/* CSS变量定义 */
:root {
  /* 深色霓虹主题色彩 */
  --bg-primary: #0A1028;
  --brand-blue: #2B47EB;
  --highlight-blue: #219BF9;
  --electric-purple: #6335EF;
  --magenta: #D83BFF;
  
  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #219BF9, #2B47EB, #6335EF, #D83BFF);
  --gradient-secondary: linear-gradient(135deg, #2B47EB, #6335EF);
  
  /* 文本色彩 */
  --text-primary: rgba(255, 255, 255, 0.92);
  --text-secondary: rgba(255, 255, 255, 0.64);
  --text-tertiary: rgba(255, 255, 255, 0.48);
  
  /* 浅色主题色彩 */
  --bg-primary-light: #F7F9FC;
  --text-primary-light: #1a1a1a;
  --text-secondary-light: #666666;
  --border-light: #E6E9F2;
  
  /* 布局 */
  --container-width: 1280px;
  --grid-gap: 24px;
  --section-padding: 120px;
  --border-radius: 12px;
  
  /* 断点 */
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
  --bp-2xl: 1536px;
  
  /* 字体 */
  --font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Menlo', monospace;
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: all 0.3s ease;
}

/* 浅色主题 */
.light-theme {
  --bg-primary: var(--bg-primary-light);
  --text-primary: var(--text-primary-light);
  --text-secondary: var(--text-secondary-light);
  --text-tertiary: #999999;
}

.light-theme .navbar {
  background: rgba(247, 249, 252, 0.95);
  border-bottom: 1px solid var(--border-light);
}

.light-theme .product-card,
.light-theme .solution-card,
.light-theme .metric-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 通用容器 */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
}

/* 网格系统 */
.grid {
  display: grid;
  gap: var(--grid-gap);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 16, 40, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 0.5px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 16, 40, 0.98);
  box-shadow: 0 4px 32px rgba(43, 71, 235, 0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 24px;
  color: var(--text-primary);
  text-decoration: none;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(43, 71, 235, 0.3));
  transition: all 0.3s ease;
}

.nav-logo img {
  width: 45px;
  height: 45px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(43, 71, 235, 0.5));
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--highlight-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* 下拉菜单 */
.dropdown {
  position: relative;
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(10, 16, 40, 0.98);
  backdrop-filter: blur(20px);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

.dropdown-content a {
  display: block;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
}

.dropdown-content a:hover {
  color: var(--highlight-blue);
  background: rgba(33, 155, 249, 0.1);
}

/* 导航操作区 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* 移动端导航 */
.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(10, 16, 40, 0.98);
    backdrop-filter: blur(20px);
    border-top: 0.5px solid rgba(255, 255, 255, 0.1);
    transform: translateY(-100vh);
    transition: transform 0.3s ease;
  }
  
  .nav-menu.active {
    transform: translateY(0);
  }
  
  .nav-list {
    flex-direction: column;
    padding: 24px;
    gap: 16px;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-actions .btn {
    display: none;
  }
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 16px rgba(43, 71, 235, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(43, 71, 235, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--highlight-blue);
}

.btn-outline {
  background: transparent;
  color: var(--highlight-blue);
  border: 1px solid var(--highlight-blue);
}

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

.btn-large {
  padding: 16px 32px;
  font-size: 18px;
}

/* Hero区域 */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  z-index: 2;
}

.hero-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: glow 2s ease-in-out infinite alternate;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-badges {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
}

.badge {
  padding: 8px 16px;
  background: rgba(43, 71, 235, 0.2);
  border: 1px solid rgba(43, 71, 235, 0.5);
  border-radius: 24px;
  font-size: 14px;
  color: var(--highlight-blue);
}

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

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

.hero-image {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: var(--border-radius);
  filter: drop-shadow(0 0 32px rgba(43, 71, 235, 0.3));
}

/* 产品矩阵图 */
.product-matrix-diagram {
  position: relative;
  width: 500px;
  height: 500px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 中心产品节点 */
.central-product {
  position: relative;
  z-index: 10;
}

.central-node {
  width: 180px;
  height: 180px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
  box-shadow: 0 0 32px rgba(43, 71, 235, 0.6);
  animation: centralPulse 3s ease-in-out infinite;
  cursor: pointer;
  transition: all 0.3s ease;
}

.central-node:hover {
  transform: scale(1.05);
  box-shadow: 0 0 48px rgba(43, 71, 235, 0.8);
}

