/* Root variables for theme */
:root {
  --ivory: #ECE8E2;
  --amethyst: #8F6BFF;
  --void: #0D0D0D;
  --glass-bg: rgba(236,232,226,0.08);
}
body {
  margin: 0;
  color: var(--ivory);
  background: var(--void);
  font-family: 'Inter', sans-serif;
  line-height: 1.7;
}

main {
  max-width: 900px;
  margin: 40px auto 0 auto;
  padding: 2rem 1.5rem 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
}

.hero-card {
  width: 100%;
  background: rgba(143, 107, 255, 0.10);
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px 0 rgba(143,107,255,0.08);
  padding: 2.2rem 2rem 1.5rem 2rem;
  margin-bottom: 2.5rem;
  text-align: center;
}

.grid-cards {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.info-card {
  background: rgba(236,232,226,0.10);
  border-radius: 1.1rem;
  box-shadow: 0 2px 12px 0 rgba(0,0,0,0.08);
  padding: 1.5rem 1.2rem;
  margin-bottom: 0;
  transition: box-shadow 0.2s;
}

.info-card:hover {
  box-shadow: 0 6px 24px 0 rgba(143,107,255,0.13);
}

h1, h2, h3 {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.2rem;
}

h2 {
  font-size: 1.4rem;
}

@media (max-width: 900px) {
  .grid-cards {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  main {
    padding: 1rem 0.5rem 2rem 0.5rem;
  }
  .hero-card {
    padding: 1.2rem 0.7rem 1rem 0.7rem;
  }
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.3rem;
  }
  h2 {
    font-size: 1.1rem;
  }
  .info-card {
    padding: 1rem 0.5rem;
  }
}

header, footer {
  background: var(--primary-color);
  color: #fff;
  padding: 1rem 0;
}

/* 优化导航栏容器样式 */
nav {
  width: 100vw;
  background: var(--void);
  overflow-x: auto;
  white-space: nowrap;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.2rem;
  margin: 0;
  padding: 0.5rem 1.5rem;
}

nav a {
  color: var(--ivory);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.2rem;
  padding: 0.4rem 1rem;
  border-radius: 0.5rem;
  transition: background 0.2s, color 0.2s;
}

nav a.active,
nav a:hover,
nav a:focus {
  background: rgba(143, 107, 255, 0.12);
  color: var(--amethyst);
}

footer {
  text-align: center;
  font-size: 0.95rem;
}

#hero {
  display: block;
  width: 100vw;
  height: 60vh;
  position: relative;
  z-index: 1;
  pointer-events: none;
}

@media (max-width: 900px) {
  nav ul {
    gap: 1.2rem;
    font-size: 1rem;
    padding: 0.5rem 0.5rem;
  }
}

@media (max-width: 600px) {
  nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.95rem;
    padding: 0.5rem 0.5rem;
  }
  nav {
    padding: 0;
  }
  main {
    margin: 1rem auto;
    padding: 0 0.5rem;
  }
}