:root{--bg-primary: #f5f7fa;--bg-secondary: #ffffff;--bg-card: #ffffff;--text-primary: #1a1a1a;--text-secondary: #666666;--text-muted: #999999;--accent: #4361ee;--accent-hover: #3a56d4;--danger: #ef5350;--success: #66bb6a;--border-color: #eef0f4}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;min-height:100vh;background-color:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}#app{width:100%;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d0d5dd;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#b0b5bd}