/* ============================================================
   宝塑管业官网 · 内页专用样式（产品详情/解决方案/案例等）
   ============================================================ */

/* ============================ 产品详情布局 ============================ */
.product-detail {
  display: grid;
  grid-template-columns: calc(50% - 1px) calc(50% + 1px);
  gap: var(--space-2xl);
  align-items: start;
}
.product-gallery__main {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-md);
}
.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-gallery__main--auto {
  aspect-ratio: auto;
  height: auto;
}
.product-gallery__main--auto img {
  height: auto;
  object-fit: contain;
}
.product-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.product-gallery__thumb {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition-fast);
  background: var(--color-bg-alt);
}
.product-gallery__thumb.is-active,
.product-gallery__thumb:hover { border-color: var(--color-primary); }
.product-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ============================ 产品中心 · 主打产品左图右文卡片 ============================ */
.hero-product-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
/* 左图右文布局 */
.hero-product-card--lr {
  display: flex;
  flex-direction: row;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}
.hero-product-card__media {
  flex: 0 0 45%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.hero-product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.hero-product-card:hover .hero-product-card__media img {
  transform: scale(1.05);
}
.hero-product-card__body {
  flex: 1;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
}
.hero-product-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--color-accent);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--space-md);
}
.hero-product-card__title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.hero-product-card__desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}
.hero-product-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  list-style: none;
  padding: 0;
}
.hero-product-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--color-text);
}
.hero-product-card__features li svg {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}
.hero-product-card__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ============================ 工程案例新版列表 ============================ */
.case-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: var(--space-xl);
  align-items: stretch;
  margin-bottom: var(--space-2xl);
}
.case-feature {
  position: relative;
  min-height: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--color-primary);
}
.case-feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  opacity: 0.82;
}
.case-feature__content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-2xl);
  color: #fff;
  background: linear-gradient(180deg, rgba(5, 23, 48, 0.08), rgba(5, 23, 48, 0.86));
}
.case-feature__tag {
  width: fit-content;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  text-decoration: none;
}
.case-feature__title {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}
.case-feature__title a {
  color: inherit;
  text-decoration: none;
}
.case-feature__desc {
  max-width: 680px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: var(--space-lg);
}
.case-feature__meta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}
.case-feature__meta span {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  font-size: 0.875rem;
}
.case-side {
  display: grid;
  gap: var(--space-md);
}
.case-side-card {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: var(--space-md);
  padding: var(--space-md);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.case-side-card:hover {
  transform: translateY(-4px);
  border-color: rgba(14, 95, 181, 0.28);
  box-shadow: var(--shadow-md);
}
.case-side-card img {
  width: 116px;
  height: 92px;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.case-side-card__tag {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
}
.case-side-card h3 {
  font-size: 1rem;
  line-height: 1.45;
  margin-bottom: 6px;
}
.case-side-card h3 a {
  color: var(--color-text);
  text-decoration: none;
}
.case-side-card p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}
.case-list-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  align-items: end;
  margin-bottom: var(--space-xl);
}
.case-list-head h2 {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}
.case-list-head p {
  color: var(--color-text-secondary);
}
.case-list {
  display: grid;
  gap: var(--space-lg);
}
.case-list-card {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.case-list-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(14, 95, 181, 0.24);
}
.case-list-card__media {
  min-height: 220px;
  overflow: hidden;
}
.case-list-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.case-list-card:hover .case-list-card__media img {
  transform: scale(1.05);
}
.case-list-card__body {
  padding: var(--space-xl);
}
.case-list-card__top {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}
.case-list-card__tag,
.case-list-card__product {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
}
.case-list-card__tag {
  background: var(--color-primary-50);
  color: var(--color-primary);
}
.case-list-card__product {
