/* 搖擺舞團課程系統 - 精確顏色規範 */

/* 色彩變數 - 搖擺舞團品牌色彩 */
:root {
  /* 主色 (Primary) - 墨綠色 */
  --primary-color: #2F6F6A;        /* HEX: #2F6F6A, RGB: 47, 111, 106 */
  
  /* 輔色 (Secondary) - 珊瑚橘色 */
  --secondary-color: #E68A6D;      /* HEX: #E68A6D, RGB: 230, 138, 109 */
  
  /* 點綴色 (Accent) - 青藍色 */
  --accent-color: #8EBFBC;         /* HEX: #8EBFBC, RGB: 142, 191, 188 */
  
  /* 背景色 (Background) - 米白色 */
  --background-color: #F7F1E6;     /* HEX: #F7F1E6, RGB: 247, 241, 230 */
  
  /* 文字色 (Text) */
  --text-primary: #3B2F2A;         /* 深棕灰 - HEX: #3B2F2A, RGB: 59, 47, 42 */
  --text-secondary: #214640;       /* 墨綠深色調 - HEX: #214640, RGB: 33, 70, 64 */
  
  /* 其他顏色 */
  --white: #FFFFFF;
  --text-light: #999999;
  --border-color: #E9ECEF;
  --shadow-light: rgba(47, 111, 106, 0.1);
  --shadow-medium: rgba(47, 111, 106, 0.15);
  
  /* 漸層效果 */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), #FF9A75);
  --gradient-accent: linear-gradient(135deg, var(--accent-color), #7BA8A5);
  
  /* Hover 效果色彩 */
  --primary-hover: #8EBFBC;        /* 墨綠 → 青藍 */
  --secondary-hover: #FF9A75;      /* 珊瑚橘 → 淺亮橘 (#FF9A75) */
}

/* 基礎設定 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
  min-height: 100%;
}

body {
  font-family: 'Noto Sans TC', 'Microsoft JhengHei', 'PingFang TC', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-color);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex !important;
  flex-direction: column !important;
}

/* 確保主要內容區域能夠伸展 */
.flex-grow-1 {
  flex: 1;
  min-height: 0; /* 確保 flex 項目可以正確收縮 */
  display: flex;
  flex-direction: column;
}

/* 確保 main 元素正確伸展 */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Enroll 頁面標題樣式 */
.enroll-header {
  background: linear-gradient(135deg, var(--background-color), rgba(47, 111, 106, 0.05));
  padding: 3rem 2rem;
  border-radius: 1rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 20px var(--shadow-light);
}

.enroll-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-shadow: 0 2px 4px rgba(47, 111, 106, 0.1);
  margin-bottom: 1rem;
}

.enroll-title i {
  color: var(--secondary-color);
  text-shadow: 0 2px 4px rgba(230, 138, 109, 0.3);
}

.enroll-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 1.5rem;
  opacity: 0.8;
}

.enroll-divider {
  width: 80px;
  height: 4px;
  background: var(--gradient-secondary);
  margin: 0 auto;
  border-radius: 2px;
  box-shadow: 0 2px 8px rgba(230, 138, 109, 0.3);
}

/* 課程標題區域樣式 */
.course-title-section {
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(47, 111, 106, 0.05), rgba(142, 191, 188, 0.1));
  border-radius: 0.75rem;
  border-left: 4px solid var(--primary-color);
  margin-bottom: 1rem;
}

.course-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-shadow: 0 1px 2px rgba(47, 111, 106, 0.1);
  line-height: 1.3;
}

.course-meta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.course-meta-item {
  display: flex;
  align-items: center;
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.course-meta-item i {
  color: var(--accent-color);
  width: 20px;
  text-align: center;
}

/* 課程價格樣式 */
.course-price {
  background: var(--background-color);
  color: var(--text-primary);
  padding: 1rem;
  border-radius: 0.5rem;
  text-align: center;
  border: 1px solid var(--border-color);
}

.price-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.price-amount {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
  color: var(--primary-color);
}

/* 優惠碼輸入區域樣式 */
.discount-input-section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.discount-input-section .form-control {
  font-size: 0.8rem;
  padding: 0.5rem 0.75rem;
}

