:root {
  --bg: #0a0f1a;
  --card: #1a1f2e;
  --text: #e8eefb;
  --muted: #9fb0d0;
  --primary: #4a9eff;
  --primary-2: #6bb3ff;
  --accent-purple: #8b5cf6;
  --accent-blue: #3b82f6;
  --glow-blue: #00d4ff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji"; }
a { color: var(--primary); text-decoration: none; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }

.site-header { 
  position: sticky; 
  top: 0; 
  backdrop-filter: saturate(180%) blur(10px); 
  background: rgba(10, 15, 26, 0.9); 
  border-bottom: 1px solid rgba(0, 212, 255, 0.1); 
  z-index: 20; 
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); }
.logo img { width: 28px; height: 28px; }
.nav { display: flex; gap: 16px; }
.nav a { color: var(--muted); font-weight: 500; }
.nav a:hover { 
  color: var(--primary); 
  text-shadow: 0 0 8px rgba(74, 158, 255, 0.3);
}

.hero { padding: 80px 0 40px; text-align: center; }
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 12px; }
.hero .subtitle { color: var(--muted); margin: 0 auto 24px; max-width: 760px; }
.cta-group { display: inline-flex; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; color: var(--text); }
.btn:hover { 
  border-color: rgba(0, 212, 255, 0.3); 
  color: var(--primary);
  box-shadow: 0 2px 10px rgba(0, 212, 255, 0.1);
}
.btn-primary { 
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue), var(--primary)); 
  color: #ffffff; 
  border: none; 
  font-weight: 700; 
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}
.btn-primary:hover { 
  filter: brightness(1.1); 
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}
.hero-media img { margin-top: 24px; width: 96px; height: 96px; opacity: 0.9; }

.features { padding: 40px 0 10px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card { 
  background: var(--card); 
  border: 1px solid rgba(0, 212, 255, 0.1); 
  border-radius: 14px; 
  padding: 18px; 
  transition: all 0.3s ease;
  position: relative;
}
.card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
}
.card h3 { margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); }

.gallery { padding: 10px 0 10px; }
.shot { 
  margin: 0; 
  background: var(--card); 
  border: 1px solid rgba(0, 212, 255, 0.1); 
  border-radius: 14px; 
  overflow: hidden; 
  transition: all 0.3s ease;
}
.shot:hover {
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
}
.shot img { width: 100%; display: block; }
.shot figcaption { padding: 8px 12px; color: var(--muted); font-size: 14px; }

.proof { padding: 30px 0; }
.proof h2 { margin: 0 0 10px; text-align: center; }
.bullets { list-style: none; margin: 0 auto; padding: 0; max-width: 760px; color: var(--muted); }
.bullets li { padding: 6px 0; text-align: center; }

.cta-banner { padding: 24px 0 60px; text-align: center; }

.site-footer { 
  border-top: 1px solid rgba(0, 212, 255, 0.1); 
  padding: 24px 0; 
}
.footer-inner { 
  display: flex; 
  align-items: flex-start; 
  justify-content: space-between; 
  color: var(--muted); 
  flex-wrap: wrap; 
  gap: 24px; 
}
.footer-right { 
  display: flex; 
  flex-direction: column; 
  align-items: flex-end; 
  gap: 12px; 
}
.footer-social { 
  display: flex; 
  align-items: center; 
  gap: 12px; 
}
.footer-social a { 
  color: var(--primary); 
  transition: color 0.2s; 
  font-weight: 500;
}
.footer-social a:hover { 
  color: var(--primary-2); 
  text-shadow: 0 0 8px rgba(74, 158, 255, 0.3); 
}
.footer-separator { 
  color: var(--muted); 
  opacity: 0.3; 
}
.footer-links { 
  display: flex; 
  align-items: center; 
  gap: 20px; 
}
.footer-links a { 
  color: var(--muted); 
  font-size: 0.9em;
}
.footer-links a:hover { 
  color: var(--primary); 
}

/* 隐私政策和服务条款页面样式 */
main.container section.card {
  line-height: 1.7;
}
main.container section.card h2 {
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 16px;
}
main.container section.card h3 {
  color: var(--primary-2);
  font-size: 18px;
  margin-top: 20px;
  margin-bottom: 12px;
}
main.container section.card ul, 
main.container section.card ol {
  padding-left: 24px;
  margin: 12px 0;
}
main.container section.card li {
  margin: 8px 0;
  line-height: 1.6;
}
main.container section.card code {
  background: rgba(0, 212, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  color: var(--primary-2);
}
main.container section.card strong {
  color: var(--text);
  font-weight: 600;
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  main.container section.card h2 { font-size: 20px; }
  main.container section.card h3 { font-size: 16px; }
  .footer-inner { 
    flex-direction: column; 
    align-items: center; 
    text-align: center; 
    gap: 16px; 
  }
  .footer-right { 
    align-items: center; 
    width: 100%; 
  }
}