.buttonPart {
  width: 1200px;
  min-height: 50px;
  margin: 0 auto;
  margin-top: 30px;


  display: flex;
  justify-content: center;
  border-bottom: 1px solid #ccc;
  gap: 50px;
}

.buttonList1 {
  width: 100%;
  height: 70px;
  padding-left: 20px;
  padding-right: 20px;
  line-height: 1.2;
  padding-top: 15px;

  /* 文字自动换行 */
  word-break: break-word;
  overflow-wrap: break-word;
  text-transform:uppercase;

  font-size: 18px;
  font-weight: bold;
  text-align: center;

  color: #333;
  cursor: pointer; 

  /* 默认边框隐藏 */
  border-bottom: 2px solid transparent;

  /* 平滑过渡动画 */
  transition: color 0.3s ease, border-bottom 0.3s ease;
}

/* 默认选中的样式 */
.buttonList1.active {
  color: #6cbf3b;
  border-bottom: 2px solid #6cbf3b;
}

/* 鼠标悬停高亮效果 */
.buttonList1:hover {
  color: #6cbf3b;
  border-bottom: 2px solid #6cbf3b;
}


@media (max-width: 768px) {
  .buttonPart {
    width: 100%;
    flex-direction: column; /* 让按钮纵向排列 */
    gap: 10px; /* 减小间距 */
    align-items: center; /* 居中 */
    border-bottom: none;
  }

  .buttonList1 {
    width: 90%; /* 调整宽度，适应小屏幕 */
    height: auto;
    padding: 10px 15px;
    font-size: 14px; /* 缩小字体 */
    line-height: 1.5;
  }
}

/* ============================================ */

/* PC端样式 */
.contentOne {
  width: 1200px;
  min-height: 500px;
  margin-top: 30px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

.contentOneList {
  width: 550px;
  min-height: 500px;
}

.contentOneList h3 {
  margin-top: 100px;
  font-size: 42px;
  width: 450px;
}

.contentOneList p {
  margin-top: 20px;
}

.contentOneList button {
  width: 100px;
  height: 30px;
  margin-top: 30px;
  line-height: 30px;
  border-radius: 30px;
  border: 1px solid #6cbf3b;
  background: #fff;
  color: #6cbf3b;
  cursor: pointer;
  transition: background 0.3s ease;
}

/* 鼠标悬浮按钮变化 */
.contentOneList button:hover {
  background: #6cbf3b;
  color: #fff;
}

/* 图片样式 */
.contentOneList img {
  margin-top: 80px;
  margin-left: 80px;
  max-width: 100%;
  height: auto;
}

/* 手机端适配 */
@media (max-width: 768px) {
  .contentOne {
    width: 100%;
    flex-direction: column; /* 改为垂直布局 */
    align-items: center; /* 居中对齐 */
    gap: 20px;
  }

  .contentOneList {
    width: 90%;
    min-height: auto;
    text-align: center;
  }

  .contentOneList h3 {
    font-size: 24px; /* 缩小标题字体 */
    margin-top: 20px;
    width: 100%;
  }

  .contentOneList p {
    font-size: 14px;
    line-height: 1.6;
  }

  .contentOneList button {
    width: 80%;
    height: 40px;
    line-height: 40px;
    font-size: 16px;
  }

  .contentOneList img {
    margin: 0; /* 让图片居中显示 */
    width: 80%;
  }
}


/* ================================================== */



/* ------- PC端样式 (保留原有) ------- */
.banner-container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  width: 100%;
  height: 900px;
  background: url('../images/energy/buttonBG.png') no-repeat center center/cover;
  position: relative;
}

/* 每个板块 */
.banner-item {
  position: relative;
  z-index: 2;
  height: 100%;
  width: 33.3%;
  text-align: center;
  color: #fff;
  cursor: pointer;
  transition: transform 0.3s ease;
  background: rgba(0, 0, 0, 0.2);
}

/* 图片样式 */
.banner-item img {
  margin-bottom: 10px;
  padding-top: 100%;
  width: 70px;
  transition: transform 0.3s ease;
}

