/* style-guangzhou-desktop.css - 电脑端样式 (广州钢琴调音) */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: #f5f7fa;
  color: #1f2f3a;
  line-height: 1.5;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 页眉导航 */
.site-header {
  background: #ffffff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}
.logo {
  display: flex;
  font-size: 1.6rem;
  font-weight: bold;
  color: #1f2f3a;
  line-height: 40px;
}
.logo i {
  color: #9b8a6b;
  margin-right: 3px;
  background:url(../images/logo.png) no-repeat center center; background-size: 33px 33px;
  width: 40px;
  height: 40px;
}
.logo span {
  font-weight: 400;
  font-size: 0.85rem;
  color: #6f8d9e;
  margin-left: 6px;
}
.nav-menu ul {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}
.nav-menu a {
  text-decoration: none;
  color: #2c4f62;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav-menu a:hover {
  color: #1982d8;
}
.nav-menu .nav-btn {
  background: #1982d8;
  color: white;
  padding: 8px 20px;
  border-radius: 40px;
}
.nav-menu .nav-btn:hover {
  background: #0f66b0;
  color: white;
}


section.service-areas {
  padding-top: 30px;
}
section.knowledge, section.contact, section.cases, section.service-areas, section.feedback, section.pricing-section {
  padding-top: 30px;
}

.section-title {
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
  margin: 60px 0 40px;
  letter-spacing: -0.3px;
  color: #1f2f3a;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: #1982d8;
  margin: 12px auto 0;
  border-radius: 2px;
}

/* 全屏轮播 */
.hero-carousel {
  width: 100%;
  height: 500px;
  overflow: hidden;
  position: relative;
  background: #1a2f3c;
}
.carousel-container {
  width: 100%;
  height: 100%;
  position: relative;
}
.carousel-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.5s ease;
}
.carousel-slide {
  flex: 0 0 100%;
  height: 100%;
  position: relative;
}
.slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: brightness(0.7);
}
.carousel-slide:nth-child(1) .slide-bg { background-image: linear-gradient(145deg, #1f4e64, #123745); }
.carousel-slide:nth-child(2) .slide-bg { background-image: linear-gradient(145deg, #2a5f78, #154254); }
.carousel-slide:nth-child(3) .slide-bg { background-image: linear-gradient(145deg, #376f8a, #1a4d62); }
.carousel-slide:nth-child(4) .slide-bg { background-image: linear-gradient(145deg, #46829e, #21566e); }
.slide-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  text-align: center;
  color: white;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.slide-content h2 {
  font-size: 3rem;
  font-weight: 500;
  margin-bottom: 16px;
}
.slide-content p {
  font-size: 1.2rem;
  opacity: 0.9;
}
.carousel-dots {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 12px;
  z-index: 10;
}
.dot {
  width: 10px;
  height: 10px;
  background: rgba(255,255,255,0.5);
  border-radius: 10px;
  cursor: pointer;
  transition: 0.3s;
}
.dot.active {
  width: 28px;
  background: white;
}

/* 保养知识网格 */
.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.knowledge-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
  transition: 0.2s;
}
.knowledge-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.1);
}
.card-img {
  height: 140px;
  background: #dce5ec;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5f7a8c;
  font-size: 0.9rem;
}
.card-img i {
  font-size: 2rem;
  opacity: 0.6;
}
.card-img img {
  width: 100%;
  height: auto;
}
.card-text {
  padding: 20px;
}
.card-text i {
  font-size: 2rem;
  color: #1982d8;
  margin-bottom: 12px;
  display: inline-block;
}
.card-text h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #1f2f3a;
}
.card-text p {
  font-size: 0.9rem;
  color: #4f6b78;
}

/* 服务案例 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.case-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: 0.2s;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.1);
}
.case-img img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.case-info {
  padding: 16px;
}
.case-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: #1f2f3a;
}
.case-meta {
  font-size: 0.8rem;
  color: #7e9aab;
  margin-bottom: 8px;
}
.case-meta i {
  margin-right: 4px;
  color: #1982d8;
}
.case-info p {
  font-size: 0.85rem;
  color: #4f6b78;
  margin-bottom: 12px;
}
.case-tag {
  display: inline-block;
  background: #e8eef3;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 500;
  color: #1982d8;
}

