/* ============================================
   fasfab EV - Global Website Stylesheet
   KOPATH Tech (Shenzhen) Co., Ltd.
   ============================================ */

:root {
  /* Brand Colors */
  --primary: #0A2540;
  --primary-light: #1A3A5C;
  --primary-dark: #061829;
  --accent: #00D4AA;
  --accent-hover: #00B894;
  --accent-light: #00F0C0;
  --accent-glow: rgba(0, 212, 170, 0.15);

  /* Text Colors */
  --text-dark: #1A1A2E;
  --text-body: #374151;
  --text-light: #6B7280;
  --text-muted: #9CA3AF;
  --text-white: #FFFFFF;

  /* Backgrounds */
  --bg-white: #FFFFFF;
  --bg-light: #F8FAFC;
  --bg-gray: #F3F4F6;
  --bg-dark: #0A2540;
  --bg-darker: #061829;

  /* Borders */
  --border: #E5E7EB;
  --border-light: #F0F1F3;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
  --shadow-accent: 0 8px 32px rgba(0, 212, 170, 0.2);

  /* Radius */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Layout */
  --max-width: 1280px;
  --header-height: 72px;

  /* Transitions */
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
  --transition-slow: all 0.5s ease;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0A2540 0%, #1A3A5C 50%, #0A2540 100%);
  --gradient-accent: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
  --gradient-dark: linear-gradient(180deg, #0A2540 0%, #061829 100%);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-body);
  line-height: 1.6;
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

ul, ol { list-style: none; }

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

.bg-light { background: var(--bg-light); }
.bg-gray { background: var(--bg-gray); }
.bg-dark { background: var(--bg-dark); color: var(--text-white); }
.bg-darker { background: var(--bg-darker); color: var(--text-white); }

.text-center { text-align: center; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.bg-dark .section-title,
.bg-darker .section-title {
  color: var(--text-white);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

.bg-dark .section-subtitle,
.bg-darker .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.text-accent { color: var(--accent); }
.text-white { color: var(--text-white); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-white);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.btn-secondary {
  background: var(--primary);
  color: var(--text-white);
}

.btn-secondary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--text-white);
  color: var(--text-white);
}

.btn-outline:hover {
  background: var(--text-white);
  color: var(--primary);
}

.btn-outline-dark {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--text-white);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.125rem;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 37, 64, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo-img {
  display: block;
  height: 26px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.footer-brand .logo-img {
  height: 44px;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .logo-img { height: 22px; }
  .footer-brand .logo-img { height: 36px; }
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.02em;
}

.logo-text span {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  background: none;
  border: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.1);
}

.nav-link .arrow {
  font-size: 0.625rem;
  transition: var(--transition);
}

.nav-item.active .nav-link .arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  margin-top: 8px;
}

.nav-item.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 16px;
  color: var(--text-body);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.dropdown-menu a:hover {
  background: var(--bg-light);
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  cursor: pointer;
}

.lang-switch .current {
  color: var(--accent);
  font-weight: 600;
}

.btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--accent);
  color: var(--text-white);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-contact:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 70% 50%, rgba(0, 212, 170, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--bg-white));
  pointer-events: none;
}

.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1, .hero-text .hero-h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-text h1 .highlight, .hero-text .hero-h1 .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 12px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.hero-badge-1 {
  top: 20%;
  left: -20px;
}

.hero-badge-2 {
  bottom: 20%;
  right: -20px;
}

.hero-badge .badge-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.hero-badge .badge-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-dark);
}

.hero-badge .badge-label {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* Page Hero (inner pages) */
.page-hero {
  background: var(--gradient-hero);
  padding: calc(var(--header-height) + 56px) 0 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 360px;
  display: flex;
  align-items: center;
}

/* 背景图版本：通过内联 background-image 注入，叠加深色蒙版保证文字可读 */
.page-hero.has-bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-hero.has-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(10, 37, 64, 0.78) 0%, rgba(10, 37, 64, 0.65) 100%);
  pointer-events: none;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 212, 170, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  position: relative;
}

.page-hero p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  position: relative;
}

.breadcrumb a {
  color: var(--accent);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  background: var(--bg-white);
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 20px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-number .unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
  margin-left: 4px;
}

.stat-label {
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* ============================================
   FEATURE CARDS
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.feature-card-image {
  height: 200px;
  background: var(--bg-gray);
  overflow: hidden;
}

.feature-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.feature-card:hover .feature-card-image img {
  transform: scale(1.05);
}

/* NEWS CARD（首页新闻卡片 — 含封面图；与 .feature-card 复合使用） */
.feature-card.news-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.feature-card.news-card:hover h3 { color: var(--accent); }
.feature-card.news-card .feature-card-image { aspect-ratio: 16/9; }
.feature-card.news-card .news-cat-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.feature-card.news-card .news-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(0, 212, 170, 0.10);
}
.feature-card.news-card h3 {
  font-size: 1.125rem;
  line-height: 1.45;
  margin: 0 0 10px;
  color: #0A2540;
  transition: color .2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.feature-card.news-card p {
  font-size: 14px;
  color: #64748B;
  line-height: 1.65;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.feature-card.news-card .news-readmore {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
  padding-top: 8px;
  transition: transform .2s;
}
.feature-card.news-card:hover .news-readmore { transform: translateX(4px); }

.feature-card-body {
  padding: 24px;
}

/* 核心能力卡片：IOC 图标移到标题前面（同一行左侧） */
#about .feature-card-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 14px;
  row-gap: 10px;
}
#about .feature-icon {
  flex: 0 0 auto;
  margin-bottom: 0;
}
#about .feature-card-body h3 {
  flex: 1 1 0;
  min-width: 0;
  line-height: 1.25;
}
#about .feature-card-body p {
  flex: 1 1 100%;
  margin-top: 0;
}

.feature-icon {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
  transition: transform 0.35s cubic-bezier(.34, 1.56, .64, 1),
              box-shadow 0.35s ease,
              background 0.35s ease,
              color 0.35s ease;
  animation: iconBreathe 4.2s ease-in-out infinite;
}
.feature-icon .ioc-i {
  width: 30px;
  height: 30px;
  display: block;
  transition: transform 0.5s cubic-bezier(.34, 1.56, .64, 1);
}
/* 描线动画：每张 SVG 滚到视口时，子元素依次 dash 绘出（不依赖 JS） */
.feature-icon .ioc-i > * {
  stroke-dasharray: 90;
  stroke-dashoffset: 90;
  animation: iconStrokeDraw 1.4s cubic-bezier(.4, 0, .2, 1) forwards;
}
.feature-icon .ioc-i > *:nth-child(1) { animation-delay: 0.05s; }
.feature-icon .ioc-i > *:nth-child(2) { animation-delay: 0.18s; }
.feature-icon .ioc-i > *:nth-child(3) { animation-delay: 0.31s; }
.feature-icon .ioc-i > *:nth-child(4) { animation-delay: 0.44s; }
.feature-icon .ioc-i > *:nth-child(5) { animation-delay: 0.57s; }
.feature-icon .ioc-i > *:nth-child(6) { animation-delay: 0.70s; }
.feature-icon .ioc-i > *:nth-child(7) { animation-delay: 0.83s; }
.feature-icon .ioc-i > *:nth-child(8) { animation-delay: 0.96s; }
@keyframes iconStrokeDraw {
  to { stroke-dashoffset: 0; }
}
.feature-icon::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: inherit;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.28) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.6s ease;
  pointer-events: none;
  z-index: -1;
}
.feature-card:hover .feature-icon {
  color: var(--accent);
  transform: scale(1.18) rotate(-6deg);
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.28) 0%, rgba(10, 37, 64, 0.14) 100%);
  box-shadow: 0 10px 28px rgba(0, 212, 170, 0.32),
              0 0 0 4px rgba(0, 212, 170, 0.10);
  animation-play-state: paused;
}
.feature-card:hover .feature-icon .ioc-i {
  transform: rotate(8deg) scale(1.08);
}
.feature-card:hover .feature-icon::before {
  opacity: 1;
  transform: scale(1.45);
}
@keyframes iconBreathe {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(0, 212, 170, 0);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 8px rgba(0, 212, 170, 0.06);
  }
}
@media (prefers-reduced-motion: reduce) {
  .feature-icon,
  .feature-icon .ioc-i,
  .feature-icon .ioc-i > * { animation: none !important; stroke-dashoffset: 0; }
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   PRODUCTS
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.products-grid.three-col {
  grid-template-columns: repeat(3, 1fr);
}

.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  height: 300px;
  padding: 20px;
  background: var(--bg-gray);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-image img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: var(--transition-slow);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent);
  color: var(--text-white);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.product-info {
  padding: 28px;
}

.product-info h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.product-spec {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 20px;
}

.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-item .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.spec-item .value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-dark);
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: var(--transition);
}

.product-link:hover {
  gap: 8px;
  color: var(--accent-hover);
}

/* ============================================
   SOLUTIONS
   ============================================ */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  border-color: var(--accent);
}

.solution-card-image {
  height: auto;
  aspect-ratio: 2 / 1; /* 与源图 ~2:1 宽幅一致，cover 下几乎零裁剪 */
  overflow: hidden;
  position: relative;
}

.solution-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.solution-card-body {
  padding: 28px;
  flex: 1;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  align-items: center;
}

.solution-icon {
  grid-row: 1;
  grid-column: 1;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 170, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
}

.solution-card h3 {
  grid-row: 1;
  grid-column: 2;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0;
}

.solution-card p {
  grid-column: 1 / -1;
  margin-top: 14px;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

/* ============================================
   SERVICES
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-card ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-card li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
}

.service-card li::before {
  content: '→';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================
   CASE STUDIES
   ============================================ */
.case-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-image {
  height: 240px;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-content {
  padding: 28px;
}

.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.case-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.case-content p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.case-stats {
  display: flex;
  gap: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.case-stat {
  display: flex;
  flex-direction: column;
}

.case-stat .num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
}

.case-stat .label {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, #F0F7FA 0%, #E8F5F1 100%);
  border-top: 1px solid #E2E8F0;
  padding: 56px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 212, 170, 0.08) 0%, transparent 60%);
  /* 修复：装饰层必须放行鼠标事件，否则会遮挡 CTA 按钮导致"点击无反应" */
  pointer-events: none;
  z-index: 0;
}

/* 确保 CTA 区域内的按钮/文案在装饰层之上，能正常接收点击 */
.cta-section h2,
.cta-section p,
.cta-section .btn {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: 30px;
  font-weight: 800;
  color: #0A2540;
  margin-bottom: 12px;
  position: relative;
}

.cta-section p {
  font-size: 15px;
  color: #475569;
  max-width: 560px;
  margin: 0 auto 28px;
  position: relative;
  text-wrap: pretty;
  word-break: keep-all;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

/* CTA 区副按钮：浅色版块内用深蓝描边（hero 等深色场景的白色 outline 不受影响） */
.cta-section .btn-outline {
  border-color: #0A2540;
  color: #0A2540;
}
.cta-section .btn-outline:hover {
  background: #0A2540;
  color: #fff;
  border-color: #0A2540;
}

/* 产品详情页 CTA 副标题：在窄屏下避免把"销售团队 24 小时内回复"拆成两行 */
.cta-section .cta-sub {
  max-width: 640px;
}
.cta-section .nowrap { white-space: nowrap; }

/* ?product= 跳转进来时：紧凑型 hero + 表单 anchor 让标题不脱离首屏 */
.page-hero.page-hero-compact {
  min-height: 0;
  padding: calc(var(--header-height) + 32px) 0 36px;
}
.page-hero.page-hero-compact h1 {
  font-size: 1.875rem;
  margin-bottom: 10px;
}
.page-hero.page-hero-compact p {
  font-size: 1rem;
  max-width: 640px;
}

/* 锚点定位：避开 sticky header（80px） */
.section[id="inquiry"], section[id="inquiry"] { scroll-margin-top: 90px; }

/* 全局：所有带 id 的 section 锚点跳转（导航二级菜单跨页跳转）统一避开 sticky header */
section[id], div[id^="cat-"] { scroll-margin-top: 96px; }

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  /* 联系页右侧信息条目：曹总反馈间距拉开（2026-09-10） */
  gap: 40px;
}

.contact-info-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-list .icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info-list h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.contact-info-list p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

