/* ============================================================
   style.css - 东莞新定源机电设备有限公司官网样式
   主色调：极光蓝 #0088DD | 冷调米白 #F7FAFD | 装饰青 #00BBFF | 活力橙 #ff6d00
   方案3: 米冷白渐变底 + 极光蓝（高端柔和科技风）
   ============================================================ */

:root {
  /* 色彩 */
  --primary: #0088DD;
  --primary-light: #3399EE;
  --primary-dark: #005599;
  --primary-soft: #E6F2FC;
  --accent: #0088DD;
  --accent-hover: #0066AA;
  --green: #00BBFF;
  --orange: #ff6d00;
  --gray-bg: #F7FAFD;
  --gray-dark: #3A4F65;
  --text: #2C3E50;
  --text-light: #7A8B9E;
  --border: #DEE8F0;
  --white: #ffffff;
  /* 间距 */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  /* 圆角 */
  --radius: 12px;
  --radius-lg: 20px;
  /* 阴影 */
  --shadow: 0 4px 24px rgba(0,136,221,0.08);
  --shadow-lg: 0 8px 48px rgba(0,136,221,0.14);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html {
  font-size: clamp(93.75%, 87% + 0.4vw, 125%); /* 流体排版：≈15px(320px) ~ 20px(2560px+) */
  scroll-behavior: smooth;
}
/* 旧版阶梯式媒体查询已被 clamp() 流体排版替代 */
body {
  font-size: 1rem;
  line-height: 1.6;
}

/* 可访问性：尊重用户动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   动态联系方式侧栏
   ============================================================ */
.contact-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.contact-sidebar-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  text-decoration: none;
}
.contact-sidebar-item:first-child {
  border-radius: 8px 0 0 0;
}
.contact-sidebar-item:last-child {
  border-radius: 0 0 0 8px;
}
.contact-sidebar-item:hover {
  background: var(--primary-dark);
  width: 56px;
}
.contact-sidebar-item .sidebar-tooltip {
  position: absolute;
  right: 56px;
  background: var(--text);
  color: #fff;
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.contact-sidebar-item:hover .sidebar-tooltip {
  opacity: 1;
}
.contact-sidebar-item .sidebar-qr {
  position: absolute;
  right: 56px;
  background: #fff;
  padding: 8px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.contact-sidebar-item:hover .sidebar-qr {
  opacity: 1;
}
.contact-sidebar-item .sidebar-qr img {
  width: 120px;
  height: 120px;
  display: block;
  max-width: none;
}
@media (max-width: 767px) {
  .contact-sidebar { display: none; }
}

/* ============================================================
   企业宣传视频区域
   ============================================================ */
.video-section {
  padding: 4rem 0;
  background: var(--gray-bg);
}
.video-wrapper {
  position: relative;
  width: 94%;
  max-width: none;/*56.25rem;*/
  margin: 0 auto;
  padding-bottom: 42.857%; /* 21:9 */
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.video-wrapper iframe,
.video-wrapper video {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* 滚动进度条 */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #00BBFF);
  z-index: 1001;
  width: 0;
  transition: width 0.1s;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.75;
  background: var(--gray-bg);
}

/* ============================================================
   动画
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-up { opacity: 0; animation: fadeUp 0.8s ease forwards; }
.animate-fade-in { opacity: 0; animation: fadeIn 0.8s ease forwards; }
.animate-slide-left { opacity: 0; animation: slideInLeft 0.8s ease forwards; }
.animate-slide-right { opacity: 0; animation: slideInRight 0.8s ease forwards; }

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   通用组件
   ============================================================ */
.section-title {
  font-size: clamp(1.5rem, 1.5rem + 1vw, 2.25rem);
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  margin-bottom: 0.5rem;
}
.section-sub {
  text-align: center;
  color: var(--text-light);
  font-size: clamp(0.95rem, 0.85rem + 0.3vw, 1.1rem);
  line-height: 1.8;
  margin-bottom: 3rem;
  max-width: 50rem; /* 800px at 16px base */
  margin-left: auto;
  margin-right: auto;
}
.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #00BBFF);
  border-radius: 2px;
  margin: 1rem auto 1.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(0,136,221,0.35), 0 0 0 1px rgba(255,255,255,0.1);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,136,221,0.45), 0 0 0 1px rgba(255,255,255,0.15);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
}
.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.btn-white:hover {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* 专精特新荣誉徽章 */
.brand-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 1.8rem;
  background: linear-gradient(135deg, rgba(255,215,0,0.25), rgba(255,165,0,0.2));
  border: 1.5px solid rgba(255,215,0,0.6);
  border-radius: 30px;
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffd700;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 8px rgba(255,215,0,0.3);
  box-shadow: 0 0 20px rgba(255,215,0,0.12), inset 0 0 12px rgba(255,215,0,0.06);
}
.brand-tag i {
  font-size: 1.45rem;
  filter: drop-shadow(0 0 4px rgba(255,215,0,0.5));
}

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,136,221,0.08);
  transition: all 0.3s;
}
/* Logo透明化 - 白底融合导航栏背景 */
.navbar img.h-16,
.navbar img[class*="h-16"] {
  mix-blend-mode: multiply;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 2px 20px rgba(0,136,221,0.1);
}
.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 500;
  padding: 0.5rem 0.8rem;
  border-bottom: 2px solid transparent;
  transition: all 0.3s;
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ---- 导航栏下拉菜单 ---- */
.nav-wrapper {
  position: relative;
}

/* 二级导航栏 - 居中横向显示（宁德时代风格）*/
.sub-nav-bar {
  width: 100%;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(0,136,221,0.08);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.3s ease;
}
.sub-nav-bar.active {
  max-height: 60px;
  opacity: 1;
}
.sub-nav-bar-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  height: 48px;
}
.sub-nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 400;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.25s;
  white-space: nowrap;
}
.sub-nav-link:hover,
.sub-nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* 移动端隐藏二级导航栏 */
@media (max-width: 767px) {
  .sub-nav-bar {
    display: none;
  }
}

/* 一级导航箭头 */
.nav-dropdown-arrow {
  font-size: 0.6rem;
  margin-left: 4px;
  transition: transform 0.3s;
}
.nav-link.has-sub.open .nav-dropdown-arrow {
  transform: rotate(180deg);
}
.lang-switch {
  padding: 0.4rem 1rem;
  background: rgba(0,136,221,0.08);
  border: 1px solid rgba(0,136,221,0.2);
  color: var(--primary);
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.3s;
}
.lang-switch:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 500;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: #fff; }

/* ---- 移动端菜单二级栏目 ---- */
.mobile-nav-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}
.mobile-nav-parent {
  color: rgba(255,255,255,0.9) !important;
  font-size: 1.2rem !important;
  font-weight: 500;
}
.mobile-nav-parent.active {
  color: #fff !important;
}
.mobile-nav-toggle {
  background: rgba(255,255,255,0.15);
  border: none;
  color: rgba(255,255,255,0.8);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  transition: transform 0.3s;
}
.mobile-nav-toggle.open {
  transform: rotate(180deg);
}
.mobile-nav-children {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.2);
  border-radius: 12px;
  padding: 8px 0;
  min-width: 140px;
}
.mobile-nav-child {
  display: block;
  padding: 8px 20px !important;
  font-size: 0.9rem !important;
  color: rgba(255,255,255,0.8) !important;
  white-space: nowrap;
}
.mobile-nav-child:hover {
  color: #fff !important;
}

