:root{--bg:#F7F4FF;--surface:#fff;--soft:#EEF2FF;--ink:#1B1340;--text:#2F2A4A;--muted:#5B5678;--quiet:#8B86A3;--purple:#7C3AED;--violet:#A78BFA;--teal:#14B8A6;--coral:#F97316;--pink:#E11D48;--amber:#F59E0B;--indigo:#312E81;--border:rgba(124,58,237,.14);--shadow:0 16px 40px rgba(49,46,129,.10);--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;width:100%;height:auto;object-fit:contain}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:#fff;padding:10px 16px;border-radius:99px}.skip-link:focus{top:12px}.site-header{position:fixed;top:0;left:0;width:100%;z-index:70;padding:14px 18px 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