/* 全局样式 */
:root {
  --primary-color: #007bff;
  --secondary-color: #6c757d;
  --dark-color: #343a40;
  --light-color: #f8f9fa;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --tech-gradient: linear-gradient(135deg, #007bff 0%, #00bfff 50%, #007bff 100%);
  --tech-dark-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --tech-glow-gradient: linear-gradient(135deg, rgba(0, 123, 255, 0.3) 0%, rgba(0, 191, 255, 0.5) 50%, rgba(0, 123, 255, 0.3) 100%);
  --glow-effect: 0 0 15px rgba(0, 123, 255, 0.5);
  --glow-effect-lg: 0 0 25px rgba(0, 123, 255, 0.7);
  --glow-effect-xl: 0 0 40px rgba(0, 123, 255, 0.9);
  --text-shadow: 0 0 10px rgba(0, 123, 255, 0.5), 0 0 20px rgba(0, 123, 255, 0.3);
  --box-shadow-tech: 0 4px 20px rgba(0, 123, 255, 0.15), 0 0 40px rgba(0, 123, 255, 0.1);
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: all 0.2s ease;
}

/* 科技感发光效果 */
.tech-glow {
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: var(--text-shadow);
  animation: textGlow 2s ease-in-out infinite alternate;
}

/* Hero标题样式 */
.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: var(--text-shadow);
  animation: textGlow 2s ease-in-out infinite alternate;
  display: inline-flex;
  align-items: center;
}

/* 行业文本样式 */
.industry-text {
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: var(--text-shadow);
  animation: textGlow 2s ease-in-out infinite alternate;
  position: relative;
  display: inline-block;
  padding: 0 0.5rem;
  border-radius: 20px;
  background-color: rgba(0, 123, 255, 0.1);
  border: 2px solid rgba(0, 123, 255, 0.5);
  margin: 0 0.25rem;
  transition: all 0.3s ease;
}

.industry-text:hover {
  border-color: rgba(0, 123, 255, 1);
  box-shadow: var(--glow-effect);
  transform: scale(1.05);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* 章节标题样式 */
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: var(--text-shadow);
  animation: textGlow 2s ease-in-out infinite alternate;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--tech-gradient);
  border-radius: 2px;
  animation: lineGrow 2s ease-in-out infinite alternate;
}

/* Hero区域样式 */
.hero {
  background: var(--tech-dark-gradient);
  color: white;
  padding-top: 160px;
  padding-bottom: 100px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  perspective: 1000px;
}

/* 非首页Hero区域样式 */
.hero-products,
.hero-solutions,
.hero-about,
.hero-contact {
  background: var(--tech-dark-gradient);
  color: white;
  padding-top: 80px;
  padding-bottom: 40px;
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  perspective: 1000px;
}

/* Hero背景效果 */
.hero::before,
.hero-products::before,
.hero-solutions::before,
.hero-about::before,
.hero-contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 123, 255, 0.15) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
  z-index: 1;
}

.hero::after,
.hero-products::after,
.hero-solutions::after,
.hero-about::after,
.hero-contact::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 123, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 123, 255, 0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  animation: gridMove 15s linear infinite;
  z-index: 1;
  transition: transform 0.1s ease;
}

/* Hero按钮样式 */
.btn-tech-primary {
  padding: 0.75rem 1.5rem;
  font-size: 1.1rem;
  border-radius: 25px;
  position: relative;
  z-index: 10;
  transition: all 0.3s ease;
  overflow: hidden;
  background: var(--tech-gradient);
  border: none;
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--glow-effect);
  cursor: pointer;
}

.btn-tech-secondary {
  padding: 0.75rem 1.5rem;
  font-size: 1.1rem;
  border-radius: 25px;
  position: relative;
  z-index: 10;
  transition: all 0.3s ease;
  overflow: hidden;
  background: transparent;
  border: 1px solid var(--primary-color);
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
}

.btn-tech-primary:hover {
  box-shadow: var(--glow-effect-xl);
  transform: translateY(-3px) scale(1.05);
  animation: btnPulse 2s ease-in-out infinite alternate;
}

.btn-tech-secondary:hover {
  background: var(--tech-gradient);
  box-shadow: var(--glow-effect-lg);
  transform: translateY(-3px) scale(1.05);
  border-color: transparent;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--light-color);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* 背景网格效果 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 123, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 123, 255, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 50px 50px;
  }
}

/* 间距类 */
.py-6 {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.py-8 {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.py-10 {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.py-12 {
  padding-top: 4rem;
  padding-bottom: 0.5em;
}

.mb-4 {
  margin-bottom: 1.5rem;
}

.mb-6 {
  margin-bottom: 3rem;
}

.mb-8 {
  margin-bottom: 4rem;
}

/* 导航栏 */
.navbar {
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0, 123, 255, 0.2);
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 123, 255, 0.3);
  transition: all 0.3s ease;
}

.navbar:hover {
  box-shadow: 0 4px 20px rgba(0, 123, 255, 0.4);
  border-bottom-color: var(--primary-color);
}

/* 品牌名称 */
.navbar-brand {
  font-size: 1.5rem;
  font-weight: bold;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: var(--text-shadow);
  transition: all 0.3s ease;
  position: relative;
  padding-left: 1rem;
}

.navbar-brand::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 30px;
  background: var(--tech-gradient);
  border-radius: 2px;
  animation: brandPulse 2s ease-in-out infinite alternate;
}