.central-node .node-icon {
  font-size: 36px;
  margin-bottom: 8px;
}

.central-node .node-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 4px;
}

.central-node .node-subtitle {
  font-size: 12px;
  opacity: 0.9;
}

/* 中心发光效果 */
.central-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(43, 71, 235, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  filter: blur(20px);
  animation: glowPulse 4s ease-in-out infinite alternate;
  z-index: -1;
}

/* 四周产品节点 */
.surrounding-products {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.satellite-node {
  position: absolute;
  width: 140px;
  height: 140px;
  background: rgba(10, 16, 40, 0.9);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.satellite-node:hover {
  background: rgba(43, 71, 235, 0.2);
  border-color: var(--highlight-blue);
  transform: scale(1.1);
  box-shadow: 0 0 24px rgba(43, 71, 235, 0.4);
}

.satellite-node .node-icon {
  font-size: 28px;
  margin-bottom: 8px;
  filter: drop-shadow(0 0 8px rgba(43, 71, 235, 0.5));
}

.satellite-node .node-title {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.2;
  padding: 0 8px;
}

/* 卫星节点定位 */
.satellite-node[data-position="top"] {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  animation: floatAnimation 4s ease-in-out infinite;
  animation-delay: 0s;
}

.satellite-node[data-position="right"] {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  animation: floatAnimation 4s ease-in-out infinite;
  animation-delay: 1s;
}

.satellite-node[data-position="bottom"] {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  animation: floatAnimation 4s ease-in-out infinite;
  animation-delay: 2s;
}

.satellite-node[data-position="left"] {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  animation: floatAnimation 4s ease-in-out infinite;
  animation-delay: 3s;
}

/* 连接线 */
.connection-line {
  position: absolute;
  background: var(--gradient-primary);
  opacity: 0.6;
  animation: connectionPulse 2s ease-in-out infinite;
}

.satellite-node[data-position="top"] .connection-line {
  bottom: -90px;
  left: 50%;
  width: 2px;
  height: 90px;
  transform: translateX(-50%);
}

.satellite-node[data-position="right"] .connection-line {
  top: 50%;
  left: -90px;
  width: 90px;
  height: 2px;
  transform: translateY(-50%);
}

.satellite-node[data-position="bottom"] .connection-line {
  top: -90px;
  left: 50%;
  width: 2px;
  height: 90px;
  transform: translateX(-50%);
}

.satellite-node[data-position="left"] .connection-line {
  top: 50%;
  right: -90px;
  width: 90px;
  height: 2px;
  transform: translateY(-50%);
}

/* 脉冲环动画 */
.connection-animations {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.pulse-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(43, 71, 235, 0.4);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pulseRing 3s ease-out infinite;
}

.pulse-ring-1 {
  animation-delay: 0s;
}

.pulse-ring-2 {
  animation-delay: 1s;
}

.pulse-ring-3 {
  animation-delay: 2s;
}

/* 数据流动效果 */
.data-flow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.flow-particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--highlight-blue);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(33, 155, 249, 0.8);
}

.flow-particle[data-flow="1"] {
  top: 20%;
  left: 50%;
  animation: flowToCenter 3s ease-in-out infinite;
  animation-delay: 0s;
}

.flow-particle[data-flow="2"] {
  top: 50%;
  right: 20%;
  animation: flowToCenter 3s ease-in-out infinite;
  animation-delay: 0.75s;
}

.flow-particle[data-flow="3"] {
  bottom: 20%;
  left: 50%;
  animation: flowToCenter 3s ease-in-out infinite;
  animation-delay: 1.5s;
}

.flow-particle[data-flow="4"] {
  top: 50%;
  left: 20%;
  animation: flowToCenter 3s ease-in-out infinite;
  animation-delay: 2.25s;
}

/* 背景发光效果 */
.hero-bg-glow {
  position: absolute;
  top: 50%;
  right: 10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(43, 71, 235, 0.3) 0%, transparent 70%);
  filter: blur(120px);
  animation: bgGlow 4s ease-in-out infinite alternate;
}

@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .hero-subtitle {
    font-size: 18px;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  /* 产品矩阵移动端适配 */
  .product-matrix-diagram {
    width: 350px;
    height: 350px;
  }
  
  .central-node {
    width: 120px;
    height: 120px;
  }
  
  .central-node .node-icon {
    font-size: 28px;
    margin-bottom: 6px;
  }
  
  .central-node .node-title {
    font-size: 14px;
    margin-bottom: 2px;
  }
  
  .central-node .node-subtitle {
    font-size: 10px;
  }
  
  .central-glow {
    width: 140px;
    height: 140px;
  }
  
  .satellite-node {
    width: 100px;
    height: 100px;
  }
  
  .satellite-node .node-icon {
    font-size: 20px;
    margin-bottom: 4px;
  }
  
  .satellite-node .node-title {
    font-size: 10x;
    padding: 0 4px;
  }
  
  .satellite-node[data-position="top"] .connection-line,
  .satellite-node[data-position="bottom"] .connection-line {
    height: 60px;
  }
  
