/* 基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --background: #ffffff;
  --foreground: #1a1a1a;
  --muted: #6b7280;
  --border: #e5e7eb;
  --card: #ffffff;
  --accent: #f3f4f6;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  color: var(--foreground);
  background: var(--background);
  line-height: 1.6;
}

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

/* 导航栏 */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.nav-desktop {
  display: none;
  gap: 24px;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--foreground);
  transition: all 0.3s;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.nav-mobile.show {
  display: flex;
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }
  .mobile-menu-btn {
    display: none;
  }
}

/* Banner区域 */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(59, 130, 246, 0.05) 50%, #ffffff 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 900"><defs><linearGradient id="g" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%232563eb;stop-opacity:0.1"/><stop offset="100%" style="stop-color:%233b82f6;stop-opacity:0.05"/></linearGradient></defs><rect fill="url(%23g)" width="1440" height="900"/></svg>') center/cover;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 40px 20px;
  max-width: 800px;
}

.hero-title {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 16px;
  color: var(--foreground);
}

.hero-subtitle {
  font-size: 28px;
  color: var(--muted);
  margin-bottom: 16px;
  font-weight: 500;
}

.hero-desc {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 18px;
  transition: all 0.3s;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.hero-values {
  margin-top: 48px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.value-tag {
  padding: 8px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.floating-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--primary);
  opacity: 0.2;
  border-radius: 50%;
  animation: float 3s ease-in-out infinite;
}

.particle:nth-child(1) { left: 15%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 30%; top: 45%; animation-delay: 0.3s; }
.particle:nth-child(3) { left: 45%; top: 30%; animation-delay: 0.6s; }
.particle:nth-child(4) { left: 60%; top: 55%; animation-delay: 0.9s; }
.particle:nth-child(5) { left: 75%; top: 35%; animation-delay: 1.2s; }
.particle:nth-child(6) { left: 85%; top: 60%; animation-delay: 1.5s; }

@keyframes float {
  0%, 100% { transform: translateY(0); opacity: 0.2; }
  50% { transform: translateY(-20px); opacity: 0.5; }
}

@media (max-width: 768px) {
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 20px; }
  .hero-desc { font-size: 14px; }
  .btn-primary { padding: 12px 24px; font-size: 16px; }
}

/* 通用区块 */
.section {
  padding: 64px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-title {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--muted);
}

/* 关于我们 */
.about-section {
  background: var(--accent);
}

.about-grid {
  display: grid;
  gap: 48px;
  margin-bottom: 48px;
}

.about-left h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.about-left p {
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 6px 12px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  border-radius: 16px;
  font-size: 14px;
}

.about-right h3 {
  font-size: 20px;
  margin-bottom: 24px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.value-card {
  background: var(--card);
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

.value-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.value-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.value-card h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.value-card p {
  font-size: 14px;
  color: var(--muted);
}

.advantages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.advantage-card {
  background: var(--card);
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.advantage-card h4 {
  font-size: 18px;
  margin-bottom: 4px;
}

.advantage-card .subtitle {
  color: var(--primary);
  font-size: 14px;
  margin-bottom: 8px;
}

.advantage-card p {
  font-size: 14px;
  color: var(--muted);
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 产品展示 */
.products-section {
  background: var(--accent);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.product-card {
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.product-image {
  height: 200px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.placeholder-img {
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  opacity: 0.5;
}

.product-info {
  padding: 24px;
}

.product-info h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.product-info p {
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-tag {
  padding: 4px 12px;
  background: var(--accent);
  border-radius: 12px;
  font-size: 12px;
  color: var(--muted);
}

@media (min-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 设备展示 */
.equipment-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.equipment-card {
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.equipment-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.equipment-image {
  height: 180px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.equipment-info {
  padding: 20px;
}

.equipment-info h3 {
  font-size: 18px;
  margin-bottom: 4px;
}

.en-name {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.equipment-info > p {
  color: var(--muted);
  margin-bottom: 12px;
  font-size: 14px;
}

.equipment-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.eq-feature {
  background: var(--card);
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--border);
  text-align: center;
}

.eq-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.eq-feature h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

.eq-feature p {
  font-size: 14px;
  color: var(--muted);
}

@media (min-width: 640px) {
  .equipment-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .equipment-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 页脚 */
.footer {
  background: var(--primary);
  color: white;
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-col h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

.footer-col .en-name {
  font-size: 12px;
  opacity: 0.8;
  margin-bottom: 16px;
}