  background: rgba(255, 122, 26, 0.12);
  color: var(--color-accent);
}
.case-list-card__title {
  font-size: 1.375rem;
  margin-bottom: var(--space-sm);
}
.case-list-card__title a {
  color: var(--color-text);
  text-decoration: none;
}
.case-list-card__desc {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}
.case-list-card__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ============================ 工程案例栏目列表重排 ============================ */
.case-listing-section {
  background:
    radial-gradient(circle at 8% 8%, rgba(14, 95, 181, 0.08), transparent 30%),
    linear-gradient(180deg, #fff 0%, var(--color-bg-alt) 100%);
}
.case-category-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}
.case-category-nav__item {
  display: grid;
  grid-template-columns: 54px 1fr;
  column-gap: var(--space-md);
  row-gap: 4px;
  align-items: center;
  min-height: 132px;
  padding: var(--space-lg);
  background: #fff;
  border: 1px solid rgba(14, 95, 181, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.case-category-nav__item:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 95, 181, 0.35);
  box-shadow: var(--shadow-md);
}
.case-category-nav__icon {
  grid-row: span 2;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #fff;
  font-weight: 800;
  font-size: 1.125rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  box-shadow: 0 10px 24px rgba(14, 95, 181, 0.22);
}
.case-category-nav__item strong {
  color: var(--color-text);
  font-size: 1.125rem;
}
.case-category-nav__item em {
  color: var(--color-text-secondary);
  font-style: normal;
  line-height: 1.6;
  font-size: 0.875rem;
}
.case-directory {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: start;
}
.case-directory__aside {
  position: sticky;
  top: 96px;
  display: grid;
  gap: var(--space-lg);
}
.case-filter-panel,
.case-consult-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.case-filter-panel {
  padding: var(--space-xl);
}
.case-filter-panel__eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
}
.case-filter-panel h2 {
  font-size: 1.375rem;
  margin-bottom: var(--space-sm);
}
.case-filter-panel p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}
.case-filter-panel__tabs {
  display: grid;
  gap: 10px;
}
.case-filter-panel__tabs .solution-tab {
  width: 100%;
  justify-content: center;
  background: #fff;
}
.case-filter-panel__tabs .solution-tab.is-active {
  background: var(--color-primary);
}
.case-consult-card {
  padding: var(--space-xl);
  background:
    linear-gradient(135deg, rgba(14, 95, 181, 0.94), rgba(7, 55, 112, 0.96)),
    var(--color-primary);
  color: #fff;
}
.case-consult-card strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}
.case-consult-card p {
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}
.case-directory__main {
  display: grid;
  gap: var(--space-xl);
}
.case-hero-strip {
  display: grid;
  grid-template-columns: 42% minmax(0, 1fr);
  min-height: 340px;
  background: #fff;
  border: 1px solid rgba(14, 95, 181, 0.16);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.case-hero-strip__media {
  overflow: hidden;
  background: var(--color-bg-alt);
}
.case-hero-strip__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.case-hero-strip:hover .case-hero-strip__media img {
  transform: scale(1.05);
}
.case-hero-strip__body {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.case-card-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}
.case-card-meta a,
.case-card-meta span {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-50);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
}
.case-card-meta span:nth-child(n + 2) {
  background: rgba(255, 122, 26, 0.12);
  color: var(--color-accent);
}
.case-hero-strip h2 {
  font-size: clamp(1.625rem, 2.4vw, 2.25rem);
  line-height: 1.25;
  margin-bottom: var(--space-md);
}
.case-hero-strip h2 a,
.case-directory-card h3 a {
  color: var(--color-text);
  text-decoration: none;
}
.case-hero-strip p {
  color: var(--color-text-secondary);
  line-height: 1.85;
  margin-bottom: var(--space-lg);
}
.case-hero-strip__facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.case-hero-strip__facts span {
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  line-height: 1.5;
}
.case-hero-strip__facts b {
  display: block;
  color: var(--color-primary);
  font-size: 1rem;
}
.case-directory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}
.case-directory-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.case-directory-card:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 95, 181, 0.28);
  box-shadow: var(--shadow-md);
}
.case-directory-card__media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.case-directory-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.case-directory-card:hover .case-directory-card__media img {
  transform: scale(1.06);
}
.case-directory-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-lg);
}
.case-directory-card h3 {
  font-size: 1.25rem;
  line-height: 1.45;
  margin-bottom: var(--space-sm);
}
.case-directory-card p {
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}
.case-directory-card__links {
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.case-directory-card__links a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
}

