CREATE TABLE `banners` (
  `id` int unsigned NOT NULL AUTO_INCREMENT,
  `title` varchar(255) NOT NULL,
  `subtitle` varchar(255) DEFAULT NULL,
  `image_url` varchar(512) NOT NULL,
  `link_url` varchar(512) DEFAULT NULL,
  `link_label` varchar(120) DEFAULT NULL,
  `is_active` tinyint NOT NULL DEFAULT '1',
  `sort_order` int unsigned NOT NULL DEFAULT '0',
  `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `banners_active_sort_idx` (`is_active`, `sort_order`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;