/* style-piano-mobile.css - 移动端响应式覆盖 (精细调校) */
@media screen and (max-width: 768px) {
  body {
    font-size: 14px;
  }
  .container {
    padding: 0 16px;
  }
  .section-title {
    font-size: 1.6rem;
    margin: 40px 0 24px;
  }
  .section-title::after {
    width: 50px;
  }

  /* 头部导航 */
  .header-container {
    flex-direction: column;
    height: auto;
    padding: 12px 0;
	justify-content: flex-start;
  }
  .logo {
    font-size: 1.3rem;
    margin-bottom: 8px;
    text-align: center;
	justify-content: flex-start;
  }
	.logo i {
	  color: #9b8a6b;
	  margin-right: 2px;
	  background:url(../images/logo.png) no-repeat center center; background-size: 28px 28px;
	  width: 40px;
	  height: 40px;
	}
  .logo span {
    font-size: 0.75rem;
  }
  .nav-menu ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
  .nav-menu a {
    font-size: 0.85rem;
  }
  .nav-menu .nav-btn {
    background: #1982d8;
    color: white;
	padding: 6px 14px;
  }

  /* 轮播高度调整 */
  .hero-carousel {
    height: 200px;
  }
  .slide-content h2 {
    font-size: 1.6rem;
	margin-bottom: 8px;
  }
  .slide-content p {
    font-size: 0.9rem;
  }
  .dot {
    width: 8px;
    height: 8px;
  }
  .dot.active {
    width: 20px;
  }

  /* 保养知识 单列 */
  .knowledge-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .card-img {
    height: auto;
  }
  .card-text {
    padding: 16px;
  }
  .card-text h3 {
    font-size: 1.1rem;
  }

  /* 服务案例 2列 */
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .case-img img {
    height: auto;
  }
  .case-info {
    padding: 12px;
  }
  .case-info h3 {
    font-size: 0.95rem;
  }
  .case-meta {
    font-size: 0.7rem;
  }
  .case-info p {
    font-size: 0.8rem;
  }

  /* 客户反馈 2列 */
  .feedback-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .feedback-card {
    padding: 16px;
  }
  .feedback-text {
    font-size: 0.85rem;
  }
  .customer {
    font-size: 0.8rem;
  }

  /* 服务区域 单列 */
  .city-areas {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .city-group {
    padding: 16px 16px 26px 16px;
  }
  .city-group h3 {
    font-size: 1rem;
  }
  .area-tags span {
    font-size: 0.75rem;
    padding: 5px 13px;
  }

  /* 联系表单 堆叠 */
  .contact-wrapper {
    flex-direction: column;
	gap: 30px;
    padding: 60px 10% 40px 10%;
  }
  .contact-text p, .contact-text li {
    font-size: 0.9rem;
  }
  .contact-form input, .contact-form select, .contact-form textarea {
    padding: 13px 14px;
    font-size: 0.9rem;
	width: 100%;
	margin-bottom: 10px;
  }
  .btn-submit {
    padding: 12px;
  }

  /* 页脚 */
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
  .footer-links ul {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }
  .footer-address p {
    font-size: 0.85rem;
  }
}

/* 更小屏优化 */
@media screen and (max-width: 480px) {
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .feedback-grid {
    grid-template-columns: 1fr;
  }
  .slide-content h2 {
    font-size: 1.4rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
}