  .satellite-node[data-position="left"] .connection-line,
  .satellite-node[data-position="right"] .connection-line {
    width: 60px;
  }
  
  .satellite-node[data-position="top"] .connection-line {
    bottom: -60px;
  }
  
  .satellite-node[data-position="right"] .connection-line {
    left: -60px;
  }
  
  .satellite-node[data-position="bottom"] .connection-line {
    top: -60px;
  }
  
  .satellite-node[data-position="left"] .connection-line {
    right: -60px;
  }
}

/* 章节通用样式 */
section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-title {
  font-size: 40px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 64px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 28px;
    margin-bottom: 40px;
  }
}

/* 方法论区域 */
.methodology {
  background: linear-gradient(135deg, rgba(43, 71, 235, 0.1) 0%, rgba(99, 53, 239, 0.1) 100%);
  position: relative;
}

.methodology-circle {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 600px;
  position: relative;
}

.circle-container {
  position: relative;
  width: 500px;
  height: 500px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: circleRotate 60s linear infinite;
}

.circle-container::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 480px;
  height: 480px;
  border: 1px solid rgba(43, 71, 235, 0.3);
  border-radius: 50%;
  animation: circleGlow 4s ease-in-out infinite alternate;
}

.circle-container::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  border: 1px dashed rgba(99, 53, 239, 0.4);
  border-radius: 50%;
  animation: flowIndicator 8s linear infinite;
}

/* 圆圈中心文字 */
.circle-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  pointer-events: none;
  width: 500px;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.center-text {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 16px rgba(43, 71, 235, 0.5));
  animation: centerGlow 3s ease-in-out infinite alternate;
  white-space: nowrap;
}

@keyframes centerGlow {
  0% {
    filter: drop-shadow(0 0 16px rgba(43, 71, 235, 0.5));
  }
  100% {
    filter: drop-shadow(0 0 24px rgba(43, 71, 235, 0.8));
  }
}



.circle-segment {
  position: absolute;
  width: 120px;
  height: 120px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  opacity: 0;
  transform-origin: center;
  animation: segmentFadeIn 0.8s ease-out forwards;
}

.circle-segment:nth-child(1) { 
  top: -60px; 
  left: 50%; 
  transform: translateX(-50%);
  animation-delay: 0.1s;
  animation-name: segmentFadeIn, counterRotate;
  animation-duration: 0.8s, 60s;
  animation-timing-function: ease-out, linear;
  animation-iteration-count: 1, infinite;
  animation-fill-mode: forwards, none;
}
.circle-segment:nth-child(2) { 
  top: 50px; 
  right: -60px; 
  transform: translateY(-50%);
  animation-delay: 0.2s;
  animation-name: segmentFadeIn, counterRotate;
  animation-duration: 0.8s, 60s;
  animation-timing-function: ease-out, linear;
  animation-iteration-count: 1, infinite;
  animation-fill-mode: forwards, none;
}
.circle-segment:nth-child(3) { 
  bottom: 50px; 
  right: -60px; 
  transform: translateY(50%);
  animation-delay: 0.3s;
  animation-name: segmentFadeIn, counterRotate;
  animation-duration: 0.8s, 60s;
  animation-timing-function: ease-out, linear;
  animation-iteration-count: 1, infinite;
  animation-fill-mode: forwards, none;
}
.circle-segment:nth-child(4) { 
  bottom: -60px; 
  left: 50%; 
  transform: translateX(-50%);
  animation-delay: 0.4s;
  animation-name: segmentFadeIn, counterRotate;
  animation-duration: 0.8s, 60s;
  animation-timing-function: ease-out, linear;
  animation-iteration-count: 1, infinite;
  animation-fill-mode: forwards, none;
}
.circle-segment:nth-child(5) { 
  bottom: 50px; 
  left: -60px; 
  transform: translateY(50%);
  animation-delay: 0.5s;
  animation-name: segmentFadeIn, counterRotate;
  animation-duration: 0.8s, 60s;
  animation-timing-function: ease-out, linear;
  animation-iteration-count: 1, infinite;
  animation-fill-mode: forwards, none;
}
.circle-segment:nth-child(6) { 
  top: 50px; 
  left: -60px; 
  transform: translateY(-50%);
  animation-delay: 0.6s;
  animation-name: segmentFadeIn, counterRotate;
  animation-duration: 0.8s, 60s;
  animation-timing-function: ease-out, linear;
  animation-iteration-count: 1, infinite;
  animation-fill-mode: forwards, none;
}

