/* 601机械设备企业网站 - 绿色科技主题
 * Green Tech Theme for Industrial Machinery
 * Max-width: 1440px
 */

/* CSS Variables - 配色方案（默认绿色，会被index.html中的JS覆盖） */
:root {
--primary: #E30115;
--primary-dark: #c20112;
--secondary: #b80010;
--accent: #ffb020;
  --bg-light: #F8F9FA;
  --bg-dark: #1A1A2E;
  --text-primary: #2C3E50;
  --text-secondary: #7F8C8D;
  --text-light: #FFFFFF;
  --text-muted: #999;
  --bg-primary: #ffffff;
  /* 主题色RGB值，修正为红色 #E30115 不要绿色 */
  --primary-rgb: 227, 1, 21;
  --secondary-rgb: 184, 0, 16;
  /* 边框和阴影使用主题色 */
  --border: rgba(var(--primary-rgb), 0.2);
  --border-color: #e0e0e0;
  --border-light: rgba(0, 0, 0, 0.08);
  --shadow: 0 10px 40px rgba(var(--primary-rgb), 0.1);
  --shadow-hover: 0 20px 60px rgba(var(--primary-rgb), 0.2);
  --transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --bg-card: #ffffff;
}

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  color: var(--text-primary);
  background: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
  font-weight: 300; /* 使用细体 */
}

/* Container - 最大宽度1440px */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

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

a:hover {
  color: var(--primary-dark);
}

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

/* Particles Background Canvas */
#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}

#translate{display: none;}
/* ==================== Top Bar 顶部信息栏 ==================== */
.top-bar {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 0.75rem 0;
  font-size: 0.875rem;
  position: relative;
  z-index: 1001;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-item i {
  color: var(--primary);
}

.top-bar-right {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 0.4rem 1rem;
  transition: var(--transition);
}

.search-box:focus-within {
  background: rgba(255, 255, 255, 0.2);
}

.search-box input {
  background: transparent;
  border: none;
  color: white;
  outline: none;
  width: 150px;
  font-size: 0.875rem;
}

.search-box input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.search-box button {
  background: transparent;
  border: none;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}

.search-box button:hover {
  color: var(--text-light);
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 0;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 1.1rem;
  min-width: 38px;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.lang-code {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* 翻译按钮 hover */
.lang-btn:hover {
  color: var(--primary);
  background: rgba(128,128,128,0.15);
  border-color: var(--primary);
}

/* Dark Mode Toggle - 统一样式 */
.dark-mode-toggle {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  color: white;
  width: 38px;
  height: 38px;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.1s;
  border-radius: 12px;
  flex-shrink: 0;
}

.header-transparent .dark-mode-toggle {
background: rgba(255, 255, 255, 0.1);
  color: #fff;border: 1px solid rgba(255, 255, 255, 0.3);
}

 

.header:not(.header-transparent) .dark-mode-toggle {
  color: var(--text-primary);
}

.dark-mode-toggle:hover {
  color: var(--primary);
  background: rgba(128,128,128,0.15);
  border-color: var(--primary);
}

.dark-mode-toggle.active {
  color: var(--primary);
}

.lang-arrow {
  font-size: 0.75rem;
  transition: var(--transition);
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: white;
  border-radius: 8px;
  box-shadow: var(--shadow-hover);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1000;
}

.lang-switcher:hover .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  transition: var(--transition);
}

.lang-item:first-child {
  border-radius: 8px 8px 0 0;
}

.lang-item:last-child {
  border-radius: 0 0 8px 8px;
}

.lang-item:hover,
.lang-item.active {
  background: var(--bg-light);
  color: var(--primary);
}

@media (max-width: 768px) {
  .top-bar-left {
    display: none;
  }
  
  .search-box {
    display: none;
  }
}

/* ==================== Header 头部导航 ==================== */
.header {
  background: white;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* 滚动时翻译按钮样式 */
.header:not(.header-transparent) .lang-btn,
.header.scrolled .lang-btn {
  color: var(--text-primary);
  border-color: var(--border-light);
  background: var(--bg-light);
}

.header:not(.header-transparent) .lang-btn:hover,
.header.scrolled .lang-btn:hover {
  color: var(--primary);
  background: rgba(128,128,128,0.15);
  border-color: var(--primary);
}

/* 滚动后月亮/太阳图标变黑色 */
.header:not(.header-transparent) .dark-mode-toggle,
.header.scrolled .dark-mode-toggle {
  color: #333;
}

.header:not(.header-transparent) .dark-mode-toggle:hover,
.header.scrolled .dark-mode-toggle:hover {
  color: var(--primary);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  z-index: 10;
}

.logo img {
  height: 50px;
  width: auto;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
  letter-spacing: 2px;
  padding: 0.3rem 2.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 10px;
  display: inline-block;
  transition: all 0.3s ease;
}

.logo:hover .logo-text {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.4);
}

/* Navigation Menu */
nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

.nav-menu > li > a {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-menu > li:hover > a,
.nav-menu > li.nav-active > a {
  color: var(--primary);
}

.nav-menu > li:hover > a::after,
.nav-menu > li.nav-active > a::after {
  width: 80%;
}

/* Dropdown Menu - 多级下拉 */
.has-dropdown {
  position: relative;
}

/* 下划线 */
.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  min-width: 220px;
  box-shadow: var(--shadow-hover);
  border-radius: 8px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1001;
  list-style: none;
}

.has-dropdown:hover > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown li {
  position: relative;
}

.dropdown li a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--text-primary);
  transition: var(--transition);
}

.dropdown li a:hover {
  background: var(--bg-light);
  color: var(--primary);
  padding-left: 2rem;
}

/* 三级菜单向右展开 */
.dropdown .has-dropdown > .dropdown {
  top: 0;
  left: 100%;
  margin-left: 0.5rem;
}

/* 四级菜单也向右展开，保持相同间距 */
.dropdown .dropdown .has-dropdown > .dropdown {
  top: 0;
  left: 100%;
  margin-left: 0.5rem;
}

.dropdown .has-dropdown > a::after {
  content: '\f105';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 1024px) {
  .header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 10000 !important;
    background: white !important;
  }
  
  .header.header-transparent {
    background: white !important;
  }
  
  .header.scrolled {
    background: white !important;
  }
  
  /* 手机端图标在白色背景上显示深色 */
  .lang-btn {
    color: #333 !important;
    background: var(--bg-light) !important;
    border-color: var(--border-light) !important;
  }
  
  .dark-mode-toggle {
    color: #333 !important;
    background: var(--bg-light) !important;
    border-color: var(--border-light) !important;
  }
  
  .header-action-btn {
    color: #333 !important;
    background: var(--bg-light) !important;
    border-color: var(--border-light) !important;
  }
  
  .mobile-menu-btn span {
    background: #333 !important;
  }
  
  html.dark-mode .header.header-transparent {
    background: #161b22 !important;
  }
  
  html.dark-mode .header.scrolled {
    background: #161b22 !important;
  }
  
  /* 黑暗模式手机端图标保持浅色 */
  html.dark-mode .lang-btn {
    color: #c9d1d9 !important;
    background: rgba(255,255,255,0.1) !important;
    border-color: rgba(255,255,255,0.2) !important;
  }
  
  html.dark-mode .dark-mode-toggle {
    color: #c9d1d9 !important;
    background: rgba(255,255,255,0.1) !important;
    border-color: rgba(255,255,255,0.2) !important;
  }
  
  html.dark-mode .header-action-btn {
    color: #c9d1d9 !important;
    background: rgba(255,255,255,0.1) !important;
    border-color: rgba(255,255,255,0.2) !important;
  }
  
  html.dark-mode .mobile-menu-btn span {
    background: #c9d1d9 !important;
  }
  
  body {
    padding-top: 70px !important;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .mobile-menu-btn span {
    background: #333 !important;
  }
  
  /* 手机端header布局 */
  .header .container {
    justify-content: space-between !important;
  }

  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: white;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 9999;
    padding: 3.5rem 2rem 2rem;
  }

  nav.active {
    right: 0;
  }
  
  .nav-menu {
    flex-direction: column;
    gap: 0;
  }
  
  .nav-menu > li > a {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
  }
  
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.1s ease;
  }
  
  .has-dropdown.active > .dropdown {
    max-height: 500px;
  }
  
  .dropdown .has-dropdown > .dropdown {
    margin-left: 0;
    padding-left: 1rem;
  }
}

/* ==================== Slider/Hero 轮播大图 ==================== */
.slider {
  position: relative;
  height: 80vh;
  min-height: 600px;
  overflow: hidden;
}

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

.slider-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
}

.slider-slide.active {
  opacity: 1;
}

.slider-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slider-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  width: 90%;
  max-width: 900px;
  z-index: 2;
}

.slider-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: -1;
}

.slider-content h1 {
  color: white;
  margin-bottom: 1.5rem;
  animation: slideUp 0.8s ease;
}

.slider-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  animation: slideUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  animation: slideUp 0.8s ease 0.4s backwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
}

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

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

.btn-outline {
  background: transparent;
  color: white;
  border-color: white;
}

