:root{--bg:#F6E7A8;--bg-deep:#E8D27A;--paper:#FFF8DC;--soft:#F3E6B0;--ink:#3A2E08;--text:#4A3C12;--muted:#7A6418;--sub:#9A8428;--deep:#8A6A12;--green:#5A7A38;--line:rgba(58,46,8,.16);--strong-line:rgba(138,106,18,.48);--shadow:0 12px 28px rgba(58,46,8,.08);--radius:10px}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}html.is-locked{overflow:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-60px;z-index:100;background:var(--ink);color:var(--bg);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.top-shell,.content-shell{width:min(960px,calc(100% - 32px));margin:0 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