/* 关于我们区域 */
.about {
  background: #fff;
}

.about .col-image img {
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.about .col-content {
  padding-left: 40px;
}

.about h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--dark-bg);
}

.about .subtitle {
  font-style: italic;
  color: #666;
  margin-bottom: 20px;
}

.check-list {
  margin: 25px 0;
}

.check-list li {
  padding: 8px 0;
  font-size: 15px;
  color: var(--text-color);
}

.check-list li::before {
  color: var(--primary-color);
  margin-right: 8px;
  font-weight: bold;
}

/* 特色功能区域 */
.features {
  background: var(--light-gray);
}

.features .col-image {
  background-size: cover;
  background-position: center;
  min-height: 500px;
  border-radius: 8px;
}

.features .col-content {
  padding-left: 40px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 30px;
  padding: 25px;
  background: #fff;
  border-radius: 8px;
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateX(10px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature-item .icon {
  width: 60px;
  height: 60px;
  min-width: 60px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 196, 81, 0.1);
  border-radius: 8px;
}

.feature-item .icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
}

.feature-item .content {
  flex: 1;
}

.feature-item h4 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark-bg);
  line-height: 1.3;
}

.feature-item p {
  color: #666;
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

/* 服务区域 */
.services {
  background: #fff;
}

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

.service-box {
  padding: 60px 30px;
  text-align: center;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: #fff;
  transition: var(--transition);
}

.service-box:hover {
  border-color: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-10px);
}

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

.service-box .icon img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.service-box h4 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--dark-bg);
}

.service-box p {
  color: var(--text-color);
  line-height: 1.8;
}

/* CTA 区域 */
.cta {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
              url('../image/cta-bg.jpg') center center no-repeat;
  background-size: cover;
  background-attachment: fixed;
  padding: 80px 0;
  text-align: center;
}

.cta-content h3 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 15px;
}

.cta-content p {
  font-size: 18px;
  color: #fff;
  margin-bottom: 25px;
}

/* 联系我们区域 */
.contact {
  background: #fff;
}

.info-item {
  margin-bottom: 30px;
  display: flex;
  gap: 20px;
}

.info-item .icon {
  font-size: 28px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-item .icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  display: block;
}

.info-item h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--dark-bg);
}

.info-item p {
  color: var(--text-color);
  font-size: 14px;
}

/* 联系表单 */
.contact-form {
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-message {
  padding: 10px;
  margin-bottom: 15px;
  border-radius: 4px;
  display: none;
}

.form-message.success {
  display: block;
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-message.error {
  display: block;
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* 内联表单消息 */
.inline-error,
.inline-success {
  font-size: 13px;
  margin-top: 6px;
  padding: 6px 10px;
  border-radius: 4px;
  animation: slideDown 0.3s ease;
}

.inline-error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.inline-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-group input.error,
.form-group textarea.error {
  border-color: #dc3545;
  animation: shake 0.3s ease;
}

.form-group input.success,
.form-group textarea.success {
  border-color: #28a745;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@media (max-width: 768px) {
  .about .col-content {
    padding-left: 15px;
    margin-top: 30px;
  }

  .features .col-content {
    padding-left: 0;
    padding-right: 0;
    margin-top: 0;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .form-group {
    margin-bottom: 18px;
  }

  .form-group input,
  .form-group textarea {
    font-size: 16px;
    padding: 14px 16px;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    min-height: 48px;
    -webkit-appearance: none;
    appearance: none;
  }

  .form-group input:focus,
  .form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 196, 81, 0.1);
  }

  .form-group textarea {
    min-height: 140px;
    resize: vertical;
  }

  .contact-form {
    padding: 28px 20px;
  }

  .form-message {
    font-size: 15px;
    padding: 12px 16px;
    margin-bottom: 18px;
    border-radius: 6px;
  }

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

  /* 联系信息优化 */
  .info-item {
    margin-bottom: 28px;
    padding: 18px;
    background: var(--light-gray);
    border-radius: 8px;
  }

  .info-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
  }

  .info-item p {
    font-size: 15px;
    line-height: 1.6;
  }
}