/* ==========================================
   迈德范中国官网样式表
   Mindify China Website Stylesheet
   Version: 1.1 - 添加科技感动画
   ========================================== */

/* ==========================================
   CSS变量
   ========================================== */
:root {
  /* 主色调 - 科技蓝 */
  --color-primary: #00D4FF;
  --color-primary-dark: #00A8CC;
  --color-primary-light: #4DE1FF;
  
  /* 辅助色 */
  --color-accent: #FF6B35;
  --color-accent-dark: #E55A2B;
  
  /* 背景色 */
  --color-bg: #0A0A0F;
  --color-bg-light: #12121A;
  --color-bg-card: #1A1A25;
  --color-bg-hover: #252535;
  
  /* 文字色 */
  --color-text: #B8C5D6;
  --color-text-light: #E8EDF3;
  --color-text-muted: #6B7280;
  
  /* 边框 */
  --color-border: rgba(0, 212, 255, 0.15);
  --color-border-light: rgba(255, 255, 255, 0.1);
  
  /* 字体 */
  --font-primary: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Noto Sans SC', var(--font-primary);
  
  /* 间距 */
  --section-padding: 100px 0;
  --container-max-width: 1200px;
  --container-padding: 20px;
  
  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  
  /* 过渡 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   重置与基础
   ========================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg-card);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ==========================================
   布局容器
   ========================================== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--section-padding);
  position: relative;
}

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

/* ==========================================
   导航栏
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-light);
}

.logo-img {
  height: 45px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

.logo-icon {
  font-size: 1.8rem;
}

.logo-sub {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-primary);
  margin-left: 5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: block;
  padding: 8px 16px;
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.1);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--color-text-light);
  transition: var(--transition);
}

/* ==========================================
   按钮样式
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #000;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #000;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ==========================================
   首页横幅
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 70px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-bg-card) 0%, var(--color-bg-light) 100%);
  z-index: -2;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 20px;
  position: relative;
  z-index: 10;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--color-text-light);
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
  position: relative;
  z-index: 11;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

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

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(45deg);
  margin: 10px auto 0;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(45deg); }
  40% { transform: translateY(-10px) rotate(45deg); }
  60% { transform: translateY(-5px) rotate(45deg); }
}

/* ==========================================
   区块标题
   ========================================== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: 10px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================
   产品系列
   ========================================== */
.section-products {
  background: var(--color-bg-light);
}

.product-series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.series-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.series-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
}

.series-card.featured {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, var(--color-bg-card) 0%, rgba(0, 212, 255, 0.05) 100%);
}

.series-card.premium {
  border-color: var(--color-accent);
  background: linear-gradient(180deg, var(--color-bg-card) 0%, rgba(255, 107, 53, 0.05) 100%);
}

.series-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 4px 12px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
}

.series-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.series-name {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.series-desc {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.series-specs {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 24px;
}

.series-specs span {
  padding: 6px 14px;
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 500;
}

.series-features {
  text-align: left;
  margin-bottom: 30px;
  list-style: none;
}

.series-features li {
  padding: 8px 0;
  padding-left: 28px;
  position: relative;
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.5;
}

.series-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 8px;
  color: var(--color-primary);
  font-weight: bold;
  width: 20px;
  text-align: center;
}

/* ==========================================
   核心技术
   ========================================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.tech-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  transition: var(--transition);
}

.tech-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
}

.tech-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-icon img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin-top: 10px;
}

/* 客户评价卡片样式 */
.testimonial-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  overflow: hidden;
  flex-shrink: 0;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.testimonial-arrow-img {
  border-radius: 12px;
}

/* 横向排列 - 4条评价静态展示 */
.testimonials-grid-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 0;
}

.testimonial-card-static {
  transition: all 0.4s ease;
}

.testimonial-card-static .case-content {
  background: linear-gradient(135deg, rgba(20, 25, 35, 0.95), rgba(30, 35, 50, 0.95));
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 20px;
  padding: 28px;
  height: 100%;
  transition: all 0.4s ease;
}

.testimonial-card-static:hover .case-content {
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: 
    0 0 40px rgba(0, 212, 255, 0.25),
    0 15px 50px rgba(0, 0, 0, 0.35);
  transform: translateY(-8px);
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .testimonials-grid-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .testimonials-grid-row {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 15px 0;
  }
  
  .testimonial-card-static .case-content {
    padding: 20px;
  }
}

/* 保留原有轮播样式（备用） */
.testimonials-carousel-coverflow {
  display: none;
}

.testimonial-info h3 {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin: 0;
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.testimonial-rating {
  color: #ffc107;
  font-size: 0.9rem;
}

.tech-card h3 {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.tech-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ==========================================
   应用场景
   ========================================== */
.section-scenes {
  background: var(--color-bg-light);
}

.scenes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.scene-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.scene-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
}

.scene-image {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scene-placeholder {
  font-size: 4rem;
}

.scene-card h3 {
  padding: 24px 24px 12px;
  font-size: 1.2rem;
  color: var(--color-text-light);
}

