/* 主要的 CSS 樣式 */
body {
  font-family: var(--font-sans);
  color: var(--color-dark);
  background-color: var(--color-white);
  padding-top: 80px; /* 預留空間給固定在頂部的 Navbar */
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
}

/* =========================================
   全域 RWD 基礎設定：圖片與觸控高度
   ========================================= */
img {
  max-width: 100%;
  height: auto;
}

@media (max-width: 767px) {
  button, 
  .btn-primary, 
  .btn-register, 
  .btn-cta, 
  .btn-details, 
  .accordion-header, 
  .schedule-select {
    min-height: 44px;
  }
}

/* =========================================
   Navbar 導覽列
   ========================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
  background-color: transparent;
  padding: 24px 0;
}

.navbar.sticky {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  padding: 16px 0;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo */
.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-dark);
  transition: color 0.3s ease;
}

/* Hamburger 按鈕 */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  position: relative; /* z-index 必須搭配 position 才生效 */
  z-index: 1001; /* 確保在全螢幕選單之上 */
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-dark); /* 改回深色，確保在頂端淺色背景可見 */
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* 選單固定後保持深色 */
.navbar.sticky .hamburger span {
  background-color: var(--color-dark);
}

/* 選單與列表 */
.nav-menu {
  display: flex;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item {
  position: relative;
}

/* 選單連結與 Hover 底線效果 */
.nav-link {
  font-weight: 500;
  font-size: 16px;
  color: var(--color-dark);
  position: relative;
  padding-bottom: 4px;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-orange);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-item:hover > .nav-link::after {
  width: 100%;
}

/* 下拉子選單 */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 15px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  border-radius: var(--card-radius);
  padding: 12px 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
}

/* 為了不要讓滑鼠在下拉途中失去 hover 狀態，可以加一個隱形的橋樑 */
.has-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 20px;
}

.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.dropdown-link {
  display: block;
  padding: 10px 24px;
  color: var(--color-dark) !important;
  font-size: 15px;
  font-weight: 500;
  transition: background-color 0.2s, color 0.2s;
  white-space: nowrap;
  text-align: center;
}

.dropdown-link:hover {
  background-color: var(--color-gray-bg);
  color: var(--color-orange) !important;
}

/* 立即報名按鈕 */
.btn-register {
  display: inline-block;
  background-color: var(--color-orange);
  color: var(--color-white);
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 700;
  text-align: center;
  transition: all 0.3s ease;
}

.btn-register.nav-btn {
  margin-left: 10px;
}

/* 按下/Hover 時加深 10%  */
.btn-register:hover {
  filter: brightness(0.9);
  color: var(--color-white);
}

/* =========================================
   手機版 RWD (≤ 767px)
   ========================================= */
@media (max-width: 767px) {
  .hamburger {
    display: block;
  }
  
  .hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(100%);
    transition: transform 0.4s ease;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .nav-link {
    font-size: 20px;
  }
  
  .nav-link::after {
    display: none; /* 手機版不一定需要底線動態 */
  }

  /* 手機版下拉選單：預設隱藏，點擊文字後展開 */
  .has-dropdown:hover .dropdown-menu {
    /* 關閉 hover 觸發，改由 JS 控制 active 狀態 */
    opacity: 0;
    visibility: hidden;
    transform: none;
    pointer-events: none;
  }
  
  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    background-color: transparent;
    padding: 10px 0 0 0;
    display: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .has-dropdown.active .dropdown-menu {
    display: block;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }
  
  .btn-register.nav-btn {
    margin-left: 0;
    margin-top: 10px;
    font-size: 18px;
    padding: 14px 36px;
  }
}

/* =========================================
   首頁 - Hero 區塊
   ========================================= */
.hero {
  width: 100%;
  min-height: 100vh;
  background-color: var(--color-dark);
  color: var(--color-white);
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--section-padding);
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
}

.hero-content {
  flex: 0.9;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 2;
}

.hero-visual {
  flex: 1.1;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

.visual-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, rgba(232, 93, 36, 0.2) 0%, rgba(127, 119, 221, 0.2) 100%);
  border: 2px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--card-radius);
  position: relative;
}

.visual-placeholder::after {
  content: '圖片視覺佔位';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: rgba(255, 255, 255, 0.5);
  font-size: 20px;
}

.hero-badge {
  position: relative;
  color: var(--color-white);
  font-weight: 700;
  padding: 8px 20px;
  font-size: 16px;
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  z-index: 1;
}

.hero-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-orange);
  transform: skewX(-12deg);
  z-index: -1;
}

.hero-title {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--color-white);
}

.hero-subtitle {
  font-size: 20px;
  line-height: 1.6;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.9);
}

.nowrap {
  white-space: nowrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-orange);
  color: var(--color-white);
  padding: 16px 40px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 20px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary .arrow {
  margin-left: 8px;
  transition: transform 0.3s ease;
}

.btn-primary:hover {
  filter: brightness(0.9);
  color: var(--color-white);
}

.btn-primary:hover .arrow {
  transform: translateX(4px);
}

/* =========================================
   動畫特效 (fade-in + slide-up)
   ========================================= */
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.anim-delay-1 { animation-delay: 0.1s; }
.anim-delay-2 { animation-delay: 0.2s; }
.anim-delay-3 { animation-delay: 0.3s; }
.anim-delay-4 { animation-delay: 0.4s; }
.anim-delay-5 { animation-delay: 0.5s; }

