/* Base reset */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { font-size: 16px; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif; color: #222; background: #f7f7f7; }

/* Colors and variables */
:root {
  --brand: #0f8fff;
  --text: #222;
  --muted: #777;
  --border: #eee;
  --bg: #f7f7f7;
  --ad-bg: #fff7e6;
}

.container { max-width: 860px; margin: 0 auto; padding: 0 12px; }

/* Header */
.site-header { 
  position: relative;
  background: linear-gradient(135deg, #4285f4, #007bff); 
  border-bottom: none;
  box-shadow: 0 2px 10px rgba(66, 133, 244, 0.15);
}
.site-header .bar { 
  display: flex; 
  align-items: center; 
  gap: 12px; 
  height: 56px; 
  position: relative;
}
.site-logo { 
  font-weight: 700; 
  color: #fff; 
  text-decoration: none; 
  font-size: 18px; 
  white-space: nowrap;
  text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* 返回按钮样式优化 */
.back-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.back-button:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateX(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}
.back-button:active {
  transform: translateX(-1px) scale(1.02);
  background: rgba(255, 255, 255, 0.3);
}
.back-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}
.back-button:hover::before {
  left: 100%;
}
.back-icon {
  font-size: 20px;
  font-weight: bold;
  transition: all 0.3s ease;
  line-height: 1;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
}
.back-button:hover .back-icon {
  transform: translateX(-1px);
}

.site-search { flex: 1; display: flex; align-items: center; gap: 8px; }
.site-search input[type="search"],
.site-search input[type="text"] {
  width: 100%;
  height: 40px;
  border: none;
  border-radius: 20px;
  padding: 0 16px;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.site-search input[type="search"]:focus,
.site-search input[type="text"]:focus {
  outline: none;
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}
.site-search input[type="search"]::placeholder,
.site-search input[type="text"]::placeholder { 
  color: #666; 
  font-weight: 400;
}

/* 搜索按钮样式优化 */
.site-search button {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 12px;
  border: 0;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.site-search button:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}
.site-search button:active {
  transform: translateY(0) scale(1.02);
  background: rgba(255, 255, 255, 0.35);
}
.site-search button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
  border-radius: 12px;
}
.site-search button:hover::before {
  left: 100%;
}
.search-icon {
  font-size: 18px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
}

/* Footer */
.site-footer {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-top: 1px solid #dee2e6;
  padding: 20px 0;
  margin-top: 30px;
  font-size: 13px;
}

.site-footer .footer-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  margin-bottom: 15px;
}

.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 1;
}

.site-footer .footer-logo {
  width: 90px;
  height: 27px;
  object-fit: contain;
  filter: drop-shadow(0 1px 3px rgba(66, 133, 244, 0.1));
  flex-shrink: 0;
}

.site-footer .brand-info h4 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: #2c3e50;
  background: linear-gradient(135deg, #4285f4, #007bff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-footer .brand-info p {
  margin: 0;
  color: #6c757d;
  font-size: 12px;
  line-height: 1.3;
}

.site-footer .footer-links {
  display: flex;
  gap: 20px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.site-footer .footer-links a {
  color: #6c757d;
  text-decoration: none;
  font-size: 12px;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.site-footer .footer-links a:hover {
  color: #4285f4;
}

.site-footer .footer-bottom {
  padding-top: 15px;
  border-top: 1px solid #dee2e6;
}

.site-footer .footer-company-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 15px;
}

.site-footer .company-details h4 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: #2c3e50;
}

.site-footer .company-contact p {
  margin: 0 0 8px;
  font-size: 12px;
  color: #6c757d;
  line-height: 1.5;
}

.site-footer .company-contact p:last-child {
  margin-bottom: 0;
}

.site-footer .company-contact a {
  color: #4285f4;
  text-decoration: none;
  transition: color 0.3s ease;
}

.site-footer .company-contact a:hover {
  color: #007bff;
  text-decoration: underline;
}

.site-footer .footer-legal {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 20px;
}

.site-footer .footer-copyright {
  font-size: 12px;
  color: #6c757d;
  line-height: 1.4;
}

.site-footer .icp-number {
  display: block;
  font-size: 11px;
  opacity: 0.8;
  margin-top: 4px;
}