/* ============================================================
   Hero Banner
   ============================================================ */
.hero-banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary);
  background-image:
    linear-gradient(135deg, rgba(15,45,77,0.78) 0%, rgba(22,58,95,0.68) 50%, rgba(15,45,77,0.82) 100%),
    url('../images/新能源CCS集成母排设备_回形超声波-AVI-AOI-冷热压生标准产线.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(0,102,204,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(0,187,255,0.08) 0%, transparent 60%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 56.25rem; /* 900px at 16px base */
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.85);
  margin-bottom: 3.5rem;
}

/* ============================================================
   统计数字区
   ============================================================ */
.stats-bar {
  background: linear-gradient(135deg, #e8650a 0%, #f59e0b 60%, #f97316 100%);
  padding: 2.5rem 0;
  position: relative;
  overflow: hidden;
}
.stats-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 50%, rgba(255,200,0,0.12) 0%, transparent 50%);
}
.stat-item {
  text-align: center;
  padding: 1rem;
}
.stat-num {
  font-size: clamp(2rem, 1.5rem + 1.5vw, 3.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  display: block;
  text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.stat-label {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 0.4rem;
  text-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

/* ============================================================
   产品线卡片
   ============================================================ */
.product-line-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
  cursor: pointer;
}
.product-line-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.product-line-card .card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s;
}
.product-line-card:hover .card-img {
  transform: scale(1.05);
}
.product-line-card .card-body {
  padding: 1.5rem;
}
.product-line-card .card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.product-line-card .card-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.product-line-card .card-desc {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.product-line-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: gap 0.2s;
}
.product-line-card .card-link:hover { gap: 0.8rem; }

/* 产品图片卡片（产品中心页面） */
.product-img-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
}
.product-img-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.product-img-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s;
}
.product-img-card:hover img {
  transform: scale(1.06);
}
.product-img-card .p-card-body {
  padding: 1.2rem;
}
.product-img-card .p-card-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.4rem;
}
.product-img-card .p-card-desc {
  color: var(--text-light);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 0.8rem;
}
.product-img-card .p-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: gap 0.2s;
}
.product-img-card .p-card-btn:hover { gap: 0.6rem; }

/* ============================================================
   四个极致
   ============================================================ */
.four-extremes {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #00AAEE 100%);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}
.four-extremes::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 25% 30%, rgba(255,255,255,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 75% 70%, rgba(0,187,255,0.1) 0%, transparent 50%);
}
.extreme-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all 0.35s;
  backdrop-filter: blur(8px);
}
.extreme-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-6px);
  border-color: rgba(0,187,255,0.4);
}
.extreme-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00BBFF, var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.8rem;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,187,255,0.3);
}
.extreme-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}
.extreme-desc {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ============================================================
   品牌释义
   ============================================================ */
.brand-story-section {
  background: var(--gray-bg);
  padding: 5rem 0;
}
.brand-char-card {
  background: #fff;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  transition: all 0.35s;
  display: flex;
  flex-direction: column;
}
.brand-char-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,80,160,0.14);
}
.brand-char {
  font-size: clamp(3.5rem, 4rem + 1.5vw, 5.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1;
  text-align: center;
  padding: 2.5rem 1rem 2rem;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  position: relative;
}
.brand-char::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 1.2rem solid transparent;
  border-right: 1.2rem solid transparent;
  border-top: 1rem solid var(--primary-light);
}
.brand-meaning {
  font-size: clamp(1.1rem, 1.1rem + 0.4vw, 1.5rem);
  font-weight: 800;
  color: var(--primary);
  padding: 1.5rem 1.5rem 0.5rem;
}
.brand-desc-text {
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.8;
  padding: 0 1.5rem 1.8rem;
  flex: 1;
}

/* ============================================================
   客户 Logo 墙
   ============================================================ */
.clients-section {
  background: #fff;
  padding: 4rem 0;
}
.client-logo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 0.75rem;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s;
  cursor: default;
}
.client-logo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.client-logo-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  line-height: 1;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.client-logo-img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: contain;
  padding: 4px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  background: #fff;
}
.client-logo-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ============================================================
   荣誉资质
   ============================================================ */
.honor-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  border-bottom: 3px solid transparent;
}
.honor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--accent);
}
.honor-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: #fff;
  font-size: 1.3rem;
}
.honor-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.4;
}

/* ============================================================
   时间轴
   ============================================================ */
.timeline {
  position: relative;
  padding: 2rem 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), #00BBFF);
  transform: translateX(-50%);
}
.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 3rem;
  position: relative;
}
.timeline-item:nth-child(odd) { flex-direction: row; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-content {
  flex: 1;
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  max-width: 45%;
}
.timeline-year {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 80px;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
.timeline-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--accent);
  flex-shrink: 0;
  position: relative;
  z-index: 3;
}
.timeline-year-badge {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.3rem 0.6rem;
  border-radius: 20px;
  white-space: nowrap;
  line-height: 1.2;
}
.timeline-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.timeline-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* 企业介绍 */
.intro-highlight {
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.6rem);
  font-weight: 700;
  color: #fff;
  line-height: 2;
  padding: 2.5rem 3rem;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  border-radius: 16px;
  margin: 2rem 0 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,80,160,0.18);
}
.intro-highlight::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.intro-highlight::after {
  content: '\201C';
  position: absolute;
  top: 0.2rem;
  left: 1.5rem;
  font-size: 5rem;
  font-family: Georgia, serif;
  color: rgba(255,255,255,0.12);
  line-height: 1;
  pointer-events: none;
}
@media (max-width: 768px) {
  .intro-highlight { padding: 1.8rem 1.5rem; }
}
.intro-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: stretch;
  margin-bottom: 0;
}
.intro-img {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}
.intro-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  max-width: none;
}
.intro-text p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 1rem;
  text-indent: 2em;
}
.intro-text p:last-child {
  margin-bottom: 0;
}
@media (max-width: 768px) {
  .intro-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .intro-img img { max-height: 280px; }
}

/* 企业介绍 - 数据亮点条 */
.intro-highlights {
  position: relative;
  margin-top: 2.5rem;
  border-radius: 16px;
  overflow: hidden;
  padding: 2.5rem 2rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  box-shadow: 0 4px 24px rgba(0,80,160,0.12);
}
.intro-highlights-bg {
  position: absolute;
  inset: 0;
  background: transparent;
}
.intro-highlights-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/热压成型设备_四柱式伺服热压机.jpg') center/cover no-repeat;
  opacity: 0.06;
  filter: grayscale(100%) brightness(1.5);
}
.intro-highlights-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 15% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 50%, rgba(255,255,255,0.06) 0%, transparent 50%);
}
.intro-highlights-inner {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.intro-highlight-item {
  text-align: center;
  flex: 1 1 120px;
  min-width: 100px;
}
.intro-highlight-num {
  display: block;
  font-size: clamp(1.75rem, 1.5rem + 1.5vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  line-height: 1;
  text-shadow: 0 2px 12px rgba(0,0,0,0.15);
  letter-spacing: -0.02em;
}
.intro-highlight-unit {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-left: 2px;
}
.intro-highlight-label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.05em;
}
@media (max-width: 768px) {
  .intro-highlights { padding: 2rem 1rem; }
  .intro-highlight-inner { gap: 1rem; }
  .intro-highlight-item { flex: 1 1 30%; }
}
@media (max-width: 480px) {
  .intro-highlight-label { font-size: 0.75rem; }
}