.contact-form {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--text-dark);
  background: var(--bg-white);
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer,
.site-footer {
  background: var(--bg-darker);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 24px;
}

.site-footer { margin-top: 80px; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.35fr;
  gap: 36px;
  margin-bottom: 40px;
  align-items: start;
}

/* 右侧联系面板（联系信息 + 微信二维码 + 订阅） */
.footer-side {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 22px 20px;
}

.footer-side h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 14px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.footer-contact-item .fc-ico {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(0, 212, 170, 0.12);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer-contact-item a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  word-break: break-all;
  transition: var(--transition-fast);
}

.footer-contact-item a:hover {
  color: var(--accent);
}

/* IOC 社交按钮（微信 / 抖音） —— 圆形按钮，hover 弹出二维码 */
.footer-ioc-row {
  display: flex;
  gap: 14px;
  margin: 16px 0 8px;
}

.footer-ioc {
  position: relative;
}

.footer-ioc-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  /* 社媒按钮配色来自后台「社媒管理」：--ioc-bg 底色 / --ioc-fg 图标色 / --ioc-hover 悬停底色
     （用 CSS 变量而非内联 background，这样 :hover 仍能正确覆盖，且加新平台无需改 CSS） */
  background: var(--ioc-bg, #0A2540);
  color: var(--ioc-fg, #ffffff);
}

.footer-ioc-btn:hover,
.footer-ioc-btn:focus-visible {
  outline: none;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  background: var(--ioc-hover, var(--ioc-bg, #0A2540));
  color: var(--ioc-fg, #ffffff);
}

/* 社媒按钮的底色 / 图标色 / 悬停底色全部由后台「社媒管理」控制（见 .footer-ioc-btn 里的 CSS 变量），
   因此这里不再为单个平台写死配色规则 —— 加新平台只需在后台选择平台即可。 */

/* 悬停 popup：白色二维码卡片，绝对定位在按钮下方 */
.footer-ioc-popup {
  position: absolute;
  bottom: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(8px) scale(.96);
  transform-origin: bottom center;
  background: #ffffff;
  color: #0A2540;
  padding: 12px 12px 10px;
  border-radius: 12px;
  width: 156px;
  text-align: center;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease, visibility .22s;
  z-index: 10;
}

.footer-ioc-popup::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #ffffff;
}

.footer-ioc-popup img {
  width: 132px;
  height: 132px;
  display: block;
  margin: 0 auto 8px;
  border-radius: 6px;
}

.footer-ioc-popup strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #0A2540;
  line-height: 1.3;
}

.footer-ioc-popup em {
  display: block;
  font-style: normal;
  font-size: 11px;
  color: #64748B;
  margin-top: 2px;
  line-height: 1.4;
}

.footer-ioc:hover .footer-ioc-popup,
.footer-ioc:focus-within .footer-ioc-popup {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0) scale(1);
}

/* 移动端：popup 紧贴按钮左边缘展开，避免居中布局在窄屏溢出屏幕 */
@media (max-width: 768px) {
  .footer-ioc-popup {
    left: 0;
    right: auto;
    transform: translateY(8px) scale(.96);
    transform-origin: bottom left;
  }
  .footer-ioc-popup::after {
    left: 22px;
    right: auto;
    transform: none;
  }
  .footer-ioc:hover .footer-ioc-popup,
  .footer-ioc:focus-within .footer-ioc-popup {
    transform: translateY(0) scale(1);
  }
}

.footer-subscribe {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
  margin-top: 4px;
}

.footer-subscribe h5 {
  font-size: 0.8125rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 10px;
}

.footer-subscribe .subscribe-form {
  display: flex;
  gap: 8px;
}

.footer-subscribe .subscribe-form input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 13px;
}

.footer-subscribe .subscribe-form input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.footer-subscribe .subscribe-form input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
}

.footer-subscribe .subscribe-form .btn-contact {
  padding: 10px 18px;
  white-space: nowrap;
}

.footer-brand .logo-text {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 360px;
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.4);
  transition: var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

/* ============================================
   ABOUT PAGE SPECIFIC
   ============================================ */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-intro-text h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.about-intro-text p {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-intro-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-intro-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

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

.mission-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.mission-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.mission-card .icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 20px;
}

.mission-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.mission-card p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* Lab testing items */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.lab-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}

.lab-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.lab-item .icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.lab-item .name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* IOC 线状 SVG 图标（emoji 替换）：使命卡 / 实验室 / 资质徽章 */
.mission-card .icon svg,
.cert-badge .icon svg,
.lab-item .icon svg {
  color: var(--accent);
}

.mission-card .icon svg {
  width: 28px;
  height: 28px;
}

.cert-badge .icon svg {
  width: 26px;
  height: 26px;
}

.lab-item .icon svg {
  width: 30px;
  height: 30px;
  margin-bottom: 4px;
}

/* ---------- 线条 IOC 图标动效：能量流光 + 悬浮交互（实验室/使命/资质） ---------- */
/* 原理：main.js 给图标各线段设置 pathLength=1；dasharray 留 7% 缺口，
   dashoffset 循环推进形成沿线条流动的能量脉冲 */
.lab-item .ioc-i path,
.lab-item .ioc-i circle,
.lab-item .ioc-i rect,
.lab-item .ioc-i line,
.cert-badge .ioc-i path,
.cert-badge .ioc-i circle,
.cert-badge .ioc-i rect,
.cert-badge .ioc-i line,
.mission-card .ioc-i path,
.mission-card .ioc-i circle,
.mission-card .ioc-i rect,
.mission-card .ioc-i line {
  stroke-dasharray: 0.93 0.07;
  animation: ioc-flow 3.2s linear infinite;
}

/* 相邻图标错相流动，避免整排同步显得机械 */
.lab-item:nth-child(even) .ioc-i *,
.cert-badge:nth-child(even) .ioc-i *,
.mission-card:nth-child(even) .ioc-i * {
  animation-delay: -1.6s;
}
.lab-item:nth-child(3n) .ioc-i *,
.cert-badge:nth-child(3n) .ioc-i * {
  animation-delay: -2.4s;
}

@keyframes ioc-flow {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -1; }
}

/* 悬浮交互：上浮 + 变色 + 光晕 + 能量流加速 */
.lab-item .icon svg,
.cert-badge .icon svg,
.mission-card .icon svg {
  transition: color 0.35s ease, transform 0.35s ease, filter 0.35s ease;
}

.lab-item:hover .icon svg,
.cert-badge:hover .icon svg,
.mission-card:hover .icon svg {
  color: var(--primary);
  transform: translateY(-4px) scale(1.1);
  filter: drop-shadow(0 0 6px var(--accent-glow)) drop-shadow(0 0 2px rgba(0, 212, 170, 0.35));
  animation-duration: 1.2s;
}

/* 弱动效偏好：尊重系统"减少动态效果"设置 */
@media (prefers-reduced-motion: reduce) {
  .lab-item .ioc-i *,
  .cert-badge .ioc-i *,
  .mission-card .ioc-i * {
    stroke-dasharray: none;
    animation: none;
  }
}

/* ---------- 关于我们页·左侧内容锚点导航 ---------- */
.about-anchor {
  display: none;
  position: fixed;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 60;
  flex-direction: column;
  gap: 4px;
  padding: 14px 10px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 1600px) {
  .about-anchor { display: flex; }
}

.about-anchor a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-light);
  font-size: 0.8125rem;
  white-space: nowrap;
  transition: color 0.25s ease, background 0.25s ease;
}

.about-anchor a i {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid var(--text-muted);
  background: transparent;
  transition: all 0.25s ease;
}

.about-anchor a:hover {
  color: var(--text-dark);
  background: var(--bg-gray);
}

.about-anchor a.active {
  color: var(--primary);
  font-weight: 600;
}

.about-anchor a.active i {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Certification badges */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cert-badge {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.cert-badge:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.cert-badge .icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  background: var(--accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.cert-badge .name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-dark);
}

.cert-badge .desc {
  font-size: 0.8125rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* ============================================
   TIMELINE / PROCESS
   ============================================ */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.process-step:last-child {
  border-bottom: none;
}

.process-step .step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  flex-shrink: 0;
}

.process-step .step-content h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.process-step .step-content p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   RESOURCE CENTER
   ============================================ */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.resource-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.resource-card .icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.resource-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.resource-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 16px;
}

.resource-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.resource-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-body);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.resource-list a:hover {
  background: var(--bg-light);
  color: var(--accent);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--accent);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
}

.faq-question .toggle {
  color: var(--accent);
  font-size: 1.25rem;
  transition: var(--transition);
}

.faq-item.active .toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ============================================
   NEWS CARDS
   ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.news-image {
  height: 200px;
  background: var(--bg-gray);
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-content {
  padding: 24px;
}

.news-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.news-content h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
  line-height: 1.4;
}

.news-content p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   PARTNERS LOGO STRIP
   ============================================ */
.partners-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 40px 0;
}

.partner-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-muted);
  opacity: 0.6;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.partner-logo:hover {
  opacity: 1;
  color: var(--text-dark);
}

/* ============================================
   SPEC TABLE (Product Detail)
   ============================================ */
.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.spec-table th {
  background: var(--bg-light);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
  width: 200px;
}

.spec-table td {
  font-size: 0.9375rem;
  color: var(--text-body);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

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

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

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

  .about-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-dark);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    gap: 8px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: var(--transition);
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(255, 255, 255, 0.05);
    margin-top: 0;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    padding: 0;
  }

  .nav-item.active .dropdown-menu {
    max-height: 500px;
    padding: 8px;
  }

  .dropdown-menu a {
    color: rgba(255, 255, 255, 0.8);
  }

  .menu-toggle {
    display: flex;
  }

  .hero-text h1, .hero-text .hero-h1 {
    font-size: 2.25rem;
  }

  .hero-text p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .features-grid,
  .products-grid,
  .solutions-grid,
  .services-grid,
  .news-grid,
  .mission-grid,
  .resource-grid,
  .lab-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-side {
    grid-column: 1 / -1;
    max-width: 420px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero-badge {
    display: none;
  }

  .section {
    padding: 60px 0;
  }

  .page-hero h1 {
    font-size: 2rem;
  }

  .contact-form {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .stats-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-text h1, .hero-text .hero-h1 {
    font-size: 1.875rem;
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESOURCES - DOWNLOAD CARDS (PDF/Documents)
   ============================================ */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.doc-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.doc-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: var(--transition);
}

.doc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

/* 上图下文变体（产品手册与规格书区） */
.doc-card--cover {
  padding: 0;
  overflow: hidden;
}

.doc-card--cover .doc-fig {
  width: 100%;
  aspect-ratio: 16 / 8;
  overflow: hidden;
  background: #eef1f6;
  border-bottom: 1px solid var(--border);
}

.doc-card--cover .doc-fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.doc-card--cover:hover .doc-fig img {
  transform: scale(1.06);
}

.doc-card--cover .doc-body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
}

.doc-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: #0A2540;
  transition: var(--transition);
}

.doc-icon svg {
  width: 26px;
  height: 26px;
  display: block;
}

.doc-card:hover .doc-icon {
  color: #00A98F;
}

.doc-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.doc-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.doc-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.doc-meta .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--primary);
  color: var(--text-white);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.doc-foot {
  width: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.doc-foot .doc-meta {
  margin: 0 0 0 auto;
}

.btn-download:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   RESOURCES - VIDEO GALLERY
   ============================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.video-thumb {
  position: relative;
  height: 200px;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  transition: var(--transition-slow);
}

.video-card:hover .video-thumb img {
  opacity: 0.6;
  transform: scale(1.05);
}

.video-play {
  position: absolute;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  color: var(--primary);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.video-card:hover .video-play {
  transform: scale(1.1);
  background: var(--accent);
  color: var(--text-white);
}

.video-body {
  padding: 24px;
}

.video-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.video-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.video-body p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   CONTACT - VISIT INFO & MAP PLACEHOLDER
   ============================================ */
.visit-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.visit-facts {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.visit-fact {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.visit-fact .icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.visit-fact h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.visit-fact p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

.map-placeholder {
  border-radius: var(--radius-lg);
  background: var(--gradient-hero);
  min-height: 420px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-white);
}

.map-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 212, 170, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.map-pin {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(0, 212, 170, 0.2);
  border: 2px solid rgba(0, 212, 170, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.map-placeholder h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}

