:root{--bg-main: #FFFFFF;--bg-secondary: #F8F8F8;--text-main: #000000;--text-body: #1A1A1A;--text-sub: #666666;--border-main: #E5E5E5;--border-focus: #000000;--accent: #000000}body{font-family:Inter,Noto Sans SC,-apple-system,sans-serif;background-color:var(--bg-main);color:var(--text-body);margin:0;padding:0;-webkit-font-smoothing:antialiased;overflow-x:hidden}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#999}input[type=range]{-webkit-appearance:none;background:transparent}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none}input[type=range]:focus{outline:none}.transition-smooth{transition:all .3s cubic-bezier(.25,.1,.25,1)}