*{box-sizing:border-box;margin:0;padding:0}body,html{max-width:100vw;overflow-x:hidden;background:#f5f7fa}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}