html{scroll-behavior:smooth;background:var(--paper);overflow-x:hidden}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.72;background:radial-gradient(circle at 80% 0,#e3efff 0,transparent 28rem),var(--paper);overflow-x:hidden}