.discount-input-section .form-label {
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* 價格詳細資訊樣式 */
.price-details {
  text-align: center;
}

.original-price {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.price-strikethrough {
  text-decoration: line-through;
  color: var(--text-light);
  font-size: 1rem;
}

.discount-info {
  margin-top: 0.5rem;
}

.discount-amount {
  color: var(--secondary-color);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.final-price {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-color);
  text-shadow: 0 1px 2px rgba(47, 111, 106, 0.1);
}

/* main 內容區域樣式 */

/* 確保 Footer 在底部 */
/* Footer 位置設定已移至下方 */

/* 基本按鈕樣式 */
.btn {
  border-radius: 25px;
  font-weight: 600;
  padding: 0.75rem 2rem;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--white);
}

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

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--gradient-secondary);
  color: var(--white);
}

/* 基本卡片樣式 */
.card {
  border: none;
  border-radius: 20px;
  box-shadow: 0 10px 30px var(--shadow-light);
  background: var(--white);
  overflow: hidden;
}

/* 基本表單樣式 */
.form-control {
  border: 2px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: var(--white);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(47, 111, 106, 0.25);
  background: var(--white);
}

/* 基本文字樣式 */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 3.5rem;
  font-weight: 800;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
}

h3 {
  font-size: 2rem;
  font-weight: 600;
}

/* 基本連結樣式 */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-color);
  text-decoration: none;
}

/* 特定區域樣式 - 根據顏色規範 */

/* Hero 區域 - 米白背景＋大標題深棕灰文字＋墨綠按鈕＋珊瑚橘報名按鈕 */
.hero-section {
  background-color: var(--background-color);
  padding: 6rem 0;
  min-height: 80vh;  /* 改為 80vh 讓 footer 可以顯示 */
  display: flex;
  align-items: center;
}

/* 課程首頁 Hero 區域 - 背景圖片 */
.course-hero-section {
  background-image: url('/images/background.jpg') !important;
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  background-attachment: fixed;
  padding: 10rem 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
}

.course-hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.course-hero-section .container {
  position: relative;
  z-index: 2;
}

.course-hero-title {
  color: var(--white);
  text-shadow: 0 3px 6px rgba(0, 0, 0, 0.7);
}

.course-hero-main {
  display: block;
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
  letter-spacing: 2px;
}

.course-hero-sub {
  display: block;
  font-size: 1.8rem;
  font-weight: 500;
  opacity: 0.95;
  letter-spacing: 1px;
}

.course-hero-description {
  color: var(--white);
  font-size: 1.3rem;
  line-height: 1.8;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
  opacity: 0.98;
  max-width: 600px;
}


/* 一頁式廣告介紹區域 */
.swing-intro-section {
  background: linear-gradient(135deg, var(--background-color), rgba(47, 111, 106, 0.05));
  padding: 6rem 0;
  margin: 4rem 0;
  position: relative;
  overflow: hidden;
}

.swing-intro-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23E68A6D" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%238EBFBC" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%232F6F6A" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="%23E68A6D" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="%238EBFBC" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
  z-index: 1;
}

.swing-intro-section .container {
  position: relative;
  z-index: 2;
}

.intro-content {
  padding-right: 2rem;
}

.intro-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 2rem;
  line-height: 1.2;
}

.intro-title .highlight {
  color: var(--secondary-color);
  font-size: 2.5rem;
  font-weight: 600;
}

.intro-title .brand-name {
  color: var(--primary-color);
  font-size: 3.5rem;
  font-weight: 900;
  text-shadow: 0 2px 4px rgba(47, 111, 106, 0.2);
}

.intro-description {
  font-size: 1.3rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-weight: 400;
}


.intro-features {
  margin-bottom: 3rem;
}

.feature-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border-left: 4px solid var(--secondary-color);
}

.feature-item:hover {
  transform: translateX(10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-item i {
  font-size: 1.5rem;
  color: var(--secondary-color);
  margin-right: 1rem;
  width: 30px;
  text-align: center;
}