.btn-outline:hover {
  background: white;
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* Slider Navigation */
.slider-nav {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.75rem;
  z-index: 3;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.slider-dot.active {
  background: var(--primary);
  width: 40px;
  border-radius: 6px;
}

.slider-arrows {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 3;
}

.slider-arrow {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: var(--transition);
}

.slider-arrow:hover {
  background: var(--primary);
  transform: scale(1.1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .slider {
    height: 60vh;
    min-height: 400px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

/* ==================== Stats Section 数据统计 ==================== */
.stats-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 4rem 0;
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat {
  text-align: center;
  color: white;
  padding: 2rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.stat:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.2);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  opacity: 0.9;
}

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

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ==================== Features Section 核心优势 ==================== */
.features-section {
  padding: 6rem 0;
  background: white;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2.5rem;
  border-radius: 12px;
  background: var(--bg-light);
  transition: var(--transition);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  background: white;
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  transform: rotateY(360deg);
}

.feature-card h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.feature-card p {
  color: var(--text-secondary);
}

/* ==================== Products Section 产品展示 ==================== */


.section-footer {
  text-align: center;
  margin-top: 3rem;
}

/* ==================== Cases Section 案例展示 ==================== */
.cases-section {
  padding: 6rem 0;
  background: white;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.case-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  height: 350px;
  cursor: pointer;
}

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

.case-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: 2rem;
  color: white;
  transform: translateY(20px);
  opacity: 0;
  transition: var(--transition);
}

.case-card:hover img {
  transform: scale(1.1);
}

.case-card:hover .case-overlay {
  transform: translateY(0);
  opacity: 1;
}

.case-category {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  margin-bottom: 0.75rem;
}

.case-overlay h3 {
  color: white;
  margin-bottom: 0.5rem;
}

.case-overlay p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

/* ==================== About Brief Section 关于我们简介 ==================== */
.about-brief-section {
  padding: 6rem 0;
  background: var(--bg-light);
}

.about-brief-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: auto;
}

.about-text h2 {
  margin-bottom: 1.5rem;
}

.about-text p {
  margin-bottom: 1.5rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

.about-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.about-feature-item i {
  color: var(--primary);
  font-size: 1.25rem;
}

@media (max-width: 1024px) {
  .about-brief-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ==================== News Section 新闻动态 ==================== */
.news-section {
  padding: 6rem 0;
  background: white;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.news-card {
  background: var(--bg-light);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.news-image {
  height: 220px;
  overflow: hidden;
}

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

.news-card:hover .news-image img {
  transform: scale(1.1);
}

.news-content {
  padding: 1.5rem;
}

.news-date {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.news-content h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
  line-height: 1.4;
}

.news-content p {
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition);
}

.read-more:hover {
  gap: 1rem;
}

/* ==================== Partners Section 合作伙伴 ==================== */
.partners-section {
  padding: 4rem 0;
  background: var(--bg-light);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  align-items: center;
}

.partner-logo {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: var(--transition);
}

.partner-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
  box-shadow: var(--shadow);
}

.partner-logo img {
  max-width: 100%;
  height: auto;
}

/* ==================== CTA Section 行动号召 ==================== */
.cta-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #16213E 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
  opacity: 0.1;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  color: white;
  margin-bottom: 1.5rem;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* ==================== Footer 页脚 ==================== */
footer {
  background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h3 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-about p {
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 0.5rem;
}

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: flex-start;
}

.footer-contact-item i {
  color: var(--primary);
  margin-top: 0.25rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

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

@media (max-width: 768px) {
  .footer-grid {
    display: none;
  }

  footer {
    padding: 0;
  }
}

/* ==================== Back to Top 返回顶部 ==================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: var(--shadow);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-5px);
}

/* ==================== Scroll Animations 滚动动画 ==================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease;
}

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

.fade-in {
  opacity: 0;
  transition: opacity 0.1s ease;
}

.fade-in.visible {
  opacity: 1;
}

.slide-up {
  transform: translateY(50px);
  opacity: 0;
  transition: transform 0.1s ease, opacity 0.1s ease;
}

.slide-up.visible {
  transform: translateY(0);
  opacity: 1;
}

.zoom-in {
  transform: scale(0.9);
  opacity: 0;
  transition: transform 0.1s ease, opacity 0.1s ease;
}

.zoom-in.visible {
  transform: scale(1);
  opacity: 1;
}

/* Stagger animation delays */
.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.animate-on-scroll:nth-child(2) { transition-delay: 0s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0s; }

/* ==================== 黑暗模式 ==================== */
html.dark-mode {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #161b22;
  --bg-light: #1c2333;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --border-color: #30363d;
  --shadow-color: rgba(0,0,0,0.3);
  background-color: #0d1117 !important;
  color: #e6edf3 !important;
}

html.dark-mode body {
  background-color: #0d1117 !important;
  color: #e6edf3 !important;
}

html.dark-mode .header {
  background: #161b22 !important;
  border-bottom-color: #30363d !important;
}

html.dark-mode .header.header-transparent {
  background: transparent !important;
}

html.dark-mode .header.scrolled {
  background: #161b22 !important;
}

html.dark-mode .header::after {
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, transparent 100%);
}

html.dark-mode .nav-link {
  color: #c9d1d9 !important;
}

html.dark-mode .nav-link:hover,
html.dark-mode .nav-link.active {
  color: var(--primary) !important;
}

html.dark-mode .dropdown {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .dropdown a {
  color: #c9d1d9 !important;
}

html.dark-mode .dropdown a:hover {
  background: rgba(var(--primary-rgb), 0.1) !important;
}

html.dark-mode .hero-section {
  background: #0d1117 !important;
}

html.dark-mode .section-title {
  color: #e6edf3 !important;
}

html.dark-mode .section-subtitle {
  color: #8b949e !important;
}

html.dark-mode .about-card,
html.dark-mode .product-card,
html.dark-mode .case-card,
html.dark-mode .news-item,
html.dark-mode .download-item,
html.dark-mode .service-card,
html.dark-mode .team-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .about-card:hover,
html.dark-mode .product-card:hover,
html.dark-mode .case-card:hover,
html.dark-mode .news-item:hover,
html.dark-mode .download-item:hover {
  border-color: var(--primary) !important;
}

html.dark-mode .card-title,
html.dark-mode .product-card-title,
html.dark-mode .case-card-title,
html.dark-mode .news-card-title {
  color: #e6edf3 !important;
}

html.dark-mode .card-text,
html.dark-mode .product-card-desc,
html.dark-mode .case-card-desc,
html.dark-mode .news-card-excerpt {
  color: #8b949e !important;
}

html.dark-mode .sub-nav-btn {
  background: #161b22 !important;
  color: #c9d1d9 !important;
  border-color: #30363d !important;
}

html.dark-mode .sub-nav-btn:hover,
html.dark-mode .sub-nav-btn.active {
  background: var(--primary) !important;
  color: #fff !important;
  border-color: var(--primary) !important;
}

html.dark-mode .filter-btn {
  background: #161b22 !important;
  color: #c9d1d9 !important;
  border-color: #30363d !important;
}

html.dark-mode .filter-btn:hover,
html.dark-mode .filter-btn.active {
  background: var(--primary) !important;
  color: #fff !important;
  border-color: var(--primary) !important;
}

html.dark-mode footer {
  background: #0d1117 !important;
}

html.dark-mode .footer-title {
  color: #e6edf3 !important;
}

html.dark-mode .footer-links a {
  color: #8b949e !important;
}

html.dark-mode .footer-links a:hover {
  color: var(--primary) !important;
}

html.dark-mode .footer-bottom {
  border-top-color: #30363d !important;
}

html.dark-mode .search-overlay {
  background: rgba(0,0,0,0.95) !important;
}

html.dark-mode .search-form {
  background: #161b22 !important;
  border: 1px solid #30363d !important;
}

html.dark-mode .search-input {
  background: transparent !important;
  color: #e6edf3 !important;
}

html.dark-mode .search-input::placeholder {
  color: #8b949e !important;
}

html.dark-mode .search-close {
  color: rgba(255,255,255,0.5) !important;
}

html.dark-mode .form-input,
html.dark-mode .form-textarea {
  background: #161b22 !important;
  color: #e6edf3 !important;
  border-color: #30363d !important;
}

html.dark-mode .form-label {
  color: #c9d1d9 !important;
}

html.dark-mode .cta-modern {
  background: linear-gradient(135deg, #161b22 0%, #0d1117 100%) !important;
}

html.dark-mode .btn-primary {
  background: var(--primary) !important;
  color: #fff !important;
}

html.dark-mode .btn-secondary {
  background: #161b22 !important;
  color: #e6edf3 !important;
  border-color: #30363d !important;
}

html.dark-mode .pagination-btn,
html.dark-mode .pagination-number {
  background: #161b22 !important;
  color: #c9d1d9 !important;
  border-color: #30363d !important;
}

html.dark-mode .pagination-number.active {
  background: var(--primary) !important;
  color: #fff !important;
}

html.dark-mode .breadcrumb a {
  color: #8b949e !important;
}

html.dark-mode .breadcrumb-current {
  color: #c9d1d9 !important;
}

html.dark-mode .lang-btn {
  color: #c9d1d9 !important;
  border: 1px solid rgba(255,255,255,0.2) !important;
  background: rgba(255,255,255,0.1) !important;
}

