/* ========================================
   深圳广机汇科技有限公司 - 样式表
   ======================================== */

/* CSS 变量 */
:root {
  --primary: #0a2540;
  --primary-light: #1a4971;
  --accent: #0070f3;
  --accent-hover: #0060df;
  --text-dark: #1a1a2e;
  --text-light: #6b7280;
  --text-white: #ffffff;
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --bg-dark: #0a2540;
  --border-color: #e5e7eb;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   导航栏
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  fill: white;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--accent);
}

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

.nav-contact {
  display: flex;
  align-items: center;
  gap: 16px;
}

.phone-number {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

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

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

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

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

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

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
}

/* ========================================
   Hero 区域
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--bg-dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 37, 64, 0.9) 0%, rgba(10, 37, 64, 0.7) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 700px;
  padding-top: 80px;
}

.hero-tag {
  display: inline-block;
  padding: 8px 16px;
  background-color: rgba(0, 112, 243, 0.2);
  border: 1px solid rgba(0, 112, 243, 0.4);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-title span {
  color: var(--accent);
}

.hero-description {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  margin-bottom: 40px;
}

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

.hero-stats {
  display: flex;
  gap: 60px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--text-white);
}

.stat-number span {
  color: var(--accent);
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
}

/* ========================================
   产品中心
   ======================================== */
.products {
  padding: 120px 0;
  background-color: var(--bg-light);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 14px;
  background-color: rgba(0, 112, 243, 0.1);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 40px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.section-description {
  font-size: 18px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.product-card {
  background-color: var(--bg-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  background-color: var(--bg-light);
}

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

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  background-color: var(--accent);
  color: var(--text-white);
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
}

.product-info {
  padding: 24px;
}

.product-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.product-description {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.product-link svg {
  width: 16px;
  height: 16px;
  transition: var(--transition);
}

.product-link:hover svg {
  transform: translateX(4px);
}

/* ========================================
   服务领域
   ======================================== */
.services {
  padding: 120px 0;
  background-color: var(--bg-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  padding: 40px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 112, 243, 0.1), rgba(0, 112, 243, 0.05));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent);
}

.service-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.service-description {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ========================================
   关于我们
   ======================================== */
.about {
  padding: 120px 0;
  background-color: var(--bg-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-image-badge {
  position: absolute;
  bottom: 30px;
  left: 30px;
  background-color: var(--accent);
  color: var(--text-white);
  padding: 20px 30px;
  border-radius: 12px;
}

.badge-number {
  font-size: 36px;
  font-weight: 800;
}

.badge-text {
  font-size: 14px;
  opacity: 0.9;
}

.about-content .section-tag {
  background-color: rgba(0, 112, 243, 0.2);
}

.about-content .section-title {
  color: var(--text-white);
  text-align: left;
}

.about-text {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 30px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-feature svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
  flex-shrink: 0;
}

.about-feature span {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   合作伙伴
   ======================================== */
.partners {
  padding: 80px 0;
  background-color: var(--bg-light);
  overflow: hidden;
}

.partners-title {
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 40px;
}

.partners-slider {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.partners-slider::before,
.partners-slider::after {
  content: '';
  position: absolute;
  top: 0;
  width: 150px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.partners-slider::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-light) 0%, transparent 100%);
}

.partners-slider::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-light) 0%, transparent 100%);
}

.partners-track {
  display: flex;
  gap: 40px;
  animation: scroll 30s linear infinite;
  width: max-content;
}

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

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-180px * 12 - 40px * 12));
  }
}

.partner-item {
  flex-shrink: 0;
  width: 180px;
  height: 100px;
  background-color: var(--bg-white);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.partner-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.partner-item img {
  width: 80px;
  height: 50px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--transition);
}

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

.partner-item span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.partner-item:hover span {
  color: var(--primary);
}

/* ========================================
   联系我们
   ======================================== */
.contact {
  padding: 120px 0;
  background-color: var(--bg-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact-info h3 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.contact-info p {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 30px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(0, 112, 243, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
}