/* 发展历程 - 可拖拽横向滚动时间线 */
.timeline-wrapper {
  position: relative;
  padding: 2rem 0;
}
.timeline-track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-behavior: smooth;
  cursor: grab;
  padding: 1rem 0 1rem;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.timeline-track::-webkit-scrollbar {
  display: none;
}
.timeline-track.grabbing {
  cursor: grabbing;
  scroll-behavior: auto;
}
.timeline-track::before {
  display: none;
}

/* 时间轴主线（圆点已移除，主线隐藏） */
.timeline-line {
  display: none;
}

/* 时间节点卡片 */
.tl-card {
  flex: 0 0 280px;
  position: relative;
  padding: 0 1rem;
  user-select: none;
}
.tl-card-inner {
  background: #fff;
  border-radius: 16px;
  padding: 2rem 1.5rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transition: all 0.35s;
  height: 100%;
  position: relative;
  z-index: 1;
}
.tl-card:hover .tl-card-inner {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.12);
}

/* 年份圆点 */
.tl-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid #fff;
  box-shadow: 0 0 0 3px var(--accent);
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

/* 连接线 */
.tl-connector {
  position: absolute;
  bottom: -12px;
  left: 50%;
  width: 2px;
  height: 20px;
  background: var(--accent);
  transform: translateX(-50%);
  opacity: 0.4;
}

/* 卡片内容 */
.tl-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), #00BBFF);
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.tl-year-badge {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.tl-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.6rem;
}
.tl-card-desc {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* 导航箭头 */
.timeline-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s;
  color: var(--primary);
  font-size: 1rem;
}
.timeline-nav:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 20px rgba(0,187,255,0.3);
}
.timeline-nav-prev {
  left: -22px;
}
.timeline-nav-next {
  right: -22px;
}

/* 拖拽提示 */
.timeline-hint {
  text-align: center;
  margin-top: 2.5rem;
  font-size: 0.8rem;
  color: var(--text-light);
  opacity: 0.6;
}
.timeline-hint i {
  margin-right: 0.4rem;
}

@media (max-width: 768px) {
  .tl-card {
    flex: 0 0 260px;
  }
  .timeline-nav {
    display: none;
  }
  .tl-year-badge {
    font-size: 1.15rem;
  }
}

/* 愿景·使命·价值观 - 沉浸式卡片 */
.vision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.vision-card {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #fff;
  transition: transform 0.35s, box-shadow 0.35s;
}
.vision-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}
.vision-card-bg {
  display: none;
}
.vision-card > * {
  position: relative;
  z-index: 1;
}
.vision-card-icon {
  display: none;
}
.vision-card-header {
  width: 100%;
  font-size: clamp(1.5rem, 1.5rem + 0.8vw, 2.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1;
  text-align: center;
  padding: 2.25rem 1rem 2rem;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  position: relative;
}
.vision-card-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 1.2rem solid transparent;
  border-right: 1.2rem solid transparent;
  border-top: 1rem solid var(--primary-light);
}
.vision-card p {
  font-size: 1.15rem;
  line-height: 1.9;
  color: var(--text-light);
  padding: 1.8rem 1.5rem 2rem;
  flex: 1;
}
.vision-philosophy {
  margin-top: 2rem;
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  background: #fff;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
.vision-philosophy h4 {
  font-size: 2.0rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
.vision-philosophy p {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 37.5rem;
  margin: 0 auto;
  line-height: 1.8;
}
.vision-philosophy .slogan {
  margin-top: 1rem;
  font-style: italic;
  font-weight: 700;
  font-size: 1.2rem;
}

@media (max-width: 991px) {
  .vision-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   解决方案卡片
   ============================================================ */
.solution-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.35s;
}
.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.solution-card .sol-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.solution-card .sol-body {
  padding: 1.5rem;
}
.solution-card .sol-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.solution-card .sol-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
.solution-card .sol-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* 工艺流程步骤 */
.process-flow {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding: 1rem 0;
}
.process-step {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.process-step-inner {
  background: var(--gray-bg);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  transition: all 0.3s;
}
.process-step-inner:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.process-arrow {
  color: var(--accent);
  font-size: 1.2rem;
  padding: 0 0.5rem;
  flex-shrink: 0;
}

/* ============================================================
   案例页面
   ============================================================ */

/* 行业筛选栏 */
.cases-filter-bar {
  padding: 1.25rem 0;
  background: var(--gray-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}
.cases-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
}
.cases-filter-btn:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}
.cases-filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.cases-filter-sep {
  display: inline-block;
  width: 1px;
  height: 24px;
  background: var(--border);
  vertical-align: middle;
  margin: 0 0.25rem;
  align-self: center;
}

/* 行业标签 */
.case-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
}

/* 案例卡片 */
.cases-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  transition: all 0.3s;
}
.cases-card:hover {
  box-shadow: var(--shadow-lg);
}
.cases-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--gray-bg);
}
.cases-card-client {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}
.cases-card-client-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.55rem;
  font-weight: 800;
  flex-shrink: 0;
}
.cases-card-client-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: contain;
  padding: 2px;
  flex-shrink: 0;
  background: #fff;
}
.cases-card-body {
  display: flex;
  gap: 0;
}
.cases-card-img {
  flex: 0 0 42%;
  min-height: 260px;
  overflow: hidden;
  cursor: pointer;
}
.cases-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.cases-card:hover .cases-card-img img {
  transform: scale(1.04);
}
.cases-card-info {
  flex: 1;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.cases-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 1rem;
}
.cases-card-highlights {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.cases-card-hl {
  text-align: center;
}
.cases-card-hl-val {
  font-size: 1rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.cases-card-hl-label {
  font-size: 0.7rem;
  color: var(--text-light);
}
.cases-card-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}
.cases-card-date {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}
.cases-card-actions {
  display: flex;
  gap: 0.75rem;
}
.cases-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
}
.cases-card-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.cases-card-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
}
.cases-card-btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* 响应式 */
@media (max-width: 768px) {
  .cases-card-body { flex-direction: column; }
  .cases-card-img { flex: none; min-height: 200px; }
  .cases-card-highlights { gap: 1rem; }
  .cases-card-actions { flex-direction: column; }
  .cases-card-title { font-size: 1rem; }
}

/* ============================================================
   新闻中心Banner（带背景图）
   ============================================================ */
.news-banner {
  position: relative;
  padding: 8rem 0 4rem;
  background-image: url('../images/bg-home-1.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
  text-align: center;
  color: #fff;
}
.news-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,45,77,0.82) 0%, rgba(22,58,95,0.72) 50%, rgba(15,45,77,0.88) 100%);
}
.news-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(0,102,204,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(0,187,255,0.08) 0%, transparent 60%);
  z-index: 1;
}
.news-banner-stat {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  backdrop-filter: blur(8px);
}
.news-banner-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: #33EEFF;
  line-height: 1;
}
.news-banner-stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
  margin-top: 0.3rem;
}