.site-footer .footer-meta {
  display: flex;
  gap: 15px;
  flex-shrink: 0;
}

.site-footer .footer-meta a {
  color: #6c757d;
  text-decoration: none;
  font-size: 12px;
  transition: color 0.3s ease;
}

.site-footer .footer-meta a:hover {
  color: #4285f4;
}

/* Ad blocks */
/* 隐藏所有广告位 */
.ad-block {
  display: none !important;
}
.ad-inline { margin: 12px 0; }
.ad-large { margin: 12px 0; min-height: 80px; display: flex; align-items: center; justify-content: center; }

/* Feed list (information flow) */
.feed { list-style: none; padding: 0; margin: 0; }
.feed-item { background: #fff; border-bottom: 1px solid var(--border); }
.feed-link { display: block; padding: 12px; color: inherit; text-decoration: none; }
/* 隐藏缩略图 */
.feed-thumb {
  display: none;
}
.feed-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.feed-body h3 { margin: 0 0 6px; font-size: 16px; line-height: 1.35; font-weight: 600; color: #111; }
.feed-summary { margin: 0 0 6px; color: #555; font-size: 13px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.feed-meta { color: var(--muted); font-size: 12px; }
.ad-item { padding: 8px 12px; background: #fff; }

/* Page hero spacing */
.page { padding-bottom: 24px; }
.page .top-ad { margin-top: 8px; }

/* Content page */
.article { background: #fff; padding: 14px; }
.article-title { margin: 6px 0 10px; font-size: 20px; line-height: 1.35; }
.article-meta { color: var(--muted); font-size: 12px; margin-bottom: 10px; display: none; }
.article-cover { width: 100%; height: 200px; object-fit: cover; border-radius: 6px; background: #f0f0f0; margin: 6px 0 12px; }
.article-body { font-size: 17px; line-height: 1.85; color: #1a1a1a; letter-spacing: 0.2px; }
.article-body p { margin: 0 0 14px; }
.article-body h2 { font-size: 18px; margin: 18px 0 10px; font-weight: 600; }
.article-body h3 { font-size: 16px; margin: 16px 0 8px; font-weight: 600; }
.article-body ul, .article-body ol { padding-left: 1.2em; margin: 0 0 14px; }
.article-body strong { color: #111; }
.article-body img { display: none !important; }
.article .ad-top { margin: 10px 0; }
.article .ad-bottom { margin: 12px 0 0; }

/* Contact page styles */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 20px;
}

.contact-section {
  background: #fff;
  padding: 24px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.contact-section h2 {
  margin: 0 0 20px;
  font-size: 18px;
  color: #2c3e50;
  border-bottom: 2px solid #4285f4;
  padding-bottom: 8px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item h3 {
  margin: 0 0 8px;
  font-size: 14px;
  color: #495057;
}

.contact-item p {
  margin: 0;
  color: #6c757d;
  font-size: 16px;
  font-weight: 500;
}

.contact-item small {
  display: block;
  margin-top: 4px;
  color: #adb5bd;
  font-size: 12px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-weight: 500;
  color: #495057;
  font-size: 14px;
}

.form-group input,
.form-group textarea {
  padding: 12px;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #4285f4;
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1);
}

.submit-btn {
  padding: 12px 24px;
  background: linear-gradient(135deg, #4285f4, #007bff);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 8px;
}

.submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

.address-info p {
  margin: 0 0 8px;
  color: #6c757d;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.social-link {
  color: #4285f4;
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid #4285f4;
  border-radius: 20px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: #4285f4;
  color: #fff;
}

/* Cooperation page styles */
.cooperation-intro {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 30px;
  text-align: center;
}

.cooperation-intro p {
  margin: 0;
  color: #6c757d;
  font-size: 16px;
  line-height: 1.6;
}

.cooperation-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.cooperation-section {
  margin-bottom: 20px;
}

.cooperation-section h2 {
  margin: 0 0 24px;
  font-size: 20px;
  color: #2c3e50;
  border-bottom: 2px solid #4285f4;
  padding-bottom: 10px;
}

.cooperation-types {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.cooperation-card {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

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

.cooperation-card h3 {
  margin: 0 0 12px;
  font-size: 16px;
  color: #2c3e50;
}

.cooperation-card p {
  margin: 0;
  color: #6c757d;
  line-height: 1.6;
}

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

.advantage-item {
  text-align: center;
  padding: 20px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