.contact-item-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.contact-item-content span {
  font-size: 15px;
  color: var(--text-light);
}

.contact-form {
  background-color: var(--bg-light);
  padding: 40px;
  border-radius: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  font-size: 15px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  transition: var(--transition);
  background-color: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 112, 243, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 16px;
}

/* ========================================
   页脚
   ======================================== */
.footer {
  background-color: var(--bg-dark);
  padding: 80px 0 30px;
}

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

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand .logo-text {
  color: var(--text-white);
}

.footer-brand p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin-bottom: 24px;
}

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

.social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--accent);
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: var(--text-white);
}

.footer-links h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 24px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-links a {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
  display: flex;
  gap: 30px;
}

.footer-bottom-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

/* ========================================
   返回顶部按钮
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  background-color: var(--accent-hover);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
  stroke: var(--text-white);
}

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

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

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .nav-links,
  .nav-contact .phone-number {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 30px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .section-title {
    font-size: 32px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }

  .stat-number {
    font-size: 32px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 24px;
  }
}

/* ========================================
   移动端菜单
   ======================================== */
.mobile-menu {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background-color: var(--bg-white);
  padding: 20px;
  box-shadow: var(--shadow-lg);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dark);
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover {
  color: var(--accent);
}

/* ========================================
   导航链接激活状态
   ======================================== */
.nav-links a.active {
  color: var(--accent);
}

.nav-links a.active::after {
  width: 100%;
}

/* ========================================
   页面横幅
   ======================================== */
.page-banner {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  margin-top: 80px;
  overflow: hidden;
}

.page-banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.page-banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 37, 64, 0.9) 0%, rgba(10, 37, 64, 0.7) 100%);
}

.page-banner-content {
  position: relative;
  z-index: 10;
  text-align: center;
  width: 100%;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.page-banner-content h1 {
  font-size: 48px;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 16px;
}

.page-banner-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   关于我们页面
   ======================================== */
.about-intro {
  padding: 100px 0;
  background-color: var(--bg-white);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-intro-content .section-title {
  text-align: left;
}

.about-intro-content p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-intro-image img {
  width: 100%;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.company-stats {
  padding: 80px 0;
  background-color: var(--bg-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.stat-box {
  background-color: var(--bg-white);
  padding: 40px;
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.stat-box:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.stat-box .stat-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(0, 112, 243, 0.1), rgba(0, 112, 243, 0.05));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.stat-box .stat-icon svg {
  width: 30px;
  height: 30px;
  stroke: var(--accent);
}

.stat-box .stat-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
  display: inline;
}

.stat-box .stat-suffix {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  display: inline;
}

.stat-box .stat-label {
  font-size: 16px;
  color: var(--text-light);
  margin-top: 8px;
}

.company-culture {
  padding: 100px 0;
  background-color: var(--bg-white);
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.culture-card {
  background-color: var(--bg-light);
  padding: 40px 30px;
  border-radius: 16px;
  text-align: center;
  transition: var(--transition);
}

.culture-card:hover {
  background-color: var(--primary);
}

.culture-card:hover h3,
.culture-card:hover p {
  color: var(--text-white);
}

.culture-card:hover .culture-icon svg {
  stroke: var(--text-white);
}

.culture-icon {
  width: 64px;
  height: 64px;
  background-color: rgba(0, 112, 243, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.culture-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent);
}

.culture-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  transition: var(--transition);
}

.culture-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  transition: var(--transition);
}

.company-team {
  padding: 100px 0;
  background-color: var(--bg-light);
}

.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.team-image img {
  width: 100%;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.team-content .section-title {
  text-align: left;
}

.team-content p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 30px;
}

.team-highlights {
  list-style: none;
}

.team-highlights li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.team-highlights li svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
  flex-shrink: 0;
}

.company-honors {
  padding: 100px 0;
  background-color: var(--bg-white);
}

.honors-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.honor-card {
  background-color: var(--bg-light);
  padding: 30px 20px;
  border-radius: 12px;
  text-align: center;
  transition: var(--transition);
}