/* ============================================================
   重大合作与大事记
   ============================================================ */
.news-milestone-section {
  background: #fff;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}
.news-milestone-card {
  background: var(--gray-bg);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.35s;
  cursor: pointer;
}
.news-milestone-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.news-milestone-img {
  width: 100%;
  height: 140px;
  overflow: hidden;
}
.news-milestone-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.news-milestone-card:hover .news-milestone-img img {
  transform: scale(1.06);
}
.news-milestone-body {
  padding: 1rem;
}
.news-milestone-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  background: rgba(0,136,221,0.1);
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.news-milestone-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
}
.news-milestone-date {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 0.3rem;
}

@media (max-width: 768px) {
  .page-banner { background-attachment: scroll; }
  .news-banner { background-attachment: scroll; }
  .news-banner-stat { padding: 0.5rem 1rem; }
  .news-banner-stat-num { font-size: 1.2rem; }
  .news-milestone-img { height: 110px; }
}

/* ============================================================
   头条新闻
   ============================================================ */
.news-featured {
  display: flex;
  flex-direction: row;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all 0.35s;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
}
.news-featured:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}
.news-featured-img {
  flex: 0 0 45%;
  min-height: 280px;
  overflow: hidden;
}
.news-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.news-featured:hover .news-featured-img img {
  transform: scale(1.05);
}
.news-featured-body {
  flex: 1;
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-featured-body .news-cat {
  margin-bottom: 1rem;
}
.news-featured-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.4;
  margin-bottom: 1rem;
}
.news-featured-summary {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .news-featured {
    flex-direction: column;
  }
  .news-featured-img {
    flex: none;
    min-height: 200px;
    max-height: 220px;
  }
  .news-featured-body {
    padding: 1.5rem;
  }
  .news-featured-title {
    font-size: 1.2rem;
  }
}

/* ============================================================
   新闻卡片
   ============================================================ */
.news-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.35s;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.news-card-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
}
.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.news-card:hover .news-card-img img {
  transform: scale(1.08);
}
.news-card .news-body {
  padding: 1.25rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-card .news-cat {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}
/* 新闻分类标签（基础样式） */
.news-cat {
  display: inline-block;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  letter-spacing: 0.05em;
}
.news-cat-company { background: rgba(0,136,221,0.1); color: var(--primary); }
.news-cat-industry { background: rgba(0,136,221,0.08); color: var(--accent); }
.news-cat-tech { background: rgba(255,109,0,0.1); color: var(--orange); }
.news-cat-expo { background: rgba(0,187,255,0.1); color: #0099BB; }

/* 新闻筛选按钮 */
.news-filter-btn {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.25s;
}
.news-filter-btn:hover {
  color: var(--primary);
  border-color: var(--primary-light);
  background: rgba(0,136,221,0.04);
}
.news-filter-btn.active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}
.news-card .news-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.6rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .news-summary {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .news-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}
.news-date {
  font-size: 0.78rem;
  color: var(--text-light);
}
.news-read-more {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap 0.2s;
}
.news-read-more:hover { gap: 0.6rem; }

/* ---- 新闻列表样式（纯文字） ---- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.news-list-item {
  border-bottom: 1px solid rgba(0,0,0,0.07);
  transition: background 0.2s;
}
.news-list-item:first-child {
  border-top: 1px solid rgba(0,0,0,0.07);
}
.news-list-item:hover {
  background: rgba(var(--accent-rgb, 22,163,74), 0.03);
}
.news-list-content {
  padding: 1.5rem 0.5rem;
}
.news-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.news-list-date {
  font-size: 0.98rem;
  color: var(--text-light, #888);
  white-space: nowrap;
}
.news-list-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.6;
  margin-bottom: 0.4rem;
}
.news-list-title:hover {
  color: var(--accent);
}
.news-list-summary {
  font-size: 1.0rem;
  color: var(--text-light, #666);
  line-height: 1.7;
  margin-bottom: 0.8rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: gap 0.2s;
}
.news-list-more:hover { gap: 0.7rem; }

/* ============================================================
   联系页面
   ============================================================ */
.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  transition: border-color 0.3s;
  outline: none;
  background: var(--gray-bg);
}
.form-control:focus {
  border-color: var(--accent);
  background: #fff;
}
.form-control::placeholder { color: #9ca3af; }

.service-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  background: var(--gray-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  transition: all 0.3s;
}
.service-badge:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.service-badge i { color: var(--primary); font-size: 1.1rem; }
.service-badge:hover i { color: rgba(255,255,255,0.9); }

/* ============================================================
   CTA 区块
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #00AAEE 100%);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(0,187,255,0.12) 0%, transparent 50%);
  opacity: 1;
}
.cta-content { position: relative; z-index: 2; }
.cta-title {
  font-size: clamp(1.5rem, 1.5rem + 0.8vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
}
.cta-sub {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  margin-bottom: 2rem;
}

/* ============================================================
   内页 Banner
   ============================================================ */
.page-banner {
  padding: 8rem 0 4rem;
  background-color: var(--primary);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  overflow: hidden;
  text-align: center;
  color: #fff;
}
.page-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,45,77,0.82) 0%, rgba(22,58,95,0.72) 50%, rgba(15,45,77,0.88) 100%);
  z-index: 1;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(0,102,204,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(0,187,255,0.08) 0%, transparent 60%);
  z-index: 2;
}
.page-banner-content { position: relative; z-index: 3; }
.page-banner h1 {
  font-size: clamp(1.5rem, 1.25rem + 1vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}
.page-banner p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  max-width: 37.5rem;
  margin: 0 auto;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-top: 1rem;
  justify-content: center;
}
.breadcrumb a { color: rgba(255,255,255,0.7); text-decoration: none; }
.breadcrumb a:hover { color: #fff; }

/* ============================================================
   招聘职位卡片
   ============================================================ */
.position-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--accent);
  transition: all 0.3s;
}
.position-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-left-color: var(--accent);
}
.position-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.position-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.position-req {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* ============================================================
   福利卡片
   ============================================================ */
.welfare-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
  transition: all 0.3s;
}
.welfare-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.welfare-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: #fff;
  font-size: 1.5rem;
}

/* ============================================================
   售后服务承诺卡片
   ============================================================ */
.service-promise-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.35s;
  border-top: 4px solid var(--accent);
}
.service-promise-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-promise-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: #fff;
  font-size: 1.5rem;
}
.service-promise-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.service-promise-num small {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-light);
}
.service-promise-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
}
.service-promise-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ============================================================
   首页售后承诺条
   ============================================================ */
.hp-promise {
  background: #fff;
}
.promise-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 2rem;
}
.promise-item {
  flex: 1;
  text-align: center;
  padding: 1rem 0.75rem;
}
.promise-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: #fff;
  font-size: 1.25rem;
  transition: transform 0.3s;
}
.promise-item:hover .promise-icon {
  transform: scale(1.1) rotate(-5deg);
}
.promise-num {
  font-size: clamp(2rem, 1.5rem + 1.5vw, 3rem);
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.promise-num small {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
  margin-left: 2px;
}
.promise-num-text {
  font-size: clamp(1.1rem, 0.9rem + 0.6vw, 1.5rem);
}
.promise-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}
.promise-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .promise-strip {
    flex-wrap: wrap;
    gap: 1rem;
  }
  .promise-item {
    flex: 1 1 45%;
    padding: 0.75rem;
  }
  .promise-divider {
    display: none;
  }
}
@media (max-width: 480px) {
  .promise-item {
    flex: 1 1 100%;
  }
}

