*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#243027;background:#f6f8f4;line-height:1.6}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.top{background:#fff;border-bottom:1px solid #e4ebe2;position:sticky;top:0;z-index:5}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{font-weight:700;font-size:19px;color:#2f6b43;text-decoration:none}
nav a{color:#4a5a4e;text-decoration:none;margin-left:22px;font-size:15px}
nav a:hover{color:#2f6b43}
.hero{background:linear-gradient(135deg,#dff0e2,#eef6ea);padding:72px 0;text-align:center}
.hero h1{font-size:38px;color:#1f3a28;margin-bottom:14px}
.hero p{max-width:620px;margin:0 auto 24px;color:#45554a;font-size:17px}
.btn{display:inline-block;background:#2f6b43;color:#fff;padding:12px 26px;border-radius:8px;text-decoration:none;font-weight:600}
.btn:hover{background:#265537}
h2{font-size:26px;margin:46px 0 20px;color:#1f3a28}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid #e4ebe2;border-radius:12px;overflow:hidden}
.card h3{font-size:17px;margin:14px 16px 6px}
.card p{font-size:14px;color:#56655b;margin:0 16px 12px}
.price{display:block;margin:0 16px 16px;font-weight:700;color:#2f6b43}
.ph{height:150px}
.ph1{background:linear-gradient(135deg,#78b58a,#4f9168)}
.ph2{background:linear-gradient(135deg,#9ac7a3,#6aa47d)}
.ph3{background:linear-gradient(135deg,#6fae82,#3f7d58)}
.ph4{background:linear-gradient(135deg,#aed4b3,#86bd94)}
.ph5{background:linear-gradient(135deg,#8cc29b,#5a9a72)}
.ph6{background:linear-gradient(135deg,#7bb98d,#4a8c64)}
.tips{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tips div{background:#fff;border:1px solid #e4ebe2;border-radius:12px;padding:18px}
.tips h4{color:#2f6b43;margin-bottom:6px}
.tips p{font-size:14px;color:#56655b}
.lead{font-size:16px;color:#3b4b40;max-width:760px}
.foot{margin-top:56px;background:#1f3a28;color:#cdddd1;padding:24px 0;font-size:14px}
@media(max-width:760px){.grid,.tips{grid-template-columns:1fr}.hero h1{font-size:30px}nav a{margin-left:14px;font-size:14px}}