/* ============================================
   AIWINGS 网站头部样式
   版本: 1.0.0
   作者: 专业前端开发
   规范: Web5 + 响应式设计
   ============================================ */

/* CSS 变量定义 */
:root {
  /* 品牌色（图示橙褐色） */
  --color-primary: #e65a28;
  --color-primary-hover: #cf4f22;
  --color-primary-light: #fff5f2;
  /* 主导航默认字色（设计稿深橙褐，与悬停/下划线强调一致） */
  --color-nav-default: #c55a2c;
  /* 顶部主导航：微软雅黑优先 */
  --font-nav: 'Microsoft YaHei', '微软雅黑', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  
  /* 文字色 */
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-text-light: #999999;
  
  /* 背景色 */
  --color-bg: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-bg-dark: #1a1a1a;
  
  /* 边框色 */
  --color-border: #e8e8e8;
  --color-border-light: #f0f0f0;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  /* 头部高度（右侧：工具栏 + 主导航两行） */
  --header-height: 100px;
  --header-height-mobile: 60px;
}

/* 重置样式 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* ============================================
   头部容器
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #ffffff; /* 明确设置为白色 */
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.95); /* 滚动时稍微透明 */
  backdrop-filter: blur(10px);
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

/* ============================================
   Logo
   ============================================ */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--color-primary);
  text-decoration: none;
  max-width: min(58vw, 320px);
}

.logo:visited {
  color: var(--color-primary);
}

.logo-img {
  display: block;
  width: auto;
  height: clamp(36px, 4.2vw, 52px);
  max-width: 100%;
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
}

.logo-sep {
  color: var(--color-primary);
  font-weight: 300;
  font-size: 1.25rem;
  line-height: 1;
  margin: 0 10px;
  opacity: 0.9;
  flex-shrink: 0;
  user-select: none;
}

.logo-cn {
  color: var(--color-primary);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.2;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
  margin-left: auto;
  flex: 1;
  min-width: 0;
}

.header-utility {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-primary);
  transform: translateX(24px);
}

/* ============================================
   桌面导航
   ============================================ */
.desktop-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(15px, 2vw, 28px);
}

.nav-item {
  position: relative;
}

.nav-item:hover {
  z-index: 1005;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 2px 12px;
  font-family: var(--font-nav);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0;
  transition: color 0.2s ease, text-shadow 0.2s ease;
  white-space: nowrap;
  position: relative;
}

/* 悬停 / 展开：底部粗下划线 + 箭头朝上（设计稿选中态） */
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.22s ease;
}

.nav-item:hover > .nav-link {
  color: var(--color-primary);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.85), 0 2px 6px rgba(0, 0, 0, 0.06);
}

.nav-item:hover > .nav-link::after {
  transform: scaleX(1);
}

.nav-icon {
  flex-shrink: 0;
  transition: transform 0.25s ease, color 0.2s ease;
  color: currentColor;
  opacity: 0.9;
}

.nav-item:hover .nav-icon {
  transform: rotate(180deg);
}

/* ============================================
   全宽下拉菜单 (Mega Menu)
   ============================================ */
.mega-menu {
  background: #ffffff;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
  z-index: 1004;
}

.mega-menu--full {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-8px);
  border-top: 1px solid #ececec;
}

.nav-item:hover .mega-menu--full {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 公司信息 / 联系我们：白底浮层，左缘与主导项文字对齐（设计稿直角、轻阴影） */
.mega-menu--popover {
  position: absolute;
  top: 100%;
  left: 0;
  right: auto;
  margin-top: 0;
  padding-top: 4px;
  width: max-content;
  min-width: 200px;
  max-width: 320px;
  transform: translateY(-6px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  border-radius: 0;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: #ffffff;
}

/* 填补与顶栏之间的空隙，避免移入子菜单时丢失 :hover */
.mega-menu--popover::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}

.mega-menu--popover-end {
  left: auto;
  right: 0;
  transform: translate(0, -6px);
}

.nav-item:hover .mega-menu--popover {
  opacity: 1;
  visibility: visible;
}

.nav-item:hover .mega-menu--popover:not(.mega-menu--popover-end) {
  transform: translateY(0);
}

.nav-item:hover .mega-menu--popover-end {
  transform: translate(0, 0);
}

.mega-menu-inner--popover {
  padding: 0;
  margin: 0;
  max-width: none;
}

.mega-menu-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
  background: #ffffff;
}

/* 产品菜单 - 左右布局（设计稿：左栏分类无衬线灰字，当前项橙色；右侧标题+灰线+产品图） */
.mega-menu-inner:has(.mega-menu-tabs) {
  display: flex;
  gap: 0;
  align-items: flex-start;
  max-width: 1200px;
  padding: 44px 56px 48px;
}

/* 左侧选项卡 */
.mega-menu-tabs {
  display: flex;
  flex-direction: column;
  width: 248px;
  flex-shrink: 0;
  padding-right: 36px;
  border-right: 1px solid #e0e0e0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

.tab-btn {
  display: block;
  width: 100%;
  padding: 13px 0;
  text-align: left;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #666666;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
  position: relative;
}

.tab-btn:hover,
.tab-btn.active {
  color: var(--color-primary);
  font-weight: 600;
}

/* 右侧内容区 */
.mega-menu-content {
  flex: 1;
  padding-left: 40px;
  min-width: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn var(--transition-base);
}

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

.panel-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid #d8d8d8;
  letter-spacing: 0.02em;
}

.mega-menu-inner:has(.mega-menu-tabs) .panel-title {
  margin-bottom: 32px;
}

/* 产品展示 - 横向排列 */
.product-showcase {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.product-card {
  display: block;
  text-align: center;
  transition: opacity var(--transition-fast);
  width: 260px;
  flex: 0 0 auto;
}

.product-card:hover {
  opacity: 0.92;
}

.product-image {
  width: 100%;
  background: transparent;
  border-radius: 0;
  overflow: hidden;
  margin-bottom: 14px;
  display: block;
}

.product-image img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform var(--transition-base);
}

.product-card:hover .product-image img {
  transform: scale(1.02);
}

.product-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: #b0b0b0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* 行业与应用 — 白底子菜单内网格 */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-md);
}

.menu-item {
  display: block;
  padding: var(--space-md) var(--space-lg);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: #ffffff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
}

.menu-item:hover {
  color: var(--color-primary);
  border-color: rgba(230, 90, 40, 0.35);
  background: #ffffff;
}

/* 行业与应用 — 四列图文（微软雅黑、黑字、悬停图文联动变橙） */
.mega-menu-inner--industry {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 48px 40px;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.industry-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-fast);
}

.industry-card-image {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #e8e8e8;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.industry-card-image img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 280 / 200;
  object-fit: cover;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.industry-card-label {
  margin-top: 14px;
  font-family: var(--font-nav);
  font-size: 1rem;
  font-weight: 500;
  color: #1a1a1a;
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.industry-card:hover {
  transform: translateY(-2px);
}

.industry-card:hover .industry-card-image {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
}

.industry-card:hover .industry-card-image img {
  transform: scale(1.06);
  filter: brightness(1.03);
}

.industry-card:hover .industry-card-label {
  color: var(--color-primary);
}

.industry-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

/* 服务与租赁 — 三栏 + 立即询价 */
.mega-menu-inner--service {
  padding: 40px 60px;
  max-width: 1200px;
}

.service-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 80px;
  align-items: start;
}

.service-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #1a1a1a;
  font-family: var(--font-nav);
  margin-bottom: 24px;
}

.service-col-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-col-list li {
  margin-bottom: 12px;
  position: relative;
  padding-left: 18px;
}

.service-col-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #999;
  font-size: 1.2rem;
  line-height: 1.2;
}

.service-col-list a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: all 0.2s ease;
}

.service-col-list a:hover {
  color: var(--color-primary);
}

.service-cta-wrap {
  margin-top: 28px;
  text-align: center;
}

.btn-inquire {
  display: inline-block;
  padding: 14px 70px;
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(230, 90, 40, 0.25);
  text-decoration: none;
}

.btn-inquire:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 90, 40, 0.35);
}

/* 公司信息 / 联系我们 — 白底浮层列表 */
.popover-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.popover-link {
  display: block;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color 0.2s ease;
  background: transparent;
}

/* 公司信息 / 联系我们：与全站 .popover-link 同字号字重，仅布局左对齐；颜色仅悬停变橙 */
.popover-list--company .popover-link,
.popover-list--contact .popover-link {
  text-align: left;
  line-height: 1.45;
  white-space: nowrap;
}

.popover-list--company li:first-child .popover-link,
.popover-list--contact li:first-child .popover-link {
  padding-top: 16px;
}

.popover-list--company li:last-child .popover-link,
.popover-list--contact li:last-child .popover-link {
  padding-bottom: 16px;
}

/* 设计稿：白底不变，仅文字变品牌橙 */
.popover-link:hover {
  color: var(--color-primary);
  background: transparent;
}

.popover-list--contact .popover-link.is-active,
.popover-list--contact .popover-link[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
}

.popover-link--accent {
  color: var(--color-primary);
}

.popover-link--accent:hover {
  color: var(--color-primary-hover);
  background: transparent;
}

.popover-list--compact .popover-link {
  padding-top: 16px;
  padding-bottom: 16px;
}

.popover-list--compact li + li .popover-link {
  border-top: 1px solid var(--color-border-light);
}

/* ============================================
   头部工具栏图标（tel.png / tel2.png）
   ============================================ */
.header-icon-link,
.header-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  line-height: 0;
  color: inherit;
  transition: opacity var(--transition-fast);
}

.header-icon-link:hover,
.header-icon-btn:hover {
  opacity: 0.85;
}

.header-icon-img {
  height: 22px;
  width: auto;
  max-height: 22px;
  display: block;
  object-fit: contain;
}