.map-placeholder p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 420px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Responsive additions for Resources / Contact components */
@media (max-width: 1024px) {
  .doc-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .visit-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .doc-grid,
  .doc-grid.three,
  .video-grid {
    grid-template-columns: 1fr;
  }
  .map-placeholder {
    min-height: 320px;
  }
}

/* ============================================
   Product Center: Filter Tabs + Product Cards
   ============================================ */

.cat-anchor {
  display: block;
  scroll-margin-top: 90px;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 0 0 44px;
}

.filter-tab {
  padding: 10px 24px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-white);
  color: var(--text-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-tab:hover {
  border-color: var(--accent);
  color: var(--primary);
}

.filter-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.pl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pl-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.pl-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 212, 170, 0.4);
}

.pl-card-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-light);
}

.pl-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
  transition: transform 0.5s ease;
}

.pl-card:hover .pl-card-image img {
  transform: scale(1.05);
}

.pl-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(0, 212, 170, 0.92);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.pl-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px 24px 24px;
}

.pl-card-body h3 {
  font-size: 22px;
  color: var(--primary);
  margin: 0 0 8px;
}

.pl-card-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-light);
  margin: 0 0 16px;
}

.pl-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 12px 0;
  margin-top: auto;
  border-top: 1px solid var(--border-light);
}

.pl-mini {
  text-align: center;
}

.pl-mini strong {
  display: block;
  font-size: 14px;
  color: var(--primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pl-mini span {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pl-card-link {
  margin-top: 14px;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-hover);
}

.pl-card:hover .pl-card-link {
  color: var(--accent);
}

/* 占位卡片：图片淡灰蒙层 + Coming Soon 角标 */
.pl-card.placeholder-card {
  opacity: 0.78;
}

.pl-card.placeholder-card:hover {
  opacity: 1;
}

.pl-card.placeholder-card .pl-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.15) 0%, rgba(248, 250, 252, 0.6) 100%);
  pointer-events: none;
}

.placeholder-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(10, 37, 64, 0.85);
  color: #fff;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 12px;
  letter-spacing: 0.05em;
  z-index: 2;
}

/* ============================================
   Product Detail Page (PDP)
   ============================================ */

.pdp-hero {
  padding: 120px 0 0;
  background-size: cover;
  background-position: center;
  background-color: var(--primary-dark);
  color: #fff;
}

.pdp-hero .container {
  padding-bottom: 0;
}

.breadcrumb-light,
.breadcrumb-light a {
  color: rgba(255, 255, 255, 0.75);
}

.breadcrumb-light a:hover {
  color: var(--accent);
}

.pdp-hero h1 {
  font-size: 44px;
  margin: 14px 0 0;
  color: #fff;
}

.pdp-specs-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 36px;
  padding: 22px 0;
  background: rgba(6, 24, 41, 0.55);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius) var(--radius) 0 0;
}

.pdp-stat {
  flex: 1 1 120px;
  text-align: center;
  padding: 0 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.pdp-stat:first-child {
  border-left: none;
}

.pdp-stat strong {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: var(--accent-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pdp-stat span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pdp-overview {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

.pdp-main-image {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.pdp-main-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.pdp-intro p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
}

.pdp-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.pdp-gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  aspect-ratio: 16 / 11;
}

.pdp-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.pdp-gallery-item:hover img {
  transform: scale(1.06);
}

.spec-groups-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.spec-groups-grid .spec-table {
  align-self: start;
}

/* ============================================
   Product Center Responsive
   ============================================ */

@media (max-width: 1024px) {
  .pl-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pdp-overview {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .pl-grid {
    grid-template-columns: 1fr;
  }
  .pl-specs {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 12px;
  }
  .pdp-hero {
    padding-top: 96px;
  }
  .pdp-hero h1 {
    font-size: 32px;
  }
  .pdp-specs-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
  }
  .pdp-stat {
    flex: 1 0 100px;
  }
  .pdp-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
  .spec-groups-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Hero Carousel (slide 1: content / slide 2: video)
   ============================================ */

.hero-carousel {
  position: relative;
}

.hero-slides {
  position: relative;
  width: 100%;
  min-height: 100vh;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
  pointer-events: none;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 2;
}

.hero-slide .hero-content {
  width: 100%;
}

.hero-slide-video {
  background: var(--primary-dark);
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-slide-video::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(10, 37, 64, 0.25) 0%, rgba(10, 37, 64, 0.05) 40%, rgba(10, 37, 64, 0.35) 100%);
  pointer-events: none;
}

/* BAN 全屏大图幻灯（2026-09-02 客户增补：并入 hero 轮播）
   v15 2026-09-02：恢复 cover 铺满整个 Banner 区域（占满整个 hero 宽度和高度），
   不再 contain + 调矮（v14 方案客户反馈方向反了，已回退）。
   文本层仍复用 .hero-content/.hero-text（v14 沿用，与第 2 张产品图同结构同字号同按钮）。 */
.hero-slide-banner {
  /* 2026-09-27：背景图改由内联 CSS 变量提供（--bg-d 横图 / --bg-m 手机版竖图），
     便于按屏宽切换；未定义 --bg-m 时移动端自动回退到 --bg-d。 */
  background-image: var(--bg-d);
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.hero-dots {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 34px;
  display: flex;
  gap: 12px;
  z-index: 10;
}

.hero-dot {
  width: 40px;
  height: 4px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: var(--transition);
}

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

.hero-dot.active {
  background: var(--accent);
}

@media (max-width: 768px) {
  .hero-dots {
    bottom: 20px;
    gap: 8px;
  }
  .hero-dot {
    width: 28px;
  }
}

/* ============================================
   BREADCRUMB HIERARCHY（详情页浅色区面包屑）
   ============================================ */
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #64748B;
  margin-bottom: 18px;
  font-weight: 500;
}
.crumb > * { display: inline-flex; align-items: center; gap: 8px; }
.crumb a {
  color: #475569;
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(10, 37, 64, 0.04);
  transition: all .2s;
}
.crumb a:hover { background: var(--accent); color: #0A2540; }
.crumb .crumb-home { font-weight: 600; }
.crumb .crumb-sep {
  color: #94A3B8;
  font-size: 14px;
  user-select: none;
}
.crumb .crumb-current {
  color: #0A2540;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.18) 0%, rgba(0, 212, 170, 0.06) 100%);
  border: 1px solid rgba(0, 212, 170, 0.45);
  letter-spacing: .02em;
}

/* ============================================
   PAGE HEAD（二级栏目页头部 — banner 下方浅色区）
   ============================================ */
.page-head {
  background: transparent;
  padding: 18px 0 0;
}
.page-head .crumb { font-size: 13px; }
.page-head .crumb a {
  background: rgba(10, 37, 64, 0.04);
}
.page-head .crumb a:hover {
  background: var(--accent);
  color: #0A2540;
}
@media (max-width: 768px) {
  .page-head { padding: 14px 0; }
  .page-head .crumb { font-size: 12px; }
  .page-head .crumb .crumb-current { padding: 3px 10px; }
}

/* ============================================
   PDP SPEC BAR（详情页核心规格条 — 浅色简洁风格 2026-09-09）
   ============================================ */
.pdp-specs-bar {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  margin-top: 28px;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #E2E8F0;
  padding: 0;
  position: relative;
  box-shadow: 0 6px 24px rgba(10, 37, 64, 0.07);
}
/* 顶部品牌渐变细条：白底版唯一的"颜色记忆点" */
.pdp-specs-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #00D4AA 0%, #37C8DC 50%, #0A2540 100%);
}
.pdp-specs-bar .pdp-stat {
  flex: 1 1 auto;
  min-width: 140px;
  padding: 24px 24px 20px;
  text-align: center;
  position: relative;
  color: #0A2540;
  transition: background 0.25s ease;
}
.pdp-specs-bar .pdp-stat:hover {
  background: #F6FBFA;
}
.pdp-specs-bar .pdp-stat + .pdp-stat::before {
  content: '';
  position: absolute;
  left: 0;
  top: 22%;
  bottom: 22%;
  width: 1px;
  background: #EDF1F5;
}
.pdp-specs-bar .pdp-stat strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .02em;
  margin-bottom: 6px;
  /* 渐变大数字：品牌深蓝 → 翡翠绿 */
  background: linear-gradient(92deg, #0A2540 10%, #00A884 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pdp-specs-bar .pdp-stat span {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #64748B;
  font-weight: 500;
}
/* 统一槽位：无数据的参数显示占位「—」，弱化不抢眼 */
.pdp-specs-bar .pdp-stat.is-empty strong {
  background: none;
  -webkit-text-fill-color: #B6C2CE;
  color: #B6C2CE;
}
@media (max-width: 768px) {
  .pdp-specs-bar .pdp-stat { min-width: 50%; padding: 18px 12px; }
  .pdp-specs-bar .pdp-stat strong { font-size: 22px; }
}

/* ============================================
   FOOTER 顶部间距加大
   ============================================ */
.site-footer { margin-top: 80px; }
.footer { padding: 80px 0 32px; }

/* ============================================
   FAB STACK（右侧悬浮：CONTACT 垂直中间靠下贴边 + TOP 右下角）
   ============================================ */
.fab-stack {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}
.fab-btn {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #0A2540;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 212, 170, 0.35), 0 2px 6px rgba(10, 37, 64, 0.18);
  transition: transform .3s ease, background .25s ease, color .25s ease, width .25s ease, border-radius .25s ease, justify-content .25s ease, padding-left .25s ease;
  overflow: hidden;
}
.fab-btn:hover {
  width: 168px;
  border-radius: 26px;
  background: #0A2540;
  color: #fff;
  justify-content: flex-start;
  padding-left: 18px;
  transform: translateY(-2px);
}
.fab-btn .fab-label {
  position: absolute;
  left: 62px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .25s ease, transform .25s ease;
  white-space: nowrap;
}
.fab-btn:hover .fab-label {
  opacity: 1;
  transform: translateX(0);
}

/* ---- CONTACT：垂直中间靠下（55% 高度），默认贴右边缘仅 1/3 宽度藏在屏外（hover 才完整露出）---- */
.fab-contact {
  position: fixed;
  top: 55%;
  right: 0;
  transform: translateY(-50%) translateX(33.4%);
}
.fab-contact:hover,
.fab-contact.is-active {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #0A2540;
  color: #fff;
  justify-content: center;
  padding-left: 0;
  transform: translateY(-50%) translateX(0);
}

/* ---- TOP：右下角，滚动后显示 ---- */
.fab-top {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}
.fab-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.fab-top:hover { background: #0A2540; }

/* CONTACT 弹出层：与按钮同高度（55%），按钮左侧滑入 */
.fab-popup {
  position: fixed;
  top: 55%;
  right: 68px;
  width: 280px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(10, 37, 64, 0.18), 0 4px 12px rgba(10, 37, 64, 0.08);
  padding: 12px;
  opacity: 0;
  transform: translateY(-50%) translateX(14px);
  transform-origin: right center;
  transition: opacity .22s ease, transform .22s ease;
  pointer-events: none;
  border: 1px solid rgba(10, 37, 64, 0.06);
  z-index: 1000;
}
.fab-popup.is-open {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
  pointer-events: auto;
}
.fab-popup-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 10px;
  text-decoration: none;
  color: #0A2540;
  transition: background .2s;
}
.fab-popup-item:hover { background: rgba(0, 212, 170, 0.08); }
.fab-popup-ico {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 50%;
  background: rgba(0, 212, 170, 0.14);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.fab-popup-text { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.fab-popup-text strong { font-size: 14px; font-weight: 700; color: #0A2540; }
.fab-popup-text em { font-size: 12px; color: #64748B; font-style: normal; margin-top: 2px; }

/* 详情页联系页：上下文提示横幅（?product=预填） */
.inquiry-context {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.10) 0%, rgba(10, 37, 64, 0.04) 100%);
  border: 1px solid rgba(0, 212, 170, 0.35);
  color: #0A2540;
  margin-bottom: 24px;
  font-size: 14px;
  line-height: 1.5;
}
.inquiry-context-ico {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #0A2540;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
}
.inquiry-context-text strong { color: #0A2540; }
.inquiry-context-text em { color: #64748B; font-style: normal; display: block; margin-top: 2px; font-size: 13px; }

@media (max-width: 768px) {
  .fab-stack { right: 16px; bottom: 20px; }
  .fab-btn { width: 46px; height: 46px; }
  .fab-contact { right: 0; }
  .fab-contact:hover,
  .fab-contact.is-active { width: 46px; height: 46px; }
  .fab-popup { right: 62px; width: 240px; }
}

