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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: #333;
}

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

/* 导航栏 */
.navbar {
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #007bff;
}

.nav-links a {
  margin-left: 30px;
  text-decoration: none;
  color: #333;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #007bff;
}

/* Hero 区域 */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 150px 0 100px;
  text-align: center;
  margin-top: 60px;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
}

.hero .subtitle {
  font-size: 24px;
  margin-bottom: 20px;
  opacity: 0.9;
}

.hero .description {
  font-size: 18px;
  margin-bottom: 40px;
  opacity: 0.8;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 16px;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #007bff;
  color: white;
}

.btn-primary:hover {
  background: #0056b3;
}

.btn-outline {
  background: transparent;
  border: 2px solid #007bff;
  color: #007bff;
}

.btn-outline:hover {
  background: #007bff;
  color: white;
}

.btn-secondary {
  background: #6c757d;
  color: white;
}

.btn-block {
  width: 100%;
}

.trust-badge {
  margin-top: 30px;
  font-size: 14px;
  opacity: 0.8;
}

/* 价格区域 */
.pricing {
  padding: 100px 0;
  background: #f8f9fa;
}

.pricing h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 60px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.pricing-card {
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  text-align: center;
  position: relative;
  transition: transform 0.3s;
}

.pricing-card:hover {
  transform: translateY(-10px);
}

.pricing-card.featured {
  border: 3px solid #007bff;
  transform: scale(1.05);
}

.pricing-card .badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: #007bff;
  color: white;
  padding: 5px 20px;
  border-radius: 20px;
  font-size: 14px;
}

.pricing-card h3 {
  font-size: 24px;
  margin-bottom: 20px;
}

.price {
  font-size: 48px;
  color: #007bff;
  font-weight: bold;
  margin-bottom: 30px;
}

.features {
  list-style: none;
  text-align: left;
  margin-bottom: 30px;
}

.features li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
}

/* 文档清单 */
.documents {
  padding: 100px 0;
}

.documents h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 60px;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.doc-category {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 10px;
}

.doc-category h4 {
  font-size: 20px;
  margin-bottom: 20px;
  color: #007bff;
}

.doc-category ul {
  list-style: none;
}

.doc-category li {
  padding: 8px 0;
  border-bottom: 1px solid #eee;
}

/* FAQ */
.faq {
  padding: 100px 0;
  background: #f8f9fa;
}

.faq h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 60px;
}

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

.faq-item {
  background: white;
  padding: 30px;
  margin-bottom: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-item h4 {
  font-size: 18px;
  margin-bottom: 15px;
  color: #007bff;
}

.faq-item p {
  color: #666;
  line-height: 1.8;
}

/* 页脚 */
.footer {
  background: #333;
  color: white;
  padding: 60px 0 30px;
}

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

.footer-section h4 {
  margin-bottom: 20px;
  color: #007bff;
}

.footer-section p {
  opacity: 0.8;
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #555;
  opacity: 0.6;
}

/* 弹窗 */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
}

.modal-content {
  background: white;
  margin: 10% auto;
  padding: 40px;
  border-radius: 10px;
  max-width: 500px;
  position: relative;
}

.close {
  position: absolute;
  right: 20px;
  top: 20px;
  font-size: 28px;
  cursor: pointer;
  color: #999;
}

.close:hover {
  color: #333;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
}

.form-group input[type="email"] {
  width: 100%;
  padding: 12px;
  border: 2px solid #ddd;
  border-radius: 5px;
  font-size: 16px;
}

.form-group input[type="email"]:focus {
  border-color: #007bff;
  outline: none;
}

.payment-options {
  display: flex;
  gap: 20px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

/* 响应式 */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .nav-links {
    display: none;
  }
}


/* 产品展示 - 滚动样式 */
.products-section {
  padding: 100px 0;
  background: white;
}

.products-section h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 15px;
  color: #2c3e50;
}

.section-subtitle {
  text-align: center;
  font-size: 18px;
  color: #666;
  margin-bottom: 20px;
}

.hero-home {
  background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
  padding: 180px 0 120px;
}

.products-scroll-container {
  position: relative;
  margin-top: 60px;
}

.products-scroll {
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: 20px 10px;
  gap: 30px;
  scrollbar-width: thin;
  scrollbar-color: #3498db #f1f1f1;
}

