:root{--bg:#F6F0E6;--deep:#EFE6D6;--content:#FFF9F0;--sub:#E8DCC8;--title:#2C2118;--text:#4A3828;--muted:#6E5744;--assist:#8A7360;--terracotta:#C47A3A;--sand:#C4A574;--olive:#6B7F4A;--brown:#5C3A21;--border:rgba(92,58,33,.16);--shadow:0 16px 42px rgba(44,33,24,.10);--head-h:126px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button,a{touch-action:manipulation}button{font:inherit}.shell{width:min(1240px,calc(100% - 32px));margin-inline:auto}.site-head{position:fixed;inset:0 0 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@media (max-width:390px){.shell{width:min(100% - 32px,1240px)}.drawer-open,.join-link{font-size:14px;padding:0 8px}.logo-fallback{font-size:16px}}