/* 科技风格网站样式 - 优化版 */
:root {
  --primary: #00f3ff;
  --secondary: #0066ff;
  --dark-bg: #0a0a1a;
  --darker-bg: #050510;
  --light: #ffffff;
  --gray: #b8b8b8;
  --card-bg: rgba(255, 255, 255, 0.02);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --footer-height: 40px;
  --navbar-height: 72px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 隐藏滚动条 */
::-webkit-scrollbar {
  display: none;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
  background-color: var(--dark-bg);
  color: var(--light);
  overflow: hidden;
  position: relative;
  -ms-overflow-style: none;
  scrollbar-width: none;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.3px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  /* 性能优化 */
  will-change: scroll-position;
  contain: layout style paint;
  height: 100vh;
  margin: 0;
  padding: 0;
}

/* 顶部检测区域 */
.top-detection-area {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px; /* 检测区域高度 */
  z-index: 99;
  /* 移除 pointer-events: none，否则无法触发鼠标事件 */
}

/* 萤火星光背景容器 */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100vh;
  background-color: rgba(5, 5, 16, 0.9);
  top: 0;
  left: 0;
  z-index: -1;
  will-change: transform;
  transform: translateZ(0);
  pointer-events: none;
  overflow: hidden;
}

/* 萤火星光粒子 */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary), 0 0 20px var(--primary);
  pointer-events: none;
  z-index: -1;
  will-change: transform;
  transform: translateZ(0);
}

/* 主要内容区域 */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
  box-sizing: border-box;
  height: calc(100vh - var(--footer-height));
  overflow-y: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
  padding-top: var(--navbar-height);
  padding-bottom: 20px;
}

/* 水平页面容器 */
.horizontal-page-container {
  display: flex;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.page-section {
  min-width: 100%;
  height: auto;
  padding: 32px 0;
  scroll-snap-align: start;
  display: block;
  overflow-y: visible;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.page-section::-webkit-scrollbar {
  display: none;
}

.page-section.active {
  display: flex;
}

/* 首页横幅区域特殊处理 */
.page-section .hero {
  padding-top: 0; /* 首页横幅区域已经为导航栏留出了空间 */
}

/* 导航栏 */
.navbar {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 24px 32px;
  position: fixed;
  top: 0;
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 100;
  border-bottom: 1px solid rgba(0, 243, 255, 0.15);
  width: 100%;
  letter-spacing: 0.5px;
  line-height: 1.6;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  will-change: transform;
  transform: translateZ(0);
  height: auto;
  box-sizing: border-box;
}

/* 导航栏隐藏类 */
.navbar.hidden {
  top: -80px;
}

/* 鼠标悬停时显示导航栏 */
.navbar:hover {
  top: 0;
}

/* 顶部检测区域触发导航栏显示 */
.top-detection-area:hover ~ .navbar {
  top: 0;
}

.navbar .container {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  max-width: 100%;
  width: 100%;
  padding: 0 20px;
}

.nav-brand {
  font-size: 24px;
  font-weight: bold;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-right: 30px;
  /* 增加品牌名称的空间感 */
  letter-spacing: 1.5px;
  line-height: 1.6;
  /* LOGO和文字布局 */
  display: flex;
  align-items: center;
  gap: 15px;
}

/* LOGO图片样式 - 正方形 */
.brand-logo {
  width: 40px;
  height: 40px;
  object-fit: cover;
  transition: var(--transition);
  border-radius: 8px;
}

.brand-logo:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* 品牌文字样式 */
.brand-text {
  font-size: 24px;
  font-weight: bold;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1.5px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-item {
  margin: 0;
}

.nav-link {
  color: var(--light);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  padding: 10px 20px;
  letter-spacing: 0.5px;
  line-height: 1.6;
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  display: inline-block;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(0, 243, 255, 0.08);
}

/* 渐变文字效果 */
.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 英雄区域 */
.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  min-height: calc(100vh - var(--footer-height) - var(--navbar-height));
  padding: 0 20px;
  width: 100%;
  box-sizing: border-box;
}