html.dark-mode .lang-dropdown {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .lang-item {
  color: #c9d1d9 !important;
}

html.dark-mode .lang-item:hover {
  background: rgba(var(--primary-rgb), 0.1) !important;
}

html.dark-mode .dark-mode-toggle {
  background: rgba(255,255,255,0.1) !important;
  border: 1px solid rgba(255,255,255,0.2) !important;
  color: #c9d1d9 !important;
}

html.dark-mode .dark-mode-toggle:hover {
  background: rgba(128,128,128,0.15) !important;
  border-color: var(--primary) !important;
  color: var(--primary) !important;
}

html.dark-mode .contact-info-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .contact-info-item {
  color: #c9d1d9 !important;
}

html.dark-mode .map-container {
  border-color: #30363d !important;
}

html.dark-mode .hero-overlay {
  background: rgba(0,0,0,0.7) !important;
}

html.dark-mode .counter-number {
  color: var(--primary) !important;
}

html.dark-mode .counter-label {
  color: #8b949e !important;
}

html.dark-mode .back-to-top {
  background: #161b22 !important;
  border-color: #30363d !important;
  color: #c9d1d9 !important;
}

html.dark-mode .back-to-top:hover {
  background: var(--primary) !important;
  color: #fff !important;
}

html.dark-mode .job-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .job-title {
  color: #e6edf3 !important;
}

html.dark-mode .job-meta {
  color: #8b949e !important;
}

html.dark-mode .sub-nav-wrapper {
  background: #161b22 !important;
  border-bottom-color: #30363d !important;
}

html.dark-mode .sub-nav-btn {
  background: #0d1117 !important;
  color: #c9d1d9 !important;
  border-color: #30363d !important;
}

html.dark-mode .sub-nav-btn:hover {
  background: rgba(var(--primary-rgb), 0.15) !important;
  color: var(--primary) !important;
  border-color: var(--primary) !important;
}

html.dark-mode .sub-nav-btn.active {
  background: var(--primary) !important;
  color: #fff !important;
  border-color: var(--primary) !important;
}

html.dark-mode .about-section,
html.dark-mode .service-section,
html.dark-mode .team-section,
html.dark-mode .contact-section,
html.dark-mode .message-section,
html.dark-mode .careers-section,
html.dark-mode .download-section,
html.dark-mode .news-section {
  background: #0d1117 !important;
}

html.dark-mode .about-intro,
html.dark-mode .about-hero-section {
  background: #0d1117 !important;
}

html.dark-mode .service-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .service-card:hover {
  border-color: var(--primary) !important;
}

html.dark-mode .service-card-title {
  color: #e6edf3 !important;
}

html.dark-mode .service-card-desc {
  color: #8b949e !important;
}

html.dark-mode .service-icon-circle {
  background: rgba(var(--primary-rgb), 0.1) !important;
}

html.dark-mode .team-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .team-card:hover {
  border-color: var(--primary) !important;
}

html.dark-mode .team-name {
  color: #e6edf3 !important;
}

html.dark-mode .team-position {
  color: #8b949e !important;
}

html.dark-mode .breadcrumb-section {
  background: #161b22 !important;
  border-bottom-color: #30363d !important;
}

@media (max-width: 768px) {
  .breadcrumb-section {
    display: none !important;
  }
}

html.dark-mode .about-section-title {
  color: #e6edf3 !important;
}

html.dark-mode .about-section-subtitle {
  color: #8b949e !important;
}

html.dark-mode .about-section-divider {
  background: var(--primary) !important;
}

html.dark-mode .about-intro-text {
  color: #c9d1d9 !important;
}

html.dark-mode .about-stats-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .about-stats-number {
  color: var(--primary) !important;
}

html.dark-mode .about-stats-label {
  color: #8b949e !important;
}

html.dark-mode .honor-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .honor-title {
  color: #e6edf3 !important;
}

html.dark-mode .timeline-item {
  border-left-color: #30363d !important;
}

html.dark-mode .timeline-year {
  color: var(--primary) !important;
}

html.dark-mode .timeline-title {
  color: #e6edf3 !important;
}

html.dark-mode .timeline-desc {
  color: #8b949e !important;
}

html.dark-mode .culture-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .culture-title {
  color: #e6edf3 !important;
}

html.dark-mode .culture-desc {
  color: #8b949e !important;
}

html.dark-mode .about-features-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .about-features-title {
  color: #e6edf3 !important;
}

html.dark-mode .contact-info-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .contact-info-item {
  color: #c9d1d9 !important;
}

html.dark-mode .contact-info-title {
  color: #e6edf3 !important;
}

html.dark-mode .map-container {
  border-color: #30363d !important;
}

html.dark-mode .contact-form-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .contact-form-title {
  color: #e6edf3 !important;
}

html.dark-mode .hero-overlay {
  background: rgba(0,0,0,0.7) !important;
}

html.dark-mode .counter-number {
  color: var(--primary) !important;
}

html.dark-mode .counter-label {
  color: #8b949e !important;
}

html.dark-mode .back-to-top {
  background: #161b22 !important;
  border-color: #30363d !important;
  color: #c9d1d9 !important;
}

html.dark-mode .back-to-top:hover {
  background: var(--primary) !important;
  color: #fff !important;
}

html.dark-mode .job-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .job-title {
  color: #e6edf3 !important;
}

html.dark-mode .job-meta {
  color: #8b949e !important;
}

html.dark-mode .hero-section {
  background: #0d1117 !important;
}

html.dark-mode .page-hero,
html.dark-mode .contact-hero,
html.dark-mode .message-hero,
html.dark-mode .careers-hero,
html.dark-mode .download-hero,
html.dark-mode .about-hero,
html.dark-mode .product-hero,
html.dark-mode .case-hero,
html.dark-mode .news-hero {
  background: #0d1117 !important;
}

html.dark-mode .hero-bg,
html.dark-mode .contact-hero-bg,
html.dark-mode .message-hero-bg,
html.dark-mode .careers-hero-bg,
html.dark-mode .download-hero-bg,
html.dark-mode .about-hero-bg,
html.dark-mode .product-hero-bg,
html.dark-mode .case-hero-bg,
html.dark-mode .news-hero-bg {
  opacity: 0.3 !important;
}

html.dark-mode .hero-content {
  color: #e6edf3 !important;
}

html.dark-mode .hero-title {
  color: #e6edf3 !important;
}

html.dark-mode .hero-desc {
  color: #8b949e !important;
}

html.dark-mode .section-header {
  color: #e6edf3 !important;
}

html.dark-mode .section-header h2 {
  color: #e6edf3 !important;
}

html.dark-mode .section-header p {
  color: #8b949e !important;
}

html.dark-mode .feature-card,
html.dark-mode .advantage-card,
html.dark-mode .process-card,
html.dark-mode .partner-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .feature-card:hover,
html.dark-mode .advantage-card:hover,
html.dark-mode .process-card:hover,
html.dark-mode .partner-card:hover {
  border-color: var(--primary) !important;
}

html.dark-mode .feature-title,
html.dark-mode .advantage-title,
html.dark-mode .process-title,
html.dark-mode .partner-title {
  color: #e6edf3 !important;
}

html.dark-mode .feature-desc,
html.dark-mode .advantage-desc,
html.dark-mode .process-desc,
html.dark-mode .partner-desc {
  color: #8b949e !important;
}

html.dark-mode .feature-icon,
html.dark-mode .advantage-icon,
html.dark-mode .process-icon,
html.dark-mode .partner-icon {
  background: rgba(var(--primary-rgb), 0.1) !important;
  color: var(--primary) !important;
}

html.dark-mode .about-intro-content {
  color: #c9d1d9 !important;
}

html.dark-mode .about-intro-section {
  background: #0d1117 !important;
}

html.dark-mode .about-section {
  background: #0d1117 !important;
}

html.dark-mode .services-showcase,
html.dark-mode .products-highlight,
html.dark-mode .cases-showcase,
html.dark-mode .news-showcase,
html.dark-mode .partners-showcase {
  background: #0d1117 !important;
}

html.dark-mode .hero-modern {
  background: #0d1117 !important;
}

html.dark-mode .service-card-modern,
html.dark-mode .product-card-modern,
html.dark-mode .news-card-modern,
html.dark-mode .case-card-modern {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .service-card-title,
html.dark-mode .product-card-title,
html.dark-mode .news-card-title {
  color: #e6edf3 !important;
}

html.dark-mode .service-card-desc,
html.dark-mode .product-card-desc,
html.dark-mode .news-card-excerpt {
  color: #8b949e !important;
}

html.dark-mode .service-card-link,
html.dark-mode .product-card-link,
html.dark-mode .news-card-link {
  color: var(--primary) !important;
}

html.dark-mode .service-icon-circle,
html.dark-mode .product-icon-circle {
  background: rgba(var(--primary-rgb), 0.15) !important;
}

html.dark-mode .service-icon-modern,
html.dark-mode .product-icon-modern {
  color: var(--primary) !important;
}