/* 黑底线稿图标着色为主题橙；已为橙色的 PNG 请加 .header-icon-img--native 取消滤镜 */
.header-icon-link .header-icon-img,
.header-icon-btn .header-icon-img {
  filter: brightness(0) saturate(100%) invert(49%) sepia(86%) saturate(1200%) hue-rotate(347deg) brightness(98%) contrast(88%);
}

.header-icon-img--native {
  filter: none !important;
}

.hotline {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--color-primary);
  font-weight: 500;
  white-space: nowrap;
}

.hotline-label {
  font-size: 0.875rem;
}

.hotline-number {
  font-size: 1rem;
  font-weight: 700;
}

.header-divider {
  color: var(--color-primary);
  opacity: 0.5;
  margin: 0 4px;
}

/* ============================================
   Banner 区域 (Hero Slider)
   ============================================ */
.hero-banner {
  margin-top: var(--header-height);
  height: calc(100vh - var(--header-height));
  min-height: 500px;
  position: relative;
  overflow: hidden;
  background-color: #000;
}

.banner-slider {
  width: 100%;
  height: 100%;
  position: relative;
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease;
  overflow: hidden;
  pointer-events: none;
}

.banner-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
  pointer-events: auto;
}

.banner-slide-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  -webkit-user-drag: none;
  user-select: none;
}

/* 右下角：了解更多 + 分页指示器 */
.banner-footer {
  position: absolute;
  right: var(--space-lg);
  bottom: clamp(28px, 4vw, 40px);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: clamp(14px, 2vw, 20px);
  pointer-events: none;
}

.banner-footer .banner-btn,
.banner-footer .banner-pagination {
  pointer-events: auto;
}

.banner-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end; /* 文字默认靠右 */
}

.banner-content {
  text-align: right;
  color: #ffffff;
  max-width: 600px;
}

.banner-title {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: var(--space-xs);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.banner-subtitle {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  color: #ffffff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.banner-btn {
  display: inline-block;
  padding: 12px 48px;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(230, 90, 40, 0.3);
}

.banner-btn:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 90, 40, 0.4);
}

/* 分页指示器（位于 .banner-footer 内） */
.banner-footer .banner-pagination {
  position: static;
  display: flex;
  gap: var(--space-sm);
}

/* 产品列表等页：分页仍为幻灯片右下角独立定位 */
.hero-banner > .banner-pagination {
  position: absolute;
  bottom: clamp(28px, 4vw, 40px);
  right: var(--space-lg);
  display: flex;
  gap: var(--space-sm);
  z-index: 10;
}

.pagination-dot {
  width: 40px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  padding: 0;
}

.pagination-dot.active {
  background: var(--color-primary);
  width: 60px;
}

.pagination-dot:hover {
  background: rgba(255, 255, 255, 0.6);
}

/* 左右切换：橙色圆钮，始终可见（设计稿） */
.banner-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  padding: 0;
  border: none;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  cursor: pointer;
  opacity: 1;
  pointer-events: auto;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.banner-nav-btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-50%) scale(1.05);
  box-shadow: 0 6px 20px rgba(230, 90, 40, 0.45);
}

.banner-nav-btn svg {
  display: block;
  flex-shrink: 0;
}

.banner-prev { left: var(--space-lg); }
.banner-next { right: var(--space-lg); }

/* ============================================
   合作伙伴 Logo 墙（双行反向无限滚动）
   ============================================ */
.partner-wall {
  background: #ffffff;
  padding: var(--space-xl) 0 var(--space-2xl);
  /* Logo 统一画板（全区块继承，避免变量未生效） */
  --partner-slot-w: 228px;
  --partner-slot-h: 96px;
  --partner-gap: 10px;
  --partner-item-w: var(--partner-slot-w);
}

.partner-wall-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.partner-wall-title {
  font-family: var(--font-nav);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: #1a1a1a;
  text-align: center;
  line-height: 1.35;
  margin-bottom: var(--space-md);
}

.partner-wall-subtitle {
  font-family: var(--font-nav);
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  font-weight: 400;
  color: #333333;
  text-align: center;
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto var(--space-md);
}

/* 合作伙伴 Logo 墙：双行反向无限滚动（与静态稿一致） */
.partner-marquee {
  margin: 0;
  margin-left: calc(-1 * var(--space-lg));
  margin-right: calc(-1 * var(--space-lg));
  padding: 14px var(--space-md);
  border-top: 2px solid #000000;
  border-bottom: none;
  background: #ffffff;
}

.partner-marquee:last-of-type {
  border-bottom: 2px solid #000000;
}

.partner-marquee + .partner-marquee {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.partner-marquee-viewport {
  width: 100%;
  overflow: hidden;
  --partner-count: 10;
  --partner-visible: 6;
}

.partner-marquee-track {
  display: block;
  width: max-content;
  will-change: transform;
  backface-visibility: hidden;
}

.partner-marquee-track--forward {
  animation: partner-marquee-loop 45s linear infinite;
}

.partner-marquee-track--reverse {
  animation: partner-marquee-loop 50s linear infinite reverse;
}

.partner-marquee-list {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--partner-gap);
}

.partner-wall .partner-marquee-item,
.partner-wall .partner-logo-item {
  box-sizing: border-box;
  flex: 0 0 var(--partner-slot-w);
  width: var(--partner-slot-w);
  height: var(--partner-slot-h);
  min-width: var(--partner-slot-w);
  min-height: var(--partner-slot-h);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  list-style: none;
}

.partner-wall .partner-marquee-item img,
.partner-wall .partner-logo-item img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: contain;
  object-position: center center;
}

@media (max-width: 768px) {
  .partner-wall {
    --partner-slot-w: 168px;
    --partner-slot-h: 72px;
    --partner-gap: 8px;
  }
}

@keyframes partner-marquee-loop {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(
      calc(-1 * (var(--partner-count) * var(--partner-item-w) + (var(--partner-count) - 1) * var(--partner-gap))),
      0,
      0
    );
  }
}

@media (prefers-reduced-motion: reduce) {
  .partner-marquee-track--forward,
  .partner-marquee-track--reverse {
    animation: none;
    transform: none;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   首页 · 行业与应用（2×2 图卡，白缝、悬停可点）
   ============================================ */
.idx-industry {
  background: #ffffff;
  padding: clamp(40px, 6vw, 80px) var(--space-lg);
}

.idx-industry-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.idx-industry-title {
  font-family: var(--font-nav);
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  font-weight: 700;
  color: #1a1a1a;
  text-align: center;
  margin: 0 0 clamp(28px, 4vw, 44px);
  letter-spacing: 0.02em;
}

.idx-industry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(10px, 1.8vw, 14px);
}

.idx-industry-card {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: clamp(10px, 1.2vw, 16px);
  overflow: hidden;
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  outline: none;
  isolation: isolate;
}

.idx-industry-card:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.idx-industry-card-media {
  position: absolute;
  inset: 0;
  transition: transform var(--transition-slow);
}

.idx-industry-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.001);
  transition: transform var(--transition-slow);
}

.idx-industry-card::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.42) 0%,
    rgba(0, 0, 0, 0.12) 38%,
    transparent 62%
  );
  opacity: 0.92;
  transition: opacity var(--transition-base), background var(--transition-base);
  pointer-events: none;
}

.idx-industry-card-text {
  position: absolute;
  top: clamp(14px, 3.2vw, 32px);
  left: var(--space-md);
  right: var(--space-md);
  z-index: 2;
  text-align: center;
  pointer-events: none;
}

.idx-industry-card-cn {
  display: block;
  font-family: var(--font-nav);
  font-size: clamp(1.0625rem, 2.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.25;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
  margin-bottom: 6px;
}

.idx-industry-card-en {
  display: block;
  font-family: var(--font-nav);
  font-size: clamp(0.6875rem, 1.35vw, 0.8125rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.3;
  opacity: 0.95;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
}

@media (hover: hover) and (pointer: fine) {
  .idx-industry-card:hover .idx-industry-card-media img {
    transform: scale(1.06);
  }

  .idx-industry-card:hover::after {
    opacity: 1;
    background: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.52) 0%,
      rgba(230, 90, 40, 0.22) 42%,
      rgba(0, 0, 0, 0.2) 100%
    );
  }

  .idx-industry-card:hover {
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
  }
}

@media (prefers-reduced-motion: reduce) {
  .idx-industry-card-media,
  .idx-industry-card-media img,
  .idx-industry-card::after {
    transition: none;
  }

  .idx-industry-card:hover .idx-industry-card-media img {
    transform: none;
  }
}

/* ============================================
   首页 · 人工智能 & 自动化（浅灰底、左文右图）
   ============================================ */
.idx-ai {
  background: #ffffff;
  padding: clamp(48px, 7vw, 96px) var(--space-lg);
}

/* 与「行业与应用」等板块同宽 1200px，右侧图与版心右缘对齐 */
.idx-ai-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: clamp(40px, 5vw, 88px);
  overflow: visible;
}

.idx-ai-content {
  flex: 0 1 48%;
  min-width: 0;
  max-width: 38rem;
  padding-left: clamp(20px, 3.2vw, 48px);
  padding-right: 0;
}

.idx-ai-title {
  font-family: var(--font-nav);
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  font-weight: 700;
  color: #333333;
  line-height: 1.25;
  margin: 0;
  letter-spacing: 0.02em;
}

.idx-ai-keywords {
  font-family: var(--font-nav);
  font-size: clamp(1rem, 1.9vw, 1.25rem);
  font-weight: 500;
  color: #666666;
  margin: clamp(10px, 1.5vw, 14px) 0 0;
  line-height: 1.4;
}

.idx-ai-desc {
  font-family: var(--font-nav);
  font-size: clamp(0.9375rem, 1.5vw, 1rem);
  font-weight: 400;
  color: #333333;
  line-height: 1.65;
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  max-width: none;
}

.idx-ai-list {
  list-style: none;
  margin: clamp(18px, 2.5vw, 24px) 0 0;
  padding: 0;
}