@keyframes brandPulse {
  0% {
    opacity: 0.5;
    height: 30px;
  }
  100% {
    opacity: 1;
    height: 40px;
  }
}

/* 导航链接 */
.nav-link {
  font-size: 1.1rem;
  margin-left: 1rem;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 1rem !important;
  border-radius: 0.3rem;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--tech-gradient);
  transition: left 0.3s ease;
  z-index: -1;
  opacity: 0;
}

.nav-link:hover::before {
  left: 0;
  opacity: 1;
}

.nav-link:hover {
  color: white !important;
  transform: translateY(-2px);
  box-shadow: var(--glow-effect);
}

.nav-link.active {
  background: rgba(0, 123, 255, 0.2);
  color: white !important;
  border-left: 3px solid var(--primary-color);
}

/* 下拉菜单 */
.dropdown-menu {
  background: rgba(26, 26, 46, 0.98);
  backdrop-filter: blur(15px);
  border: 2px solid rgba(0, 123, 255, 0.4);
  border-radius: 0.75rem;
  box-shadow: 0 8px 30px rgba(0, 123, 255, 0.25);
  padding: 1rem 0;
  min-width: 240px;
  animation: dropdownSlide 0.4s ease-out;
}

@keyframes dropdownSlide {
  0% {
    opacity: 0;
    transform: translateY(-15px) scale(0.9);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.dropdown-item {
  color: rgba(255, 255, 255, 0.8);
  padding: 1.25rem 2rem;
  font-size: 1.1rem;
  font-weight: 500;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border-left: 4px solid transparent;
  position: relative;
  overflow: hidden;
}

.dropdown-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 123, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.dropdown-item:hover::before {
  left: 100%;
}

.dropdown-item:hover {
  background: rgba(0, 123, 255, 0.25);
  color: white;
  border-left-color: var(--primary-color);
  transform: translateX(10px) scale(1.02);
  box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

/* 下拉菜单激活状态 */
.dropdown-toggle.show {
  color: white !important;
  background: rgba(0, 123, 255, 0.3);
  box-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
}

/* 技术链接样式 */
.tech-link {
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
}

.tech-link:hover {
  color: white !important;
}

/* 技术下拉菜单样式 */
.tech-dropdown {
  background: rgba(26, 26, 46, 0.98);
  border: 2px solid rgba(0, 123, 255, 0.4);
  border-radius: 0.75rem;
  box-shadow: 0 8px 30px rgba(0, 123, 255, 0.25);
}

.tech-dropdown-item {
  color: rgba(255, 255, 255, 0.8);
  padding: 1.25rem 2rem;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.tech-dropdown-item:hover {
  color: white;
  background: rgba(0, 123, 255, 0.25);
  border-left: 4px solid var(--primary-color);
}

/* 锚点偏移，避免被固定导航栏遮挡 */
.about-section,
.product-category,
.solution-item {
  scroll-margin-top: 100px;
}

/* 导航栏切换按钮 */
.navbar-toggler {
  border: 1px solid rgba(0, 123, 255, 0.3);
  transition: all 0.3s ease;
}

.navbar-toggler:hover {
  border-color: var(--primary-color);
  box-shadow: var(--glow-effect);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  filter: drop-shadow(0 0 5px rgba(0, 123, 255, 0.7));
}

.navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
}

.navbar-toggler:hover {
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 15px rgba(0, 191, 255, 0.8);
  background: rgba(0, 123, 255, 0.1);
}

/* 响应式导航栏 */
@media (max-width: 992px) {
  .navbar-nav {
    background: rgba(26, 26, 46, 0.98);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
    border: 1px solid rgba(0, 123, 255, 0.3);
    box-shadow: var(--box-shadow-tech);
  }
  
  .nav-link {
    margin-left: 0;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 0.3rem;
  }
  
  .nav-link:last-child {
    margin-bottom: 0;
  }
}

/* Hero区域 */
.hero {
  background: var(--tech-dark-gradient);
  color: white;
  padding-top: 100px;
  padding-bottom: 60px;
  min-height: 60vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  perspective: 1000px;
}

/* 主要背景动画 */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 123, 255, 0.15) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
  z-index: 1;
}

/* 网格线动画 */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 123, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 123, 255, 0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  animation: gridMove 15s linear infinite;
  z-index: 1;
  transition: transform 0.1s ease;
}

/* 视觉AI检测目标画框效果 */
.hero .blackhole {
  position: absolute;
  width: 150px;
  height: 100px;
  --detection-color: #00ff00;
  --detection-label: "Person";
  --detection-confidence: "95%";
  border: 3px solid var(--detection-color);
  border-radius: 4px;
  transform: translate(-50%, -50%) scale(0);
  z-index: 2;
  pointer-events: none;
  transition: transform 0.1s ease, opacity 0.1s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 20px var(--detection-color);
}

.hero .blackhole::before {
  content: var(--detection-label);
  position: absolute;
  top: -25px;
  left: 0;
  background: var(--detection-color);
  color: black;
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 12px;
  font-weight: bold;
  font-family: 'Courier New', monospace;
  transition: background-color 0.3s ease;
}

.hero .blackhole::after {
  content: var(--detection-confidence);
  position: absolute;
  bottom: -20px;
  right: 0;
  background: var(--detection-color);
  color: black;
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 12px;
  font-weight: bold;
  font-family: 'Courier New', monospace;
  transition: background-color 0.3s ease;
}

