:root{--brand: #2447c9;--brand-dark: #16307e;--brand-light: #eaf0ff;--text-main: #1f2937;--text-sub: #6b7280;--bg: #f5f7fb;--card: #ffffff;--line: #e5e7eb;--ok: #16a34a;--danger: #ef4444;--radius: 14px;--shadow: 0 4px 16px rgba(30, 94, 255, .08)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text-main);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}button{font-family:inherit;border:none;background:none;cursor:pointer}input{font-family:inherit}.page{min-height:100%;max-width:480px;margin:0 auto;padding:calc(env(safe-area-inset-top) + 24px) 20px calc(env(safe-area-inset-bottom) + 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#0003;transition:transform .2s}.pref-switch.on .pref-knob{transform:translate(20px)}.report-compliance{position:fixed;left:0;right:0;bottom:0;padding:10px 16px calc(env(safe-area-inset-bottom) + 10px);background:#f5f7fbeb;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);text-align:center;font-size:12px;color:var(--text-sub)}.report-compliance .landing-link{margin-left:4px;color:var(--brand)}.landing-footer{position:fixed;left:0;right:0;bottom:0;padding:10px 16px calc(env(safe-area-inset-bottom) + 10px);display:flex;justify-content:center;align-items:center;gap:8px;font-size:12px;color:var(--text-sub);background:linear-gradient(transparent,#f5f7fbe6)}.landing-link{color:var(--brand);text-decoration:none}.landing-link:active{opacity:.7}.privacy{padding:20px 16px calc(env(safe-area-inset-bottom) + 24px);max-width:640px;margin:0 auto}.privacy-head{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.privacy-head h1{font-size:20px;margin:8px 0 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