:root{--bg:#0B0E14;--deep:#080A0F;--card:#12151C;--card2:#1A1E27;--hover:#232833;--text:#E2E6ED;--muted:#A8B0C0;--aux:#6B7385;--line:rgba(255,255,255,.10);--line-strong:rgba(120,160,220,.40);--shadow:0 16px 48px rgba(0,0,0,.65);--cold:0 12px 36px rgba(100,140,200,.12);--max:1280px;--nav:74px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.skip-link{position:fixed;left:12px;top:-80px;z-index:9999;background:#fff;color:#0B0E14;padding:10px 16px;border-radius:999px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:700;background:rgba(8,10,15,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.nav-shell{max-width:var(--max);height:var(--nav);margin:auto;padding:0 22px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand-logo{display:block;max-width:142px;max-height:38px;width:auto;height:auto;object-fit:contain}.brand-text{font-size:24px;font-weight:900;letter-spacing:-1px;color:#fff}.desktop-nav{display:flex;gap:6px;align-items:center;min-width:0}.desktop-nav a{padding:10px 12px;border-radius:999px;color:var(--muted);font-size:14px;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a:focus-visible,.desktop-nav a.is-current{color:#fff;background:rgba(255,255,255,.07)}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.text-button,.primary-mini{min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:transparent;color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;white-space:nowrap}.primary-mini{background:#fff;color:#0B0E14;border-color:#fff;font-weight:800}.icon-button{width:44px;height:44px;border:1px 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