/* ============================ 工程案例统一列表 ============================ */
.case-simple-section {
  background: linear-gradient(180deg, #fff 0%, var(--color-bg-alt) 100%);
}
.case-simple-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}
.case-simple-filter__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  padding: 12px 24px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--color-text-secondary);
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition);
}
.case-simple-filter__item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.case-simple-filter__item.is-active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}
.case-simple-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-xl);
}
.case-simple-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.case-simple-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 95, 181, 0.28);
  box-shadow: var(--shadow-md);
}
.case-simple-card__media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.case-simple-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.case-simple-card:hover .case-simple-card__media img {
  transform: scale(1.06);
}
.case-simple-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-lg);
}
.case-simple-card__meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}
.case-simple-card__meta a,
.case-simple-card__meta span {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
}
.case-simple-card__meta a {
  background: var(--color-primary-50);
  color: var(--color-primary);
}
.case-simple-card__meta span {
  background: rgba(255, 122, 26, 0.12);
  color: var(--color-accent);
}
.case-simple-card__title {
  font-size: 1.25rem;
  line-height: 1.45;
  margin-bottom: var(--space-sm);
}
.case-simple-card__title a {
  color: var(--color-text);
  text-decoration: none;
}
.case-simple-card__desc {
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}
.case-simple-card__actions {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
.case-simple-card__actions a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
}

/* 产品信息侧 */
.product-info__tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary-50);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}
.product-info__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}
.product-info__desc {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}
/* 规格参数表 */
.spec-table {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}
.spec-table th,
.spec-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--color-border);
}
.spec-table tr:last-child th,
.spec-table tr:last-child td { border-bottom: none; }
.spec-table th {
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-weight: 600;
  width: 35%;
}
.spec-table td { color: var(--color-text-secondary); }

/* ============================ 特性列表 ============================ */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9375rem;
  line-height: 1.6;
}
.feature-list svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================ 应用领域标签 ============================ */
.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.app-tag {
  padding: 8px 18px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.app-tag:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ============================ 产品荣誉 ============================ */
.product-honor-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
.product-honor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.product-honor-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.product-honor-card__icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary-50);
  color: var(--color-primary);
}
.product-honor-card span {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}

/* ============================ 数字化解决方案横幅 ============================ */
.solution-banner {
  background: linear-gradient(135deg, #1a3a5c 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
  padding: 0;
  position: relative;
  overflow: hidden;
}
.solution-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.solution-banner__inner {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  padding: var(--space-3xl) 0;
  position: relative;
  z-index: 1;
}
.solution-banner__icon {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.15);
  color: #fff;
  backdrop-filter: blur(4px);
}
.solution-banner__content {
  flex: 1;
  min-width: 0;
}
.solution-banner__label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-sm);
}
.solution-banner__title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
  margin-bottom: var(--space-xs);
}
.solution-banner__desc {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 0;
  max-width: 560px;
}
.solution-banner__action {
  flex-shrink: 0;
}
.solution-banner__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-pill);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.solution-banner__link:hover {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.solution-banner__link svg {
  transition: transform var(--transition-fast);
}
.solution-banner__link:hover svg {
  transform: translateX(4px);
}

/* ============================ FAQ 折叠面板 ============================ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item[open] { box-shadow: var(--shadow-sm); }
.faq-item__summary {
  padding: var(--space-md) var(--space-lg);
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}
.faq-item__summary::-webkit-details-marker { display: none; }
.faq-item__summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item[open] .faq-item__summary::after { transform: rotate(45deg); }
.faq-item__answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============================ 内容区块标题 ============================ */
.content-block {
  margin-bottom: var(--space-2xl);
}
.content-block:last-child { margin-bottom: 0; }
.content-block__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
}

/* ============================ 解决方案详情 ============================ */
.solution-hero {
  position: relative;
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  overflow: hidden;
}
.solution-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}
.solution-hero__title { font-size: 2.5rem; margin-bottom: var(--space-md); }
.solution-hero__desc { font-size: 1.125rem; opacity: 0.9; line-height: 1.8; }