.scene-card p {
  padding: 0 24px 24px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* 场景视频卡片 */
.scene-card-video .scene-video {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  background: #000;
}

.scene-card-video .scene-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================
   客户案例
   ========================================== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.case-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: var(--transition);
}

.case-card:hover {
  border-color: var(--color-primary);
}

.case-card h3 {
  font-size: 1.3rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.case-desc {
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.7;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.case-meta span {
  padding: 6px 14px;
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-primary);
}

/* ==========================================
   新闻资讯
   ========================================== */
.section-news {
  background: var(--color-bg-light);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.news-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: var(--transition);
}

.news-card:hover {
  border-color: var(--color-primary);
}

.news-date {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 16px;
}

.news-date .day {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.news-date .month {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.news-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.news-card h3 a {
  color: var(--color-text-light);
}

.news-card h3 a:hover {
  color: var(--color-primary);
}

.news-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================
   CTA区域
   ========================================== */
.section-cta {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.cta-content > p {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.cta-note {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ==========================================
   页脚
   ========================================== */
.footer {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.footer-brand > p {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.8;
}

.footer-contact p {
  color: var(--color-text);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.footer-contact strong {
  color: var(--color-primary);
}

.footer-links h4 {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid var(--color-border-light);
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

/* ==========================================
   回到顶部按钮
   ========================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: #000;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

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

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

/* ==========================================
   响应式设计
   ========================================== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 968px) {
  /* 产品系列响应式 - 平板 */
  .product-series-grid {
    grid-template-columns: 1fr !important;
  }
  
  .product-series-grid .series-card {
    grid-template-columns: auto 1fr !important;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }
  
  .navbar .container {
    height: 60px;
  }
  
  .nav-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    flex-direction: column;
    padding: 20px;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-link {
    padding: 12px 16px;
    width: 100%;
    text-align: center;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }
  
  /* 产品系列响应式 - 手机 */
  .product-series-grid .series-card {
    grid-template-columns: 1fr !important;
    text-align: center !important;
  }
  
  .product-series-grid .series-card > div:first-child {
    margin-bottom: 15px;
  }
  
  .product-series-grid .series-card .series-specs {
    flex-direction: row !important;
    justify-content: center;
  }
  
  .product-series-grid .series-card .btn {
    align-self: center !important;
  }
  
  .hero-stats {
    gap: 30px;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .product-series-grid,
  .tech-grid,
  .scenes-grid,
  .cases-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-buttons .btn,
  .cta-buttons .btn {
    width: 100%;
  }
  
  .series-specs {
    flex-direction: column;
    gap: 10px;
  }
  
  .series-specs span {
    width: 100%;
  }
}

/* ==========================================
   动画效果 - 科技感增强
   ========================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* 滚动显示动画 */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* 科技感脉冲光效 */
@keyframes techPulse {
  0%, 100% {
    box-shadow: 0 0 5px var(--color-primary),
                0 0 10px var(--color-primary),
                0 0 20px var(--color-primary);
  }
  50% {
    box-shadow: 0 0 10px var(--color-primary),
                0 0 20px var(--color-primary),
                0 0 40px var(--color-primary);
  }
}

/* 边框流光效果 */
@keyframes borderFlow {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* 卡片悬停科技光效 */
.series-card:hover,
.tech-card:hover,
.scene-card:hover,
.case-card:hover,
.news-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15),
              0 0 60px rgba(0, 212, 255, 0.1);
  border-color: var(--color-primary);
}

/* 图标脉冲动画 */
.series-icon,
.tech-icon {
  transition: var(--transition-slow);
}

.series-card:hover .series-icon,
.tech-card:hover .tech-icon {
  transform: scale(1.1) rotate(5deg);
  filter: drop-shadow(0 0 10px var(--color-primary));
}

/* 按钮科技光效 */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

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

/* 导航链接下划线动画 */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.3s ease;
}

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

/* 标签闪烁效果 */
.section-tag {
  position: relative;
  display: inline-block;
}

.section-tag::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -20px;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: blink 2s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; box-shadow: 0 0 5px var(--color-primary); }
  50% { opacity: 0.5; box-shadow: 0 0 15px var(--color-primary); }
}

/* 网格背景动画 */
.grid-bg {
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

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

/* CTA Section */
.cta-section { padding: 80px 0; background: var(--color-bg-light); text-align: center; }
.cta-section h2 { font-size: 2rem; margin-bottom: 1rem; }
.contact-banner { padding: 60px 0; background: var(--color-bg-light); text-align: center; }
.contact-banner h2 { font-size: 2rem; margin-bottom: 1rem; background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.contact-banner p { color: var(--color-text-muted); margin-bottom: 2rem; }

/* 产品规格标签 - 青色高亮覆盖规则 */

.spec-highlight {
    background: rgba(0, 212, 255, 0.12) !important;
    border: 1px solid #00d4ff !important;
    color: #00d4ff !important;
    font-weight: 600 !important;
    box-shadow: 0 0 6px rgba(0, 212, 255, 0.2) !important;
    letter-spacing: 0.02em !important;
}