/* 滾動觸發動畫框架 */
.animate-on-scroll {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.slide-up { transform: translateY(30px); }
.animate-on-scroll.slide-left { transform: translateX(-30px); }
.animate-on-scroll.fade-in { transform: translate(0); }

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translate(0);
}

/* 尊重使用者設定：減少動畫 */
@media (prefers-reduced-motion: reduce) {
  .animate-fade-up {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .animate-on-scroll {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* =========================================
   手機版 RWD (≤ 767px) - Hero 專用
   ========================================= */
@media (max-width: 767px) {
  .hero {
    min-height: 80vh;
    padding-top: 80px; /* 為了避開 Navbar */
  }

  .hero-container {
    flex-direction: column;
    padding: 60px 24px;
    gap: 32px;
  }

  .hero-title {
    font-size: 36px; /* 手機版標語字級縮小 */
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-actions {
    width: 100%;
  }

  .btn-primary {
    width: 100%;
    padding: 16px 20px;
  }
}

/* =========================================
   首頁 - 活動亮點數字
   ========================================= */
.highlights-section {
  background-color: var(--color-white);
  padding: 60px 0;
  border-bottom: 1px solid var(--color-border);
}

.highlights-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.highlight-card {
  padding: 32px 24px;
  border-radius: var(--card-radius);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.highlight-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

/* 四種顏色變數交替使用 (teal, purple, coral, blue) */
.highlight-card.color-0 {
  background-color: var(--color-teal-bg);
  color: var(--color-teal-text);
}
.highlight-card.color-1 {
  background-color: var(--color-purple-bg);
  color: var(--color-purple-text);
}
.highlight-card.color-2 {
  background-color: var(--color-coral-bg);
  color: var(--color-coral-text);
}
.highlight-card.color-3 {
  background-color: var(--color-blue-bg);
  color: var(--color-blue-text);
}

.highlight-number-wrap {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 8px;
}

.highlight-label {
  font-size: 18px;
  font-weight: 500;
}

/* RWD for highlights */
@media (max-width: 767px) {
  .highlights-section {
    padding: 40px 0;
  }
  
  .highlights-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .highlight-card {
    padding: 24px 16px;
  }
  
  .highlight-number-wrap {
    font-size: 48px;
  }
  
  .highlight-label {
    font-size: 16px;
  }
}

/* =========================================
   首頁 - 課程分類
   ========================================= */
.categories-section {
  padding: var(--section-padding);
  background-color: var(--color-gray-bg);
}

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 40px;
  color: var(--color-dark);
}

.categories-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.category-card {
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  border-radius: var(--card-radius);
  text-decoration: none;
  color: var(--color-dark);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background-color: var(--color-white);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.category-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.category-name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.category-count {
  font-size: 14px;
  color: rgba(0,0,0,0.6);
  margin-bottom: 8px;
  flex: 1;
}

.category-age {
  font-size: 13px;
  font-weight: 500;
  opacity: 0.75;
  margin-bottom: 16px;
}

.category-link-text {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
}

.category-link-text::after {
  content: '→';
  margin-left: 8px;
  transition: transform 0.2s ease;
}

.category-card:hover .category-link-text::after {
  transform: translateX(4px);
}

/* RWD for categories */
@media (max-width: 991px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 28px;
    margin-bottom: 32px;
  }
}

/* =========================================
   首頁 - 下午活動 (Carousel & Grid)
   ========================================= */
.activities-section {
  padding: var(--section-padding);
  background-color: var(--color-white);
  text-align: center;
}

.activities-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.carousel-wrapper {
  display: flex;
  align-items: center;
  position: relative;
  margin: 0 auto 32px auto;
  gap: 16px;
}

.carousel-btn {
  background-color: var(--color-gray-bg);
  color: var(--color-dark);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color 0.2s, color 0.2s;
  flex-shrink: 0;
  z-index: 2;
}

.carousel-btn:hover {
  background-color: var(--color-orange);
  color: var(--color-white);
}

.carousel-viewport {
  flex: 1;
  overflow: hidden;
  touch-action: pan-y; /* 防止垂直拖動被我們攔截，但我們只需要攔截橫移 */
}

/* 軌道 */
.carousel-track {
  display: flex;
  transition: transform 0.4s ease-out;
}

/* 卡片 */
.activity-card {
  flex: 0 0 calc((100% - 48px) / 3); /* 桌面顯示 3 張，24px * 2 = 48px */
  display: flex;
  flex-direction: column;
  background-color: var(--color-gray-bg);
  border-radius: var(--card-radius);
  overflow: hidden;
  text-align: left;
}

.activity-card + .activity-card {
  margin-left: 24px;
}

.activity-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: #E2E2E2;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.activity-image::after {
  content: '活動圖片佔位';
  color: rgba(0,0,0,0.4);
  font-size: 14px;
}

.activity-info {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.activity-emoji {
  font-size: 28px;
}

.activity-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
}

.activities-note {
  font-size: 18px;
  color: var(--color-gray-text);
  font-weight: 500;
}

/* RWD for activities */
@media (max-width: 1024px) {
  .activity-card {
    flex: 0 0 calc((100% - 24px) / 2); /* 平板顯示 2 張 */
  }
  .activity-card + .activity-card {
    margin-left: 24px;
  }
}

