:root{--bg1: #eef6f5;--bg2: #e7f0f8;--surface: #ffffff;--surface-2: #f4f9f9;--accent: #2f9e93;--accent-strong: #248a80;--accent-soft: #e0f1ee;--text: #22383a;--muted: #7b9195;--line: #e4edec;--tip-bg: #fff7e8;--tip-border: #f2c976;--tip-text: #8a6212;--danger: #dd6161;--radius: 18px;--shadow: 0 6px 20px rgba(45, 90, 90, .08)}*{box-sizing:border-box}html,body,#root{height:100%}html,body,#root,.screen{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}img{-webkit-user-drag:none;user-drag:none;pointer-events:none}.key-input{-webkit-user-select:text;user-select:text}body{margin:0;font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;color:var(--text);background:linear-gradient(160deg,var(--bg1),var(--bg2));-webkit-font-smoothing:antialiased}.screen{max-width:480px;margin:0 auto;height:100dvh;display:flex;flex-direction:column;padding:0 16px}.screen.center{justify-content:center;align-items:center}.scroll-body{flex:1;overflow-y:auto;padding:8px 0 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