/* 文字默认居中 */
.banner-item span {
  font-size: 12px;
  display: block;
  margin-bottom: 10px;
  padding-top: 10px;
  width: 130px;
  margin-left: 39%;
  transition: transform 0.3s ease;
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.9);
}

/* "了解详情"按钮默认隐藏 */
.detail-btn {
  display: none;
  padding: 8px 15px;
  border: 1px solid black;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 12px;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

/* 鼠标悬停时当前 item 变亮 */
.banner-item:hover {
  background: transparent;
}

/* 其他未选中的 item 变暗 */
.banner-item:not(:hover) {
  background: rgba(0, 0, 0, 0.35);
  /* filter: brightness(0.5); */
}

/* 鼠标悬停文字上移，按钮出现 */
.banner-item:hover span {
  transform: translateY(-10px);
}
.banner-item:hover img {
  transform: translateY(-10px);
}

/* 按钮淡入效果 */
.banner-item:hover .detail-btn {
  display: inline-block;
  animation: fadeIn 0.3s ease;
  border: 1px solid #fff;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 按钮悬停变化 */
.detail-btn:hover {
  background-color: rgba(108, 191, 59, 1);
  border: none;
}

/* ------- 手机端适配 (新增) ------- */
@media (max-width: 768px) {
  /* 容器垂直排列 */
  .banner-container {
    flex-direction: column;
    height: auto;
    gap: 15px;
  }

  /* 每个 item 调整大小、居中显示 */
  .banner-item {
    width: 100%;
    height: auto;
    padding: 15px 0;
  }

  /* 图片缩小适配 */
  .banner-item img {
    width: 70%;
    padding-top: 20px;
    margin-bottom: 5px;
  }

  /* 文字字体和按钮调整 */
  .banner-item span {
    font-size: 14px;
    width: auto;
    margin-left: 0;
  }

  /* 按钮适配 */
  .detail-btn {
    font-size: 14px;
    padding: 10px 20px;
  }

  /* 鼠标悬停的效果改成点击触发 */
  .banner-item:hover span,
  .banner-item:hover img {
    transform: translateY(0);
  }

  .banner-item:active .detail-btn {
    display: inline-block;
  }
}


/* ==================================================== */





















/* ------- PC端原有样式 (保留) ------- */
.feature-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  background: #fff;
  width: 1300px;
  margin: 0 auto;
  margin-bottom: 20px;
}

/* 单个功能块 */
.feature-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  width: 150px;
  height: 150px;
  text-align: center;
  color: #555;
  font-size: 14px;
  transition: transform 0.3s ease;
}

/* 图片大小 */
.feature-item img {
  min-width: 60px;
  min-height: 60px;
  margin-bottom: 8px;
}

/* 鼠标悬停放大效果 */
.feature-item:hover {
  transform: translateY(-5px);
  color: #e63946;
}

/* 分割线 */
.divider {
  width: 1px;
  height: 60px;
  background-color: #ddd;
}

/* ------- 手机端适配 (新增) ------- */
@media (max-width: 768px) {
  /* 容器两列排列 */
  .feature-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start; /* 靠左对齐 */
    gap: 15px;
    width: 100%;
    padding: 10px;
  }

  /* 每个功能块 */
  .feature-item {
    width: calc(50% - 7.5px); /* 确保两列有间距 */
    max-width: 150px;
    height: auto;
    font-size: 10px;
  }

  .feature-item img {
    width: 50px;
    height: 50px;
  }

  /* 分割线隐藏 */
  .divider {
    display: none;
  }

  /* 单独处理最后一行的单个元素靠左 */
  .feature-item:nth-child(odd):last-child {
    width: 100%; /* 让最后一个独占整行 */
  }
}



/* ======================================= */




/* 基础布局 */
.service-advantages {
  position: relative;
  width: 100%;
  height: 100vh;
  background: url('../images/energy/1.png') no-repeat center center/cover;
  color: #fff;
  display: flex;
  align-items: center;
  padding-left: 8%;
}

/* 文字内容区域 */
.content {
  max-width: 400px;
}

/* 标题样式 */
.content h1 {
  font-size: 42px;
  font-weight: bold;
  margin-bottom: 5px;
}