.segment-content {
  width: 100%;
  height: 100%;
  background: rgba(10, 16, 40, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  animation: segmentPulse 3s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

.segment-content::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(43, 71, 235, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  transition: all 0.6s ease;
  z-index: 0;
}

.segment-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--highlight-blue);
  margin-bottom: 4px;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.segment-content p {
  font-size: 14px;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.segment-description {
  position: absolute;
  top: 150px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(10, 16, 40, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 16px;
  min-width: 200px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 10;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.circle-segment:hover .segment-content {
  background: rgba(43, 71, 235, 0.2);
  border-color: var(--highlight-blue);
  box-shadow: 0 0 30px rgba(43, 71, 235, 0.6), 0 0 60px rgba(43, 71, 235, 0.3);
  transform: scale(1.1);
}

.circle-segment:hover .segment-content::before {
  width: 120px;
  height: 120px;
}

.circle-segment:hover .segment-content h3 {
  color: #ffffff;
  transform: translateY(-2px);
}

.circle-segment:hover .segment-content p {
  color: var(--text-primary);
  transform: translateY(-2px);
}

.circle-segment:hover .segment-description {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.segment-description h4 {
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

/* Keyframe Animations for Methodology Section */
@keyframes circleRotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes circleGlow {
  0% {
    box-shadow: 0 0 20px rgba(43, 71, 235, 0.3), inset 0 0 20px rgba(43, 71, 235, 0.1);
    border-color: rgba(43, 71, 235, 0.3);
  }
  100% {
    box-shadow: 0 0 40px rgba(43, 71, 235, 0.6), inset 0 0 40px rgba(43, 71, 235, 0.2);
    border-color: rgba(43, 71, 235, 0.6);
  }
}

@keyframes segmentFadeIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 0.8;
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes segmentPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(43, 71, 235, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(43, 71, 235, 0);
  }
}

@keyframes flowIndicator {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
    opacity: 0.4;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
    opacity: 0.4;
  }
}

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

@media (max-width: 768px) {
  .circle-container {
    width: 300px;
    height: 300px;
  }
  
  .circle-container::before {
    width: 280px;
    height: 280px;
  }
  
  .circle-container::after {
    width: 240px;
    height: 240px;
  }
  
  .circle-segment {
    width: 80px;
    height: 80px;
  }
  
  .circle-segment:nth-child(1) { top: -40px; }
  .circle-segment:nth-child(2) { top: 30px; right: -40px; }
  .circle-segment:nth-child(3) { bottom: 30px; right: -40px; }
  .circle-segment:nth-child(4) { bottom: -40px; }
  .circle-segment:nth-child(5) { bottom: 30px; left: -40px; }
  .circle-segment:nth-child(6) { top: 30px; left: -40px; }
  
  .segment-content h3 {
    font-size: 14px;
  }
  
  .segment-content p {
    font-size: 12px;
  }
  
  .segment-description {
    top: 120px;
    min-width: 180px;
    padding: 12px;
  }
  
  .segment-description h4 {
    font-size: 14px;
  }
  
  .center-text {
    font-size: 24px;
  }
  
  .circle-center {
    width: 300px;
    height: 300px;
  }
}

/* 产品矩阵 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.product-card {
  background: rgba(10, 16, 40, 0.6);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 32px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--highlight-blue);
  box-shadow: 0 16px 48px rgba(43, 71, 235, 0.2);
}

.product-card:hover::before {
  opacity: 1;
}

.product-icon {
  margin-bottom: 24px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  position: relative;
  transition: all 0.3s ease;
}

.product-icon img {
  width: 64px;
  height: 64px;
  filter: drop-shadow(0 0 16px rgba(43, 71, 235, 0.5));
}

.product-icon span {
  font-size: 32px;
  line-height: 1;
  z-index: 2;
  position: relative;
}

/* 知识中台图标 */
.knowledge-icon {
  background: linear-gradient(135deg, #6335EF, #9B59EF);
  box-shadow: 0 8px 32px rgba(99, 53, 239, 0.3);
}

.knowledge-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99, 53, 239, 0.8), rgba(155, 89, 239, 0.8));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card:hover .knowledge-icon::before {
  opacity: 1;
}

/* 人才成长图标 */
.talent-icon {
  background: linear-gradient(135deg, #219BF9, #52C7F9);
  box-shadow: 0 8px 32px rgba(33, 155, 249, 0.3);
}

