/* 技术平台展示 */
.platforms {
  padding: var(--section-padding);
  position: relative;
}

.platforms-header {
  text-align: center;
  margin-bottom: 64px;
}

.platforms-header .section-desc {
  margin: 0 auto;
}

.platform-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.platform-tab {
  padding: 12px 28px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.platform-tab:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.platform-tab.active {
  background: rgba(0, 240, 255, 0.08);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.platform-content {
  display: none;
}

.platform-content.active {
  display: block;
  animation: fadeInUp 0.5s ease;
}

.platform-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.platform-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.platform-info .platform-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.platform-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.platform-feature {
  padding: 20px;
  border-radius: var(--radius-sm);
  background: rgba(0, 240, 255, 0.03);
  border: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.platform-feature:hover {
  border-color: rgba(0, 240, 255, 0.2);
  background: rgba(0, 240, 255, 0.06);
}

.platform-feature .feature-label {
  font-size: 0.8rem;
  color: var(--neon-cyan);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.platform-feature .feature-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

.platform-feature .feature-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.5;
}

/* 右侧技术参数面板 */
.platform-specs {
  padding: 32px;
}

.specs-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--neon-cyan);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table th,
.specs-table td {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.specs-table th {
  color: var(--text-muted);
  font-weight: 500;
  width: 100px;
  white-space: nowrap;
}

.specs-table td {
  color: var(--text-primary);
}

/* 核心功能模块列表 */
.module-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.module-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(0, 240, 255, 0.03);
  border: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.module-list li:hover {
  border-color: rgba(0, 240, 255, 0.2);
  background: rgba(0, 240, 255, 0.06);
}

.module-list li .module-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: rgba(0, 240, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}

/* 响应式 */
@media (max-width: 1024px) {
  .platform-detail {
    grid-template-columns: 1fr;
  }
  
  .platform-features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .platform-tabs {
    flex-wrap: wrap;
  }
  
  .platform-tab {
    padding: 10px 20px;
    font-size: 0.85rem;
  }
}