.feature-item span {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.intro-cta {
  text-align: left;
}

.intro-cta .btn {
  padding: 1rem 3rem;
  font-size: 1.2rem;
  font-weight: 700;
  border-radius: 50px;
  background: var(--gradient-secondary);
  border: none;
  box-shadow: 0 6px 20px rgba(230, 138, 109, 0.4);
  transition: all 0.3s ease;
}

.intro-cta .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(230, 138, 109, 0.6);
}

.intro-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dance-showcase {
  position: relative;
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dance-icon-large {
  font-size: 8rem;
  color: var(--primary-color);
  animation: dance-pulse 3s ease-in-out infinite;
  text-shadow: 0 4px 8px rgba(47, 111, 106, 0.3);
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.note {
  position: absolute;
  font-size: 2.5rem;
  color: var(--secondary-color);
  animation: float-note 4s ease-in-out infinite;
  opacity: 0.7;
}

.note-1 {
  top: 15%;
  left: 10%;
  animation-delay: 0s;
}

.note-2 {
  top: 25%;
  right: 15%;
  animation-delay: 1s;
}

.note-3 {
  bottom: 25%;
  left: 20%;
  animation-delay: 2s;
}

.note-4 {
  bottom: 15%;
  right: 10%;
  animation-delay: 3s;
}

/* 動畫效果 */
@keyframes dance-pulse {
  0%, 100% { 
    transform: scale(1) rotate(0deg); 
    color: var(--primary-color);
  }
  25% { 
    transform: scale(1.1) rotate(-5deg); 
    color: var(--secondary-color);
  }
  50% { 
    transform: scale(1.2) rotate(0deg); 
    color: var(--accent-color);
  }
  75% { 
    transform: scale(1.1) rotate(5deg); 
    color: var(--secondary-color);
  }
}

@keyframes float-note {
  0%, 100% { 
    transform: translateY(0px) rotate(0deg); 
    opacity: 0.7; 
  }
  50% { 
    transform: translateY(-30px) rotate(180deg); 
    opacity: 1; 
  }
}

/* 思慕搖擺介紹區塊 */
.smoo-intro-section {
  background: linear-gradient(135deg, #f8f9fa, rgba(47, 111, 106, 0.03));
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
  margin-top: 2rem;
  margin-bottom: 0;
  border-radius: 0 0 25px 25px;
}

.smoo-intro-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
  opacity: 0.3;
}

.smoo-intro-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="smoo-pattern" width="50" height="50" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="2" fill="%23E68A6D" opacity="0.08"/><circle cx="10" cy="10" r="1" fill="%232F6F6A" opacity="0.08"/><circle cx="40" cy="40" r="1.5" fill="%238EBFBC" opacity="0.08"/></pattern></defs><rect width="100" height="100" fill="url(%23smoo-pattern)"/></svg>');
  opacity: 0.6;
  z-index: 1;
}

.smoo-intro-section .container {
  position: relative;
  z-index: 2;
}

.smoo-header {
  margin-bottom: 4rem;
}

.smoo-main-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(47, 111, 106, 0.1);
}

.smoo-main-title i {
  color: var(--secondary-color);
  font-size: 2.5rem;
}

.smoo-subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* 思慕搖擺卡片樣式 */
.smoo-card {
  background: white;
  border-radius: 20px;
  padding: 0;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 2px solid transparent;
  overflow: hidden;
}

.smoo-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--secondary-color);
}

.smoo-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  border-radius: 20px 20px 0 0;
}

.smoo-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.smoo-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(47, 111, 106, 0.8), rgba(230, 138, 109, 0.6));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.smoo-card:hover .smoo-image-overlay {
  opacity: 1;
}

.smoo-image-overlay i {
  font-size: 3rem;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.smoo-card-content {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.smoo-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.smoo-card-description {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  flex: 1;
}

.smoo-features {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.smoo-feature-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 600;
}

.smoo-feature-item i {
  color: var(--secondary-color);
  font-size: 0.8rem;
}

/* 社群特色區域 */
.community-highlights {
  background: rgba(255, 255, 255, 0.9);
  padding: 3rem;
  border-radius: 25px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  border: 2px solid var(--primary-color);
}