.talent-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(33, 155, 249, 0.8), rgba(82, 199, 249, 0.8));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card:hover .talent-icon::before {
  opacity: 1;
}

/* 实战智辅图标 */
.assist-icon {
  background: linear-gradient(135deg, #D83BFF, #E86FFF);
  box-shadow: 0 8px 32px rgba(216, 59, 255, 0.3);
}

.assist-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(216, 59, 255, 0.8), rgba(232, 111, 255, 0.8));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card:hover .assist-icon::before {
  opacity: 1;
}

/* 绩效质检图标 */
.analytics-icon {
  background: linear-gradient(135deg, #2B47EB, #5B6FEB);
  box-shadow: 0 8px 32px rgba(43, 71, 235, 0.3);
}

.analytics-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(43, 71, 235, 0.8), rgba(91, 111, 235, 0.8));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card:hover .analytics-icon::before {
  opacity: 1;
}

/* 平台与生态图标 */
.platform-icon {
  background: linear-gradient(135deg, #FF6B35, #FF8F65);
  box-shadow: 0 8px 32px rgba(255, 107, 53, 0.3);
}

.platform-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.8), rgba(255, 143, 101, 0.8));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card:hover .platform-icon::before {
  opacity: 1;
}

.product-card h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.product-card p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  margin-bottom: 32px;
}

.feature-list li {
  color: var(--text-secondary);
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--highlight-blue);
}

.card-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* 解决方案预览 */
.solutions-grid {
  display: grid;
  gap: 32px;
}

.solution-card {
  background: rgba(10, 16, 40, 0.6);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 32px;
  transition: all 0.3s ease;
}

.solution-card:hover {
  border-color: var(--highlight-blue);
  box-shadow: 0 8px 32px rgba(43, 71, 235, 0.2);
}

.solution-card h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.solution-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
}

.flow-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 16px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.5;
}

.flow-arrow {
  color: var(--highlight-blue);
  font-size: 24px;
  font-weight: bold;
}

@media (max-width: 768px) {
  .solution-flow {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .flow-arrow {
    text-align: center;
    transform: rotate(90deg);
  }
}

/* 客户与案例 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.metric-card {
  background: rgba(10, 16, 40, 0.6);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
}

.metric-number {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  color: var(--highlight-blue);
  display: inline-block;
}

.metric-unit {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--highlight-blue);
  display: inline-block;
  margin-left: 4px;
}

.metric-label {
  font-size: 16px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.testimonial {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}

.testimonial blockquote {
  font-size: 20px;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.testimonial cite {
  color: var(--text-secondary);
  font-size: 16px;
}

.logo-wall {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
  margin-bottom: 16px;
}

.brand-main-container {
  width: 100%;
  display: flex;
  justify-content: center;
}

.brand-main-container .logo-item {
  width: 100%;
  max-width: 2400px;
}

.brand-secondary-container {
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}

.logo-item {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 32px;
  transition: all 0.3s ease;
  filter: grayscale(100%);
  opacity: 0.6;
}

.logo-item:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

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

.logo-item.brand-main img {
  width: 100%;
  max-height: 400px;
  object-fit: contain;
}

.brand-secondary-container .logo-item {
  width: 240px;
  height: 160px;
}

.brand-secondary-container .logo-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo-disclaimer {
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
}

@media (max-width: 768px) {
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .logo-wall {
    gap: 48px;
  }
  
  .brand-main-container .logo-item {
    width: 90%;
    max-width: 1200px;
  }
  
  .brand-secondary-container {
    gap: 32px;
  }
  
  .brand-secondary-container .logo-item {
    width: 200px;
    height: 120px;
  }
  
  .testimonial blockquote {
    font-size: 18px;
  }
}

/* 平台概览 */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.platform-item {
  background: rgba(10, 16, 40, 0.6);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 32px;
  text-align: center;
}

.platform-item h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.platform-item ul {
  list-style: none;
}

.platform-item li {
  color: var(--text-secondary);
  margin-bottom: 12px;
  position: relative;
  padding-left: 20px;
}

.platform-item li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--highlight-blue);
}

@media (max-width: 768px) {
  .platform-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* CTA区域 */
.cta-section {
  background: var(--gradient-primary);
  text-align: center;
  color: white;
}

.cta-content h2 {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.9;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.cta-section .btn-primary {
  background: white;
  color: var(--brand-blue);
}

.cta-section .btn-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

@media (max-width: 768px) {
  .cta-content h2 {
    font-size: 28px;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
}

