/**
 * Solutions Page CSS - 解决方案页专属样式
 */

/* ========== Hero 区域 ========== */
.solutions-hero {
  padding: var(--spacing-16) 0;
  background-color: var(--color-gray-100);
}

.solutions-hero-content {
  max-width: 700px;
}

.solutions-hero h1 {
  font-size: var(--text-5xl);
  margin-bottom: var(--spacing-6);
}

.solutions-hero p {
  font-size: var(--text-xl);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-8);
}

/* ========== Tab导航 ========== */
.solutions-tabs {
  padding: var(--spacing-8) 0 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  position: relative;
  top: var(--header-main-height);
  z-index: 10;
}

.solutions-tab-list {
  display: flex;
  gap: var(--spacing-8);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.solutions-tab-list::-webkit-scrollbar {
  display: none;
}

.solutions-tab-item {
  padding: var(--spacing-4) 0;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-gray-500);
  white-space: nowrap;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.solutions-tab-item:hover {
  color: var(--color-black);
}

.solutions-tab-item.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ========== 解决方案内容区 ========== */
.solutions-content {
  padding: var(--spacing-16) 0;
  background-color: var(--color-white);
}

.solution-panel {
  scroll-margin-top: 160px;
}

.solution-panel + .solution-panel {
  margin-top: var(--spacing-20);
}

.solution-title {
  text-align: center;
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-12);
}

/* ========== Exporter 卡片 ========== */
.solution-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.solution-card {
  position: relative;
  overflow: hidden;
  background-color: var(--color-white);
}

.solution-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--color-gray-200);
  overflow: hidden;
}

.solution-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.solution-card:hover .solution-card-image img {
  transform: scale(1.05);
}

/* 标题覆盖在图片上 */
.solution-card-title {
  position: absolute;
  top: var(--spacing-5);
  left: var(--spacing-5);
  right: var(--spacing-5);
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-black);
  z-index: 1;
  line-height: var(--leading-snug);
  margin-bottom: 0;
}

.solution-card-content {
  padding: var(--spacing-5);
  min-height: 150px;
}

.solution-card:nth-child(1) .solution-card-content { background-color: #D79637; }
.solution-card:nth-child(2) .solution-card-content { background-color: #E6B95F; }
.solution-card:nth-child(3) .solution-card-content { background-color: #EBE1CD; }
.solution-card:nth-child(4) .solution-card-content { background-color: #F5F5F5; }

.solution-card:nth-child(1) .solution-card-text,
.solution-card:nth-child(2) .solution-card-text {
  color: var(--color-white);
}

.solution-card-text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

/* ========== 功能列表 (Importer / Logistics / Insurance) ========== */
.solution-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-8);
}

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

.solution-feature-item {
  padding: var(--spacing-4);
}

.solution-feature-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-4);
  overflow: hidden;
}

.solution-feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.solution-feature-title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  margin-bottom: var(--spacing-2);
  color: var(--color-black);
}

.solution-feature-text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

/* 带边框的卡片网格 (Logistics / Insurance) */
.bordered-grid .solution-feature-item {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  padding: 0;
}

.bordered-grid .solution-feature-image {
  border-radius: 0;
  margin-bottom: 0;
}

.bordered-grid .solution-feature-title {
  padding: var(--spacing-5) var(--spacing-5) 0;
}

.bordered-grid .solution-feature-text {
  padding: 0 var(--spacing-5) var(--spacing-5);
}

/* ========== Consulting Firm 布局 ========== */
.consulting-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.consulting-list-item {
  margin-bottom: var(--spacing-5);
}

.consulting-list-item h4 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  margin-bottom: var(--spacing-1);
  color: var(--color-black);
}

.consulting-list-item p {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: 0;
}

.consulting-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.consulting-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== Financial Institutions 网格布局 ========== */
.finance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.finance-item {
  padding: var(--spacing-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  background-color: var(--color-white);
}

.finance-item h4 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  margin-bottom: var(--spacing-2);
  color: var(--color-black);
}

.finance-item p {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin-bottom: 0;
}

.finance-image-item {
  padding: 0;
  overflow: hidden;
}

.finance-image-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ========== 响应式 ========== */
@media (max-width: 1199px) {
  .solutions-hero h1 {
    font-size: var(--text-4xl);
  }
  
  .solution-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .solution-features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .solution-features-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 991px) {
  .solutions-tab-list {
    gap: var(--spacing-4);
  }
  
  .solution-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .solution-features-grid,
  .solution-features-grid.cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .consulting-layout {
    grid-template-columns: 1fr;
  }
  
  .finance-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .solutions-hero h1 {
    font-size: var(--text-3xl);
  }
  
  .solutions-hero p {
    font-size: var(--text-base);
  }
  
  .solutions-tab-item {
    font-size: var(--text-sm);
  }
  
  .solution-cards {
    grid-template-columns: 1fr;
  }
  
  .solution-features-grid,
  .solution-features-grid.cols-3 {
    grid-template-columns: 1fr;
  }
  
  .finance-grid {
    grid-template-columns: 1fr;
  }
}