/* ============================================================
/* ============================================================
   fasfab EV — Home Theme v1 (Classic Blue-Green: 方案A 经典蓝绿)
   客户最终确认（2026-09-01）：首页风格定稿为方案A经典蓝绿
   （深蓝 #0A2540 + 青绿 #00D4AA，即本文件基础 :root 品牌变量）。
   已移除 v3 黑金（#B58848）与 v4 白底清爽两版覆盖段，
   颜色样式全部回落至基础经典蓝绿（深蓝 header、深蓝渐变 hero + 白字等）。
   本段仅保留与颜色无关的页面结构样式：
     1) 产品单款重点展示（Product Showcase）— 首页 #products 区
     2) 合作伙伴 Logo 墙（Partners Marquee）— 新闻下方动态轮播
   ============================================================ */

/* ============================================================
   产品系列摊开式网格（Series Accordion · 4 卡等宽 · hover/active 摊开）
   参考台铃海外站 tailg.com 首页第二屏：默认 4 卡等宽，hover/点击其一
   则该卡 flex-grow 放大 + 副标题/CTA 浮现，其他卡收缩 + 副标题隐藏。
   ============================================================ */
/* 产品版块容器加宽：摊开 900px + 3 张收起卡各 220px + 3 个 gap 共需 ~1596px */
.series-grid {
  display: flex;
  gap: 12px;
  margin-top: 48px;
  height: 540px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.series-card {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #0A2540;
  cursor: pointer;
  text-decoration: none;
  color: #FFFFFF;
  display: block;
  transition: flex 0.9s cubic-bezier(.4, 0, .2, 1);
  box-shadow: 0 6px 18px rgba(10, 37, 64, 0.10);
}
.series-card:hover,
.series-card.active {
  /* 摊开展示：固定 900px，其余 3 张均分剩余宽度（容器为全站统一宽度） */
  flex: 0 0 900px;
}
.series-card-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.55) saturate(0.92);
  transition: transform 0.7s ease, filter 0.55s ease;
}
.series-card:hover .series-card-image,
.series-card.active .series-card-image {
  /* 摊开展示：contain 完整显示产品全貌，不再裁剪 */
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  filter: brightness(1.0) saturate(1.06);
  transform: none;
}
.series-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
              rgba(10, 37, 64, 0.10) 0%,
              rgba(10, 37, 64, 0.50) 50%,
              rgba(10, 37, 64, 0.92) 100%);
  z-index: 1;
  transition: background 0.55s ease;
  pointer-events: none;
}
.series-card:hover::after,
.series-card.active::after {
  background: linear-gradient(180deg,
              rgba(0, 212, 170, 0.10) 0%,
              rgba(10, 37, 64, 0.40) 45%,
              rgba(10, 37, 64, 0.92) 100%);
}
.series-card-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 28px;
  color: #FFFFFF;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
}
.series-card-tag {
  font-size: 0.6875rem;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
  font-family: 'SF Mono', Consolas, monospace;
}
.series-card-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.01em;
  line-height: 1.18;
  white-space: nowrap;
  margin-top: 4px;
}
.series-card:hover .series-card-title,
.series-card.active .series-card-title {
  font-size: 2rem;
}
.series-card-sub {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.55;
  margin-top: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: 0;
  max-height: 0;
  opacity: 0;
  transition: max-width 0.55s ease 0.08s,
              max-height 0.55s ease 0.08s,
              opacity 0.4s ease 0.12s,
              margin-top 0.45s ease;
}
.series-card:hover .series-card-sub,
.series-card.active .series-card-sub {
  max-width: 520px;
  max-height: 80px;
  opacity: 1;
  margin-top: 10px;
}
.series-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 0;
  padding: 9px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #0A2540;
  font-weight: 700;
  font-size: 0.875rem;
  width: fit-content;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease 0.18s,
              transform 0.45s ease 0.18s,
              margin-top 0.45s ease 0.18s;
  pointer-events: auto;
  text-decoration: none;
}
.series-card:hover .series-card-cta,
.series-card.active .series-card-cta {
  opacity: 1;
  transform: translateY(0);
  margin-top: 16px;
}
.series-card-cta::after {
  content: '\2192';
  font-size: 1rem;
  transition: transform 0.3s ease;
}
.series-card:hover .series-card-cta::after,
.series-card.active .series-card-cta::after {
  transform: translateX(4px);
}
.series-card-index {
  position: absolute;
  top: 22px;
  left: 24px;
  z-index: 2;
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 0.8125rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: 0.10em;
  background: rgba(10, 37, 64, 0.50);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 6px 11px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: all 0.4s ease;
}
.series-card:hover .series-card-index,
.series-card.active .series-card-index {
  background: var(--accent);
  color: #0A2540;
  border-color: var(--accent);
}
@media (max-width: 960px) {
  .series-grid {
    flex-direction: column;
    height: auto;
    gap: 14px;
    overflow: visible;
  }
  .series-card {
    flex: none;
    min-height: 180px;
    min-width: 0;
    height: 200px;
  }
  .series-card:hover,
  .series-card.active {
    flex: none;
    min-height: 240px;
    height: 240px;
  }
  .series-card:hover .series-card-title,
  .series-card.active .series-card-title { font-size: 1.625rem; }
  .series-card-sub {
    max-width: 100%;
    max-height: 60px;
    opacity: 1;
    margin-top: 8px;
  }
  .series-card-cta {
    opacity: 1;
    transform: none;
    margin-top: 12px;
  }
}
@media (max-width: 600px) {
  .series-card { height: 180px; min-height: 180px; }
  .series-card:hover, .series-card.active { height: 220px; min-height: 220px; }
  .series-card-title { font-size: 1.25rem; }
  .series-card:hover .series-card-title,
  .series-card.active .series-card-title { font-size: 1.375rem; }
  .series-card-overlay { padding: 20px 22px; }
}


/* ============================================================
   核心产品 · Showcase 版（v25 2026-09-03）
   参考 YADEA 风格：白底大留白 + 顶部分类 Tab + 下方多产品横向并排
   当前默认启用（由 $productDisplay='showcase' 控制）
   ============================================================ */
#products.bg-light.product-showcase-bg {
  /* 与上方“核心能力”（白底）做层次过渡：顶部浅蓝灰渐入，主体回归 bg-light 灰 */
  background: linear-gradient(180deg, #E8EFF6 0%, #F8FAFC 280px, #F8FAFC 100%);
}

.product-showcase {
  position: relative;
  /* 顶部紧跟 section-title；底部不再额外留白（交由 .section padding 统一），
     避免产品区与下方深蓝“智能解决方案”之间空隙过大 */
  padding: 26px 0 0;
}

/* ---- 顶部 Tab ---- */
.ps-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 60px;
  border-bottom: 1px solid #ececec;
  margin-bottom: 50px;
}
.ps-tab {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 18px 4px;
  margin: 0;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  color: #8a96a3;
  cursor: pointer;
  position: relative;
  transition: color .25s ease;
  letter-spacing: .5px;
}
.ps-tab:hover { color: #0A2540; }
.ps-tab.active {
  color: #0A2540;
  font-weight: 600;
}
.ps-tab.active::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 36px;
  height: 3px;
  border-radius: 2px;
  background: #00D4AA;
  transform: translateX(-50%);
  transition: width .3s ease;
}
.ps-tab:hover::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: rgba(0, 212, 170, .35);
  transform: translateX(-50%);
}

/* ---- 多产品舞台（台铃式：中央 700×400 主图 + 左右邻车探出示意） ---- */
.ps-panels {
  position: relative;
  min-height: 400px;
  overflow: hidden; /* 裁掉两侧探出的邻车 */
}
.ps-panel {
  display: none;
  position: relative;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
.ps-panel.active { display: flex; animation: psFade .55s ease; }
@keyframes psFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.ps-strip {
  flex: 1;
  position: relative; /* 卡片绝对定位基准 */
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  padding: 0 16px;
  min-height: 400px;
  /* 两侧邻车向容器边缘渐隐，过渡自然 */
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 150px, #000 calc(100% - 150px), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 150px, #000 calc(100% - 150px), transparent 100%);
}

/* 卡片：激活卡永远居中（700×400），左右邻车按环形位差探出、被容器裁切 + 渐隐（台铃式示意）；
   --ps-offset 由 JS 按位差写入（步长 640px），切换时整卡滑动 */
.ps-card {
  display: flex;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(calc(-50% + var(--ps-offset, 0px)), -50%);
  width: 700px;
  max-width: 700px;
  height: 400px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: .35;
  filter: grayscale(45%);
  transition: transform .55s cubic-bezier(.22,.61,.36,1), opacity .5s ease, filter .5s ease;
}
.ps-card.active {
  opacity: 1;
  filter: none;
  z-index: 2;
}
.ps-card:hover:not(.active) { opacity: .6; filter: grayscale(20%); }

/* 卡片图片：无框展示，产品直接浮于版块背景色上（v28 去白底卡片框） */
.ps-card-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: 0;
  overflow: hidden;
}
.ps-card-img img {
  max-width: 100%;
  max-height: 96%;
  width: auto;
  height: auto;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  transition: transform .6s cubic-bezier(.22,.61,.36,1);
}
.ps-card.active .ps-card-img img {
  transform: scale(1.04);
}
.ps-card:hover .ps-card-img img {
  transform: scale(1.06);
}

/* 左右箭头：悬浮叠加在舞台两侧（台铃式圆形按钮） */
.ps-arrow {
  appearance: none;
  position: absolute;
  top: 50%;
  margin-top: -24px;
  z-index: 3;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .92);
  border: 1px solid #e5e9ee;
  color: #0A2540;
  font-size: 26px;
  /* 箭头字形用 flex 居中（‹ › 字形基线偏移，line-height 会歪） */
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  transition: all .25s ease;
  box-shadow: 0 4px 14px rgba(10, 37, 64, .12);
  user-select: none;
  padding: 0;
}
.ps-arrow.ps-prev { left: 18px; }
.ps-arrow.ps-next { right: 18px; }
.ps-arrow:hover {
  background: #0A2540;
  color: #ffffff;
  border-color: #0A2540;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(10, 37, 64, .15);
}
.ps-arrow:disabled {
  opacity: .3;
  cursor: not-allowed;
  transform: none;
}

/* ---- 产品信息（居中显示当前激活产品；图片→标题间距刻意收紧） ---- */
.ps-info {
  text-align: center;
  margin: 22px auto 14px;
  max-width: 720px;
  padding: 0 20px;
}
.ps-info-name {
  font-size: 2.2rem;
  font-weight: 700;
  color: #0A2540;
  margin: 0 0 10px;
  letter-spacing: .5px;
  animation: psInfoFade .45s ease;
}
.ps-info-sub {
  font-size: 1rem;
  color: #6b7a8f;
  line-height: 1.7;
  margin: 0 0 24px;
  min-height: 1.7em;
  animation: psInfoFade .45s ease;
}
.ps-info-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  border: 2px solid #00D4AA;
  border-radius: 4px;
  color: #0A2540;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-decoration: none;
  background: #ffffff;
  text-transform: uppercase;
  transition: all .25s ease;
}
.ps-info-cta:hover {
  background: #00D4AA;
  color: #ffffff;
}
.ps-cta-arrow { transition: transform .25s ease; display: inline-block; }
.ps-info-cta:hover .ps-cta-arrow { transform: translateX(4px); }
@keyframes psInfoFade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---- 底部小分页点 ---- */
.ps-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 14px;
}
.ps-dot {
  width: 22px;
  height: 3px;
  border-radius: 2px;
  background: #d8dde3;
  transition: background .25s ease, width .25s ease;
}
.ps-dot.active {
  background: #0A2540;
  width: 30px;
}