.content h2 {
  font-size: 24px;
  margin-bottom: 20px;
}

.content h2 span {
  color: #FFD700;
}

/* 每项优势样式 */
.advantage-item {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.advantage-item img {
  width: 40px;
  height: 40px;
  margin-right: 15px;
}

.advantage-item strong {
  font-size: 18px;
  line-height: 1.4;
}

.advantage-item p {
  font-size: 14px;
  opacity: 0.8;
}

/* --------------------- 手机端适配 --------------------- */
@media (max-width: 768px) {
  /* 内容上下居中，整体更紧凑 */
  .service-advantages {
    flex-direction: column;
    padding: 20px;
    height: auto;
    align-items: flex-start;
    justify-content: center;
  }

  /* 内容区域改为居中对齐 */
  .content {
    text-align: center;
    max-width: 100%;
  }

  /* 标题缩小一点，更适合小屏幕 */
  .content h1 {
    font-size: 24px;
    margin-bottom: 10px;
  }

  .content h2 {
    font-size: 18px;
  }

  /* 每项优势改为竖排显示，图标+文字居中 */
  .advantage-item {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
  }

  /* 图片缩小适配 */
  .advantage-item img {
    width: 30px;
    height: 30px;
    margin-right: 0;
    margin-bottom: 8px;
  }

  /* 文字缩小一点，但保留层次感 */
  .advantage-item strong {
    font-size: 16px;
  }

  .advantage-item p {
    font-size: 12px;
  }
}

/* -------- 超小屏幕适配 (iPhone SE / 折叠屏) -------- */
@media (max-width: 480px) {
  .content h1 {
    font-size: 20px;
  }

  .content h2 {
    font-size: 16px;
  }

  .advantage-item strong {
    font-size: 14px;
  }

  .advantage-item p {
    font-size: 10px;
  }
}


/* ============================================== */


.container2 {
  width: 70%;
  margin: 50px auto;
}

/* Header 部分 */
.header2 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 70px;
}

/* 标题样式 */
.header2 h2 {
  font-size: 36px;
  font-weight: bold;
  color: black;
}

/* 切换按钮区域 */
.toggle-buttons2 {
  display: flex;
  background: #e0e0e0;
  border-radius: 30px;
}

/* 切换按钮样式 */
.toggle-buttons2 button {
  border: none;
  padding: 10px 45px;
  cursor: pointer;
  border-radius: 30px;
  background: none;
  font-size: 14px;
  font-weight: bold;
}

/* 当前选中按钮 */
.toggle-buttons2 .active2 {
  background: #4CAF50;
  color: white;
}

/* 产品卡片布局 */
.products2 {
  display: flex;
  justify-content: flex-start;
  gap: 3%;
  flex-wrap: wrap; /* 禁止换行 */
}

/* 单个产品卡片样式 */
.products2 > .product-card2 {
  background: #f0f0f0;
  color: white;
  width: calc((100% - 6%) / 3);
            box-sizing: border-box;
  padding: 20px;
  border-radius: 10px;
  transition: all 0.3s ease-in-out;
  cursor: pointer;
  margin-bottom:3%;
  
  
  
}

.products2 .protitle{display: flex;justify-content: space-between; align-items: center;}

/* 鼠标悬停效果 */
.product-card2:hover {
  background: white;
  color: black;
  transform: scale(1.05);
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
}

/* 产品图片 */
.product-card2 img {
  width: 100%;
  border-radius: 5px;
}

/* 产品标题 */
.product-card2 h3 {
  width: 72%;
  font-size: 20px;
  font-weight: bold;
  margin: 10px 0;
  color: black;
}
.product-card2 h3 p{
 font-size: 16px;
  font-weight: 100;
  color: #666;
  margin-top:10px;
}
/* "More"按钮 */
.product-card2 .more-btn2 {
  background: #4CAF50;
  color: white;
  border: none;
  height: 30px;
  width: 70px;
  border-radius: 30px;
  font-size: 12px;
  cursor: pointer;
}

