@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap");:root{--color-bg:#ffffff;--color-text:#111111;--color-primary:#0070f3;--color-primary-hover:#0051c3;--color-border:#eaeaea;--color-nav-gradient:linear-gradient(90deg,#f7f8fc,#dbeafe);--productLanding-primary:gold;--productLanding-dark:#222;--productLanding-light:#f9f9f9;--udemy-bg:#ffffff;--udemy-panel:#f9f9fb;--udemy-elev:#f1f3f5;--udemy-card:#ffffff;--udemy-text:#1c1d1f;--udemy-muted:#6a6f73;--udemy-line:#d1d7dc;--udemy-brand:#a435f0;--udemy-brand2:#5624d0;--udemy-ok:#2ecc71;--udemy-shadow:0 6px 18px rgba(0,0,0,.1);--udemy-radius:8px;--udemy-radius-lg:12px;--udemy-pad:clamp(16px,2vw,28px);--udemy-maxw:1200px;--udemy-blur:saturate(120%) blur(6px);--bookmark-primary:#111827;--bookmark-accent:#6ee7b7;--bookmark-text:#e5e7eb;--bookmark-muted:#9ca3af;--bookmark-surface:rgba(255,255,255,0.06);--bookmark-surface-2:rgba(255,255,255,0.08);--bookmark-border:rgba(255,255,255,0.14);--bookmark-radius:16px;--shadow-1:0 10px 25px rgba(0,0,0,0.25);--music-bg:#0b0f17;--music-text:#e5e7eb;--music-muted:#9ca3af;--music-card:rgba(255,255,255,.06);--music-stroke:rgba(255,255,255,.14);--music-accent:#34d399;--music-shadow:0 12px 28px rgba(0,0,0,.3);--music-radius:18px;--rps-bg:#eceff1;--rps-ink:#101828;--rps-muted:#667085;--rps-card:#ffffff;--rps-border:#1f2937;--rps-cyan:#20c0f3;--rps-cyan-600:#12a9da;--rps-cyan-700:#0f97c4;--rps-coral:#e85c46;--rps-coral-700:#d44932;--rps-radius:16px;--rps-shadow:0 6px 14px rgba(0,0,0,.16);--rps-shadow-2:0 10px 18px rgba(0,0,0,.18);--calc-bg:hsl(240 6% 6%);--calc-bg-2:hsl(240 6% 8%);--calc-surface:hsl(240 6% 12%);--calc-card:hsl(240 6% 10%);--calc-glass:hsla(0,0%,100%,0.08);--calc-text:hsl(0 0% 98%);--calc-muted:hsl(0 0% 78%);--calc-accent:hsl(267 100% 66%);--calc-accent-2:hsl(210 100% 60%);--calc-danger:hsl(355 80% 58%);--calc-success:hsl(150 60% 45%);--calc-ring:hsl(267 100% 66%/0.5);--calc-shadow:0 10px 30px hsl(0 0% 0%/0.35);--calc-radius:1.25rem;--calc-gap:0.75rem;--calc-font:ui-sans-serif,system-ui,"Inter","Open Sans",Arial,sans-serif;--calc-border:hsl(0 0% 100%/0.12);--fin-bg:#faf8f6;--fin-card:#ffffff;--fin-ink:#1f1f24;--fin-ink-2:#5a5a66;--fin-brand:#7c5cff;--fin-brand-2:#2aa6ff;--fin-good:#1aa37a;--fin-warn:#d33c3c;--fin-border:#e9e6e3;--fin-shadow:0 10px 30px rgba(18,18,23,0.06);--fin-radius:16px;--fin-gap:14px;--fin-font:ui-sans-serif,system-ui,Inter,"Open Sans",Arial,sans-serif;--splash-bg:#ffffff;--splash-ink:#0f172a;--splash-muted:#475569;--splash-accent:#6366f1;--splash-soft:#eef2ff;--splash-glass-bg:linear-gradient(180deg,rgba(255,255,255,0.7),rgba(255,255,255,0.45));--splash-glass-border:rgba(255,255,255,0.4);--splash-glass-shadow:0 10px 30px rgba(2,6,23,0.15),inset 0 1px