.idx-ai-list li {
  position: relative;
  padding-left: 1.125rem;
  margin-bottom: clamp(10px, 1.4vw, 14px);
  font-family: var(--font-nav);
  font-size: clamp(0.9375rem, 1.5vw, 1rem);
  font-weight: 400;
  color: #333333;
  line-height: 1.55;
}

.idx-ai-list li:last-child {
  margin-bottom: 0;
}

.idx-ai-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #f36110;
  transform: translateY(-50%);
}

.idx-ai-btn {
  display: inline-block;
  margin-top: clamp(28px, 4vw, 40px);
  padding: 12px 35px;
  border-radius: 30px;
  background-color: #f36110;
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  line-height: 1.4;
  transition: background-color var(--transition-base), transform var(--transition-fast);
}

.idx-ai-btn:hover {
  background-color: #d9550e;
  color: #ffffff;
}

.idx-ai-btn:focus-visible {
  outline: 3px solid #f36110;
  outline-offset: 3px;
}

.idx-ai-media {
  flex: 0 0 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.idx-ai-media img {
  display: block;
  width: auto;
  max-width: min(100%, 440px);
  height: auto;
}

@media (hover: hover) and (pointer: fine) {
  .idx-ai-media img:hover {
    transform: perspective(1100px) rotateY(-10deg) scale(1.02);
  }
}

@media (max-width: 768px) {
  .idx-ai {
    padding-top: clamp(32px, 6vw, 48px);
    padding-bottom: clamp(28px, 5vw, 40px);
  }

  .idx-ai-inner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: clamp(20px, 4.5vw, 28px);
  }

  .idx-ai-content {
    flex: 1 1 auto;
    max-width: none;
    padding-left: 0;
    padding-right: 0;
  }

  .idx-ai-desc {
    max-width: none;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
  }

  .idx-ai-list {
    max-width: 28rem;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
  }

  .idx-ai-btn {
    margin-top: clamp(20px, 4vw, 28px);
    margin-left: auto;
    margin-right: auto;
  }

  .idx-ai-media {
    flex: 0 1 auto;
    justify-content: center;
    max-width: min(280px, 78vw);
    margin: 0 auto;
  }

  .idx-ai-media img {
    width: 100%;
    max-width: 100%;
    max-height: min(36vh, 240px);
    height: auto;
    margin: 0 auto;
    object-fit: contain;
    transform: none;
  }

  .idx-ai-media img:hover {
    transform: none;
  }
}

@media (max-width: 480px) {
  .idx-ai-media {
    max-width: min(240px, 72vw);
  }

  .idx-ai-media img {
    max-height: min(32vh, 200px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .idx-ai-btn {
    transition: none;
  }

  .idx-ai-media img {
    transform: none;
    transition: none;
  }

  .idx-ai-media img:hover {
    transform: none;
  }
}

/* ============================================
   首页 · 企业荣誉 & 专利证书（对齐 index-zl-bg 16:9 画板）
   ============================================ */
.idx-honors {
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: #0a0a0a;
  color: #ffffff;
  padding: clamp(40px, 5.5vw, 72px) 0;
}

.idx-honors-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.idx-honors-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.idx-honors-inner {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(14px, 2.2vw, 24px);
  width: min(100%, 1080px);
  margin: 0 auto;
  padding: 0 clamp(20px, 8vw, 96px);
  text-align: center;
}

.idx-honors-header {
  flex: 0 0 auto;
  width: 100%;
  max-width: 46em;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.idx-honors-title {
  font-family: var(--font-nav);
  font-size: clamp(1.25rem, 2.4vw, 2.125rem);
  font-weight: 700;
  margin: 0 0 clamp(8px, 1.2vw, 14px);
  letter-spacing: 0.06em;
  color: #ffffff;
  line-height: 1.3;
}

.idx-honors-desc {
  font-family: var(--font-nav);
  font-size: clamp(0.75rem, 1.15vw, 0.9375rem);
  font-weight: 400;
  line-height: 1.75;
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
}

.idx-honors-visual {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(10px, 1.8vw, 20px);
  align-items: start;
  width: 100%;
  margin: 0;
  padding: 0;
}

.idx-honors-visual-item {
  margin: 0;
  display: block;
  min-width: 0;
}

.idx-honors-visual-item img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center top;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

@media (max-width: 768px) {
  .idx-honors {
    padding: clamp(32px, 8vw, 48px) 0;
  }

  .idx-honors-bg img {
    object-position: center top;
  }

  .idx-honors-inner {
    gap: clamp(12px, 3.5vw, 20px);
    padding: 0 var(--space-md);
  }

  .idx-honors-title {
    font-size: clamp(1rem, 4.2vw, 1.375rem);
    letter-spacing: 0.04em;
  }

  .idx-honors-desc {
    font-size: clamp(0.6875rem, 2.8vw, 0.8125rem);
    line-height: 1.65;
  }

  .idx-honors-visual {
    grid-template-columns: 1fr;
    gap: clamp(16px, 4.5vw, 24px);
  }
}

/* ============================================
   首页 · 关于我们（全宽背景图，对齐设计稿 #F36101）
   ============================================ */
.idx-about {
  --idx-about-orange: #f36101;

  position: relative;
  isolation: isolate;
  min-height: clamp(520px, 78vh, 860px);
  padding: clamp(44px, 7vw, 96px) var(--space-lg) clamp(48px, 6vw, 80px);
  background: #1e1e1e url('../img/index-bgl.png') center / cover no-repeat;
  color: #ffffff;
}

.idx-about-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.22) 0%,
    rgba(0, 0, 0, 0.12) 45%,
    rgba(0, 0, 0, 0.58) 100%
  );
}

.idx-about-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  min-height: clamp(420px, 62vh, 680px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  text-align: center;
}

.idx-about-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: clamp(12px, 2.5vw, 32px);
}

/* 设计稿：「关于我们」大号白字 */
.idx-about-title {
  font-family: var(--font-nav);
  font-size: clamp(1.875rem, 4.2vw, 2.875rem);
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  letter-spacing: 0.14em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

/* 主视觉组内紧凑；与底部段落拉开距离 */
.idx-about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: clamp(28px, 4vw, 44px);
  padding: 11px 32px 11px 36px;
  border-radius: 50px;
  background-color: var(--idx-about-orange);
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: clamp(0.9375rem, 1.5vw, 1rem);
  font-weight: 600;
  text-decoration: none;
  line-height: 1.4;
  cursor: pointer;
  box-shadow: 0 4px 22px rgba(0, 0, 0, 0.28);
  transition: background-color var(--transition-base), transform var(--transition-fast);
}

.idx-about-btn-icon {
  flex-shrink: 0;
  display: block;
  margin-top: 1px;
}

.idx-about-btn:hover {
  background-color: #dc5701;
  color: #ffffff;
}

.idx-about-btn:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
}

.idx-about-slogan {
  font-family: var(--font-nav);
  font-size: clamp(1.0625rem, 2.1vw, 1.3125rem);
  font-weight: 700;
  color: var(--idx-about-orange);
  margin: clamp(10px, 1.4vw, 14px) 0 0;
  letter-spacing: 0.06em;
  line-height: 1.45;
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.35);
}

.idx-about-desc {
  font-family: var(--font-nav);
  font-size: clamp(0.875rem, 1.45vw, 1rem);
  font-weight: 600;
  color: #ffffff;
  line-height: 1.75;
  margin: 0;
  /* 相对原间距缩小 40%：原 padding-top 约 40～88px → ×0.6 */
  padding: clamp(24px, 3.9vh, 53px) clamp(12px, 4vw, 32px) 0;
  width: 100%;
  max-width: min(52rem, 88vw);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
}

@media (max-width: 768px) {
  .idx-about {
    min-height: 0;
  }

  .idx-about-inner {
    min-height: 0;
  }

  .idx-about-desc {
    margin-top: clamp(24px, 4.8vw, 38px);
    padding-top: 0;
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .idx-about-btn {
    transition: none;
  }
}

/* ============================================
   首页 · AI + 设备 + 数据（黑底三卡）
   ============================================ */
.idx-product {
  background: #000000;
  color: #ffffff;
  padding: clamp(48px, 8vw, 96px) var(--space-lg);
}

.idx-product-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.idx-product-header {
  text-align: center;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.idx-product-title {
  font-family: var(--font-nav);
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
  color: #ffffff;
}

.idx-product-subtitle {
  font-family: var(--font-nav);
  font-size: clamp(0.9375rem, 1.8vw, 1.125rem);
  font-weight: 400;
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}

.idx-product-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  scroll-behavior: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  margin: 0;
  padding: 0 0 6px;
  width: 100%;
  container-type: inline-size;
  container-name: idx-product;
  scrollbar-width: none;
  cursor: grab;
  overscroll-behavior-x: contain;
  outline: none;
}

.idx-product-scroll:focus-visible {
  box-shadow: 0 0 0 2px rgba(230, 90, 40, 0.45);
  border-radius: 4px;
}

.idx-product-scroll:active {
  cursor: grabbing;
}

.idx-product-scroll.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
  user-select: none;
}

.idx-product-scroll.is-dragging img {
  pointer-events: none;
}

.idx-product-scroll::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.idx-product-cards {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: clamp(12px, 1.6vw, 20px);
  width: max-content;
  padding-bottom: 2px;
}

.idx-product-card {
  position: relative;
  display: block;
  /* 1200px 内容区内约三张半，比例较原稿缩小，仍可横向拖动 */
  flex: 0 0 clamp(220px, calc((100cqi - 40px) / 3.15), 360px);
  scroll-snap-align: start;
  border-radius: clamp(14px, 1.8vw, 22px);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  touch-action: pan-x;
  text-decoration: none;
  color: inherit;
}

@supports not (width: 100cqi) {
  .idx-product-card {
    flex: 0 0 clamp(220px, 352px, 360px);
  }
}

@media (max-width: 768px) {
  .idx-product-card {
    flex: 0 0 clamp(200px, 72vw, 280px);
  }
}

.idx-product-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  -webkit-user-drag: none;
  user-select: none;
}

