* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Noto Sans SC", sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
  background-color: #f8fafc;
}

/* 英雄区域样式 */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 160px 8% 100px;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-content h2 {
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.2;
  color: #0f172a;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 1.2rem;
  color: #475569;
  margin-bottom: 30px;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-phone {
  width: 540px;
  border-radius: 15px;
  box-shadow: 10px 10px 5px rgba(0, 0, 0, 0.28);
  z-index: 10;
  margin-left: 240px;
}

.shape {
  position: absolute;
  z-index: 1;
}

.shape-1 {
  top: -30px;
  left: 0;
  width: 150px;
  opacity: 0.6;
}

.shape-2 {
  bottom: -30px;
  right: 0;
  width: 200px;
  opacity: 0.4;
}

/* 核心功能区域样式 - 优化版本标签位置 */
.core-features {
  padding: 100px 8%;
  background-color: white;
}

.section-title {
  text-align: center;
  margin-bottom: 70px;
  position: relative;
}

.section-title-header {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 25px;
  margin-bottom: 15px;
}

.section-title h2 {
  font-size: 2.5rem;
  color: #0f172a;
  margin: 0;
}

.section-title p {
  font-size: 1.1rem;
  color: #64748b;
  max-width: 700px;
  margin: 0 auto;
}

/* 版本标签样式 - 优化位置 */
.version-tabs {
  display: flex;
  justify-content: center;
  margin-top: 20px;
  gap: 15px;
}

.version-tab {
  background: #e2e8f0;
  color: #64748b;
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.version-tab.active {
  background: #2563eb;
  color: white;
}

.version-tab:hover:not(.active) {
  background: #cbd5e1;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.feature-category {
  background: white;
  border-radius: 12px;
  padding: 35px 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

.feature-category:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(37, 99, 235, 0.1);
  border-color: #dbeafe;
}

.feature-header {
  display: flex;
  align-items: center;
  margin-bottom: 25px;
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: #dbeafe;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20px;
}

.feature-icon i {
  font-size: 30px;
  color: #2563eb;
}

.feature-title h3 {
  font-size: 1.4rem;
  color: #1e293b;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid #f1f5f9;
}

.feature-list li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.feature-list i {
  color: #2563eb;
  margin-right: 12px;
  margin-top: 5px;
  font-size: 18px;
}

.feature-text h4 {
  font-size: 1.1rem;
  margin-bottom: 5px;
  color: #1e293b;
}

.feature-text p {
  color: #64748b;
  font-size: 0.95rem;
}

/* 解决方案区域 */
.solutions {
  padding: 100px 8%;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  text-align: center;
}

.solution-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.solution-card {
  background: white;
  border-radius: 12px;
  padding: 35px 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(37, 99, 235, 0.1);
  border-color: #dbeafe;
}

.solution-icon {
  width: 80px;
  height: 80px;
  background: #dbeafe;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
}

.solution-icon i {
  font-size: 36px;
  color: #2563eb;
}

.solution-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: #1e293b;
}

.solution-card p {
  color: #64748b;
  margin-bottom: 20px;
}

/* 城市合伙人区域 */
.partners {
  padding: 100px 8%;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  color: white;
}

.partners-content {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}

.partners-text {
  flex: 1;
  min-width: 300px;
}

.partners-text h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  line-height: 1.3;
}

.partners-text p {
  font-size: 1.1rem;
  margin-bottom: 25px;
  opacity: 0.9;
}

.detail-btn {
  background: #fcd34d;
  color: #1e293b;
  border: none;
  padding: 12px 30px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-block;
  margin-top: 15px;
}

.detail-btn:hover {
  background: #fbbf24;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.benefits-list {
  list-style: none;
  margin: 30px 0;
}

.benefits-list li {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.benefits-list i {
  color: #fcd34d;
  margin-right: 15px;
  font-size: 24px;
}

.partners-image {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
}

.partners-map {
  max-width: 100%;
  border-radius: 15px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
}

.partners-form {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 30px;
  margin-top: 40px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-title {
  font-size: 1.6rem;
  margin-bottom: 25px;
  text-align: center;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 16px;
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

.partners-btn {
  background: #fcd34d;
  color: #1e293b;
  border: none;
  padding: 15px 30px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: block;
  width: 100%;
  max-width: 300px;
  margin: 30px auto 0;
  text-align: center;
}

.partners-btn:hover {
  background: #fbbf24;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 微信小程序体验区域 */
.wx-app {
  padding: 100px 8%;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  color: #0f172a;
  text-align: center;
}

.wx-app-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.wx-app-text {
  flex: 1;
  text-align: left;
  padding-right: 50px;
}

.wx-app-text h2 {
  font-size: 2.8rem;
  margin-bottom: 20px;
}

.wx-app-text p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 30px;
  line-height: 1.8;
}

.wx-app-image {
  flex: 0 0 auto;
  background: white;
  padding: 25px;
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.qrcode {
  width: 220px;
  height: 220px;
  background: #f1f5f9;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  border: 1px dashed #cbd5e1;
}

.qrcode i {
  font-size: 60px;
  color: #2563eb;
}

.wx-app-image p {
  margin-top: 20px;
  font-weight: 500;
  color: #475569;
}

/* 用户评价样式 */
.testimonials {
  padding: 100px 8%;
  background-color: #f8fafc;
}

.testimonial-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.testimonial-card {
  background: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
}

.testimonial-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #64748b;
  margin-right: 15px;
}

.testimonial-info h4 {
  font-size: 18px;
  color: #1e293b;
}

.testimonial-info p {
  color: #64748b;
  font-size: 14px;
}

.testimonial-content p {
  color: #475569;
  font-style: italic;
  line-height: 1.8;
}

.rating {
  color: #f59e0b;
  margin: 15px 0;
}

/* 底部样式 */
.footer {
  background: #0f172a;
  color: white;
  padding: 70px 8% 40px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 50px;
}

.footer-column h3 {
  font-size: 18px;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: #2563eb;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  text-decoration: none;
  color: #cbd5e1;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: #60a5fa;
  padding-left: 5px;
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #1e293b;
  color: #94a3b8;
  font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    padding-top: 140px;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
    margin-bottom: 60px;
  }

  .nav-links {
    display: none;
  }

  .wx-app-content {
    flex-direction: column;
    text-align: center;
  }

  .wx-app-text {
    padding-right: 0;
    margin-bottom: 40px;
    text-align: center;
  }

  .feature-header {
    flex-direction: column;
    text-align: center;
  }

  .feature-icon {
    margin-right: 0;
    margin-bottom: 20px;
  }

  .partners-content {
    flex-direction: column;
    text-align: center;
  }

  .benefits-list {
    text-align: left;
  }

  .benefits-list li {
    justify-content: center;
  }

  /* 响应式调整：标题和标签垂直堆叠 */
  .section-title-header {
    flex-direction: column;
    gap: 15px;
  }
}

@media (max-width: 600px) {
  .hero-content h2 {
    font-size: 2.5rem;
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .wx-app-text h2 {
    font-size: 2.2rem;
  }

  .feature-list li {
    flex-direction: column;
  }

  .feature-list i {
    margin-bottom: 10px;
  }

  .partners-text h2 {
    font-size: 2rem;
  }

  /* 响应式调整：标签垂直排列 */
  .version-tabs {
    flex-direction: column;
    align-items: center;
  }
}