@media (max-width: 767px) {
  /* 手機版改為 2 欄 Grid，取消 Carousel 樣式 */
  .carousel-wrapper {
    display: block;
    margin-bottom: 24px;
  }
  
  .carousel-btn {
    display: none; /* 隱藏箭頭 */
  }
  
  .carousel-viewport {
    overflow: visible;
  }
  
  .carousel-track {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    transform: none !important; /* 強制覆蓋 js 設定的 translate */
    transition: none;
  }
  
  .activity-card {
    width: 100%;
    flex: none;
    margin-left: 0 !important;
  }
  
  .activities-note {
    font-size: 16px;
  }
}

/* =========================================
   首頁 - 定價方案
   ========================================= */
.pricing-section {
  padding: 80px 24px;
  background-color: var(--color-gray-bg);
}

.pricing-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.pricing-header {
  text-align: center;
  margin-bottom: 48px;
}

.original-price {
  font-size: 24px;
  color: var(--color-gray-text);
  text-decoration: line-through;
  margin-top: 8px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.pricing-card {
  background-color: var(--color-white);
  border-radius: var(--card-radius);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  border: 2px solid transparent;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

/* 針對作用中的方案加上強調邊框與陰影 */
.pricing-card.active {
  border-color: var(--color-orange);
  box-shadow: var(--shadow-md);
  transform: scale(1.02);
}

.pricing-card.active:hover {
  transform: scale(1.02) translateY(-8px);
}

.badge-active {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-orange);
  color: var(--color-white);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.pricing-price::before {
  content: '$';
  font-size: 28px;
  margin-top: 8px;
  margin-right: 4px;
  font-family: var(--font-sans);
}

.pricing-saving {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 24px;
}

.pricing-deadline {
  color: var(--color-gray-text);
  font-size: 16px;
  margin-bottom: 32px;
  flex: 1;
}

.btn-pricing {
  display: block;
  width: 100%;
  padding: 16px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  transition: all 0.3s ease;
  color: var(--color-white);
}

.btn-pricing:hover {
  filter: brightness(0.9);
}

/* 方案底下的加碼優惠區 */
.bonus-section {
  background-color: var(--color-white);
  border-radius: var(--card-radius);
  padding: 40px;
  text-align: center;
}

.bonus-section h3 {
  font-size: 24px;
  margin-bottom: 24px;
  color: var(--color-dark);
}

.bonus-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.bonus-item {
  background-color: var(--color-gray-bg);
  padding: 16px 24px;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  min-width: 160px;
}

.bonus-label {
  font-weight: 700;
  font-size: 18px;
  color: var(--color-orange);
  margin-bottom: 8px;
}

.bonus-desc {
  font-size: 14px;
  color: var(--color-gray-text);
}

/* RWD for pricing */
@media (max-width: 991px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .pricing-card {
    padding: 32px 20px;
  }
  .pricing-price {
    font-size: 44px;
  }
}

@media (max-width: 767px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .pricing-card.active {
    transform: none;
  }
  
  .pricing-card.active:hover {
    transform: translateY(-8px);
  }
  
  .bonus-section {
    padding: 24px 16px;
  }
  .bonus-item {
    width: calc(50% - 8px);
    min-width: unset;
  }
}

/* =========================================
   首頁 - 時程表
   ========================================= */
.schedule-section {
  padding: 80px 24px;
  background-color: var(--color-white);
}

.schedule-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.schedule-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}

.tab-btn {
  background-color: var(--color-gray-bg);
  border: none;
  padding: 12px 32px;
  font-size: 18px;
  font-weight: 700;
  border-radius: 30px;
  color: var(--color-gray-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  background-color: #E2E2E2;
}

.tab-btn.active {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.schedule-select-wrapper {
  margin-bottom: 32px;
  text-align: center;
}

.schedule-select-wrapper label {
  font-weight: 700;
  margin-right: 8px;
  font-size: 16px;
}

.schedule-select {
  padding: 10px 16px;
  font-size: 16px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  min-width: 200px;
}

.d-block-mobile { display: none; }
.d-none-mobile { display: flex; }

.schedule-content {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.week-card {
  display: none;
  background-color: var(--color-gray-bg);
  border-radius: var(--card-radius);
  padding: 24px;
}

@keyframes fadeInCard {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 768px) {
  .schedule-content.show-july .week-card[data-month="july"] {
    display: block;
    animation: fadeInCard 0.3s ease forwards;
  }
  
  .schedule-content.show-august .week-card[data-month="august"] {
    display: block;
    animation: fadeInCard 0.3s ease forwards;
  }
}

.week-header {
  border-bottom: 2px solid var(--color-white);
  padding-bottom: 16px;
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.week-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}

.week-dates {
  font-size: 16px;
  color: var(--color-gray-text);
}

.schedule-note {
  background-color: var(--color-orange);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 12px;
}

.schedule-course {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  gap: 12px;
}

.schedule-course:last-child {
  margin-bottom: 0;
}

.course-tag {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  min-width: 48px;
  text-align: center;
}

.course-name {
  font-size: 16px;
  font-weight: 500;
  flex: 1;
}

/* RWD for Schedule */
@media (max-width: 767px) {
  .d-none-mobile { display: none; }
  .d-block-mobile { display: block; }
  
