:root {
  --bg: #070b14;
  --bg-card: rgba(14, 22, 38, 0.72);
  --bg-card-hover: rgba(18, 28, 48, 0.9);
  --border: rgba(120, 160, 255, 0.14);
  --text: #e8edf7;
  --text-muted: #93a4c3;
  --accent: #4f9cff;
  --accent-2: #22d3ee;
  --accent-3: #a78bfa;
  --gradient: linear-gradient(135deg, #4f9cff 0%, #22d3ee 50%, #a78bfa 100%);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --header-h: 72px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(79, 156, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 156, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.bg-glow-1 {
  width: 420px;
  height: 420px;
  top: -80px;
  right: -60px;
  background: rgba(79, 156, 255, 0.18);
}

.bg-glow-2 {
  width: 360px;
  height: 360px;
  bottom: 10%;
  left: -80px;
  background: rgba(34, 211, 238, 0.12);
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  background: rgba(7, 11, 20, 0.72);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient);
  color: #041018;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  font-weight: 700;
}

.logo-text {
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

.menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

.hero {
  padding: 88px 0 72px;
}

.hero-inner {
  max-width: 860px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent-2);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.stat-card strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.stat-card span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(14, 22, 38, 0.45), transparent);
}

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 14px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.trend-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.trend-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.trend-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: rgba(79, 156, 255, 0.28);
}

.trend-icon {
  font-family: "JetBrains Mono", monospace;
  color: var(--accent-2);
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.trend-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.trend-card p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.trend-card ul {
  list-style: none;
  display: grid;
  gap: 8px;
}

.trend-card li {
  position: relative;
  padding-left: 18px;
  color: #b8c7e2;
  font-size: 0.94rem;
}

.trend-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gradient);
}

.timeline {
  position: relative;
  display: grid;
  gap: 22px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 74px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  opacity: 0.35;
}

.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  align-items: start;
}

.timeline-item time {
  font-family: "JetBrains Mono", monospace;
  color: var(--accent-2);
  font-weight: 600;
  padding-top: 4px;
}

.timeline-content {
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.timeline-content h3 {
  margin-bottom: 8px;
}

.timeline-content p {
  color: var(--text-muted);
}

.timeline-item.highlight .timeline-content {
  border-color: rgba(79, 156, 255, 0.35);
  box-shadow: 0 0 0 1px rgba(79, 156, 255, 0.08) inset;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.industry-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.industry-card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.industry-card p {
  color: var(--text-muted);
  font-size: 0.96rem;
}

.outlook-box {
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(180deg, rgba(14, 22, 38, 0.9), rgba(10, 16, 28, 0.9));
  box-shadow: var(--shadow);
}

.outlook-box h2 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin: 12px 0 24px;
}

.outlook-content {
  display: grid;
  gap: 18px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.outlook-content strong {
  color: var(--text);
}

.quote-block {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.quote-block blockquote {
  font-size: 1.2rem;
  font-weight: 500;
  color: #c8d7f2;
  font-style: italic;
}

.site-footer {
  padding: 36px 0 48px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

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

.footer-brand p,
.footer-meta p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

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

.footer-meta a:hover {
  color: var(--accent-2);
}

@media (max-width: 900px) {
  .hero-stats,
  .trend-grid,
  .industry-grid {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 18px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 36px;
  }

  .timeline-item time {
    position: absolute;
    margin-top: -2px;
  }
}

@media (max-width: 720px) {
  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 16px 20px 24px;
    background: rgba(7, 11, 20, 0.96);
    border-bottom: 1px solid var(--border);
  }

  .nav.open {
    display: flex;
  }

  .menu-btn {
    display: block;
  }

  .hero {
    padding-top: 56px;
  }

  .outlook-box {
    padding: 24px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}