rgba(255,255,255,0.5);--splash-glass-tilt:0deg;--splash-img-radius:18px;--splash-img-shadow:none;--redact-bg:#f9fafc;--redact-card:#ffffff;--redact-border:#e2e8f0;--redact-accent:#4a90e2;--redact-accent-hover:#357abd;--redact-text:#1a202c;--redact-muted:#6b7280;--redact-danger:#e94e4e;--notice-bg:#f7fbff;--notice-card:#ffffff;--notice-border:#e6eef7;--notice-text:#0f172a;--notice-muted:#64748b;--notice-accent:#4f46e5;--notice-accent-2:#06b6d4;--notice-accent-hover:#4338ca;--notice-danger:#ef4444;--notice-glow:0 8px 30px rgba(79,70,229,0.15);--notice-radius:14px;--cats-bg:#f9fbff;--cats-text:#0f172a;--cats-muted:#6b7280;--cats-card:#ffffff;--cats-border:#e6eef7;--cats-accent:#4f46e5;--cats-accent2:#06b6d4;--cats-danger:#ef4444;--cats-radius:14px;--cats-shadow:0 8px 28px rgba(2,6,23,.08);--tech-care-primary:#00ffe0;--tech-care-primary-600:#00d9bf;--tech-care-ink:#0b1220;--tech-care-subtle:#0b1220cc;--tech-care-muted:#6b7280;--tech-care-card:#ffffff;--tech-care-border:#e5e7eb;--tech-care-bg-a:rgba(0,255,224,.05);--tech-care-bg-b:rgba(6,182,212,.05);--tech-care-shadow-sm:0 2px 10px rgba(2,6,23,.06);--tech-care-shadow-md:0 8px 18px rgba(0,255,224,.16);--tech-care-shadow-lg:0 12px 24px rgba(0,255,224,.22);--mode-bg:#ffffff;--mode-fg:#0b1020;--mode-muted:#5b6172;--mode-card:rgba(255,255,255,0.8);--mode-border:rgba(12,16,32,0.08);--mode-accent:#7c3aed;--mode-accent-ghost:rgba(124,58,237,0.15);--mode-glow:0 10px 30px rgba(124,58,237,0.25);--mode-grid:radial-gradient(transparent 1px,transparent 0);--mode-blur:saturate(120%) blur(8px);--mode-shadow:0 6px 24px rgba(12,16,32,0.08);--mode-elevated-bg:#ffffff;--mode-elevated-fg:#0b1020;--sign-text:#0f1222;--sign-text-muted:#5b6173;--sign-ink-inverse:#ffffff;--sign-primary:#e38358;--sign-primary-600:#d87346;--sign-ring:#9aa4ff;--sign-danger:#ef4444;--sign-success:#22c55e;--sign-warning:#f59e0b;--sign-card-radius:16px;--sign-field-radius:14px;--sign-btn-radius:14px;--sign-shadow-lg:0 24px 60px rgba(10,12,20,0.28),0 6px 16px rgba(10,12,20,0.18);--sign-shadow-md:0 14px 34px rgba(10,12,20,0.2),0 2px 10px rgba(10,12,20,0.12);--sign-inset-top:inset 0 1px 0 rgba(99,2,2,0.7);--sign-field-bg:rgba(255,255,255,0.96);--sign-field-border:rgba(15,18,34,0.12);--sign-field-border-focus:rgba(71,100,255,0.45);--sign-toast-bg:#1f1f25;--sign-gap:1.05rem;--ps-surface:rgba(255,255,255,0.9);--ps-surface-dark:rgba(24,24,28,0.9);--ps-text:#0f1222;--ps-ink-inverse:#f7f8fd;--ps-muted:#5b6173;--ps-primary:#6c7cff;--ps-primary-600:#5563f3;--ps-ring:rgba(108,124,255,.3);--ps-success:#22c55e;--ps-shadow-lg:0 30px 70px rgba(8,10,20,.25),0 10px 30px rgba(8,10,20,.18);--ps-border:rgba(15,18,34,.12);--ps-radius:18px;--ps-field-radius:14px;--ps-gap:1rem}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,sans-serif;background-color:#ffffff;color:#111111;line-height:1.6;font-size:16px}a{color:#0070f3;text-decoration:none;transition:color .2s ease}a:hover{color:#0051c3}.container{max-width:1024px;margin:0 auto;padding:2rem 1rem}