/* ============================================
   products.css - 产品中心 + 产品详情独立样式
   ============================================ */

/* ========== 产品列表页 ========== */
.prod-section {
  padding: 0.5rem 0 0.6rem;
}

.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.18rem;
}

.prod-item {
  background: #fff;
  border-radius: 0.06rem;
  overflow: hidden;
  border: 1px solid #eee;
  transition: all 0.4s;
}

.prod-item:hover {
  box-shadow: 0 12px 36px rgba(0,0,0,0.1);
  transform: translateY(-5px);
  border-color: #f5b400;
}

.prod-item .prod-img-wrap {
  width: 100%;
  height: 2.2rem;
  overflow: hidden;
  position: relative;
  background: #f5f6f8;
}

.prod-item .prod-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.15rem;
  transition: transform 0.5s;
}

.prod-item:hover .prod-img-wrap img {
  transform: scale(1.06);
}

.prod-item .prod-tag {
  position: absolute;
  left: 0.1rem;
  top: 0.1rem;
  background: #f5b400;
  color: #1a1a1a;
  font-size: 0.11rem;
  padding: 0.02rem 0.08rem;
  border-radius: 0.02rem;
  font-weight: 600;
}

.prod-item .prod-info {
  padding: 0.15rem 0.16rem 0.18rem;
}

.prod-item .prod-cat {
  font-size: 0.12rem;
  color: #999;
  margin-bottom: 0.04rem;
}

.prod-item h3 {
  font-size: 0.16rem;
  color: #1a3a5c;
  margin-bottom: 0.06rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 0.44rem;
}

.prod-item .prod-desc {
  font-size: 0.13rem;
  color: #888;
  margin-bottom: 0.08rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.prod-item .prod-more {
  display: inline-flex;
  align-items: center;
  gap: 0.04rem;
  font-size: 0.13rem;
  color: #005b8c;
  font-weight: 600;
}

.prod-item .prod-more:hover {
  color: #f5b400;
}

/* ========== 产品详情页 ========== */
.prod-detail-section {
  padding: 0.4rem 0 0;
}

.prod-detail-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

/* 左侧画廊：自适应高度，不固定死尺寸 */
.prod-gallery {
  position: sticky;
  top: 0.8rem;
}

.prod-main-img {
  width: 100%;
  /* ✅ 核心：用比例锁定容器高度，替代固定5rem，自适应所有屏幕 */
  /* 4/3是常见产品图比例，可根据你的实际图片比例调整（比如16/9、1/1） */
  aspect-ratio: 4 / 3;
  max-height:500px;
  border-radius: 0.06rem;
  overflow: hidden; /* 仅用于切圆角，不会裁剪图片 */
  margin-bottom: 0.15rem;
  background: #f5f6f8;
  position: relative;
}

.prod-main-img img {
  width: 100%;
  height: 100%;
 max-height:500px;
  object-fit: contain; /* ✅ 关键：完整展示图片，绝不裁剪 */
  padding: 0.2rem; /* 图片内边距，避免贴边 */
  transition: opacity 0.3s;
}

.prod-thumbs {
  display: flex;
  gap: 0.1rem;
  overflow-x: auto;
  padding-bottom: 0.06rem;
}

.prod-thumbs::-webkit-scrollbar {
  height: 3px;
}

.prod-thumbs::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 2px;
}

.prod-thumb {
  /* ✅ 缩略图比例和主图一致，自适应宽度 */
  aspect-ratio: 4 / 3;
  /* 宽度自适应：最小1rem，最大1.2rem，根据父容器宽度自动调整 */
  width: clamp(1rem, 18%, 1.2rem);
  flex-shrink: 0;
  border: 2px solid transparent;
  border-radius: 0.04rem;
  overflow: hidden;
  cursor: pointer;
  background: #f5f6f8;
  transition: all 0.3s;
}

.prod-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* ✅ 缩略图也完整展示，不裁剪 */
  padding: 0.06rem;
}

.prod-thumb.active,
.prod-thumb:hover {
  border-color: #f5b400;
}

/* 移动端适配：单列布局，优化触摸体验 */
@media (max-width: 768px) {
  .prod-detail-top {
    grid-template-columns: 1fr; /* 移动端上下排列，避免挤压 */
    gap: 0.3rem;
  }

  .prod-gallery {
    position: relative; /* 移动端取消sticky，避免滚动体验问题 */
    top: auto;
  }

  .prod-main-img {
    aspect-ratio: 16 / 9; /* 移动端用更宽的16:9比例，适配手机屏幕 */
    max-height: 60vh; /* 限制最大高度，避免超长图占满屏幕 */
  }

  .prod-thumb {
    width: clamp(1.2rem, 22%, 1.4rem); /* 移动端缩略图稍大，方便点击 */
  }
}



/* 右侧信息 */
.prod-info-panel h1 {
  font-size: 0.28rem;
  color: #1a3a5c;
  font-weight: 800;
  margin-bottom: 0.08rem;
  line-height: 1.3;
}

