/* ========================================
   About Section - 原神介绍网站
   ======================================== */

.about-section {
  position: relative;
  z-index: 1;
}

.about-content {
  max-width: 720px;
  margin: 0 auto 60px;
  text-align: center;
}

.about-text {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 2;
}

.about-text strong {
  color: var(--color-accent-gold);
  font-weight: 600;
}

/* Info Cards Grid */
.about-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.about-card:hover {
  transform: translateY(-8px);
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(230, 180, 34, 0.08);
}

.about-card:hover::before {
  opacity: 1;
}

.about-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(230, 180, 34, 0.08);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.about-card:hover .about-card-icon {
  background: rgba(230, 180, 34, 0.15);
  transform: scale(1.1);
}

.about-card-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-accent-gold);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-card-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 10px;
}

.about-card-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Responsive */
@media (max-width: 1024px) {
  .about-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .about-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about-card {
    padding: 28px 20px;
  }

  .about-content {
    margin-bottom: 40px;
  }
}