
:root{--bg:#F4EDE3;--paper:#FFF8F0;--soft:#E8DCCB;--dark:#2F241A;--title:#2A2118;--text:#3A3128;--muted:#6A5C4E;--brown:#8B5A2B;--orange:#C46A3A;--deep:#5C3A1E;--green:#3D5C3A;--line:#D6C5B1}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78}body.locked{overflow:hidden}a{color:inherit}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}.wrap{width:min(1160px,calc(100% - 48px));margin:auto}.skip{position:absolute;left:-9999px;top:10px}.skip:focus{left:16px;z-index:999;background:#fff;padding:10px}.site-header{position:sticky;top:0;z-index:50;background:var(--paper);box-shadow:0 1px 0 rgba(60,40,20,.08)}.brandbar{min-height:68px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.brand img,.footer-brand 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