html.dark-mode .case-card-category {
  color: var(--primary) !important;
  background: rgba(var(--primary-rgb), 0.15) !important;
}

html.dark-mode .about-content-left {
  color: #c9d1d9 !important;
}

html.dark-mode .about-stats-grid {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .about-feature-grid {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .about-feature-item {
  color: #c9d1d9 !important;
}

html.dark-mode .timeline-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .culture-section {
  background: #0d1117 !important;
}

html.dark-mode .culture-grid {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .culture-card-title {
  color: #e6edf3 !important;
}

html.dark-mode .culture-card-desc {
  color: #8b949e !important;
}

html.dark-mode .team-section {
  background: #0d1117 !important;
}

html.dark-mode .team-grid {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .team-card-name {
  color: #e6edf3 !important;
}

html.dark-mode .team-card-position {
  color: #8b949e !important;
}

html.dark-mode .honor-section {
  background: #0d1117 !important;
}

html.dark-mode .honor-grid {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .honor-card-title {
  color: #e6edf3 !important;
}

html.dark-mode .honor-card-desc {
  color: #8b949e !important;
}

html.dark-mode .news-detail-section {
  background: #0d1117 !important;
}

html.dark-mode .case-detail-section {
  background: #0d1117 !important;
}

html.dark-mode .product-detail-section {
  background: #0d1117 !important;
}

html.dark-mode .download-item {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .download-item:hover {
  border-color: var(--primary) !important;
}

html.dark-mode .file-name {
  color: #e6edf3 !important;
}

html.dark-mode .file-size,
html.dark-mode .file-date {
  color: #8b949e !important;
}

html.dark-mode .file-icon {
  background: rgba(var(--primary-rgb), 0.1) !important;
  color: var(--primary) !important;
}

html.dark-mode .download-btn {
  background: var(--primary) !important;
  color: #fff !important;
}

html.dark-mode .download-header .file-name {
  color: #e6edf3 !important;
}

html.dark-mode .download-header .file-size,
html.dark-mode .download-header .file-date {
  color: #8b949e !important;
}

html.dark-mode .message-form-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .message-form-title {
  color: #e6edf3 !important;
}

html.dark-mode .careers-section {
  background: #0d1117 !important;
}

html.dark-mode .job-list-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .job-list-title {
  color: #e6edf3 !important;
}

html.dark-mode .job-list-meta {
  color: #8b949e !important;
}

html.dark-mode .cta-section {
  background: linear-gradient(135deg, #161b22 0%, #0d1117 100%) !important;
}

html.dark-mode .cta-title {
  color: #e6edf3 !important;
}

html.dark-mode .cta-desc {
  color: #8b949e !important;
}

html.dark-mode .cta-bg {
  opacity: 0.1 !important;
}

html.dark-mode .related-news-section {
  background: #0d1117 !important;
}

html.dark-mode .related-news-title {
  color: #e6edf3 !important;
}

html.dark-mode .related-news-excerpt {
  color: #8b949e !important;
}

html.dark-mode .related-news-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .related-news-card:hover {
  border-color: var(--primary) !important;
}

html.dark-mode .related-case-section {
  background: #0d1117 !important;
}

html.dark-mode .related-case-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .related-case-card:hover {
  border-color: var(--primary) !important;
}

html.dark-mode .related-case-title {
  color: #e6edf3 !important;
}

html.dark-mode .product-spec-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .product-spec-title {
  color: #e6edf3 !important;
}

html.dark-mode .product-spec-list {
  color: #8b949e !important;
}

html.dark-mode .product-features-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .product-features-title {
  color: #e6edf3 !important;
}

html.dark-mode .product-features-list {
  color: #8b949e !important;
}

html.dark-mode .product-detail-info {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .product-detail-title {
  color: #e6edf3 !important;
}

html.dark-mode .product-detail-desc {
  color: #8b949e !important;
}

html.dark-mode .product-detail-price {
  color: var(--primary) !important;
}

html.dark-mode .product-detail-meta {
  color: #8b949e !important;
}

html.dark-mode .product-thumbs {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .product-thumb {
  border-color: #30363d !important;
}

html.dark-mode .product-thumb:hover,
html.dark-mode .product-thumb.active {
  border-color: var(--primary) !important;
}

html.dark-mode .product-gallery {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .case-detail-block {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .case-detail-title {
  color: #e6edf3 !important;
}

html.dark-mode .case-detail-desc {
  color: #8b949e !important;
}

html.dark-mode .case-detail-stats {
  background: #0d1117 !important;
  border-color: #30363d !important;
}

html.dark-mode .case-detail-stat-number {
  color: var(--primary) !important;
}

html.dark-mode .case-detail-stat-label {
  color: #8b949e !important;
}

html.dark-mode .news-sidebar {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .sidebar-widget {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .sidebar-widget-title {
  color: #e6edf3 !important;
}

html.dark-mode .sidebar-news-item {
  color: #c9d1d9 !important;
}

html.dark-mode .sidebar-news-item:hover {
  color: var(--primary) !important;
}

html.dark-mode .sidebar-news-date {
  color: #8b949e !important;
}

html.dark-mode .tag-item {
  background: #0d1117 !important;
  color: #8b949e !important;
  border-color: #30363d !important;
}

html.dark-mode .tag-item:hover {
  background: rgba(var(--primary-rgb), 0.15) !important;
  color: var(--primary) !important;
  border-color: var(--primary) !important;
}

html.dark-mode .news-item-link {
  color: #c9d1d9 !important;
  border-bottom-color: #30363d !important;
}

html.dark-mode .news-item-link:hover {
  color: var(--primary) !important;
}

html.dark-mode .news-item-date {
  color: #8b949e !important;
}

html.dark-mode .news-item-category {
  background: rgba(var(--primary-rgb), 0.1) !important;
  color: var(--primary) !important;
}

html.dark-mode .news-item-title {
  color: #e6edf3 !important;
}

html.dark-mode .news-item-excerpt {
  color: #8b949e !important;
}

html.dark-mode .news-item-meta {
  color: #8b949e !important;
}

html.dark-mode .news-item-read-more {
  color: var(--primary) !important;
}

html.dark-mode .news-item-read-more:hover {
  color: #fff !important;
}

html.dark-mode .case-filter {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .case-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .case-card:hover {
  border-color: var(--primary) !important;
}

html.dark-mode .case-card-title {
  color: #e6edf3 !important;
}

html.dark-mode .case-card-desc {
  color: #8b949e !important;
}

html.dark-mode .case-card-meta {
  color: #8b949e !important;
}

html.dark-mode .case-card-tag {
  background: rgba(var(--primary-rgb), 0.1) !important;
  color: var(--primary) !important;
}

html.dark-mode .product-category-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .product-category-card:hover {
  border-color: var(--primary) !important;
}

html.dark-mode .product-category-title {
  color: #e6edf3 !important;
}

html.dark-mode .product-category-desc {
  color: #8b949e !important;
}

html.dark-mode .product-category-count {
  color: var(--primary) !important;
}

html.dark-mode .product-list-card {
  background: #161b22 !important;
  border-color: #30363d !important;
}

html.dark-mode .product-list-card:hover {
  border-color: var(--primary) !important;
}

html.dark-mode .product-list-title {
  color: #e6edf3 !important;
}

html.dark-mode .product-list-desc {
  color: #8b949e !important;
}

html.dark-mode .product-list-price {
  color: var(--primary) !important;
}

html.dark-mode .about-hero-section {
  background: #0d1117 !important;
}

html.dark-mode .about-hero-title {
  color: #e6edf3 !important;
}

html.dark-mode .about-hero-desc {
  color: #8b949e !important;
}

html.dark-mode .about-hero-badge {
  background: rgba(var(--primary-rgb), 0.1) !important;
  color: var(--primary) !important;
  border-color: rgba(var(--primary-rgb), 0.3) !important;
}

/* ========== 首页特殊样式 ========== */

/* 导航栏透明效果 */
.header.header-transparent {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  box-shadow: none;
  z-index: 100;
}

/* 透明状态下LOGO保持原色 */
.header.header-transparent .logo img {
  filter: none !important;
}

.header.header-transparent .nav-menu > li > a {
  color: white;
}

.header.header-transparent .nav-menu > li:hover > a,
.header.header-transparent .nav-menu > li.nav-active > a {
  color: var(--primary);
}

/* Hero区域 - 全屏大图幻灯 */
.hero-modern {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px; /* 为导航栏留出空间 */
}

/* Hero大图幻灯片 */
.hero-fullscreen-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-slide-full {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.hero-slide-full.active {
  opacity: 1;
}

.hero-slide-full img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1);
  transition: transform 8s ease;
  filter: blur(4px);
}

.hero-slide-full video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1);
  transition: transform 8s ease;
  filter: blur(4px);
}

.hero-slide-full.active img {
  transform: scale(1);
}

.hero-slide-full.active video {
  transform: scale(1);
}

/* Hero图片指示器 */
.hero-indicators {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1rem;
  z-index: 3;
}

.hero-indicator {
  width: 60px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.1s ease;
  border: none;
  padding: 0;
  overflow: visible;
  position: relative;
}