/* 页脚 */
.footer {
  background: rgba(0, 0, 0, 0.8);
  padding: 48px 0 24px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  margin-bottom: 32px;
}

.footer-main {
  flex: 1;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 24px;
  color: var(--text-primary);
  text-decoration: none;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(43, 71, 235, 0.3));
  transition: all 0.3s ease;
  margin-bottom: 16px;
}

.footer-logo img {
  width: 45px;
  height: 45px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(43, 71, 235, 0.5));
}

.footer-description {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
  max-width: 400px;
}

.footer-contact {
  flex-shrink: 0;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-info span {
  color: var(--text-secondary);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.social-links a {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--highlight-blue);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-tertiary);
  font-size: 14px;
}

.footer-bottom a {
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-bottom a:hover {
  color: var(--highlight-blue);
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    gap: 32px;
  }
  
  .footer-description {
    max-width: none;
  }
  
  .contact-info {
    align-items: flex-start;
  }
}

/* 动画效果 */
@keyframes glow {
  0% { text-shadow: 0 0 20px rgba(43, 71, 235, 0.5); }
  100% { text-shadow: 0 0 30px rgba(43, 71, 235, 0.8); }
}

@keyframes bgGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-20px, -20px) scale(1.1); }
}

/* 产品矩阵动画 */
@keyframes centralPulse {
  0%, 100% { 
    box-shadow: 0 0 32px rgba(43, 71, 235, 0.6);
    transform: scale(1);
  }
  50% { 
    box-shadow: 0 0 48px rgba(43, 71, 235, 0.8);
    transform: scale(1.02);
  }
}

@keyframes glowPulse {
  0% { 
    opacity: 0.3;
    transform: translate(-50%, -50%) scale(1);
  }
  100% { 
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

@keyframes floatAnimation {
  0%, 100% { 
    transform: translateX(-50%) translateY(0); 
  }
  50% { 
    transform: translateX(-50%) translateY(-10px); 
  }
}

.satellite-node[data-position="right"] {
  animation-name: floatAnimationRight;
}

.satellite-node[data-position="left"] {
  animation-name: floatAnimationLeft;
}

@keyframes floatAnimationRight {
  0%, 100% { 
    transform: translateY(-50%) translateX(0); 
  }
  50% { 
    transform: translateY(-50%) translateX(10px); 
  }
}

@keyframes floatAnimationLeft {
  0%, 100% { 
    transform: translateY(-50%) translateX(0); 
  }
  50% { 
    transform: translateY(-50%) translateX(-10px); 
  }
}

@keyframes connectionPulse {
  0%, 100% { 
    opacity: 0.4;
  }
  50% { 
    opacity: 0.8;
    box-shadow: 0 0 8px rgba(43, 71, 235, 0.6);
  }
}

@keyframes pulseRing {
  0% {
    width: 30px;
    height: 30px;
    opacity: 1;
  }
  100% {
    width: 300px;
    height: 300px;
    opacity: 0;
  }
}

@keyframes flowToCenter {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  20% {
    opacity: 1;
    transform: scale(1);
  }
  80% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0.5) translate(100px, 100px);
  }
}

.flow-particle[data-flow="1"] {
  animation-name: flowToCenterFromTop;
}

.flow-particle[data-flow="2"] {
  animation-name: flowToCenterFromRight;
}

.flow-particle[data-flow="3"] {
  animation-name: flowToCenterFromBottom;
}

.flow-particle[data-flow="4"] {
  animation-name: flowToCenterFromLeft;
}

@keyframes flowToCenterFromTop {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(0) scale(0);
  }
  20% {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
  80% {
    opacity: 1;
    transform: translateX(-50%) translateY(120px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(140px) scale(0);
  }
}

@keyframes flowToCenterFromRight {
  0% {
    opacity: 0;
    transform: translateY(-50%) translateX(0) scale(0);
  }
  20% {
    opacity: 1;
    transform: translateY(-50%) translateX(0) scale(1);
  }
  80% {
    opacity: 1;
    transform: translateY(-50%) translateX(-120px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-50%) translateX(-140px) scale(0);
  }
}

@keyframes flowToCenterFromBottom {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(0) scale(0);
  }
  20% {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
  80% {
    opacity: 1;
    transform: translateX(-50%) translateY(-120px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(-140px) scale(0);
  }
}

@keyframes flowToCenterFromLeft {
  0% {
    opacity: 0;
    transform: translateY(-50%) translateX(0) scale(0);
  }
  20% {
    opacity: 1;
    transform: translateY(-50%) translateX(0) scale(1);
  }
  80% {
    opacity: 1;
    transform: translateY(-50%) translateX(120px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-50%) translateX(140px) scale(0);
  }
}