.contact-info p {
  margin-bottom: 8px;
  font-size: 14px;
}

.contact-info a {
  color: white;
  text-decoration: underline;
}

.footer-values {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.value-badge {
  padding: 4px 12px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 16px;
  font-size: 14px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 24px;
  text-align: center;
  font-size: 14px;
  opacity: 0.8;
}

.footer-bottom p {
  margin-bottom: 4px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 页面标题区 */
.page-header, .page-hero {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.03) 100%);
  text-align: center;
}

.page-title {
  font-size: 42px;
  font-weight: bold;
  margin-bottom: 16px;
}

.page-subtitle {
  font-size: 18px;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .page-title { font-size: 32px; }
  .page-subtitle { font-size: 16px; }
}

/* 发展历程时间线 */
.timeline-section {
  background: var(--background);
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.timeline-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.timeline-year {
  width: 80px;
  font-size: 24px;
  font-weight: bold;
  color: var(--primary);
  flex-shrink: 0;
}

.timeline-content h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.timeline-content p {
  color: var(--muted);
}

/* 产品分类区块 */
.category-section {
  margin-bottom: 64px;
}

.category-section:last-child {
  margin-bottom: 0;
}

.category-title {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.bg-secondary {
  background: var(--accent);
}

/* 公司大楼图片 */
.company-building-img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

/* 产品简洁网格布局 */
.product-simple-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-simple-card {
  background: var(--card);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s;
  cursor: pointer;
}

.product-simple-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.product-simple-image {
  aspect-ratio: 4/3;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.product-simple-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

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

.product-simple-name {
  padding: 16px;
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--foreground);
}

@media (max-width: 1024px) {
  .product-simple-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .product-simple-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .product-simple-name {
    padding: 12px;
    font-size: 14px;
  }
}

/* 案例卡片 */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.case-card {
  background: var(--card);
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.case-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  border-radius: 16px;
  font-size: 14px;
  margin-bottom: 16px;
}

.case-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.case-card p {
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.case-result {
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--primary);
  font-size: 14px;
}

@media (min-width: 768px) {
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cases-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 生产工艺流程 */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.process-card {
  background: var(--card);
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.process-card h3 {
  font-size: 20px;
  margin-bottom: 20px;
  color: var(--primary);
}

.process-list {
  list-style: none;
}

.process-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.process-list li:last-child {
  border-bottom: none;
}

.step-num {
  color: var(--primary);
  font-weight: bold;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* FAQ样式 */
.faq-section {
  background: var(--background);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto 48px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
  transition: background 0.2s;
}

.faq-question:hover {
  background: var(--accent);
}

.faq-icon {
  font-size: 20px;
  color: var(--primary);
  transition: transform 0.3s;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--muted);
  line-height: 1.8;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

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

.faq-contact p {
  color: var(--muted);
  margin-bottom: 16px;
}

/* 新闻卡片 */
.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.news-card {
  background: var(--card);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.news-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  border-radius: 12px;
  font-size: 12px;
  margin-bottom: 12px;
}

.news-date {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 12px;
}

.news-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.news-card p {
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.read-more {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.read-more:hover {
  text-decoration: underline;
}

@media (min-width: 640px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 联系我们 - 大气布局 */
.contact-new-section {
  background: var(--background);
}

.contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 48px;
}

.contact-hero-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.contact-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--card);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.contact-card:hover {
  transform: translateX(8px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
  border-color: var(--primary-light);
}

.contact-card-icon {
  font-size: 32px;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.08);
  border-radius: 12px;
}

.contact-card-content h3 {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 4px;
  font-weight: 500;
}

.contact-card-content p {
  font-size: 16px;
  color: var(--foreground);
  font-weight: 600;
}

.contact-card-content a {
  color: var(--primary);
  text-decoration: none;
}

.contact-card-content a:hover {
  text-decoration: underline;
}

.map-simple {
  background: var(--accent);
  border-radius: 12px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.map-simple-content {
  text-align: center;
}

.map-pin {
  font-size: 40px;
  margin-bottom: 12px;
}

.map-address {
  color: var(--muted);
  font-size: 16px;
}

@media (max-width: 1024px) {
  .contact-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-hero-image {
    max-height: 400px;
  }
}

@media (max-width: 768px) {
  .contact-card {
    padding: 20px;
    gap: 16px;
  }

