:root{
  --primary:#0e7490;
  --primary-dark:#155e75;
  --accent:#f59e0b;
  --bg:#f8fafc;
  --card:#ffffff;
  --text:#1e293b;
  --muted:#64748b;
  --line:#e2e8f0;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
a{color:var(--primary);text-decoration:none}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
section{padding:56px 0}
h2{font-size:1.8rem;text-align:center;margin-bottom:8px}
.sub{text-align:center;color:var(--muted);margin-bottom:40px}
.btn{display:inline-block;padding:14px 32px;border-radius:8px;font-size:1.05rem;font-weight:600;cursor:pointer;border:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#d97706}

header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.25rem;font-weight:700;color:var(--primary-dark)}
.logo span{color:var(--accent)}
nav.menu{display:flex;gap:24px;font-size:.95rem}
nav.menu a{color:var(--text)}
nav.menu a:hover{color:var(--primary)}
.nav-phone{font-weight:700;color:var(--primary-dark)}

.page-hero{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;padding:48px 20px;text-align:center}
.page-hero h1{font-size:1.9rem;margin-bottom:10px}
.page-hero p{opacity:.9;max-width:640px;margin:0 auto}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px}
.card h3{font-size:1.05rem;margin-bottom:10px;color:var(--primary-dark)}
.card p{font-size:.9rem;color:var(--muted)}

table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.06)}
th{background:var(--primary);color:#fff;padding:14px;font-size:.95rem;text-align:left}
td{padding:13px 14px;border-bottom:1px solid var(--line);font-size:.93rem}
tr:last-child td{border-bottom:none}

footer{background:var(--primary-dark);color:rgba(255,255,255,.85);padding:32px 0;font-size:.9rem;text-align:center}
footer a{color:#fff}

/* 手机端汉堡菜单 */
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--primary-dark);border-radius:2px}
.mobile-drawer{display:none;position:fixed;inset:0;z-index:100}
.mobile-drawer.open{display:block}
.mobile-drawer .mask{position:absolute;inset:0;background:rgba(0,0,0,.4)}
.mobile-drawer .panel{position:absolute;top:0;right:0;width:74%;max-width:300px;height:100%;background:#fff;padding:24px 20px;box-shadow:-4px 0 16px rgba(0,0,0,.15);display:flex;flex-direction:column}
.mobile-drawer .panel a{padding:14px 4px;font-size:1.05rem;color:var(--text);border-bottom:1px solid var(--line)}
.mobile-drawer .panel .phone{margin-top:20px;font-weight:700;color:var(--primary-dark)}
.mobile-drawer .close{align-self:flex-end;background:none;border:none;font-size:1.6rem;color:var(--muted);cursor:pointer;padding:4px 8px}

@media(max-width:768px){
  .grid3{grid-template-columns:1fr}
  nav.menu{display:none}
  .hamburger{display:flex}
  .page-hero h1{font-size:1.5rem}
}