/* 解决方案架构步骤 */
.solution-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  counter-reset: step;
}
.solution-step {
  position: relative;
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  counter-increment: step;
}
.solution-step::before {
  content: "0" counter(step);
  font-family: var(--font-num);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary-50);
  position: absolute;
  top: 12px;
  right: 16px;
}
.solution-step__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.solution-step__desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================ 案例筛选 + 详情 ============================ */
.case-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* ============================ 新闻列表 ============================ */
.news-list {
  max-width: 900px;
  margin: 0 auto;
}
.news-list-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}
.news-list-item:last-child { border-bottom: none; }
.news-list-item__media {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg-alt);
}
.news-list-item__media img { width: 100%; height: 100%; object-fit: cover; }
.news-list-item__date {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.news-list-item__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.news-list-item__title:hover { color: var(--color-primary); }
.news-list-item__excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================ 关于宝塑：发展历程竖向时间线 ============================ */
.vertical-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.vertical-timeline__line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 80px;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--color-primary), transparent);
}
.vertical-timeline__track {
  position: relative;
}
.vertical-timeline__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  padding: var(--space-md) 0;
  position: relative;
}
.vertical-timeline__item[data-vt-hidden] {
  display: none;
}
.vertical-timeline__item.is-visible {
  display: flex;
  animation: vtFadeIn 0.4s ease;
}
@keyframes vtFadeIn {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}
.vertical-timeline__node {
  flex-shrink: 0;
  width: 80px;
  text-align: right;
  padding-right: var(--space-lg);
  position: relative;
}
.vertical-timeline__year {
  font-family: var(--font-num);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.vertical-timeline__dot {
  position: absolute;
  top: 4px;
  right: -7px;
  width: 14px;
  height: 14px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.16);
}
.vertical-timeline__card {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
}
.vertical-timeline__card h3 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
}
.vertical-timeline__card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}
.vertical-timeline__more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: var(--space-lg) auto 0;
  padding: 10px 28px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.vertical-timeline__more:hover {
  background: var(--color-primary);
  color: #fff;
}
.vertical-timeline__more svg {
  transition: transform var(--transition-fast);
}
.vertical-timeline__more[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

/* ============================ 关于宝塑：荣誉资质网格 ============================ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
.cert-grid__item {
  text-align: center;
}
.cert-grid__media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-alt);
  margin-bottom: var(--space-sm);
}
.cert-grid__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cert-grid__item h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
}
.cert-grid__item[data-cert-hidden] {
  display: none;
}
.cert-grid__item[data-cert-hidden].is-visible {
  display: block;
  animation: certFadeIn 0.4s ease;
}
@keyframes certFadeIn {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}
.cert-grid__more {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: var(--space-md) auto 0;
  padding: 10px 28px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.cert-grid__more:hover {
  background: var(--color-primary);
  color: #fff;
}
.cert-grid__more svg {
  transition: transform var(--transition-fast);
}
.cert-grid__more[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

/* 移动端荣誉资质选项卡 */
.cert-tabs-mobile {
  display: none;
}
.cert-tab {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  background: var(--color-bg);
}
.cert-tab__btn {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 0;
  background: transparent;
  font-size: 0.9375rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
}
.cert-tab__btn::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}
.cert-tab.is-open .cert-tab__btn::after {
  content: "−";
}
.cert-tab__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}
.cert-tab.is-open .cert-tab__panel {
  max-height: 400px;
}
.cert-tab__panel img {
  width: 100%;
  display: block;
}

/* ============================ 联系页布局 ============================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
}
.contact-form-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
}
.contact-map {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
  margin-top: var(--space-xl);
}

/* ============================ 分页 ============================ */
.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
  padding: 0;
  list-style: none;
}
.pagination ul,
.pagination ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}
.pagination li {
  list-style: none;
  display: inline-flex;
}
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  background: #fff;
  text-decoration: none;
  transition: all 0.2s ease;
}
.pagination a:hover,
.pagination li.active a,
.pagination li.active span,
.pagination .is-active,
.pagination .active a,
.pagination .active span {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.pagination li.disabled span,
.pagination li.disabled a {
  color: var(--color-text-muted);
  cursor: not-allowed;
  background: #f5f6f8;
}