/* 客户反馈 */
.feedback-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.feedback-card {
  background: white;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: 0.2s;
}
.feedback-card:hover {
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.stars {
  color: #f5b042;
  font-size: 1rem;
  margin-bottom: 12px;
}
.feedback-text {
  font-style: italic;
  color: #2d4b5e;
  margin-bottom: 16px;
  line-height: 1.5;
}
.customer {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #5f7a8c;
}
.customer i {
  font-size: 1.4rem;
  color: #1982d8;
}

/* 服务区域 */
.city-areas {
  background: white;
  border-radius: 28px;
  padding: 30px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  margin: 30px 0 20px;
}
.city-group h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #1f2f3a;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.city-group h3 i {
  color: #1982d8;
}
.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.area-tags span {
  background: #eef3f8;
  padding: 6px 16px;
  border-radius: 40px;
  font-size: 0.85rem;
  color: #2c5f74;
}
.areas-note {
  text-align: center;
  font-size: 0.9rem;
  color: #6d8d9e;
  margin: 20px 0 40px;
}
.areas-note i {
  color: #1982d8;
  margin-right: 6px;
}

/* 联系表单 */
.contact-wrapper {
  display: flex;
  gap: 50px;
  background: white;
  border-radius: 28px;
  padding: 50px 25% 50px 25%;
  box-shadow: 0 12px 30px rgba(0,0,0,0.05);
  margin-bottom: 60px;
}
.contact-text {
  flex: 1;
}
.contact-text p {
  margin-bottom: 24px;
  font-size: 1rem;
}
.contact-text ul {
  list-style: none;
  margin-bottom: 24px;
}
.contact-text li {
  margin-bottom: 12px;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.contact-text i {
  color: #1982d8;
  width: 24px;
}
.wechat {
  background: #f0f5f9;
  display: inline-block;
  padding: 8px 24px;
  border-radius: 40px;
  font-size: 0.9rem;
  color: #1f2f3a;
}
.contact-form {
  flex: 1;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 16px;
  border: 1px solid #cbdbe2;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fefefe;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #1982d8;
}
.btn-submit {
  width: 100%;
  background: #1982d8;
  color: white;
  border: none;
  padding: 14px;
  border-radius: 40px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}
.btn-submit:hover {
  background: #0f66b0;
  transform: translateY(-2px);
}