.hero .blackhole.active {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  animation: aiBoxPulse 1s ease-in-out infinite;
}

@keyframes aiBoxPulse {
  0%, 100% {
    box-shadow: 0 0 20px var(--detection-color);
  }
  50% {
    box-shadow: 0 0 30px var(--detection-color);
  }
}

/* 鼠标移动时的网格变形效果 */
.hero.mouse-move::after {
  transform: perspective(1000px) rotateX(var(--rotate-x, 0deg)) rotateY(var(--rotate-y, 0deg));
}

/* 粒子容器样式 */
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

/* 粒子样式 */
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--tech-gradient);
  border-radius: 50%;
  animation: particleFloat 8s ease-in-out infinite;
  box-shadow: var(--glow-effect);
}

/* 发光粒子效果 */
.hero .particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.hero .particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--tech-gradient);
  border-radius: 50%;
  animation: particleFloat 8s ease-in-out infinite;
  box-shadow: var(--glow-effect);
}

@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0) translateX(0) scale(1);
    opacity: 0;
  }
  50% {
    transform: translateY(-50px) translateX(20px) scale(1.5);
    opacity: 1;
  }
}

/* 浮动动画 */
@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0) scale(1);
    opacity: 0.5;
  }
  50% {
    transform: translateY(-20px) translateX(10px) scale(1.1);
    opacity: 1;
  }
}

/* 3D 卡片效果 */
.hero .hero-content {
  position: relative;
  z-index: 10;
  animation: heroSlideIn 1s ease-out;
  transform-style: preserve-3d;
}

.hero .hero-content:hover {
  animation: heroHover 2s ease-in-out infinite alternate;
}

@keyframes heroSlideIn {
  0% {
    opacity: 0;
    transform: translateY(50px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroHover {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
  100% {
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
}

@keyframes float {
  0% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-10px) rotate(1deg);
  }
  50% {
    transform: translateY(0) rotate(0deg);
  }
  75% {
    transform: translateY(10px) rotate(-1deg);
  }
  100% {
    transform: translateY(0) rotate(0deg);
  }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textGlow 2s ease-in-out infinite alternate;
  position: relative;
  z-index: 1;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s ease-out 0.5s both;
}

.hero .btn {
  padding: 0.75rem 1.5rem;
  font-size: 1.1rem;
  border-radius: 0.5rem;
  position: relative;
  z-index: 10;
  transition: all 0.3s ease;
  overflow: hidden;
  cursor: pointer;
}

.hero .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--tech-gradient);
  transition: left 0.3s ease;
  z-index: -1;
}

.hero .btn:hover::before {
  left: 0;
}

.hero .btn:hover {
  box-shadow: var(--glow-effect-lg);
  transform: translateY(-2px);
}

@keyframes textGlow {
  from {
    text-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
  }
  to {
    text-shadow: 0 0 20px rgba(0, 191, 255, 0.8);
  }
}

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

/* 产品概览 */
.products-overview {
  background-color: white;
  position: relative;
}

.products-overview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(0, 123, 255, 0.05) 0%, transparent 50%),
              radial-gradient(circle at bottom left, rgba(0, 191, 255, 0.05) 0%, transparent 50%);
  z-index: 0;
}

.products-overview .container {
  position: relative;
  z-index: 1;
}

.products-overview h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textGlow 2s ease-in-out infinite alternate;
  position: relative;
}

.products-overview h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--tech-gradient);
  border-radius: 2px;
  animation: lineGrow 2s ease-in-out infinite alternate;
}

@keyframes lineGrow {
  0% {
    width: 100px;
  }
  100% {
    width: 200px;
  }
}

/* 产品卡片 */
.products-overview .card {
  border: 1px solid rgba(0, 123, 255, 0.2);
  border-radius: 0.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  height: 100%;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
}

/* 卡片边框动画 */
.products-overview .card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--tech-gradient);
  border-radius: 0.5rem;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

@keyframes borderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* 卡片悬停效果 */
.products-overview .card:hover {
  transform: translateY(-15px) scale(1.03);
  box-shadow: var(--box-shadow-tech);
  border-color: var(--primary-color);
}

.products-overview .card:hover::before {
  opacity: 0.2;
}

/* 卡片图片效果 */
.products-overview .card-img-top {
  border-radius: 0.5rem 0.5rem 0 0;
  height: 200px;
  object-fit: cover;
  transition: all 0.4s ease;
  position: relative;
  z-index: 1;
  filter: brightness(0.9);
}

.products-overview .card:hover .card-img-top {
  transform: scale(1.1);
  filter: brightness(1.1);
}

/* 卡片内容 */
.products-overview .card-body {
  position: relative;
  z-index: 1;
}

.products-overview .card:hover .card-body {
  transform: translateY(0);
}

.products-overview .card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: all 0.3s ease;
}

.products-overview .card:hover .card-title {
  animation: textGlow 1s ease-in-out infinite alternate;
}

.products-overview .card-text {
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.products-overview .card:hover .card-text {
  color: var(--dark-color);
  transform: translateZ(10px);
}

/* 科技感按钮 */
.products-overview .btn {
  position: relative;
  z-index: 1;
  transition: all 0.4s ease;
  overflow: hidden;
  background: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  border-radius: 25px;
  padding: 0.75rem 2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.products-overview .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--tech-gradient);
  transition: left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: -1;
  border-radius: 25px;
}