  .schedule-content {
    grid-template-columns: 1fr;
  }
  
  .week-card { display: none !important; }
  .week-card.active-mobile { 
    display: block !important;
    animation: fadeInCard 0.3s ease forwards;
  }
}

/* =========================================
   首頁 - 常見問題 Q&A
   ========================================= */
.faq-section {
  padding: 80px 24px;
  background-color: var(--color-gray-bg);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-wrapper {
  margin-bottom: 40px;
}

.accordion-item {
  background-color: var(--color-white);
  border-radius: 8px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
  transition: color 0.3s ease;
}

.accordion-header:hover {
  color: var(--color-orange);
}

.accordion-title {
  flex: 1;
  padding-right: 24px;
  line-height: 1.4;
}

.accordion-icon {
  font-size: 24px;
  font-weight: 400;
  color: var(--color-orange);
  transition: transform 0.3s ease;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background-color: var(--color-white);
}

.accordion-content-inner {
  padding: 0 24px 24px 24px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-text);
  border-top: 1px solid var(--color-border);
  margin-top: -8px; 
  padding-top: 16px;
}

.accordion-item.active .accordion-header {
  color: var(--color-orange);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

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

.faq-more-link {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-orange);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.faq-more-link .arrow {
  margin-left: 8px;
  transition: transform 0.3s ease;
}

.faq-more-link:hover .arrow {
  transform: translateX(4px);
}

/* =========================================
   首頁 - 底部 CTA 區
   ========================================= */
.cta-section {
  padding: 100px 24px;
  background-color: var(--color-dark);
  color: var(--color-white);
  text-align: center;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-white);
}

.cta-subtitle {
  font-size: 20px;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.9);
}

.btn-cta {
  display: inline-block;
  background-color: var(--color-orange);
  color: var(--color-white);
  font-size: 24px;
  font-weight: 700;
  width: 100%;
  max-width: 280px;
  padding: 16px 0;
  border-radius: 40px;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-bottom: 24px;
}

.btn-cta:hover {
  filter: brightness(0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 93, 36, 0.3);
}

.cta-note {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
}

/* RWD for FAQ & CTA */
@media (max-width: 767px) {
  .faq-section {
    padding: 60px 24px;
  }
  
  .accordion-header {
    font-size: 16px;
    padding: 20px;
  }
  
  .cta-section {
    padding: 60px 24px;
  }
  
  .cta-title {
    font-size: 36px;
  }
  
  .cta-subtitle {
    font-size: 16px;
    margin-bottom: 32px;
  }
}

/* =========================================
   分頁 - 課程分類 Hero
   ========================================= */
.course-hero {
  padding: 120px 24px 60px 24px;
  text-align: center;
}

.course-hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.breadcrumbs {
  font-size: 14px;
  color: var(--color-gray-text);
  margin-bottom: 24px;
}

.breadcrumbs a {
  color: var(--color-dark);
  text-decoration: none;
  font-weight: 500;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.course-category-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
}

.course-category-desc {
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* =========================================
   分頁 - 課程清單
   ========================================= */
.course-list-section {
  padding: 60px 24px;
  background-color: var(--color-white);
}

.course-list-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.course-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.course-badge-new {
  position: absolute;
  top: 16px;
  right: 16px;
  background-color: var(--color-orange);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 12px;
  z-index: 1;
}

.course-card-content {
  padding: 32px 24px 24px 24px;
  flex: 1;
}

.course-age-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.course-card-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.course-card-tagline {
  font-size: 16px;
  color: var(--color-gray-text);
  line-height: 1.6;
}

.course-card-footer {
  padding: 0 24px 24px 24px;
}

.btn-details {
  border-radius: 8px;
  padding: 12px;
  font-size: 16px;
}

/* =========================================
   分頁 - 課程 Modal 彈窗 (精細化設計)
   ========================================= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  padding: 24px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.course-modal {
  background-color: var(--color-white);
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  border-radius: 16px;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95);
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  background-color: rgba(0, 0, 0, 0.05);
  border: none;
  border-radius: 50%;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background-color 0.2s ease;
}

.modal-close-btn:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

.modal-overlay.active .course-modal {
  transform: scale(1);
  opacity: 1;
}

.modal-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden; /* 防止內容撐破 body */
  position: relative;
}

.modal-scroll-area {
  overflow-y: auto;
  flex: 1;
  padding-bottom: 20px; /* 留白 */
  
  /* 捲軸美化 (Webkit) */
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.2) transparent;
}

.modal-scroll-area::-webkit-scrollbar {
  width: 6px;
}

.modal-scroll-area::-webkit-scrollbar-track {
  background: transparent;
}

.modal-scroll-area::-webkit-scrollbar-thumb {
  background-color: rgba(0,0,0,0.1);
  border-radius: 10px;
}

.modal-scroll-area::-webkit-scrollbar-thumb:hover {
  background-color: rgba(0,0,0,0.2);
}

/* Modal Header */
.modal-refined-header {
  padding: 32px 32px;
  position: relative;
}

.modal-new-badge {
  background-color: #f44336; /* 橘紅色 */
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 8px;
}

.modal-refined-title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 8px 0;
}

.modal-refined-tagline {
  font-size: 16px;
  color: #666;
  margin-bottom: 16px;
  line-height: 1.4;
}