.hero-title {
  font-size: 3.2rem;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--primary), var(--secondary), #ff00ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: float 3s ease-in-out infinite;
  letter-spacing: 1px;
  line-height: 1.3;
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.35rem;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.5px;
  line-height: 1.7;
  font-weight: 400;
  max-width: 700px;
}

.cta-button {
  padding: 15px 40px;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  /* 增加按钮文字的空间感 */
  letter-spacing: 1px;
  /* 添加彩虹光晕效果 - 持续向外扩散 */
  box-shadow: 
    0 0 20px rgba(255, 0, 255, 0.6),
    0 0 40px rgba(0, 255, 255, 0.4),
    0 0 60px rgba(255, 255, 0, 0.3);
  animation: rainbow-glow-pulse 3s ease-out infinite;
}

/* 彩虹光晕持续扩散动画 */
@keyframes rainbow-glow-pulse {
  0% {
    box-shadow: 
      0 0 20px rgba(255, 0, 255, 0.6),
      0 0 40px rgba(0, 255, 255, 0.4),
      0 0 60px rgba(255, 255, 0, 0.3);
  }
  25% {
    box-shadow: 
      0 0 30px rgba(255, 255, 0, 0.7),
      0 0 60px rgba(0, 255, 0, 0.5),
      0 0 90px rgba(255, 0, 255, 0.4);
  }
  50% {
    box-shadow: 
      0 0 40px rgba(255, 0, 0, 0.7),
      0 0 80px rgba(0, 0, 255, 0.5),
      0 0 120px rgba(0, 255, 255, 0.4);
  }
  75% {
    box-shadow: 
      0 0 30px rgba(0, 255, 255, 0.7),
      0 0 60px rgba(255, 0, 255, 0.5),
      0 0 90px rgba(255, 255, 0, 0.4);
  }
  100% {
    box-shadow: 
      0 0 20px rgba(0, 255, 0, 0.6),
      0 0 40px rgba(255, 255, 0, 0.4),
      0 0 60px rgba(255, 0, 255, 0.3);
  }
}

.cta-button:hover {
  background: rgba(0, 243, 255, 0.1);
  transform: translateY(-3px);
  /* 悬停时光晕效果增强 */
  box-shadow: 
    0 0 30px rgba(255, 0, 255, 0.8),
    0 0 60px rgba(0, 255, 255, 0.6),
    0 0 90px rgba(255, 255, 0, 0.5);
}

/* 视频模态框样式 */
.video-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
}

.video-modal-content {
  position: relative;
  width: 80%;
  max-width: 800px;
  height: 80%;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.video-modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  color: var(--primary);
  font-size: 24px;
  cursor: pointer;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.video-modal-close:hover {
  background: rgba(0, 243, 255, 0.1);
  transform: rotate(90deg);
}

.video-modal-placeholder {
  width: 90%;
  height: 80%;
  background: linear-gradient(45deg, var(--darker-bg), var(--dark-bg));
  border: 2px dashed var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  text-align: center;
}

.video-modal-title {
  color: var(--primary);
  margin-top: 20px;
  font-size: 1.8rem;
  text-align: center;
}

/* 头牌功能区域 - 居中排列 */
.feature-section, .bottom-feature-section {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
  padding: 50px 20px;
  margin-top: 50px;
  transform: scale(1.5) translateY(-100px);
  transform-origin: center bottom;
  will-change: transform;
  margin-bottom: var(--footer-height);
}

.feature-card {
  background: var(--glass-bg);
  border-radius: var(--radius);
  padding: 30px;
  border: 1px solid var(--glass-border);
  /* 移除磨砂玻璃效果 */
  width: 250px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(0, 243, 255, 0.1);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 243, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.feature-card.active {
  background: rgba(0, 243, 255, 0.15);
  border: 1px solid var(--primary);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--light);
}

