.navbar{background:var(--bg-navbar);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-1);z-index:100;justify-content:space-between;align-items:center;padding:14px 24px;display:flex;position:sticky;top:0}.nav-brand{color:var(--text-1);align-items:center;gap:8px;font-size:16px;font-weight:700;text-decoration:none;display:flex}.brand-text{flex-direction:column;line-height:1.15;display:flex}.brand-sub{letter-spacing:.28em;color:var(--brand-sub);font-size:9px;font-weight:600}.nav-right{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:12px;display:flex}.lang-select{background:var(--bg-input);border:1px solid var(--border-3);color:var(--text-3);font-size:var(--fs-md);cursor:pointer;border-radius:6px;padding:5px 8px}.nav-link{font-size:var(--fs-md);color:var(--text-3);transition:color .2s}.nav-link:hover{color:var(--text-1)}.nav-btn{border:1px solid var(--border-3);color:var(--text-3);font-size:var(--fs-md);cursor:pointer;background:0 0;border-radius:6px;padding:5px 12px}.nav-btn:hover{border-color:var(--border-focus);color:var(--text-1)}.main-content{max-width:1200px;margin:0 auto;padding:24px 20px}@media (width<=600px){.main-content{padding:16px 12px}.nav-right{gap:8px}}:root{--bg-body:#0a0a0a;--panel-a:#101010;--panel-b:#0c0c0c;--bg-card:#111;--bg-input:#1a1a1a;--border-1:#1a1a1a;--border-2:#222;--border-3:#333;--border-focus:#555;--text-1:#f0f0f0;--text-2:#c8c8c8;--text-3:#9a9a9a;--text-4:#8a8a8a;--text-5:#676767;--fs-xs:11px;--fs-sm:12px;--fs-md:13px;--fs-lg:14px;--fs-xl:18px;--font-sans:Arial, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-num:Arial, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;--green:#4ade80;--green-bg:#173a24;--green-border:#1f4a2c;--yellow:#facc15;--yellow-bg:#2a2a1a;--yellow-border:#4a4215;--orange:#fb923c;--orange-bg:#2a1c10;--orange-border:#5a3a1c;--glow-orange:#fb923c33;--red:#f87171;--red-bg:#3a1717;--red-border:#4a1f1f;--blue:#6b9eff;--blue-bg:#0d1a2e;--blue-border:#1e3a5a;--amber:#facc15;--amber-bg:#1a140a;--amber-border:#5a3d1e;--glow-green:#4ade8040;--glow-yellow:#facc1533;--glow-red:#f871714d;--highlight:#ffffff1a;--grid-line:#6b9eff06;--bg-navbar:#0d0d0dbf;--bg-body-glow:#10141f;--brand-sub:#4a6fa5}html[data-theme=light]{--bg-body:#f4f5f7;--panel-a:#fff;--panel-b:#fafbfc;--bg-card:#f3f4f6;--bg-input:#fff;--border-1:#e8eaee;--border-2:#dfe2e8;--border-3:#c9cfd8;--border-focus:#94a3b8;--text-1:#111827;--text-2:#333e4f;--text-3:#5b6472;--text-4:#6e7683;--text-5:#8b93a0;--green:#16a34a;--green-bg:#dcfce7;--green-border:#bbf7d0;--yellow:#b45309;--orange:#ea580c;--orange-bg:#ffedd5;--orange-border:#fdba74;--glow-orange:#ea580c26;--yellow-bg:#fef3c7;--yellow-border:#fde68a;--red:#dc2626;--red-bg:#fee2e2;--red-border:#fecaca;--blue:#2563eb;--blue-bg:#dbeafe;--blue-border:#bfdbfe;--amber:#b45309;--amber-bg:#fff7ed;--amber-border:#fdba74;--glow-green:#16a34a2e;--glow-yellow:#b4530926;--glow-red:#dc262633;--highlight:#0000000d;--grid-line:#2563eb08;--bg-navbar:#fffc;--bg-body-glow:#e8edf5;--brand-sub:#7d93b8}*,:before,:after{box-sizing:border-box;margin:0;padding:0}input,select,button,textarea{font-family:inherit}body{background:linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px), radial-gradient(ellipse 100% 60% at 50% -10%, var(--bg-body-glow) 0%, var(--bg-body) 60%);color:var(--text-2);font-family:var(--font-sans);font-variant-numeric:tabular-nums;background-size:44px 44px,44px 44px,100% 100%;background-attachment:fixed;min-height:100vh;transition:background .2s,color .2s}a{text-decoration:none}