.idx-product-scrollbar {
  margin-top: clamp(20px, 3vw, 32px);
  padding: 0;
}

.idx-product-scrollbar--inactive {
  opacity: 0.35;
  pointer-events: none;
}

/* 细轨道：浅灰全宽 2px；橙色段盖在上面，可拖区域略增高便于点击 */
.idx-product-scrollbar-track {
  position: relative;
  height: 12px;
  display: flex;
  align-items: center;
  cursor: pointer;
}

.idx-product-scrollbar-track::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 2px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 1px;
  pointer-events: none;
  z-index: 0;
}

.idx-product-scrollbar-thumb {
  position: absolute;
  left: 0;
  top: 50%;
  height: 16px;
  margin-top: -8px;
  min-width: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: grab;
  box-shadow: none;
  transform: translate(0, 0);
  touch-action: none;
  z-index: 1;
}

.idx-product-scrollbar-thumb::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  pointer-events: none;
}

.idx-product-scrollbar-thumb:active {
  cursor: grabbing;
}

.idx-product-scrollbar-thumb:focus-visible {
  outline: 1px solid rgba(255, 255, 255, 0.85);
  outline-offset: 3px;
}

/* ============================================
   移动端菜单按钮
   ============================================ */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 6px;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-fast);
  transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   移动端导航
   ============================================ */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--color-bg);
  z-index: 1002;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
}

.mobile-nav.active {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.mobile-nav-title {
  font-size: 1.125rem;
  font-weight: 600;
}

.mobile-nav-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.mobile-nav-close:hover {
  color: var(--color-text);
}

.mobile-nav-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md) 0;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  background: transparent;
  text-align: left;
  transition: background var(--transition-fast);
}

.mobile-nav-link:hover {
  background: var(--color-bg-secondary);
}

.mobile-nav-link.has-children {
  cursor: pointer;
}

.mobile-nav-icon {
  transition: transform var(--transition-fast);
  color: var(--color-text-light);
}

.mobile-nav-link[aria-expanded="true"] .mobile-nav-icon {
  transform: rotate(180deg);
}

.mobile-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
  background: var(--color-bg-secondary);
}

.mobile-submenu.active {
  max-height: 3200px;
}

.mobile-submenu-section {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-submenu-section:last-child {
  border-bottom: none;
}

.mobile-submenu-title {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  padding-left: var(--space-md);
}

.mobile-submenu-link {
  display: block;
  padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-lg);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.mobile-submenu-link[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
}

.mobile-submenu-link:hover {
  color: var(--color-primary);
}

.mobile-submenu-cta {
  display: block;
  margin: var(--space-md) var(--space-lg) var(--space-lg);
  padding: 12px var(--space-lg);
  text-align: center;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #ffffff;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.mobile-submenu-cta:hover {
  background: var(--color-primary-hover);
  color: #ffffff;
}

.mobile-nav-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.mobile-hotline {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.mobile-hotline svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

.mobile-hotline-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.mobile-hotline-number {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* ============================================
   遮罩层
   ============================================ */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   响应式断点
   ============================================ */

/* 平板 (1024px以下) */
@media (max-width: 1024px) {
  .header-right {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .header-inner {
    height: var(--header-height-mobile);
  }
  
  .mega-menu {
    display: none;
  }

  .page-index .hero-banner {
    margin-top: var(--header-height-mobile);
  }

}

/* 手机 (768px以下) */
@media (max-width: 768px) {
  :root {
    --header-height-mobile: 56px;
  }
  
  .header-inner {
    padding: 0 var(--space-md);
  }

  .logo {
    max-width: min(54vw, 220px);
  }

  .logo-img {
    height: clamp(30px, 7.5vw, 38px);
  }
  
  .logo-main {
    font-size: 1.25rem;
  }
  
  .logo-sub {
    font-size: 0.75rem;
  }
  
  .mobile-nav {
    max-width: 100%;
  }

  .hero-banner {
    height: clamp(220px, 52vw, 400px);
    min-height: clamp(220px, 52vw, 400px);
  }

  .page-index .partner-wall-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .page-index .partner-wall-title {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .page-index .idx-product {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .page-index .idx-product-scroll {
    scroll-padding-left: var(--space-md);
  }

  .page-index .idx-industry {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .page-index .idx-industry-card-text {
    padding: clamp(12px, 3vw, 20px);
  }

  .page-index .idx-ai {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .page-index .idx-about {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .page-index .idx-honors-visual-item img {
    max-width: 100%;
    height: auto;
  }

  .banner-footer {
    right: var(--space-md);
    bottom: 16px;
    gap: 12px;
  }

  .banner-btn {
    padding: 10px 32px;
    font-size: 1rem;
  }

  .banner-nav-btn {
    width: 40px;
    height: 40px;
    opacity: 1;
  }

  .banner-prev {
    left: var(--space-md);
  }

  .banner-next {
    right: var(--space-md);
  }

  .banner-footer .banner-pagination,
  .hero-banner > .banner-pagination {
    gap: 8px;
  }

  .hero-banner > .banner-pagination {
    bottom: 16px;
    right: var(--space-md);
  }

  .pagination-dot {
    width: 20px;
    height: 3px;
  }

  .pagination-dot.active {
    width: 28px;
  }
}

@media (max-width: 480px) {
  .hero-banner {
    height: clamp(200px, 48vw, 320px);
    min-height: clamp(200px, 48vw, 320px);
  }

  .page-index .idx-industry-grid {
    gap: 8px;
  }

  .page-index .idx-industry-card-cn {
    font-size: clamp(0.875rem, 3.8vw, 1.0625rem);
  }

  .page-index .idx-industry-card-en {
    font-size: clamp(0.5625rem, 2.4vw, 0.6875rem);
    letter-spacing: 0.08em;
  }

  .banner-nav-btn {
    width: 36px;
    height: 36px;
  }

  .banner-nav-btn svg {
    width: 18px;
    height: 18px;
  }
}

/* 小屏手机 (480px以下) */
@media (max-width: 480px) {
  .logo-divider,
  .logo-sub {
    display: none;
  }

  .logo {
    max-width: min(62vw, 180px);
  }

  .logo-img {
    height: clamp(26px, 7vw, 32px);
  }
  
  .mobile-menu-toggle {
    width: 40px;
    height: 40px;
  }
}

/* ============================================
   无障碍支持
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* 焦点样式 */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* 隐藏焦点样式（鼠标用户） */
:focus:not(:focus-visible) {
  outline: none;
}

/* ============================================
   深色模式支持
   ============================================ */
@media (prefers-color-scheme: dark) {
  :root {
    --color-text: #f0f0f0;
    --color-text-secondary: #b0b0b0;
    --color-bg: #1a1a1a;
    --color-bg-secondary: #2a2a2a;
    --color-border: #333333;
    --color-border-light: #3a3a3a;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  }

  /* 顶栏与下拉按设计稿保持白底 */
  .header {
    background: #ffffff;
  }

  .header.scrolled {
    background: rgba(255, 255, 255, 0.96);
  }

  .header .nav-link {
    color: var(--color-primary);
  }

  .header .nav-item:hover > .nav-link {
    color: var(--color-primary);
  }

  .mega-menu,
  .mega-menu-inner,
  .mega-menu--popover {
    background: #ffffff !important;
  }

  .menu-item {
    background: #ffffff;
    color: #333333;
    border-color: #f0f0f0;
  }

  .mega-menu-inner .service-col-title {
    color: #1a1a1a;
  }

  .popover-link {
    color: #333333;
  }

  .service-col-list a {
    color: #666666;
  }
}

/* ============================================
   首页 · 联系我们 CTA
   ============================================ */
.idx-contact {
  --idx-contact-orange: #f36101;

  padding: clamp(40px, 7vw, 72px) var(--space-lg);
  background-color: #ffffff;
}

.idx-contact-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.idx-contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--idx-contact-orange);
  border-radius: 14px;
  background-color: #ffffff;
}

.idx-contact-media {
  margin: 0;
  min-height: clamp(220px, 32vw, 360px);
  overflow: hidden;
}

.idx-contact-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  object-position: center;
}

.idx-contact-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vw, 18px);
  padding: clamp(28px, 5vw, 48px) clamp(20px, 4vw, 40px);
  text-align: center;
}

.idx-contact-symbol {
  display: block;
  width: clamp(44px, 6vw, 56px);
  height: auto;
}

.idx-contact-title {
  font-family: var(--font-nav);
  font-size: clamp(1.25rem, 2.8vw, 1.875rem);
  font-weight: 700;
  line-height: 1.35;
  color: #1a1a1a;
  margin: 0;
  max-width: 18em;
}

.idx-contact-lead {
  font-family: var(--font-nav);
  font-size: clamp(0.875rem, 1.6vw, 1rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 22em;
}

.idx-contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: clamp(8px, 1.5vw, 14px);
  padding: 12px 32px;
  border-radius: var(--radius-full);
  background-color: var(--idx-contact-orange);
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color var(--transition-base), transform var(--transition-fast);
}

.idx-contact-btn:hover {
  background-color: #d9550e;
  color: #ffffff;
}

.idx-contact-btn:focus-visible {
  outline: 3px solid var(--idx-contact-orange);
  outline-offset: 3px;
}

.idx-contact-btn-icon {
  display: block;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.idx-contact-hotline {
  display: block;
  margin: 0;
  font-family: var(--font-nav);
  font-size: clamp(1.125rem, 2.2vw, 1.375rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--idx-contact-orange);
  text-decoration: none;
  transition: color var(--transition-base);
}

.idx-contact-hotline:hover {
  color: #d9550e;
}

.idx-contact-hotline:focus-visible {
  outline: 3px solid var(--idx-contact-orange);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (max-width: 768px) {
  .idx-contact {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .idx-contact-card {
    grid-template-columns: 1fr;
  }

  .idx-contact-media {
    min-height: clamp(180px, 42vw, 260px);
    max-height: 280px;
  }

