/**
 * LINQDOM Page-specific Styles
 * Added during G4 — for product category and detail pages.
 * Loaded after shell.css (which in turn loads style.css and design-tokens.css).
 */

/* ================================================================
 * 1. CATEGORY HERO (used by wall-mounted/mobile/rack-mounted pages)
 * ================================================================ */
.cat-hero {
  background: linear-gradient(135deg, var(--color-bg-section) 0%, var(--color-bg-white) 100%);
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

/* 桌面端：产品中心与三个分类首屏共用「无配图首屏」结构，但分类页含徽标行 + 指标块，
   内容更高，导致产品中心首屏大图偏矮。统一最小高度使四者首屏大图等高
   （首屏背景图 cover 铺满该高度）；分类页内容本就 ≥ 该值，不受影响 */
@media (min-width: 1200px) {
  .cat-hero--no-visual.has-hero-bg {
    min-height: 525px;
  }
}

/* 首屏右上角的圆形光晕装饰已移除（各分类页首屏图右上角的浅色圆斑） */

.cat-hero__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
}

/* 无右侧主图时（产品分类首屏）改为单列，内容占满整行并限制导语宽度 */
.cat-hero--no-visual .cat-hero__grid {
  grid-template-columns: 1fr;
  justify-items: start;
}
.cat-hero--no-visual .cat-hero__lead {
  max-width: 760px;
}

/* 首屏文字列宽统一 ≤ 55%（与全局 .hero-text-col 一致；百分比由 --hero-text-max 控制） */
.cat-hero--no-visual .cat-hero__grid > div {
  max-width: var(--hero-text-max, 55%);
  min-width: 0;
}
@media (max-width: 992px) {
  .cat-hero--no-visual .cat-hero__grid > div { max-width: 100%; }
}

.cat-hero__eyebrow {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* 带前置图标的徽标（产品中心首屏） */
.cat-hero__eyebrow--icon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(12, 166, 138, 0.08);
  border-radius: 6px;
  padding: 9px 16px;
  font-size: 13px;
  line-height: 1;
}

.cat-hero__eyebrow--icon i {
  font-size: 13px;
  line-height: 1;
}

.cat-hero h1 {
  font-size: 44px;
  font-weight: var(--font-weight-extrabold);
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--color-text-dark);
}

.cat-hero__lead {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  max-width: 600px;
}

.cat-hero__stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
}

.cat-hero__stat-num {
  font-size: 30px;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  display: block;
  line-height: 1;
}

.cat-hero__stat-lbl {
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
  display: block;
}

/* 图标 + 文字形式的特性行（无数字指标时使用） */
.cat-hero__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 32px;
}

.cat-hero__highlight {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-dark);
}

.cat-hero__highlight i {
  color: var(--color-primary);
  font-size: 18px;
}

/* 首屏挂了背景图时（footer 脚本加 .has-hero-bg）：去掉深色遮罩，统一黑字，保证浅色/原图背景上的可读性 */
.cat-hero.has-hero-bg h1,
.cat-hero.has-hero-bg .cat-hero__highlight {
  color: #0f172a;
}

.cat-hero.has-hero-bg .cat-hero__lead {
  color: #475569;
}

.cat-hero.has-hero-bg .breadcrumbs,
.cat-hero.has-hero-bg .breadcrumbs a,
.cat-hero.has-hero-bg .breadcrumbs span {
  color: #0f172a;
}

.cat-hero.has-hero-bg .breadcrumbs a:hover {
  color: var(--color-primary);
}

.cat-hero.has-hero-bg .btn-outline {
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.35);
  background: rgba(15, 23, 42, 0.04);
}

.cat-hero.has-hero-bg .btn-outline:hover {
  color: #0f172a;
  border-color: #0f172a;
  background: rgba(15, 23, 42, 0.09);
}

/* 产品分类首屏：白色渐变框（复用首页 .home-hero__panel）+ 黑字（与首页一致） */
.cat-hero--white-panel.has-hero-bg h1 {
  color: #0f172a;
}
.cat-hero--white-panel.has-hero-bg .cat-hero__lead {
  color: #475569;
}
.cat-hero--white-panel.has-hero-bg .breadcrumbs,
.cat-hero--white-panel.has-hero-bg .breadcrumbs a,
.cat-hero--white-panel.has-hero-bg .breadcrumbs span,
.cat-hero--white-panel.has-hero-bg .breadcrumbs strong {
  color: #0f172a;
}
.cat-hero--white-panel.has-hero-bg .breadcrumbs a:hover {
  color: var(--color-primary);
}
.cat-hero--white-panel.has-hero-bg .btn-outline {
  color: #0f172a;
  border-color: #0f172a;
  background: transparent;
}
.cat-hero--white-panel.has-hero-bg .btn-outline:hover {
  color: #0f172a;
  border-color: #0f172a;
  background: rgba(15, 23, 42, 0.06);
}