.feature-card p {
  color: var(--gray);
  line-height: 1.6;
}

/* 横向溢出内容区域 */
.horizontal-content {
  display: none;
  padding: 40px 20px;
  background: rgba(10, 10, 26, 0.5);
  border-radius: var(--radius);
  margin: 30px 0;
  transition: all 0.5s ease;
  /* 移除磨砂玻璃效果 */
  border: 1px solid var(--glass-border);
}

.horizontal-content.active {
  display: block;
  animation: slideIn 0.5s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* 关于我们页面填充 */
#about-page {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100vh;
  height: 100vh;
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
}

/* 关于我们内容区域 - 固定高度并支持滚动 */
.about-content {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 30px;
  padding-right: 10px;
  /* 隐藏滚动条 */
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.about-content::-webkit-scrollbar {
  display: none;
}

.about-content::-webkit-scrollbar-track {
  display: none;
}

.about-content::-webkit-scrollbar-thumb {
  display: none;
}

/* 时间轴样式 */
.timeline {
  position: relative;
  padding: 13px 0; /* 2/3: 20 * 2/3 ≈ 13 */
  max-height: 333px; /* 2/3: 500 * 2/3 ≈ 333 */
  overflow-y: auto;
  /* 隐藏滚动条 */
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent; /* 隐藏竖线 */
  left: 58px;
  margin-left: -1.5px;
  box-shadow: none; /* 移除阴影 */
}

.timeline-item {
  position: relative;
  margin-bottom: 17px; /* 2/3: 25 * 2/3 ≈ 17 */
  padding-left: 140px;
  padding-right: 20px;
}

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

.timeline-date {
  position: absolute;
  left: 0;
  top: 3px; /* 2/3: 5 * 2/3 ≈ 3 */
  width: auto;
  min-width: 60px; /* 2/3: 90 * 2/3 = 60 */
  max-width: 73px; /* 2/3: 110 * 2/3 ≈ 73 */
  height: auto;
  background: linear-gradient(135deg, rgba(0, 243, 255, 0.12) 0%, rgba(0, 102, 255, 0.08) 100%);
  border: 2px solid var(--primary);
  border-radius: 7px; /* 2/3: 10 * 2/3 ≈ 7 */
  padding: 7px 9px; /* 2/3: 10 * 2/3 ≈ 7, 14 * 2/3 ≈ 9 */
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: bold;
  font-size: 0.63rem; /* 2/3: 0.95rem * 2/3 ≈ 0.63rem */
  text-align: center;
  box-shadow: 0 0 13px rgba(0, 243, 255, 0.3), 
              inset 0 0 10px rgba(0, 243, 255, 0.08),
              0 2px 8px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
  backdrop-filter: blur(7px); /* 2/3: 10 * 2/3 ≈ 7 */
  -webkit-backdrop-filter: blur(7px);
  transition: all 0.3s ease;
  letter-spacing: 0.5px; /* 2/3: 0.8 * 2/3 ≈ 0.5 */
  line-height: 1.2;
}

.timeline-date:hover {
  transform: scale(1.08) translateY(-1.3px); /* 2/3: 2 * 2/3 ≈ 1.3 */
  box-shadow: 0 0 23px rgba(0, 243, 255, 0.5), 
              inset 0 0 17px rgba(0, 243, 255, 0.12),
              0 4px 13px rgba(0, 0, 0, 0.4);
  background: linear-gradient(135deg, rgba(0, 243, 255, 0.18) 0%, rgba(0, 102, 255, 0.12) 100%);
}

.timeline-content {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid rgba(0, 243, 255, 0.15);
  border-radius: 7px; /* 2/3: 10 * 2/3 ≈ 7 */
  padding: 10px 12px; /* 2/3: 15 * 2/3 = 10, 18 * 2/3 = 12 */
  transition: all 0.3s ease;
  backdrop-filter: blur(3px); /* 2/3: 5 * 2/3 ≈ 3 */
  -webkit-backdrop-filter: blur(3px);
  position: relative;
  overflow: hidden;
  max-width: 100%;
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.timeline-content:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 17px rgba(0, 243, 255, 0.15); /* 2/3: 8 * 2/3 ≈ 5, 25 * 2/3 ≈ 17 */
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  border-color: rgba(0, 243, 255, 0.3);
}

