:root{--bg:#FFF9EC;--card:#fff;--pale:#F7EBCB;--yellow:#E9B92F;--green:#6A8247;--heading:#302718;--ink:#514637;--muted:#746651;--line:#E7DCC4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.78 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;overflow-wrap:anywhere}button,a{font:inherit}a{color:#415b28;text-underline-offset:4px;text-decoration-thickness:1px}a:hover{color:#302718}a:focus-visible,button:focus-visible{outline:3px solid #6A8247;outline-offset:3px;border-radius:4px}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}button{cursor:pointer}.wrap{width:min(1160px,calc(100% - 40px));margin-inline:auto;min-width:0}.site-header{background:#fffdf6;border-bottom:1px solid 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