.cat-hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ================================================================
 * 2. PRODUCT GRID (category page listing)
 * ================================================================ */
.product-grid-section {
  padding: 64px 0;
}

.product-grid-section h2 {
  text-align: center;
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.product-grid-section .subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-grid--2col {
  grid-template-columns: repeat(2, 1fr);
}

.product-grid--4col {
  grid-template-columns: repeat(4, 1fr);
}

/* 桌面端根据卡片数量动态调整列数：
   卡片数量 ≥4 时排成 4 列（一行四个）；
   数量 ≤3 时仍保持原有 3 列布局（不影响原来 3 个卡片的排版）。
   移动端（≤992px）仍由下方媒体查询控制为 2 列 / 1 列。 */
@media (min-width: 993px) {
  .product-grid:has(.product-card:nth-child(4)) {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Product Card - extended with image spec */
.product-card {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg-white);
  overflow: hidden;
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.product-card__image {
  width: 100%;
  height: 240px;
  background: var(--color-bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.product-card__image img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  padding: 10px;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card__image img {
  transform: scale(1.04);
}

.product-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card__badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
  align-self: flex-start;
}

.product-card__title {
  font-size: 17px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-dark);
  margin-bottom: 4px;
}

.product-card__subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.product-card__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
  padding: 12px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
}

.product-card__spec {
  display: flex;
  flex-direction: column;
  font-size: 11px;
}

.product-card__spec-label {
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  font-weight: 600;
  margin-bottom: 2px;
}

.product-card__spec-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-dark);
}

.product-card__actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: auto;
}

.product-card__actions .btn-primary,
.product-card__actions .btn-outline {
  font-size: 13px;
  padding: 10px 14px;
}

/* Mobile responsive */
@media (max-width: 992px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cat-hero__grid {
    grid-template-columns: 1fr;
  }
  .cat-hero h1 {
    font-size: 32px;
  }
}

@media (max-width: 640px) {
  .product-grid,
  .product-grid--2col,
  .product-grid--4col {
    grid-template-columns: 1fr;
  }
  .cat-hero__stats {
    gap: 16px;
  }
  .cat-hero__highlights {
    gap: 16px;
  }
}

/* ================================================================
 * 3. PRODUCT DETAIL PAGE COMPONENTS
 * ================================================================ */

/* Product Hero (matches Product Page reference) */
.pd-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 32px 0 48px;
  border-bottom: 1px solid var(--color-border);
}

.pd-hero__model-tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.pd-hero__title {
  font-size: 38px;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-dark);
  line-height: 1.15;
  margin-bottom: 12px;
}

.pd-hero__title .accent {
  color: var(--color-primary);
}

.pd-hero__sub {
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.pd-hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.pd-hero__highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-muted);
}

.pd-hero__highlight {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  cursor: default;
  transition: var(--transition-base);
}

.pd-hero__highlight:hover {
  color: var(--color-text-dark);
  transform: translateY(-2px);
}

.pd-hero__highlight i {
  color: var(--color-primary);
  font-size: 16px;
}

.pd-hero__image-box {
  border-radius: 12px;
  background: var(--color-bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  min-height: 420px;
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
  overflow: hidden;
}

.pd-hero__image-box:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}

.pd-hero__image-box img {
  width: 100%;
  height: 100%;
  max-height: 480px;
  object-fit: contain;
  display: block;
  transition: transform 0.6s ease;
}

.pd-hero__image-box:hover img {
  transform: scale(1.03);
}

@media (max-width: 992px) {
  .pd-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .pd-hero__title {
    font-size: 28px;
  }
  .pd-hero__highlights {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Specifications bar (under hero)
   列数随后台「首屏规格栏」(specs_bar) 的条数变化：模板按实际条数输出 specs-bar--N */
.specs-bar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.specs-bar.specs-bar--1 { grid-template-columns: 1fr; }
.specs-bar.specs-bar--2 { grid-template-columns: repeat(2, 1fr); }
.specs-bar.specs-bar--3 { grid-template-columns: repeat(3, 1fr); }
.specs-bar.specs-bar--4 { grid-template-columns: repeat(4, 1fr); }
.specs-bar.specs-bar--5 { grid-template-columns: repeat(5, 1fr); }
.specs-bar.specs-bar--6 { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 768px) {
  .specs-bar,
  .specs-bar--4,
  .specs-bar--5,
  .specs-bar--6 {
    grid-template-columns: repeat(3, 1fr);
  }