/* ============================================================
   Tab 导航（产品中心）
   ============================================================ */
.product-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  justify-content: center;
}
.product-filter-bar {
  padding: 1.5rem 0;
  background: var(--gray-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}
.product-filter-bar-bottom {
  padding: 1.5rem 0 2rem;
  background: var(--gray-bg);
  border-top: 1px solid var(--border);
}
.product-tab-btn {
  padding: 0.65rem 1.6rem;
  border: 2px solid var(--border);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
  background: #fff;
  cursor: pointer;
  transition: all 0.3s;
}
.product-tab-btn:hover,
.product-tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.product-tab-panel { display: none; }
.product-tab-panel.active { display: block; }

/* ============================================================
   产品行卡片（左图右文布局）
   ============================================================ */
.product-row-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.product-row-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s;
}
.product-row-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.product-row-body {
  display: flex;
  gap: 0;
}
.product-row-img {
  flex: 0 0 38%;
  min-height: 220px;
  overflow: hidden;
}
.product-row-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.product-row-card:hover .product-row-img img {
  transform: scale(1.04);
}
.product-row-info {
  flex: 1;
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.product-row-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}
.product-row-desc {
  font-size: 1.18rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}
.product-row-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.product-row-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
  width: fit-content;
}
.product-row-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* 产品行卡片响应式 */
@media (max-width: 768px) {
  .product-row-body { flex-direction: column; }
  .product-row-img { flex: none; min-height: 200px; }
  .product-row-info { padding: 1.25rem; }
  .product-row-name { font-size: 1rem; }
}

/* ============================================================
   页脚
   ============================================================ */
footer {
  background: linear-gradient(135deg, var(--gray-dark) 0%, #2C4050 100%);
  color: rgba(255,255,255,0.75);
  padding: 4rem 0 0;
}
.footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-desc {
  font-size: 0.975rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  color: rgba(255,255,255,0.6);
}
footer h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.2rem;
  letter-spacing: 0.03em;
}
footer a {
  display: block;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
  transition: color 0.2s;
  line-height: 1.5;
}
footer a:hover { color: #00BBFF; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.5rem 0;
  margin-top: 3rem;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}
.footer-slogan {
  color: #00BBFF;
  font-style: italic;
  font-size: 0.95rem;
  margin-top: 0.5rem;
}
/* 页脚链接列（宁德时代风格） */
.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
@media (max-width: 767px) {
  .footer-links-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}
@media (max-width: 480px) {
  .footer-links-grid {
    grid-template-columns: 1fr;
  }
}
.footer-col-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 0.6rem;
}
.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.footer-col a {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0.55rem;
  transition: all 0.2s;
}
.footer-col a:hover {
  color: #00BBFF;
  padding-left: 4px;
}
.footer-brand-section {
  padding-right: 2rem;
}
@media (max-width: 767px) {
  .footer-brand-section {
    padding-right: 0;
    margin-bottom: 2rem;
  }
}
.footer-social {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.5rem;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: all 0.3s;
  margin-bottom: 0;
}
.footer-social a:hover {
  background: var(--accent);
  color: #fff;
  padding-left: 0;
}

/* ============================================================
   轮播图 Carousel
   ============================================================ */
.hero-carousel {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}
.carousel-track {
  display: flex;
  transition: transform 0.7s cubic-bezier(0.25,0.8,0.25,1);
  will-change: transform;
}
.carousel-slide {
  min-width: 100%;
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  text-align: center;
  color: #fff;
}
.carousel-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,85,153,0.75) 0%, rgba(0,136,221,0.55) 50%, rgba(0,85,153,0.80) 100%);
}
.carousel-slide .hero-content {
  position: relative;
  z-index: 2;
  max-width: 56.25rem;
  padding: 0 1.5rem;
}
.carousel-indicators {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}
.carousel-dot {
  width: 40px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  padding: 0;
}
.carousel-dot.active {
  background: #00BBFF;
  width: 60px;
}
.carousel-dot:hover {
  background: rgba(255,255,255,0.7);
}
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}
.carousel-arrow:hover {
  background: rgba(255,255,255,0.25);
}
.carousel-arrow-prev { left: 1.5rem; }
.carousel-arrow-next { right: 1.5rem; }

/* ============================================================
   工艺标签 Process Tags
   ============================================================ */
.process-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}
.process-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  font-size: 1.12rem;
  font-weight: 600;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid rgba(0,136,221,0.2);
  transition: all 0.2s;
  cursor: pointer;
}
.process-tag:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.process-tag i { font-size: 0.65rem; }

/* ============================================================
   主流产品卡片 Main Product Card
   ============================================================ */
.main-product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
}
.main-product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.main-product-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.5s;
}
.main-product-card:hover img {
  transform: scale(1.05);
}
.main-product-card .mp-body {
  padding: 1.5rem;
}
.main-product-card .mp-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.main-product-card .mp-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.main-product-card .mp-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: gap 0.2s;
}
.main-product-card .mp-link:hover { gap: 0.8rem; }

/* ============================================================
   证书卡片 Cert Card
   ============================================================ */
.cert-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.35s;
  cursor: pointer;
}
.cert-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.cert-card img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  background: var(--gray-bg);
  padding: 8px;
}
.cert-card .cert-body {
  padding: 1rem;
  text-align: center;
}
.cert-card .cert-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: #fff;
  font-size: 1.3rem;
}
.cert-card .cert-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.25rem;
}
.cert-card .cert-year {
  font-size: 0.75rem;
  color: var(--text-light);
}
.cert-card .cert-view {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}
.cert-card .cert-view:hover { gap: 0.6rem; }

/* ============================================================
   灯箱 Lightbox
   ============================================================ */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}
.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  position: relative;
}
.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius);
  box-shadow: 0 10px 60px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.lightbox-close:hover { background: rgba(255,255,255,0.3); }
.lightbox-info {
  text-align: center;
  margin-top: 1rem;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
}

/* ============================================================
   商城产品卡片
   ============================================================ */
.sp-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
}
.sp-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.sp-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
}
.sp-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.sp-card:hover .sp-img img {
  transform: scale(1.05);
}
.sp-body {
  padding: 1.2rem;
}
.sp-stock-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(0,187,255,0.1);
  color: #00BBCC;
  margin-bottom: 0.5rem;
}
.sp-low-stock {
  background: rgba(255,109,0,0.1);
  color: var(--orange);
}
.sp-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.4rem;
}
.sp-spec {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0.6rem;
  line-height: 1.5;
}
.sp-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.sp-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--orange);
}
.sp-delivery {
  font-size: 0.75rem;
  color: var(--text-light);
}
.sp-actions {
  display: flex;
  gap: 0.5rem;
}
.sp-buy-btn {
  flex: 1;
  padding: 0.5rem 0.75rem !important;
  border-radius: 8px;
}
.sp-now-btn {
  flex: 1;
  padding: 0.5rem 0.75rem !important;
  border-radius: 8px;
  border: 1.5px solid var(--accent) !important;
}

