/* mirror_flow:p6_ai_generated */
:root {
  --primary: #1a3c6e;
  --primary-light: #2a5caa;
  --primary-dark: #0f2440;
  --accent: #e8a817;
  --accent-hover: #f0b832;
  --gray-50: #f8f9fa;
  --gray-100: #f0f2f5;
  --gray-200: #e2e6ea;
  --gray-300: #d1d7de;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --text: #333333;
  --text-light: #666666;
  --white: #ffffff;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --header-height: 68px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--white);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

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

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

ul, ol {
  list-style: none;
}

input, button, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--white);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-logo img {
  height: 42px;
  width: auto;
}

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

.header-nav {
  display: flex;
  align-items: center;
  gap: 0;
  height: 100%;
}

.header-nav a {
  display: flex;
  align-items: center;
  padding: 0 18px;
  height: 100%;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}

.header-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 18px;
  right: 18px;
  height: 3px;
  background-color: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

.header-nav a:hover::after,
.header-nav a.active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-actions .icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition);
}

.header-actions .icon-btn:hover {
  background: var(--gray-100);
}

.banner {
  position: relative;
  width: 100%;
  height: 420px;
  overflow: hidden;
  background: var(--gray-800);
}

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

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.5));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.banner-title {
  color: var(--white);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 2px;
}

.banner-subtitle {
  color: rgba(255,255,255,0.9);
  font-size: 16px;
  margin-top: 12px;
  font-weight: 300;
}

.section {
  padding: 60px 0;
}

.section-gray {
  background-color: var(--gray-50);
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}

.section-title h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.section-title p {
  color: var(--text-light);
  font-size: 14px;
  margin-top: 8px;
}

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

.product-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.product-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--gray-100);
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card-img img {
  transform: scale(1.06);
}

.product-card-body {
  padding: 16px;
}

.product-card-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-body p {
  font-size: 13px;
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: auto;
}

.about-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}

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

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.stat-item {
  text-align: center;
  padding: 20px 12px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.stat-item .stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
}

.stat-item .stat-label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

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

.news-item {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

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

.news-item-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--gray-100);
}

.news-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-item:hover .news-item-img img {
  transform: scale(1.06);
}

.news-item-body {
  padding: 16px;
}

.news-item-body .news-date {
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.news-item-body h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item-body p {
  font-size: 13px;
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.news-sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-color);
  transition: color var(--transition);
}

.news-sidebar-item:last-child {
  border-bottom: none;
}

.news-sidebar-item .news-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}

.news-sidebar-item .news-title {
  flex: 1;
  font-size: 14px;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-sidebar-item .news-date {
  font-size: 12px;
  color: var(--gray-400);
  flex-shrink: 0;
}

.news-sidebar-item:hover .news-title {
  color: var(--primary);
}

.partner-scroll {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 30px;
  padding: 20px 0;
}

.partner-scroll .partner-item {
  flex-shrink: 0;
  padding: 10px 20px;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: box-shadow var(--transition);
}

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

.partner-scroll .partner-item img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

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

.contact-info h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 20px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.contact-info-item .contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-info-item .contact-text {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}

.contact-form {
  background: var(--white);
  padding: 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.contact-form .form-group {
  margin-bottom: 16px;
}

.contact-form label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: var(--gray-50);
  transition: border-color var(--transition);
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  background: var(--white);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-align: center;
  gap: 6px;
}

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

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

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

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

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

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

.btn-sm {
  padding: 6px 16px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.7);
  padding: 50px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
}

.footer-col p {
  font-size: 13px;
  line-height: 1.8;
}

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

.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-col .footer-contact-item {
  display: flex;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 8px;
  align-items: flex-start;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

.mobile-menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 6px;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform var(--transition);
}

.breadcrumb {
  background: var(--gray-50);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light);
}

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

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

.breadcrumb .separator {
  color: var(--gray-400);
}

.page-sidebar-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 30px;
}

.sidebar {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}

.sidebar-title {
  background: var(--primary);
  color: var(--white);
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
}

.sidebar-nav a {
  display: block;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text);
  font-size: 14px;
  transition: all var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: var(--gray-50);
  color: var(--primary);
  padding-left: 25px;
}

.sidebar-nav a:last-child {
  border-bottom: none;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 40px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text);
  background: var(--white);
  transition: all var(--transition);
}

.pagination a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination .current {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

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

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

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

  .page-sidebar-layout {
    grid-template-columns: 220px 1fr;
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .header-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    height: auto;
  }

  .header-nav.open {
    display: flex;
  }

  .header-nav a {
    padding: 14px 20px;
    height: auto;
    border-bottom: 1px solid var(--gray-100);
  }

  .header-nav a::after {
    display: none;
  }

  .header-nav a.active {
    background: var(--gray-50);
  }

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

  .banner {
    height: 260px;
  }

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

  .banner-subtitle {
    font-size: 14px;
  }

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

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

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .stat-item {
    padding: 14px 8px;
  }

  .stat-item .stat-number {
    font-size: 22px;
  }

  .news-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

  .section {
    padding: 40px 0;
  }

  .section-title h2 {
    font-size: 22px;
  }

  .page-sidebar-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    margin-bottom: 20px;
  }

  .contact-form .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 14px;
  }

  .header-logo img {
    height: 32px;
  }

  .header-logo-text {
    font-size: 15px;
  }

  .banner {
    height: 200px;
  }

  .banner-title {
    font-size: 20px;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .partner-scroll {
    gap: 15px;
  }

  .partner-scroll .partner-item {
    padding: 8px 14px;
  }

  .partner-scroll .partner-item img {
    height: 35px;
  }

  .section-title h2 {
    font-size: 20px;
  }

  .btn {
    padding: 8px 18px;
    font-size: 13px;
  }
}