  .specs-bar--2 { grid-template-columns: repeat(2, 1fr); }
}

/* Feature highlights (6-column grid from reference) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

@media (max-width: 992px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 576px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Detail-page section title */
.detail-section {
  padding: 56px 0;
}

.detail-section h2 {
  text-align: center;
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 32px;
  position: relative;
  padding-bottom: 16px;
}

.detail-section h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin: 12px auto 0;
  border-radius: 2px;
}

/* Tech specs table already styled in style.css. Add minor adjustments: */
.detail-section .tech-table td {
  font-size: 13px;
}

/* Installation flow already in style.css. */
/* FAQ items already in style.css. */
/* CTA banner already in style.css. */

/* Compat table section wrapper */
.compat-section {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: stretch;
}

@media (max-width: 992px) {
  .compat-section { grid-template-columns: 1fr; }
}

/* ================================================================
 * 4. VOLTAGE WARNING BANNER (for LQ-W7.5-K05 25.6V model)
 * ================================================================ */
.warning-banner {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-left: 4px solid #f59e0b;
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px auto;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  max-width: 900px;
}

.warning-banner__icon {
  font-size: 22px;
  color: #f59e0b;
  flex-shrink: 0;
}

.warning-banner__title {
  font-size: 14px;
  font-weight: 700;
  color: #92400e;
  margin-bottom: 4px;
}

.warning-banner__text {
  font-size: 13px;
  color: #78350f;
  line-height: 1.5;
}

/* ================================================================
 * 5. CORRECTION NOTICE (for the 3 corrected models)
 * ================================================================ */
.correction-note {
  background: var(--color-bg-section);
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 12px;
  color: var(--color-text-muted);
  margin: 16px 0 24px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.correction-note i {
  color: var(--color-primary);
  font-size: 16px;
}

/* ================================================================
 * 6. PRODUCT INFO PANEL (above spec table) — quick summary chips
 * ================================================================ */
.info-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
}

.info-chips__chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 20px;
  background: var(--color-bg-section);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-dark);
  border: 1px solid var(--color-border);
}

.info-chips__chip i {
  color: var(--color-primary);
}

/* ================================================================
 * 7. MISSING-FIELD DISCLOSURE
 * ================================================================ */
.tbd-note {
  font-size: 11px;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ================================================================
 * 8. CERTIFICATION ROW (Tech specs section bottom)
 * ================================================================ */
.cert-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

/* ================================================================
 * 9. CTA Banner (reused from style.css but with extra emphasis)
 * ================================================================ */
.detail-section + .cta-banner {
  margin-top: 0;
}

/* ================================================================
 * 11. OVERVIEW — 左图右文（左侧产品图：圆点轮播切换）
 * ================================================================ */
.ov-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--grid-gap-2xl);
  align-items: center;
}

.ov-media { min-width: 0; }

/* 轮播容器：单张展示，溢出隐藏 */
.ov-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
  -webkit-user-select: none;
  user-select: none;
}

.ov-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

/* 每张幻灯片占满一屏，正方形等比居中 */
.ov-slide {
  flex: 0 0 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  padding: 18px;
}

.ov-slide img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  pointer-events: none;
  -webkit-user-drag: none;
  user-drag: none;
}

/* 左右切换箭头：悬停显示 */
.ov-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-text-dark);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.ov-carousel:hover .ov-arrow,
.ov-arrow:focus-visible { opacity: 1; outline: none; }
.ov-arrow:hover { background: #fff; color: var(--color-primary); }
.ov-arrow--prev { left: 12px; }
.ov-arrow--next { right: 12px; }

/* 底部圆点导航 */
.ov-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}
.ov-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #cbd5e1;
  cursor: pointer;
  transition: background 0.2s ease, width 0.2s ease, border-radius 0.2s ease;
}
.ov-dot:hover { background: #94a3b8; }
.ov-dot.is-active {
  background: var(--color-primary);
  transform: scale(1.35);
}

/* 未上传图片时的占位 */
.ov-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 2 / 1;
  background: var(--color-bg-white);
  border: 1px dashed var(--color-border);
  border-radius: 16px;
  color: #94a3b8;
  font-size: 26px;
}