.hero-indicator::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  transition: none;
}

.hero-indicator.active::after {
  width: 100%;
  transition: width 6s linear;
}

/* 简洁线条指示器 - 无图标 */
.hero-indicator-simple .hero-person,
.hero-indicator-simple .hero-person::before {
  display: none !important;
}

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

.hero-slide-overlay-dark {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 50%, rgba(0, 0, 0, 0.6) 100%);
}

/* Hero内容层 */
.hero-content-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 8rem 0;
}

.hero-layout {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.hero-text-content {
  animation: fadeInUp 1.2s ease;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(var(--primary-rgb), 0.15);
  border: 1px solid rgba(var(--primary-rgb), 0.4);
  border-radius: 50px;
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2.5rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.2);
}

.hero-title {
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1.1;
  color: white;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gradient 3s ease infinite;
}

@keyframes gradient {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.hero-description {
  font-size: 1.35rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.9;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-cta-group {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-glow {
  position: relative;
  padding: 1.15rem 2.8rem;
  background: #333;
  color: white;
  border: none;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.btn-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.1s;
}

.btn-glow:hover::before {
  left: 100%;
}

.btn-glow:hover {
  transform: translateY(-4px);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 12px 40px rgba(var(--primary-rgb), 0.5);
  color: white;
}

.btn-ghost {
  padding: 1rem 2.5rem;
  background: transparent;
  border: 2px solid #555;
  color: #555;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.btn-ghost::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

.btn-ghost i {
  transition: transform 0.3s ease;
  font-size: 0.9rem;
}

.btn-ghost:hover {
  border-color: #fff;
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(var(--primary-rgb), 0.4);
}

.btn-ghost:hover::before {
  left: 0;
}

.btn-ghost:hover i {
  transform: translateX(5px);
}

/* 移除统计数据样式 */
.hero-stats-row,
.hero-stat-item,
.hero-stat-number,
.hero-stat-label {
  display: none;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1024px) {
  .hero-stats-row {
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .hero-modern {
    min-height: 100vh;
    padding: 6rem 0;
  }
  
  .hero-content-wrapper {
    padding: 5rem 0;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
  }
  
  .hero-stats-row {
    gap: 2rem;
    flex-wrap: wrap;
  }
  
  .hero-stat-number {
    font-size: 2.2rem;
  }
  
  .hero-stat-item {
    flex: 1;
    min-width: 120px;
  }
}

/* 特色服务区域 - 全新设计 */
.services-showcase {
  padding: 8rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
  position: relative;
  overflow: hidden;
}

.services-showcase::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.services-showcase::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(var(--secondary-rgb), 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.section-header-modern {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-subtitle {
  display: inline-block;
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 1.2rem;
  position: relative;
  padding: 0 2rem;
}

.section-subtitle::before,
.section-subtitle::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30px;
  height: 2px;
background: var(--primary); 
}

.section-subtitle::before {
  left: -20px;
}

.section-subtitle::after {
  right: -20px;
}

.section-title-modern {
  font-size: clamp(2.5rem, 5vw, 2.5rem);
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.section-desc-modern {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

/* 服务卡片 - 全新卡片式设计 */
.services-grid-modern {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.service-card-modern {
  position: relative;
  background: white;
  border-radius: 20px;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: block;
  text-decoration: none;
  color: inherit;
}

.service-card-modern:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(var(--primary-rgb), 0.2);
 
}

/* 卡片顶部彩色条 */
.service-card-top-bar {
  height: 6px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.service-card-modern:hover .service-card-top-bar {
  transform: scaleX(1);
}

/* 卡片内容区 */
.service-card-body {
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
}

/* 图标容器 */
.service-icon-wrapper {
  width: 100px;
  height: 100px;
  margin: 0 auto 2rem;
  position: relative;
}

.service-icon-circle {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1), rgba(var(--secondary-rgb), 0.1));
  transition: background 0.2s ease, transform 0.2s ease;
}

.service-card-modern:hover .service-icon-circle {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  transform: scale(1.1);
}

.service-icon-modern {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--primary);
  transition: color 0.2s ease, transform 0.2s ease;
  z-index: 1;
}

.service-card-modern:hover .service-icon-modern {
  color: white;
  transform: scale(1.1);
}

/* 标题和描述 */
.service-card-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  transition: color 0.2s ease;
}

.service-card-modern:hover .service-card-title {
  color: var(--primary);
}

.service-card-desc {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

/* 底部装饰线 */
.service-card-divider {
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  margin: 0 auto 1.5rem;
  border-radius: 2px;
  transition: width 0.2s ease;
}

.service-card-modern:hover .service-card-divider {
  width: 80px;
}

/* 链接按钮 - 美化动效 */
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #666;
  font-weight: 600;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, gap 0.2s ease;
  text-decoration: none;
  padding: 10px 22px;
  border-radius: 50px;
  border: 2px solid #666;
  background: transparent;
  position: relative;
  overflow: hidden;
}

.service-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  transition: left 0.2s ease;
  z-index: -1;
}

.service-link i {
  transition: transform 0.2s ease;
}

.service-link:hover {
  gap: 14px;
  color: white !important;
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.35);
}

.service-link:hover::before {
  left: 0;
}

.service-link:hover i {
  transform: translateX(5px) rotate(90deg);
}

@media (max-width: 1024px) {
  .services-grid-modern {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8rem;
  }
  
  .service-card-body {
    padding: 2.2rem 1.8rem;
  }
}

@media (max-width: 768px) {
  .services-showcase {
    padding: 5rem 0;
  }
  
  .services-grid-modern {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .service-card-modern {
    border-radius: 14px;
  }
  
  .service-card-body {
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
  }

  /* 手机端卡片纵向排列 */
  .service-card-body > * {
    margin-bottom: 0 !important;
  }

  .service-card-body .service-icon-wrapper,
  .service-card-body .service-icon-circle,
  .service-card-body .service-icon-modern {
    width: 56px;
    height: 56px;
    font-size: 1.3rem;
    margin: 0 !important;
    flex-shrink: 0;
  }

  .service-card-body .service-card-title {
    font-size: 0.95rem;
    margin-bottom: 4px !important;
  }

  .service-card-body .service-card-divider {
    display: none;
  }

  .service-card-body .service-card-desc {
    font-size: 0.78rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: rgba(100, 116, 139, 0.85);
  }

  .service-link {
    font-size: 0.75rem;
    padding: 6px 14px;
    white-space: nowrap;
    flex-shrink: 0;
  }
}

/* 产品展示 */
.products-highlight {
  padding: 8rem 0;
  background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
  position: relative;
}

/* 产品网格 - 一行3个，2行 */
.products-grid-modern {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.product-card-modern {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
}

.product-card-modern:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(var(--primary-rgb), 0.18);
}

.product-card-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card-modern:hover .product-card-image img {
  transform: scale(1.08);
}

.product-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
}

.product-card-content {
  padding: 2rem;
}

.product-card-category {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.75rem;
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(var(--primary-rgb), 0.08);
  border-radius: 8px;
}

.product-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.product-card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

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

@media (max-width: 768px) {
  .products-highlight {
    padding: 4rem 0;
  }
  
  .products-grid-modern {
    grid-template-columns: 1fr;
  }
}

/* 案例展示 - 滚动展示 */
.cases-showcase {
  padding: 8rem 0;
  background: white;
  overflow: visible;
}

.cases-slider-wrapper {
  position: relative;
  margin-top: 4rem;
  overflow: visible;
  padding: 0 2rem 3rem;
}

.cases-slider-viewport {
  overflow: hidden;
}

.cases-slider-track {
  display: flex;
  gap: 2rem;
  transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-card-modern {
  flex: 0 0 calc(33.333% - 1.33rem);
  width: calc(33.333% - 1.33rem);
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  height: 400px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.case-card-modern:hover {
  transform: none;
  box-shadow: none;
}

.case-card-modern img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.case-card-modern:hover img {
  transform: scale(1.08);
}

.case-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
  color: white;
}

.case-card-content-wrapper {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.case-card-modern:hover .case-card-content-wrapper {
  transform: translateY(-10px);
}

.case-card-category {
  display: inline-block;
  padding: 0.5rem 1.2rem;
   background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.case-card-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: white;
}

.case-card-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
}

/* 滚动控制按钮 */
.cases-slider-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
  overflow: visible;
}

.cases-slider-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.1s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

html.dark-mode .cases-slider-btn {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.cases-slider-btn:hover {
  background: var(--primary);
  color: white;
  transform: scale(1.1);
}

/* 手机端：静态网格显示3个，不滚动 */
@media (max-width: 768px) {
  .cases-showcase {
    padding: 5rem 0;
  }
  
  .section-header-modern {
    padding: 0 1rem !important;
  }
  
  .cases-slider-wrapper {
    padding: 0 1rem;
  }
  
  .cases-slider-viewport {
    overflow: visible;
  }
  
  .cases-slider-track {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    transform: none !important;
  }
  
  .case-card-modern {
    flex: none;
    width: 100%;
    height: 260px;
  }
  
  .case-card-overlay {
    transform: translateY(0);
    opacity: 1;
    padding: 1rem;
  }
  