.products-overview .btn:hover::before {
  left: 0;
}

.products-overview .btn:hover {
  box-shadow: var(--glow-effect-lg);
  transform: translateY(-3px) scale(1.05);
  color: white !important;
  border-color: transparent;
}

/* 按钮脉冲效果 */
.products-overview .btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(0, 123, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

.products-overview .btn:hover::after {
  width: 300px;
  height: 300px;
}

/* 卡片加载动画 */
.products-overview .card {
  animation: cardLoad 0.6s ease-out;
}

@keyframes cardLoad {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 交错动画延迟 */
.products-overview .card:nth-child(1) {
  animation-delay: 0.1s;
}

.products-overview .card:nth-child(2) {
  animation-delay: 0.2s;
}

.products-overview .card:nth-child(3) {
  animation-delay: 0.3s;
}

.products-overview .card:nth-child(4) {
  animation-delay: 0.4s;
}

/* 解决方案 */
.solutions {
  background-color: var(--light-color);
  position: relative;
  overflow: hidden;
}

.solutions::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(0, 123, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0, 191, 255, 0.05) 0%, transparent 50%);
  z-index: 0;
}

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

.solutions h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textGlow 2s ease-in-out infinite alternate;
  position: relative;
}

.solutions h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--tech-gradient);
  border-radius: 2px;
  animation: lineGrow 2s ease-in-out infinite alternate;
}

/* 解决方案卡片 */
.solutions .card {
  border: 1px solid rgba(0, 123, 255, 0.2);
  border-radius: 0.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  height: 100%;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
}

/* 解决方案卡片边框动画 */
.solutions .card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--tech-gradient);
  border-radius: 0.5rem;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* 卡片悬停效果 */
.solutions .card:hover {
  transform: translateY(-15px) scale(1.03);
  box-shadow: var(--box-shadow-tech);
  border-color: var(--primary-color);
}

.solutions .card:hover::before {
  opacity: 0.2;
}

/* 卡片内容 */
.solutions .card-body {
  position: relative;
  z-index: 1;
}

.solutions .card:hover .card-body {
  transform: translateY(0);
}

/* 解决方案图标 */
.solutions .card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--tech-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  transition: all 0.4s ease;
  position: relative;
  z-index: 1;
  box-shadow: var(--glow-effect);
}

.solutions .card:hover .card-icon {
  transform: scale(1.2);
  box-shadow: var(--glow-effect-xl);
}

.solutions .card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: all 0.3s ease;
  text-align: center;
}

.solutions .card:hover .card-title {
  animation: textGlow 1s ease-in-out infinite alternate;
}

.solutions .card-text {
  color: var(--secondary-color);
  transition: all 0.3s ease;
  text-align: center;
}

.solutions .card:hover .card-text {
  color: var(--dark-color);
  transform: translateZ(10px);
}

/* 解决方案卡片加载动画 */
.solutions .card {
  animation: solutionCardLoad 0.8s ease-out;
}

@keyframes solutionCardLoad {
  0% {
    opacity: 0;
    transform: translateY(50px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 交错动画延迟 */
.solutions .card:nth-child(1) {
  animation-delay: 0.1s;
}

.solutions .card:nth-child(2) {
  animation-delay: 0.2s;
}

.solutions .card:nth-child(3) {
  animation-delay: 0.3s;
}

.solutions .card:nth-child(4) {
  animation-delay: 0.4s;
}

.solutions .card:nth-child(5) {
  animation-delay: 0.5s;
}

.solutions .card:nth-child(6) {
  animation-delay: 0.6s;
}

/* 技术优势 */
.tech-advantages {
  background-color: white;
  position: relative;
  overflow: hidden;
}

.tech-advantages::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 50% 50%, rgba(0, 123, 255, 0.05) 0%, transparent 70%),
    linear-gradient(135deg, rgba(0, 123, 255, 0.02) 0%, rgba(0, 191, 255, 0.02) 100%);
  z-index: 0;
}

.tech-advantages .container {
  position: relative;
  z-index: 1;
}

.tech-advantages h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textGlow 2s ease-in-out infinite alternate;
  position: relative;
}

.tech-advantages h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--tech-gradient);
  border-radius: 2px;
  animation: lineGrow 2s ease-in-out infinite alternate;
}

/* 技术优势图标 */
.tech-advantages .icon-box {
  width: 120px;
  height: 120px;
  margin: 0 auto 2rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 249, 250, 0.8) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  border: 1px solid rgba(0, 123, 255, 0.2);
}

/* 图标边框动画 */
.tech-advantages .icon-box::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--tech-gradient);
  border-radius: 50%;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* 图标悬停效果 */
.tech-advantages .icon-box:hover {
  transform: scale(1.2);
  box-shadow: var(--glow-effect-xl);
  border-color: var(--primary-color);
}

.tech-advantages .icon-box:hover::before {
  opacity: 0.3;
  box-shadow: var(--glow-effect-lg);
}

/* 图标内图片 */
.tech-advantages .icon-box img {
  transition: all 0.4s ease;
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.tech-advantages .icon-box:hover img {
  transform: scale(1.3);
  filter: brightness(1.2);
}

/* 技术优势标题 */
.tech-advantages h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: all 0.3s ease;
  text-align: center;
}

.tech-advantages .col-md-3:hover h3 {
  animation: textGlow 1s ease-in-out infinite alternate;
  transform: translateY(-5px);
}