/* ---- 响应式 ---- */
@media (max-width: 960px) {
  .ps-tabs { gap: 30px; margin-bottom: 30px; }
  .ps-tab { font-size: 14px; padding: 14px 2px; }
  .ps-panels { min-height: 0; }
  .ps-strip { min-height: 0; padding: 0 4px; -webkit-mask-image: none; mask-image: none; }
  .ps-card { display: none; position: static; transform: none; }
  .ps-card.active {
    display: flex;
    flex: 0 0 calc(100% - 8px);
    max-width: calc(100% - 8px);
    width: auto;
    height: auto;
    aspect-ratio: 5 / 4;
  }
  .ps-arrow { width: 38px; height: 38px; margin-top: -19px; font-size: 22px; }
  .ps-arrow.ps-prev { left: 8px; }
  .ps-arrow.ps-next { right: 8px; }
  .ps-info-name { font-size: 1.6rem; }
  .ps-info { margin: 18px auto 8px; }
}
@media (max-width: 600px) {
  .ps-tabs { gap: 14px; overflow-x: auto; flex-wrap: nowrap; justify-content: flex-start; padding-bottom: 4px; }
  .ps-tab { white-space: nowrap; font-size: 13px; }
  .ps-panels { min-height: 0; }
  .ps-strip { gap: 8px; padding: 0 2px; }
  .ps-card.active {
    flex: 0 0 calc(100% - 4px);
    max-width: calc(100% - 4px);
    height: auto;
    aspect-ratio: 5 / 4;
  }
  .ps-arrow { width: 32px; height: 32px; font-size: 18px; }
  .ps-info-name { font-size: 1.3rem; }
  .ps-info-sub { font-size: .9rem; }
  .ps-info-cta { padding: 10px 22px; font-size: .8rem; }
  .ps-dots { margin-top: 6px; }
}


/* ============================================================
   核心产品 · 轮播版（v24 2026-09-03）— 单款舞台切换
   .product-carousel 由 PHP 常量 $productDisplay='carousel' 渲染；
   上方 .series-* 摊开版 CSS 保留，切回 accordion 即复用，勿删。
   桌面：左图右文 520px 舞台 + 页签/箭头；移动：单列堆叠 + 隐藏非活动 slide
   ============================================================ */
.product-carousel {
  margin-top: 48px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.pc-track {
  position: relative;
  min-height: 520px;
}
.pc-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.55s ease, visibility 0s linear 0.55s;
}
.pc-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
  transition: opacity 0.55s ease;
}
/* 图区：浅色底完整展示产品（透明底 webp 最佳） */
.pc-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 44px;
  background: linear-gradient(160deg, #EFF5FA 0%, #E2EDF6 100%);
  overflow: hidden;
}
.pc-media img {
  max-width: 94%;
  max-height: 420px;
  object-fit: contain;
  filter: drop-shadow(0 20px 36px rgba(10, 37, 64, 0.20));
  transform: translateX(26px) scale(0.985);
  opacity: 0;
  transition: opacity 0.6s ease 0.10s,
              transform 0.65s cubic-bezier(0.22, 0.68, 0.20, 1);
}
.pc-slide.active .pc-media img {
  transform: none;
  opacity: 1;
}
.pc-index {
  position: absolute;
  top: 24px;
  left: 26px;
  z-index: 2;
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--bg-dark);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(10, 37, 64, 0.10);
  padding: 7px 13px;
  border-radius: 8px;
}
/* 文区：深蓝信息面板 */
.pc-info {
  background: var(--bg-dark);
  background-image: radial-gradient(120% 90% at 100% 0%, rgba(0, 212, 170, 0.10) 0%, transparent 55%);
  color: var(--text-white);
  padding: 56px 46px 50px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.pc-tag {
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent);
  padding-bottom: 2px;
  border-bottom: 2px solid var(--accent);
}
.pc-name {
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--text-white);
  margin-top: 18px;
}
.pc-summary {
  font-size: 0.9725rem;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.82);
  margin-top: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: 46ch;
}
.pc-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 30px;
  padding: 12px 30px;
  border-radius: 999px;
  background: var(--gradient-accent);
  color: var(--bg-dark);
  font-weight: 800;
  font-size: 0.9375rem;
  text-decoration: none;
  box-shadow: var(--shadow-accent);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.pc-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 34px rgba(0, 212, 170, 0.30);
}
.pc-cta-arrow {
  font-size: 1.1rem;
  line-height: 1;
  transition: transform 0.3s ease;
}
.pc-cta:hover .pc-cta-arrow { transform: translateX(5px); }
/* 控制条：页签 + 箭头 */
.pc-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 24px;
  background: var(--bg-white);
  border-top: 1px solid var(--border-light);
}
.pc-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pc-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-white);
  color: var(--text-body);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
}
.pc-tab .pc-tab-num {
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.pc-tab:hover { border-color: var(--bg-dark); }
.pc-tab.active {
  background: var(--bg-dark);
  border-color: var(--bg-dark);
  color: var(--text-white);
}
.pc-tab.active .pc-tab-num { color: var(--accent); }
.pc-arrows {
  display: flex;
  gap: 8px;
}
.pc-arrow {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-white);
  color: var(--text-body);
  font-size: 1.35rem;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.25s ease;
}
.pc-arrow:hover {
  background: var(--bg-dark);
  border-color: var(--bg-dark);
  color: var(--accent);
}
/* 响应式 */
@media (max-width: 960px) {
  .pc-track { min-height: 0; }
  .pc-slide {
    position: relative;
    inset: auto;
    display: none;
    grid-template-columns: 1fr;
    opacity: 1;
    visibility: visible;
  }
  .pc-slide.active { display: grid; }
  .pc-media { min-height: 300px; padding: 30px; }
  .pc-media img { max-height: 280px; opacity: 1; transform: none; }
  .pc-info { padding: 36px 30px 40px; }
  .pc-name { font-size: 1.9rem; }
  .pc-summary { -webkit-line-clamp: 5; max-width: none; }
  .pc-controls { justify-content: center; }
}
@media (max-width: 600px) {
  .product-carousel { margin-top: 36px; }
  .pc-media { min-height: 240px; }
  .pc-media img { max-height: 220px; }
  .pc-info { padding: 30px 22px 34px; }
  .pc-name { font-size: 1.6rem; }
  .pc-tag { font-size: 0.6875rem; }
  .pc-summary { font-size: 0.90625rem; }
  .pc-cta { margin-top: 22px; padding: 11px 26px; font-size: 0.875rem; }
  .pc-tab { padding: 7px 13px; font-size: 0.8125rem; }
  .pc-arrow { width: 36px; height: 36px; }
}


/* ============================================================
   合作伙伴 Logo 墙（新闻下方）— 动态无缝轮播
   ============================================================ */
.partners-marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 30s linear infinite;
}
.partners-marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee-group {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-right: 18px;
}
.partner-logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 70px;
  min-width: 140px;
  padding: 14px 26px;
  border-radius: var(--radius);
  background: #FFFFFF;
  border: 1px solid #E4E9F0;
  box-shadow: var(--shadow-sm);
  cursor: default;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}
/* —— 真实合作客户 LOGO（默认蒙板 → hover 原色） —— */
.partner-logo img {
  display: block;
  height: 38px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  /* 默认统一蒙板：灰度 + 半透明，让 6 个不同底色的 LOGO 视觉一致 */
  filter: grayscale(100%) opacity(0.55);
  transition: filter 0.4s ease, transform 0.4s ease;
}
.partner-logo:hover {
  border-color: rgba(0, 212, 170, 0.55);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.partner-logo:hover img {
  /* hover：移除蒙板，6 个 LOGO 还原原色 */
  filter: grayscale(0) opacity(1);
  transform: scale(1.04);
}
/* 屏读占位（仅 SEO/无障碍） */
.partner-logo-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* —— 移动端：产品系列卡片 —— */
@media (max-width: 900px) {
  /* .series-grid 的 960px / 600px 断点已包含移动端样式 */
}

/* ============================================
   HOME BANNER 文本层类（2026-09-02 v12 截图样式文本标题层）
   2026-09-02 v13：独立 BAN 区块已移除，2 张大图并入 hero 轮播
   （.hero-slide-banner 全屏大图幻灯复用以下 content/eyebrow/title/sub/cta 类）；
   .home-banner/.home-banner-track/.home-banner-slide/.home-banner-dot(s)
   原容器类已无对应 DOM，保留防回归
   ============================================ */
.home-banner {
  position: relative;
  width: 100%;
  height: clamp(420px, 65vh, 620px);
  overflow: hidden;
  background: #0A2540;
}
.home-banner-track {
  position: relative;
  width: 100%;
  height: 100%;
}
.home-banner-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  will-change: opacity;
}
.home-banner-slide.active {
  opacity: 1;
  z-index: 1;
}
.home-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(10, 37, 64, 0.85) 0%,
    rgba(10, 37, 64, 0.55) 45%,
    rgba(10, 37, 64, 0.35) 100%);
  z-index: 1;
}
.home-banner-content {
  position: relative;
  z-index: 2;
  max-width: var(--container, 1280px);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  color: #FFFFFF;
}
.home-banner-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  color: var(--accent, #00D4AA);
  margin-bottom: 22px;
  position: relative;
  padding-left: 56px;
}
.home-banner-eyebrow::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 2px;
  background: var(--accent, #00D4AA);
}
.home-banner-title {
  margin: 0 0 24px;
  font-size: clamp(2.4rem, 5.6vw, 4.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
}
.home-banner-title span {
  display: block;
}
.home-banner-sub {
  margin: 0 0 10px;
  font-size: clamp(0.95rem, 1.4vw, 1.125rem);
  font-weight: 400;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  max-width: 640px;
}
.home-banner-sub2 {
  margin: 0 0 36px;
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  font-weight: 300;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
  max-width: 640px;
}
.home-banner-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
/* 全屏 banner 下按钮半透明边框样式（追加 .btn-ghost） */
.btn.btn-ghost {
  background: transparent;
  color: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
}
.btn.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}
.home-banner-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 10px;
}
.home-banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: all 0.3s ease;
}
.home-banner-dot.active {
  background: var(--accent, #00D4AA);
  border-color: var(--accent, #00D4AA);
  width: 32px;
  border-radius: 6px;
}
/* 移动端：高度降低 + 单列排版 */
@media (max-width: 768px) {
  .home-banner {
    height: clamp(360px, 55vh, 480px);
  }
  .home-banner-content {
    padding: 0 20px;
    justify-content: flex-end;
    padding-bottom: 80px;
  }
  .home-banner-title {
    font-size: clamp(1.8rem, 7.5vw, 2.6rem);
  }
  .home-banner-eyebrow {
    font-size: 0.7rem;
    letter-spacing: 0.24em;
    padding-left: 36px;
    margin-bottom: 14px;
  }
  .home-banner-eyebrow::before {
    width: 28px;
  }
  .home-banner-sub, .home-banner-sub2 {
    font-size: 0.875rem;
    max-width: 100%;
  }
  .home-banner-cta .btn {
    padding: 10px 22px;
    font-size: 0.875rem;
  }
}

/* ============================================================
   产品超级下拉（雅迪式）：全宽面板 + 左侧快捷入口 + 分类分组缩略图
   ============================================================ */
@media (min-width: 769px) {
  /* 让 mega 面板相对 .header（fixed）定位 → 横贯全屏 */
  .nav-item.has-mega { position: static; }

  /* 桌面端 hover 直接展开（与雅迪一致），点击逻辑保留兜底 */
  .nav-item:hover > .dropdown-menu,
  .nav-item:hover > .dropdown-menu.mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-item:hover .nav-link .arrow { transform: rotate(180deg); }

  .dropdown-menu.mega-menu {
    /* 内容区不满屏：左右各留 100px 间距（2026-09-09 曹总口径） */
    left: 100px;
    right: 100px;
    top: 100%;
    min-width: 0;
    width: auto;
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 0;
    margin-top: 0;
    border-top: 1px solid rgba(10, 37, 64, 0.06);
  }
}

.mega-inner {
  display: flex;
  align-items: stretch;
  max-width: 1600px;
  width: 100%;
  /* 下拉高度 = 一屏高度的 2/3（2026-09-09 曹总口径），随窗口自适应 */
  height: calc(100vh * 2 / 3);
  margin: 0 auto;
}

