*{box-sizing:border-box}body{margin:0;background:#fff8ee;color:#302f29;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:17px;line-height:1.85}a{color:#2e6250;text-underline-offset:4px}header,main,footer{width:min(840px,100%);margin:auto;padding:24px}header{display:flex;align-items:center;gap:16px;padding-top:40px}header img{width:60px;height:60px;border-radius:15px}header strong{display:block;font-size:23px}header small{color:#756c62}nav{margin-bottom:20px;display:flex;flex-wrap:wrap;gap:24px}h1{font-size:clamp(30px,5vw,40px);line-height:1.3;margin:12px 0 8px}h2{font-size:21px;margin:0 0 10px;color:#285544}section{background:#fffdf7;border:1px solid #eee4d7;border-radius:18px;padding:24px;margin:18px 0}p{margin:0;overflow-wrap:anywhere}.muted{color:#756c62}footer{font-size:14px;padding-bottom:40px}a:focus-visible{outline:3px solid #c74430;outline-offset:4px}@media(max-width:480px){header,main,footer{padding:20px}section{padding:20px}}@media(prefers-color-scheme:dark){body{background:#252823;color:#f7f0e4}section{background:#30342d;border-color:#45483f}h2,a{color:#a6d1b6}.muted,header small{color:#c2bbae}}