:root {
  --bg: #0b0d12;
  --panel: #141824;
  --panel-2: #1b2131;
  --text: #f5f7ff;
  --muted: #b2b7c6;
  --accent: #60d4ff;
  --accent-2: #7c5cff;
  --line: #2a3246;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% 10%, rgba(96, 212, 255, 0.16), transparent 60%),
    radial-gradient(900px 500px at 90% 20%, rgba(124, 92, 255, 0.2), transparent 60%),
    var(--bg);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 90%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(11, 13, 18, 0.7);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 30px rgba(96, 212, 255, 0.35);
}

.brand-name {
  font-weight: 600;
  font-size: 1.1rem;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.85rem;
}

.nav {
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
}

.nav a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--text);
}

.hero {
  padding: 80px 0 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.eyebrow {
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--muted);
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  margin: 10px 0 14px;
}

.lead {
  color: var(--muted);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0d12;
  box-shadow: 0 10px 30px rgba(96, 212, 255, 0.25);
}

.btn.primary:hover {
  transform: translateY(-2px);
}

.btn.ghost {
  border-color: var(--line);
  color: var(--text);
}

.btn.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.shops {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.shops a {
  color: var(--text);
}

.hero-card {
  padding: 28px;
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(27, 33, 49, 0.95), rgba(20, 24, 36, 0.95));
  border: 1px solid rgba(96, 212, 255, 0.2);
  box-shadow: 0 20px 60px rgba(4, 8, 20, 0.6);
}

.card-title {
  font-weight: 600;
  margin-bottom: 16px;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: grid;
  gap: 10px;
}

.card-list li {
  padding-left: 18px;
  position: relative;
}

.card-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  left: 0;
  top: 8px;
}

.card-footer {
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 70px 0;
}

.section h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}

.section-desc {
  color: var(--muted);
  margin: 0 0 28px;
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.service {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 22px;
  border-radius: 18px;
  min-height: 180px;
}

.service h3 {
  margin-top: 0;
}

.contact {
  background: rgba(20, 24, 36, 0.6);
}

.contact-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: center;
}

.contact-card {
  background: var(--panel-2);
  border-radius: 18px;
  padding: 26px;
  border: 1px solid rgba(124, 92, 255, 0.3);
}

.contact-title {
  font-weight: 600;
  margin-bottom: 14px;
}

.contact-email {
  margin-top: 12px;
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 20px 0 30px;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

.dot {
  opacity: 0.6;
}

@media (max-width: 720px) {
  .nav {
    width: 100%;
    justify-content: flex-start;
    gap: 16px;
  }

  .hero {
    padding-top: 50px;
  }
}