/* 左侧栏：快捷入口 */
.mega-side {
  flex: 0 0 218px;
  background: #F6F9FC;
  border-radius: 0 0 0 var(--radius);
  padding: 30px 24px;
}
.mega-side-main {
  display: block;
  padding: 8px 2px 10px;
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 800;
  color: var(--primary, #0A2540);
  letter-spacing: 0.02em;
  text-decoration: none;
}
.mega-side-main.is-active { color: var(--primary, #0A2540); font-weight: 800; }
.mega-side a {
  display: block;
  padding: 10px 2px;
  font-size: 14px;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  border-bottom: 1px dashed #E2E8F0;
  transition: var(--transition-fast);
}
.mega-side a:last-child { border-bottom: none; }
.mega-side a:hover { color: #00B894; padding-left: 6px; }
/* 栏目入口下划线交互：全部车型 / 三电核心零部件 两个入口互斥 is-active */
.mega-side a[data-all-link], .mega-side a[data-solo-link] { position: relative; }
.mega-side a[data-all-link]::after,
.mega-side a[data-solo-link]::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: #00B894;
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}
.mega-side a[data-all-link]:hover::after,
.mega-side a[data-solo-link]:hover::after { transform: scaleX(0.4); }
.mega-side a.is-active { color: #00B894; font-weight: 600; }
.mega-side a[data-all-link].is-active::after,
.mega-side a[data-solo-link].is-active::after { transform: scaleX(1); }

/* 右侧主区：分类分组（雅迪式：系列从上到下单列排布，组内缩略图横排） */
.mega-main {
  flex: 1;
  padding: 6px 32px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  height: 100%;
}
/* 分隔线只出现在「两个都可见」的相邻分类组之间：三电视图下 solo 组为唯一可见组，
   其前面被 display:none 的隐藏组仍在 DOM 中会误命中 + 选择器 → 用 :not(.is-hidden) 过滤 */
.mega-group:not(.is-hidden) + .mega-group:not(.is-hidden) {
  border-top: 1px solid #EEF2F7;
  padding-top: 2px;
  margin-top: 0;
}
.mega-cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  font-size: 15px;
  font-weight: 700;
  color: #0A2540;
  text-decoration: none;
  padding-left: 10px;
  border-left: 3px solid #00D4AA;
  line-height: 1.3;
  transition: var(--transition-fast);
}
.mega-cat:hover { color: #00B894; }
.mega-cat-arrow { font-size: 14px; color: #94A3B8; transition: var(--transition-fast); }
.mega-cat:hover .mega-cat-arrow { color: #00B894; transform: translateX(3px); }

.mega-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px 16px;
  margin-top: 4px;
}
.mega-prod {
  width: auto;
  min-width: 0;
  text-align: center;
  text-decoration: none;
  border-radius: 10px;
  padding: 6px 8px 8px;
  transition: var(--transition-fast);
}
.mega-prod:hover { background: #F6F9FC; }
.mega-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 76px;
  overflow: hidden;
}
.mega-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.mega-prod:hover .mega-thumb img { transform: scale(1.09); }
.mega-name {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  font-weight: 600;
  color: #475569;
  letter-spacing: 0.02em;
  transition: var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mega-prod:hover .mega-name { color: #00B894; }

/* 三电核心零部件：与全部车型同构的分类分组（控制器/电机/电池…） */
.mega-subgroups {
  margin-top: 4px;   /* 控制器标题与上方 Tab 行横线间距 = 组距(4) + 此值(4) = 8px，与全部车型视图一致 */
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.mega-subcat {
  font-size: 15px;   /* 与全部车型分类标题 .mega-cat 统一字号 */
  font-weight: 700;
  color: #0A2540;
  padding-left: 10px;
  border-left: 3px solid #00D4AA;
  line-height: 1.3;
  margin-bottom: 2px;
}
.mega-empty {
  font-size: 13px;
  color: #94A3B8;
  padding: 14px 0 4px;
}
/* Tab 行 / 三电分组显隐：两行 Tab 互斥，sub 过滤三电分组 */
.mega-tabs.is-hidden { display: none; }
.mega-subgroup.is-hidden { display: none; }
.mega-prod.is-hidden { display: none; }

/* 移动端：回到手风琴抽屉，纵向布局 */
@media (max-width: 768px) {
  .nav-item.active .dropdown-menu.mega-menu {
    max-height: 60vh;
    overflow-y: auto;
  }
  .mega-inner {
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: auto;
    gap: 0;
  }
  .mega-side {
    flex: none;
    padding: 14px 16px;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.04);
  }
  .mega-side-main {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2px;
  }
  .mega-side-main.is-active { color: #00D4AA; }
  .mega-side a { color: rgba(255, 255, 255, 0.75); border-bottom-color: rgba(255, 255, 255, 0.08); }
  .mega-side a:hover { color: #00D4AA; padding-left: 2px; }
  .mega-main {
    display: flex;
    flex-direction: column;
    padding: 6px 16px 16px;
    max-height: none;
    height: auto;
    overflow: visible;
    gap: 12px;
  }
  .mega-group:nth-child(n+3) { border-top: none; padding-top: 0; }
  .mega-group + .mega-group { border-top: 1px solid rgba(255, 255, 255, 0.08); padding-top: 12px; }
  .mega-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 10px; }
  .mega-prod { width: auto; }
  .mega-thumb { height: 68px; }
  .mega-name { font-size: 12px; }
}

/* 修复：header 的 backdrop-filter 会使 fixed 后代（.nav 抽屉）的包含块变成 header，
   导致移动端抽屉高度塌陷。移动端改用不透明底色并关闭 backdrop-filter。 */
@media (max-width: 768px) {
  .header {
    background: rgba(10, 37, 64, 0.98);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* ============================================================
   Mega 下拉：顶部分类切换 Tab（雅迪式 All / 系列…）
   ============================================================ */
.mega-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding: 0 0 6px;
  margin-bottom: 2px;
  border-bottom: 1px solid #EEF2F7;
  scrollbar-width: none;
}
.mega-tabs::-webkit-scrollbar { display: none; }
.mega-tab {
  flex: 0 0 auto;
  appearance: none;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #94A3B8;
  padding: 6px 14px;
  position: relative;
  transition: var(--transition-fast);
  white-space: nowrap;
}
.mega-tab:hover { color: #0A2540; }
.mega-tab::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  background: #0A2540;
  transform: scaleX(0);
  transition: transform 0.25s ease;
}
.mega-tab.active { color: #0A2540; font-weight: 700; }
.mega-tab.active::after { transform: scaleX(1); }
.mega-group.is-hidden { display: none; }

/* 移动端：Tab 横向滚动，样式微调 */
@media (max-width: 768px) {
  .mega-tabs {
    padding: 0 0 8px;
    margin-bottom: 2px;
    gap: 2px;
  }
  .mega-tab { font-size: 13px; padding: 6px 10px; }
  .mega-tab::after { left: 10px; right: 10px; background: #00D4AA; }
}

/* ============================================================
   复位：通用 .dropdown-menu a（display:block/padding/font-size）
   优先级 (0,1,1) 高于单个 .mega-* 类，会撑开 mega 面板内的链接，
   导致分组行超高、首行缩略图被裁。这里按面板作用域压回去。
   ============================================================ */
.dropdown-menu.mega-menu .mega-cat {
  display: inline-flex;
  padding: 0 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: #0A2540;
  border-radius: 0;
  background: none;
}
.dropdown-menu.mega-menu .mega-prod {
  padding: 4px 10px 6px;
  font-size: 14px;
  font-weight: 400;
  color: inherit;
  border-radius: 10px;
}
.dropdown-menu.mega-menu .mega-cat:hover { background: none; color: #00B894; }
.dropdown-menu.mega-menu .mega-prod:hover { background: #F6F9FC; color: inherit; }

/* 固定高度面板内禁止 flex 压缩 Tab 栏与分组（防 squeeze 裁切） */
.mega-tabs, .mega-group { flex: 0 0 auto; }
/* 桌面端产品图：紧凑尺寸（2026-09-09 反馈：图片与上下间距拉小，面板=一屏2/3） */
@media (min-width: 769px) {
  .mega-thumb { height: 100px; }
  .mega-name { font-size: 14px; margin-top: 4px; }
}

/* 面板高度切换平滑过渡（JS 切 Tab 时动态调 .mega-inner 高度） */
.mega-inner { transition: height 0.3s ease; }

/* ============================================================
   联系页合作伙伴 — 两行自动轮播（第一行左滚 / 第二行右滚）
   ============================================================ */
.partners-duo {
  display: grid;
  gap: 16px;
  padding: 8px 0 32px;
}
/* 第二行反向滚动：复用两份半组结构，从 -50% 回到 0 即无缝右移 */
.marquee-track.rev {
  animation-name: marqueeScrollRev;
  animation-duration: 34s;
}
@keyframes marqueeScrollRev {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

/* ===== 2026-09-10 首页压高打磨（曹总反馈版块占比偏高；仅 ID 作用域，不动版式骨架） ===== */
.hero.hero-carousel{min-height:100vh}
.hero-slides{min-height:100vh}
.stats-bar{padding:34px 0}
.stats-bar .stat-item{padding:10px}
#about,#products,#news{padding:64px 0}
#solutions{padding:60px 0}
#about .feature-card-image{height:170px}
#solutions .solution-card-image{aspect-ratio:5/2}
.cta-section{padding:44px 0}

/* ===== 2026-09-10 v2：核心能力/智能解决方案再压高 + 深色区改浅色（曹总反馈） ===== */
#about{padding:52px 0}
#about .feature-card-image{height:148px}
#about .feature-card-body{padding:20px 22px}
#solutions{padding:52px 0}
#solutions .solution-card-image{aspect-ratio:3/1}
#solutions .solution-card-body{padding:22px}
#solutions .solution-card p{margin-top:10px}
/* 深色改浅色：品牌青色带（比 bg-light 灰深一档，与前后版块拉开层次）+ 白卡描边 */
#solutions.bg-dark{background:linear-gradient(180deg,#E6F4EF 0%,#D8EEE6 100%);color:#0A2540;border-top:1px solid #CBE5DC;border-bottom:1px solid #CBE5DC}
#solutions.bg-dark .section-title{color:#0A2540}
#solutions.bg-dark .section-subtitle{color:#64748B}
#solutions .solution-card{background:#fff;border:1px solid #E2E8F0;box-shadow:0 6px 18px rgba(10,37,64,.05)}
#solutions .solution-card:hover{background:#fff;border-color:#00D4AA}
#solutions .solution-card h3{color:#0A2540}
#solutions .solution-card p{color:#64748B}
#solutions .solution-icon{background:rgba(0,212,170,.14)}

/* ===== 2026-09-10 v4：方案卡改可点击 + 核心产品区压高（A 方案落地） ===== */
a.solution-card{text-decoration:none;color:inherit}
#products{padding:48px 0}
#products .ps-strip{min-height:356px}
#products .ps-card{height:356px}
#products .ps-tabs{margin-bottom:30px;gap:44px}
#products .ps-tab{padding:12px 4px}
#products .ps-info{margin:14px auto 10px}
#products .ps-info-name{font-size:2rem}
#products .ps-info-sub{margin-bottom:16px}


/* ===== 2026-09-10 v5：方案区背景柔和过渡 + 卡图缩显全景 + 线状图标（曹总反馈） ===== */
/* 背景：首尾融入相邻 bg-light(#F8FAFC)，中部淡青渐入渐出，消除上下生硬切割 */
#solutions.bg-dark{background:linear-gradient(180deg,#F8FAFC 0%,#EAF4EF 55%,#F8FAFC 100%);border-top:0;border-bottom:0}
/* 卡图：内缩圆角 + 2:1 全景框（贴近图源比例：卡1 零裁剪，卡2-4 仅轻裁上下） */
#solutions .solution-card-image{aspect-ratio:2/1;margin:14px 14px 0;border-radius:10px}
/* 图标：emoji 换线状 SVG（与行业方案页同风格描线），圆形底精致化 */
.solution-icon{border-radius:50%;color:#0A9A7E}
.solution-icon svg{width:24px;height:24px;display:block}

/* ===== 2026-09-10 v6：方案区交界处保留淡色区分 + 核心能力 6 卡改内链 ===== */
#solutions.bg-dark{background:linear-gradient(180deg,#EFF7F3 0%,#E9F3EE 50%,#EFF7F3 100%)}
a.feature-card{text-decoration:none;color:inherit;display:block}

/* ===== 2026-09-10 v7：版块标题精调（曹总确认：30px + 字重700 + 品牌深蓝） ===== */
.section-title{font-size:30px;font-weight:700;color:#0A2540}

