:root {
  --bg: #0b1020;
  --bg-soft: #11182e;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-border: rgba(255, 255, 255, 0.08);
  --text: #e8ecf4;
  --text-dim: #9aa6c0;
  --accent: #4f7cff;
  --accent-2: #38e0c8;
  --radius: 16px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 70% -10%, #1b2a5a 0%, transparent 60%),
    linear-gradient(180deg, #0b1020 0%, #0a0e1a 100%);
  background-color: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(800px 500px at 50% 0%, #000 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(11, 16, 32, 0.6);
  border-bottom: 1px solid var(--surface-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #fff, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 28px;
  font-size: 15px;
  transition: color .2s;
}
.nav a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 120px 0 90px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--accent-2);
  text-transform: uppercase;
  margin: 0 0 18px;
}
.site-name {
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1.1;
  margin: 0 0 22px;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(180deg, #ffffff 30%, #b9c5e6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.site-intro {
  font-size: clamp(16px, 2.4vw, 22px);
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 auto 38px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .15s, box-shadow .25s, background .25s;
  cursor: pointer;
}
.btn-primary {
  color: #06122b;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 30px rgba(79, 124, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(79,124,255,0.45); }
.btn-ghost {
  color: var(--text);
  border: 1px solid var(--surface-border);
  background: var(--surface);
}
.btn-ghost:hover { border-color: var(--accent); color: #fff; }

/* Company card */
.company { padding: 30px 0 20px; }
.company-card {
  border: 1px solid var(--surface-border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(8px);
}
.company-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
}
.company-logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 26px;
  font-weight: 700;
  color: #06122b;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  flex: none;
}
.company-name { margin: 0; font-size: 22px; font-weight: 700; }
.company-en { margin: 4px 0 0; color: var(--text-dim); font-size: 14px; }
.company-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.company-meta li { display: flex; flex-direction: column; gap: 4px; }
.company-meta .label { color: var(--text-dim); font-size: 13px; }
.company-meta .value { font-size: 16px; }
.company-meta a { color: var(--accent-2); text-decoration: none; }
.company-meta a:hover { text-decoration: underline; }

/* Contact */
.contact { padding: 80px 0 100px; text-align: center; }
.section-title { font-size: clamp(26px, 4vw, 38px); margin: 0 0 12px; font-weight: 700; }
.section-sub { color: var(--text-dim); max-width: 560px; margin: 0 auto 40px; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  text-align: left;
}
.contact-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  color: var(--text);
  transition: border-color .2s, transform .15s;
}
a.contact-item:hover { border-color: var(--accent); transform: translateY(-3px); }
.contact-key { color: var(--text-dim); font-size: 13px; letter-spacing: 1px; }
.contact-val { font-size: 17px; font-weight: 600; color: var(--accent-2); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--surface-border);
  padding: 40px 0;
  background: rgba(8, 12, 24, 0.6);
}
.site-footer .container { display: flex; flex-direction: column; gap: 18px; }
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-brand { font-weight: 600; }
.footer-links { color: var(--text-dim); font-size: 14px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--text-dim);
  font-size: 13px;
  border-top: 1px solid var(--surface-border);
  padding-top: 18px;
}
.icp { letter-spacing: 0.5px; }

/* Responsive */
@media (max-width: 760px) {
  .company-meta, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding: 90px 0 60px; }
  .nav a { margin-left: 16px; }
}