*, *::before, *::after{margin:0;padding:0;box-sizing:border-box;}:root{--bg:#f3f6fb;--surface:#ffffff;--text:#0f172a;--muted:#475569;--border:#e2e8f0;--shadow:0 14px 40px rgba(15, 23, 42, 0.06);--accent:#3c8cc8;--accent2:#2563eb;}[data-theme="dark"]{--bg:#0b1220;--surface:#0f172a;--text:#e5e7eb;--muted:#cbd5e1;--border:#243244;--shadow:0 18px 44px rgba(0, 0, 0, 0.45);--accent:#7dd3fc;--accent2:#93c5fd;}html{scroll-behavior:smooth;}body{font-family:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;line-height:1.7;color:var(--text);background-color:var(--bg);max-width:1120px;margin:0 auto;padding:1.5rem 1.5rem 3rem;}header{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:0.5rem 1.5rem;background:color-mix(in srgb, var(--surface) 92%, transparent);border-bottom:1px solid var(--border);padding:1.25rem 0;margin-bottom:2.5rem;position:sticky;top:0;backdrop-filter:blur(10px);z-index:10;}nav{display:flex;gap:1.75rem;justify-content:center;flex-wrap:wrap;}nav a{color:var(--accent);text-decoration:none;font-weight:500;font-size:0.98rem;}nav a:hover{text-decoration:underline;}.theme-toggle{margin-left:0.5rem;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--border);background:color-mix(in srgb, var(--surface) 92%, transparent);color:var(--text);cursor:pointer;transition:transform 0.12s ease, background-color 0.12s ease, border-color 0.12s ease;}.theme-toggle:hover{transform:translateY(-1px);}.theme-toggle:active{transform:translateY(0);}main{padding:0;}.hero{display:grid;grid-template-columns:minmax(0, 3fr) minmax(0, 2fr);gap:2.5rem;align-items:center;margin-bottom:3rem;}.hero-text h1{font-size:2.4rem;margin-bottom:1rem;color:var(--text);line-height:1.2;font-weight:700;}.hero-text p{font-size:1.02rem;color:var(--muted);margin-bottom:1.5rem;}.hero-cta{display:inline-flex;align-items:center;gap:0.4rem;margin-top:0.75rem;font-size:0.94rem;color:var(--accent);text-decoration:none;font-weight:500;}.hero-cta:hover{text-decoration:underline;}.hero-illustration{border-radius:24px;padding:1.5rem;background:color-mix(in srgb, var(--accent) 12%, var(--surface));border:1px solid var(--border);display:flex;align-items:center;justify-content:center;}.hero-illustration img{max-width:100%;border-radius:18px;display:block;}article{background:var(--surface);padding:2.25rem 2.4rem;border-radius:20px;box-shadow:var(--shadow);}.intro{margin-bottom:2.5rem;font-size:1.02rem;color:var(--muted);}article h2{font-size:1.6rem;margin-top:2.5rem;margin-bottom:1rem;color:var(--text);font-weight:600;}article h2:first-of-type{margin-top:0;}article h3{font-size:1.2rem;margin-top:1.5rem;margin-bottom:0.6rem;color:var(--text);font-weight:600;}p{margin-bottom:1.1rem;text-align:left;line-height:1.75;color:var(--text);}article a{color:var(--accent);text-decoration:none;}article a:hover{text-decoration:underline;}.faq{margin-top:3rem;}.faq h2{margin-bottom:1.5rem;color:var(--text);}.faq-grid{display:grid;grid-template-columns:repeat(2, minmax(0, 1fr));gap:1.5rem;}.faq-item{background:color-mix(in srgb, var(--accent) 8%, var(--surface));padding:1.4rem 1.5rem;border-radius:16px;border:1px solid var(--border);}.faq-item h3{color:var(--accent);font-size:1.05rem;margin-top:0;margin-bottom:0.5rem;}.faq-item p{font-size:0.96rem;color:var(--muted);margin-bottom:0;}.faq-more{margin-top:1.5rem;margin-bottom:0;}.faq-more a{color:var(--accent);text-decoration:none;font-weight:500;}.faq-more a:hover{text-decoration:underline;}footer{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border);text-align:center;font-size:0.9rem;color:var(--muted);}footer p{margin-bottom:0.25rem;}footer nav{margin-bottom:0.75rem;}footer a{color:var(--accent);text-decoration:none;}footer a:hover{text-decoration:underline;}@media (max-width:900px){.hero{grid-template-columns:minmax(0, 1fr);}.hero-illustration{order:-1;}article{padding:1.8rem 1.5rem;}.faq-grid{grid-template-columns:minmax(0, 1fr);}}@media (max-width:640px){body{padding:1rem 1rem 2.5rem;}.hero-text h1{font-size:1.9rem;}nav{gap:1.1rem;}}