.timeline-content:hover::before {
  opacity: 1;
}

.timeline-content h3 {
  color: var(--primary);
  margin-bottom: 5px; /* 2/3: 8 * 2/3 ≈ 5 */
  font-size: 0.8rem; /* 2/3: 1.2rem * 2/3 = 0.8rem */
  font-weight: 600;
  letter-spacing: 0.3px; /* 2/3: 0.5 * 2/3 ≈ 0.3 */
}

.timeline-content p {
  color: var(--gray);
  line-height: 1.4; /* 2/3: 1.6 * 2/3 ≈ 1.4 */
  margin-bottom: 0;
  font-size: 0.63rem; /* 2/3: 0.95rem * 2/3 ≈ 0.63rem */
  letter-spacing: 0.2px; /* 2/3: 0.3 * 2/3 = 0.2 */
}

/* 区块样式 */
.section-title {
  text-align: center;
  font-size: 2.25rem;
  margin-bottom: 48px;
  position: relative;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.3;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

.content-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(0, 243, 255, 0.15);
}

.content-card p {
  margin-bottom: 20px;
  line-height: 1.8;
  color: var(--gray);
  font-size: 15px;
}

/* 底部功能模块区域 */
.bottom-feature-section {
  display: none; /* 默认隐藏 */
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 112px; /* 设置为功能组件宽度 */
  padding: 14px 14px;
  width: 100%;
  transition: all 0.3s ease;
  margin-top: 21px;
}

.bottom-feature-section .feature-card {
  background: var(--glass-bg);
  border-radius: var(--radius);
  padding: 14px; /* 0.7倍大小: 20 * 0.7 */
  border: 1px solid var(--glass-border);
  /* 移除磨砂玻璃效果 */
  width: 112px; /* 0.7倍大小: 160 * 0.7 */
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  /* 增加卡片内容的空间感 */
  letter-spacing: 0.3px;
  line-height: 1.3;
  box-shadow: 0 3.5px 14px rgba(0, 243, 255, 0.1); /* 0.7倍大小: 5 * 0.7, 20 * 0.7 */
}

.bottom-feature-section .feature-card:hover {
  transform: translateY(-2.8px); /* 0.7倍大小: 4 * 0.7 */
  box-shadow: 0 7px 21px rgba(0, 243, 255, 0.2); /* 0.7倍大小: 10 * 0.7, 30 * 0.7 */
  background: rgba(255, 255, 255, 0.07);
}

.bottom-feature-section .feature-card.active {
  background: rgba(0, 243, 255, 0.13);
  border: 1px solid var(--primary);
}

.bottom-feature-section .feature-icon {
  font-size: 1.4rem; /* 0.7倍大小: 2rem * 0.7 */
  margin-bottom: 7px; /* 0.7倍大小: 10 * 0.7 */
  color: var(--primary);
}

.bottom-feature-section .feature-card h3 {
  font-size: 0.98rem; /* 0.7倍大小: 1.4rem * 0.7 */
  margin-bottom: 5px; /* 0.7倍大小: 7 * 0.7 */
  color: var(--light);
  /* 增加卡片标题的空间感 */
  letter-spacing: 0.7px;
  line-height: 1.2;
}

.bottom-feature-section .feature-card p {
  color: var(--gray);
  line-height: 1.2;
  font-size: 0.7rem; /* 0.7倍大小: 1rem * 0.7 */
  /* 增加卡片描述的空间感 */
  letter-spacing: 0.3px;
}

/* 仅在关于我们页面显示功能模块 */
#about-page .bottom-feature-section {
  display: flex;
}

/* 移除首页的功能模块显示规则 */
/* #home-page .bottom-feature-section {
  display: flex;
} */