/* ===== 2026-09-10 v8：方案区压缩至一屏（C 方案：整体压缩 + 图 2.2:1 尽量全景） ===== */
#solutions{padding:40px 0}
#solutions .section-subtitle{margin-bottom:28px}
#solutions .solutions-grid{gap:16px}
#solutions .solution-card-image{margin:12px 12px 0;border-radius:8px;aspect-ratio:2.2/1}
#solutions .solution-card-body{padding:14px 18px}
#solutions .solution-card h3{font-size:18px}
#solutions .solution-card p{font-size:13.5px;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.65}
#solutions div[style*="text-align:center"]{margin-top:40px !important}

/* ===== 2026-09-10 v9：首页按钮样式统一（胶囊形 + 青实心深字 / 描边同规格） ===== */
#hero-carousel .btn, #solutions .btn, #news .btn, .cta-section .btn{border-radius:999px;padding:13px 34px;font-weight:700;font-size:1rem}
#hero-carousel .btn-primary, #solutions .btn-primary, .cta-section .btn-primary{background:var(--accent);color:#0A2540}
#hero-carousel .btn-primary:hover, #solutions .btn-primary:hover, .cta-section .btn-primary:hover{background:var(--accent-hover);color:#0A2540}
.cta-section .btn-outline{border-color:rgba(255,255,255,.85);border-radius:999px}
.ps-info-cta{border-radius:999px}
.pc-cta{background:var(--accent);color:#0A2540}
.pc-cta:hover{background:var(--accent-hover)}

/* ===== 2026-09-10 v10：首页 header 透明悬浮（滚动或悬浮恢复深底；仅 #hero-carousel 页面由 JS 挂 is-transparent） ===== */
.header.is-transparent{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:none}
.header.is-transparent.scrolled{background:rgba(10,37,64,0.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 2px 20px rgba(0,0,0,.15)}
/* Banner 图延伸到透明 header 底下：72px 偏移挪进内容层，文字位置不变 */
#hero-carousel{padding-top:0}
#hero-carousel .hero-content{padding-top:72px}
/* 移动端保持防抽屉塌陷：不用 backdrop-filter */
@media (max-width:768px){
  .header.is-transparent{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
  .header.is-transparent.scrolled{background:rgba(10,37,64,0.98);backdrop-filter:none;-webkit-backdrop-filter:none}
}

/* ===== 2026-09-10 v11：透明态导航默认无光圈（仅悬浮出现） + Banner 满屏 100vh ===== */
.header.is-transparent:not(.scrolled) .nav-link.active{background:transparent}
#hero-carousel .hero-slides{min-height:100vh}

/* ===== 2026-09-10 v12：Banner 指示条进度交互（填充动画与 8s 自动切换同步，悬浮暂停） ===== */
#hero-carousel .hero-dot{position:relative;overflow:hidden}
#hero-carousel .hero-dot .dot-fill{position:absolute;inset:0;background:var(--accent);transform:scaleX(0);transform-origin:left}
#hero-carousel .hero-dot.active{background:rgba(255,255,255,0.35)}

/* ===== 2026-09-11 v14：移动端 header 精修（英文长文案不换行、间距收紧，曹总反馈） ===== */
@media (max-width:768px){
  .header-inner{padding:0 14px}
  .header-actions{gap:8px;flex:0 0 auto}
  .lang-switch{font-size:0.8125rem;gap:3px;white-space:nowrap}
  .btn-contact{white-space:nowrap;padding:8px 13px;font-size:0.8125rem}
}

/* ===== 2026-09-11 v15：产品详情页全屏 Banner 轮播（每车型独立图，后续可替换为宣传海报） ===== */
.pdp-hero{position:relative;height:100vh;min-height:600px;background:#0A2540;overflow:hidden}
.pdp-hero-slides{position:absolute;inset:0}
.pdp-hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}
.pdp-hero-slide.active{opacity:1}
.pdp-hero-slide img{width:100%;height:100%;object-fit:cover;display:block}
.pdp-hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,37,64,.62) 0%,rgba(10,37,64,.16) 38%,rgba(10,37,64,.80) 100%);pointer-events:none}
.pdp-hero-inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:120px 0 92px}
.pdp-hero-cat{display:inline-block;margin:0 0 14px;padding:6px 14px;border:1px solid rgba(255,255,255,.45);border-radius:999px;color:#fff;font-size:.8125rem;letter-spacing:.08em;text-transform:uppercase}
.pdp-hero-title{margin:0;color:#fff;font-size:clamp(34px,4.6vw,64px);font-weight:800;line-height:1.1;letter-spacing:-.01em}
.pdp-hero-sub{margin:16px 0 0;max-width:640px;color:rgba(255,255,255,.88);font-size:1.0625rem;line-height:1.7}
.pdp-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.pdp-hero .btn-outline{border-color:rgba(255,255,255,.75);color:#fff}
.pdp-hero .btn-outline:hover{background:#fff;color:#0A2540}
.pdp-hero-dots{position:absolute;left:0;right:0;bottom:40px;display:flex;justify-content:center;gap:10px}
.pdp-hero-dot{position:relative;width:46px;height:4px;padding:0;border:none;border-radius:999px;background:rgba(255,255,255,.35);cursor:pointer;overflow:hidden}
.pdp-hero-dot .dot-fill{position:absolute;inset:0;background:#00D4AA;transform:scaleX(0);transform-origin:left}
@media (max-width:768px){
  .pdp-hero{min-height:520px}
  .pdp-hero-inner{padding:96px 0 76px}
  .pdp-hero-title{font-size:32px}
  .pdp-hero-sub{font-size:.95rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .pdp-hero-actions{margin-top:22px}
  .pdp-hero-actions .btn{padding:12px 22px;font-size:.9375rem}
  .pdp-hero-dots{bottom:28px}
  .pdp-hero-dot{width:34px}
}

/* ===== 2026-09-11 v16：详情页 Banner 单图占位 + 产品标题贴左下角 ===== */
/* 根因：.container 的 margin:0 auto 在 flex 纵向容器中使宽度收缩为内容宽并整体居中，
   导致标题看起来悬在中间；width:100% 恢复拉伸，标题块贴页面左 gutter、底部对齐 */
.pdp-hero-inner .container{width:100%;text-align:left}
.pdp-hero-inner{padding:120px 0 72px}
@media (max-width:768px){
  .pdp-hero-inner{padding:96px 0 56px}
}

/* ===== 2026-09-11 v17：详情页「版本切换」Tab（一系列双模式） ===== */
.pdp-hero-slide.is-off{display:none}
.pdp-ver-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 2px}
.pdp-ver-tab{appearance:none;cursor:pointer;font:inherit;font-size:.9375rem;font-weight:600;padding:9px 20px;border-radius:999px;
  border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.10);color:#fff;transition:.25s}
.pdp-ver-tab:hover{border-color:#fff;background:rgba(255,255,255,.20)}
.pdp-ver-tab.is-active{background:#00D4AA;border-color:#00D4AA;color:#0A2540}
.pdp-ver-tab:focus-visible{outline:2px solid #00D4AA;outline-offset:2px}
@media (max-width:768px){
  .pdp-ver-tabs{gap:8px;margin-top:14px}
  .pdp-ver-tab{padding:8px 15px;font-size:.875rem}
}

/* ===== 2026-09-11 v18：标题长串换行兜底（无空格文案不撑破布局）===== */
.section-title,.section-subtitle{overflow-wrap:break-word;word-break:break-word}

/* ===== 2026-09-11 v18：标题长串换行兜底（无空格文案不撑破布局）===== */
.section-title,.section-subtitle{overflow-wrap:break-word;word-break:break-word}

/* ---------- 资源下载：未上传文件时禁用 ---------- */
.btn-download.is-disabled, .btn-outline-dark.is-disabled { opacity: .45; pointer-events: none; }

/* ===== 视频弹层播放（2026-09-15：资源中心视频卡点击在本页播放）===== */
.video-card.is-playable { cursor: pointer; }
.vmodal {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.vmodal[hidden] { display: none; }
.vmodal-mask {
  position: absolute; inset: 0;
  background: rgba(6, 20, 34, .82);
  -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
}
.vmodal-box {
  position: relative; width: min(1080px, 100%);
  background: #06121f; border-radius: 14px; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
}
.vmodal-close {
  position: absolute; top: 10px; right: 12px; z-index: 2;
  width: 38px; height: 38px; border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .14); color: #fff;
  font-size: 17px; line-height: 1; cursor: pointer; transition: .2s;
}
.vmodal-close:hover { background: rgba(255, 255, 255, .3); }
.vmodal-player { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #000; }
.vmodal-player iframe, .vmodal-player video {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block;
}
.vmodal-title { color: #e6eef7; font-size: 14.5px; padding: 12px 18px; margin: 0; background: #06121f; }
@media (max-width: 600px) {
  .vmodal { padding: 12px; }
  .vmodal-close { top: 6px; right: 8px; width: 34px; height: 34px; }
}

/* ===== 文档在线预览（2026-09-15）===== */
.vmodal-box--doc { width: min(1000px, 100%); background: #fff; }
.vmodal-box--doc .vmodal-player { aspect-ratio: auto; height: min(78vh, 900px); background: #fff; }
.vmodal-box--doc .vmodal-title { background: #fff; color: #0A2540; border-top: 1px solid #e6edf5; }
.vmodal-box--doc .vmodal-close { background: rgba(10, 37, 64, .1); color: #0A2540; }
.vmodal-box--doc .vmodal-close:hover { background: rgba(10, 37, 64, .2); }
.btn-preview {
  display: inline-flex; align-items: center; gap: 6px;
  margin-left: 8px; padding: 10px 20px;
  border: 1.5px solid #0A2540; border-radius: 22px;
  background: transparent; color: #0A2540;
  font-size: 14px; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: .25s; text-decoration: none;
}
.btn-preview:hover { background: #0A2540; color: #fff; }

/* ===== 技术文档卡：按钮统一规格（2026-09-15）=====
   目的：让「下载按钮」与「在线预览按钮」在尺寸、边框、圆角、字号上完全一致，
        且不受按钮文字长短影响；文件大小固定显示在按钮下方右对齐。 */
.doc-grid.three .doc-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.doc-grid.three .doc-foot .btn,
.doc-grid.three .doc-foot .btn-preview {
  flex: 0 0 auto;
  width: 114px;          /* 固定宽度：两个按钮完全等宽，不随文字长短变化 */
  min-width: 114px;
  height: 42px;
  padding: 0 8px;
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid #0A2540;
  border-radius: 22px;
  background: transparent;
  color: #0A2540;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  line-height: 1;
  box-sizing: border-box;
  text-decoration: none;
  cursor: pointer;
  transition: .25s;
  white-space: nowrap;
}
.doc-grid.three .doc-foot .btn:hover,
.doc-grid.three .doc-foot .btn-preview:hover {
  background: #0A2540;
  border-color: #0A2540;
  color: #fff;
}
.doc-grid.three .doc-foot .btn.is-disabled,
.doc-grid.three .doc-foot .btn.is-disabled:hover {
  border-color: #cbd5e1;
  color: #94a3b8;
  background: transparent;
  cursor: not-allowed;
}
/* 文件大小：独占一行，固定右对齐 */
.doc-grid.three .doc-foot .doc-meta {
  flex: 0 0 100%;
  display: block;
  margin: 2px 0 0;
  text-align: right;
  font-size: 12.5px;
  color: #94a3b8;
  letter-spacing: .02em;
}

/* ============================================
   页脚底部：版权 + 隐私政策 / Cookie 说明 链接
   （原为内联样式，2026-09-15 迁到此处并追加法务链接）
   ============================================ */
.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 18px;
  text-align: center;
  padding: 24px 0;
  color: #94A3B8;
  font-size: 13px;
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.footer-legal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-legal a {
  color: #94A3B8;
  transition: color .2s ease;
}
.footer-legal a:hover {
  color: #fff;
  text-decoration: underline;
}
.footer-legal-sep { opacity: .45; }

