/* ============================================================
   solution-detail.css — 方案详情页样式
   ============================================================ */

/* ---- 页面容器 ---- */
.solution-detail-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- 面包屑 ---- */
.solution-breadcrumb {
  padding: 24px 0 16px;
  font-size: 14px;
  color: var(--text-secondary, #666);
}
.solution-breadcrumb a {
  color: var(--text-secondary, #666);
  text-decoration: none;
  transition: color 0.2s;
}
.solution-breadcrumb a:hover {
  color: var(--brand, #1677CB);
}
.solution-breadcrumb span {
  margin: 0 8px;
  color: var(--text-tertiary, #999);
}
.solution-breadcrumb strong {
  color: var(--text-primary, #1a1a1a);
}

/* ---- 示意图 + 方案说明（合并区） ---- */
.solution-diagram-section {
  padding: 48px 0;
  border-top: 1px solid var(--line, #e5e5e5);
}
.solution-diagram-area {
  max-width: 960px;
  margin: 0 auto;
}

/* 图例上方的方案整体说明（按方案数据选择性显示） */
.solution-diagram-lead {
  margin: 0 0 28px;
  font-size: 16px;
  color: var(--text-secondary, #555);
  line-height: 1.8;
}

/* 方案说明（示意图下方） */
.solution-diagram-section .solution-intro-content {
  max-width: 800px;
  margin: 32px auto 0;
  font-size: 16px;
  color: var(--text-secondary, #555);
  line-height: 1.8;
}
.solution-diagram-section .solution-intro-content p {
  margin: 0 0 16px;
}
.solution-diagram-section .solution-intro-content p:last-child {
  margin-bottom: 0;
}

/* 涉及产品标签 */
.solution-diagram-section .solution-products-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  max-width: 800px;
  margin: 24px auto 0;
}

/* 占位状态 */
.solution-diagram-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  background: var(--surface-soft, #f8f8f8);
  border: 2px dashed var(--line, #ddd);
  border-radius: 0;
  color: var(--text-tertiary, #999);
}
.solution-diagram-placeholder-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.4;
}
.solution-diagram-placeholder p {
  font-size: 14px;
  margin: 0;
}

/* 图片展示 — 双列网格 */
.solution-diagram-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

/* 单图：居中 */
.solution-diagram-images.solution-diagram-col-1 {
  grid-template-columns: 1fr;
  max-width: 800px;
  margin: 0 auto;
}

/* 三图：前两行 2 列、第三行 1 列 */
.solution-diagram-images.solution-diagram-col-3 {
  grid-template-columns: repeat(2, 1fr);
}
.solution-diagram-images.solution-diagram-col-3 .solution-diagram-figure:last-child:nth-child(3) {
  grid-column: 1 / -1;
  max-width: 576px;
  justify-self: center;
}

/* 四图以上：双列网格 */
.solution-diagram-images.solution-diagram-col-4 {
  grid-template-columns: repeat(2, 1fr);
}

.solution-diagram-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}

.solution-diagram-figure-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #fff;
  border: 1px solid var(--line, #E8E8E8);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 主图：单图方案且有 specImages 时，容器放宽到 800px（由基础 .col-1 已统一，无需再覆盖） */

.solution-diagram-figure img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* 规格图廊（4 张小图） */
.solution-spec-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 800px;
  margin: 24px auto 0;
}
.solution-spec-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.solution-spec-item-img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #fff;
  border: 1px solid var(--line, #E8E8E8);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.solution-spec-item-img-wrap img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.solution-spec-item-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary, #555);
}

.solution-diagram-figcaption {
  width: 100%;
}

.solution-diagram-figcaption-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary, #1A1A1A);
  margin: 0 0 6px;
  line-height: 1.35;
}

.solution-diagram-figcaption-desc {
  font-size: 14px;
  color: var(--text-secondary, #666666);
  margin: 0;
  line-height: 1.6;
}

/* 每张图下方的方案简介片段（纯文字，无标题） */
.solution-diagram-product-desc {
  font-size: 14px;
  color: var(--text-secondary, #555555);
  margin: 0;
  line-height: 1.7;
  width: 100%;
}

/* 涉及产品标签里的具体样式（保留） */
.solution-products-label {
  font-size: 14px;
  color: var(--text-secondary, #666);
}
.solution-product-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--brand, #1677CB);
  background: rgba(22, 119, 203, 0.08);
  border: 1px solid rgba(22, 119, 203, 0.2);
  border-radius: 0;
  text-decoration: none;
  transition: all 0.2s;
}
.solution-product-tag:hover {
  background: var(--brand, #1677CB);
  color: #fff;
}

/* ---- 推荐产品 ---- */
.solution-recommend-section {
  padding: 48px 0;
  border-top: 1px solid var(--line, #e5e5e5);
}
.solution-recommend-section h2 {
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary, #1a1a1a);
  margin: 0 0 32px;
}
.solution-recommend-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-width: 640px;
  margin: 0 auto;
}

/* 推荐产品卡片 — 导航下拉小卡片风格 */
.solution-recommend-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 200px;
  background: #fff;
  border: 1px solid var(--line, #e8e8e8);
  border-radius: 0;
  overflow: hidden;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.solution-recommend-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  border-color: var(--brand, #1677CB);
}
.solution-recommend-card-img {
  width: 100%;
  height: 130px;
  overflow: hidden;
  background: var(--surface-soft, #f5f5f5);
  display: flex;
  align-items: center;
  justify-content: center;
}
.solution-recommend-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
}
.solution-recommend-card-body {
  padding: 10px 12px 12px;
  text-align: center;
}
.solution-recommend-card-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary, #1a1a1a);
  margin: 0;
  line-height: 1.35;
}
.solution-recommend-card-body p {
  font-size: 14px;
  color: var(--text-secondary, #888);
  line-height: 1.5;
  margin: 0;
}

/* ---- 移动端适配 ---- */
@media (max-width: 768px) {
  .solution-detail-page {
    padding: 0 16px;
  }
  .solution-diagram-section,
  .solution-recommend-section {
    padding: 32px 0;
  }
  .solution-recommend-section h2 {
    font-size: 20px;
    margin-bottom: 24px;
  }
  .solution-diagram-images {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .solution-diagram-images.solution-diagram-col-1,
  .solution-diagram-images.solution-diagram-col-3 .solution-diagram-figure:last-child:nth-child(3) {
    max-width: 100%;
  }
  .solution-diagram-figcaption-title {
    font-size: 15px;
  }
  .solution-diagram-figcaption-desc {
    font-size: 13px;
  }
  .solution-recommend-grid {
    justify-content: center;
    gap: 12px;
  }
  .solution-recommend-card {
    width: 160px;
  }
  .solution-recommend-card-img {
    height: 110px;
  }
  .solution-intro-content {
    font-size: 15px;
  }
  .solution-cta {
    padding: 40px 16px;
    margin: 0 -16px;
  }
  .solution-cta h2 {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .solution-breadcrumb {
    font-size: 13px;
  }
  .solution-diagram-placeholder {
    min-height: 180px;
  }
  .solution-recommend-card {
    width: 100%;
  }
  .solution-recommend-card-img {
    height: 100px;
  }
}