/* 功能模块详细信息面板 */
.feature-detail-panel {
  display: none;
  background: linear-gradient(135deg, rgba(10, 10, 26, 0.95) 0%, rgba(5, 5, 16, 0.9) 100%);
  border-radius: 15px;
  padding: 30px;
  margin-bottom: 40px; /* 下边距，与功能模块分开 */
  border: 2px solid var(--primary);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  transition: all 0.3s ease;
  box-shadow: 0 10px 40px rgba(0, 243, 255, 0.2), inset 0 0 30px rgba(0, 243, 255, 0.05);
}

.feature-detail-panel .detail-title {
  color: var(--primary);
  margin-bottom: 20px;
  font-size: 2rem;
  font-weight: 600;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  text-align: center;
  text-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
}

.feature-detail-panel .detail-content {
  color: var(--gray);
  line-height: 1.8;
  font-size: 1.1rem;
  text-align: justify;
  letter-spacing: 0.5px;
}

.feature-detail-panel .close-button {
  margin-top: 25px;
  padding: 12px 30px;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
  font-weight: 500;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.feature-detail-panel .close-button:hover {
  background: rgba(0, 243, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 243, 255, 0.3);
}

/* 产品页：仿企业文化的UI排布（全宽、居中、三卡横排） */
.page-products .section-title { display: none; }
.page-products .container { max-width: none; width: 100%; padding-left: 60px; padding-right: 60px; }
.page-products .page-section { padding-top: 0; justify-content: center; align-items: center; min-height: calc(100vh - var(--navbar-height) - var(--footer-height)); width: 100%; }
.page-products .product-grid { grid-template-columns: repeat(3, minmax(320px, 1fr)); gap: 30px; width: 100%; transform: scale(0.8333); transform-origin: center; }
.page-products .product-card.card { padding: 54px 36px; min-height: 420px; }
.page-products .product-title { font-size: 1.6rem; }
.page-products .product-description { font-size: 15.5px; }

/* 下载中心页：仿企业文化的UI排布（全宽、居中、三卡横排） */
.page-downloads .section-title { display: none; }
.page-downloads .container { max-width: none; width: 100%; padding-left: 60px; padding-right: 60px; }
.page-downloads .page-section { padding-top: 0; justify-content: center; align-items: center; min-height: calc(100vh - var(--navbar-height) - var(--footer-height)); width: 100%; }
.page-downloads .download-grid { grid-template-columns: repeat(3, minmax(320px, 1fr)); gap: 30px; width: 100%; transform: scale(0.8333); transform-origin: center; }
.page-downloads .card { padding: 54px 36px; min-height: 420px; }
.page-downloads .card h3 { font-size: 1.6rem; }
.page-downloads .card p { font-size: 15.5px; }

/* 合作展示页：仿企业文化的UI排布（全宽、居中、三卡横排） */
.page-cooperation .section-title { display: none; }
.page-cooperation .container { max-width: none; width: 100%; padding-left: 60px; padding-right: 60px; }
.page-cooperation .page-section { padding-top: 0; justify-content: center; align-items: center; min-height: calc(100vh - var(--navbar-height) - var(--footer-height)); width: 100%; }
.page-cooperation .partners-grid { grid-template-columns: repeat(3, minmax(320px, 1fr)) !important; gap: 30px !important; width: 100%; transform: scale(0.8333); transform-origin: center; }
.page-cooperation .partner-card { min-height: 420px; }

/* 联系我们页：仿企业文化的UI排布（全宽、居中、三列网格） */
.page-contact .section-title { display: none; }
.page-contact .container { max-width: none; width: 100%; padding-left: 60px; padding-right: 60px; }
.page-contact .page-section { padding-top: 0; justify-content: center; align-items: center; min-height: calc(100vh - var(--navbar-height) - var(--footer-height)); width: 100%; }
.page-contact .contact-container { display: grid; grid-template-columns: repeat(3, minmax(320px, 1fr)); gap: 30px; width: 100%; transform: scale(0.8333); transform-origin: center; }
.page-contact .contact-info, .page-contact .contact-form { background: var(--card-bg); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 36px; }