.prod-info-panel .prod-model {
  font-size: 0.14rem;
  color: #888;
  margin-bottom: 0.16rem;
  padding-bottom: 0.12rem;
  border-bottom: 1px solid #eee;
}

.prod-info-panel .prod-price-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.06rem;
  background: #fef8e7;
  color: #e6a800;
  font-size: 0.13rem;
  padding: 0.04rem 0.12rem;
  border-radius: 0.03rem;
  margin-bottom: 0.16rem;
}

.prod-info-panel .prod-summary {
  font-size: 0.15rem;
  color: #555;
  line-height: 1.9;
  margin-bottom: 0.2rem;
}

.prod-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.2rem;
  font-size: 0.14rem;
}

.prod-spec-table tr {
  border-bottom: 1px solid #f0f0f0;
}

.prod-spec-table tr:nth-child(even) {
  background: #fafbfc;
}

.prod-spec-table td {
  padding: 0.08rem 0.12rem;
}

.prod-spec-table td:first-child {
  color: #888;
  width: 30%;
  font-weight: 500;
}

.prod-spec-table td:last-child {
  color: #333;
}

.prod-actions {
  display: flex;
  gap: 0.12rem;
  margin-top: 0.2rem;
}

.prod-actions .btn-inquiry {
  display: inline-flex;
  align-items: center;
  gap: 0.06rem;
  background: #f5b400;
  color: #1a1a1a;
  padding: 0.1rem 0.28rem;
  border-radius: 0.03rem;
  font-size: 0.15rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.prod-actions .btn-inquiry:hover {
  background: #e6a800;
  transform: translateY(-2px);
}

.prod-actions .btn-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.06rem;
  background: #1a3a5c;
  color: #fff;
  padding: 0.1rem 0.28rem;
  border-radius: 0.03rem;
  font-size: 0.15rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.prod-actions .btn-phone:hover {
  background: #2a5a8c;
}

/* 详情内容区 */
.prod-detail-tabs {
  border-bottom: 2px solid #eee;
  display: flex;
  gap: 0;
  margin-bottom: 0.3rem;
}

.prod-detail-tabs .tab-btn {
  padding: 0.12rem 0.3rem;
  font-size: 0.16rem;
  color: #555;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
}

.prod-detail-tabs .tab-btn.active {
  color: #1a3a5c;
  border-bottom-color: #f5b400;
  font-weight: 700;
}

.prod-detail-tabs .tab-btn:hover {
  color: #1a3a5c;
}

.prod-tab-content {
  display: none;
  font-size: 0.15rem;
  color: #444;
  line-height: 1.9;
}

.prod-tab-content.active {
  display: block;
/*    width: 1400px;   */    /* 宽度从1500px改为1400px */
    margin: 0 auto;      /* 核心：水平居中（块级元素固定宽度后生效） */
    box-sizing: border-box; /* 防止内边距/边框撑大实际宽度 */
    /* 可选：加左右内边距避免内容贴边 */
    padding: 0 20px;
  
}

.prod-tab-content h3 {
  font-size: 0.2rem;
  color: #1a3a5c;
  margin-bottom: 0.12rem;
  padding-left: 0.1rem;
  border-left: 3px solid #f5b400;
}

.prod-tab-content p {
  margin-bottom: 0.12rem;
}

.prod-tab-content ul {
  padding-left: 0.2rem;
  margin-bottom: 0.15rem;
}

.prod-tab-content ul li {
  list-style: disc;
  margin-bottom: 0.06rem;
}

.prod-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.16rem;
  margin: 0.2rem 0;
}

.prod-feature-card {
  background: #f8f9fb;
  border-radius: 0.06rem;
  padding: 0.2rem;
  text-align: center;
  border: 1px solid #eee;
  transition: all 0.3s;
}

.prod-feature-card:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  transform: translateY(-3px);
}

.prod-feature-card i {
  font-size: 0.32rem;
  color: #f5b400;
  margin-bottom: 0.08rem;
  display: block;
}

.prod-feature-card h4 {
  font-size: 0.15rem;
  color: #1a3a5c;
  margin-bottom: 0.04rem;
}

.prod-feature-card p {
  font-size: 0.13rem;
  color: #888;
}

/* ========== 响应式 ========== */
@media (max-width: 1280px) {
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-detail-top { grid-template-columns: 1fr; gap: 0.25rem; }
  .prod-gallery { position: static; }
  .prod-main-img { height: 4rem; }
  .prod-feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 0.12rem; }
  .prod-item .prod-img-wrap { height: 4.6rem; }
  .prod-item .prod-info { padding: 0.1rem 0.12rem 0.14rem; }
  .prod-item h3 { font-size: 0.14rem; min-height: 0.38rem; }
  .prod-detail-tabs { overflow-x: auto; white-space: nowrap; }
  .prod-detail-tabs .tab-btn { padding: 0.1rem 0.18rem; font-size: 0.14rem; }
  .prod-feature-grid { grid-template-columns: 1fr; }
  .prod-actions { flex-wrap: wrap; }
  .prod-main-img { height: 3rem; }
  .prod-thumb { width: 1rem; height: 0.75rem; }
}

