*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,'Microsoft JhengHei',sans-serif;background:#eef3ef;color:#333}
.hero{background:linear-gradient(135deg,#2d7f44,#73c77b);padding:90px 20px;text-align:center;color:#fff}
.hero h1{font-size:64px;margin:0}
.hero p{font-size:24px;margin:10px 0 25px}
nav a{color:#fff;text-decoration:none;margin:0 12px;font-weight:bold}
.intro{max-width:900px;margin:50px auto;padding:0 20px;text-align:center}
.btn{display:inline-block;background:#2d7f44;color:#fff;padding:14px 28px;border-radius:30px;text-decoration:none;margin-top:20px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;max-width:1100px;margin:40px auto;padding:20px}
.card{background:#fff;border-radius:16px;padding:30px;text-align:center;box-shadow:0 8px 18px rgba(0,0,0,.08);transition:.2s}
.card:hover{transform:translateY(-6px)}
footer{text-align:center;padding:35px;color:#666}