  .idx-contact-body {
    padding: clamp(24px, 5vw, 36px) var(--space-md);
  }
}

/* ============================================
   站点页脚
   ============================================ */
.site-footer {
  --site-footer-orange: #f36101;
  --site-footer-bg: #f2f2f2;

  background-color: var(--site-footer-bg);
  color: var(--color-text-secondary);
}

.site-footer-main {
  border-bottom: 1px solid #dddddd;
}

.site-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(36px, 6vw, 56px) var(--space-lg) clamp(28px, 5vw, 40px);
  display: grid;
  grid-template-columns: minmax(220px, 2.2fr) repeat(4, minmax(0, 0.9fr)) auto;
  gap: clamp(24px, 4vw, 40px) clamp(16px, 2.5vw, 28px);
  align-items: start;
}

.site-footer-col:first-child .site-footer-list a {
  white-space: nowrap;
}

.site-footer-heading {
  font-family: var(--font-nav);
  font-size: 1rem;
  font-weight: 700;
  color: var(--site-footer-orange);
  margin: 0 0 14px;
  line-height: 1.3;
}

.site-footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer-list a {
  display: inline-block;
  padding: 4px 0;
  font-family: var(--font-nav);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer-list a:hover {
  color: var(--site-footer-orange);
}

.site-footer-list a:focus-visible {
  outline: 2px solid var(--site-footer-orange);
  outline-offset: 2px;
  border-radius: 2px;
}

.site-footer-address {
  font-style: normal;
  font-family: var(--font-nav);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.site-footer-address p {
  margin: 0 0 8px;
}

.site-footer-address p:last-child {
  margin-bottom: 0;
}

.site-footer-address a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer-address a:hover {
  color: var(--site-footer-orange);
}

.site-footer-aside {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 0;
}

/* 三列：图标 → 二维码 → 文案（对齐设计稿） */
.site-footer-channels {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(20px, 3.5vw, 36px);
}

.site-footer-channel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(8px, 1.2vw, 12px);
  flex: 0 1 auto;
  min-width: clamp(72px, 12vw, 96px);
}

.site-footer-channel-icon {
  display: block;
  line-height: 0;
  text-decoration: none;
}

.site-footer-channel-icon:focus-visible {
  outline: 2px solid var(--site-footer-orange);
  outline-offset: 3px;
  border-radius: 6px;
}

.site-footer-channel-icon img {
  display: block;
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.site-footer-channel-qr {
  margin: 0;
  padding: 0;
  line-height: 0;
}

.site-footer-channel-qr img {
  display: block;
  width: clamp(72px, 10vw, 88px);
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.site-footer-channel-label {
  margin: 0;
  font-family: var(--font-nav);
  font-size: 0.8125rem;
  font-weight: 400;
  color: #333333;
  line-height: 1.4;
  text-align: center;
}

.site-footer-bottom {
  padding: clamp(16px, 3vw, 22px) var(--space-lg);
}

.site-footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px clamp(20px, 5vw, 64px);
  max-width: 1200px;
  margin: 0 auto;
}

.site-footer-copy {
  margin: 0;
  font-family: var(--font-nav);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: #888888;
  text-transform: uppercase;
}

.site-footer-credit {
  margin: 0;
  font-family: var(--font-nav);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: #888888;
  text-decoration: none;
  white-space: nowrap;
}

.site-footer-credit:hover {
  color: #666666;
  text-decoration: underline;
}

.site-footer-credit:focus-visible {
  outline: 2px solid #888888;
  outline-offset: 2px;
  border-radius: 2px;
}

@media (max-width: 1024px) {
  .site-footer-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .site-footer-col:first-child .site-footer-list a {
    white-space: normal;
  }

  .site-footer-col--contact {
    grid-column: span 1;
  }

  .site-footer-aside {
    grid-column: 1 / -1;
    align-items: flex-end;
  }
}

/* 移动端页脚：单列分组，对齐设计稿 */
@media (max-width: 768px) {
  .site-footer-inner {
    grid-template-columns: 1fr;
    gap: 0;
    padding: clamp(28px, 6vw, 36px) var(--space-md) clamp(24px, 5vw, 32px);
  }

  .site-footer-col {
    padding: 18px 0;
    border-bottom: 1px solid #e2e2e2;
  }

  .site-footer-col--contact {
    grid-column: auto;
    padding-bottom: 20px;
  }

  .site-footer-heading {
    margin-bottom: 10px;
    font-size: 0.9375rem;
  }

  .site-footer-list a {
    padding: 6px 0;
    font-size: 0.8125rem;
    line-height: 1.5;
  }

  .site-footer-address {
    font-size: 0.8125rem;
    line-height: 1.6;
  }

  .site-footer-address p {
    margin-bottom: 6px;
  }

  .site-footer-aside {
    grid-column: auto;
    align-items: flex-start;
    padding-top: 20px;
    border-bottom: none;
  }

  .site-footer-channels {
    width: 100%;
    justify-content: space-around;
    gap: 16px 24px;
  }

  .site-footer-channel-qr img {
    width: 80px;
  }

  .site-footer-bottom {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .site-footer-copy {
    font-size: 0.6875rem;
    line-height: 1.5;
  }

  .site-footer-credit {
    font-size: 0.6875rem;
    line-height: 1.5;
    white-space: normal;
  }

  .site-footer-bottom-inner {
    gap: 6px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .idx-contact-btn,
  .site-footer-list a {
    transition: none;
  }
}

/* ============================================
   产品列表页 Product-list.html
   ============================================ */
.page-product-list,
.page-product {
  background-color: #ffffff;
}

.pl-page {
  display: flex;
  flex-direction: column;
  min-height: auto;
  padding-left: 52px;
}

.pl-body {
  flex: 1;
  padding: clamp(24px, 4vw, 40px) var(--space-lg) clamp(32px, 5vw, 48px);
}

.pl-layout {
  display: grid;
  grid-template-columns: minmax(200px, 240px) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}

.pl-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 左侧分类导航 */
.pl-nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pl-nav-item {
  border-bottom: 1px solid #eeeeee;
}

.pl-nav-item:first-child {
  border-top: 1px solid #eeeeee;
}

.pl-nav-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 16px 4px;
  font-family: var(--font-nav);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.4;
  color: #333333;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.pl-nav-item.is-active > .pl-nav-toggle {
  color: #f36101;
  font-weight: 600;
}

/* 产品列表 · 扁平分类导航（无下拉） */
.pl-nav-list--flat .pl-nav-category-link {
  display: block;
  width: 100%;
  padding: 16px 20px;
  font-family: var(--font-nav);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.4;
  color: #333333;
  text-align: left;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.pl-nav-list--flat .pl-nav-category-link:hover {
  color: #f36101;
}

.pl-nav-item--flat.is-active > .pl-nav-category-link,
.pl-nav-list--flat .pl-nav-category-link.is-active,
.pl-nav-list--flat .pl-nav-category-link[aria-current="page"] {
  color: #f36101;
  font-weight: 600;
  box-shadow: inset 3px 0 0 #f36101;
  padding-left: 20px;
}

.pl-nav-item.is-open > .pl-nav-toggle .pl-nav-chevron {
  transform: rotate(180deg);
}

.pl-nav-chevron {
  flex-shrink: 0;
  color: currentColor;
  transition: transform var(--transition-base);
}

.pl-nav-sub {
  margin: 0;
  padding: 0 0 12px 12px;
  list-style: none;
}

.pl-nav-sub[hidden] {
  display: none;
}

.pl-nav-sub-link {
  display: block;
  width: 100%;
  padding: 6px 0;
  font-family: var(--font-nav);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: #888888;
  text-align: left;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

button.pl-nav-sub-link {
  appearance: none;
  -webkit-appearance: none;
}

.pl-nav-sub-link:hover,
.pl-nav-sub-link.is-active {
  color: #f36101;
}

/* 产品网格 */
.pl-panel[hidden] {
  display: none;
}

.pl-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 32px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.pl-card {
  margin: 0;
}

.pl-card-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  padding: clamp(16px, 2.5vw, 24px) clamp(12px, 2vw, 20px) clamp(20px, 3vw, 28px);
  text-align: center;
  text-decoration: none;
  color: inherit;
  background: #ffffff;
  border: 1px solid transparent;
  border-radius: 4px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.pl-card.is-highlight .pl-card-inner,
.pl-card-inner:hover,
.pl-card-inner:focus-visible {
  border-color: #d8d8d8;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.pl-card-media {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: clamp(160px, 22vw, 220px);
  margin-bottom: clamp(12px, 2vw, 18px);
}

.pl-card-media img {
  width: auto;
  max-width: 100%;
  max-height: clamp(160px, 22vw, 220px);
  height: auto;
  object-fit: contain;
}

.pl-card-title {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-family: var(--font-nav);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  font-weight: 400;
  line-height: 1.4;
  color: #666666;
}

.pl-card-btn {
  display: inline-block;
  margin-top: auto;
  padding: 10px 28px;
  border-radius: var(--radius-full);
  background-color: #f36101;
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.4;
}

/* 左侧固定快捷入口 */
.pl-fixed-tools {
  position: fixed;
  left: 0;
  top: 50%;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transform: translateY(calc(-50% + 25vh));
}

.pl-fixed-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 52px;
  padding: 10px 6px;
  background-color: #f36101;
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: 0.625rem;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
}

.pl-fixed-btn img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.pl-fixed-btn-text {
  display: block;
  max-width: 100%;
  word-break: break-all;
}

/* 底部橙色服务条 */
.pl-bar {
  flex-shrink: 0;
  background-color: #f36101;
  color: #ffffff;
}

.pl-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(14px, 2.5vw, 18px) var(--space-lg);
}

.pl-bar-hotline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: clamp(1.125rem, 2.2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.pl-bar-hotline img {
  width: clamp(28px, 4vw, 36px);
  height: auto;
  object-fit: contain;
}