/* ============================================================
   1688引流横幅
   ============================================================ */
.store-1688-banner {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.store-1688-link {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, rgba(255,106,0,0.06) 0%, rgba(255,140,0,0.04) 100%);
  border: 2px solid rgba(255,106,0,0.2);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.3s;
}
.store-1688-link:hover {
  border-color: #ff6a00;
  box-shadow: 0 4px 20px rgba(255,106,0,0.15);
  transform: translateY(-2px);
}
.store-1688-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ff6a00, #ff8c00);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.store-1688-info {
  flex: 1;
}
.store-1688-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #e05500;
  margin-bottom: 0.2rem;
}
.store-1688-desc {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.5;
}
.store-1688-arrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #ff6a00;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
  white-space: nowrap;
}
.store-1688-arrow i {
  font-size: 0.8rem;
}

@media (max-width: 640px) {
  .store-1688-link { flex-wrap: wrap; }
  .store-1688-arrow { width: 100%; justify-content: flex-end; }
}

/* ============================================================
   商城产品按钮
   ============================================================ */
.sp-btn-detail,
.sp-btn-buy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
  flex: 1;
  text-align: center;
}
.sp-btn-detail {
  background: var(--gray-bg);
  color: var(--primary);
  border: 1.5px solid var(--border);
}
.sp-btn-detail:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}
.sp-btn-buy {
  background: linear-gradient(135deg, #ff6a00, #ff8c00);
  color: #fff;
  border: 1.5px solid transparent;
}
.sp-btn-buy:hover {
  background: linear-gradient(135deg, #e05500, #ff7700);
  box-shadow: 0 4px 12px rgba(255,106,0,0.3);
  transform: translateY(-1px);
}
.sp-price-unit {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-light);
}
.sp-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  background: rgba(0,136,221,0.9);
  color: #fff;
}
.sp-img {
  position: relative;
}

/* 商城分类筛选按钮 */
.store-cat-btn {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.25s;
}
.store-cat-btn:hover {
  color: var(--primary);
  border-color: var(--primary-light);
  background: rgba(0,136,221,0.04);
}
.store-cat-btn.active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

/* 响应式补充 */
@media (max-width: 480px) {
  .sp-actions { flex-direction: column; }
  .store-1688-icon { width: 44px; height: 44px; font-size: 1.2rem; }
}

/* ============================================================
   解决方案详情展开 Solution Detail
   ============================================================ */
.solution-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.16,1,0.3,1);
}
.solution-detail.open {
  max-height: 1200px;
}
.solution-detail-inner {
  padding: 1.5rem;
  background: var(--gray-bg);
  border-top: 2px solid var(--accent);
}
.solution-video {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 3rem;
  cursor: pointer;
  transition: color 0.3s;
}
.solution-video:hover {
  color: rgba(255,255,255,0.8);
}

/* ============================================================
   通用 Section 间距
   ============================================================ */
.section-pad { padding: 5rem 0; }
.section-pad-sm { padding: 3rem 0; }

/* ============================================================
   首页产品卡片（4列紧凑版）
   ============================================================ */
.hp-product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.35s;
}
.hp-product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.hp-product-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
}
.hp-product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.hp-product-card:hover .hp-product-img img {
  transform: scale(1.06);
}
.hp-product-body {
  padding: 1rem;
}
.hp-product-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.3rem;
  line-height: 1.4;
}
.hp-product-desc {
  font-size: 0.75rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 0.6rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hp-product-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.8rem;
  text-decoration: none;
  transition: gap 0.2s;
}
.hp-product-link:hover { gap: 0.6rem; }

/* ============================================================
   首页主流产品 - CATL风格交互式切换版块
   ============================================================ */
.hp-showcase {
  padding: 5rem 0;
  background: var(--gray-bg);
  color: var(--text);
}
.hp-showcase .section-title { color: var(--primary); }
.hp-showcase .section-sub { color: var(--text-light); }
.hp-showcase .section-divider { background: var(--accent); }
.hp-showcase-wrap {
  display: flex;
  gap: 3rem;
  align-items: stretch;
  margin-top: 2.5rem;
  min-height: 460px;
}

/* 左侧详情面板 */
.hp-showcase-detail {
  flex: 0 0 340px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem 0;
}
.hp-showcase-detail-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 1rem;
}
.hp-showcase-detail-divider {
  width: 50px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 1.25rem;
}
.hp-showcase-detail-desc {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 1.75rem;
}

/* 图片舞台区 */
.hp-showcase-stage {
  flex: 1;
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  min-height: 420px;
  background: #e8ecf0;
}
.hp-showcase-img-wrap {
  position: absolute;
  inset: 0;
}
.hp-showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease, transform 0.6s ease;
}

/* 环形圆圈交互热区 */
.hp-showcase-dot {
  position: absolute;
  z-index: 10;
  transform: translate(-50%, -50%);
  cursor: pointer;
  width: 48px;
  height: 48px;
}
.hp-showcase-dot-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.7);
  transition: all 0.35s ease;
}
.hp-showcase-dot.active .hp-showcase-dot-ring,
.hp-showcase-dot:hover .hp-showcase-dot-ring {
  border-color: var(--accent);
  background: rgba(0,170,255,0.25);
  box-shadow: 0 0 0 6px rgba(0,170,255,0.12);
}
/* 脉冲动画圈 */
.hp-showcase-dot-pulse {
  animation: dotPulse 2.5s ease-in-out infinite;
  opacity: 0;
}
.hp-showcase-dot.active .hp-showcase-dot-pulse,
.hp-showcase-dot:hover .hp-showcase-dot-pulse {
  opacity: 1;
}
@keyframes dotPulse {
  0% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.8); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}
/* 圆圈内小点 */
.hp-showcase-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
  transition: all 0.3s;
}
.hp-showcase-dot.active::after,
.hp-showcase-dot:hover::after {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(0,170,255,0.6);
}
/* 产品名称标签 */
.hp-showcase-dot-label {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
}
.hp-showcase-dot.active .hp-showcase-dot-label,
.hp-showcase-dot:hover .hp-showcase-dot-label {
  opacity: 1;
  bottom: -34px;
  color: #fff;
}

/* CTA按钮 */
.hp-showcase-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
}
.hp-showcase-link:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  gap: 0.8rem;
}

/* 响应式 */
@media (max-width: 900px) {
  .hp-showcase-wrap { flex-direction: column; gap: 1.5rem; min-height: auto; }
  .hp-showcase-detail { flex: none; padding: 0; order: 2; }
  .hp-showcase-detail-title { font-size: 1.3rem; }
  .hp-showcase-stage { min-height: 320px; order: 1; border-radius: 12px; }
  .hp-showcase-dot { width: 40px; height: 40px; }
  .hp-showcase-dot-label { font-size: 0.7rem; }
}
@media (max-width: 480px) {
  .hp-showcase-stage { min-height: 240px; }
  .hp-showcase-dot { width: 34px; height: 34px; }
  .hp-showcase-dot-label { display: none; }
  .hp-showcase-detail-desc { font-size: 0.85rem; }
}

