:root{
  --blue:#0b3d91; --blue2:#1565d8; --accent:#ff6a00; --ink:#1f2937;
  --bg:#f5f8fc; --line:#e3e9f2;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
a{color:var(--blue2);text-decoration:none}
a:hover{text-decoration:underline}

.site-header{background:var(--blue);color:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;flex-wrap:wrap}
.brand{display:flex;flex-direction:column;line-height:1.2}
.logo{font-size:20px;font-weight:700;letter-spacing:1px}
.slogan{font-size:12px;opacity:.85}
.site-header nav{display:flex;gap:18px;flex-wrap:wrap}
.site-header nav a{color:#fff;font-size:15px}
.site-header nav a:hover{color:var(--accent);text-decoration:none}

.hero{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;padding:56px 0}
.hero h1{margin:0 0 12px;font-size:30px}
.hero .sub{font-size:16px;opacity:.92;margin:0 0 14px}
.hero .lead{font-size:16px;max-width:680px;margin:0 0 22px}
.hero .lead strong{color:#ffd9b8}
.cta{display:inline-block;background:var(--accent);color:#fff;padding:12px 22px;border-radius:8px;font-weight:600}
.cta:hover{background:#e85d00;text-decoration:none}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:36px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.card h3{margin:0 0 8px;color:var(--blue)}

main.wrap{padding-bottom:40px}
.block{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;margin:20px 0}
.block h2{margin:0 0 12px;color:var(--blue);font-size:20px}
.svc{margin:0;padding-left:20px}
.svc li{margin:6px 0}
.cases-mini{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.cases-mini div{background:#f0f5ff;border-left:3px solid var(--blue2);padding:12px;border-radius:6px;font-size:14px}
.cases-mini b{color:var(--blue)}
.more{margin-top:10px}

.site-footer{background:var(--blue);color:#fff;padding:24px 0;margin-top:30px;font-size:13px}
.site-footer p{margin:4px 0;opacity:.9}

@media(max-width:600px){
  .hero h1{font-size:24px}
  .site-header .wrap{flex-direction:column;align-items:flex-start;gap:10px}
}