/* SEO页面样式 */
.seo-container {
  min-height: 100vh;
  background: #fff;
}

/* 面包屑导航 */
.breadcrumb-section {
  padding: 20px 0;
  background: #f8f9fa;
  border-bottom: 1px solid #e9ecef;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: #6c757d;
}

.breadcrumb-nav a {
  color: #007bff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb-nav a:hover {
  color: #0056b3;
}

.breadcrumb-nav .separator {
  margin: 0 10px;
  color: #6c757d;
}

.breadcrumb-nav .current {
  color: #333;
  font-weight: 500;
}

/* 主区域容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 主标题区域 */
.hero-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-text {
  flex: 1;
}

.main-title {
  font-size: 48px;
  font-weight: 700;
  color: #333;
  margin-bottom: 30px;
  line-height: 1.2;
}

.description {
  margin-bottom: 40px;
}

.description p {
  font-size: 16px;
  line-height: 1.6;
  color: #666;
  margin: 0;
}

.action-buttons {
  display: flex;
  gap: 20px;
}

.get-started-btn {
  background: #ff8800;
  color: white;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
  display: inline-block;
}

.get-started-btn:hover {
  background: #e67700;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 136, 0, 0.3);
}

/* 搜索模拟区域 */
.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.search-mockup {
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 30px;
  width: 100%;
  max-width: 400px;
}

.search-bar {
  display: flex;
  align-items: center;
  background: #f8f9fa;
  border: 2px solid #e9ecef;
  border-radius: 25px;
  padding: 12px 20px;
  margin-bottom: 25px;
  transition: border-color 0.3s ease;
}

.search-bar:hover {
  border-color: #007bff;
}

.search-icon {
  font-size: 18px;
  margin-right: 15px;
  color: #6c757d;
}

.search-input {
  flex: 1;
  height: 20px;
  background: linear-gradient(90deg, #007bff 0%, #007bff 60%, transparent 60%);
  border-radius: 10px;
  animation: typing 2s infinite;
}

@keyframes typing {
  0%, 50% { width: 60%; }
  100% { width: 80%; }
}

.search-results {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-item {
  height: 40px;
  background: linear-gradient(90deg, #007bff 0%, #007bff 70%, transparent 70%);
  border-radius: 6px;
  animation: loading 1.5s infinite ease-in-out;
  opacity: 0.8;
}

.result-item:nth-child(1) { animation-delay: 0s; }
.result-item:nth-child(2) { animation-delay: 0.2s; }
.result-item:nth-child(3) { animation-delay: 0.4s; }
.result-item:nth-child(4) { animation-delay: 0.6s; }

@keyframes loading {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* 挑战区域 */
.challenges-section {
  padding: 80px 0;
  background: white;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: #333;
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.3;
}

.challenge-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.challenge-description p {
  font-size: 16px;
  line-height: 1.6;
  color: #666;
  margin: 0;
}

/* 挑战卡片网格 */
.challenges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.challenge-card {
  background: #f8f9fa;
  padding: 40px 30px;
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid #e9ecef;
}

.challenge-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.challenge-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background: #007bff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.challenge-icon img {
  width: 30px;
  height: 30px;
  filter: brightness(0) invert(1);
}

.challenge-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: #333;
  margin-bottom: 15px;
}

.challenge-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #666;
  margin: 0;
}

/* Swiftproxy产品区域 */
.swiftproxy-section {
  padding: 80px 0;
  background: #f8f9fa;
}

.proxy-product {
  display: flex;
  align-items: center;
  gap: 60px;
  margin-top: 60px;
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.proxy-info {
  flex: 1;
}

.proxy-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  background: #007bff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.proxy-icon img {
  width: 40px;
  height: 40px;
  filter: brightness(0) invert(1);
}

.proxy-info h3 {
  font-size: 24px;
  font-weight: 600;
  color: #333;
  margin-bottom: 20px;
}

.pricing {
  margin-bottom: 30px;
}

.price-label {
  font-size: 14px;
  color: #666;
  margin-right: 10px;
}

.price {
  font-size: 28px;
  font-weight: 700;
  color: #333;
}

.contact-buttons {
  display: flex;
  gap: 20px;
}

.contact-btn {
  background: #ff8800;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.contact-btn:hover {
  background: #e67700;
  transform: translateY(-2px);
}

.learn-more-btn {
  color: #007bff;
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  transition: color 0.3s ease;
}

.learn-more-btn:hover {
  color: #0056b3;
}

.proxy-features {
  flex: 1;
}

.feature-item {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  font-size: 16px;
  color: #333;
}

.feature-icon {
  color: #28a745;
  font-weight: bold;
  margin-right: 12px;
  font-size: 18px;
}

/* 其他用例区域 */
.other-usecases-section {
  padding: 80px 0;
  background: white;
}

.usecase-description {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.usecase-description p {
  font-size: 16px;
  line-height: 1.6;
  color: #666;
  margin: 0;
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.usecase-card {
  background: #f8f9fa;
  padding: 30px 20px;
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.usecase-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.usecase-card.active {
  background: #e3f2fd;
  border-color: #007bff;
}

.usecase-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 15px;
  background: #007bff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.usecase-icon img {
  width: 25px;
  height: 25px;
  filter: brightness(0) invert(1);
}

.usecase-card h3 {
  font-size: 14px;
  font-weight: 500;
  color: #333;
  margin: 0;
  line-height: 1.3;
}

.view-all-btn-container {
  text-align: center;
}

.view-all-btn {
  display: inline-block;
  padding: 12px 30px;
  border: 2px solid #333;
  border-radius: 25px;
  color: #333;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.view-all-btn:hover {
  background: #333;
  color: white;
}

/* 快速启动区域 */
.quick-start-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: white;
  text-align: center;
}

.quick-start-content {
  max-width: 800px;
  margin: 0 auto;
}

.quick-start-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.quick-start-desc {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 40px;
  opacity: 0.9;
}

.free-trial-btn {
  background: white;
  color: #333;
  padding: 15px 40px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
  display: inline-block;
}

.free-trial-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero-content {
    flex-direction: column;
    gap: 40px;
    text-align: center;
  }
  
  .main-title {
    font-size: 36px;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .quick-start-title {
    font-size: 36px;
  }
  
  .hero-section {
    padding: 60px 0;
  }
  
  .challenges-section,
  .swiftproxy-section,
  .other-usecases-section {
    padding: 60px 0;
  }
  
  .quick-start-section {
    padding: 80px 0;
  }
  
  .search-mockup {
    max-width: 100%;
  }
  
  .container {
    padding: 0 15px;
  }
  
  .proxy-product {
    flex-direction: column;
    gap: 40px;
    text-align: center;
  }
  
  .challenges-grid {
    grid-template-columns: 1fr;
  }
  
  .usecases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .main-title {
    font-size: 28px;
  }
  
  .section-title {
    font-size: 24px;
  }
  
  .quick-start-title {
    font-size: 28px;
  }
  
  .get-started-btn,
  .contact-btn,
  .free-trial-btn {
    padding: 12px 24px;
    font-size: 14px;
  }
  
  .usecases-grid {
    grid-template-columns: 1fr;
  }
  
  .challenge-card,
  .proxy-product {
    padding: 30px 20px;
  }
}