.pl-bar-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 3vw, 40px);
}

.pl-bar-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: clamp(0.8125rem, 1.4vw, 0.9375rem);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.pl-bar-link-icon {
  display: block;
  flex-shrink: 0;
  width: clamp(20px, 2.5vw, 24px);
  height: auto;
  object-fit: contain;
}

@media (max-width: 1024px) {
  .pl-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .pl-page {
    padding-left: 0;
  }

  .pl-body {
    padding: var(--space-md);
    padding-bottom: 24px;
  }

  .pl-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .pl-nav {
    border: 1px solid #eeeeee;
    border-radius: 6px;
    overflow: hidden;
  }

  .pl-nav-item:first-child {
    border-top: none;
  }

  .pl-nav-item:last-child {
    border-bottom: none;
  }

  .pl-nav-toggle {
    padding: 14px var(--space-md);
  }

  .pl-nav-sub {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .pl-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }

  .pl-fixed-tools {
    top: auto;
    bottom: 72px;
    transform: none;
    flex-direction: row;
    left: 0;
    right: 0;
    width: 100%;
  }

  .pl-fixed-btn {
    flex: 1;
    flex-direction: row;
    width: auto;
    padding: 10px 8px;
    font-size: 0.75rem;
  }

  .pl-fixed-btn-text {
    word-break: normal;
  }

  .pl-bar-inner {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-md);
    gap: var(--space-md);
  }

  .pl-bar-hotline {
    justify-content: center;
    font-size: 1.25rem;
  }

  .pl-bar-nav {
    justify-content: center;
    gap: 12px 20px;
  }
}

@media (max-width: 480px) {
  .pl-bar-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .pl-bar-link {
    justify-content: center;
    white-space: normal;
    text-align: center;
    font-size: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pl-nav-toggle,
  .pl-nav-chevron,
  .pl-card-inner {
    transition: none;
  }
}

/* ============================================
   产品详情页 Product.html
   ============================================ */
.page-product {
  background-color: #ffffff;
}

.pd-hero {
  margin-top: var(--header-height);
  background-color: #f5f5f5;
}

.pd-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(20px, 4vw, 48px);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 56px) var(--space-lg);
}

.pd-hero-title {
  margin: 0 0 clamp(16px, 2.5vw, 24px);
  font-family: var(--font-nav);
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  font-weight: 700;
  line-height: 1.35;
  color: #1a1a1a;
}

.pd-hero-desc {
  margin: 0 0 clamp(24px, 3vw, 32px);
  max-width: 52em;
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  line-height: 1.75;
  color: #666666;
}

.pd-hero-btn {
  display: inline-block;
  padding: 12px clamp(20px, 3vw, 32px);
  border-radius: var(--radius-full);
  background-color: #f36101;
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.pd-hero-btn:hover {
  background-color: var(--color-primary-hover, #e55a28);
  transform: translateY(-1px);
}

.pd-hero-btn:focus-visible {
  outline: 3px solid #f36101;
  outline-offset: 2px;
}

.pd-hero-media {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  background: transparent;
  border: none;
  box-shadow: none;
}

.pd-hero-media img {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  margin-left: auto;
  margin-right: clamp(-8px, -1.5vw, 0);
  padding: 0;
  object-fit: contain;
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  mix-blend-mode: multiply;
  transform: translateX(clamp(12px, 2.5vw, 32px));
}

.pd-page.pl-page {
  padding-left: 52px;
}

.pd-body.pl-body {
  padding-top: clamp(20px, 3vw, 32px);
}

.pd-content {
  min-width: 0;
}

.pd-detail {
  border: 1px solid #eeeeee;
  background-color: #ffffff;
}

.pd-detail-head {
  padding: 14px 20px;
  background-color: #f0f0f0;
  border-bottom: 1px solid #e8e8e8;
}

.pd-detail-heading {
  margin: 0;
  font-family: var(--font-nav);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: #333333;
}

.pd-detail-body {
  min-height: clamp(200px, 30vw, 320px);
  padding: clamp(20px, 3vw, 32px);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #888888;
}

.pd-detail-body p {
  margin: 0;
}

.pd-detail-body img {
  max-width: 100%;
  height: auto;
}

@media (max-width: 1024px) {
  .pd-hero-inner {
    grid-template-columns: 1fr;
  }

  .pd-hero-media {
    order: -1;
  }

  .pd-hero-media {
    justify-content: center;
  }

  .pd-hero-media img {
    max-width: 400px;
    margin: 0 auto;
    transform: none;
  }

  .pd-hero-desc {
    max-width: none;
  }
}

@media (max-width: 768px) {
  .pd-hero {
    margin-top: var(--header-height-mobile);
  }

  .pd-page.pl-page {
    padding-left: 0;
  }

  .pd-hero-inner {
    padding: var(--space-md);
  }

  .pd-hero-title {
    font-size: 1.375rem;
  }

  .pd-hero-btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pd-hero-btn {
    transition: none;
  }
}

/* ============================================
   行业应用页 Hangye.html
   ============================================ */
.page-hangye {
  background-color: #ffffff;
}

.hy-banner {
  margin-top: var(--header-height);
  line-height: 0;
}

.hy-banner-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: clamp(220px, 38vw, 480px);
  object-fit: cover;
  object-position: center;
}

.hy-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.hy-section-title {
  margin: 0 0 clamp(28px, 4vw, 44px);
  font-family: var(--font-nav);
  font-size: clamp(1.0625rem, 2vw, 1.375rem);
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  color: #f36101;
}

.hy-gallery {
  padding: clamp(36px, 5vw, 60px) 0;
}

.hy-pic-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2.5vw, 28px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.hy-pic-item {
  margin: 0;
  text-align: center;
}

.hy-pic-media {
  margin: 0 0 10px;
  overflow: hidden;
  border-radius: 8px;
}

.hy-pic-media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hy-pic-caption {
  margin: 0;
  font-size: clamp(0.8125rem, 1.4vw, 0.9375rem);
  line-height: 1.5;
  color: #333333;
}

.hy-solutions {
  padding: clamp(32px, 5vw, 56px) 0 clamp(40px, 5vw, 64px);
}

.hy-lead {
  max-width: 52em;
  margin: 0 auto clamp(36px, 5vw, 52px);
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  text-align: center;
  color: #f36101;
}

.hy-lead--emphasis {
  font-weight: 700;
}

.hy-lead--bottom {
  margin-top: clamp(36px, 5vw, 52px);
  margin-bottom: 0;
}

.hy-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: stretch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.hy-feature:last-of-type {
  margin-bottom: 0;
}

.hy-feature-media {
  margin: 0;
  align-self: start;
}

.hy-feature-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.hy-feature-body {
  display: flex;
  flex-direction: column;
  align-self: stretch;
  height: 100%;
  box-sizing: border-box;
  padding-top: clamp(10px, 1.5vw, 16px);
}

.hy-feature-text {
  margin: 0;
  flex: 0 0 auto;
  padding-bottom: clamp(20px, 3vw, 32px);
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  line-height: 2.2;
  color: #333333;
}

.hy-feature-text :is(p, li, span, div) {
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.hy-feature-text p {
  margin: 0;
}

.hy-feature-text p + p {
  margin-top: 0.4em;
}

.hy-feature-text ul,
.hy-feature-text ol {
  margin: 0;
  padding-left: 1.2em;
  list-style-type: disc;
}

.hy-feature-text li {
  margin: 0;
}

.hy-feature-text li::marker {
  color: #333333;
}

.hy-feature-text li + li {
  margin-top: 0.4em;
}

.hy-feature-body .hy-btn {
  flex: 0 0 auto;
  flex-shrink: 0;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  max-width: 100%;
  height: auto;
  margin-top: auto;
  padding: 10px 36px;
  line-height: 1.2;
  white-space: nowrap;
  box-sizing: border-box;
}

.page-hangye .pl-bar {
  border-top: 1px solid #e5e5e5;
  border-bottom: 1px solid #e5e5e5;
}

.hy-btn {
  display: inline-block;
  padding: 10px 36px;
  border-radius: var(--radius-full);
  background-color: #f36101;
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.hy-btn:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.hy-btn:focus-visible {
  outline: 3px solid #f36101;
  outline-offset: 2px;
}

@media (max-width: 1024px) {
  .hy-pic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .hy-banner {
    margin-top: var(--header-height-mobile);
  }

  .hy-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .hy-feature,
  .hy-feature--reverse {
    grid-template-columns: 1fr;
  }

  .hy-feature--reverse .hy-feature-media {
    order: -1;
  }

  .hy-feature-body {
    display: block;
    height: auto;
    padding-top: 0;
  }

  .hy-feature-text {
    padding-bottom: 0;
  }

  .hy-feature-body .hy-btn {
    margin-top: clamp(20px, 3vw, 28px);
  }

  .hy-btn {
    display: block;
    width: fit-content;
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .hy-pic-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hy-btn {
    transition: none;
  }
}

/* ============================================
   公司简介页 gongsi.html
   ============================================ */
.page-gongsi {
  background-color: #ffffff;
}

.gs-hero,
.gs-banner {
  position: relative;
  margin-top: var(--header-height);
  line-height: 0;
  background-color: #f5f5f5;
}

.gs-hero-media {
  line-height: 0;
}

.gs-banner-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: cover;
  object-position: center;
}

.gs-hero-nav {
  position: absolute;
  top: clamp(20px, 3.5vw, 40px);
  right: clamp(16px, 4vw, 48px);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-width: clamp(120px, 14vw, 160px);
  padding: clamp(10px, 1.5vw, 14px) 0;
  background-color: #ffffff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  pointer-events: auto;
}

.gs-hero-nav-link {
  display: block;
  padding: clamp(8px, 1.2vw, 10px) clamp(16px, 2vw, 22px);
  font-family: var(--font-nav);
  font-size: clamp(0.8125rem, 1.2vw, 0.875rem);
  line-height: 1.45;
  color: #333333;
  text-decoration: none;
  transition: color var(--transition-base);
}

.gs-hero-nav-link.is-active,
.gs-hero-nav-link[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
}

