:root{color-scheme:light dark;--bg:#f1fbf5;--ink:#052c24;--secondary:#53675e;--line:#cadacf;--link:#155d43}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.85 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--link);text-underline-offset:4px;overflow-wrap:anywhere}a:hover{opacity:.8}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--link);outline-offset:4px}header,main,footer{max-width:900px;margin:auto;padding:24px 32px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.brand{font-weight:700;font-size:20px;text-decoration:none}nav{display:flex;gap:8px 22px;flex-wrap:wrap}nav a{font-size:15px;min-height:44px;display:inline-flex;align-items:center}nav a[aria-current]{font-weight:700;text-decoration-thickness:2px}main{padding-top:40px;padding-bottom:64px}h1{font-size:clamp(30px,5vw,44px);letter-spacing:-.03em;line-height:1.35;margin:0 0 20px}h2{font-size:21px;line-height:1.5;margin:0 0 12px}p{margin:0}.intro{color:var(--secondary);margin-bottom:36px}section+section{margin-top:36px}aside{display:flex;gap:12px 24px;flex-wrap:wrap;margin-top:36px}.contact{margin-top:24px}footer{font-size:14px;color:var(--secondary);padding-bottom:40px}.skip{position:absolute;left:16px;top:-80px;padding:8px 16px;background:var(--bg)}.skip:focus{top:8px}@media(max-width:600px){header,main,footer{padding-left:22px;padding-right:22px}header{align-items:flex-start;flex-direction:column;gap:8px}nav{gap:4px 20px}main{padding-top:28px}}@media(prefers-color-scheme:dark){:root{--bg:#102b21;--ink:#e4f2e5;--secondary:#afc5b8;--link:#b8dfc8}}