body { margin: 0; font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif; color: #2b3645; background: linear-gradient(180deg, #f3f7fb, #fff); min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; display: grid; place-items: center; padding: 48px 24px; }
.box { max-width: 620px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.3rem; color: #14202e; margin-bottom: 32px; }
.brand img { width: 44px; height: 44px; }
h1 { font-size: clamp(1.9rem, 5vw, 2.8rem); line-height: 1.15; letter-spacing: -0.03em; color: #14202e; margin: 0 0 16px; }
p { font-size: 1.1rem; line-height: 1.6; }
a { color: #00427c; }
footer { background: #002d55; color: #c3d3e3; padding: 24px; font-size: 0.9rem; text-align: center; }
footer p { margin: 4px 0; font-size: 0.9rem; }
footer a { color: #fff; }