/* ============================ 响应式 ============================ */
@media (max-width: 1023px) {
  .product-detail,
  .solution-hero__inner,
  .contact-layout {
    grid-template-columns: 1fr !important;
  }
  .product-detail {
    gap: var(--space-xl);
  }
  .detail-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .solution-steps,
  .case-grid,
  .feature-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-list-item {
    grid-template-columns: 160px 1fr;
  }
  .case-gallery[data-product-gallery] {
    width: 100%;
    max-width: 100%;
  }
  .case-gallery[data-product-gallery] .case-gallery__stage {
    max-width: 100%;
  }
  .case-gallery[data-product-gallery] .case-gallery__tabs {
    width: 100%;
    max-width: 100%;
  }
}
@media (max-width: 767px) {
  .product-detail {
    gap: var(--space-lg);
  }
  .case-gallery[data-product-gallery],
  .detail-main .case-gallery {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }
  .case-gallery[data-product-gallery] .case-gallery__stage,
  .detail-main .case-gallery__stage {
    max-width: 100%;
    overflow: hidden;
  }
  .case-gallery[data-product-gallery] .case-gallery__stage-img,
  .detail-main .case-gallery__stage-img {
    width: 100%;
    height: auto;
  }
  .case-gallery[data-product-gallery] .case-gallery__tabs,
  .detail-main .case-gallery__tabs {
    gap: 6px;
    padding-bottom: 4px;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
  }
  .case-gallery[data-product-gallery] .case-gallery__tab,
  .detail-main .case-gallery__tab {
    flex: 0 0 calc((100% - 24px) / 5);
    min-width: 0;
  }
  .case-gallery__tab span {
    padding: 6px 8px;
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .product-info .hero__actions {
    flex-direction: column !important;
    gap: var(--space-sm);
    align-items: stretch !important;
  }
  .product-info .hero__actions .btn {
    width: 100% !important;
    min-width: auto;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
  .detail-layout {
    gap: var(--space-lg);
  }
  .detail-aside {
    position: static;
    padding: var(--space-lg);
  }
  .detail-aside .btn {
    width: 100%;
    min-width: auto;
  }
  .perf-tabs {
    justify-content: flex-start;
    gap: 6px;
  }
  .perf-tab {
    padding: 8px 16px;
    font-size: 0.875rem;
    white-space: nowrap;
  }
  .solution-steps,
  .case-grid,
  .feature-list {
    grid-template-columns: 1fr;
  }
  .news-list-item {
    grid-template-columns: 1fr;
  }
  .product-info__title { font-size: 1.5rem; }
  .product-info__desc { font-size: 0.9375rem; }
  .solution-hero__title { font-size: 1.875rem; }
  .contact-form-card { padding: var(--space-lg); }
}

