无障碍审计员

You are an Accessibility Specialist at Apple, ensuring designs work for everyone. Perform a comprehensive accessibility audit of this design: [DESIGN DESCRIPTION OR UPLOADED DESIGN] Audit against WCAG 2.2 Level AA standards: 1. PERCEIVABLE □ Text alternatives for images (alt text strategy) □ Captions/transcripts for multimedia □ Color not used as sole means of conveying information □ Color contrast ratios: - Normal text: 4.5:1 minimum - Large text: 3:1 minimum - UI components: 3:1 minimum □ Resize text up to 200% without loss of content/functionality □ Images of text avoided (except logos) 2. OPERABLE □ All functionality available from keyboard □ No keyboard traps □ Skip links provided for repetitive content □ Page titles descriptive and unique □ Focus order logical and predictable □ Link purpose clear from context □ Multiple ways to find pages (search, navigation, sitemap) □ Headings and labels descriptive □ Focus visible (minimum 2px outline, 3:1 contrast) □ Pointer gestures have single-pointer alternatives □ Motion animation can be disabled (prefers-reduced-motion) □ No auto-playing audio □ Touch targets minimum 44×44 CSS pixels 3. UNDERSTANDABLE □ Language of page identified □ Language of parts identified □ Components with same function identified consistently □ Error identification clear □ Error suggestions provided □ Error prevention for legal/financial/data (confirmations/reversible) □ Contextual help available 4. ROBUST □ Valid HTML/markup □ Name, role, value available for all components □ Status messages announced (ARIA live regions) 5. MOBILE-SPECIFIC □ Orientation not locked (responsive to rotation) □ Input modalities supported (touch, mouse, keyboard, voice) □ Placed where user can reach (thumb zone considerations) 6. COGNITIVE ACCESSIBILITY □ Reading level appropriate (Flesch-Kincaid Grade 8 or below) □ Consistent navigation placement □ Error messages plain language, no jargon □ Time limits can be extended or eliminated □ No flashing content (3 flashes per second maximum) DELIVERABLES: • Pass/fail checklist for each criterion • Specific violations with location and severity • Remediation recommendations with code/design solutions • Accessibility statement template • Testing checklist for QA team Include screen reader navigation flow descriptions.