:root{
  --blue:#0d57b7;
  --blue-dark:#0a3d82;
  --navy:#0f1f33;
  --ink:#172033;
  --muted:#64748b;
  --light:#f6f8fb;
  --line:#e3e8ef;
  --white:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.55}
a{color:inherit}
img{max-width:100%}
.container{width:min(1120px,calc(100% - 32px));margin:auto}

.topbar{background:var(--navy);color:#fff;font-size:14px}
.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:7px 0;flex-wrap:wrap}
.topbar a{text-decoration:none}

.header{background:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(15,31,51,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:100px}
.logo img{width:250px;display:block}
.nav{display:flex;align-items:center;gap:6px}
.nav a{text-decoration:none;font-weight:700;color:#27364a;padding:11px 14px;border-radius:8px}
.nav a:hover,.nav a.active{background:#edf4ff;color:var(--blue)}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 12px;font-size:22px;color:var(--navy)}

.hero{background:linear-gradient(180deg,#f8fbff 0,#fff 100%);padding:74px 0 62px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.kicker{color:var(--blue);font-weight:800;text-transform:uppercase;letter-spacing:1.4px;font-size:14px}
.hero h1{font-size:clamp(38px,5vw,62px);line-height:1.05;margin:10px 0 18px;color:var(--navy)}
.hero p{font-size:20px;color:#536174;max-width:720px}
.hero-logo-wrap{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 10px 30px rgba(15,31,51,.08)}
.hero-logo-wrap img{display:block;width:100%;height:auto}

.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:800;border-radius:9px;padding:13px 20px;border:2px solid var(--blue)}
.btn.primary{background:var(--blue);color:#fff}
.btn.secondary{background:#fff;color:var(--blue)}

section{padding:62px 0}
.section-head{text-align:center;max-width:740px;margin:0 auto 34px}
.section-head h2{font-size:36px;color:var(--navy);margin:0 0 8px}
.section-head p{margin:0;color:var(--muted);font-size:18px}

.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.service-card{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff;box-shadow:0 5px 18px rgba(15,31,51,.04)}
.service-card h3{margin:0 0 8px;color:var(--navy);font-size:20px}
.service-card p{color:var(--muted);margin:0 0 12px}
.service-card a{text-decoration:none;color:var(--blue);font-weight:800}
.service-icon{font-size:28px;margin-bottom:12px}

.quick-contact{background:var(--navy);color:#fff}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.quick-card{background:#182c46;border-radius:13px;padding:20px;text-align:center}
.quick-card h3{color:#ffd64a;margin:0 0 6px;font-size:18px}
.quick-card a{text-decoration:none}

.page-hero{background:#f7faff;padding:50px 0;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:42px;color:var(--navy);margin:0 0 8px}
.page-hero p{font-size:19px;color:var(--muted);max-width:760px}

.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:26px;align-items:start}
.content-card,.sidebar-card{border:1px solid var(--line);border-radius:14px;padding:26px;background:#fff}
.sidebar-card{background:#f8fafc}
.content-card h2,.content-card h3,.sidebar-card h3{color:var(--navy)}
.service-list{list-style:none;padding:0;margin:0}
.service-list li{border-bottom:1px solid var(--line)}
.service-list li:last-child{border:0}
.service-list a{display:block;padding:10px 0;text-decoration:none;font-weight:700;color:#2d3b50}
.service-list a:hover{color:var(--blue)}

.contact-strip{background:var(--blue);color:#fff;padding:30px 0}
.contact-strip .container{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.contact-strip h2{margin:0}
.contact-strip .btn{border-color:#fff;background:#fff;color:var(--blue)}

.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.info-card{border:1px solid var(--line);border-radius:13px;padding:20px;text-align:center;background:#fff}
.info-card h3{margin:0 0 6px;color:var(--blue)}
.info-card a{text-decoration:none}

.map-link{display:block;text-align:center;background:#eef4fb;border-radius:10px;padding:18px;text-decoration:none;font-weight:800;color:var(--blue)}
.notice{background:#eff6ff;border-left:4px solid var(--blue);padding:14px 16px;border-radius:6px}

.footer{background:#0b1727;color:#c7d0dc;padding:28px 0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:26px}
.footer h3{color:#fff;margin-top:0}
.footer a{color:#fff;text-decoration:none}
.footer-bottom{border-top:1px solid #26364a;margin-top:20px;padding-top:16px;font-size:14px}

.floating-wa{position:fixed;right:18px;bottom:18px;background:#25d366;color:#fff;text-decoration:none;font-weight:800;padding:13px 17px;border-radius:999px;box-shadow:0 8px 22px rgba(0,0,0,.18);z-index:60}

@media(max-width:930px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid,.content-grid{grid-template-columns:1fr}
  .quick-grid,.info-grid{grid-template-columns:repeat(2,1fr)}
  .hero-logo-wrap{max-width:650px}
}
@media(max-width:720px){
  .topbar{display:none}
  .header-inner{min-height:82px}
  .logo img{width:190px}
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:82px;background:#fff;border-top:1px solid var(--line);padding:10px 16px;flex-direction:column;align-items:stretch}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .services-grid,.quick-grid,.info-grid,.footer-grid{grid-template-columns:1fr}
  .hero{padding:50px 0}
  section{padding:50px 0}
  .page-hero h1{font-size:34px}
  .hero p{font-size:18px}
}

.service-image{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;margin-bottom:16px;border:1px solid var(--line);display:block}.service-detail-image{width:100%;max-width:700px;aspect-ratio:16/9;object-fit:cover;border-radius:12px;margin-bottom:22px;border:1px solid var(--line);display:block}