.tech-advantages p {
  color: var(--secondary-color);
  transition: all 0.3s ease;
  text-align: center;
}

.tech-advantages .col-md-3:hover p {
  color: var(--dark-color);
  transform: translateY(-5px);
}

/* 技术优势卡片加载动画 */
.tech-advantages .col-md-3 {
  animation: techAdvantageLoad 0.8s ease-out;
}

@keyframes techAdvantageLoad {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 交错动画延迟 */
.tech-advantages .col-md-3:nth-child(1) {
  animation-delay: 0.1s;
}

.tech-advantages .col-md-3:nth-child(2) {
  animation-delay: 0.2s;
}

.tech-advantages .col-md-3:nth-child(3) {
  animation-delay: 0.3s;
}

.tech-advantages .col-md-3:nth-child(4) {
  animation-delay: 0.4s;
}

/* 客户案例 */
.case-studies {
  background-color: var(--light-color);
  position: relative;
  overflow: hidden;
}

.case-studies::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 30% 20%, rgba(0, 123, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(0, 191, 255, 0.05) 0%, transparent 50%);
  z-index: 0;
}

.case-studies .container {
  position: relative;
  z-index: 1;
}

.case-studies h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textGlow 2s ease-in-out infinite alternate;
  position: relative;
}

.case-studies h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--tech-gradient);
  border-radius: 2px;
  animation: lineGrow 2s ease-in-out infinite alternate;
}

/* 客户案例卡片 */
.case-studies .card {
  border: 1px solid rgba(0, 123, 255, 0.2);
  border-radius: 0.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  height: 100%;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
}

/* 案例卡片边框动画 */
.case-studies .card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--tech-gradient);
  border-radius: 0.5rem;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* 卡片悬停效果 */
.case-studies .card:hover {
  transform: translateY(-15px) scale(1.03);
  box-shadow: var(--box-shadow-tech);
  border-color: var(--primary-color);
}

.case-studies .card:hover::before {
  opacity: 0.2;
}

/* 案例图片效果 */
.case-studies .card-img-top {
  border-radius: 0.5rem 0.5rem 0 0;
  height: 200px;
  object-fit: cover;
  transition: all 0.4s ease;
  position: relative;
  z-index: 1;
  filter: brightness(0.9);
}

.case-studies .card:hover .card-img-top {
  transform: scale(1.1);
  filter: brightness(1.1);
}

/* 卡片内容 */
.case-studies .card-body {
  position: relative;
  z-index: 1;
}

.case-studies .card:hover .card-body {
  transform: translateY(0);
}

.case-studies .card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: all 0.3s ease;
}

.case-studies .card:hover .card-title {
  animation: textGlow 1s ease-in-out infinite alternate;
}

.case-studies .card-text {
  color: var(--secondary-color);
  transition: all 0.3s ease;
}

.case-studies .card:hover .card-text {
  color: var(--dark-color);
  transform: translateZ(10px);
}

/* 案例卡片加载动画 */
.case-studies .card {
  animation: caseCardLoad 0.8s ease-out;
}

@keyframes caseCardLoad {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 交错动画延迟 */
.case-studies .card:nth-child(1) {
  animation-delay: 0.1s;
}

.case-studies .card:nth-child(2) {
  animation-delay: 0.2s;
}

.case-studies .card:nth-child(3) {
  animation-delay: 0.3s;
}

.case-studies .card:nth-child(4) {
  animation-delay: 0.4s;
}

/* 联系我们 */
.contact {
  background-color: white;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 40% 40%, rgba(0, 123, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 60% 60%, rgba(0, 191, 255, 0.05) 0%, transparent 50%);
  z-index: 0;
}

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

.contact h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textGlow 2s ease-in-out infinite alternate;
  position: relative;
}

.contact h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--tech-gradient);
  border-radius: 2px;
  animation: lineGrow 2s ease-in-out infinite alternate;
}

.contact h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textGlow 2s ease-in-out infinite alternate;
}

.contact p {
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.contact p:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

/* 表单输入框 */
.contact .form-control {
  border: 1px solid rgba(0, 123, 255, 0.2);
  border-radius: 0.3rem;
  padding: 0.75rem;
  margin-bottom: 1.5rem;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
}

.contact .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: var(--glow-effect-xl);
  transform: translateY(-5px) scale(1.02);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 249, 250, 0.95) 100%);
}

/* 科技感按钮 */
.contact .btn {
  padding: 0.75rem 1.5rem;
  font-size: 1.1rem;
  border-radius: 25px;
  position: relative;
  z-index: 1;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden;
  background: var(--tech-gradient);
  border: none;
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--glow-effect);
}

/* 按钮渐变动画 */
.contact .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.6s ease;
  z-index: -1;
}

.contact .btn:hover::before {
  left: 100%;
}

/* 按钮悬停效果 */
.contact .btn:hover {
  box-shadow: var(--glow-effect-xl);
  transform: translateY(-8px) scale(1.08);
  animation: btnPulse 2s ease-in-out infinite alternate;
}

@keyframes btnPulse {
  0% {
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.7);
  }
  100% {
    box-shadow: 0 0 40px rgba(0, 191, 255, 0.9), 0 0 60px rgba(0, 123, 255, 0.6);
  }
}

/* 社交媒体链接 */
.contact .social-links {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
}

.contact .social-links a {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 1px solid rgba(0, 123, 255, 0.2);
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
  color: var(--primary-color);
  border-radius: 50%;
}

