/* 联系页面样式 */
:root {
  --primary-color: #1e88e5;
  --primary-dark: #1565c0;
  --secondary-color: #424242;
  --accent-color: #ff9800;
  --light-color: #f5f5f5;
  --dark-color: #212121;
  --text-color: #333333;
  --border-radius: 8px;
  --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: #f9f9f9;
}

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

/* 页面横幅 */
.page-banner {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 60px 0;
  text-align: center;
}

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

.banner-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 15px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.breadcrumbs {
  font-size: 14px;
}

.breadcrumbs a {
  color: white;
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

/* 联系页面主体 */
.contact-page {
  padding: 60px 0;
}

/* 公司基本信息 */
.company-profile {
  display: flex;
  align-items: center;
  background-color: white;
  border-radius: var(--border-radius);
  padding: 30px;
  margin-bottom: 40px;
  box-shadow: var(--box-shadow);
}

.company-logo {
  flex: 0 0 120px;
  margin-right: 30px;
}

.company-logo img {
  width: 100%;
  height: auto;
  border-radius: 50%;
  border: 3px solid var(--primary-color);
}

.company-details {
  flex: 1;
}

.company-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.company-intro {
  color: var(--secondary-color);
  margin: 0;
}

/* 联系信息卡片 */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 25px;
  margin-bottom: 50px;
}

.contact-card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 25px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.card-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 28px;
}

.card-content {
  width: 100%;
}

.card-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--dark-color);
}

.card-content p {
  margin: 0 0 8px;
  color: var(--secondary-color);
}

.card-content p:last-child {
  margin-bottom: 0;
}

.card-content p i {
  margin-right: 8px;
  color: var(--primary-color);
}

/* 留言部分 */
.message-section {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 40px;
  box-shadow: var(--box-shadow);
}

.section-header {
  text-align: center;
  margin-bottom: 30px;
}

.section-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 10px;
}

.section-header p {
  color: var(--secondary-color);
  margin: 0;
}

.message-form {
  max-width: 800px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  flex: 1;
  margin-bottom: 20px;
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--dark-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #e0e0e0;
  border-radius: var(--border-radius);
  font-size: 15px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.2);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.captcha-row {
  align-items: flex-end;
}

.captcha-input {
  display: flex;
  gap: 10px;
}

.captcha-input input {
  flex: 1;
}

.captcha-img {
  height: 46px;
  border-radius: var(--border-radius);
  cursor: pointer;
}

.submit-btn {
  width: 100%;
  padding: 14px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.submit-btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 45px;
  height: 45px;
  background-color: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  opacity: 0;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.back-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
}

/* 响应式设计 */
@media screen and (max-width: 992px) {
  .contact-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 768px) {
  .page-banner {
    padding: 40px 0;
  }
  
  .banner-title {
    font-size: 28px;
  }
  
  .company-profile {
    flex-direction: column;
    text-align: center;
  }
  
  .company-logo {
    margin-right: 0;
    margin-bottom: 20px;
  }
  
  .contact-cards {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    flex-direction: column;
    gap: 20px;
  }
  
  .message-section {
    padding: 30px 20px;
  }
}

@media screen and (max-width: 480px) {
  .captcha-input {
    flex-direction: column;
  }
  
  .captcha-img {
    width: 100%;
    height: auto;
  }
}