:root {
  --primary: #2f6bff;
  --accent: #ff8a2a;
  --bg: #071327;
  --bg-soft: #0d1e38;
  --text: #e8f0ff;
  --muted: #a8b9d7;
  --card: rgba(11, 29, 55, 0.72);
  --border: rgba(124, 164, 255, 0.25);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #0b1f3f 0%, var(--bg) 55%, #050d1d 100%);
  line-height: 1.68;
}
.container { width: min(1180px, 92%); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 30; background: rgba(4,14,30,.7); border-bottom: 1px solid var(--border); backdrop-filter: blur(10px); }
.nav-wrap { display: flex; justify-content: space-between; align-items: center; min-height: 68px; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; }
.logo-mark { display:inline-flex; align-items:center; justify-content:center; min-width:52px; height:28px; padding:0 10px; border-radius:999px; font-size:.82rem; background:linear-gradient(90deg, var(--primary), var(--accent)); color:#fff; }
.logo-text { color: #eaf2ff; font-size: 1.04rem; }
nav { display: flex; gap: 14px; flex-wrap: wrap; }
nav a { text-decoration: none; color: #b7c9ea; font-weight: 600; }
nav a:hover { color: #fff; }

.hero { position: relative; padding: 92px 0 62px; border-bottom: 1px solid var(--border); overflow: hidden; }
#particleCanvas { position:absolute; inset:0; width:100%; height:100%; pointer-events:none; opacity:.7; }
.hero-overlay { position:absolute; inset:0; background: radial-gradient(circle at 30% 20%, rgba(47,107,255,.28), transparent 55%); pointer-events:none; }
.hero-layout { display:grid; grid-template-columns: 1.05fr .95fr; gap: 24px; align-items:center; position: relative; z-index: 1; }
.eyebrow { color: #a8c7ff; font-weight: 700; margin: 0 0 8px; }
.hero h1 { margin: 0; font-size: clamp(2rem, 3.2vw, 3rem); line-height: 1.2; color: #fff; }
.subtitle { margin-top: 12px; color: #d8e5ff; font-weight: 700; }
.hero-actions { margin-top: 22px; display:flex; gap: 12px; flex-wrap: wrap; }
.hero-visual { perspective: 1200px; }
.hero-visual img { width:100%; border-radius: 18px; border: 1px solid var(--border); box-shadow: 0 18px 40px rgba(4,13,30,.55); transition: transform .25s ease; }

.btn { display:inline-block; padding: 11px 18px; border-radius: 12px; border:1px solid transparent; text-decoration:none; font-weight:700; cursor:pointer; }
.btn-primary { background: linear-gradient(90deg, var(--primary), var(--accent)); color: #fff; }
.btn-secondary { background: rgba(255,255,255,.05); border-color: #5073b8; color: #dbe8ff; }

.section { padding: 56px 0; }
.section-alt { background: linear-gradient(180deg, rgba(11,24,47,.66), rgba(8,20,40,.66)); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
h2 { margin: 0 0 20px; color:#fff; }
h3 { margin: 0 0 8px; color:#edf3ff; }
p { color: var(--muted); margin: 0 0 10px; }

.grid { display:grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3,minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4,minmax(0,1fr)); }
.metrics-grid { display:grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }

.card, .case-card, .contact-card, .form, .metric-card, .process-item, .table-wrap, .map-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  backdrop-filter: blur(8px);
}
.card:hover, .case-card:hover, .metric-card:hover { transform: translateY(-4px); transition: .2s ease; }
.card img, .case-card img { width:100%; height:180px; object-fit:cover; border-radius:10px; border:1px solid var(--border); margin-bottom:10px; }
.tag { color: #ffb472; font-weight: 700; }

.list-check { margin:0; padding-left:0; list-style:none; display:grid; gap:8px; }
.list-check li::before { content:"✓"; color:#7ec4ff; margin-right:8px; font-weight:800; }
.two-col { display:grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: center; }
.image-card img { width:100%; border-radius:14px; border:1px solid var(--border); }

.process-grid { display:grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 10px; }
.process-item { text-align: center; font-weight: 700; color:#d9e7ff; }

.case-stats { display:flex; gap:8px; flex-wrap: wrap; }
.case-stats span { font-size: 12px; color:#c7d8f4; background: rgba(31,56,98,.65); border:1px solid var(--border); border-radius:999px; padding:4px 10px; }

.table-wrap table { width:100%; border-collapse: collapse; color:#d6e3ff; }
.table-wrap th, .table-wrap td { border-bottom:1px solid rgba(124,164,255,.22); padding:10px; text-align:left; }

.contact-grid { display:grid; grid-template-columns: 1fr 1.2fr; gap:16px; }
.form { display:grid; gap:10px; }
label { display:grid; gap:6px; color:#d4e3ff; font-weight:600; }
input, select, textarea { border:1px solid #33538f; border-radius:10px; padding:10px 12px; background: rgba(5,17,35,.9); color:#eef4ff; font:inherit; }
.checks { display:grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; }
.map-box { margin-top: 8px; text-align:center; color:#b8cceb; }

.floating-support { position: fixed; right: 14px; bottom: 14px; display:grid; gap: 8px; z-index:50; }
.floating-support button, .floating-support a { border:0; border-radius:999px; padding:10px 14px; font-weight:700; text-decoration:none; color:#fff; background: linear-gradient(90deg, var(--primary), var(--accent)); }

.faq-panel { position: fixed; inset: 0; display:none; z-index:60; background: rgba(2,8,20,.6); }
.faq-panel.open { display:block; }
.faq-inner { width:min(420px,92vw); margin: 8vh auto 0; background:#0d2141; border:1px solid var(--border); border-radius:14px; padding:18px; position: relative; }
.close { position:absolute; right:10px; top:6px; border:0; background:transparent; color:#fff; font-size:26px; cursor:pointer; }

.site-footer { text-align:center; color:#8fa4c7; padding: 26px 0 40px; border-top:1px solid var(--border); }

.reveal { opacity:0; transform: translateY(16px); }
.reveal.in { opacity:1; transform: translateY(0); transition: opacity .6s ease, transform .6s ease; }

@media (max-width: 980px) {
  .hero-layout, .two-col, .metrics-grid, .grid-4, .grid-3, .contact-grid, .process-grid { grid-template-columns: 1fr; }
}
@media (max-width: 580px) {
  .nav-wrap { flex-direction:column; align-items:flex-start; padding:10px 0; }
  nav { gap: 12px; }
  .checks { grid-template-columns: 1fr; }
}