/* 滚动动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 无障碍和可读性 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:focus {
  outline: 2px solid var(--highlight-blue);
  outline-offset: 2px;
}

/* 加载骨架 */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.1) 25%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0.1) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========== 页面特定样式 ========== */

/* 页面头部样式 */
.page-header {
  padding: 120px 0 60px;
  text-align: center;
  background: linear-gradient(135deg, rgba(43, 71, 235, 0.1) 0%, rgba(99, 53, 239, 0.1) 100%);
}

.page-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
}

.breadcrumb {
  font-size: 14px;
  color: var(--text-tertiary);
}

.breadcrumb a {
  color: var(--highlight-blue);
  text-decoration: none;
}

.breadcrumb span {
  margin: 0 8px;
}

/* 产品分类标签 */
.product-categories {
  padding: 40px 0;
  background: rgba(255, 255, 255, 0.02);
}

.category-tabs {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 12px 24px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-btn.active,
.tab-btn:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
}

/* 产品部分样式 */
.product-section {
  padding: 80px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.product-header {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
  align-items: center;
}

.product-overview {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.product-overview .product-icon img {
  width: 80px;
  height: 80px;
}

.product-info h2 {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.product-tagline {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.product-actions {
  display: flex;
  gap: 16px;
}

.product-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  filter: drop-shadow(0 0 24px rgba(43, 71, 235, 0.3));
}

/* 功能网格 */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-bottom: 64px;
}

.feature-card {
  background: rgba(10, 16, 40, 0.6);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 32px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--highlight-blue);
  box-shadow: 0 8px 32px rgba(43, 71, 235, 0.2);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.feature-benefits {
  list-style: none;
}

.feature-benefits li {
  color: var(--text-secondary);
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
  font-size: 14px;
}

.feature-benefits li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--highlight-blue);
}

/* 工作流演示 */
.workflow-demo {
  margin-bottom: 64px;
}

.workflow-demo h3 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 32px;
  text-align: center;
  color: var(--text-primary);
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: center;
}

.workflow-step {
  text-align: center;
  padding: 24px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

.workflow-step:hover {
  background: rgba(43, 71, 235, 0.1);
  transform: translateY(-4px);
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 18px;
  margin: 0 auto 16px;
}

.step-content h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.workflow-arrow {
  color: var(--highlight-blue);
  font-size: 24px;
  font-weight: bold;
  text-align: center;
}

/* KPI展示 */
.kpi-showcase {
  margin-bottom: 64px;
}

.kpi-showcase h3 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 32px;
  text-align: center;
  color: var(--text-primary);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.kpi-item {
  text-align: center;
  padding: 32px;
  background: rgba(10, 16, 40, 0.6);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  position: relative;
  overflow: hidden;
}

.kpi-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
}

.kpi-number {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  color: var(--highlight-blue);
  display: inline-block;
}

.kpi-number span {
  font-size: 24px;
  margin-left: 4px;
}

.kpi-label {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 16px 0 8px;
}

.kpi-description {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* 集成生态图 */
.integration-ecosystem h3 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 32px;
  text-align: center;
  color: var(--text-primary);
}

.integration-diagram {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 300px;
}

.central-node {
  width: 120px;
  height: 120px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 16px;
  position: relative;
  z-index: 2;
}

.integration-nodes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.integration-node {
  position: absolute;
  width: 100px;
  height: 60px;
  background: rgba(10, 16, 40, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-primary);
}

.integration-node:nth-child(1) { top: 20px; left: 50%; transform: translateX(-50%); }
.integration-node:nth-child(2) { top: 50%; right: 20px; transform: translateY(-50%); }
.integration-node:nth-child(3) { bottom: 20px; left: 50%; transform: translateX(-50%); }
.integration-node:nth-child(4) { top: 50%; left: 20px; transform: translateY(-50%); }

/* 智能助手演示 */
.assistant-demo h3 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 32px;
  text-align: center;
  color: var(--text-primary);
}

.demo-chat {
  background: rgba(10, 16, 40, 0.8);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  overflow: hidden;
  max-width: 600px;
  margin: 0 auto;
}

.chat-header {
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.status-indicator {
  color: #4ade80;
  font-size: 14px;
}

.chat-messages {
  padding: 24px;
}

.customer-message,
.sales-message {
  margin-bottom: 16px;
  padding: 12px 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.ai-suggestion {
  margin: 24px 0;
  padding: 16px;
  background: rgba(43, 71, 235, 0.1);
  border: 1px solid rgba(43, 71, 235, 0.3);
  border-radius: 8px;
}

