:root{--primary: #2f7d4f;--primary-dark: #1f5c38;--accent: #f4a261;--bg: #f7faf8;--text: #1f2937;--muted: #6b7280}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.container{max-width:1100px;margin:0 auto;padding:0 24px}.navbar{display:flex;align-items:center;justify-content:space-between;padding:18px 0}.logo{font-size:22px;font-weight:700;color:var(--primary)}.nav-links{display:flex;gap:28px;list-style:none}.nav-links a{text-decoration:none;color:var(--text);font-weight:500;transition:color .2s}.nav-links a:hover{color:var(--primary)}.hero{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:96px 0;text-align:center;border-radius:0 0 32px 32px}.hero h1{font-size:44px;margin-bottom:18px}.hero p{font-size:18px;opacity:.92;max-width:620px;margin:0 auto 32px}.btn{display:inline-block;background:var(--accent);color:#fff;padding:14px 34px;border-radius:999px;text-decoration:none;font-weight:600;transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px #0000002e}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:72px 0}.card{background:#fff;border-radius:16px;padding:32px 28px;box-shadow:0 6px 20px #0000000f;transition:transform .2s}.card:hover{transform:translateY(-6px)}.card h3{color:var(--primary);margin-bottom:12px;font-size:20px}.card p{color:var(--muted)}.footer{text-align:center;padding:36px 0;color:var(--muted);border-top:1px solid #e5e7eb}@media (max-width: 768px){.features{grid-template-columns:1fr}.hero h1{font-size:32px}.nav-links{display:none}}