body {
  margin: 0;
  padding: 0;
}

/* 按钮样式 */
.primary-cta-button,
.secondary-cta-button {
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
  display: inline-block;
}

.primary-cta-button {
  background: var(--bg-primary);
  color: var(--primary-color);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.primary-cta-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: var(--transition);
}

.primary-cta-button:hover::before {
  left: 100%;
}

.primary-cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
}

.secondary-cta-button {
  background: transparent;
  color: var(--bg-primary);
  border-color: var(--bg-primary);
}

.secondary-cta-button:hover {
  background: var(--bg-primary);
  color: var(--primary-color);
  transform: translateY(-2px);
}

/* 公司介绍与优势模块 */
.overseas-purposes {
  padding: 60px 0;
  background: var(--bg-primary);
  position: relative;
}

.overseas-purposes::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="purposes-grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="0.5" fill="%23667eea" opacity="0.03"/><circle cx="80" cy="80" r="0.5" fill="%23667eea" opacity="0.03"/><circle cx="40" cy="60" r="0.5" fill="%23667eea" opacity="0.03"/></pattern></defs><rect width="100%" height="100%" fill="url(%23purposes-grain)"/></svg>');
  opacity: 0.5;
}

.overseas-purposes .container {
  position: relative;
  z-index: 2;
}

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

.purpose-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-large);
  padding: 50px 40px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid #e9ecef;
  box-shadow: var(--shadow-light);
  position: relative;
  overflow: hidden;
}

.purpose-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
  transform: scaleX(0);
  transition: var(--transition);
}

.purpose-card:hover::before {
  transform: scaleX(1);
}

.purpose-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-medium);
}

.purpose-card h3 {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: 16px;
}

.purpose-card p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 16px;
}

.tab-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

/* 国际公证认证服务范围模块 */
.international-notarization {
  padding: 60px 20px;
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.international-notarization::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="notary-grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="white" stroke-width="0.3" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23notary-grid)"/></svg>');
  pointer-events: none;
}

.international-notarization .container {
  position: relative;
  z-index: 2;
}

.international-notarization .section-title {
  color: white;
  margin-bottom: 15px;
}

.international-notarization .section-subtitle {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 25px;
}

/* 标签页导航 */
.notarization-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 25px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 8px;
  backdrop-filter: blur(10px);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.tab-button {
  flex: 1;
  padding: 12px 20px;
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-button:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.tab-button.active {
  background: #4A90E2;
  color: white;
  box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

/* 标签页内容 */
.tab-content-container {
  max-width: 1200px;
  margin: 0 auto;
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.notarization-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  padding: 40px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 左侧内容 */
.content-left h3 {
  font-size: 24px;
  color: white;
  margin-bottom: 20px;
  font-weight: var(--font-weight-semibold);
}

.content-description {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: 30px;
  font-size: 15px;
}

.action-buttons {
  display: flex;
  gap: 15px;
}

.btn-primary {
  background: #4A90E2;
  color: white;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 25px;
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  transition: var(--transition);
  display: inline-block;
}

.btn-primary:hover {
  background: #357ABD;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(74, 144, 226, 0.4);
}

.btn-secondary {
  background: transparent;
  color: white;
  padding: 12px 24px;
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 25px;
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  transition: var(--transition);
  display: inline-block;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

/* 右侧服务列表 */
.content-right {
  display: flex;
  flex-direction: column;
}

.service-category h4 {
  color: white;
  font-size: 18px;
  margin-bottom: 20px;
  font-weight: var(--font-weight-semibold);
}

.service-items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.service-item {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-item:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.service-item:last-child {
  background: #4A90E2;
  color: white;
}

.service-item:last-child:hover {
  background: #357ABD;
}

/* 通用样式 */
.section-title {
  text-align: center;
  font-size: 36px;
  margin-bottom: 30px;
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
}

.section-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

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

/* 响应式设计 */
@media (max-width: 768px) {

  .primary-cta-button,
  .secondary-cta-button {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }

  .overseas-purposes {
    padding: 40px 0;
  }

  .purposes-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 30px;
  }

  .purpose-card {
    padding: 30px 25px;
  }

  .international-notarization {
    padding: 40px 20px;
  }

  .notarization-tabs {
    flex-direction: column;
    gap: 8px;
    max-width: 100%;
  }

  .tab-button {
    padding: 15px 20px;
    font-size: 16px;
  }

  .notarization-content {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 30px 20px;
  }

  .content-left h3 {
    font-size: 20px;
  }

  .content-description {
    font-size: 14px;
  }

  .action-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .btn-primary,
  .btn-secondary {
    text-align: center;
    padding: 15px 20px;
  }

  .service-category h4 {
    font-size: 16px;
  }

  .service-items {
    gap: 8px;
  }

  .service-item {
    font-size: 12px;
    padding: 6px 12px;
  }

  .section-title {
    font-size: 28px;
  }
}

@media (max-width: 480px) {

  .purpose-card {
    padding: 25px 20px;
  }

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

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

  /* 国际公证认证模块移动端强制上下堆叠 */
  .notarization-content {
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
  }

  .content-left,
  .content-right {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    box-sizing: border-box !important;
  }
}