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

.advantage-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: #2c3e50;
}

.advantage-item p {
  margin: 0;
  color: #6c757d;
  font-size: 14px;
  line-height: 1.5;
}

.contact-box {
  background: #f8f9fa;
  padding: 24px;
  border-radius: 8px;
  text-align: center;
}

.contact-box p {
  margin: 0 0 20px;
  color: #6c757d;
  font-size: 16px;
}

.contact-details {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.contact-method {
  text-align: center;
  min-width: 200px;
}

.contact-method h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: #2c3e50;
}

.contact-method p {
  margin: 0 0 4px;
  color: #6c757d;
  font-size: 14px;
}

.contact-method small {
  color: #adb5bd;
  font-size: 12px;
}

/* Help page styles */
.help-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.help-section {
  margin-bottom: 16px;
}

.help-section h2 {
  margin: 0 0 20px;
  font-size: 20px;
  color: #2c3e50;
  border-bottom: 2px solid #4285f4;
  padding-bottom: 10px;
}

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

.faq-item {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  border-left: 4px solid #4285f4;
}

.faq-item h3 {
  margin: 0 0 12px;
  font-size: 16px;
  color: #2c3e50;
}

.faq-item p {
  margin: 0;
  color: #6c757d;
  line-height: 1.6;
}

.support-info {
  background: #f8f9fa;
  padding: 24px;
  border-radius: 8px;
  text-align: center;
}

.support-info p {
  margin: 0 0 24px;
  color: #6c757d;
  font-size: 16px;
}

.support-methods {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.support-item {
  text-align: center;
  min-width: 180px;
}

.support-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: #2c3e50;
}

.support-item p {
  margin: 0 0 4px;
  color: #6c757d;
  font-size: 14px;
}

.service-notice {
  background: #fff3cd;
  border: 1px solid #ffeaa7;
  padding: 20px;
  border-radius: 8px;
}

.service-notice p {
  margin: 0 0 12px;
  color: #856404;
  line-height: 1.6;
}

.service-notice p:last-child {
  margin-bottom: 0;
}

/* Privacy page styles */
.privacy-content {
  max-width: 800px;
  margin: 0 auto;
}

.policy-section {
  margin-bottom: 32px;
  line-height: 1.7;
}

.policy-section h2 {
  margin: 0 0 16px;
  font-size: 20px;
  color: #2c3e50;
  border-bottom: 2px solid #4285f4;
  padding-bottom: 8px;
}

.policy-section p {
  margin: 0 0 16px;
  color: #495057;
}

.policy-section h3 {
  margin: 20px 0 12px;
  font-size: 16px;
  color: #2c3e50;
}

.policy-section ul {
  margin: 16px 0;
  padding-left: 24px;
}

.policy-section li {
  margin-bottom: 8px;
  color: #6c757d;
}

.policy-section strong {
  color: #2c3e50;
}

.policy-date {
  text-align: center;
  color: #6c757d;
  font-size: 14px;
  margin-bottom: 32px;
  padding: 12px;
  background: #f8f9fa;
  border-radius: 6px;
}

/* Utilities */
.hidden { display: none !important; }
.muted { color: var(--muted); }

/* Desktop tweaks */
@media (min-width: 960px) {
  .site-header .bar { height: 60px; }
  .feed-link { padding: 14px; }
}

/* Mobile optimizations */
@media (max-width: 480px) {
  .site-header .bar {
    height: 52px;
    gap: 10px;
  }
  .back-button {
    width: 36px;
    height: 36px;
  }
  .back-icon {
    font-size: 18px;
  }
  .site-search input[type="search"],
  .site-search input[type="text"] {
    font-size: 14px;
    height: 36px;
    padding: 0 14px;
  }
  .site-search button {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
  .search-icon {
    font-size: 16px;
  }
  .site-logo {
    font-size: 16px;
  }

  /* Footer mobile optimizations */
  .site-footer {
    padding: 18px 0 15px;
    margin-top: 25px;
  }

  .site-footer .footer-main {
    flex-direction: column;
    gap: 15px;
    margin-bottom: 12px;
  }

  .site-footer .footer-brand {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }

  .site-footer .footer-logo {
    width: 80px;
    height: 24px;
  }

  .site-footer .brand-info h4 {
    font-size: 14px;
  }

  .site-footer .brand-info p {
    font-size: 11px;
    text-align: center;
  }

  .site-footer .footer-links {
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
  }