/*********提交**********/
        .card {
            max-width: 700px;
            width: 100%;
            background: rgba(255,255,255,0.9);
            backdrop-filter: blur(8px);
            border-radius: 32px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12), 0 6px 12px rgba(0, 0, 0, 0.05);
            padding: 36px 32px;
            border: 1px solid rgba(255,255,255,0.6);
            transition: all 0.2s ease;
        }
        .card h1 {
            font-size: 2.1rem;
            font-weight: 500;
            letter-spacing: 2px;
            color: #2e241f;
            border-left: 6px solid #b78c5a;
            padding-left: 22px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .card h1 small {
            font-size: 1rem;
            font-weight: 300;
            color: #6b4f3a;
            margin-left: auto;
            opacity: 0.8;
        }
        .sub {
            color: #5f4e3e;
            margin-bottom: 30px;
            padding-left: 28px;
            font-style: italic;
            border-bottom: 1px dashed #c9b6a4;
            padding-bottom: 15px;
        }
        .form-group {
            margin-bottom: 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
        }
        .form-group label {
            width: 120px;
            font-weight: 600;
            color: #3b2e24;
            padding-top: 15px;
            font-size: 1rem;
        }
        .form-group .field {
            flex: 1;
            min-width: 240px;
        }
        .required::after {
            content: " *";
            color: #c06b4a;
            font-weight: bold;
            margin-left: 3px;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 16px;
            font-size: 1rem;
            border: 1.5px solid #ddd2c8;
            border-radius: 20px;
            background: #fefcf9;
            transition: all 0.2s;
            font-family: inherit;
            outline: none;
            box-shadow: inset 2px 2px 5px rgba(0,0,0,0.02);
        }
        input:focus, textarea:focus, select:focus {
            border-color: #b78c5a;
            box-shadow: 0 0 0 4px rgba(183, 140, 90, 0.15), inset 0 1px 4px #fff;
            background: #ffffff;
        }
		::-webkit-input-placeholder { color: #cccccc; } /* Chrome/Safari */
        :-ms-input-placeholder { color: #cccccc; } /* IE/Edge 旧版 */
        ::placeholder { color: #cccccc; } /* 标准写法 */
        textarea {
            min-height: 110px;
            resize: vertical;
        }
        .hint {
            font-size: 0.85rem;
            color: #999999;
            margin-top: 6px;
            padding-left: 8px;
        }
        .btn-submit {
            background: #192837;
            color: #ffffff;
            border: none;
            padding: 16px 28px;
            font-size: 1.2rem;
            font-weight: 600;
            border-radius: 48px;
            width: 100%;
            cursor: pointer;
            transition: 0.2s;
            letter-spacing: 2px;
            margin-top: 15px;
            box-shadow: 0 8px 16px rgba(46, 36, 31, 0.15);
            border: 1px solid #192837;
        }
        .btn-submit:hover {
            background: #1a82d8;
			border: 1px solid #1a82d8;
            transform: translateY(-2px);
            box-shadow: 0 12px 20px rgba(46, 36, 31, 0.25);
        }
        .btn-submit:active {
            transform: translateY(1px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .footer-note {
            margin-top: 20px;
            text-align: center;
            color: #999999;
            font-size: 0.9rem;
        }
        .brand-piano {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .brand-piano input:first-child {
            flex: 3;
        }
        .brand-piano input:last-child {
            flex: 2;
        }


/* ========== 价格展示板块 ========== */
.pricing-section {
  margin: 60px 0 40px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 20px;
}

.pricing-card {
  background: white;
  border-radius: 20px;
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
  transition: 0.2s;
  border: 1px solid #e0e8ef;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.1);
}

.pricing-card.featured {
  border-top: 4px solid #1982d8;
  background: #f8fcff;
}

.pricing-header i {
  font-size: 2rem;
  color: #1982d8;
  margin-bottom: 12px;
}

.pricing-header h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: #1f2f3a;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 2rem;
  font-weight: 700;
  color: #1982d8;
  margin: 16px 0;
}

.pricing-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: #6f8d9e;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin: 20px 0;
  padding: 0;
}

.pricing-features li {
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: #2c4f62;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-features li i {
  color: #1982d8;
  width: 18px;
  font-size: 0.9rem;
}

.btn-submit-small {
  display: inline-block;
  background: #1982d8;
  color: white;
  padding: 10px 24px;
  border-radius: 40px;
  font-weight: 500;
  text-decoration: none;
  transition: 0.2s;
  margin-top: 8px;
}

.btn-submit-small:hover {
  background: #0f66b0;
  transform: translateY(-2px);
}

.pricing-note {
  text-align: center;
  font-size: 0.85rem;
  color: #6f8d9e;
  margin-top: 20px;
}

.pricing-note i {
  color: #1982d8;
  margin-right: 6px;
}


/* 页脚 */
.footer {
  background: #1f2f3a;
  color: #cbdbe2;
  padding: 50px 0 20px;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 30px;
}
.footer-about h3 {
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 10px;
}
.footer-about i {
  color: #1982d8;
}
.footer-links ul {
  list-style: none;
}
.footer-links li {
  margin-bottom: 8px;
}
.footer-links a {
  color: #cbdbe2;
  text-decoration: none;
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: white;
}
.footer-bottom {
  text-align: center;
  border-top: 1px solid #2f5f72;
  padding-top: 20px;
  font-size: 0.8rem;
}