.honor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.honor-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(0, 112, 243, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.honor-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
}

.honor-card h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
}

.company-history {
  padding: 100px 0;
  background-color: var(--bg-dark);
}

.company-history .section-header .section-title {
  color: var(--text-white);
}

.company-history .section-header .section-description {
  color: rgba(255, 255, 255, 0.7);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 80px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(0, 112, 243, 0.2));
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding-left: 40px;
}

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

.timeline-year {
  position: absolute;
  left: -80px;
  top: 0;
  width: 60px;
  height: 60px;
  background-color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-white);
}

.timeline-content {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.timeline-content h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   联系我们页面
   ======================================== */
.contact-cards {
  padding: 80px 0;
  background-color: var(--bg-light);
  margin-top: -60px;
  position: relative;
  z-index: 20;
}

.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.contact-card {
  background-color: var(--bg-white);
  padding: 30px;
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.contact-card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.contact-card-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--text-white);
}

.contact-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 8px;
}

.contact-card-main {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.contact-card-sub {
  font-size: 14px;
  color: var(--text-light);
}

.contact-main {
  padding: 80px 0;
  background-color: var(--bg-white);
}

.contact-main-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
}

.contact-form-section h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.contact-form-section > p {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 30px;
}

.contact-form-full {
  background-color: var(--bg-light);
  padding: 40px;
  border-radius: 20px;
}

.contact-form-full .form-group label .required {
  color: #ef4444;
}

.contact-form-full select {
  width: 100%;
  padding: 14px 18px;
  font-size: 15px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background-color: var(--bg-white);
  cursor: pointer;
  transition: var(--transition);
}

.contact-form-full select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 112, 243, 0.1);
}

.contact-form-full .btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.contact-form-full .btn-submit svg {
  width: 20px;
  height: 20px;
}

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

.contact-info-box {
  background-color: var(--bg-light);
  padding: 30px;
  border-radius: 16px;
}

.contact-info-box h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

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

.info-icon {
  width: 44px;
  height: 44px;
  background-color: rgba(0, 112, 243, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--accent);
}

.info-content h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.info-content p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

.qrcode-box {
  background-color: var(--bg-light);
  padding: 30px;
  border-radius: 16px;
  text-align: center;
}

.qrcode-box h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.qrcode-placeholder {
  width: 150px;
  height: 150px;
  background-color: var(--bg-white);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.qrcode-placeholder svg {
  width: 100px;
  height: 100px;
  stroke: var(--text-light);
}

.qrcode-box > p {
  font-size: 14px;
  color: var(--text-light);
}

.contact-map {
  height: 400px;
  background-color: var(--bg-light);
}

.map-container {
  width: 100%;
  height: 100%;
}

.map-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #e5e7eb;
}

.map-placeholder svg {
  width: 60px;
  height: 60px;
  stroke: var(--text-light);
  margin-bottom: 16px;
}

.map-placeholder p {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.map-placeholder span {
  font-size: 14px;
  color: var(--text-light);
}

.contact-faq {
  padding: 80px 0;
  background-color: var(--bg-white);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.faq-item {
  background-color: var(--bg-light);
  padding: 30px;
  border-radius: 16px;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-item h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.faq-item p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ========================================
   产品列表页面
   ======================================== */
.product-categories {
  background-color: var(--bg-white);
  padding: 30px 0;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 80px;
  z-index: 100;
}

.category-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.category-tab {
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dark);
  background-color: var(--bg-light);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}

.category-tab:hover {
  background-color: rgba(0, 112, 243, 0.1);
  color: var(--accent);
}

.category-tab.active {
  background-color: var(--accent);
  color: var(--text-white);
}

.product-list {
  padding: 60px 0;
  background-color: var(--bg-light);
}

.product-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.product-count {
  font-size: 15px;
  color: var(--text-light);
}