.ai-label {
  color: var(--highlight-blue);
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
}

.suggestion-content p {
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.suggestion-content strong {
  color: var(--text-primary);
}

.sender {
  font-weight: 600;
  color: var(--text-primary);
}

.message {
  color: var(--text-secondary);
}

/* 数据看板 */
.analytics-dashboard h3 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 32px;
  text-align: center;
  color: var(--text-primary);
}

.dashboard-preview {
  background: rgba(10, 16, 40, 0.6);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 32px;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

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

.chart-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.chart-placeholder img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* 侧边栏导航 */
.sidebar-nav {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(10, 16, 40, 0.95);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 16px;
  backdrop-filter: blur(20px);
  z-index: 100;
}

.sidebar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-align: center;
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.3s ease;
  font-size: 14px;
}

.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.sidebar-link.cta {
  background: var(--gradient-primary);
  color: white;
}

.sidebar-link.cta:hover {
  background: var(--gradient-secondary);
}

/* 移动端适配 */
@media (max-width: 768px) {
  .page-title {
    font-size: 36px;
  }
  
  .page-subtitle {
    font-size: 18px;
  }
  
  .category-tabs {
    gap: 12px;
  }
  
  .tab-btn {
    padding: 8px 16px;
    font-size: 14px;
  }
  
  .product-header {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  
  .product-overview {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .workflow-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .workflow-arrow {
    transform: rotate(90deg);
  }
  
  .kpi-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .sidebar-nav {
    display: none;
  }
  
  .chart-grid {
    grid-template-columns: 1fr;
  }
  
  .integration-node {
    position: relative;
    margin: 8px;
  }
  
  .integration-diagram {
    flex-direction: column;
    gap: 16px;
    min-height: auto;
  }
}

/* 产品详情弹框样式 */
.product-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.product-modal.active {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: auto;
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    max-width: 800px;
    max-height: 80vh;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(30px);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.product-modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    background: var(--background-secondary);
}

.modal-header h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--background-primary);
    color: var(--text-primary);
}

.modal-body {
    padding: 32px;
    max-height: calc(80vh - 100px);
    overflow-y: auto;
}

.modal-product-overview {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 32px;
}

.modal-product-icon {
    flex-shrink: 0;
}

.modal-product-icon img {
    width: 80px;
    height: 80px;
    border-radius: 16px;
}

.modal-product-icon .icon-emoji {
    font-size: 64px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--electric-purple), var(--highlight-blue));
    box-shadow: 0 8px 32px rgba(99, 53, 239, 0.3);
}

.modal-product-info h3 {
    margin: 0 0 8px 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-product-tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0 0 16px 0;
    line-height: 1.5;
}

.modal-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.modal-feature-card {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: transform 0.2s ease;
}

.modal-feature-card:hover {
    transform: translateY(-2px);
}

.modal-feature-icon {
    font-size: 2rem;
    margin-bottom: 12px;
    display: block;
}

.modal-feature-card h4 {
    margin: 0 0 12px 0;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-feature-card p {
    margin: 0 0 16px 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.modal-feature-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.modal-feature-benefits li {
    color: var(--text-secondary);
    padding: 4px 0;
    position: relative;
    padding-left: 20px;
}

.modal-feature-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

/* 弹框响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .modal-header {
        padding: 16px 24px;
    }
    
    .modal-body {
        padding: 24px;
    }
    
    .modal-product-overview {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .modal-feature-grid {
        grid-template-columns: 1fr;
    }
}

/* 二维码弹框样式 */
.qr-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.qr-modal.active {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.qr-modal .modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.qr-modal-content {
    position: relative;
    margin: auto;
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    max-width: 480px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(30px);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.qr-modal.active .qr-modal-content {
    transform: translateY(0);
}

.qr-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    background: var(--background-secondary);
}

.qr-modal-header h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.qr-modal-body {
    padding: 32px;
    text-align: center;
}

.qr-code-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.qr-code-image {
    width: 240px;
    height: 240px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.qr-code-image:hover {
    transform: scale(1.05);
}

.qr-code-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .qr-modal-content {
        max-width: 350px;
    }
    
    .qr-modal-header,
    .qr-modal-body {
        padding: 20px;
    }
    
    .qr-code-image {
        width: 200px;
        height: 200px;
    }
    
    .qr-modal-header h2 {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .qr-modal-content {
        max-width: 90%;
    }
    
    .qr-code-image {
        width: 180px;
        height: 180px;
    }
}