/* 主視覺與內容排版樣式 */
.hero {
  position: relative;
  background: linear-gradient(rgba(15, 23, 42, 0.75), rgba(27, 67, 50, 0.85)), url('https://images.unsplash.com/photo-1497435334941-8c899ee9e8e9?auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
  color: var(--bg-white);
  text-align: center;
  padding: 140px 24px;
  border-bottom: 4px solid var(--accent-gold);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1.5px;
  color: var(--bg-white);
}

.hero-content p {
  font-size: 1.15rem;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 400;
  text-align: justify;
  text-justify: inter-ideograph;
}

/* 容器通用設定 */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
}

.bg-sand {
  background-color: var(--bg-light-gray);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-size: 2.35rem; /* 字體稍微放大 */
  color: var(--text-dark);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.2rem; /* 字體放大至 20px 左右 */
  margin-bottom: 50px;
}

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


/* 關於我們區塊 */
.about-header {
  max-width: 900px;
  margin: 0 auto 50px auto;
  text-align: center;
}

/* 外層捲動容器 */
.timeline-scroll-container {
  width: 100%;
  overflow-x: auto;
  padding: 30px 0 20px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-green) var(--border-color);
}

.timeline-scroll-container::-webkit-scrollbar {
  height: 6px;
}
.timeline-scroll-container::-webkit-scrollbar-track {
  background: var(--bg-light-gray, #f1f1f1);
  border-radius: 4px;
}
.timeline-scroll-container::-webkit-scrollbar-thumb {
  background: var(--primary-green);
  border-radius: 4px;
}

/* 橫向時間軸主體：桌機版置中、設定適當最大寬度與內距 */
.timeline-horizontal {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  min-width: 800px; /* 避免卡片在平板/小筆電過度擠壓 */
  max-width: 1000px;
  margin: 0 auto; /* 水平置中 */
  padding: 0 10px;
}

/* 貫穿軸線：自動對齊最左至最右的圓點中心 */
.timeline-axis {
  position: absolute;
  top: 24px;
  left: 50px;
  right: 50px;
  height: 3px;
  background: var(--primary-green);
  z-index: 1;
}

/* 單一時間點區塊 */
.timeline-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

/* 圓點定位 */
.timeline-dot {
  width: 16px;
  height: 16px;
  background: var(--primary-green);
  border: 3px solid var(--bg-white, #ffffff);
  border-radius: 50%;
  margin-top: 16px;
  margin-bottom: 24px;
  box-shadow: 0 0 0 2px var(--primary-green);
  flex-shrink: 0;
}

/* 下方說明卡片：寬度改為 100% 確保相對於 item 對齊 */
.timeline-card {
  width: 100%;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px 16px;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
  transition: var(--transition);
  text-align: left;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-sizing: border-box;
}

.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(27, 67, 50, 0.08);
  border-color: var(--primary-green);
}

.timeline-year {
  font-weight: 700;
  color: var(--primary-green);
  font-size: 1.15rem;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.timeline-content h3 {
  font-size: 1.2rem;
  color: var(--text-dark);
  font-weight: 700;
  margin-bottom: 10px;
}

.timeline-content p {
  color: var(--text-body);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
  text-align: justify;
  text-justify: inter-ideograph;
}

/* ================= RWD 響應式微調 ================= */
@media (max-width: 991px) {
  .hero-content h1 {
    font-size: 2.25rem;
  }
  
  .service-rows {
    grid-template-columns: 1fr;
  }

  .service-rows .service-row-item:nth-child(1) {
    grid-row: auto;
    padding: 36px 24px;
  }

  /* 小螢幕捲動安全設定：移除 margin auto 避免捲動起點裁切 */
  .timeline-horizontal {
    margin: 0;
    padding: 0 20px;
  }
}

/* 核心營運項目區塊 */
.service-rows {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.service-rows .service-row-item:nth-child(1) {
  grid-row: span 2; 
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 40px;
  background: var(--bg-white); 
  border-left: 6px solid var(--accent-gold); 
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.service-rows .service-row-item:nth-child(1) .service-num-badge {
  font-size: 3.25rem;
  color: var(--accent-gold);
  margin-bottom: 16px;
  font-family: serif;
  font-weight: 700;
  line-height: 1;
}

.service-rows .service-row-item:nth-child(2),
.service-rows .service-row-item:nth-child(3) {
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 6px solid var(--accent-gold); 
}

.service-row-item {
  background: var(--bg-white);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
  transition: var(--transition);
}

.service-row-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
  border-color: var(--primary-green);
  border-left-color: var(--accent-gold); 
}

.service-num-badge {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--primary-green);
  margin-bottom: 8px;
  font-family: serif;
  line-height: 1;
}

.service-detail h3 {
  font-size: 1.4rem; 
  color: var(--text-dark);
  font-weight: 700;
  margin-bottom: 12px;
}

.service-detail p {
  color: var(--text-body);
  font-size: 1.1rem; 
  margin-bottom: 20px;
  line-height: 1.75;
  text-align: justify;
  text-justify: inter-ideograph;
}

.service-tag {
  display: inline-block;
  background: var(--accent-gold-light);
  color: var(--primary-green);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.9rem; 
  font-weight: 600;
  margin-right: 8px;
  margin-bottom: 8px;
  border: 1px solid rgba(212, 160, 23, 0.2);
}


/* 官方認證專區 */
.credential-box {
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.credential-icon {
    display: none; 
}

.credential-box h2 {
    font-size: 2.35rem;
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: 20px;
}

/* 網格列表排版 */
.credential-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.story-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 36px 28px;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-align: left; /* 讓卡片內部文字靠左對齊 */
}

/* 卡片上方的裝飾邊框線條 */
.story-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-green);
    transition: var(--transition);
}

/* 滑鼠懸停互動效果 */
.story-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(27, 67, 50, 0.08);
    border-color: var(--primary-green);
}

/* 卡片內部的標題（大字） */
.story-content h3 {
    color: var(--text-dark);
    font-size: 1.2rem;
    font-weight: 700;
    display: block;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

/* 卡片內部的內文（左右對齊） */
.story-content p {
    color: var(--text-body);
    font-size: 1.05rem; 
    line-height: 1.75;
    margin: 0;
    text-align: justify;
    text-justify: inter-ideograph;
}

/* RWD 響應式佈局調整 */
@media (max-width: 991px) {
  .hero-content h1 {
    font-size: 2.25rem;
  }
  
  .story-timeline {
    grid-template-columns: 1fr;
  }

  .service-rows {
    grid-template-columns: 1fr;
  }

  .service-rows .service-row-item:nth-child(1) {
    grid-row: auto;
    padding: 36px 24px;
  }
}