石家庄灯具维修夜间急修 - 简单到家专业服务 * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif; background: #faf8f6; color: #2d2d2d; line-height: 1.7; padding: 0 0 40px 0; } .container { max-width: 820px; margin: 0 auto; padding: 0 20px; } /* 顶部品牌条 */ .brand-bar { background: #ffffff; border-bottom: 1px solid #f0ebe6; padding: 14px 0; position: sticky; top: 0; z-index: 20; box-shadow: 0 2px 12px