.gs-hero-nav-link:hover {
  color: var(--color-primary);
}

.gs-hero-nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.gs-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.gs-block {
  padding: clamp(40px, 6vw, 64px) 0;
}

.gs-block--culture {
  padding-top: clamp(16px, 3vw, 32px);
}

.gs-section-title {
  margin: 0 0 clamp(28px, 4vw, 44px);
  font-family: var(--font-nav);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
  color: #f36101;
}

.gs-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.gs-split--reverse .gs-media {
  grid-column: 2;
  grid-row: 1;
}

.gs-split--reverse .gs-prose,
.gs-split--reverse .gs-culture-wrap {
  grid-column: 1;
  grid-row: 1;
}

.gs-culture-wrap {
  min-width: 0;
}

.gs-media {
  margin: 0;
}

.gs-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.gs-prose {
  color: #333333;
}

.gs-prose p {
  margin: 0 0 1em;
  font-size: clamp(0.875rem, 1.4vw, 0.9375rem);
  line-height: 1.85;
  text-align: justify;
}

.gs-prose p:last-child {
  margin-bottom: 0;
}

.gs-culture-list {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vw, 36px);
}

.gs-culture-heading {
  margin: 0 0 8px;
  font-family: var(--font-nav);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  font-weight: 700;
  line-height: 1.4;
  color: #333333;
}

.gs-culture-desc {
  margin: 0;
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  line-height: 1.75;
  color: #f36101;
}

.gs-culture-wrap h3,
.gs-culture-wrap .gs-culture-heading {
  margin: 0 0 8px;
  font-family: var(--font-nav);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  font-weight: 700;
  line-height: 1.4;
  color: #333333;
}

.gs-culture-wrap p,
.gs-culture-wrap .gs-culture-desc {
  margin: 0;
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  line-height: 1.75;
  color: #f36101;
}

.gs-culture-wrap .gs-culture-item,
.gs-culture-wrap > div {
  margin-bottom: clamp(24px, 4vw, 36px);
}

.gs-culture-wrap .gs-culture-item:last-child,
.gs-culture-wrap > div:last-child {
  margin-bottom: 0;
}

.page-gongsi .pl-bar {
  border-top: 1px solid #e5e5e5;
  border-bottom: 1px solid #e5e5e5;
}

/* ============================================
   认证与评级页 Renzheng.html
   ============================================ */
.page-renzheng {
  background-color: #ffffff;
}

.rz-banner {
  margin-top: var(--header-height);
  line-height: 0;
  background-color: #f5f5f5;
}

.rz-banner-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  object-position: center top;
}

.rz-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(36px, 5vw, 56px) var(--space-lg);
}

.rz-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.rz-intro {
  width: 100%;
  max-width: none;
  margin: 0 0 clamp(40px, 5vw, 56px);
  color: #333333;
}

.rz-intro p {
  margin: 0 0 1em;
  font-size: clamp(0.875rem, 1.4vw, 0.9375rem);
  line-height: 1.85;
  text-align: left;
}

.rz-intro p:last-child {
  margin-bottom: 0;
}

.rz-cert-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3.5vw, 40px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.rz-cert-card {
  display: flex;
  flex-direction: column;
  margin: 0;
  border: 1px solid #f36101;
  background-color: #ffffff;
}

.rz-cert-frame {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(200px, 28vw, 320px);
  padding: clamp(16px, 2.5vw, 24px);
  background-color: #f7f7f7;
}

.rz-cert-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: clamp(220px, 32vw, 300px);
  object-fit: contain;
}

.rz-cert-btn {
  display: block;
  width: 100%;
  padding: clamp(12px, 2vw, 14px);
  border: none;
  background-color: #f36101;
  color: #ffffff;
  font-family: var(--font-nav);
  font-size: clamp(0.875rem, 1.4vw, 0.9375rem);
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-base);
}

.rz-cert-btn:hover {
  background-color: var(--color-primary-hover);
}

.rz-cert-btn:focus-visible {
  outline: 3px solid #f36101;
  outline-offset: -3px;
}

.page-renzheng .pl-bar {
  border-top: 1px solid #e5e5e5;
  border-bottom: 1px solid #e5e5e5;
}

@media (max-width: 768px) {
  .rz-banner {
    margin-top: var(--header-height-mobile);
  }

  .rz-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .rz-cert-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rz-cert-btn {
    transition: none;
  }
}

@media (max-width: 768px) {
  .gs-hero,
  .gs-banner {
    margin-top: var(--header-height-mobile);
  }

  .gs-hero-nav {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    min-width: 0;
    margin: 0;
    padding: 10px var(--space-md);
    box-shadow: none;
    border-bottom: 1px solid #eeeeee;
  }

  .gs-hero-nav-link {
    padding: 6px 12px;
  }

  .gs-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .gs-split,
  .gs-split--reverse {
    grid-template-columns: 1fr;
  }

  .gs-split--reverse .gs-media,
  .gs-split--reverse .gs-prose,
  .gs-split--reverse .gs-culture-wrap {
    grid-column: auto;
    grid-row: auto;
  }

  .gs-split--reverse .gs-media {
    order: -1;
  }
}

/* ============================================
   联系我们页 Contactus.html
   ============================================ */
.page-contact {
  background-color: #ffffff;
}

.cu-hero {
  position: relative;
  margin-top: var(--header-height);
  line-height: 0;
  background-color: #f5f5f5;
}

.cu-hero-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: center;
}

.cu-hero-overlay {
  position: absolute;
  inset: 0;
  display: block;
  padding: 0;
  pointer-events: none;
}

.cu-hero-nav {
  position: absolute;
  top: clamp(16px, 3vw, 32px);
  right: clamp(16px, 4vw, 48px);
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 20px);
  padding: clamp(8px, 1.2vw, 10px) clamp(14px, 2vw, 18px);
  background-color: #ffffff;
  pointer-events: auto;
}

.cu-hero-nav-link {
  font-family: var(--font-nav);
  font-size: clamp(0.8125rem, 1.2vw, 0.875rem);
  color: #333333;
  text-decoration: none;
  transition: color var(--transition-base);
}

.cu-hero-nav-link.is-active,
.cu-hero-nav-link[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
}

.cu-hero-nav-link:hover {
  color: var(--color-primary);
}

.cu-hero-nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.cu-hero-title {
  margin: 0;
  font-family: var(--font-nav);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  color: #ffffff;
  text-align: center;
  letter-spacing: 0.04em;
  -webkit-text-stroke: clamp(2px, 0.35vw, 4px) #e65a28;
  paint-order: stroke fill;
  text-shadow:
    0 0 2px rgba(230, 90, 40, 0.85),
    2px 2px 0 #c94f1f,
    -2px 2px 0 #c94f1f,
    2px -2px 0 #c94f1f,
    -2px -2px 0 #c94f1f;
}

.cu-hero-subtitle {
  margin: clamp(6px, 1vw, 10px) 0 0;
  font-family: var(--font-nav);
  font-size: clamp(1rem, 2.2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: #ffffff;
  text-align: center;
  letter-spacing: 0.12em;
  -webkit-text-stroke: clamp(1px, 0.2vw, 2px) #e65a28;
  paint-order: stroke fill;
  text-shadow:
    1px 1px 0 #c94f1f,
    -1px 1px 0 #c94f1f,
    1px -1px 0 #c94f1f,
    -1px -1px 0 #c94f1f;
}

.cu-content {
  background-color: #ffffff;
}

.cu-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) var(--space-lg);
}

.cu-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}

.cu-info .cu-section-title {
  margin: 0 0 clamp(32px, 4.5vw, 48px);
}

.cu-section-title {
  margin: 0 0 clamp(24px, 3.5vw, 36px);
  font-family: var(--font-nav);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  font-weight: 700;
  line-height: 1.4;
  color: #1a1a1a;
}

.cu-contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.cu-contact-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  column-gap: clamp(10px, 1.5vw, 14px);
  row-gap: clamp(4px, 0.6vw, 6px);
  align-items: center;
  margin-bottom: clamp(28px, 4vw, 40px);
  font-size: clamp(0.875rem, 1.3vw, 0.9375rem);
  line-height: 1.65;
  color: #333333;
}

.cu-contact-item:last-child {
  margin-bottom: 0;
}

.cu-contact-icon {
  grid-column: 1;
  grid-row: 1;
  width: 24px;
  max-width: 24px;
  height: auto;
  object-fit: contain;
  align-self: center;
}

.cu-contact-label {
  grid-column: 2;
  grid-row: 1;
  font-weight: 400;
  color: #333333;
}

.cu-contact-value {
  grid-column: 2;
  font-weight: 400;
  color: #333333;
  text-decoration: none;
}

.cu-contact-item:not(.cu-contact-item--address) .cu-contact-value {
  grid-row: 2;
}

.cu-contact-item--address {
  align-items: start;
}

.cu-contact-item--address .cu-contact-icon {
  grid-row: 1 / -1;
  align-self: start;
  margin-top: 2px;
}

.cu-contact-item--address .cu-contact-label,
.cu-contact-item--address .cu-contact-value {
  grid-column: 2;
  grid-row: auto;
}

.cu-contact-item--address .cu-contact-label + .cu-contact-value {
  margin-bottom: clamp(10px, 1.8vw, 14px);
}

.cu-contact-item--address address.cu-contact-value {
  margin: 0;
  font-style: normal;
}

a.cu-contact-value:hover {
  color: var(--color-primary);
}

.cu-form-field {
  margin-bottom: clamp(18px, 2.5vw, 24px);
}

.cu-form-field label {
  display: block;
  margin-bottom: clamp(8px, 1.2vw, 10px);
  font-family: var(--font-nav);
  font-size: clamp(0.875rem, 1.3vw, 0.9375rem);
  font-weight: 500;
  line-height: 1.4;
  color: #333333;
}

