:root { color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; background: #f8f8f2; color: #202c28; font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; line-height: 1.8; overflow-wrap: anywhere; }
.wrap { width: min(800px, calc(100% - 40px)); margin-inline: auto; }
main { padding-block: clamp(64px, 12vw, 120px); }
h1 { margin: 0 0 24px; font-size: clamp(28px, 6vw, 48px); line-height: 1.4; }
p { margin: 0; color: #59685e; font-size: 18px; }
footer { padding-block: 24px; font-size: 12px; }
[hidden] { display: none !important; }