.product-count span {
  font-weight: 700;
  color: var(--accent);
}

.product-sort {
  display: flex;
  align-items: center;
  gap: 10px;
}

.product-sort label {
  font-size: 14px;
  color: var(--text-light);
}

.product-sort select {
  padding: 8px 16px;
  font-size: 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-white);
  cursor: pointer;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-item {
  background-color: var(--bg-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.product-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-item-image {
  position: relative;
  height: 220px;
  overflow: hidden;
  background-color: var(--bg-light);
}

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

.product-item:hover .product-item-image img {
  transform: scale(1.05);
}

.product-item-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
  color: var(--text-white);
}

.product-item-badge.hot {
  background-color: #ef4444;
}

.product-item-badge.new {
  background-color: var(--accent);
}

.product-item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 37, 64, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.product-item:hover .product-item-overlay {
  opacity: 1;
}

.product-item-info {
  padding: 24px;
}

.product-item-category {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.product-item-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 8px 0;
}

.product-item-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-item-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.product-item-specs span {
  font-size: 12px;
  color: var(--text-light);
  background-color: var(--bg-light);
  padding: 4px 10px;
  border-radius: 4px;
}

.product-item-specs span i {
  font-style: normal;
  font-weight: 600;
  color: var(--text-dark);
}

.product-item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.product-item-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.product-item-quote {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  padding: 8px 16px;
  background-color: var(--bg-light);
  border-radius: 6px;
}

.product-item-quote:hover {
  background-color: var(--accent);
  color: var(--text-white);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 50px;
}

.page-item {
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  background-color: var(--bg-white);
  border-radius: 8px;
  transition: var(--transition);
}

.page-item:hover:not(.disabled):not(.active) {
  background-color: rgba(0, 112, 243, 0.1);
  color: var(--accent);
}

.page-item.active {
  background-color: var(--accent);
  color: var(--text-white);
}

.page-item.disabled {
  color: var(--text-light);
  cursor: not-allowed;
}

.product-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.product-cta-content {
  text-align: center;
}

.product-cta-content h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
}

.product-cta-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
}

/* ========================================
   产品详情页面
   ======================================== */
.detail-breadcrumb {
  padding: 100px 0 20px;
  background-color: var(--bg-light);
}

.detail-breadcrumb .breadcrumb {
  justify-content: flex-start;
  color: var(--text-light);
}

.detail-breadcrumb .breadcrumb a {
  color: var(--text-light);
}

.detail-breadcrumb .breadcrumb a:hover {
  color: var(--accent);
}

.product-detail {
  padding: 40px 0 80px;
  background-color: var(--bg-light);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.product-gallery {
  position: sticky;
  top: 100px;
  align-self: start;
}

.gallery-main {
  position: relative;
  background-color: var(--bg-white);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 16px;
}

.gallery-main img {
  width: 100%;
  height: 400px;
  object-fit: contain;
  padding: 20px;
}

.gallery-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 16px;
  background-color: #ef4444;
  color: var(--text-white);
  font-size: 13px;
  font-weight: 600;
  border-radius: 50px;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.gallery-thumb {
  background-color: var(--bg-white);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.gallery-thumb:hover,
.gallery-thumb.active {
  border-color: var(--accent);
}

.gallery-thumb img {
  width: 100%;
  height: 80px;
  object-fit: contain;
  padding: 8px;
}

.product-info-detail {
  background-color: var(--bg-white);
  padding: 40px;
  border-radius: 16px;
}

.product-category-tag {
  display: inline-block;
  padding: 4px 12px;
  background-color: rgba(0, 112, 243, 0.1);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.product-detail-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.product-detail-subtitle {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 24px;
}

.product-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.highlight-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px;
  background-color: var(--bg-light);
  border-radius: 12px;
}

.highlight-item svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  margin-bottom: 8px;
}

.highlight-item span {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
}

.product-description {
  margin-bottom: 24px;
}

.product-description p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}

.product-quick-specs {
  margin-bottom: 30px;
}

.product-quick-specs h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.quick-specs-table {
  width: 100%;
  border-collapse: collapse;
}