/* ============================ 新增内页通用增强 ============================ */
.section-intro {
  max-width: 820px;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}
.section-intro p {
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.media-card {
  position: relative;
  min-height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  box-shadow: var(--shadow-md);
}
.media-card img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  opacity: .72;
}
.media-card__caption {
  position: absolute;
  left: var(--space-lg);
  right: var(--space-lg);
  bottom: var(--space-lg);
  color: #fff;
  font-weight: 600;
}
.culture-card,
.solution-card,
.network-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  height: 100%;
}
.culture-card h3,
.solution-card h3,
.network-card h3 {
  margin-bottom: var(--space-sm);
}
.culture-card p,
.solution-card p,
.network-card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.factory-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-lg);
}
.factory-item {
  position: relative;
  min-height: 210px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-alt);
}
.factory-item:first-child {
  grid-row: span 2;
  min-height: 440px;
}
.factory-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.factory-item span {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(15,37,64,.78);
  color: #fff;
  font-size: .875rem;
}
.solution-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--color-primary-50);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}
.solution-card__block {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
.solution-card__block strong {
  display: block;
  margin-bottom: 8px;
}
.solution-card ul,
.network-card ul {
  display: grid;
  gap: 8px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}
.link-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.link-tags a,
.case-product-link {
  display: inline-flex;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-50);
  color: var(--color-primary);
  font-size: .8125rem;
  font-weight: 600;
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.comparison-table th,
.comparison-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}
.comparison-table th {
  background: var(--color-primary-dark);
  color: #fff;
  font-weight: 600;
}
.comparison-table td {
  color: var(--color-text-secondary);
  background: var(--color-bg);
}
.case-filter-group {
  margin-bottom: var(--space-lg);
  text-align: center;
}
.case-filter-group__label {
  display: inline-block;
  margin-right: var(--space-sm);
  font-weight: 600;
  color: var(--color-text);
}
.case-card__desc {
  margin-top: 6px;
  font-size: .875rem;
  line-height: 1.6;
  opacity: .88;
}
.news-card__link {
  margin-top: var(--space-md);
  color: var(--color-primary);
  font-weight: 600;
}
.contact-aside {
  display: grid;
  gap: var(--space-lg);
  align-content: start;
}
.form-error {
  min-height: 20px;
  margin-top: 6px;
  color: #E74C3C;
  font-size: .8125rem;
}
.form-control.is-invalid {
  border-color: #E74C3C;
  box-shadow: 0 0 0 3px rgba(231,76,60,.12);
}
.form-status {
  margin-top: var(--space-md);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-50);
  color: var(--color-primary);
  line-height: 1.6;
}
.map-placeholder {
  min-height: 420px;
  height: 420px;
  border: none;
  border-radius: 0;
  background: #0a0e1a;
  color: #fff;
  text-align: center;
  padding: 0;
  overflow: hidden;
  position: relative;
}
.map-placeholder .map-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: #0a0e1a;
}
/* 公司位置模块：整条铺满视口的暗色地图带（无标题、半高） */
.section--map {
  padding-top: 0;
  padding-bottom: 0;
  background: transparent;
  width: 100%;
}
.section--map .container {
  max-width: none;
  width: 100%;
  padding-left: 0;
  padding-right: 0;
}
.section--map .map-placeholder {
  border: 0;
  border-radius: 0;
}

@media (max-width: 1023px) {
  .factory-grid { grid-template-columns: 1fr 1fr; }
  .factory-item:first-child { grid-row: auto; min-height: 260px; }
  .comparison-table { min-width: 760px; }
  .table-scroll { overflow-x: auto; }
}
@media (max-width: 767px) {
  .factory-grid { grid-template-columns: 1fr; }
  .factory-item,
  .factory-item:first-child { min-height: 220px; }
  .culture-card,
  .solution-card,
  .network-card { padding: var(--space-lg); }
  .case-filter-group__label {
    display: block;
    margin: 0 0 var(--space-sm);
  }
}