.culture-grid {
  grid-template-columns: repeat(3, minmax(320px, 1fr));
  justify-items: stretch;
  align-items: stretch;
  justify-content: center;
  gap: 30px;
}

/* 企业文化页：隐藏标题，居中与放大处理（全宽适配） */
.page-culture .section-title { display: none; }
.page-culture .container { max-width: none; width: 100%; padding-left: 60px; padding-right: 60px; }
.page-culture .page-section { padding-top: 0; justify-content: center; align-items: center; min-height: calc(100vh - var(--navbar-height) - var(--footer-height)); width: 100%; }
.page-culture .culture-grid { transform: scale(0.8333); transform-origin: center; width: 100%; }
.page-culture .culture-card.card { padding: 54px 36px; min-height: 420px; }
.page-culture .card h3 { font-size: 1.6rem; }
.page-culture .card p { font-size: 15.5px; }
.page-culture .culture-card .culture-card-content { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.page-culture .culture-card .text { flex: 1; text-align: center; }
.page-culture .culture-card .culture-image { width: 320px; height: 240px; border: 2px dashed var(--primary); border-radius: var(--radius); background: rgba(0, 243, 255, 0.08); overflow: hidden; }
.page-culture .culture-card .culture-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.page-culture .culture-card .culture-image.left { order: 0; }
.page-culture .culture-card .culture-image.right { order: 2; }

.product-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.download-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.values-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.work-philosophy {
  margin: 20px 0;
}

.work-philosophy p {
  margin-bottom: 10px;
  color: var(--gray);
  line-height: 1.6;
}

.culture-content {
  margin-top: 40px;
}

.culture-content h3 {
  color: var(--primary);
  margin: 25px 0 15px 0;
  font-size: 1.8rem;
}

.culture-content p {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 15px;
}

.value-item h4 {
  color: var(--primary);
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.value-item p {
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 0;
  font-size: 0.9rem;
}

/* 卡片通用样式 */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(0, 243, 255, 0.2);
}

.card h3 {
  font-size: 1.35rem;
  margin-bottom: 16px;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.card p {
  color: var(--gray);
  line-height: 1.75;
  font-size: 14.5px;
}

/* 产品展示 */
.product-card {
  overflow: hidden;
  padding: 0;
}

.product-image {
  height: 250px;
  background: linear-gradient(45deg, var(--darker-bg), var(--dark-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* 产品视频样式 */
.product-image video,
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-placeholder {
  width: 80%;
  height: 80%;
  background: rgba(0, 243, 255, 0.1);
  border: 2px dashed var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.product-content {
  padding: 24px;
}

.product-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
  color: var(--light);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.product-description {
  color: var(--gray);
  line-height: 1.75;
  font-size: 14.5px;
}

/* 产品详情板块 */
.product-details-grid {
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  margin-top: 50px;
  gap: 30px;
  width: 100%;
}

.product-detail-card {
  overflow: hidden;
  padding: 0;
  text-align: left;
  display: flex;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.product-detail-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 243, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
}

.detail-image {
  width: 45%;
  height: 250px;
  background: linear-gradient(45deg, var(--darker-bg), var(--dark-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.detail-content {
  padding: 28px;
  width: 55%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.detail-title {
  font-size: 1.4rem;
  margin-bottom: 16px;
  color: var(--primary);
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.detail-description {
  color: var(--gray);
  line-height: 1.8;
  text-align: center;
  font-size: 15px;
}

/* 轮播图样式 */
.carousel-container {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.carousel-slide {
  width: 100%;
  height: 100%;
  position: relative;
}

.carousel-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.carousel-item.active {
  opacity: 1;
}

.carousel-item .video-placeholder {
  width: 100%;
  height: 100%;
}

/* 轮播图中的视频和图片样式 */
.carousel-item video,
.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-indicators {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
}

.indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background 0.3s ease;
}

.indicator.active {
  background: var(--primary);
}

/* 下载按钮 */
.download-button {
  display: inline-block;
  padding: 12px 30px;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
  margin-top: 15px;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.download-button:hover {
  background: rgba(0, 243, 255, 0.1);
}