/* 社交媒体链接渐变动画 */
.contact .social-links a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--tech-gradient);
  transition: left 0.4s ease;
  z-index: -1;
  border-radius: 50%;
}

.contact .social-links a:hover::before {
  left: 0;
}

/* 社交媒体链接悬停效果 */
.contact .social-links a:hover {
  transform: translateY(-10px) scale(1.2);
  box-shadow: var(--glow-effect-lg);
  color: white;
}

/* 表单加载动画 */
.contact .loading {
  display: inline-block;
  width: 30px;
  height: 30px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 解决方案页面样式 */
.tech-feature-card {
  border-left: 4px solid var(--primary-color);
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  margin-bottom: 0.75rem;
  padding: 1rem;
}

.tech-feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 123, 255, 0.15);
}

.tech-scene-card {
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  margin-bottom: 0.75rem;
  padding: 1rem;
}

.tech-scene-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 123, 255, 0.1);
}

.tech-solution-content {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 1rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.tech-solution-img {
  border-radius: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.tech-solution-img:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 30px rgba(0, 123, 255, 0.2);
}

.tech-solution-img img {
  transition: transform 0.5s ease;
}

.tech-solution-img:hover img {
  transform: scale(1.05);
}

.tech-feature-section,
.tech-scene-section {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

/* 页脚 */
.footer {
  background: var(--tech-dark-gradient);
  color: white;
  position: relative;
  overflow: hidden;
}

/* 快速链接两列布局 */
.footer-links-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 2rem;
  margin: 0;
  padding: 0;
}

.footer-links-columns li {
  margin: 0;
  padding: 0;
}

/* 横向时间轴样式 */
.horizontal-timeline {
  position: relative;
  width: 100%;
  overflow-x: auto;
  padding: 2rem 0;
}

.horizontal-timeline-container {
  display: flex;
  gap: 1rem;
  padding: 0 1rem;
  min-width: max-content;
  width: 100%;
}

.horizontal-timeline-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 180px;
  margin: 0 0.5rem;
}

.horizontal-timeline-date {
  font-size: 1rem;
  font-weight: bold;
  color: #007bff;
  margin-bottom: 0.75rem;
  text-align: center;
}

.horizontal-timeline-content {
  background: rgba(26, 26, 46, 0.9);
  border: 1px solid rgba(0, 123, 255, 0.3);
  border-radius: 0.5rem;
  padding: 1rem;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
  transition: all 0.3s ease;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.horizontal-timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.horizontal-timeline-title {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, #007bff, #00bfff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.horizontal-timeline-text {
  font-size: 0.9rem;
  line-height: 1.4;
  color: rgba(255, 255, 255);
}

/* 技术时间轴连接线 */
.horizontal-timeline::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 2rem;
  right: 2rem;
  height: 2px;
  background: linear-gradient(90deg, transparent, #007bff, transparent);
  transform: translateY(-50%);
  z-index: 0;
}

/* 技术时间轴项目样式 */
.tech-horizontal-timeline {
  position: relative;
}

.tech-horizontal-timeline-container {
  display: flex;
  gap: 0.5rem;
  padding: 0 0.5rem;
  min-width: max-content;
}

.tech-horizontal-timeline-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 200px;
}

.tech-horizontal-timeline-date {
  font-size: 1.1rem;
  font-weight: bold;
  color: #007bff;
  margin-bottom: 1rem;
  text-align: center;
}

.tech-horizontal-timeline-content {
  background: rgba(26, 26, 46, 0.9);
  border: 1px solid rgba(0, 123, 255, 0.3);
  border-radius: 0.5rem;
  padding: 1rem;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
  transition: all 0.3s ease;
}

.tech-horizontal-timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.tech-horizontal-timeline-title {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, #007bff, #00bfff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tech-horizontal-timeline-text {
  font-size: 0.9rem;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.9);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .horizontal-timeline-container,
  .tech-horizontal-timeline-container {
    gap: 2rem;
    padding: 0 1rem;
  }
  
  .horizontal-timeline-item,
  .tech-horizontal-timeline-item {
    min-width: 160px;
  }
  
  .horizontal-timeline-content,
  .tech-horizontal-timeline-content {
    padding: 1rem;
  }
  
  .footer-links-columns {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 123, 255, 0.1) 0%, transparent 70%);
  animation: pulse 3s ease-in-out infinite;
  z-index: 0;
}

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

.footer h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textGlow 2s ease-in-out infinite alternate;
}

.footer h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.9);
  transition: all 0.3s ease;
}

.footer h4:hover {
  background: var(--tech-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textGlow 1s ease-in-out infinite alternate;
}

.footer p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.footer p:hover {
  color: rgba(255, 255, 255, 0.9);
}

.footer ul li {
  margin-bottom: 0.5rem;
  transition: all 0.3s ease;
}

.footer ul li:hover {
  transform: translateX(5px);
}

.footer ul li a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding-left: 10px;
}

.footer ul li a::before {
  content: '→';
  position: absolute;
  left: 0;
  opacity: 0;
  transition: all 0.3s ease;
  color: var(--primary-color);
}

.footer ul li a:hover {
  color: white;
  padding-left: 15px;
}

.footer ul li a:hover::before {
  opacity: 1;
  left: 5px;
}

.footer .border-gray {
  border-color: rgba(0, 123, 255, 0.2) !important;
}

.footer .border-gray::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--tech-gradient);
  animation: pulse 3s ease-in-out infinite;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .products-overview h2,
  .solutions h2,
  .tech-advantages h2,
  .case-studies h2,
  .contact h2 {
    font-size: 2rem;
  }
  