.products-scroll::-webkit-scrollbar {
  height: 8px;
}

.products-scroll::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

.products-scroll::-webkit-scrollbar-thumb {
  background: #3498db;
  border-radius: 4px;
}

.products-scroll::-webkit-scrollbar-thumb:hover {
  background: #2980b9;
}

.product-item {
  flex: 0 0 280px;
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
}

.product-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  border-color: #3498db;
}

.product-icon {
  margin-bottom: 20px;
}

.product-icon div {
  display: inline-block;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  line-height: 80px;
  font-size: 24px;
  font-weight: bold;
  color: white;
}

.icon-9001 {
  background: linear-gradient(135deg, #3498db, #2980b9);
}

.icon-27001 {
  background: linear-gradient(135deg, #27ae60, #229954);
}

.icon-gdpr {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.icon-14001 {
  background: linear-gradient(135deg, #16a085, #1abc9c);
}

.icon-45001 {
  background: linear-gradient(135deg, #8e44ad, #9b59b6);
}

.icon-more {
  background: linear-gradient(135deg, #f39c12, #d68910);
}

.product-item h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: #2c3e50;
}

.product-item p {
  color: #666;
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.6;
}

/* 滚动控制按钮 */
.scroll-controls {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.scroll-btn {
  background: #3498db;
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-btn:hover {
  background: #2980b9;
  transform: scale(1.1);
}

.scroll-btn:disabled {
  background: #bdc3c7;
  cursor: not-allowed;
  transform: none;
}

.scroll-btn span {
  line-height: 1;
}

/* 解决方案区域 */
.solutions-section {
  padding: 100px 0;
  background: #f8f9fa;
}

.solutions-section h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 15px;
  color: #2c3e50;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.solution-card {
  background: white;
  border-radius: 10px;
  padding: 40px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
  position: relative;
  transition: all 0.3s;
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.solution-card.popular {
  border: 3px solid #3498db;
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: #3498db;
  color: white;
  padding: 5px 20px;
  border-radius: 20px;
  font-size: 14px;
}

.solution-card h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: #2c3e50;
}

.solution-price {
  font-size: 36px;
  font-weight: bold;
  color: #3498db;
  margin-bottom: 30px;
}

.solution-features {
  list-style: none;
  text-align: left;
  margin-bottom: 30px;
}

.solution-features li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
  color: #555;
}

/* 为什么选择我们 */
.why-us-section {
  padding: 100px 0;
  background: white;
}

.why-us-section h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 60px;
  color: #2c3e50;
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.why-us-item {
  text-align: center;
  padding: 30px;
}

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

.why-us-item h4 {
  font-size: 20px;
  margin-bottom: 15px;
  color: #2c3e50;
}

.why-us-item p {
  color: #666;
  line-height: 1.6;
}

/* 联系我们 */
.contact-section {
  padding: 100px 0;
  background: #f8f9fa;
}

.contact-section h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 15px;
  color: #2c3e50;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
  margin-top: 60px;
}

.contact-info {
  padding: 30px;
}

.contact-info h3 {
  font-size: 20px;
  margin-bottom: 20px;
  color: #2c3e50;
}

.contact-info p {
  margin-bottom: 15px;
  color: #555;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #2c3e50;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* 页脚 */
.footer {
  background: #2c3e50;
  color: white;
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h3 {
  font-size: 20px;
  margin-bottom: 20px;
  color: white;
}

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 20px;
  color: white;
}

.footer-col p {
  color: #bdc3c7;
  line-height: 1.6;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: #bdc3c7;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-col ul li a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #3d566e;
  padding-top: 30px;
  text-align: center;
  color: #bdc3c7;
  font-size: 14px;
}

/* Logo链接样式 */
.logo a {
  color: #007bff;
  text-decoration: none;
}

.logo a:hover {
  color: #0056b3;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }
  
  .hero .subtitle {
    font-size: 18px;
  }
  
  .pricing-grid,
  .solutions-grid,
  .why-us-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .navbar .container {
    flex-direction: column;
    gap: 15px;
  }
  
  .nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }
  
  .nav-links a {
    margin-left: 0;
  }
  
  /* 移动端产品滚动 */
  .products-scroll {
    padding: 20px 5px;
    gap: 15px;
  }
  
  .product-item {
    flex: 0 0 250px;
    padding: 20px;
  }
  
  .scroll-btn {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
}