.quick-specs-table tr {
  border-bottom: 1px solid var(--border-color);
}

.quick-specs-table td {
  padding: 12px 0;
  font-size: 14px;
}

.quick-specs-table td:first-child {
  font-weight: 600;
  color: var(--text-dark);
  width: 100px;
}

.quick-specs-table td:last-child {
  color: var(--text-light);
}

.product-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.product-actions .btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.product-actions .btn svg {
  width: 20px;
  height: 20px;
}

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

.product-contact-quick {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.product-contact-quick p {
  font-size: 14px;
  color: var(--text-light);
}

.product-contact-quick strong {
  color: var(--accent);
  font-weight: 700;
}

.product-specs {
  padding: 80px 0;
  background-color: var(--bg-white);
}

.specs-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.specs-tab {
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  background-color: var(--bg-light);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}

.specs-tab:hover {
  background-color: rgba(0, 112, 243, 0.1);
  color: var(--accent);
}

.specs-tab.active {
  background-color: var(--accent);
  color: var(--text-white);
}

.specs-panel {
  display: none;
}

.specs-panel.active {
  display: block;
}

.specs-table-wrapper h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 40px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
}

.specs-table-wrapper h3:first-child {
  margin-top: 0;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table tr {
  border-bottom: 1px solid var(--border-color);
}

.specs-table th,
.specs-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 14px;
}

.specs-table th {
  width: 180px;
  font-weight: 600;
  color: var(--text-dark);
  background-color: var(--bg-light);
}

.specs-table td {
  color: var(--text-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-box {
  padding: 30px;
  background-color: var(--bg-light);
  border-radius: 16px;
  text-align: center;
  transition: var(--transition);
}

.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 112, 243, 0.1), rgba(0, 112, 243, 0.05));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent);
}

.feature-box h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.feature-box p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

.applications-content {
  max-width: 1000px;
  margin: 0 auto;
}

.applications-intro {
  font-size: 16px;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 40px;
}

.applications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.application-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background-color: var(--bg-light);
  border-radius: 12px;
  transition: var(--transition);
}

.application-item:hover {
  box-shadow: var(--shadow);
}

.application-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(0, 112, 243, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.application-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
}

.application-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.application-item p {
  font-size: 13px;
  color: var(--text-light);
}

.downloads-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.download-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background-color: var(--bg-light);
  border-radius: 12px;
  transition: var(--transition);
}

.download-item:hover {
  box-shadow: var(--shadow);
}

.download-icon {
  width: 56px;
  height: 56px;
  background-color: rgba(0, 112, 243, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.download-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
}

.download-info {
  flex: 1;
}

.download-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.download-info p {
  font-size: 14px;
  color: var(--text-light);
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
}

.download-btn svg {
  width: 18px;
  height: 18px;
}

.related-products {
  padding: 80px 0;
  background-color: var(--bg-light);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* ========================================
   服务页面
   ======================================== */
.service-overview {
  padding: 100px 0;
  background-color: var(--bg-white);
}

.service-overview-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.service-overview-item {
  text-align: center;
  padding: 30px 20px;
  background-color: var(--bg-light);
  border-radius: 16px;
  transition: var(--transition);
}

.service-overview-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.service-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 12px;
}

.service-overview-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.service-overview-item p {
  font-size: 13px;
  color: var(--text-light);
}

.core-services {
  padding: 0 0 100px;
  background-color: var(--bg-white);
}

.core-service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

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

.core-service-item.reverse {
  direction: rtl;
}

.core-service-item.reverse > * {
  direction: ltr;
}

.core-service-image img {
  width: 100%;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.service-tag {
  display: inline-block;
  padding: 4px 12px;
  background-color: rgba(0, 112, 243, 0.1);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.core-service-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.core-service-content > p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 24px;
}