.modal-header-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.modal-badge-item {
  font-size: 13px;
  color: #555;
  background: rgba(0, 0, 0, 0.05);
  padding: 4px 10px;
  border-radius: 4px;
}

/* Modal Tabs */
.modal-tabs-section {
  padding: 0 32px;
  margin-top: 24px;
}

.modal-tabs-desktop {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.tab-btn-refined {
  padding: 8px 20px;
  border: none;
  border-radius: 20px;
  background-color: #eee;
  color: #666;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-tabs-mobile {
  display: none;
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
  margin-bottom: 24px;
}

.tab-pane-refined {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-pane-refined.active {
  display: block;
}

.tab-day-title-refined {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.tab-day-points-refined {
  list-style: none;
  padding: 0;
}

.tab-day-points-refined li {
  font-size: 16px;
  margin-bottom: 12px;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
}

.point-check {
  margin-right: 12px;
  font-weight: 700;
}

/* Intro & Takeaway */
.modal-section-intro {
  padding: 24px 32px;
}

.section-label-small {
  font-size: 14px;
  color: #999;
  margin-bottom: 8px;
}

.modal-intro-text {
  font-size: 16px;
  line-height: 1.8;
  color: #333;
}

.modal-section-takeaway {
  padding: 0 32px 32px;
}

.takeaway-box-refined {
  background-color: #E8F5E9;
  padding: 24px;
  border-radius: 8px;
  display: flex;
  gap: 16px;
  color: #2E7D32;
}

.takeaway-box-icon {
  font-size: 24px;
}

.takeaway-box-content {
  font-size: 15px;
  line-height: 1.6;
}

/* Footer */
.modal-refined-footer {
  padding: 20px 32px;
  border-top: 1px solid #eee;
}

.btn-modal-register-refined {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 52px;
  background-color: #f44336;
  color: #fff;
  text-decoration: none;
  border-radius: 26px;
  font-size: 18px;
  font-weight: 700;
  transition: all 0.2s ease;
}

.btn-modal-register-refined:hover {
  filter: brightness(0.9);
  transform: translateY(-2px);
}

@media (max-width: 767px) {
  .modal-tabs-desktop { display: none; }
  .modal-tabs-mobile { display: block; }
  .modal-refined-header { padding: 24px; }
  .modal-tabs-section { padding: 0 24px; }
  .modal-section-intro { padding: 24px; }
  .modal-section-takeaway { padding: 0 24px 24px; }
  .modal-refined-footer { padding: 16px 24px; }
}

/* RWD for Courses */
@media (max-width: 991px) {
  .course-list-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .course-category-title {
    font-size: 36px;
  }
  .course-list-container {
    grid-template-columns: 1fr;
  }
  .modal-overlay {
    padding: 16px;
  }
  .modal-body {
    padding: 24px;
  }
  .tab-btn-modal {
    padding: 10px 12px;
    font-size: 15px;
    flex: 1;
    text-align: center;
  }
}

/* =========================================
   分頁 - 完整常見問題 (faq.html) 專屬樣式
   ========================================= */
.faq-page-hero {
  padding: 140px 24px 80px 24px;
  text-align: center;
  background-color: var(--color-dark);
  color: var(--color-white);
}

.faq-page-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
}

.faq-page-subtitle {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.8);
}

.faq-page-content {
  padding: 60px 24px 80px 24px;
  background-color: var(--color-gray-bg);
}

.faq-page-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-category-header {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  margin-top: 48px;
  padding-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 2px solid;
}

.faq-category-header:first-child {
  margin-top: 0;
}

@media (max-width: 767px) {
  .faq-page-hero {
    padding: 100px 24px 60px 24px;
  }
  .faq-page-title {
    font-size: 36px;
  }
}

/* =========================================
   Global Footer
   ========================================= */
.site-footer {
  background-color: #0f172a; /* 深色背景符合全站現代感 */
  color: #fff;
  padding: 80px 0 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-logo {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 24px;
}

.footer-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

.footer-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--color-orange);
  padding-left: 5px;
}

.footer-contact p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .site-footer { padding: 40px 24px 30px 24px; }
  .footer-logo { font-size: 20px; }
}

/* =========================================
   Global Line FAB (Floating Action Button)
   ========================================= */
.line-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: #06C755;
  color: white;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 40px;
  font-weight: bold;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.line-fab:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 8px 24px rgba(6, 199, 85, 0.4);
}

.line-fab svg {
  display: block;
}

/* =========================================
   Global Footer
   ========================================= */
.site-footer {
  background-color: #0f172a;
  color: #fff;
  padding: 80px 0 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-logo {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 24px;
}

.footer-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.footer-social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-social-btn:hover {
  background-color: rgba(255, 255, 255, 0.18);
  color: #fff;
  transform: translateY(-2px);
}

.footer-social-btn svg {
  flex-shrink: 0;
}

.footer-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--color-orange);
  padding-left: 5px;
}

.footer-contact p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .footer-grid { display: flex; flex-direction: column; gap: 40px; }
  .site-footer { padding: 60px 24px 30px 24px; }
  .footer-logo { font-size: 20px; }
}

@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1; /* 跨越所有行 */
  }
}

@media (max-width: 767px) {
  .site-footer {
    padding: 48px 24px 24px;
  }
  .footer-grid {
    display: flex; /* 改用 flex 方便排 order */
    flex-direction: column;
    gap: 40px;
    text-align: left;
  }