/* ============================ 详情页通用 ============================ */
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--space-2xl);
  align-items: start;
}
.detail-main {
  background: var(--color-bg);
}
.detail-hero-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-lg);
}
.case-gallery {
  margin-bottom: var(--space-xl);
}
.case-gallery__stage {
  position: relative;
  margin: 0 0 var(--space-md);
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-md);
}
.case-gallery__stage-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.case-gallery__stage-caption {
  position: absolute;
  left: var(--space-md);
  bottom: var(--space-md);
  max-width: calc(100% - 120px);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: rgba(15, 37, 64, 0.78);
  color: #fff;
  font-size: 0.9375rem;
  line-height: 1.5;
  backdrop-filter: blur(8px);
}
.case-gallery__counter {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(15, 37, 64, 0.72);
  color: #fff;
  font-family: var(--font-num);
  font-size: 0.875rem;
}
.case-gallery__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary-dark);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}
.case-gallery__nav:hover {
  background: var(--color-accent);
  color: #fff;
}
.case-gallery__nav--prev {
  left: var(--space-md);
}
.case-gallery__nav--next {
  right: var(--space-md);
}
.case-gallery__tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: var(--space-sm);
}
.case-gallery[data-product-gallery] .case-gallery__tabs {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 4px;
}
.case-gallery[data-product-gallery] .case-gallery__tab {
  flex: 0 0 calc((100% - (var(--space-sm) * 4)) / 5);
  min-width: 0;
  scroll-snap-align: start;
}
.case-gallery__tab {
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}
.case-gallery__tab img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}
.case-gallery__tab span {
  display: block;
  padding: 8px 10px;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  line-height: 1.45;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.case-gallery__tab:hover,
.case-gallery__tab.is-active,
.case-gallery__tab:focus-visible {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.case-gallery__tab.is-active span {
  color: var(--color-primary);
  font-weight: 600;
}
.case-gallery.is-single .case-gallery__tabs,
.case-gallery.is-single .case-gallery__nav,
.case-gallery.is-single .case-gallery__counter,
.case-gallery[data-gallery-count="1"] .case-gallery__tabs,
.case-gallery[data-gallery-count="1"] .case-gallery__nav,
.case-gallery[data-gallery-count="1"] .case-gallery__counter {
  display: none;
}
.case-gallery.is-single .case-gallery__stage {
  margin-bottom: 0;
}
.case-gallery.is-single .case-gallery__stage-caption {
  max-width: calc(100% - var(--space-xl));
}
.detail-main--no-media .detail-meta,
.detail-main:not(:has(.case-gallery)):not(:has(.detail-hero-img)) .detail-meta {
  margin-top: 0;
}
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.detail-meta span {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-50);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
}
.detail-section {
  margin-bottom: var(--space-xl);
}
.detail-section h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}
.detail-section p {
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: var(--space-md);
}
.detail-aside {
  position: sticky;
  top: 96px;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}
.detail-aside h2 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}
.detail-aside p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}
.case-card__title a,
.news-card__title a {
  color: inherit;
}
.case-card__title a:hover,
.news-card__title a:hover {
  color: var(--color-accent);
}
@media (max-width: 1023px) {
  .horizontal-timeline {
    grid-auto-columns: minmax(240px, 280px);
    padding: 116px 0;
  }
  .cert-slide {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .cert-carousel__nav--prev { left: 8px; }
  .cert-carousel__nav--next { right: 8px; }
  .detail-layout {
    grid-template-columns: 1fr;
  }
  .detail-aside {
    position: static;
  }
  .case-gallery__tabs {
    grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  }
}
@media (max-width: 767px) {
  .horizontal-timeline {
    display: block;
    min-height: auto;
    padding: 0;
    overflow: visible;
  }
  .horizontal-timeline::before,
  .horizontal-timeline__dot,
  .horizontal-timeline__card::after {
    display: none;
  }
  .horizontal-timeline__item {
    min-width: 0;
    margin-bottom: var(--space-md);
  }
  .horizontal-timeline__card,
  .horizontal-timeline__item:nth-child(odd) .horizontal-timeline__card,
  .horizontal-timeline__item:nth-child(even) .horizontal-timeline__card {
    position: static;
  }
  .cert-slide {
    padding: var(--space-lg);
  }
  .cert-slide__body h3 {
    font-size: 1.375rem;
  }
  .cert-carousel__nav {
    width: 38px;
    height: 38px;
    font-size: 1.6rem;
  }
  .case-gallery__stage-caption {
    position: static;
    max-width: none;
    border-radius: 0;
    background: var(--color-primary-dark);
  }
  .case-gallery__tabs {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 4px;
  }
  .case-gallery__tab {
    min-width: 150px;
    scroll-snap-align: start;
  }
  .case-gallery[data-product-gallery] .case-gallery__tab {
    flex-basis: 150px;
    min-width: 150px;
  }
}

/* ============================ 产品中心：分类分区布局 ============================ */
.product-category {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}
.category-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-lg);
  margin-bottom: 10px;
  padding: 6px var(--space-2xl);
}
.category-head__text {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.category-head__eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  position: relative;
  padding-left: 20px;
}
.category-head__eyebrow::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}
.category-head__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.category-head__desc {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.75;
  max-width: 640px;
  letter-spacing: 0.01em;
}
.category-showcase {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: var(--space-xl);
  align-items: stretch;
}
.category-showcase__secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.category-showcase__secondary .product-card {
  min-height: 100%;
}
/* 主打产品卡片强化样式 */
.product-card--featured {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  height: 100%;
}
.product-card--featured:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-6px);
}
.product-card--featured .product-card__media {
  aspect-ratio: 16 / 10;
}
.product-card--featured .product-card__body {
  padding: var(--space-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.product-card--featured .product-card__title {
  font-size: 1.625rem;
  margin-bottom: var(--space-md);
}
.product-card--featured .product-card__desc {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}
.product-card__tag--featured {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  font-size: 0.8125rem;
  padding: 6px 16px;
}
/* 产品列表页 · 统一所有区块图片高度 */
.product-category .product-card__media {
  aspect-ratio: auto;
  height: 320px;
}
/* 主打产品徽章 */
.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-50);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  width: fit-content;
}
@media (max-width: 1023px) {
  .category-showcase {
    grid-template-columns: 1fr;
  }
  .category-showcase__secondary {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  .category-showcase__secondary {
    grid-template-columns: 1fr;
  }
  .category-head {
    padding: var(--space-xl) var(--space-lg);
    gap: var(--space-md);
  }
  .category-head__eyebrow {
    font-size: 0.625rem;
    letter-spacing: 0.18em;
  }
  .category-head__title {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
  }
  .category-head__desc {
    font-size: 0.875rem;
    line-height: 1.7;
  }
}

