/* 基础排版重置 */
.floor-lamp-intro * {
  margin: 0; 
  padding: 0; 
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

/* 标题区样式 - 冷暖渐变背景 */
.intro-banner {
  width: 100%;
  min-height: 360px;
  /* 冷暖渐变：从暖橙到冷蓝的自然过渡 */
  background: linear-gradient(90deg, 
    #e67e22 0%, 
    #f39c12 30%, 
    #3498db 70%, 
    #2980b9 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  padding: 40px 20px;
  position: relative;
  overflow: hidden;
}

/* 细微光效纹理（增强灯光感） */
.intro-banner::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.7;
}

.banner-content {
  max-width: 700px;
  position: relative; /* 确保内容在纹理之上 */
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
  text-transform: uppercase;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.section-subtitle {
  font-size: 1.2rem;
  margin-bottom: 24px;
  line-height: 1.6;
  opacity: 0.95;
}

.section-desc {
  font-size: 1rem;
  line-height: 1.7;
  opacity: 0.95;
}

/* 辅助价值区 - 功能分类卡片 */
.intro-assets {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.asset-card {
  padding: 24px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.asset-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 暖色卡片 */
.warm-card {
  background: linear-gradient(180deg, #fff3e0 0%, #ffe0b2 100%);
}

.warm-card h3 {
  color: #e65100;
}

/* 中性色卡片 */
.neutral-card {
  background: linear-gradient(180deg, #f5f5f5 0%, #e0e0e0 100%);
}

.neutral-card h3 {
  color: #616161;
}

/* 冷色卡片 */
.cool-card {
  background: linear-gradient(180deg, #e3f2fd 0%, #bbdefb 100%);
}

.cool-card h3 {
  color: #0d47a1;
}

.asset-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.asset-card p {
  font-size: 0.95rem;
  line-height: 1.5;
  color: #545454;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .section-title {
    font-size: 1.8rem;
  }
  .section-subtitle {
    font-size: 1.1rem;
  }
  .intro-assets {
    grid-template-columns: 1fr;
  }
}