body{background-color:#f8f8f8;color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;margin:0;padding:0}a{color:#007aff;text-decoration:none}a:hover{text-decoration:underline}header{background:#fff;border-bottom:1px solid #e5e5e5;padding:1rem 0;position:sticky;top:0;z-index:1000}nav{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:960px;width:90%}nav .logo{color:#333;font-size:1.5rem;font-weight:700}nav ul{display:flex;list-style:none;margin:0;padding:0}nav ul li{margin-left:1.5rem}nav ul li a{color:#555;font-weight:500}main,section{padding:2rem 0}section{margin:0 auto;max-width:960px;width:90%}.hero{padding:4rem 0;text-align:center}.hero-content h1{font-size:2.5rem;margin-bottom:1rem}.hero-content p{color:#666;font-size:1.2rem;margin:0 auto 2rem;max-width:600px}.app-store-button{background-color:#007aff;border-radius:8px;color:#fff;display:inline-block;font-weight:700;padding:.8rem 1.6rem;text-decoration:none}.features h2{margin-bottom:2rem;text-align:center}.feature-list{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.feature-item{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000000d;padding:1.5rem}.feature-item h3{margin-top:0}.content{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000000d;padding:2rem}.content h1{margin-top:0}footer{color:#999;font-size:.9rem;padding:2rem 0;text-align:center}@media (max-width:768px){nav{flex-direction:column}nav .logo{margin-bottom:1rem}nav ul{justify-content:center}.hero-content h1{font-size:2rem}.hero-content p{font-size:1rem}}.disclaimer-banner{background-color:#fff3cd;border:1px solid #ffeeba;border-radius:8px;color:#856404;margin-bottom:2rem;padding:1rem 1.5rem}.disclaimer-banner p{margin:.5rem 0}