:root{--font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;--surface-page: #f5f5f7;--surface-card: #fff;--text-primary: #1d1d1f;--text-secondary: #6e6e73;--text-placeholder: #78787e;--accent: #0071e3;--accent-hover: #0077ed;--accent-soft: #eef5ff;--focus-ring: #0071e34d;--separator: #e5e5ea;--error: #b42318;--error-soft: #fff1f0;--radius-card: 24px;--radius-input: 12px;--radius-pill: 9999px;--shadow-card: 0 4px 12px rgb(0 0 0 / 4%);--ease-apple: cubic-bezier(.25, .1, .25, 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