/* 右侧原有文字介绍 */
.ov-text {
  color: var(--color-text-dark);
  font-size: 15px;
  line-height: 1.85;
}

.ov-text p { margin: 0 0 14px; }
.ov-text p:last-child { margin-bottom: 0; }

@media (max-width: 900px) {
  .ov-split { grid-template-columns: 1fr; gap: 28px; }
  .ov-text { font-size: 14px; }
}

@media (max-width: 480px) {
  .ov-slide { padding: 12px; }
  .ov-arrow { opacity: 1; width: 32px; height: 32px; }
}

/* ----------------------------------------------------------------
 * 11.1 技术规格 — 左侧型号图轮播 + 右侧参数表
 * 右列表格不撑高行：.spec-scroll 绝对定位填满列高，
 * 于是整块高度由左侧轮播（正方形）决定，表格超出部分上下滑动。
 * ---------------------------------------------------------------- */
.spec-split {
  display: flex;
  align-items: stretch;
  gap: 40px;
}

/* 左：轮播（宽高比 1:1，与分类页产品概述一致） */
.spec-media {
  flex: 0 0 38%;
  min-width: 0;
}

/* 右：参数表所在列，高度跟随左侧图片 */
.spec-table {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
}

.spec-scroll {
  position: absolute;
  inset: 0;
  overflow: auto;
  padding-right: 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}
.spec-scroll::-webkit-scrollbar { width: 8px; height: 8px; }
.spec-scroll::-webkit-scrollbar-track { background: transparent; }
.spec-scroll::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 8px;
}
.spec-scroll::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* 表头固定，滑动时始终可见 */
.spec-scroll .tech-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--color-bg-section);
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text-dark);
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}

/* 列宽收敛：固定布局，参数列 20%、其余型号列均分剩余宽度（等宽）；
   数值列允许长参数换行（如 490×482.6×177mm±3mm），避免半幅宽度下横向滚动 */
.spec-scroll .tech-table {
  table-layout: fixed;
}
.spec-scroll .tech-table td {
  padding: 8px 10px;
}
.spec-scroll .tech-table thead th:first-child { width: 20%; }
.spec-scroll .tech-table thead th:not(:first-child) { width: auto; }
.spec-scroll .tech-table td {
  width: auto;            /* 覆盖 style.css 的 25%，固定布局下列宽由表头决定 */
  overflow-wrap: anywhere;
}

/* 可上下滑动时的底部渐变 + 提示（滑到底自动淡出） */
.spec-scroll-hint {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  align-items: flex-end;
  justify-content: center;
  height: 64px;
  padding-bottom: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.92) 62%, #fff 100%);
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.spec-table.is-scrollable .spec-scroll-hint { display: flex; }
.spec-table.at-bottom .spec-scroll-hint { opacity: 0; }

/* 未上传型号图 / 产品图（无左侧轮播）时，表格恢复整幅宽度 */
.spec-split--no-media { display: block; }
.spec-split--no-media .spec-table { position: static; }
.spec-split--no-media .spec-scroll {
  position: static;
  overflow-x: auto;
  overflow-y: visible;
  padding-right: 0;
}

@media (max-width: 900px) {
  /* 单列堆叠：左侧轮播在上，表格在下并恢复自然高度（不再限制滑动） */
  .spec-split { flex-direction: column; gap: 28px; }
  .spec-split .spec-table { position: static; }
  .spec-split .spec-scroll {
    position: static;
    overflow-x: auto;
    overflow-y: visible;
    padding-right: 0;
  }
  .spec-scroll-hint { display: none !important; }
}

@media (max-width: 480px) {
  .spec-split { gap: 20px; }
}

/* 手机：分类首屏 / 产品中心首屏文字与间距收敛 */
@media (max-width: 768px) {
  .cat-hero {
    padding: 40px 0 36px;
  }
  .cat-hero h1 {
    font-size: 28px;
  }
  .cat-hero__lead {
    font-size: 15px;
    margin-bottom: 20px;
  }
  .cat-hero__eyebrow {
    font-size: 11px;
  }
  .cat-hero__eyebrow--icon {
    padding: 8px 12px;
    font-size: 11px;
  }
  .cat-hero__highlights {
    gap: 14px;
    margin-top: 24px;
  }
  .cat-hero__highlight {
    font-size: 14px;
  }
  .cat-hero__highlight i {
    font-size: 16px;
  }
  .cat-hero__stats {
    margin-top: 24px;
  }
  .cat-hero__stat-num {
    font-size: 24px;
  }
  .pd-hero__title {
    font-size: 28px;
  }
}