  .site-footer .footer-bottom {
    padding-top: 12px;
  }

  .site-footer .footer-company-info {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 12px;
  }

  .site-footer .company-details h4 {
    font-size: 15px;
  }

  .site-footer .company-contact p {
    font-size: 11px;
  }

  .site-footer .footer-legal {
    flex-direction: column;
    gap: 12px;
    align-items: center;
    text-align: center;
  }

  .site-footer .footer-copyright {
    text-align: center;
  }

  .site-footer .icp-number {
    font-size: 10px;
    margin-top: 3px;
  }

  .site-footer .footer-meta {
    justify-content: center;
    gap: 12px;
  }

  .site-footer .footer-meta a {
    font-size: 11px;
  }

  /* Contact page mobile styles */
  .contact-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-section {
    padding: 20px;
  }

  .contact-form {
    gap: 14px;
  }

  .form-group input,
  .form-group textarea {
    padding: 10px;
    font-size: 14px;
  }

  .submit-btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  .social-links {
    gap: 12px;
  }

  .social-link {
    padding: 6px 12px;
    font-size: 13px;
  }

  /* Cooperation page mobile styles */
  .cooperation-types {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .cooperation-card {
    padding: 16px;
  }

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

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

  .contact-box {
    padding: 20px;
  }

  .contact-details {
    gap: 16px;
  }

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

  /* Help page mobile styles */
  .help-section {
    margin-bottom: 24px;
  }

  .faq-item {
    margin-bottom: 16px;
  }

  .support-methods {
    gap: 16px;
  }

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

  .service-notice p {
    font-size: 14px;
  }

  /* Privacy page mobile styles */
  .policy-section {
    margin-bottom: 24px;
  }

  .policy-section h2 {
    font-size: 18px;
  }

  .policy-section ul {
    padding-left: 20px;
  }

  .policy-date {
    text-align: center;
    color: #6c757d;
    font-size: 14px;
    margin-bottom: 20px;
  }

  /* Terms page mobile styles */
  .policy-section {
    margin-bottom: 24px;
  }

  .policy-section h2 {
    font-size: 18px;
  }

  .policy-section ul {
    padding-left: 20px;
  }
}

/* 首页产品展示样式 */
.home-products {
  margin: 30px 0;
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.products-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  border-bottom: 2px solid #f0f0f0;
  padding-bottom: 15px;
}

.products-header h2 {
  margin: 0;
  font-size: 24px;
  color: #2c3e50;
  font-weight: 600;
}

.view-all {
  color: #4285f4;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.view-all:hover {
  color: #007bff;
  text-decoration: underline;
}

.products-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
}

.product-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #f0f0f0;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 35px rgba(0,0,0,0.15);
}

.product-image {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.product-overlay {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(66, 133, 244, 0.9);
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.product-content {
  padding: 20px;
}

.product-content h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: #2c3e50;
  font-weight: 600;
}

.product-content p {
  margin: 0 0 15px;
  color: #6c757d;
  line-height: 1.6;
  font-size: 14px;
}

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

.feature-tag {
  background: #e3f2fd;
  color: #1976d2;
  padding: 4px 10px;
  border-radius: 15px;
  font-size: 12px;
  font-weight: 500;
}

/* 行业应用板块样式 */
.industry-applications {
  background: #f8f9fa;
  padding: 60px 0;
  margin: 40px 0;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.industry-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 35px rgba(0,0,0,0.15);
}

.industry-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.industry-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.industry-content {
  padding: 20px;
}

.industry-content h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: #2c3e50;
  font-weight: 600;
}

.industry-content p {
  margin: 0;
  color: #6c757d;
  line-height: 1.6;
  font-size: 14px;
}

/* 服务与支持板块样式 */
.services-support {
  background: linear-gradient(135deg, #4285f4 0%, #007bff 100%);
  padding: 60px 0;
  color: white;
  margin: 40px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.service-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 30px 20px;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s ease, background-color 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
}

.service-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.service-card h3 {
  margin: 0 0 15px;
  font-size: 20px;
  font-weight: 600;
}

.service-card p {
  margin: 0 0 20px;
  opacity: 0.9;
  line-height: 1.6;
}

.service-link {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.service-link:hover {
  color: #4285f4;
}

