/**
 * 強み概要页面样式
 * 紙文化国際交流協会
 */

/* 主要变量定义 */
:root {
  --heritage-color: #1a3a7c;
  --heritage-gradient: linear-gradient(135deg, #1a3a7c, #3670d9);
  --digital-color: #0c6e5d;
  --digital-gradient: linear-gradient(135deg, #0c6e5d, #3cb9a2);
  --regional-color: #a0522d;
  --regional-gradient: linear-gradient(135deg, #a0522d, #d9844d);
  --global-color: #5e35b1;
  --global-gradient: linear-gradient(135deg, #5e35b1, #9c64dc);
}

/* 页面通用样式 */
.section-title {
  font-family: 'Noto Serif JP', serif;
  font-weight: 600;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--washi-indigo);
  border-radius: 2px;
}

.section-description {
  color: #555;
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* 强项卡片样式 */
.strength-card {
  background-color: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(0, 0, 0, 0.05);
  padding: 0;
}

.strength-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.strength-card-header {
  padding: 1.5rem;
  text-align: center;
  position: relative;
}

.heritage-card .strength-card-header {
  background: var(--heritage-gradient);
  color: white;
}

.digital-card .strength-card-header {
  background: var(--digital-gradient);
  color: white;
}

.regional-card .strength-card-header {
  background: var(--regional-gradient);
  color: white;
}

.global-card .strength-card-header {
  background: var(--global-gradient);
  color: white;
}

.strength-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: inline-block;
  width: 80px;
  height: 80px;
  line-height: 80px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  text-align: center;
}

.strength-title {
  font-family: 'Noto Serif JP', serif;
  font-weight: 600;
  font-size: 1.3rem;
  margin-bottom: 0;
}

.strength-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.strength-description {
  margin-bottom: 1.5rem;
  color: #555;
  line-height: 1.6;
}

.strength-stats {
  display: flex;
  justify-content: space-around;
  margin-bottom: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  line-height: 1;
}

.heritage-card .stat-value {
  color: var(--heritage-color);
}

.digital-card .stat-value {
  color: var(--digital-color);
}

.regional-card .stat-value {
  color: var(--regional-color);
}

.global-card .stat-value {
  color: var(--global-color);
}

.stat-label {
  font-size: 0.85rem;
  color: #777;
}

.strength-features {
  margin-top: auto;
  padding-top: 1rem;
}

.feature-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
}

.feature-item i {
  margin-right: 0.75rem;
}

.heritage-card .feature-item i {
  color: var(--heritage-color);
}

.digital-card .feature-item i {
  color: var(--digital-color);
}

.regional-card .feature-item i {
  color: var(--regional-color);
}

.global-card .feature-item i {
  color: var(--global-color);
}

.strength-footer {
  padding: 1.25rem;
  text-align: center;
  background-color: rgba(0, 0, 0, 0.02);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* 详细解释部分 */
.strength-detail-block {
  margin-bottom: 4rem;
}

.strength-detail-block:last-child {
  margin-bottom: 0;
}

.strength-detail-image {
  position: relative;
  margin-bottom: 2rem;
  transition: all 0.5s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  border-radius: 8px;
  overflow: hidden;
}

.strength-detail-image:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  text-align: center;
}

.strength-detail-title {
  font-family: 'Noto Serif JP', serif;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #333;
}

.strength-detail-subtitle {
  font-size: 1.1rem;
  color: #555;
  margin-bottom: 1.25rem;
  font-weight: 500;
  border-left: 4px solid;
  padding-left: 1rem;
}

.strength-detail-block:nth-child(1) .strength-detail-subtitle {
  border-color: var(--heritage-color);
}

.strength-detail-block:nth-child(2) .strength-detail-subtitle {
  border-color: var(--digital-color);
}

.strength-detail-block:nth-child(3) .strength-detail-subtitle {
  border-color: var(--regional-color);
}

.strength-detail-block:nth-child(4) .strength-detail-subtitle {
  border-color: var(--global-color);
}

.strength-detail-links {
  margin-top: 1.5rem;
}

/* 服务卡片 */
.service-card {
  background-color: #fff;
  border-radius: 10px;
  padding: 2rem 1.5rem;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.service-icon-container {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  color: white;
  background: var(--washi-indigo-gradient);
}

.service-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #333;
}

.service-description {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* CTA 区域 */
.cta-section {
  background-color: #fff;
}

.cta-card {
  background: linear-gradient(135deg, #f5f9ff, #e5ecf8);
  border-radius: 15px;
  padding: 3rem 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../img/patterns/japanese-wave.png');
  background-size: 200px;
  opacity: 0.04;
  z-index: 0;
}

.cta-title {
  font-family: 'Noto Serif JP', serif;
  font-weight: 600;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

.cta-text {
  margin-bottom: 2rem;
  color: #555;
  position: relative;
  z-index: 1;
}

.cta-buttons {
  position: relative;
  z-index: 1;
}

/* 响应式调整 */
@media (max-width: 991.98px) {
  .strength-detail-image {
    margin-bottom: 2rem;
  }
  
  .strength-detail-content {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
}

@media (max-width: 767.98px) {
  .section-title {
    font-size: 1.8rem;
  }
  
  .strength-detail-block .row {
    flex-direction: column !important;
  }
  
  .strength-detail-block .col-lg-5 {
    order: 1;
  }
  
  .strength-detail-block .col-lg-7 {
    order: 2;
  }
}

@media (max-width: 575.98px) {
  .stat-value {
    font-size: 1.75rem;
  }
  
  .strength-card-header {
    padding: 1.25rem 1rem;
  }
  
  .strength-icon {
    width: 70px;
    height: 70px;
    line-height: 70px;
    font-size: 2rem;
  }
  
  .strength-title {
    font-size: 1.2rem;
  }
  
  .strength-content {
    padding: 1.25rem;
  }
  
  .feature-item {
    font-size: 0.9rem;
  }
}