.service-features {
  list-style: none;
  margin-bottom: 30px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.service-features li svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  flex-shrink: 0;
}

.oem-service {
  padding: 100px 0;
  background-color: var(--bg-dark);
}

.oem-service-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.oem-text .section-tag {
  background-color: rgba(0, 112, 243, 0.2);
}

.oem-text h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
}

.oem-text > p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 30px;
}

.oem-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.oem-type {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.oem-type h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 8px;
}

.oem-type p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

.oem-process {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 40px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.oem-process h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 30px;
  text-align: center;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.step-icon {
  width: 40px;
  height: 40px;
  background-color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-white);
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 4px;
}

.step-content p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.other-services {
  padding: 100px 0;
  background-color: var(--bg-light);
}

.other-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.other-service-card {
  background-color: var(--bg-white);
  padding: 40px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.other-service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.other-service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 112, 243, 0.1), rgba(0, 112, 243, 0.05));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.other-service-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent);
}

.other-service-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.other-service-card > p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.other-service-card ul {
  list-style: none;
}

.other-service-card ul li {
  font-size: 14px;
  color: var(--text-dark);
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
}

.other-service-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  border-radius: 50%;
}

.industry-applications {
  padding: 100px 0;
  background-color: var(--bg-white);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.industry-item {
  text-align: center;
  padding: 30px;
  background-color: var(--bg-light);
  border-radius: 16px;
  transition: var(--transition);
}

.industry-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  background-color: var(--bg-white);
}

.industry-icon {
  width: 56px;
  height: 56px;
  background-color: rgba(0, 112, 243, 0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.industry-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
}

.industry-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.industry-item p {
  font-size: 13px;
  color: var(--text-light);
}

.service-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.service-cta-content {
  text-align: center;
}

.service-cta-content h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
}

.service-cta-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
}

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

.cta-buttons .btn-outline {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-white);
}

.cta-buttons .btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   响应式设计 - 子页面
   ======================================== */
@media (max-width: 1024px) {
  .about-intro-grid,
  .team-grid,
  .core-service-item,
  .oem-service-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .core-service-item.reverse {
    direction: ltr;
  }

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

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

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

  .contact-main-grid {
    grid-template-columns: 1fr;
  }

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

  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    position: static;
  }

  .features-grid,
  .applications-grid,
  .related-grid,
  .other-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 768px) {
  .page-banner {
    height: 300px;
  }

  .page-banner-content h1 {
    font-size: 32px;
  }

  .stats-grid,
  .culture-grid,
  .contact-cards-grid,
  .product-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

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

  .timeline {
    padding-left: 60px;
  }

  .timeline::before {
    left: 25px;
  }

  .timeline-year {
    left: -60px;
    width: 50px;
    height: 50px;
    font-size: 12px;
  }

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

  .features-grid,
  .applications-grid,
  .related-grid,
  .other-services-grid {
    grid-template-columns: 1fr;
  }

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

  .oem-types,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .industry-grid {
    grid-template-columns: 1fr;
  }

  .category-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 10px;
  }

  .category-tab {
    flex-shrink: 0;
  }
}

/* ========================================
   产品详情模态框
   ======================================== */
.product-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s ease;
}

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

.product-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 37, 64, 0.85);
  backdrop-filter: blur(8px);
}

.product-modal-container {
  position: relative;
  width: 95%;
  max-width: 1200px;
  max-height: 90vh;
  background-color: var(--bg-white);
  border-radius: 20px;
  overflow: hidden;
  transform: translateY(30px) scale(0.95);
  transition: transform 0.3s ease;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.3);
}

.product-modal.active .product-modal-container {
  transform: translateY(0) scale(1);
}

.product-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  background-color: var(--bg-light);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: var(--transition);
}

.product-modal-close:hover {
  background-color: var(--accent);
}

.product-modal-close:hover svg {
  stroke: var(--text-white);
}

.product-modal-close svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-dark);
}

