-- 二手车FAQ关联表
CREATE TABLE `used_car_faq` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT '主键ID',
  `car_id` bigint(20) unsigned NOT NULL COMMENT '关联used_car_detail.id',
  `question` varchar(500) NOT NULL COMMENT '问题',
  `answer` text NOT NULL COMMENT '答案',
  `sort` int(11) NOT NULL DEFAULT '0' COMMENT '排序',
  `status` tinyint(1) NOT NULL DEFAULT '1' COMMENT '状态:0=禁用,1=启用',
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,

  PRIMARY KEY (`id`),
  KEY `idx_car_id` (`car_id`),
  KEY `idx_status` (`status`),
  KEY `idx_sort` (`sort`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='二手车常见问题表';