/* ============================================================
   首页产品线横向导航条
   ============================================================ */
.hp-line-strip {
  display: flex;
  gap: 0;
  margin-top: 2rem;
  justify-content: center;
}
.hp-line-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.25rem 1rem;
  text-decoration: none;
  transition: all 0.3s;
  position: relative;
}
.hp-line-card:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 25%;
  height: 50%;
  width: 1px;
  background: var(--border);
}
.hp-line-card:hover {
  background: rgba(0,0,0,0.02);
}
.hp-line-card:hover .hp-line-name {
  color: var(--accent);
}
.hp-line-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.35rem;
  transition: color 0.3s;
}
.hp-line-desc {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.5;
  max-width: 180px;
}
@media (max-width: 768px) {
  .hp-line-strip { flex-wrap: wrap; }
  .hp-line-card { flex: 1 1 45%; padding: 1rem 0.75rem; }
  .hp-line-card:not(:last-child)::after { display: none; }
  .hp-line-card { border-bottom: 1px solid var(--border); }
  .hp-line-card:nth-last-child(2):nth-child(odd) { border-bottom: none; }
  .hp-line-card:last-child { border-bottom: none; }
}
@media (max-width: 480px) {
  .hp-line-card { flex: 1 1 100%; }
  .hp-line-desc { max-width: none; }
}

/* ============================================================
   解决方案页面
   ============================================================ */

/* 客户应用滚动条 */
.sol-clients-bar {
  padding: 1.5rem 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.sol-clients-scroll {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.sol-clients-track {
  display: flex;
  gap: 1.5rem;
  animation: scrollClients 30s linear infinite;
  width: max-content;
}
@keyframes scrollClients {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.sol-clients-track:hover {
  animation-play-state: paused;
}
.sol-client-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 1.8rem;
  border-radius: 12px;
  background: #fff;
  white-space: nowrap;
  transition: all 0.3s;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  min-width: 130px;
  min-height: 100px;
}
.sol-client-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.sol-client-chip-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.6rem;
  font-weight: 800;
  flex-shrink: 0;
}
.sol-client-chip-logo {
  width: 100px;
  height: 70px;
  border-radius: 8px;
  object-fit: contain;
  flex-shrink: 0;
}

/* 行业分类导航 */
.sol-filter-bar {
  padding: 1.5rem 0;
  background: var(--gray-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}
.sol-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.4rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
}
.sol-filter-btn:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}
.sol-filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.sol-filter-bar-bottom {
  padding: 1.5rem 0 2rem;
  background: var(--gray-bg);
  border-top: 1px solid var(--border);
}

/* 方案案例卡片 */
.sol-case-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  transition: all 0.3s;
}
.sol-case-card:hover {
  box-shadow: var(--shadow-lg);
}
.sol-case-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--gray-bg);
}
.sol-case-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
}
.sol-case-client {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}
.sol-case-client-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.55rem;
  font-weight: 800;
  flex-shrink: 0;
}
.sol-case-body {
  display: flex;
  gap: 0;
}
.sol-case-img {
  flex: 0 0 42%;
  min-height: 280px;
  overflow: hidden;
}
.sol-case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.sol-case-card:hover .sol-case-img img {
  transform: scale(1.04);
}
.sol-case-info {
  flex: 1;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.sol-case-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 1rem;
}
.sol-case-highlights {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.sol-case-hl {
  text-align: center;
}
.sol-case-hl-val {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.sol-case-hl-label {
  font-size: 0.7rem;
  color: var(--text-light);
}
.sol-case-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.sol-case-actions {
  display: flex;
  gap: 0.75rem;
}
.sol-case-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
}
.sol-case-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.sol-case-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
}
.sol-case-btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* 响应式 */
@media (max-width: 768px) {
  .sol-case-body { flex-direction: column; }
  .sol-case-img { flex: none; min-height: 200px; }
  .sol-case-highlights { gap: 1rem; }
  .sol-case-actions { flex-direction: column; }
  .sol-case-title { font-size: 1.05rem; }
}

/* ============================================================
   证书横排拼接展示
   ============================================================ */
.cert-strip {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x mandatory;
}
.cert-strip-item {
  flex: 0 0 auto;
  width: 150px;
  height: 210px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  scroll-snap-align: start;
  position: relative;
  background: #fff;
  display: flex;
  flex-direction: column;
}
.cert-strip-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.cert-strip-item img {
  width: 100%;
  flex: 1;
  min-height: 0;
  object-fit: contain;
  padding: 6px;
}
.cert-strip-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: auto auto 0.5rem;
  color: #fff;
  font-size: 1.3rem;
}
.cert-strip-title {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--primary);
  text-align: center;
  line-height: 1.3;
  padding: 0.3rem 0.25rem 0.5rem;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .hp-product-img { height: 140px; }
  .cert-strip-item { width: 120px; height: 170px; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .timeline::before { left: 24px; transform: translateX(-50%); }
  .timeline-item { flex-direction: column !important; padding-left: 0; }
  .timeline-content { max-width: calc(100% - 50px); width: calc(100% - 50px); margin-left: 50px; order: 2; }
  .timeline-year { width: auto; position: relative; flex-direction: row; gap: 0.5rem; margin-bottom: 0.5rem; align-items: center; justify-content: flex-start; padding-left: 38px; order: 1; }
  .timeline-dot { position: absolute; left: 24px; top: 50%; transform: translate(-50%, -50%); }
}

@media (max-width: 768px) {
  .stats-bar .grid { gap: 1rem; }
  .four-extremes { padding: 3rem 0; }
  .contact-form { padding: 1.5rem; }
  .process-flow { justify-content: flex-start; }
  .carousel-arrow { width: 36px; height: 36px; font-size: 1rem; }
  .carousel-arrow-prev { left: 0.75rem; }
  .carousel-arrow-next { right: 0.75rem; }
  .carousel-dot { width: 30px; }
  .carousel-dot.active { width: 45px; }
  .main-product-card img { height: 180px; }
  .cert-card img { height: 120px; }
  .sp-card .sp-img img { height: 160px; }
  .sp-actions { flex-direction: column; }
}

@media (max-width: 480px) {
  .product-tabs { gap: 0.35rem; }
  .product-tab-btn { padding: 0.5rem 1rem; font-size: 0.8rem; }
  .carousel-indicators { bottom: 1.5rem; }
  .process-tags { gap: 0.25rem; }
  .process-tag { font-size: 0.65rem; padding: 0.15rem 0.5rem; }
}

