body{margin:0;background:#F5F2EA;color:#252B2D;font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.7}header{background:#1C272B;color:#fff;padding:18px;display:flex;justify-content:space-between}a{color:#3F5F68;text-decoration:none}header a{color:#fff;margin-right:16px}.wrap{max-width:1100px;margin:auto;padding:24px}.hero{padding:40px;background:#E9EEE9;border-radius:18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.card{background:#fff;padding:18px;border-radius:12px;border-left:4px solid #C7A96B}.btn{background:#D66A4A;color:#fff;padding:10px 16px;border-radius:8px}footer{padding:30px;background:#1C272B;color:white}@media(max-width:700px){header{display:block}.grid{grid-template-columns:1fr}}