:root{--bg:#f7f8f4;--surface:#fff;--ink:#19241f;--green:#214d3c;--muted:#626c64;--line:#dee4da;--sage:#e8efe5;--radius:24px;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.7}a{color:var(--green);text-underline-offset:4px}a:focus-visible{outline:3px solid #59846a;outline-offset:5px;border-radius:4px}img{max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.13;letter-spacing:-.045em}p+p{margin-top:12px}.wrap{width:min(1160px,calc(100% - 80px));margin-inline:auto}.skip-link{position:absolute;left:12px;top:-80px;background:var(--green);color:white;padding:12px;z-index:10}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid 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