  .case-card-title {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
  }
  
  .case-card-desc {
    font-size: 0.8rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .case-card-category {
    font-size: 0.7rem;
    padding: 0.3rem 0.8rem;
    margin-bottom: 0.5rem;
  }
  
  /* 手机端隐藏控制按钮 */
  .cases-slider-controls {
    display: none;
  }
  
  /* Hero区域手机端 */
  .hero-modern {
    min-height: 100svh;
    height: 100svh;
  }
  
  .hero-content-wrapper {
    padding: 5rem 0 3rem;
  }
  
  .hero-title {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
    margin-bottom: 1.5rem;
  }
  
  .hero-description {
    font-size: 1rem;
    padding: 0 1rem;
  }
  
  .hero-badge {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
  }
  
  .hero-cta-group {
    flex-direction: column;
    padding: 0 1rem;
  }
  
  .btn-glow, .btn-ghost {
    width: 100%;
    max-width: 280px;
    justify-content: center;
    font-size: 0.88rem;
    padding: 0.9rem 2rem;
  }
}

/* 新闻动态 */
.news-showcase {
  padding: 8rem 0;
  background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.news-grid-modern {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.news-card-modern {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
}

.news-card-modern:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(var(--primary-rgb), 0.18);
}

.news-card-image {
  height: 220px;
  overflow: hidden;
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-card-modern:hover .news-card-image img {
  transform: scale(1.08);
}

.news-card-content {
  padding: 2rem;
}

.news-card-date {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.news-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.news-card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.news-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
color: var(--text-primary);
opacity: 0.8;
  font-weight: 700;
  transition: gap 0.2s ease;
  text-decoration: none;
}

.news-card-link:hover {
  gap: 1rem;
  color: var(--primary);
}

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

@media (max-width: 768px) {
  .news-showcase {
    padding: 4rem 0;
  }
  
  .news-grid-modern {
    grid-template-columns: 1fr;
  }
}

/* 合作伙伴 */
.partners-showcase {
  padding: 6rem 0;
  background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
  overflow: hidden;
}

.partners-slider-wrapper {
  position: relative;
  margin-top: 4rem;
  overflow: hidden;
  padding: 1rem 0;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.partners-slider-track {
  display: flex;
  gap: 3rem;
  animation: partnersScroll 30s linear infinite;
}

.partners-slider-track:hover {
  animation-play-state: paused;
}

@keyframes partnersScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.partner-item {
  flex: 0 0 auto;
  width: 180px;
  height: 100px;
  background: white;
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.1s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.partner-item:hover {
  box-shadow: 0 10px 30px rgba(var(--primary-rgb), 0.15);
  transform: translateY(-5px);
  border-color: rgba(var(--primary-rgb), 0.4);
}

.partner-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all 0.1s ease;
}

.partner-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

@media (max-width: 768px) {
  .partners-showcase {
    padding: 4rem 0;
  }
  
  .partners-slider-wrapper {
    overflow: visible;
    width: 100%;
    left: auto;
    right: auto;
    margin-left: 0;
    margin-right: 0;
    padding: 0 1rem;
  }
  
  .partners-slider-track {
    animation: none;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .partner-item {
    width: 100%;
    height: 80px;
    padding: 0.8rem;
  }
  
  .partner-item:nth-child(n+7) {
    display: none;
  }
}

/* CTA区域 */
.cta-modern {
  padding: 8rem 0;
  
  background-size: cover;
  background-attachment: fixed;
  position: relative;
  overflow: hidden;
}

.cta-modern::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content-modern {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: white;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.cta-desc {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 3rem;
  line-height: 1.8;
}

.cta-buttons-modern {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .cta-modern {
    padding: 4rem 0;
  }
  
  .cta-buttons-modern {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-glow, .btn-ghost {
    width: 100%;
    max-width: 300px;
    justify-content: center;
    font-size: 0.88rem;
    padding: 0.9rem 2rem;
  }
}

/* ========== 导航栏改造样式 ========== */
/* 桌面端：只有二级及以下菜单显示右侧箭头 */
@media (min-width: 1025px) {
  /* 一级菜单：使用::before来放箭头，不影响下划线 */
  .nav-menu > li.has-dropdown > a {
    padding-right: 1.25rem;
  }
  .nav-menu > li.has-dropdown > a::before {
    display: none !important;
  }
  
  /* 二级及以下菜单的箭头（右侧箭头） */
  .dropdown .has-dropdown > a {
    position: relative;
    padding-right: 2.5rem;
  }
  .dropdown .has-dropdown > a::after {
    content: '\f105' !important;
    font-family: 'Font Awesome 6 Free' !important;
    font-weight: 900 !important;
    position: absolute !important;
    right: 1rem !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    font-size: 0.75rem !important;
    color: var(--text-secondary) !important;
    display: inline-block !important;
  }
  .dropdown .has-dropdown:hover > a::after {
    color: var(--primary) !important;
  }
}

/* 多级下拉菜单支持 - 桌面端 */
@media (min-width: 1025px) {
  /* 二级下拉（已有） */
  .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    box-shadow: var(--shadow-hover);
    border-radius: 8px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.1s ease;
    z-index: 1001;
    list-style: none;
  }
  
  .has-dropdown:hover > .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  /* 三级下拉 - 向右展开 */
  .dropdown .dropdown {
    top: 0;
    left: 100%;
    margin-left: 2px;
  }
  
  /* 四级下拉 - 继续向右展开 */
  .dropdown .dropdown .dropdown {
    top: 0;
    left: 100%;
    margin-left: 2px;
  }
  
  /* 五级及更多 - 防止溢出屏幕 */
  .dropdown .dropdown .dropdown .dropdown {
    top: 0;
    left: 100%;
    margin-left: 2px;
  }
  
  /* 下拉菜单项样式 */
  .dropdown li {
    position: relative;
  }
  
  .dropdown li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.1s;
    font-size: 0.9rem;
  }
  
  .dropdown li a:hover {
    background: var(--bg-light);
    color: var(--primary);
    padding-left: 2rem;
  }
  
  /* 有子菜单的项添加指示器 */
  .dropdown .has-dropdown > a {
    position: relative;
    padding-right: 2.5rem;
  }
  
  .dropdown .has-dropdown > a::after {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: var(--text-secondary);
  }
}

/* 手机端导航菜单优化 */
@media (max-width: 1024px) {
  /* nav 的 position、width 等布局样式已在 style.css 中定义 */
  nav {
    background: white !important;
  }
  
  /* 移除首页激活状态的下划线（手机侧边栏不需要） */
  .nav-menu > li > a::after {
    display: none !important;
  }
  
  /* 隐藏 style.css 中定义的左侧箭头（::before），只保留右侧箭头（::after） */
  .has-dropdown > a::before,
  .dropdown .has-dropdown > a::before {
    display: none !important;
  }
  
  /* 菜单项样式 - 每级100%宽度 */
  .nav-menu > li,
  .dropdown li {
    width: 100%;
  }
  
  .nav-menu > li > a {
    color: #333 !important;
    font-weight: 500 !important;
    font-size: 0.98rem;
    padding: 1.05rem 3rem 1.05rem 1.2rem !important; /* 右边留空间给箭头 */
    border-bottom: 1px solid #f0f0f0;
    width: 100%;
    box-sizing: border-box;
    background: white !important;
  }
  
  /* 当前页高亮 */
  .nav-menu > li.nav-active > a {
    color: var(--primary) !important;
    font-weight: 600 !important;
  }
  
  .nav-menu > li > a:hover {
    color: var(--primary) !important;
  }
  
  /* 手机端下拉菜单样式 - 嵌套式背景 */
  .dropdown {
    position: static !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    box-shadow: none !important;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.1s ease;
    background: transparent !important;
    padding: 0 !important;
    border-radius: 0;
    min-width: 100%;
    width: 100%;
  }

  .has-dropdown.active > .dropdown {
    max-height: 2000px;
  }

  /* 一级子菜单 - 透明背景 */
  .nav-menu > li > .dropdown {
    background: transparent !important;
  }

  /* 所有层级的链接样式 */
  .dropdown li {
    width: 100% !important;
    background: transparent !important;
  }
  
  .dropdown li a {
    color: #444 !important;
    font-weight: 400 !important;
    padding: 0.85rem 2.5rem 0.85rem 1.8rem !important;
    border-bottom: 1px solid rgba(0,0,0,0.06) !important;
    font-size: 0.92rem;
    background: transparent !important;
    width: 100% !important;
    box-sizing: border-box;
    display: block !important;
    text-align: left !important;
  }
  
  /* 有子菜单的链接 */
  .dropdown li.has-dropdown > a {
    background: transparent !important;
  }
  
  .dropdown li a:hover {
    color: var(--primary) !important;
    background: rgba(var(--primary-rgb), 0.08) !important;
  }
  
  .dropdown .has-dropdown.active > a {
    color: var(--primary) !important;
    font-weight: 600 !important;
    background: rgba(var(--primary-rgb), 0.06) !important;
  }
  
  /* 二级子菜单 - 透明背景 */
  .dropdown .dropdown {
    background: transparent !important;
    margin-left: 0 !important;
    padding-left: 0 !important;
    border-top: 1px dashed rgba(0,0,0,0.1);
  }
  