.cu-form-field input,
.cu-form-field textarea {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: clamp(10px, 1.5vw, 12px) clamp(12px, 1.8vw, 14px);
  border: 1px solid transparent;
  border-radius: 2px;
  background-color: #f0f0f0;
  font-family: inherit;
  font-size: clamp(0.875rem, 1.3vw, 0.9375rem);
  line-height: 1.5;
  color: #1a1a1a;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.cu-form-field textarea {
  min-height: clamp(140px, 22vw, 180px);
  resize: vertical;
}

.cu-form-field input:focus,
.cu-form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: #ffffff;
}

.cu-form-field input:focus-visible,
.cu-form-field textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.cu-submit {
  display: inline-block;
  min-width: clamp(120px, 18vw, 140px);
  padding: clamp(10px, 1.5vw, 12px) clamp(28px, 4vw, 36px);
  border: none;
  border-radius: 4px;
  background-color: var(--color-primary);
  font-family: var(--font-nav);
  font-size: clamp(0.9375rem, 1.4vw, 1rem);
  font-weight: 600;
  line-height: 1.4;
  color: #ffffff;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.cu-submit:hover {
  background-color: var(--color-primary-hover);
}

.cu-submit:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.cu-form-hint {
  margin: 0 0 clamp(12px, 2vw, 16px);
  font-size: clamp(0.8125rem, 1.2vw, 0.875rem);
  line-height: 1.5;
  color: #666666;
}

.cu-form-hint.is-error {
  color: #c0392b;
}

.cu-form-hint.is-success {
  color: #2d7a3e;
}

.cu-form-field input:invalid:not(:focus):not(:placeholder-shown),
.cu-form-field textarea:invalid:not(:focus):not(:placeholder-shown) {
  border-color: #e0a090;
}

.page-contact .pl-bar {
  border-top: 1px solid #e5e5e5;
  border-bottom: 1px solid #e5e5e5;
}

@media (max-width: 768px) {
  .cu-hero {
    margin-top: var(--header-height-mobile);
  }

  .cu-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .cu-grid {
    grid-template-columns: 1fr;
    gap: clamp(36px, 8vw, 48px);
  }

  .cu-hero-nav {
    top: 12px;
    right: 12px;
    gap: 10px;
    padding: 8px 12px;
  }

  .cu-hero-title {
    -webkit-text-stroke-width: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cu-hero-nav-link,
  .cu-form-field input,
  .cu-form-field textarea,
  .cu-submit {
    transition: none;
  }
}

/* ============================================
   招聘页 zhaopin.html
   ============================================ */
.page-zhaopin {
  background-color: #ffffff;
}

.zp-hero {
  position: relative;
  margin-top: var(--header-height);
  line-height: 0;
  background-color: #1a1a1a;
}

.zp-hero-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: center;
}

.zp-hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(24px, 4vw, 48px);
  pointer-events: none;
}

.zp-hero-title {
  margin: 0;
  font-family: var(--font-nav);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  color: #ffffff;
  text-align: center;
  letter-spacing: 0.04em;
  -webkit-text-stroke: clamp(2px, 0.35vw, 4px) #e65a28;
  paint-order: stroke fill;
  text-shadow:
    0 0 2px rgba(230, 90, 40, 0.85),
    2px 2px 0 #c94f1f,
    -2px 2px 0 #c94f1f,
    2px -2px 0 #c94f1f,
    -2px -2px 0 #c94f1f;
}

.zp-hero-subtitle {
  margin: clamp(6px, 1vw, 10px) 0 0;
  font-family: var(--font-nav);
  font-size: clamp(1rem, 2.2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: #ffffff;
  text-align: center;
  letter-spacing: 0.12em;
  -webkit-text-stroke: clamp(1px, 0.2vw, 2px) #e65a28;
  paint-order: stroke fill;
  text-shadow:
    1px 1px 0 #c94f1f,
    -1px 1px 0 #c94f1f,
    1px -1px 0 #c94f1f,
    -1px -1px 0 #c94f1f;
}

.zp-jobs {
  background-color: #ffffff;
}

.zp-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(48px, 7vw, 80px) var(--space-lg);
}

.zp-jobs-quote {
  margin: 0 0 clamp(36px, 5vw, 56px);
  font-family: var(--font-nav);
  font-size: clamp(1.375rem, 2.8vw, 2rem);
  font-weight: 700;
  font-style: normal;
  line-height: 1.4;
  text-align: center;
  color: #1a1a1a;
  letter-spacing: 0.02em;
}

.zp-jobs-layout {
  display: grid;
  grid-template-columns: minmax(148px, 220px) 2px minmax(0, 1fr);
  column-gap: clamp(24px, 4vw, 48px);
  align-items: stretch;
}

.zp-tabs {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.5vw, 14px);
}

.zp-tab {
  display: block;
  width: 100%;
  padding: clamp(10px, 1.4vw, 12px) clamp(14px, 2vw, 18px);
  border: none;
  border-radius: 8px;
  background: transparent;
  font-family: var(--font-nav);
  font-size: clamp(0.875rem, 1.3vw, 1rem);
  font-weight: 500;
  line-height: 1.35;
  color: #1a1a1a;
  text-align: left;
  cursor: pointer;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.zp-tab:hover {
  color: var(--color-primary);
}

.zp-tab.is-active {
  background-color: var(--color-primary);
  color: #ffffff;
}

.zp-tab.is-active:hover {
  color: #ffffff;
}

.zp-tab:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.zp-jobs-divider {
  width: 2px;
  background-color: var(--color-primary);
  min-height: 120px;
}

.zp-panels {
  position: relative;
  min-width: 0;
}

.zp-panel {
  display: none;
}

.zp-panel.is-active {
  display: block;
}

.zp-panel-head {
  margin-bottom: clamp(20px, 3vw, 28px);
  text-align: left;
}

.zp-panel-title {
  margin: 0 0 clamp(8px, 1.2vw, 12px);
  font-family: var(--font-nav);
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  font-weight: 700;
  line-height: 1.35;
  color: #1a1a1a;
}

.zp-panel-meta {
  margin: 0 0 6px;
  font-size: clamp(0.8125rem, 1.2vw, 0.9375rem);
  color: #888888;
  line-height: 1.5;
}

.zp-panel-meta-sep {
  margin: 0 0.35em;
}

.zp-panel-date {
  margin: 0;
  font-size: clamp(0.8125rem, 1.2vw, 0.9375rem);
  color: #aaaaaa;
  line-height: 1.5;
}

.zp-panel-body {
  text-align: left;
}

.zp-detail-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(16px, 2.5vw, 20px);
  font-family: var(--font-nav);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.4;
}

.zp-detail-heading::before {
  content: "";
  flex-shrink: 0;
  width: 3px;
  height: 1.05em;
  border-radius: 1px;
  background-color: var(--color-primary);
}

.zp-detail-sub,
.zp-panel-body > h5,
.zp-panel-body > h4.zp-detail-heading ~ h4:not(.zp-detail-heading) {
  margin: 0 0 clamp(10px, 1.5vw, 12px);
  font-family: var(--font-nav);
  font-size: clamp(0.9375rem, 1.4vw, 1rem);
  font-weight: 600;
  color: #333333;
  line-height: 1.5;
}

.zp-detail-sub ~ .zp-detail-sub,
.zp-panel-body > h5 ~ h5,
.zp-panel-body > h4.zp-detail-heading ~ h4 ~ h4 {
  margin-top: clamp(22px, 3vw, 32px);
}

.zp-detail-text,
.zp-panel-body > p {
  margin: 0 0 clamp(18px, 2.5vw, 24px);
  font-size: clamp(0.875rem, 1.3vw, 0.9375rem);
  line-height: 1.85;
  color: #444444;
}

.zp-detail-list,
.zp-panel-body > ol,
.zp-panel-body > ul {
  margin: 0 0 clamp(28px, 4vw, 40px);
  padding-left: 1.35em;
  font-size: clamp(0.875rem, 1.3vw, 0.9375rem);
  line-height: 1.85;
  color: #444444;
}

.zp-detail-list li,
.zp-panel-body > ol li,
.zp-panel-body > ul li {
  margin-bottom: 0.5em;
}

.zp-detail-list li:last-child,
.zp-panel-body > ol li:last-child,
.zp-panel-body > ul li:last-child {
  margin-bottom: 0;
}

.zp-apply {
  display: inline-block;
  min-width: clamp(140px, 22vw, 180px);
  padding: clamp(10px, 1.5vw, 12px) clamp(36px, 5vw, 48px);
  border-radius: 999px;
  background-color: var(--color-primary);
  font-family: var(--font-nav);
  font-size: clamp(0.9375rem, 1.4vw, 1rem);
  font-weight: 600;
  line-height: 1.4;
  color: #ffffff;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-base);
}

.zp-apply:hover {
  background-color: var(--color-primary-hover);
  color: #ffffff;
}

.zp-apply:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.zp-panel > .zp-apply {
  display: block;
  width: fit-content;
  margin: clamp(4px, 1vw, 8px) auto 0;
}

@media (max-width: 768px) {
  .zp-hero {
    margin-top: var(--header-height-mobile);
  }

  .zp-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .zp-jobs-layout {
    grid-template-columns: 1fr;
    row-gap: 20px;
  }

  .zp-jobs-divider {
    display: none;
  }

  .zp-tabs {
    flex-direction: column;
    gap: 8px;
  }

  .zp-tab {
    width: 100%;
    text-align: left;
    padding: 10px 14px;
    font-size: 0.8125rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .zp-tab,
  .zp-apply {
    transition: none;
  }
}

/* ============================================
   打印样式
   ============================================ */
@media print {
  .pl-fixed-tools,
  .pl-bar,
  .page-hangye .pl-bar,
  .page-gongsi .pl-bar,
  .page-renzheng .pl-bar,
  .page-zhaopin .pl-bar {
    display: none;
  }

  .header {
    position: static;
    box-shadow: none;
  }
  
  .mobile-menu-toggle,
  .mobile-nav,
  .mega-menu {
    display: none !important;
  }
}