* { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif; background: #f7f9fc; color: #1a2634; line-height: 1.7; padding: 20px 16px; } .container { max-width: 820px; margin: 0 auto; background: #ffffff; border-radius: 20px; padding: 40px 32px; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05); } .breadcrumb { font-size: 14px; color: #6b7a8f; margin-bottom: 24px; display: flex; flex