  .dropdown .dropdown li a {
    padding-left: 2.6rem !important;
    padding-right: 2.5rem !important;
    font-size: 0.88rem;
    color: #555 !important;
    background: transparent !important;
    border-bottom-color: rgba(0,0,0,0.05) !important;
  }

  .dropdown .dropdown li.has-dropdown > a {
    background: transparent !important;
  }

  .dropdown .dropdown li a:hover {
    background: rgba(var(--primary-rgb), 0.08) !important;
  }

  .dropdown .dropdown .has-dropdown.active > a {
    background: rgba(var(--primary-rgb), 0.06) !important;
  }
  
  /* 三级子菜单 - 透明背景 */
  .dropdown .dropdown .dropdown {
    background: transparent !important;
    padding-left: 0 !important;
    border-top: 1px dashed rgba(0,0,0,0.12);
  }
  
  .dropdown .dropdown .dropdown li a {
    padding-left: 3.4rem !important;
    font-size: 0.84rem;
    color: #666 !important;
    background: transparent !important;
    border-bottom-color: rgba(0,0,0,0.04) !important;
  }
  
  /* 三级菜单的父菜单也要透明背景 */
  .dropdown .dropdown li.has-dropdown > a {
    background: transparent !important;
  }

  /* 四级菜单 - 透明背景 */
  .dropdown .dropdown .dropdown .dropdown {
    background: transparent !important;
    padding-left: 0 !important;
    border-top: 1px dashed rgba(0,0,0,0.14);
  }

  .dropdown .dropdown .dropdown .dropdown li a {
    padding-left: 4.2rem !important;
    font-size: 0.8rem;
    color: #777 !important;
    background: transparent !important;
  }
  
  /* 手机端下拉箭头指示器 - 使用绝对定位实现上下居中和右移 */
  .has-dropdown > a {
    position: relative;
    display: flex !important;
    align-items: center !important;
    width: 100% !important;
  }
  
  /* 一级菜单项的 has-dropdown 保持白色 */
  .nav-menu > li.has-dropdown > a {
    background: white !important;
  }

  /* 子菜单内的 has-dropdown 保持透明/对应层级背景 */
  .dropdown .has-dropdown > a {
    background: transparent !important;
  }
  
  .has-dropdown > a::after {
 
    font-family: inherit !important;
    font-weight: 400 !important;
    position: absolute !important; /* 使用绝对定位 */
    right: 2rem !important; /* 箭头向右移动 */
    top: 50% !important; /* 上下居中 */
    transform: translateY(-50%) !important; /* 垂直居中修正 */
    font-size: 0.75rem !important;
    color: #999 !important;
    transition: transform 0.1s ease !important;
    display: inline-block !important;
  }
  
  .has-dropdown.active > a::after {
    transform: translateY(-50%) rotate(180deg) !important; /* 保持垂直居中同时旋转 */
    color: var(--primary) !important;
  }
  
  /* 一级菜单的箭头位置 */
  .nav-menu > li.has-dropdown > a::after {
    right: 2rem !important;
  }
  
  /* 嵌套菜单的箭头 - 也使用绝对定位 */
  .dropdown .has-dropdown > a {
    position: relative;
    display: flex !important;
    align-items: center !important;
    width: 100% !important;
    background: white !important;
  }
  
  .dropdown .has-dropdown > a::after {
    content: '▼' !important;
    font-family: inherit !important;
    position: absolute !important;
    right: 2rem !important; /* 箭头向右移动 */
    top: 50% !important; /* 上下居中 */
    transform: translateY(-50%) !important; /* 垂直居中修正 */
    font-size: 0.7rem !important;
    color: #999 !important;
  }
  
  .dropdown .has-dropdown.active > a::after {
    transform: translateY(-50%) rotate(180deg) !important; /* 保持垂直居中同时旋转 */
    color: var(--primary) !important;
  }
}

/* 头部容器布局 */
.header .container {
  justify-content: flex-start;
  gap: 1rem;
}

/* 导航菜单靠右 */
nav {
  margin-left: auto;
}

/* 右侧操作按钮容器 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-left: 1.5rem;
}

.header-action-btn {
  background: var(--bg-light); border: 1px solid var(--border-light); color: inherit; font-size: 1.1rem;
  cursor: pointer; padding: 0.6rem; transition: all 0.1s; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  flex-shrink: 0;
}
.header-transparent .header-action-btn { 
  color: white; 
  background: rgba(255,255,255,0.1); 
  border-color: rgba(255,255,255,0.3);
}
.header:not(.header-transparent) .header-action-btn { 
  color: var(--text-primary); 
}
.header-action-btn:hover { 
  color: var(--primary); 
  background: rgba(128,128,128,0.15); 
  border-color: var(--primary);
}

/* 翻译切换器 */
.lang-switcher { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 6px; padding: 0;
  background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px; cursor: pointer; font-size: 1.1rem; color: white;
  transition: all 0.1s; line-height: 1;
  width: 38px; height: 38px;
  justify-content: center;
  flex-shrink: 0;
}
.header:not(.header-transparent) .lang-btn {
  color: var(--text-primary); border-color: var(--border-light); background: var(--bg-light);
}
.lang-btn:hover { 
  color: var(--primary); 
  background: rgba(128,128,128,0.15); 
  border-color: var(--primary);
}
.header:not(.header-transparent) .lang-btn:hover { 
  color: var(--primary); 
  background: rgba(128,128,128,0.15); 
  border-color: var(--primary);
}

.lang-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0; background: white;
  border-radius: 8px; box-shadow: var(--shadow-hover); overflow: hidden;
  opacity: 0; visibility: hidden; transform: translateY(-10px);
  transition: all 0.1s; min-width: 140px; z-index: 1002;
}
.lang-switcher.open .lang-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-item {
  display: block; padding: 10px 15px; text-decoration: none; color: var(--text-primary);
  transition: background 0.1s; cursor: pointer; font-size: 0.9rem;
}
.lang-item:hover { background: var(--bg-light); }
.lang-item.active { background: var(--primary); color: white; }

/* 搜索覆盖层 */
.search-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.85); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.search-overlay.active { opacity: 1; visibility: visible; }
.search-container { width: 90%; max-width: 600px; position: relative; }
.search-form {
  display: flex;
  align-items: center;
  background: white;
  border-radius: 50px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
  overflow: hidden;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}
.search-form:focus-within {
  border-color: #00d4aa;
  box-shadow: 0 0 0 3px rgba(0,212,170,0.1);
}
.search-input {
  flex: 1;
  padding: 1.3rem 1.6rem;
  font-size: 1rem;
  background: transparent;
  border: none;
  outline: none;
  color: #333;
}
.search-input::placeholder {
  color: #999;
}
.search-submit {
  background: linear-gradient(135deg, #00d4aa, #00b894);
  border: none;
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.search-submit:hover {
  background: linear-gradient(135deg, #00c49a, #00a884);
  transform: scale(1.08);
}
.search-close {
  position: absolute; right: -55px; top: 50%; transform: translateY(-50%);
  background: none; border: none; font-size: 1.6rem; cursor: pointer; color: rgba(255,255,255,0.6);
  transition: color 0.3s ease;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.search-close:hover {
  color: white;
}


/* 阅读进度条 */
    .reading-progress {
      position: fixed;
      top: 0;
      left: 0;
      width: 0%;
      height: 3px;
      background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
      z-index: 10000;
      transition: width 0.1s ease;
    }

    /* 公司简介区域 */
    .company-intro-section {
      padding: 120px 0;
      position: relative;
      overflow: hidden;
      background-color: #0a0a12;
    }

    /* 背景图 */
    .company-intro-section .intro-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.45;
    }

    .company-intro-section::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: linear-gradient(135deg, rgba(10,10,18,0.88) 0%, rgba(26,26,46,0.82) 40%, rgba(10,10,18,0.9) 100%);
      z-index: 1;
      pointer-events: none;
    }

    .company-intro-section::after {
      content: '';
      position: absolute;
      bottom: -20%;
      right: -15%;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(var(--primary-rgb), 0.1) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
      z-index: 2;
    }

    .company-intro-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 70px;
      align-items: stretch;
      position: relative;
      z-index: 3;
    }

 

    @keyframes introPulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.5); }
    }

    .company-intro-title {
      font-size: 2.6rem;
      font-weight: 900;
      color: #ffffff;
      margin-bottom: 28px;
      line-height: 1.25;
      position: relative;
      display: inline-block;
    }

    .company-intro-title::after {
      content: '';
      position: absolute;
      bottom: -8px;
      left: 0;
      width: 80px;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      border-radius: 2px;
    }

    .company-intro-desc {
      font-size: 1.05rem;
      color: rgba(255, 255, 255, 0.8);
      line-height: 2;
      margin-bottom: 16px;
    }

    /* 特色优势列表 */
    .company-intro-features {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 28px;
      margin-bottom: 32px;
    }

    .company-feature-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 20px;
      background: rgba(255,255,255,0.1);
      border-radius: 14px;
      font-size: 0.9rem;
      color: rgba(255,255,255,0.9);
      font-weight: 500;
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      backdrop-filter: blur(8px);
      box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    }