/* 微信悬浮按钮与弹窗 - 统一版本 */
/* 微信悬浮按钮 */
.wechat-float {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #07c160 0%, #06ad56 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 998;
    box-shadow: 0 4px 20px rgba(7, 193, 96, 0.4);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.wechat-float:hover { transform: scale(1.1); box-shadow: 0 6px 30px rgba(7, 193, 96, 0.55); }
.wechat-float img { width: 48px; height: 48px; pointer-events: none; border-radius: 6px; }
.wechat-float .wechat-tip {
    position: absolute;
    right: 68px;
    background: #fff;
    color: #333;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.82rem;
    white-space: nowrap;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    opacity: 0;
    transform: translateX(8px);
    transition: opacity 0.25s, transform 0.25s;
    pointer-events: none;
}
.wechat-float:hover .wechat-tip { opacity: 1; transform: translateX(0); }

/* 微信弹窗 */
.wechat-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}
.wechat-modal.active { display: flex; }
.wechat-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(6px);
}
.wechat-modal-content {
    position: relative;
    background: linear-gradient(145deg, #1c1c2e 0%, #11111a 100%);
    border: 1px solid rgba(0,212,255,0.2);
    border-radius: 20px;
    padding: 36px 40px 40px;
    max-width: 960px;
    width: 92%;
    box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 40px rgba(0,212,255,0.06);
    animation: modalSlideIn 0.3s ease;
}
@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.wechat-modal-close {
    position: absolute;
    top: 14px;
    right: 18px;
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 1.8rem;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}
.wechat-modal-close:hover { color: #00d4ff; }
.wechat-modal-header { text-align: center; margin-bottom: 32px; }
.wechat-modal-header h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff 30%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.wechat-modal-header p { color: rgba(255,255,255,0.5); font-size: 0.88rem; }
.wechat-qr-list { display: flex; justify-content: center; align-items: flex-start; gap: 32px; }
.wechat-qr-item { display: flex; flex-direction: column; align-items: center; gap: 12px; flex: 1; max-width: 280px; }
.wechat-qr-img {
    width: 100%;
    aspect-ratio: 1;
    max-width: 220px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.05);
    transition: transform 0.25s, box-shadow 0.25s;
}
.wechat-qr-item:hover .wechat-qr-img { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(0,0,0,0.4), 0 0 20px rgba(0,212,255,0.15); }
.wechat-qr-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.wechat-name { font-size: 1rem; font-weight: 700; color: #fff; letter-spacing: 0.03em; }
.wechat-title { font-size: 0.78rem; color: rgba(255,255,255,0.45); padding: 4px 12px; border: 1px solid rgba(0,212,255,0.25); border-radius: 20px; background: rgba(0,212,255,0.06); }

@media (max-width: 900px) {
    .wechat-qr-list { gap: 20px; }
    .wechat-qr-img { max-width: 180px; }
    .wechat-modal-content { padding: 28px 24px 32px; }
}
@media (max-width: 700px) {
    .wechat-qr-list { flex-direction: row; flex-wrap: wrap; gap: 16px; justify-content: center; }
    .wechat-qr-item { max-width: 160px; }
    .wechat-qr-img { max-width: 140px; }
    .wechat-name { font-size: 0.9rem; }
    .wechat-title { font-size: 0.72rem; }
}
@media (max-width: 480px) {
    .wechat-float { bottom: 80px; right: 12px; width: 48px; height: 48px; }
    .wechat-float img { width: 32px; height: 32px; }
    .wechat-qr-list { gap: 10px; }
    .wechat-qr-item { max-width: 110px; }
    .wechat-qr-img { max-width: 96px; }
    .wechat-modal-content { padding: 20px 14px 24px; border-radius: 14px; }
    .wechat-modal-header h3 { font-size: 1.3rem; }
    .wechat-modal-header p { font-size: 0.8rem; }
    .wechat-name { font-size: 0.82rem; }
    .wechat-title { font-size: 0.68rem; padding: 3px 8px; }
}


/* 立即咨询弹窗 */
.quote-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: none;
}
.quote-modal-overlay.active {
    display: block;
}
.quote-modal {
    position: fixed;
    inset: 0;
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
}
.quote-modal.active {
    display: flex;
}
.quote-modal-content {
    position: relative;
}
.quote-modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--color-text-muted);
    cursor: pointer;
    line-height: 1;
}
.quote-modal-close:hover {
    color: var(--color-text-light);
}
.quote-modal h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--color-text-light);
}
.quote-modal > p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}
.quote-modal-body {
    margin-top: 24px;
}
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--color-text-light);
    font-size: 0.9rem;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}
.submit-btn {
    width: 100%;
    padding: 12px;
    background: var(--color-primary);
    color: #000;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}
.submit-btn:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
}
.quote-contact {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}
.quote-contact p {
    color: var(--color-text-muted);
    margin: 8px 0;
    font-size: 0.9rem;
}
.contact-phone,
.contact-email {
    color: var(--color-primary);
    font-weight: 600;
}
@media (max-width: 768px) {
    .quote-modal { max-width: 400px; }
}
@media (max-width: 480px) {
    .quote-modal { width: 95%; }
}