  .footer-brand { order: 1; }
  .footer-contact { order: 2; }
  .footer-links { order: 3; }
}

/* =========================================
   課程總覽頁 courses.html 專屬樣式
   ========================================= */

/* 區塊 1：Hero */
.courses-hero {
  background-color: var(--color-dark);
  height: 280px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: relative;
  overflow: hidden;
  margin-top: 0;
}

.courses-hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

/* =========================================
   分頁 - 課程總覽頁 (courses.html) - 極致美化版
   ========================================= */

/* Hero 區塊：背景圖片輪播與文字疊層 */
.overview-hero-carousel {
  position: relative;
  height: 480px; /* 增加高度以容納導覽指示點 */
  overflow: hidden;
  background-color: #0f172a;
  color: #fff;
}

.carousel-slides {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 800ms ease-in-out;
  z-index: 1;
}

.carousel-slide.active {
  opacity: 1;
}

/* --- Slide 模式 (Activities) --- */
.carousel-viewport {
  overflow: hidden;
  width: 100%;
  padding: 20px 0;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  gap: 0; /* 透過 item padding 控制間距 */
}

.carousel-item {
  flex: 0 0 100%; /* 手機預設 1 */
  padding: 0 10px;
  box-sizing: border-box;
}

@media (min-width: 768px) {
  .carousel-item { flex: 0 0 50%; }
}

@media (min-width: 992px) {
  .carousel-item { flex: 0 0 33.333%; }
}

/* 活動卡片樣式 */
.activity-card {
  position: relative;
  border-radius: var(--card-radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  background: #eee;
}

.activity-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.activity-card-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 15px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
}

.activity-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.activity-card:hover img {
  transform: scale(1.1);
}

/* --- 通用控制項 --- */
.carousel-controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  pointer-events: none;
  z-index: 10;
}

.carousel-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  pointer-events: auto;
}

.carousel-arrow:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: scale(1.1);
}

.carousel-dots {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  pointer-events: auto;
}

/* Hero 輪播的指示點要在內部 */
.overview-hero-carousel .carousel-dots {
  bottom: 30px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: #fff;
  width: 24px;
  border-radius: 10px;
}

/* 手機隱藏箭頭 */
@media (max-width: 767px) {
  .carousel-arrow { display: none; }
  .activity-carousel-section { padding-bottom: 20px; }
}

.activity-carousel-section {
  margin-top: 40px;
  padding-bottom: 50px;
}

.carousel-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 26, 46, 0.6); /* 使用戶要求的深色半透明遮罩 */
  z-index: 3;
}

.overview-hero-inner {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 60px; /* 麵包屑偏移 */
}

.hero-breadcrumb-light {
  font-size: 14px;
  margin-bottom: 24px;
  opacity: 0.8;
}

.hero-breadcrumb-light a { color: #fff; text-decoration: none; }
.hero-breadcrumb-light .sep { margin: 0 8px; }

.hero-title-main {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-title-main .highlight {
  color: #60a5fa; /* 在深色背景下直接用淺藍 */
}

.hero-description {
  font-size: 22px;
  line-height: 1.6;
  opacity: 0.9;
  max-width: 650px;
  text-shadow: 0 1px 5px rgba(0,0,0,0.3);
}

/* 輪播控制：指示點 */
.carousel-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 20;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background-color: #fff;
  transform: scale(1.3);
}

/* 輪播控制：箭頭 */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
  transition: all 0.3s ease;
  font-size: 18px;
  backdrop-filter: blur(4px);
}

.carousel-arrow:hover {
  background-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-50%) scale(1.1);
}

.carousel-arrow.prev { left: 40px; }
.carousel-arrow.next { right: 40px; }

/* RWD 修整 */
@media (max-width: 991px) {
  .hero-title-main { font-size: 40px; }
  .carousel-arrow { display: none; } /* 手機版隱藏箭頭 */
}

@media (max-width: 767px) {
  .overview-hero-carousel { height: 400px; }
  .hero-title-main { font-size: 32px; }
  .hero-description { font-size: 18px; }
}

/* 類別卡片：玻璃擬態與動態 */
.category-cards-grid-refined {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: -60px; /* 向上偏移壓在 Hero 上 */
  position: relative;
  z-index: 20;
  margin-bottom: 100px;
}

.cat-card-glass {
  background: rgba(255, 255, 255, 1);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 24px;
  padding: 40px;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cat-card-glass:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.12);
  border-color: var(--accent);
}

.cat-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}

.cat-card-pill {
  padding: 6px 16px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 700;
}

.cat-card-icon-box {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cat-card-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
}

.cat-card-glass:hover .cat-card-icon-box {
  transform: scale(1.1) rotate(5deg);
}

.cat-card-name {
  font-size: 32px;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 12px;
}

.cat-card-tagline {
  font-size: 16px;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 24px;
}

.cat-card-footer-refined {
  padding-top: 24px;
  border-top: 1px solid #f1f5f9;
}

.cat-card-link {
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cat-card-link .arrow {
  transition: transform 0.3s ease;
}

.cat-card-glass:hover .arrow {
  transform: translateX(6px);
}

/* Modal 課表區塊樣式 */
.modal-section-schedule {
  margin: 32px 0;
  padding: 0 20px;
}

