*{box-sizing:border-box;margin:0;padding:0}
body{background:#eef7fb;color:#0d3a52;font-family:"Microsoft YaHei",sans-serif;line-height:1.7}
a{color:#0a83b8;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 18px}
header{background:linear-gradient(180deg,#0a83b8,#06547a);color:#fff;padding:22px 0}
header a{color:#fff}
.logo{font-size:26px;font-weight:700}
nav ul{display:flex;gap:14px;flex-wrap:wrap;list-style:none;margin-top:12px}
nav a{padding:6px 12px;border-radius:20px;background:rgba(255,255,255,.12)}
nav a:hover{background:rgba(255,255,255,.28)}
.hero{padding:70px 0;background:linear-gradient(180deg,#d3ecf6,#eef7fb);text-align:center}
.hero h1{font-size:40px;color:#06547a}
.hero p{max-width:680px;margin:14px auto;color:#2a6680}
.btn{display:inline-block;padding:12px 28px;background:#0a83b8;color:#fff;border-radius:6px;margin:18px 6px 0}
.btn:hover{background:#06547a}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;padding:36px 0}
.card{background:#fff;padding:22px;border-radius:10px;border-top:4px solid #0a83b8;box-shadow:0 2px 12px rgba(10,131,184,.08)}
.card h3{color:#06547a;margin-bottom:8px}
.crumb{padding:14px 0;color:#4a7388;font-size:14px}
footer{margin-top:40px;padding:28px 0;background:#06547a;color:#bfe2f0;text-align:center;font-size:13px}