/* ============================================
   Cookie / 隐私提示条（底部横向细条）
   - 默认隐藏，JS 判定未确认后给 body 加 .cookie-open 才显示（避免闪现）
   - z-index 900：低于顶部导航（1000）与弹层（9999），高于正文
   - 打开时抬升右下浮动按钮并给 body 补底部留白，避免遮挡页脚末行
   ============================================ */
.cookie-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 900;
  background: #fff;
  border-top: 1px solid rgba(10, 37, 64, .12);
  box-shadow: 0 -4px 18px rgba(10, 37, 64, .08);
  padding: 14px 0;
}
body.cookie-open .cookie-bar { display: block; }
body.cookie-open { padding-bottom: 78px; }
body.cookie-open .fab-stack { bottom: 110px; }
.cookie-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.cookie-bar p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.55;
  color: #475569;
}
.cookie-bar p a {
  color: #0A2540;
  font-weight: 600;
  text-decoration: underline;
  white-space: nowrap;
}
.cookie-bar-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.cookie-bar-btn {
  flex: 0 0 auto;
  min-width: 104px;
  height: 40px;
  padding: 0 22px;
  border: 1.5px solid transparent;
  border-radius: 20px;
  background: #00D4AA;
  color: #052b24;
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}
.cookie-bar-btn:hover { background: #00bf9a; }
.cookie-bar-btn:focus-visible { outline: 2px solid #0A2540; outline-offset: 2px; }
/* 次要按钮：拒绝与接受视觉权重相同（避免暗黑模式），仅用描边区分 */
.cookie-bar-btn--ghost {
  background: transparent;
  border-color: rgba(10, 37, 64, .28);
  color: #0A2540;
}
.cookie-bar-btn--ghost:hover {
  background: rgba(10, 37, 64, .05);
  border-color: rgba(10, 37, 64, .5);
}

/* 隐私政策页：重新设置 Cookie 偏好 */
.pp-consent-reset { margin-top: 18px; }
.pp-reset-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 22px;
  border: 1.5px solid #0A2540;
  border-radius: 22px;
  background: #fff;
  color: #0A2540;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.pp-reset-btn:hover { background: #0A2540; color: #fff; }

@media (max-width: 768px) {
  .cookie-bar { padding: 12px 0; }
  .cookie-bar .container {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .cookie-bar p { font-size: .8125rem; }
  .cookie-bar-actions { width: 100%; }
  .cookie-bar-btn { flex: 1 1 0; min-width: 0; padding: 0 12px; }
  body.cookie-open { padding-bottom: 132px; }
  body.cookie-open .fab-stack { bottom: 168px; }
}

/* ============================================
   隐私政策页（/cn/privacy · /en/privacy）
   ============================================ */
.pp-layout {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}
.pp-toc {
  position: sticky;
  top: 104px;
  max-height: calc(100vh - 132px);
  overflow-y: auto;
  padding: 22px 24px;
  background: #F5F8FA;
  border: 1px solid rgba(10, 37, 64, .08);
  border-radius: 14px;
}
.pp-toc h2 {
  margin: 0 0 14px;
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #94A3B8;
}
.pp-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pp;
}
.pp-toc li { margin-bottom: 8px; }
.pp-toc a {
  display: block;
  font-size: .8125rem;
  line-height: 1.5;
  color: #5A6B7D;
  transition: color .2s ease;
}
.pp-toc a:hover { color: #00A98F; }

.pp-body { max-width: 780px; }
.pp-sec {
  padding: 0 0 30px;
  margin-bottom: 30px;
  border-bottom: 1px solid rgba(10, 37, 64, .07);
  scroll-margin-top: 104px;
}
.pp-sec:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.pp-sec h2 {
  margin: 0 0 14px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #0A2540;
  scroll-margin-top: 104px;
}
.pp-sec p {
  margin: 0 0 12px;
  font-size: .9375rem;
  line-height: 1.85;
  color: #475569;
}
.pp-sec p:last-child { margin-bottom: 0; }
.pp-sec ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.pp-sec ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 9px;
  font-size: .9375rem;
  line-height: 1.75;
  color: #475569;
}
.pp-sec ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00D4AA;
}
.pp-sec ul + p { margin-top: 14px; }
.pp-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 7px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, .16);
  color: rgba(255, 255, 255, .92);
  font-size: .8125rem;
}
@media (max-width: 980px) {
  .pp-layout { grid-template-columns: 1fr; gap: 32px; }
  .pp-toc { position: static; }
  .pp-body { max-width: none; }
}

/* ============================================
   询盘表单：隐私政策同意勾选 + 数据用途说明
   ============================================ */
.form-consent { margin: 2px 0 18px; }
.consent-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: .8125rem;
  line-height: 1.65;
  color: #475569;
}
.consent-check input[type="checkbox"] {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  accent-color: #00D4AA;
  cursor: pointer;
}
.consent-check a {
  color: #0A2540;
  font-weight: 600;
  text-decoration: underline;
}
.consent-check a:hover { color: #00A98F; }
.form-privacy-note {
  margin: 12px 0 0;
  font-size: .75rem;
  line-height: 1.6;
  text-align: center;
  color: #94A3B8;
}

/* ===== 2026-09-21 曹总验收①：压缩首页核心产品区竖向留白（笔记本首屏可见车型信息） =====
   问题：1440x800 笔记本上车型信息底部落在 879px，要下滑 79px 才看得到；
   主因：.ps-panels 的 min-height:400px 一直没被覆盖（内容只有 356px，多出 44px 空白）。
   本段只压空白与视觉尺寸，不动 JS —— 640px 是横向步长，与竖向留白无关。 */
#products{padding:36px 0 40px}
#products .ps-panels{min-height:0}
#products .ps-strip{min-height:296px}
#products .ps-card{height:296px}
#products .ps-tabs{margin-bottom:16px}
#products .ps-info{margin:10px auto 10px}
#products .ps-info-name{font-size:1.9rem;margin-bottom:8px}
#products .ps-info-sub{margin-bottom:14px}

/* 2026-09-21 曹总验收②：首页轮播箭头与右侧客服悬浮按钮视觉上"并排"，向内收让开 */
#products .ps-arrow.ps-prev{left:56px}
#products .ps-arrow.ps-next{right:56px}

/* ===== 2026-09-21 曹总验收⑦⑪：使命卡改「三步流程」+ 放大关键词 ===== */
#mission .mission-step{
  display:block; font-size:13px; font-weight:500; letter-spacing:2px;
  color:#00D4AA; margin-bottom:12px; font-variant-numeric:tabular-nums;
}
#mission .mission-card h3{ font-size:1.9rem; letter-spacing:.5px; }
#mission .mission-card p{ margin-top:12px; }

/* ===== 2026-09-21 曹总验收⑪：专利与质量体系四卡片 —— 放大关键词，图标弱化 ===== */
#certifications .cert-badge .icon{ width:22px; height:22px; opacity:.7; margin:0 auto 6px; }
#certifications .cert-badge .icon svg{ width:22px; height:22px; }
#certifications .cert-badge .name{ font-size:1.5rem; letter-spacing:.5px; margin-bottom:8px; }
#certifications .cert-badge .desc{ font-size:.875rem; line-height:1.65; }

/* ===== 2026-09-22 杰哥调整：车图区加高 + 居中产品加大 + 两侧邻车多露 =====
   · 高度 296 → 380（+84px，让内容区接近一屏）
   · 卡片宽 700 → 780（居中产品更大）
   · JS 步长保持 640 → 两侧邻车露出 = 780-640 = 140px（原 700-640 = 60px，翻倍多） */
#products .ps-strip{ min-height:380px; }
#products .ps-card{ height:380px; width:780px; max-width:780px; }
#products .ps-info{ margin-top:14px; }

/* ===== 2026-09-22 杰哥调整②：轮播箭头字符居中 + 左右各往中间挪 100px =====
   原 left/right:56px → 156px（注意：居中卡两侧边界在 330 / 1110，挪后箭头 260~308 / 1132~1180，不会压到车图） */
#products .ps-arrow{
  display:flex; align-items:center; justify-content:center;
  line-height:1; padding:0; text-indent:0;
}
#products .ps-arrow.ps-prev{ left:156px; }
#products .ps-arrow.ps-next{ right:156px; }
#products .ps-arrow.ps-prev span, #products .ps-arrow.ps-next span{ line-height:1; }

/* 2026-09-22 补充：‹ › 是单角引号字符，字形自带左/右尖偏移 → 各补 2px 视觉居中 */
#products .ps-arrow.ps-prev{ padding:2px 0 0 2px; }
#products .ps-arrow.ps-next{ padding:2px 2px 0 0; }

/* ===== 2026-09-22 杰哥调整③：箭头字符改「CSS 几何图形」，彻底解决居中 =====
   ‹› 是字体里的单角引号，字形在 em 框内自带偏移（实测偏下约 17px），padding 调不干净。
   改用伪元素画 chevron：flex 居中一个纯几何体 → 精准居中，且不受字体影响。 */
#products .ps-arrow{ font-size:0; padding:0; }
#products .ps-arrow::before{
  content:''; display:block; width:9px; height:9px; margin-left:3px;
  border-left:2px solid currentColor; border-bottom:2px solid currentColor;
  transform: rotate(45deg);
}
#products .ps-arrow.ps-next::before{ transform: rotate(-135deg); margin:0 3px 0 0; }

/* ===== 2026-09-22 杰哥调整④：使命卡序号挪到标题前 + 蓝绿色 =====
   原：块级显示在卡片顶部（深绿）→ 改为行内、紧贴标题左侧、品牌蓝绿 #00D4AA */
#mission .mission-step{
  display:inline; color:#00D4AA; font-size:1.9rem; font-weight:500;
  letter-spacing:1px; margin-right:10px; font-variant-numeric:tabular-nums;
}


/* ===== 2026-09-22 ⑩ 检测实验室：加「实验室全景」背景（曹总建议「增加一张实验室全景作为背景，而非单一的图标罗列」） ===== */
#lab.has-bg{position:relative;background-size:cover;background-position:center 42%;background-repeat:no-repeat}
#lab.has-bg::before{content:'';position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.90) 0%,rgba(255,255,255,.80) 42%,rgba(255,255,255,.92) 100%)}
#lab.has-bg > .container{position:relative;z-index:1}
#lab.has-bg .lab-item{background:rgba(255,255,255,.76);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);border-color:rgba(226,232,240,.95)}
#lab.has-bg .lab-item:hover{background:#fff}

/* ============================================================
   2026-09-27 移动端适配修复
   ------------------------------------------------------------
   问题：桌面端调优用的 `#products .xxx` 是 ID 选择器（优先级 0,1,x,0），
        高于移动端媒体查询里的 `.xxx`（0,0,x,0）→ 移动端规则全部失效：
        · 箭头 left/right 156px 在 375px 屏上落到屏幕中间、两枚重叠
        · 卡片 width/max-width 780px 超出屏幕被裁切
   修复：媒体查询里改用同等优先级的 ID 选择器，且放在文件末尾
        （优先级相同时，后定义者胜出）。
   ============================================================ */
@media (max-width: 960px) {
  /* 箭头：贴容器两侧 */
  #products .ps-arrow.ps-prev { left: 8px; }
  #products .ps-arrow.ps-next { right: 8px; }
  /* 卡片：跟随容器宽度，不再用桌面端 780px */
  #products .ps-card,
  #products .ps-card.active {
    width: auto;
    max-width: calc(100% - 8px);
    height: auto;
  }
  /* 车图区高度跟随卡片（去掉桌面端 380px 固定高） */
  #products .ps-strip { min-height: 0; }
}
@media (max-width: 600px) {
  #products .ps-arrow.ps-prev { left: 4px; }
  #products .ps-arrow.ps-next { right: 4px; }
  #products .ps-card,
  #products .ps-card.active {
    max-width: calc(100% - 4px);
    height: auto;
  }
}

/* ------------------------------------------------------------
   Banner 说明（2026-09-27 实测结论，勿再加无效的 CSS 补丁）
   ------------------------------------------------------------
   .hero-slides 为 min-height:100vh，背景图 cover 在 375x812 竖屏下：
     · 图片按「高度」缩放填满容器 → 垂直方向刚好填满，无裁剪空间
     · 实际只显示原图约 21.7% 的宽度（水平方向被裁）
   因此：
     · 调 background-position 的「垂直」值无效
     · 调「水平」值只能选显示哪一段，且主体位置因图而异，无通用解
   结论：宽幅横图在竖屏下必然损失构图，需由「手机版 Banner 图」解决。
   → 已实施：banners.image_mobile 字段 + 后台「📱 手机版面图片」上传，
     前端输出 --bg-d / --bg-m 变量，窄屏由下方媒体查询切换。
   ------------------------------------------------------------ */
@media (max-width: 768px) {
  /* 未上传手机版图时，var() 第二参数自动回退到横图 —— 与原行为一致 */
  .hero-slide-banner { background-image: var(--bg-m, var(--bg-d)); }
}