  .tech-advantages .col-md-3 {
    margin-bottom: 2rem;
  }
  
  .contact .col-md-6 {
    margin-bottom: 2rem;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .products-overview h2,
  .solutions h2,
  .tech-advantages h2,
  .case-studies h2,
  .contact h2 {
    font-size: 1.8rem;
  }
  
  .products-overview .card-img-top,
  .case-studies .card-img-top {
    height: 150px;
  }
}

/* 产品中心页面 */
.products-page {
  padding-top: 120px;
  background-color: white;
}

.products-page h1 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
}

.product-category {
  margin-bottom: 4rem;
}

.product-category h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--primary-color);
}

.product-item {
  border: 1px solid #e0e0e0;
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.product-item h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.product-item p {
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

/* 解决方案页面 */
.solutions-page {
  padding-top: 120px;
  background-color: white;
}

.solutions-page h1 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
}

.solution-item {
  margin-bottom: 4rem;
}

.solution-item h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

.solution-item p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* 关于我们页面 */
.about-page {
  padding-top: 120px;
  background-color: white;
}

.about-page h1 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
}

.about-section {
  margin-bottom: 4rem;
}

.about-section h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

.about-section p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.team-section {
  margin-bottom: 4rem;
}

.team-section h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 3rem;
  text-align: center;
}

.team-member {
  text-align: center;
  margin-bottom: 3rem;
}

.team-member img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
}

.team-member h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.team-member p {
  color: var(--secondary-color);
}

/* 联系我们页面 */
.contact-page {
  padding-top: 120px;
  background-color: white;
}

.contact-page h1 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
}

.contact-info {
  margin-bottom: 4rem;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

.contact-form {
  margin-bottom: 4rem;
}

.contact-form h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

/* 滚动动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 30px;
  height: 30px;
  border: 3px solid rgba(0, 123, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 按钮样式 */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.btn-primary:hover {
  background-color: #0069d9;
  border-color: #0062cc;
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

.btn-outline-light {
  color: white;
  border-color: white;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* 卡片阴影 */
.card-shadow {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
}

.card-shadow:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 响应式导航栏 */
@media (max-width: 992px) {
  .navbar-nav {
    background-color: var(--dark-color);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
  }
  
  .nav-link {
    margin-left: 0;
    padding: 0.5rem 0;
  }
}

/* 图片响应式 */
.img-fluid {
  max-width: 100%;
  height: auto;
}

/* 文本截断 */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 背景渐变 */
.bg-gradient {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
  color: white;
}

/* 容器最大宽度 */
.container {
  max-width: 1200px;
}

/* 表格样式 */
.table {
  width: 100%;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.table th,
.table td {
  padding: 0.75rem;
  vertical-align: top;
  border-top: 1px solid #dee2e6;
}

.table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid #dee2e6;
  background-color: var(--light-color);
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 123, 255, 0.075);
}

/* 表单验证 */
.is-invalid {
  border-color: var(--danger-color);
}

.invalid-feedback {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--danger-color);
}

/* 工具类 */
.text-center {
  text-align: center;
}

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

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

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 1rem; }
.ml-4 { margin-left: 1.5rem; }
.ml-5 { margin-left: 3rem; }

.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 1rem; }
.mr-4 { margin-right: 1.5rem; }
.mr-5 { margin-right: 3rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 1rem; padding-bottom: 1rem; }
.py-4 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }

.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 1rem; padding-right: 1rem; }
.px-4 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-5 { padding-left: 3rem; padding-right: 3rem; }

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.rounded { border-radius: 0.3rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-circle { border-radius: 50%; }

.shadow { box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15); }
.shadow-sm { box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075); }
.shadow-lg { box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175); }

.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-static { position: static; }

.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

.display-1 { font-size: 3.5rem; }
.display-2 { font-size: 3rem; }
.display-3 { font-size: 2.5rem; }
.display-4 { font-size: 2rem; }

.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fw-normal { font-weight: 400; }
.fw-light { font-weight: 300; }

.lh-1 { line-height: 1; }
.lh-sm { line-height: 1.25; }
.lh-base { line-height: 1.5; }
.lh-lg { line-height: 1.75; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }
.text-info { color: var(--info-color); }
.text-light { color: var(--light-color); }
.text-dark { color: var(--dark-color); }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-success { background-color: var(--success-color); }
.bg-danger { background-color: var(--danger-color); }
.bg-warning { background-color: var(--warning-color); }
.bg-info { background-color: var(--info-color); }
.bg-light { background-color: var(--light-color); }
.bg-dark { background-color: var(--dark-color); }

.border { border: 1px solid #dee2e6; }
.border-top { border-top: 1px solid #dee2e6; }
.border-bottom { border-bottom: 1px solid #dee2e6; }
.border-left { border-left: 1px solid #dee2e6; }
.border-right { border-right: 1px solid #dee2e6; }

.border-primary { border-color: var(--primary-color); }
.border-secondary { border-color: var(--secondary-color); }
.border-success { border-color: var(--success-color); }
.border-danger { border-color: var(--danger-color); }
.border-warning { border-color: var(--warning-color); }
.border-info { border-color: var(--info-color); }
.border-light { border-color: var(--light-color); }
.border-dark { border-color: var(--dark-color); }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

