:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.6;font-weight:400;--color-bg: #FBFAF8;--color-surface: #FFFFFF;--color-primary: #ADC39D;--color-primary-dark: #86A480;--color-accent: #D5BCA8;--color-accent-light: #F0F0D8;--color-border: #E8E5E0;--color-text: #3C3C3C;--color-text-light: #666666;--color-text-muted: #999999;--color-error: #E57373;--color-success: #81C784;--color-info: #5BC0DE;--shadow-sm: 0 2px 6px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--transition: all .25s cubic-bezier(.4, 0, .2, 1);color-scheme:light;color:var(--color-text);background:var(--color-bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:var(--color-primary);text-decoration:inherit}a:hover{color:var(--color-primary-dark)}body{margin:0;padding:0;min-width:320px;min-height:100vh;background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}h1{font-size:2.2rem;line-height:1.1;color:var(--color-primary-dark);margin:0;font-weight:600;letter-spacing:1px}h2{color:var(--color-primary-dark);margin:0;font-size:1.5rem;font-weight:500}h3{color:var(--color-text);margin:0;font-size:1.2rem;font-weight:500}button{border-radius:var(--radius-sm);border:1px solid var(--color-border);padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--color-accent-light);color:var(--color-text);cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-sm)}button:hover{background-color:var(--color-primary);color:#fff;border-color:var(--color-primary);transform:translateY(-1px);box-shadow:var(--shadow-md)}button:focus,button:focus-visible{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px #adc39d33}.btn-primary{background-color:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover{background-color:var(--color-primary-dark);border-color:var(--color-primary-dark)}.btn-secondary{background-color:var(--color-accent-light);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background-color:var(--color-primary);color:#fff;border-color:var(--color-primary)}button:disabled{background-color:#e0e0e0;color:#9e9e9e;cursor:not-allowed;transform:none;box-shadow:none}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}