    .company-feature-tag i {
      color: var(--primary);
      font-size: 1rem;
      width: 20px;
      text-align: center;
    }

    .company-feature-tag:hover {
      transform: translateY(-2px);
      border-color: var(--primary);
      box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.25);
      color: white;
      background: rgba(var(--primary-rgb), 0.12);
    }

    .company-intro-text .btn-glow {
      margin-top: 16px;
    }

    /* 数据统计卡片 - 视频区域 */
    .company-intro-stats {
      display: block;
      position: relative;
      padding: 0;
      border-radius: 0;
      background: transparent;
      box-shadow: none;
      overflow: hidden;
    }

    .company-intro-stats::before,
    .company-intro-stats::after {
      display: none;
    }

    .intro-stat-item {
      text-align: center;
      color: white;
      padding: 20px 12px;
      position: relative;
      border-radius: 18px;
      background: rgba(255,255,255,0.08);
      backdrop-filter: blur(10px);
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      cursor: default;
    }

    .intro-stat-item:hover {
      background: rgba(255,255,255,0.15);
      transform: translateY(-4px);
      box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    }

    .intro-stat-number {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.15;
      margin-bottom: 6px;
      position: relative;
      display: inline-block;
    }

    .intro-stat-number::after {
      content: '+';
      font-size: 1.4rem;
      font-weight: 800;
      opacity: 0.9;
      margin-left: 2px;
    }

    .intro-stat-label {
      font-size: 0.88rem;
      opacity: 0.92;
      font-weight: 500;
      letter-spacing: 1px;
    }

    /* 分隔线装饰 */
    .intro-stat-item:not(:nth-child(2n)):not(:nth-child(3))::before {
      content: '';
      position: absolute;
      right: 0;
      top: 20%;
      height: 60%;
      width: 1px;
      background: rgba(255,255,255,0.15);
    }

    .intro-stat-item:nth-child(-n+2)::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 20%;
      right: 20%;
      height: 1px;
      background: rgba(255,255,255,0.15);
    }

    @media (max-width: 1024px) {
      .company-intro-content {
        grid-template-columns: 1fr;
        gap: 55px;
      }
      .company-intro-title { font-size: 2.2rem; }
      .company-intro-stats { max-width: 100%; margin: 0; justify-self: stretch; }
    }

    @media (max-width: 768px) {
      .company-intro-section { padding: 60px 0; }
      .company-intro-title { font-size: 1.85rem; }
      .intro-stat-number { font-size: 2.2rem; }
      .company-intro-stats { gap: 12px;  }
      .company-intro-features { 
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px; 
      }
      .company-feature-tag { 
        padding: 10px 8px; 
        font-size: 0.78rem;
        width: 100%;
        justify-content: center;
      }
      .company-intro-text {
        text-align: center;
      }
      .company-intro-title::after {
        left: 50%;
        transform: translateX(-50%);
      }
      .company-intro-text .btn-glow {
        width: 100%;
        justify-content: center;
      }
    }

    /* 公司简介 - 深色模式（保持不变，本身已是深色背景） */
    html.dark-mode .company-intro-section {
      background-color: #0a0a12;
    }

    html.dark-mode .company-intro-section .intro-bg {
      opacity: 0.35;
    }

    html.dark-mode .company-intro-desc {
      color: rgba(255,255,255,0.75);
    }

  

    html.dark-mode .company-feature-tag {
      background: rgba(255,255,255,0.07);
      border-color: rgba(255,255,255,0.14);
      color: rgba(255,255,255,0.85);
    }

    html.dark-mode .company-feature-tag {
      background: rgba(22, 27, 34, 0.9);
      border-color: rgba(var(--primary-rgb), 0.25);
      color: #c9d1d9;
    }

    html.dark-mode .company-feature-tag:hover {
      border-color: var(--primary);
      box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.25);
      color: var(--primary);
      background: rgba(var(--primary-rgb), 0.08);
    }

/* 手机端优化 - 隐藏搜索框、显示汉堡菜单、禁止左右滑动 */
@media (max-width: 768px) {
  .search-btn { display: none !important; }
  .mobile-menu-btn { display: flex !important; margin-left: auto; margin-right: 1rem; }
  body { overflow-x: hidden !important; }
  html { overflow-x: hidden !important; }
}

/* 懒加载视频样式 */
.lazy-video-container {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 350px;
  border-radius: 0;
  overflow: hidden;
  background: transparent;
}

.lazy-video-poster {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.lazy-video-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lazy-video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.9);
  background: rgba(var(--primary-rgb), 0.85);
  color: white;
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.lazy-video-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  background: rgba(var(--primary-rgb), 1);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.lazy-video-play-btn i {
  margin-left: 4px;
}

.lazy-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}

@media (max-width: 768px) {
  .lazy-video-play-btn {
    width: 60px;
    height: 60px;
    font-size: 22px;
  }
}

/* ==================== 移动端导航菜单 ==================== */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #ffffff;
  z-index: 99998;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav-overlay.active {
  display: block;
  animation: mobileNavIn 0.3s ease;
}

@keyframes mobileNavIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #e2e8f0;
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1;
}

.mobile-nav-title {
  font-size: 18px;
  font-weight: 700;
  color: #1f2937;
}

.mobile-nav-close {
  width: 36px;
  height: 36px;
  border: none;
  background: #f1f5f9;
  border-radius: 50%;
  color: #64748b;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.mobile-nav-close:hover,
.mobile-nav-close:active {
  background: var(--primary-color);
  color: #ffffff;
}

.mobile-nav-body {
  padding: 8px 0 24px;
}

.mobile-nav-body > li {
  border-bottom: 1px solid #f1f5f9;
}

.mobile-nav-body > li > a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  font-size: 17px;
  font-weight: 500;
  color: #1f2937;
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.mobile-nav-body > li > a:active {
  background: #f8fafc;
}

.mobile-nav-body > li.nav-active > a {
  color: var(--primary-color);
  font-weight: 600;
}

.mobile-nav-body > li.has-dropdown > a::after {
  display: none !important;
}

.mobile-nav-body > li.open > a::after {
  display: none !important;
}

.mobile-nav-arrow {
  font-size: 12px;
  color: #94a3b8;
  transition: transform 0.25s ease;
  width: 20px;
  text-align: center;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.mobile-nav-body > li.open > a .mobile-nav-arrow {
  transform: translateY(-50%) rotate(180deg);
}

.mobile-nav-sub {
  display: none;
  background: #ffffff;
  width: 100%;
}

.mobile-nav-body > li.open > .mobile-nav-sub {
  display: block;
}

.mobile-nav-sub a {
  display: block;
  padding: 12px 50px 12px 36px;
  font-size: 15px;
  color: #64748b;
  text-decoration: none;
  border-bottom: 1px solid #e2e8f0;
  transition: all 0.2s ease;
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.mobile-nav-sub a .mobile-nav-arrow {
  right: 20px;
}

.mobile-nav-sub a.sub-open .mobile-nav-arrow {
  transform: translateY(-50%) rotate(180deg) !important;
}

.mobile-nav-sub a:active {
  background: #e2e8f0;
  color: var(--primary-color);
}

.mobile-nav-sub-sub {
  background: #ffffff !important;
  width: 100%;
}

.mobile-nav-sub-sub a {
  padding-left: 56px !important;
  font-size: 14px !important;
  color: #94a3b8 !important;
  background: #ffffff !important;
  width: 100% !important;
  padding-right: 20px !important;
}

/* 黑暗模式下的移动端导航 */
body.dark-mode .mobile-nav-overlay {
  background: #0f172a;
}

body.dark-mode .mobile-nav-header {
  background: #0f172a;
  border-bottom-color: #334155;
}

body.dark-mode .mobile-nav-title {
  color: #e2e8f0;
}

body.dark-mode .mobile-nav-close {
  background: #1e293b;
  color: #cbd5e1;
}

body.dark-mode .mobile-nav-close:hover,
body.dark-mode .mobile-nav-close:active {
  background: var(--primary-color);
  color: #ffffff;
}

body.dark-mode .mobile-nav-body > li {
  border-bottom-color: #1e293b;
}

body.dark-mode .mobile-nav-body > li > a {
  color: #cbd5e1;
}

body.dark-mode .mobile-nav-body > li > a:active {
  background: #1e293b;
}

body.dark-mode .mobile-nav-body > li.nav-active > a {
  color: var(--primary-color);
}

body.dark-mode .mobile-nav-sub {
  background: #1e293b;
}

body.dark-mode .mobile-nav-sub a {
  color: #cbd5e1;
  border-bottom-color: #334155;
}

body.dark-mode .mobile-nav-sub a:active {
  background: #334155;
  color: var(--primary-color);
}

body.dark-mode .mobile-nav-sub-sub {
  background: #1e293b !important;
}

body.dark-mode .mobile-nav-sub-sub a {
  background: #1e293b !important;
  color: #cbd5e1 !important;
  border-bottom-color: #334155 !important;
}

body.dark-mode .mobile-nav-arrow {
  color: #94a3b8;
}