.visible { visibility: visible; }
.invisible { visibility: hidden; }

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }

.flex-fill { flex: 1 1 auto; }
.flex-grow-0 { flex-grow: 0; }
.flex-grow-1 { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-shrink-1 { flex-shrink: 1; }

.order-first { order: -1; }
.order-last { order: 13; }
.order-0 { order: 0; }
.order-1 { order: 1; }
.order-2 { order: 2; }
.order-3 { order: 3; }
.order-4 { order: 4; }
.order-5 { order: 5; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-wrap-reverse { flex-wrap: wrap-reverse; }

.flex-direction-row { flex-direction: row; }
.flex-direction-row-reverse { flex-direction: row-reverse; }
.flex-direction-column { flex-direction: column; }
.flex-direction-column-reverse { flex-direction: column-reverse; }

.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.justify-content-evenly { justify-content: space-evenly; }

.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.align-items-center { align-items: center; }
.align-items-baseline { align-items: baseline; }
.align-items-stretch { align-items: stretch; }

.align-content-start { align-content: flex-start; }
.align-content-end { align-content: flex-end; }
.align-content-center { align-content: center; }
.align-content-between { align-content: space-between; }
.align-content-around { align-content: space-around; }
.align-content-stretch { align-content: stretch; }

.align-self-auto { align-self: auto; }
.align-self-start { align-self: flex-start; }
.align-self-end { align-self: flex-end; }
.align-self-center { align-self: center; }
.align-self-baseline { align-self: baseline; }
.align-self-stretch { align-self: stretch; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }
.gap-5 { gap: 3rem; }

.row-gap-1 { row-gap: 0.25rem; }
.row-gap-2 { row-gap: 0.5rem; }
.row-gap-3 { row-gap: 1rem; }
.row-gap-4 { row-gap: 1.5rem; }
.row-gap-5 { row-gap: 3rem; }

.column-gap-1 { column-gap: 0.25rem; }
.column-gap-2 { column-gap: 0.5rem; }
.column-gap-3 { column-gap: 1rem; }
.column-gap-4 { column-gap: 1.5rem; }
.column-gap-5 { column-gap: 3rem; }

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--tech-gradient);
  border: none;
  color: white;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--glow-effect-xl);
  z-index: 1000;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
}

.back-to-top:hover {
  transform: translateY(-10px) scale(1.1);
  box-shadow: var(--glow-effect-xl), 0 0 60px rgba(0, 191, 255, 0.6);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

/* 返回顶部按钮箭头 */
.back-to-top::before {
  content: '↑';
  font-weight: bold;
}

/* 响应式工具类 */
@media (max-width: 575.98px) {
  .d-xs-none { display: none; }
  .d-xs-block { display: block; }
  .d-xs-inline { display: inline; }
  .d-xs-inline-block { display: inline-block; }
  .d-xs-flex { display: flex; }
  .d-xs-inline-flex { display: inline-flex; }
  
  /* 响应式返回顶部按钮 */
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }
}

@media (min-width: 576px) and (max-width: 767.98px) {
  .d-sm-none { display: none; }
  .d-sm-block { display: block; }
  .d-sm-inline { display: inline; }
  .d-sm-inline-block { display: inline-block; }
  .d-sm-flex { display: flex; }
  .d-sm-inline-flex { display: inline-flex; }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .d-md-none { display: none; }
  .d-md-block { display: block; }
  .d-md-inline { display: inline; }
  .d-md-inline-block { display: inline-block; }
  .d-md-flex { display: flex; }
  .d-md-inline-flex { display: inline-flex; }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
  .d-lg-none { display: none; }
  .d-lg-block { display: block; }
  .d-lg-inline { display: inline; }
  .d-lg-inline-block { display: inline-block; }
  .d-lg-flex { display: flex; }
  .d-lg-inline-flex { display: inline-flex; }
}

@media (min-width: 1200px) {
  .d-xl-none { display: none; }
  .d-xl-block { display: block; }
  .d-xl-inline { display: inline; }
  .d-xl-inline-block { display: inline-block; }
  .d-xl-flex { display: flex; }
  .d-xl-inline-flex { display: inline-flex; }
}

@media (min-width: 1400px) {
  .d-xxl-none { display: none; }
  .d-xxl-block { display: block; }
  .d-xxl-inline { display: inline; }
  .d-xxl-inline-block { display: inline-block; }
  .d-xxl-flex { display: flex; }
  .d-xxl-inline-flex { display: inline-flex; }
}

/* 打印样式 */
@media print {
  .d-print-none { display: none !important; }
  .d-print-block { display: block !important; }
  .d-print-inline { display: inline !important; }
  .d-print-inline-block { display: inline-block !important; }
  .d-print-flex { display: flex !important; }
  .d-print-inline-flex { display: inline-flex !important; }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0066cc;
    --secondary-color: #666666;
    --dark-color: #000000;
    --light-color: #ffffff;
  }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 暗色模式 */
@media (prefers-color-scheme: dark) {
  :root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --dark-color: #f8f9fa;
    --light-color: #343a40;
  }
  
  body {
    background-color: var(--light-color);
    color: var(--dark-color);
  }
  
  .navbar {
    background-color: var(--dark-color) !important;
  }
  
  .card {
    background-color: var(--dark-color);
    color: var(--light-color);
  }
  
  .footer {
    background-color: var(--dark-color);
    color: var(--light-color);
  }
}