:root{--bg:#F7F4FF;--surface:#fff;--soft:#EEF2FF;--ink:#1B1340;--text:#2F2A4A;--muted:#5B5678;--subtle:#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)}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}img{display:block;max-width:100%;height:auto}.modal-open{overflow:hidden}.floating-header{position:fixed;z-index:50;top:0;left:0;right:0;padding:12px 18px;pointer-events:none}.brandbar{pointer-events:auto;max-width:1080px;height:64px;margin:auto;padding:7px 10px;display:grid;grid-template-columns:46px 1fr auto 1fr 46px;align-items:center;gap:8px;background:rgba(255,255,255,.90);border:1px solid rgba(124,58,237,.12);border-radius:32px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.round-action{width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--ink);cursor:pointer;display:grid;place-items:center}.menu-trigger{gap:4px;padding:12px}.menu-trigger span{width:16px;height:2px;background:var(--indigo);border-radius:2px;display:block}.desktop-nav{display:flex;gap:5px;align-items:center;min-width:0}.nav-left{justify-content:flex-end}.nav-right{justify-content:flex-start}.nav-pill{min-height:42px;padding:8px 13px;border-radius:999px;white-space:nowrap;color:var(--muted);font-size:14px;border:1px solid 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