
    .settings-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 2px solid #eee;
      padding-bottom: 8px;
      margin-bottom: 12px;
    }
    .settings-header h3 {
      margin: 0;
      font-size: 16px;
    }
    .btn-back {
      background: #888;
      color: #fff;
      border: none;
      padding: 6px 14px;
      border-radius: 4px;
      cursor: pointer;
      font-weight: bold;
    }
    .btn-back:hover {
      background: #666;
    }
    .config-card {
      background: #fff;
      padding: 12px;
      border: 1px solid #e8e8e8;
      border-radius: 6px;
      margin-bottom: 12px;
    }
    .config-card input {
      width: calc(100% - 65px);
      padding: 6px 8px;
      border: 1px solid #ccc;
      border-radius: 4px;
      box-sizing: border-box;
    }
    .config-card textarea {
      width: 100%;
      padding: 8px;
      margin-top: 8px;
      border: 1px solid #ccc;
      border-radius: 4px;
      box-sizing: border-box;
      resize: vertical;
      font-family: inherit;
    }
    .btn-del {
      background: #ff4d4f;
      color: #fff;
      border: none;
      padding: 6px 12px;
      border-radius: 4px;
      cursor: pointer;
      float: right;
    }
    .settings-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 15px;
    }
    .btn-action {
      flex: 1;
      padding: 10px;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      color: #fff;
      font-weight: bold;
    }
    .btn-add { background: #52c41a; }
    .btn-reset { background: #faad14; }
    .hidden { display: none !important; }