/* "更多产品"按钮 */
.more-products2 {
  margin-top: 30px;
  text-align: center;
}

.more-products2 button:hover {
   border:1px solid #fe8403;
   color:#fe8403;
}

.more-products2 button {
  background: none;
  border: 1px solid #999;
  padding: 6px 30px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 10px;
  color:#666;
}

/* ---------------- 手机端适配 ---------------- */
@media (max-width: 768px) {
  .container2 {
    width: 100%;
    padding: 0 10px;
    margin: 30px auto;
  }

  /* 标题缩小 */
  .header2 h2 {
    font-size: 24px;
  }

  /* 切换按钮紧凑 */
  .toggle-buttons2 button {
    padding: 8px 20px;
    font-size: 12px;
  }

  /* 产品卡片布局改为两列 */
  .products2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 两列布局 */
    gap: 20px;
  }

  /* 单个产品卡片样式 */
  .product-card2 {
    width: 100%; /* 宽度自适应 */
    padding: 15px;
    box-sizing: border-box; /* 确保padding不撑大卡片 */
  }

  /* 标题字体缩小 */
  .product-card2 h3 {
    font-size: 18px;
    width: 100%;
    text-align: center;
  }

  /* "More"按钮缩小一点 */
  .product-card2 .more-btn2 {
    width: 60px;
    height: 25px;
    font-size: 10px;
  }

  /* 当最后一个产品是单独一列时，保持宽度不变并靠左 */
  .product-card2:nth-child(odd):last-child {
    grid-column: span 1; /* 只占1列 */
    justify-self: start; /* 靠左对齐 */
  }

  /* 更多产品按钮居中+缩小 */
  .more-products2 button {
    padding: 8px 15px;
    font-size: 12px;
  }
}

/* 超小屏幕适配 (iPhone SE / 折叠屏) */
@media (max-width: 480px) {
  .header2 h2 {
    font-size: 20px;
  }

  .toggle-buttons2 button {
    padding: 5px 15px;
    font-size: 10px;
  }

  .product-card2 h3 {
    font-size: 16px;
  }

  .product-card2 .more-btn2 {
    
	display:none;
  }

  .more-products2 button {
    font-size: 10px;
  }
}




/* ========================================== */
.energy-system3 {
  text-align: center;
  margin-top: 20px;
  font-family: 'Arial', sans-serif;
}

/* 主标题样式 */
.title3 {
  font-size: 46px;
  font-weight: bold;
  color: #333;
  margin-bottom: 5px;
  font-family:Arial;
}

 
.title4 {
  font-size: 42px;
  font-weight: bold;
  color: #333;
  margin-bottom: 0px;
  font-family:Arial;
  line-height:1.25;
}


/* 绿色高亮部分 */
.title3 .highlight3 {
  color: #6cbf3b;
}
.title4 .highlight3 {
  color: #6cbf3b;
}


/* 灰色部分 */
.title3 .normal3 {
  color: #555;
}


.title4 .normal3 {
  color: #555;
}

/* 副标题样式 */
.subtitle3 {
  font-size: 18px;
  color: #999;
  margin-top: 0;
}

.subtitle4 {
  font-size: 28px;
  color: #999;
  margin-top: 0;
  letter-spacing:2px;
}

/* 图片宽度保证100%适配 */
.energy-system3 img {
  width: 100%;
  height: auto;
}

/* ------- 手机端适配 (新增) ------- */
@media (max-width: 768px) {
  /* 标题变小，间距更紧凑 */
  .title3 {
    font-size: 20px;
    margin-bottom: 3px;
  }

  .subtitle3 {
    font-size: 14px;
    margin-bottom: 10px;
  }

  /* 图片适配屏幕宽度，避免超出 */
  .energy-system3 img {
    width: 100%;
    height: auto;
	
  }
  
  
  
	.products2 > .product-card2 {
		padding:2px;
		width:100%;
	}
	
	
}

/* ------- 超小屏幕（比如 iPhone SE）适配 ------- */
@media (max-width: 480px) {
  .title3 {
    font-size: 16px;
  }

  .subtitle3 {
    font-size: 12px;
  }
}