.service-link.disabled {
  color: rgba(255, 255, 255, 0.6);
  cursor: not-allowed;
  opacity: 0.7;
}

/* 社交链接禁用样式 */
.social-link.disabled {
  color: #6c757d;
  cursor: not-allowed;
  opacity: 0.7;
  background: #f8f9fa;
  border-color: #dee2e6;
}

/* 技术特色板块样式 */
.tech-features {
  padding: 60px 0;
  margin: 40px 0;
  background: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
  background: #f8f9fa;
  padding: 30px;
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.feature-image {
  width: 100%;
  height: 200px;
  border-radius: 8px;
  overflow: hidden;
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.feature-content h3 {
  margin: 0 0 15px;
  font-size: 24px;
  color: #2c3e50;
  font-weight: 600;
}

.feature-content p {
  margin: 0;
  color: #6c757d;
  line-height: 1.6;
  font-size: 16px;
}

/* 新闻资讯板块样式 */
.news-section {
  background: #f8f9fa;
  padding: 60px 0;
  margin: 40px 0;
}

.news-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin-top: 40px;
}

.news-item.featured {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.news-item.featured .news-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.news-item.featured .news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.news-item.featured .news-content {
  padding: 30px;
}

.news-item.featured h3 {
  margin: 0 0 15px;
  font-size: 24px;
  color: #2c3e50;
  font-weight: 600;
}

.news-item.featured p {
  margin: 0 0 20px;
  color: #6c757d;
  line-height: 1.6;
  font-size: 16px;
}

.news-sidebar .news-item {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.news-sidebar .news-item h4 {
  margin: 0 0 10px;
  font-size: 16px;
  color: #2c3e50;
  font-weight: 600;
}

.news-sidebar .news-item p {
  margin: 0 0 15px;
  color: #6c757d;
  line-height: 1.5;
  font-size: 14px;
}

.news-meta {
  display: flex;
  gap: 15px;
  font-size: 12px;
  color: #adb5bd;
}

.news-date {
  color: #4285f4;
  font-weight: 500;
}

.news-category {
  background: #e3f2fd;
  color: #1976d2;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 11px;
}

/* 合作伙伴板块样式 */
.partners-section {
  background: #fff;
  padding: 60px 0;
  margin: 40px 0;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 30px;
  align-items: center;
  margin-top: 40px;
}

.partner-logo {
  text-align: center;
  padding: 20px;
  background: #f8f9fa;
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.partner-logo:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.partner-logo img {
  max-width: 120px;
  max-height: 60px;
  object-fit: contain;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.partner-logo:hover img {
  filter: grayscale(0%);
}

/* 通用板块样式 */
.section-header {
  text-align: center;
  margin-bottom: 20px;
}

.section-header h2 {
  margin: 0 0 15px;
  font-size: 32px;
  color: #2c3e50;
  font-weight: 700;
}

.section-header p {
  margin: 0 auto;
  font-size: 18px;
  color: #6c757d;
  max-width: 600px;
  line-height: 1.6;
}

/* 移动端响应式 */
@media (max-width: 768px) {
  .home-products {
    padding: 20px;
    margin: 20px 0;
  }

  .products-header {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  .products-header h2 {
    font-size: 20px;
  }

  .products-showcase {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .product-content {
    padding: 16px;
  }

  .product-content h3 {
    font-size: 16px;
  }

  .product-features {
    justify-content: center;
  }

  /* 新增板块移动端样式 */
  .industry-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-card {
    padding: 20px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .feature-card {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 20px;
  }

  .news-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .news-item.featured {
    grid-template-columns: 1fr;
  }

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

  .section-header h2 {
    font-size: 24px;
  }

  .section-header p {
    font-size: 16px;
  }

  /* 移动端容器优化 */
  .container {
    padding: 0 15px;
  }

  /* 移动端网格优化 */
  .industry-applications .container,
  .services-support .container,
  .tech-features .container,
  .news-section .container,
  .partners-section .container {
    padding: 0;
  }

  /* 移动端文字优化 */

  /* 移动端间距优化 */
  .industry-applications,
  .services-support,
  .tech-features,
  .news-section,
  .partners-section {
    padding: 40px 0;
    margin: 30px 0;
  }
}