.modal-schedule-container {
  margin-top: 12px;
  background: #f8fafc;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
}

.modal-schedule-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.modal-schedule-container:hover .modal-schedule-img {
  transform: scale(1.02);
}

/* Modal 課程簡介與標籤樣式 */
.section-label-small {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
  opacity: 0.8;
}

.modal-section-intro {
  margin: 32px 0;
  padding: 0 20px;
}

.modal-intro-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #475569;
  text-align: justify;
}

.modal-section-takeaway {
  margin: 32px 20px;
  padding: 24px;
  border-radius: 16px;
}

.takeaway-box-refined {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.takeaway-box-icon {
  font-size: 2rem;
}

.takeaway-box-content {
  font-size: 1rem;
  line-height: 1.6;
  color: #1e293b;
}

/* 選課指南卡片 */
.selection-feature-section {
  padding: 80px 0;
}

.section-badge {
  text-align: center;
  color: var(--color-orange);
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 14px;
  margin-bottom: 16px;
}

.section-title-center {
  text-align: center;
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 60px;
}

.selection-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card-refined {
  background: #f8fafc;
  padding: 32px;
  border-radius: 20px;
  text-align: center;
  transition: background 0.3s ease;
}

.feature-card-refined:hover {
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 24px;
}

.feature-age {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 8px;
}

.feature-cat {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 16px;
}

.feature-cat.teal { color: var(--color-teal); }
.feature-cat.purple { color: var(--color-purple); }
.feature-cat.coral { color: var(--color-coral); }
.feature-cat.blue { color: var(--color-blue); }

.feature-desc {
  font-size: 15px;
  color: #475569;
  line-height: 1.6;
}

/* 沉浸式活動 Banner */
.activity-immersive-section {
  position: relative;
  padding: 120px 0;
  background: #fff;
  overflow: hidden;
}

.activity-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 180px;
  font-weight: 900;
  color: #f1f5f9;
  white-space: nowrap;
  z-index: 1;
  pointer-events: none;
}

.activity-box-refined {
  position: relative;
  z-index: 5;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 32px;
  padding: 60px;
  display: flex;
  gap: 80px;
  align-items: center;
  box-shadow: 0 20px 40px -15px rgba(0,0,0,0.05);
}

.activity-info-part { flex: 1.2; }
.activity-h2 { font-size: 44px; font-weight: 800; line-height: 1.2; margin: 16px 0 24px; }
.activity-p { font-size: 17px; color: #475569; line-height: 1.8; }

.activity-visual-part {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.act-visual-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #f8fafc;
  padding: 16px 24px;
  border-radius: 16px;
  transition: transform 0.3s ease;
}

.act-visual-item:hover { transform: scale(1.05); background: #fff; box-shadow: var(--shadow-sm); }

.act-visual-item .icon { font-size: 24px; }
.act-visual-item p { font-weight: 700; color: #1e293b; }

.act-icon-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 1024px) {
  .selection-feature-grid { grid-template-columns: repeat(2, 1fr); }
  .activity-box-refined { flex-direction: column; padding: 40px; gap: 40px; }
}

@media (max-width: 767px) {
  .hero-title-main { font-size: 40px; }
  .category-cards-grid-refined { grid-template-columns: 1fr; gap: 20px; margin-top: -40px; }
  .cat-card-glass { padding: 32px; }
  .selection-feature-grid { grid-template-columns: 1fr; }
  .activity-h2 { font-size: 32px; }
  .activity-bg-text { font-size: 80px; }
}

.breadcrumb {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.courses-hero-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.courses-hero-subtitle {
  font-size: 20px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 767px) {
  .courses-hero {
    height: 200px;
  }
  .courses-hero-title {
    font-size: 32px;
  }
  .courses-hero-subtitle {
    font-size: 16px;
  }
}

/* 區塊 2：類別卡片 */
.courses-categories-section {
  padding: 80px 24px;
  background-color: var(--color-white);
}

.courses-categories-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.category-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.category-large-card {
  height: 220px;
  border-radius: var(--card-radius);
  display: flex;
  align-items: center;
  padding: 40px;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.category-large-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.category-card-emoji {
  font-size: 64px;
  margin-right: 32px;
  flex-shrink: 0;
}

.category-card-info {
  flex: 1;
}

.category-card-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

.category-card-count {
  font-size: 14px;
  color: var(--color-gray-text);
  margin-bottom: 12px;
}

.category-card-desc {
  font-size: 16px;
  color: inherit;
  opacity: 0.8;
  margin-bottom: 12px;
}

.category-card-link {
  font-size: 16px;
  font-weight: 700;
}

@media (max-width: 991px) {
  .category-large-card {
    padding: 24px;
  }
  .category-card-emoji {
    font-size: 48px;
    margin-right: 20px;
  }
}

@media (max-width: 767px) {
  .category-overview-grid {
    grid-template-columns: 1fr;
  }
  .category-large-card {
    height: auto;
    min-height: 180px;
  }
}

/* 區塊 3：選課對照表 */
.comparison-section {
  padding: 80px 24px;
  background-color: var(--color-gray-bg);
}

.comparison-container {
  max-width: 900px;
  margin: 0 auto;
}

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-sm);
  background-color: var(--color-white);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 16px 24px;
  text-align: left;
  font-size: 18px;
}