/* ============================================================
   核心产品详细规格 - 2×4竖条卡片（上图下介绍）
   ============================================================ */
.core-products-section { padding: 4rem 0; }
.core-products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.core-product-card {
  background: #fff;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: box-shadow 0.3s, transform 0.3s;
  border: 1px solid rgba(0,0,0,0.04);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.core-product-card:hover {
  box-shadow: 0 8px 24px rgba(0,136,221,0.12);
  transform: translateY(-3px);
}
.cp-img-wrapper {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}
.cp-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.core-product-card:hover .cp-img-wrapper img {
  transform: scale(1.06);
}
.core-product-header {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
  user-select: none;
}
.core-product-header .cp-info h3 {
  font-size: 1.15rem; font-weight: 700;
  color: var(--primary); margin: 0 0 0.25rem;
  line-height: 1.4;
}
.core-product-header .cp-info p {
  font-size: 0.88rem; color: var(--text-light);
  margin: 0; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.core-product-header .cp-toggle {
  width: 1.75rem; height: 1.75rem;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-bg);
  color: var(--primary); font-size: 0.75rem;
  transition: transform 0.3s, background 0.3s;
  align-self: flex-end;
  margin-top: auto;
}
.core-product-card.expanded .cp-toggle {
  transform: rotate(180deg);
  background: var(--primary);
  color: white;
}
.core-product-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.core-product-card.expanded .core-product-body {
  max-height: 2000px;
}
.core-product-body-inner {
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.cp-specs-title {
  font-size: 0.9rem; font-weight: 700;
  color: var(--primary-dark);
  margin: 0.75rem 0 0.4rem;
  display: flex; align-items: center; gap: 0.35rem;
}
.cp-specs-title i { color: var(--accent); font-size: 0.82rem; }
.cp-specs-list {
  list-style: none; padding: 0; margin: 0;
}
.cp-specs-list li {
  font-size: 0.82rem; color: var(--text);
  padding: 0.25rem 0;
  border-bottom: 1px dashed rgba(0,0,0,0.04);
  padding-left: 0.85rem;
  position: relative;
}
.cp-specs-list li::before {
  content: '';
  position: absolute; left: 0; top: 0.55rem;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
}
.cp-apps-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 0.3rem;
}
.cp-apps-list li {
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 2rem;
  background: linear-gradient(135deg, rgba(0,136,221,0.06), rgba(0,187,255,0.06));
  color: var(--primary-dark);
  border: 1px solid rgba(0,136,221,0.12);
}
.cp-category-tag {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 1rem;
  background: var(--gray-bg);
  color: var(--text-light);
  display: inline-block;
  margin-top: 0.3rem;
}
@media (max-width: 1024px) {
  .core-products-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .core-products-grid { grid-template-columns: repeat(2, 1fr); }
  .core-product-header { padding: 0.85rem 1rem; }
  .core-product-body-inner { padding: 0 1rem 1rem; }
  .core-product-header .cp-info h3 { font-size: 1rem; }
}
@media (max-width: 480px) {
  .core-products-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   客户案例页 - 数据影响力条
   ============================================================ */
.impact-bar {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 3rem 1.5rem;
  position: relative;
  overflow: hidden;
}
.impact-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 68.75rem; /* 1100px at 16px base, scales with root font-size */
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.impact-stat {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.impact-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  border: 1px solid rgba(255,255,255,0.15);
}
.impact-icon i {
  color: rgba(255,255,255,0.9);
  font-size: 1.25rem;
}
.impact-num {
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 900;
  color: #fff;
  line-height: 1;
  text-shadow: 0 2px 16px rgba(0,0,0,0.2);
}
.impact-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.78);
  font-weight: 500;
}
@media (max-width: 640px) {
  .impact-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
}

/* ============================================================
   客户案例页 - 信任墙
   ============================================================ */
.trust-wall {
  padding: 4rem 1.5rem;
  background: var(--gray-bg);
}
.trust-wall-title {
  text-align: center;
  margin-bottom: 0.5rem;
}
.trust-wall-sub {
  text-align: center;
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}
.trust-wall-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 68.75rem; /* 1100px at 16px base, scales with root font-size */
  margin: 0 auto;
}
.trust-wall-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
  border: 1px solid rgba(0,0,0,0.05);
  cursor: default;
}
.trust-wall-item:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.trust-wall-logo {
  height: 40px;
  width: auto;
  max-width: 100px;
  object-fit: contain;
  filter: grayscale(30%);
  transition: filter 0.3s;
}
.trust-wall-item:hover .trust-wall-logo {
  filter: grayscale(0%);
}
.trust-wall-abbr {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.trust-wall-name {
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 500;
}
@media (max-width: 768px) {
  .trust-wall-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .trust-wall-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   客户案例页 - 行业覆盖
   ============================================================ */
.industry-coverage {
  padding: 4rem 1.5rem;
  background: #fff;
}
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 68.75rem; /* 1100px at 16px base, scales with root font-size */
  margin: 2rem auto 0;
}
.industry-card {
  background: var(--gray-bg);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}
.industry-card:hover {
  background: #fff;
  border-color: var(--primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.industry-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}
.industry-card-icon i {
  font-size: 1.5rem;
  color: #fff;
}
.industry-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}
.industry-card-desc {
  font-size: 1.075rem;
  color: var(--text-light);
  line-height: 1.6;
  height: 5.2em;
}
.industry-card-count {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(0,136,221,0.08);
  padding: 0.3rem 1rem;
  border-radius: 2rem;
  margin-top: 0.5rem;
}
@media (max-width: 640px) {
  .industry-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   客户案例页 - 信任保障徽章
   ============================================================ */
.trust-assurance {
  padding: 4rem 1.5rem;
  background: var(--gray-bg);
}
.trust-badge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 68.75rem; /* 1100px at 16px base, scales with root font-size */
  margin: 2rem auto 0;
}
.trust-badge {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}
.trust-badge-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  box-shadow: 0 4px 16px rgba(0,136,221,0.2);
}
.trust-badge-icon i {
  font-size: 1.5rem;
  color: #fff;
}
.trust-badge-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}
.trust-badge-desc {
  font-size: 1.0rem;
  color: var(--text-light);
  line-height: 1.5;
}
@media (max-width: 768px) {
  .trust-badge-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}

/* ============================================================
   解决方案页 - 方案案例图片可点击放大
   ============================================================ */
.sol-case-img {
  cursor: pointer;
  overflow: hidden;
  border-radius: var(--radius);
}
.sol-case-img img {
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
}
.sol-case-img:hover img {
  transform: scale(1.04);
}

/* ============================================================
   客户案例页 - 合作成果速览
   ============================================================ */
.results-showcase {
  padding: 4rem 1.5rem;
  background: var(--gray-bg);
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: 68.75rem; /* 1100px at 16px base, scales with root font-size */
  margin: 2rem auto 0;
}
.result-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  min-height: 24rem;
  display: flex;
  flex-direction: column;
  justify-content:space-evenly;
  align-items: stretch;   /* 子元素宽度拉满 */
  border: 1px solid rgba(0,0,0,0.05);
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
  position: relative;
  overflow: hidden;
}
.result-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: opacity 0.3s;
}
.result-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.result-card:hover::before { opacity: 1; }
.result-card-header {
  display: flex;
  align-items: center;
  gap: 2.75rem;
}
.result-card-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.0rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.result-card-logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: contain;
  background: #fff;
  padding: 3px;
}
.result-card-client {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}
.result-card-year {
  font-size: 1.0rem;
  color: var(--text-light);
  margin-left: auto;
  background: var(--gray-bg);
  padding: 0.2rem 0.6rem;
  border-radius: 1rem;
  flex-shrink: 0;
}
.result-card-num {
  font-size: clamp(1.75rem, 2vw, 2.25rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -0.02em;
}
.result-card-label {
  font-size: 1.25rem;
  color: var(--text-light);
  line-height: 1.5;
}
.result-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--primary);
  background: rgba(0,136,221,0.07);
  padding: 0.3rem 0.8rem;
  border-radius: 2rem;
  align-self: flex-start;
}
@media (max-width: 768px) {
  .results-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .results-grid { grid-template-columns: 1fr; }
}