/* Footer移动端优化CSS */

/* Footer整体布局优化 */
.footer {
  background: #f8f9fa;
  padding: 40px 0 20px;
}

.footer .ft_widget {
  margin-bottom: 30px;
}

.footer .ft_title {
  font-size: 18px;
  font-weight: 700;
  color: #333;
  margin-bottom: 20px;
  position: relative;
}

.footer .ft_title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
  border-radius: 2px;
}

/* Newsletter表单移动端优化 */
.footer .newsletter-form {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  border: 1px solid #e9ecef;
  margin-top: 15px;
}

.footer .newsletter-form .input-group {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.footer .newsletter-form .form-control {
  flex: 1;
  padding: 12px 16px;
  font-size: 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fff;
  transition: all 0.3s ease;
  min-width: 0;
}

.footer .newsletter-form .form-control:focus {
  outline: none;
  border-color: #1890ff;
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

.footer .newsletter-form .btn-subscribe {
  flex-shrink: 0;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  min-width: 100px;
}

.footer .newsletter-form .btn-subscribe:hover {
  background: linear-gradient(135deg, #096dd9 0%, #0050b3 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3);
}

.footer .newsletter-form .btn-subscribe:active {
  transform: translateY(0);
}

/* 移动端优化 */
@media (max-width: 768px) {
  .footer {
    padding: 30px 0 15px;
  }

  .footer .ft_widget {
    margin-bottom: 25px;
    text-align: center;
    padding-left: 10px;
  }

  .footer .ft_title {
    font-size: 16px;
    margin-bottom: 15px;
  }

  .footer .ft_title::after {
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
  }

  .footer .newsletter-form {
    padding: 15px;
    margin: 15px 0 0 0;
  }

  .footer .newsletter-form .input-group {
    flex-direction: row;
    /* 保持一行显示 */
    gap: 6px;
  }

  .footer .newsletter-form .form-control {
    padding: 10px 12px;
    font-size: 14px;
    border-radius: 6px;
  }

  .footer .newsletter-form .btn-subscribe {
    padding: 10px 16px;
    font-size: 13px;
    border-radius: 6px;
    min-width: 80px;
  }

  /* 优化描述文字 */
  .footer .ft_widget p {
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 15px;
  }
}

/* 小屏幕优化 */
@media (max-width: 576px) {
  .footer .newsletter-form {
    padding: 12px;
  }

  .footer .newsletter-form .input-group {
    gap: 5px;
  }

  .footer .newsletter-form .form-control {
    padding: 8px 10px;
    font-size: 13px;
  }

  .footer .newsletter-form .btn-subscribe {
    padding: 8px 12px;
    font-size: 12px;
    min-width: 70px;
  }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
  .footer .newsletter-form .input-group {
    flex-direction: column;
    /* 超小屏幕改为垂直排列 */
    gap: 8px;
  }

  .footer .newsletter-form .form-control {
    width: 100%;
    flex: none;
  }

  .footer .newsletter-form .btn-subscribe {
    width: 100%;
    flex: none;
    padding: 10px 16px;
    font-size: 13px;
  }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
  .footer .newsletter-form .btn-subscribe:hover {
    transform: none;
  }

  .footer .newsletter-form .btn-subscribe:active {
    transform: scale(0.98);
  }
}

/* Footer链接优化 */
.footer .ft_menu li {
  margin-bottom: 8px;
}

.footer .ft_menu a {
  color: #666;
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 14px;
}

.footer .ft_menu a:hover {
  color: #1890ff;
}

/* Footer联系信息优化 */
.footer .ft_contact li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer .ft_contact a {
  color: #666;
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer .ft_contact a:hover {
  color: #1890ff;
}

.footer .ft_contact i {
  color: #1890ff;
  width: 16px;
  text-align: center;
}

/* Copyright区域优化 */
.copyright {
  background: #e9ecef;
  padding: 15px 0;
  border-top: 1px solid #dee2e6;
}

.copyright p {
  margin: 0;
  color: #666;
  font-size: 14px;
}

@media (max-width: 768px) {
  .copyright {
    padding: 12px 0;
  }

  .copyright p {
    font-size: 13px;
  }
}