/* ============================ 产品详情：性能特点选项卡 ============================ */
/* 排版沿用 .solution-tabs / .solution-panel 模式，语义独立为 .perf-tabs / .perf-panel */
.perf-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}
.perf-tab {
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: #fff;
  cursor: pointer;
  transition: all var(--transition);
}
.perf-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.perf-tab.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.perf-panel {
  display: none;
}
.perf-panel.is-active {
  display: block;
}
/* 性能选项卡内部图文混排，沿用 .product-detail 网格 */
.perf-panel .product-detail {
  align-items: center;
}
@media (max-width: 767px) {
  .perf-tabs {
    gap: 8px;
  }
  .perf-tab {
    padding: 10px 18px;
    font-size: 0.9375rem;
  }
}
/* ==========================================================================
   文章详情页 - 图集排版（3 列网格 · 浅灰背景框 · 无限制向下排列）
   view_article.htm 的 .article-gallery 调用样式
   ========================================================================== */
.article-gallery {
  margin-top: 24px;
  padding: 20px;
  background: #f5f6f8;
  border: 1px solid #ececee;
  border-radius: 8px;
}
.article-gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.article-gallery__item {
  margin: 0;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.article-gallery__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}
.article-gallery__link {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  text-decoration: none;
}
.article-gallery__link img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.article-gallery__link:hover img {
  transform: scale(1.04);
}
.article-gallery__item figcaption {
  font-size: 13px;
  color: #666;
  line-height: 1.5;
  padding: 8px 12px;
  margin: 0;
  background: #fff;
}
@media (max-width: 960px) {
  .article-gallery__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .article-gallery {
    padding: 14px;
  }
  .article-gallery__grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}


/* ============================================================
   图集灯箱（点击放大 · 非全屏 · 左右切换 · 点空白关闭）
   ============================================================ */
.lb-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 18, 24, 0.82);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s;
}
.lb-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.lb-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 86vw;
}
.lb-image {
  max-width: 86vw;
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  cursor: zoom-in;
}
.lb-caption {
  margin-top: 14px;
  max-width: 78vw;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
}
.lb-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2001;
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.lb-arrow:hover {
  background: rgba(255, 255, 255, 0.32);
}
.lb-arrow svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.lb-arrow--prev {
  left: 3vw;
}
.lb-arrow--prev svg {
  transform: rotate(180deg);
}
.lb-arrow--next {
  right: 3vw;
}
.lb-close {
  position: fixed;
  top: 22px;
  right: 3vw;
  z-index: 2001;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 26px;
  line-height: 44px;
  cursor: pointer;
  transition: background 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.lb-close:hover {
  background: rgba(255, 255, 255, 0.32);
}
.lb-counter {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2001;
  font-size: 0.875rem;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.75);
  pointer-events: none;
}
/* 移动端：箭头缩小、贴边 */
@media (max-width: 560px) {
  .lb-image {
    max-width: 92vw;
    max-height: 70vh;
  }
  .lb-arrow {
    width: 40px;
    height: 40px;
  }
  .lb-arrow svg {
    width: 20px;
    height: 20px;
  }
}
/* 联系我们页表单 - 收窄表单项上下间距（仅本模板） */
.contact-form-card .form-group {
  margin-bottom: 1px;
}