.product-modal-content {
  max-height: 90vh;
  overflow-y: auto;
}

.product-modal-grid {
  display: grid;
  grid-template-columns: 450px 1fr;
}

/* 左侧图片区域 */
.product-modal-gallery {
  background-color: var(--bg-light);
  padding: 30px;
  position: sticky;
  top: 0;
  align-self: start;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-gallery-main {
  position: relative;
  background-color: var(--bg-white);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 16px;
}

.modal-gallery-main img {
  width: 100%;
  height: 350px;
  object-fit: contain;
  padding: 20px;
}

.modal-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 50px;
  color: var(--text-white);
}

.modal-badge.hot {
  background-color: #ef4444;
}

.modal-badge.new {
  background-color: var(--accent);
}

.modal-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.modal-thumb {
  background-color: var(--bg-white);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.modal-thumb:hover,
.modal-thumb.active {
  border-color: var(--accent);
}

.modal-thumb img {
  width: 100%;
  height: 70px;
  object-fit: contain;
  padding: 6px;
}

/* 右侧信息区域 */
.product-modal-info {
  padding: 40px;
  overflow-y: auto;
  max-height: 90vh;
}

.modal-category {
  display: inline-block;
  padding: 4px 12px;
  background-color: rgba(0, 112, 243, 0.1);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.modal-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.modal-subtitle {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 24px;
}

.modal-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 30px;
}

.modal-highlight-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px 12px;
  background-color: var(--bg-light);
  border-radius: 12px;
}

.modal-highlight-item svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  margin-bottom: 8px;
}

.modal-highlight-item span {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
}

.modal-description {
  margin-bottom: 30px;
}

.modal-description h3,
.modal-specs h3,
.modal-features h3,
.modal-applications h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
}

.modal-description p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}

.modal-specs {
  margin-bottom: 30px;
}

.modal-specs-table {
  width: 100%;
  border-collapse: collapse;
}

.modal-specs-table tr {
  border-bottom: 1px solid var(--border-color);
}

.modal-specs-table th,
.modal-specs-table td {
  padding: 12px 0;
  font-size: 14px;
  text-align: left;
}

.modal-specs-table th {
  font-weight: 600;
  color: var(--text-dark);
  width: 100px;
}

.modal-specs-table td {
  color: var(--text-light);
}

.modal-features {
  margin-bottom: 30px;
}

.modal-features ul {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.modal-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dark);
}

.modal-features li svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent);
  flex-shrink: 0;
}

.modal-applications {
  margin-bottom: 30px;
}

.modal-app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.app-tag {
  padding: 8px 16px;
  background-color: var(--bg-light);
  color: var(--text-dark);
  font-size: 13px;
  font-weight: 500;
  border-radius: 50px;
  transition: var(--transition);
}

.app-tag:hover {
  background-color: var(--accent);
  color: var(--text-white);
}

.modal-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.modal-actions .btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 24px;
  font-size: 15px;
}

.modal-actions .btn svg {
  width: 20px;
  height: 20px;
}

.modal-contact-quick {
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.modal-contact-quick p {
  font-size: 14px;
  color: var(--text-light);
}

.modal-contact-quick strong {
  color: var(--accent);
  font-weight: 700;
}

/* 产品卡片可点击样式 */
.product-item {
  cursor: pointer;
}

.product-item-link {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

/* 模态框响应式 */
@media (max-width: 1024px) {
  .product-modal-grid {
    grid-template-columns: 1fr;
  }

  .product-modal-gallery {
    position: static;
    max-height: none;
  }

  .modal-gallery-main img {
    height: 280px;
  }
}

@media (max-width: 768px) {
  .product-modal-container {
    width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }

  .product-modal-gallery,
  .product-modal-info {
    padding: 20px;
  }

  .modal-title {
    font-size: 24px;
  }

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

  .modal-features ul {
    grid-template-columns: 1fr;
  }

  .modal-actions {
    flex-direction: column;
  }

  .modal-gallery-thumbs {
    grid-template-columns: repeat(4, 1fr);
  }
}