  .contact-card-icon {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }

  .contact-card-content h3 {
    font-size: 13px;
  }

  .contact-card-content p {
    font-size: 15px;
  }

  .map-simple {
    height: 200px;
  }
}

/* 产品分类二级导航 */
.product-category-nav {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 64px;
  z-index: 90;
}

.product-category-nav .container {
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.category-nav-link,
.category-nav-item {
  display: inline-block;
  padding: 16px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
}

.category-nav-link:hover,
.category-nav-item:hover {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.04);
}

.category-nav-link.active,
.category-nav-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

@media (max-width: 768px) {
  .category-nav-link,
  .category-nav-item {
    padding: 14px 16px;
    font-size: 14px;
  }
}

/* 分页组件 */
.pagination-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
  padding: 24px 0;
}

.pagination-btn {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--foreground);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}

.pagination-btn:hover:not(:disabled):not(.active) {
  border-color: var(--primary-light);
  color: var(--primary);
  background: rgba(37, 99, 235, 0.04);
}

.pagination-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  font-weight: 600;
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--accent);
  color: var(--muted);
}

@media (max-width: 768px) {
  .pagination-container {
    gap: 6px;
    margin-top: 32px;
  }

  .pagination-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    font-size: 13px;
  }
}

/* 产品详情页 */
.product-detail-section {
  background: var(--background);
}

.product-detail-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
  align-items: start;
}

.product-detail-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.placeholder-img-large {
  height: 480px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 600;
  color: var(--primary);
  opacity: 0.5;
}

.product-detail-name {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 8px;
}

.product-detail-category {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
}

.product-detail-desc {
  font-size: 16px;
  color: var(--foreground);
  line-height: 1.8;
  margin-bottom: 24px;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 规格参数表格 */
.product-specs {
  margin-bottom: 64px;
}

.specs-title,
.features-title,
.applications-title,
.related-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

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

.specs-table tr:last-child {
  border-bottom: none;
}

.spec-label {
  width: 160px;
  padding: 16px 20px;
  background: var(--accent);
  font-weight: 600;
  font-size: 14px;
  color: var(--foreground);
}

.spec-value {
  padding: 16px 20px;
  font-size: 14px;
  color: var(--muted);
}

/* 产品特点 */
.product-features {
  margin-bottom: 64px;
}

.features-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-item {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--card);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: bold;
  flex-shrink: 0;
}

.feature-item h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 14px;
  color: var(--muted);
}

/* 应用场景 */
.product-applications {
  margin-bottom: 64px;
}

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

.application-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--card);
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.application-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border-color: var(--primary-light);
}

.app-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.application-card h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

.application-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* 相关产品推荐 */
.related-products {
  margin-top: 48px;
}

/* 新闻详情页 */
.news-detail-header .page-title {
  font-size: 32px;
  max-width: 800px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.news-content-section {
  background: var(--background);
}

.news-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

.news-article {
  background: var(--card);
  padding: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.article-body p {
  font-size: 16px;
  line-height: 2;
  color: var(--foreground);
  margin-bottom: 20px;
}

.article-body .lead {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.8;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.article-body h3 {
  font-size: 20px;
  font-weight: bold;
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--foreground);
}

/* 相关新闻侧栏 */
.related-news h3 {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 20px;
}

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

.related-news-item {
  display: block;
  padding: 20px;
  background: var(--card);
  border-radius: 8px;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: all 0.3s;
}

.related-news-item:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.related-news-badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  border-radius: 4px;
  font-size: 12px;
  margin-bottom: 8px;
}

.related-news-item h4 {
  font-size: 15px;
  color: var(--foreground);
  margin-bottom: 8px;
  line-height: 1.5;
}

.related-news-date {
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 1024px) {
  .product-detail-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .placeholder-img-large {
    height: 360px;
  }

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

  .news-content-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .features-list {
    grid-template-columns: 1fr;
  }

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

  .news-article {
    padding: 24px;
  }

  .article-body .lead {
    font-size: 16px;
  }

  .spec-label {
    width: 120px;
    padding: 12px 16px;
  }



  .spec-value {
    padding: 12px 16px;
  }
}

/* 滚动渐入动画 */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}


.dqwz { clear:both; width:100%; border-bottom:1px solid #dadada; background:#e7eaee; line-height:35px; text-align:left;}
.dqwza { width:90%; margin:0 auto; text-align:left; font-size:12px; color:#666666; max-width:1200px;}
.dqwza a { color:#666666;}