/* ==================== 传统景区问题 ==================== */
.problems {
  background: #FFFFFF;
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.problem-item {
  background: var(--bg-card, #FFFFFF);
  padding: 30px 20px;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid var(--border-color, #E5E6EB);
}

.problem-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 82, 217, 0.15);
}

.problem-icon {
  width: 90px;
  height: 90px;
  margin: 0 auto 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.problem-icon img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.problem-title {
  font-size: 17px;
  font-weight: 600;
  color: #222;
}

/* ==================== 智慧文旅解决方案 ==================== */
.solution {
  background: var(--bg-card, #FFFFFF);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.solution-item {
  background: #FFFFFF;
  border-radius: 12px;
  padding: 25px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.solution-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.solution-num {
  width: 60px;
  height: 60px;
  background: var(--gold, #0052D9);
  color: #fff;
  font-size: 24px;
  font-weight: 600;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution-content {
  flex: 1;
}

.solution-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--gold, #0052D9);
  margin-bottom: 8px;
}

.solution-desc {
  font-size: 14px;
  color: #4E5969;
  line-height: 1.6;
}

.solution-image {
  width: 200px;
  flex-shrink: 0;
}

.solution-image img {
  max-width: 100%;
  max-height: 150px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
}

/* ==================== 多业务管理 ==================== */
.business {
  background: #FFFFFF;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.business-item {
  text-align: center;
  transition: transform 0.3s;
}

.business-item:hover {
  transform: translateY(-5px);
}

.business-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card, #FFFFFF);
  border-radius: 50%;
  padding: 15px;
  border: 2px solid var(--border-color, #E5E6EB);
}

.business-icon img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.business-name {
  font-size: 16px;
  font-weight: 600;
  color: #1D2129;
}

/* 平台端 */
.platform-section {
  margin-bottom: 30px;
}

.platform-header {
  background: var(--gold, #0052D9);
  color: #fff;
  padding: 15px;
  font-size: 20px;
  text-align: center;
  border-radius: 12px 12px 0 0;
}

.platform-content {
  background: #FFFFFF;
  padding: 25px;
  border-radius: 0 0 12px 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
  align-items: center;
}

.platform-image {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.platform-image img {
  max-width: 100%;
  max-height: 280px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
}

.platform-desc {
  padding: 20px;
  background: var(--bg-card, #FFFFFF);
  border-radius: 10px;
  border-left: 4px solid var(--gold, #0052D9);
}

.platform-desc p {
  font-size: 14px;
  color: #4E5969;
  line-height: 1.8;
  margin-bottom: 10px;
}

.platform-desc p:last-child {
  margin-bottom: 0;
}

/* 商家端 */
.merchant-section {
  margin-bottom: 30px;
}

.merchant-header {
  background: var(--gold, #0052D9);
  color: #fff;
  padding: 15px;
  font-size: 20px;
  text-align: center;
  border-radius: 12px 12px 0 0;
}

.merchant-content {
  background: #FFFFFF;
  padding: 25px;
  border-radius: 0 0 12px 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.merchant-menu {
  padding: 20px;
  background: var(--bg-card, #FFFFFF);
  border-radius: 10px;
}

.menu-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--gold, #0052D9);
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gold, #0052D9);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.menu-item {
  background: #FFFFFF;
  padding: 10px;
  border-radius: 6px;
  text-align: center;
  font-size: 14px;
  color: #4E5969;
  border: 1px solid var(--border-color, #E5E6EB);
}

.merchant-images {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.merchant-images img {
  max-height: 300px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 游客端 */
.visitor-section {
  margin-bottom: 30px;
}

.visitor-header {
  background: var(--gold, #0052D9);
  color: #fff;
  padding: 15px;
  font-size: 20px;
  text-align: center;
  border-radius: 12px 12px 0 0;
}

.visitor-carousel {
  background: #FFFFFF;
  padding: 30px;
  border-radius: 0 0 12px 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.carousel-wrapper {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.carousel-images {
  display: flex;
  justify-content: center;
  gap: 15px;
}

.carousel-images img {
  max-height: 280px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
  opacity: 0.5;
  transition: opacity 0.3s, transform 0.3s;
}

.carousel-images img.active {
  opacity: 1;
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: var(--gold, #0052D9);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-arrow::before {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
}

.arrow-left {
  left: -20px;
}

.arrow-left::before {
  border-width: 8px 10px 8px 0;
  border-color: transparent #fff transparent transparent;
}

.arrow-right {
  right: -20px;
}

.arrow-right::before {
  border-width: 8px 0 8px 10px;
  border-color: transparent transparent transparent #fff;
}

.visitor-desc {
  text-align: center;
  padding: 20px;
  font-size: 14px;
  color: #4E5969;
  line-height: 1.8;
  margin-top: 15px;
}

/* ==================== 经典案例 ==================== */
.case-section {
  background: var(--bg-card, #FFFFFF);
}

.case-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 25px;
  margin-bottom: 30px;
}

.case-platform {
  background: #FFFFFF;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.platform-label {
  background: var(--gold, #0052D9);
  color: #fff;
  padding: 12px 20px;
  font-size: 16px;
  font-weight: 500;
}

.platform-image {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  background: #FFFFFF;
}

.platform-image img {
  max-width: 100%;
  max-height: 250px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
}

.case-desc {
  background: #FFFFFF;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border: 2px solid var(--gold, #0052D9);
}

.case-desc p {
  color: #4E5969;
  line-height: 1.8;
  font-size: 14px;
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .problems-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .solution-item {
    grid-template-columns: auto 1fr;
  }

  .solution-image {
    display: none;
  }

  .business-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .platform-content,
  .merchant-content {
    grid-template-columns: 1fr;
  }

  .merchant-images {
    flex-direction: column;
    align-items: center;
  }

  .case-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {

  .section-header h2 {
    font-size: 22px;
  }

  .problems-grid,
  .business-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .problem-icon,
  .business-icon {
    width: 70px;
    height: 70px;
  }

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

  .carousel-images {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .banner {
    height: auto;
    min-height: 40vh;
    padding: 60px 15px 40px;
  }

  .problems-grid,
  .business-grid {
    grid-template-columns: 1fr;
  }

  .solution-item {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .solution-num {
    margin: 0 auto;
  }
}