@media (max-width: 480px) {
  .prod-grid { grid-template-columns: 1fr; }
  .prod-info-panel h1 { font-size: 0.22rem; }
}






/* ===== 文章上下篇导航 ===== */
.post-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: .8rem 0;
    padding: .3rem 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.post-navigation a {
    display: inline-flex;
    align-items: center;
    max-width: 45%;
    padding: .15rem .25rem;
    color: #063f87;
    font-size: .16rem;
    line-height: 1.5;
    text-decoration: none;
    border-radius: .06rem;
    transition: all .3s ease;
    overflow: hidden;
}

.post-navigation a:hover {
    background: #f5f9ff;
    color: #1a73e8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(6, 63, 135, 0.1);
}

/* 上一篇样式 */
.post-navigation a.prev {
    padding-left: .35rem;
    position: relative;
}

.post-navigation a.prev::before {
    content: '←';
    position: absolute;
    left: .1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: .2rem;
    font-weight: bold;
    color: #063f87;
    transition: all .3s ease;
}

.post-navigation a.prev:hover::before {
    color: #1a73e8;
    transform: translateY(-50%) translateX(-3px);
}

/* 下一篇样式 */
.post-navigation a.next {
    padding-right: .35rem;
    position: relative;
    text-align: right;
}

.post-navigation a.next::after {
    content: '→';
    position: absolute;
    right: .1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: .2rem;
    font-weight: bold;
    color: #063f87;
    transition: all .3s ease;
}

.post-navigation a.next:hover::after {
    color: #1a73e8;
    transform: translateY(-50%) translateX(3px);
}

/* 标题文字样式 */
.post-navigation .nav-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
}

/* 禁用状态样式 */
.post-navigation a.disabled {
    color: #999;
    cursor: not-allowed;
    background: transparent;
}

.post-navigation a.disabled:hover {
    background: transparent;
    transform: none;
    box-shadow: none;
}

.post-navigation a.disabled::before,
.post-navigation a.disabled::after {
    color: #999;
}

/* ===== 响应式适配 ===== */
@media (max-width: 1024px) {
    .post-navigation a {
        max-width: 48%;
        font-size: .15rem;
    }
}

@media (max-width: 768px) {
    .post-navigation {
        flex-direction: column;
        gap: .2rem;
    }
    
    .post-navigation a {
        max-width: 100%;
        width: 100%;
        justify-content: flex-start;
    }
    
    .post-navigation a.next {
        justify-content: flex-end;
    }
}

@media (max-width: 480px) {
    .post-navigation a {
        font-size: .14rem;
        padding: .12rem .2rem;
    }
    
    .post-navigation a.prev {
        padding-left: .3rem;
    }
    
    .post-navigation a.next {
        padding-right: .3rem;
    }
    
    .post-navigation a.prev::before,
    .post-navigation a.next::after {
        font-size: .18rem;
    }
}







/* 上下篇导航 */
.case-prev-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.15rem;
  margin-top: 0.4rem;
  padding-top: 0.25rem;
  border-top: 1px solid #eee;
}

.case-prev-next a {
  display: block;
  padding: 0.12rem 0.16rem;
  background: #f8f9fb;
  border-radius: 0.04rem;
  font-size: 0.14rem;
  color: #444;
  transition: all 0.3s;
  border: 1px solid #eee;
}

.case-prev-next a:hover {
  background: #1a3a5c;
  color: #fff;
  border-color: #1a3a5c;
}

.case-prev-next .prev {
  text-align: left;
}

.case-prev-next .next {
  text-align: right;
}

.case-prev-next .pn-label {
  font-size: 0.12rem;
  color: #999;
  display: block;
  margin-bottom: 0.02rem;
}

/* ========== 响应式 ========== */
@media (max-width: 1280px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .case-gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); gap: 0.15rem; }
  .case-card .case-img { height: 2rem; }
  .case-detail-header h1 { font-size: 0.24rem; }
}

@media (max-width: 768px) {
  .cases-grid { grid-template-columns: 1fr; }
  .case-card .case-img { height: 2.2rem; }
  .case-detail-header h1 { font-size: 0.2rem; }
  .case-detail-header .case-info-row { gap: 0.12rem; font-size: 0.12rem; }
  .case-detail-body { font-size: 0.14rem; }
  .case-gallery { grid-template-columns: 1fr; }
  .case-gallery img { height: 2.2rem; }
  .case-prev-next { grid-template-columns: 1fr; }
}