:root{--font-inter:"Inter Variable";--font-jetbrains-mono:"JetBrains Mono Variable";--font-noto-sans-sc:"Noto Sans SC Variable";color-scheme:light;font-family:var(--font-noto-sans-sc),"PingFang SC","Microsoft YaHei",system-ui,sans-serif}*{box-sizing:border-box}body{background:#f8f5ee;color:#20272b;margin:0}main{display:grid;grid-gap:1rem;gap:1rem;margin:0 auto;max-width:72rem;padding:2rem 1rem}h1,h2,h3,h4{line-height:1.25}