/* 联系我们 */
.contact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-item h3 {
  color: var(--primary);
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.contact-item p {
  color: var(--gray);
  line-height: 1.6;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 80px; /* 向下移动，与左侧内容对齐 */
}

.form-input,
.form-textarea {
  padding: 15px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  color: var(--light);
  font-size: 1rem;
  transition: var(--transition);
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  /* 移除磨砂玻璃效果 */
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
  background: rgba(255, 255, 255, 0.12);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-button {
  padding: 15px;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  align-self: flex-start;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.form-button:hover {
  background: rgba(0, 243, 255, 0.1);
  transform: translateY(-3px);
}

/* 页脚 */
.footer {
  text-align: center;
  padding: 8px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--gray);
  margin-top: 0;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  position: fixed;
  bottom: 0;
  width: 100%;
  background: rgba(5, 5, 16, 0.9);
  z-index: 10;
  box-sizing: border-box;
  height: var(--footer-height);
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-size: 11px;
  line-height: 1.2;
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 0;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  font-size: 11px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 5px;
}

.footer-links a:hover {
  color: var(--primary);
  background: rgba(0, 243, 255, 0.1);
  transform: translateY(-2px);
}

.footer p {
  margin: 0;
  font-size: 12px;
  display: none;
}

/* 动画效果 */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

/* 响应式设计 */
@media (max-width: 768px) {
  body {
    font-size: 15px;
  }
  
  .container {
    padding: 0 20px;
    padding-top: 70px;
  }
  
  .navbar {
    padding: 16px 20px;
  }
  
  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
  }
  
  .nav-link {
    padding: 8px 14px;
    font-size: 14px;
  }
  
  .hero-title {
    font-size: 2.2rem;
    letter-spacing: 0.5px;
  }
  
  .hero-subtitle {
    font-size: 1.15rem;
  }
  
  .section-title {
    font-size: 1.85rem;
    margin-bottom: 36px;
  }
  
  .grid {
    gap: 16px;
  }
  
  .card {
    padding: 20px;
  }
  
  .card h3 {
    font-size: 1.2rem;
  }
  
  .card p {
    font-size: 14px;
  }
  
  .product-detail-card {
    flex-direction: column;
  }
  
  .detail-image {
    width: 100%;
    height: 200px;
  }
  
  .detail-content {
    width: 100%;
    padding: 20px;
  }
  
  .detail-title {
    font-size: 1.25rem;
  }
  
  .detail-description {
    font-size: 14px;
  }
}

/* 下载中心分类标题 */
.download-category-title {
  text-align: center;
  font-size: 1.8rem;
  margin: 40px 0 20px 0;
  color: var(--primary);
  position: relative;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.download-category-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 2px;
  background: var(--primary);
}

/* 下载卡片图标 */
.download-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--primary);
}

/* 二维码模态框样式 */
.qr-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
}

.qr-modal-content {
  position: relative;
  width: 80%;
  max-width: 500px;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--primary);
  padding: 30px;
  text-align: center;
  box-sizing: border-box;
}

.qr-close {
  position: absolute;
  top: 15px;
  right: 15px;
  color: var(--primary);
  font-size: 24px;
  cursor: pointer;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.qr-close:hover {
  background: rgba(0, 243, 255, 0.1);
  transform: rotate(90deg);
}

.qr-code-placeholder {
  margin: 20px 0;
}

.qr-code {
  font-size: 5rem;
  margin-bottom: 15px;
}

.qr-code-placeholder p {
  color: var(--gray);
  margin-bottom: 20px;
}

.download-link {
  display: inline-block;
  padding: 12px 30px;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
  margin-top: 15px;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.download-link:hover {
  background: rgba(0, 243, 255, 0.1);
  transform: translateY(-3px);
}

/* 地图容器样式 */
.map-container {
  margin-top: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 243, 255, 0.1);
  border: 1px solid var(--glass-border);
}

.map-container iframe {
  border-radius: var(--radius);
}