:root{color:#18211f;background:#eef2f0;font-family:Inter,Microsoft YaHei,PingFang SC,Noto Sans CJK SC,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #18211f;--muted: #65716d;--line: #d7dfdc;--surface: #ffffff;--canvas: #eef2f0;--teal: #0d766a;--teal-dark: #095f56;--danger: #b33b3b;--success: #24744f;--shadow: 0 10px 30px rgba(24, 33, 31, .07);--field-height: 48px}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--canvas);color:var(--ink);-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:rgba(13,118,106,.12)}button,input,textarea{font-family:inherit;font-size:16px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}h1,h2,h3,p{margin:0}svg{flex:none}.auth-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:24px 18px calc(24px + env(safe-area-inset-bottom));background:radial-gradient(120% 70% at 50% -10%,rgba(13,118,106,.16),transparent 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