.comparison-table td {
  padding: 16px 24px;
  border-bottom: 1px solid #eee;
  font-size: 16px;
  line-height: 1.5;
}

.comparison-table tr:nth-child(even) td {
  background-color: var(--color-gray-bg);
}

.comparison-table tr td:first-child {
  font-weight: 700;
  width: 30%;
}

@media (max-width: 767px) {
  .comparison-section {
    padding: 60px 24px;
  }
}

/* 區塊 4：下午活動預告 */
.activities-preview-row {
  background-color: var(--color-dark);
  color: var(--color-white);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 24px;
}

.cat-card-icon-box {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.cat-card-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 5px;
}

.activities-icons {
  display: flex;
  gap: 12px;
  font-size: 24px;
}

.activities-text {
  font-size: 16px;
  font-weight: 500;
}

@media (max-width: 767px) {
  .activities-preview-row {
    height: auto;
    padding: 24px;
    flex-direction: column;
    text-align: center;
  }
}

/* =========================================
   課程類別頁面 (courses-xxx.html) 專屬樣式
   ========================================= */

/* 區塊 1：類別 Hero */
.category-hero-section {
  display: flex;
  align-items: center;
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
  margin-top: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 背景遮罩，確保文字白字在圖片上清晰 */
.category-hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 40%, rgba(255,255,255,0.4) 100%);
  z-index: 1;
}

/* 當有背景圖時的特殊遮罩（如果需要的話，可以在 JS 動態加 class，但這裡先用通用漸層） */
.category-hero-section.has-bg::before {
  background: linear-gradient(90deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 50%, rgba(255,255,255,0.2) 100%);
}


/* 左側色條 */
.category-hero-line {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px; /* 4px 改 6px 更有存在感 */
}

.category-hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

/* 麵包屑 */
.hero-breadcrumb {
  font-size: 14px;
  color: #666;
  margin-bottom: 24px;
}

.hero-breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.hero-breadcrumb a:hover {
  text-decoration: underline;
}

/* 標題與 Badge */
.hero-title-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

.hero-title {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.2;
}

.hero-course-badge {
  background-color: var(--color-white);
  border: 1px solid;
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.hero-subtitle {
  font-size: 18px;
  color: #666;
  max-width: 700px;
  line-height: 1.6;
}

/* 裝飾 Emoji */
.hero-deco-emoji {
  position: absolute;
  right: 40px;
  bottom: -20px;
  font-size: 140px;
  opacity: 0.15;
  user-select: none;
  z-index: 1;
}

@media (max-width: 1024px) {
  .hero-title { font-size: 40px; }
  .hero-deco-emoji { font-size: 100px; right: 20px; }
}

@media (max-width: 767px) {
  .category-hero-section {
    padding: 100px 24px 40px 24px;
  }
  .hero-title-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .hero-title { font-size: 32px; }
  .hero-deco-emoji { display: none; }
}

/* 區塊 2：課程網格清單 */
.course-grid-section {
  padding: 60px 24px 100px 24px;
  background-color: var(--color-white);
}

.course-grid-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.course-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px; /* 桌機 3 欄 gap 24px */
}

/* 每張課程卡片基礎 */
.course-card {
  background-color: var(--color-white);
  border: 0.5px solid var(--color-border);
  border-radius: var(--card-radius);
  min-height: 280px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* ① 頂部色條 */
.course-card-top-bar {
  height: 8px;
  width: 100%;
}

/* ② 標題列 */
.course-card-title-row {
  padding: 20px 20px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.course-new-badge {
  background-color: var(--color-orange);
  color: var(--color-white);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  flex-shrink: 0;
}

.course-name-text {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ③ 標籤列 */
.course-tag-row {
  padding: 8px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.course-age-badge {
  background-color: #f0f0f0;
  color: #666;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 4px;
}

.course-new-label {
  font-size: 12px;
  color: var(--color-orange);
  font-weight: 500;
}

/* ④ 一句話說明 */
.course-tagline-text {
  padding: 0 20px 12px;
  font-size: 14px;
  color: #666;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

/* ⑤ 帶回家的成品區 */
.course-takeaway-area {
  padding: 12px 20px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.takeaway-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.takeaway-text {
  font-size: 13px;
  line-height: 1.4;
  color: inherit;
  opacity: 0.9;
}

/* ⑥ 底部按鈕區 */
.course-card-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
}

.btn-course-details {
  width: 100%;
  padding: 10px;
  background-color: transparent;
  border: 1px solid;
  border-radius: var(--btn-radius);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

@media (max-width: 1024px) {
  .course-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .course-cards-grid {
    grid-template-columns: 1fr;
  }
  .course-card {
    min-height: auto;
  }
}

/* 區塊 3：小提醒 */
.category-note-container {
  max-width: var(--max-width);
  margin: 60px auto 0 auto;
}

.category-note-box {
  display: flex;
  gap: 20px;
  background-color: var(--color-gray-bg);
  padding: 32px;
  border-radius: var(--card-radius);
  align-items: flex-start;
}

.note-icon { font-size: 32px; }
.note-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.note-content p { font-size: 16px; line-height: 1.6; color: var(--color-gray-text); }

@media (max-width: 767px) {
  .category-note-box { padding: 24px; flex-direction: column; gap: 12px; }
}