.community-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
}

.community-title i {
  color: var(--secondary-color);
  font-size: 1.5rem;
}

.highlight-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.highlight-item:hover {
  transform: translateX(10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.highlight-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(230, 138, 109, 0.3);
}

.highlight-icon i {
  font-size: 1.5rem;
  color: white;
}

.highlight-text h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.highlight-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0;
}

/* 社群視覺效果 */
.community-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 300px;
}

.dance-circle {
  position: relative;
  width: 200px;
  height: 200px;
  border: 3px solid var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.center-icon {
  font-size: 3rem;
  color: var(--primary-color);
  animation: pulse 2s ease-in-out infinite;
}

.floating-dancers {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.dancer {
  position: absolute;
  font-size: 2rem;
  animation: dance-float 3s ease-in-out infinite;
}

.dancer-1 {
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 0s;
}

.dancer-2 {
  top: 50%;
  right: 10%;
  transform: translateY(-50%);
  animation-delay: 0.75s;
}

.dancer-3 {
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 1.5s;
}

.dancer-4 {
  top: 50%;
  left: 10%;
  transform: translateY(-50%);
  animation-delay: 2.25s;
}

/* 動畫效果 */
@keyframes pulse {
  0%, 100% { 
    transform: scale(1); 
    color: var(--primary-color);
  }
  50% { 
    transform: scale(1.1); 
    color: var(--secondary-color);
  }
}

@keyframes dance-float {
  0%, 100% { 
    transform: translateY(0px) rotate(0deg); 
    opacity: 0.8; 
  }
  50% { 
    transform: translateY(-20px) rotate(10deg); 
    opacity: 1; 
  }
}

/* 響應式設計 */
@media (max-width: 768px) {
  .smoo-intro-section {
    padding: 4rem 0;
    margin: 2rem 0;
  }
  
  .smoo-main-title {
    font-size: 2.2rem;
  }
  
  .smoo-main-title i {
    font-size: 1.8rem;
  }
  
  .smoo-subtitle {
    font-size: 1.1rem;
  }
  
  .smoo-card-content {
    padding: 1.5rem;
  }
  
  .smoo-image {
    height: 150px;
  }
  
  .smoo-image-overlay i {
    font-size: 2.5rem;
  }
  
  .smoo-card-title {
    font-size: 1.3rem;
  }
  
  .smoo-card-description {
    font-size: 0.9rem;
  }
  
  .community-highlights {
    padding: 2rem;
  }
  
  .community-title {
    font-size: 1.6rem;
    text-align: center;
  }
  
  .highlight-item {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .highlight-icon {
    width: 50px;
    height: 50px;
  }
  
  .highlight-icon i {
    font-size: 1.2rem;
  }
  
  .dance-circle {
    width: 150px;
    height: 150px;
  }
  
  .center-icon {
    font-size: 2.5rem;
  }
  
  .dancer {
    font-size: 1.5rem;
  }
}

/* Swing Dance 歷史介紹區塊 */
.swing-history-section {
  background: linear-gradient(135deg, rgba(47, 111, 106, 0.02), rgba(230, 138, 109, 0.05));
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
  margin-top: 0;
  border-radius: 25px 25px 0 0;
}

.swing-history-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  opacity: 0.3;
}

.swing-history-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="vintage" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="2.5" fill="%23E68A6D" opacity="0.06"/><circle cx="15" cy="15" r="1.5" fill="%232F6F6A" opacity="0.06"/><circle cx="45" cy="45" r="2" fill="%238EBFBC" opacity="0.06"/></pattern></defs><rect width="100" height="100" fill="url(%23vintage)"/></svg>');
  opacity: 0.8;
  z-index: 1;
}

.swing-history-section .container {
  position: relative;
  z-index: 2;
}

.history-header {
  margin-bottom: 4rem;
}

.history-main-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(47, 111, 106, 0.1);
}

.history-main-title i {
  color: var(--secondary-color);
  font-size: 2.5rem;
}

.history-subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* 舞蹈卡片樣式 */
.dance-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.dance-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.dance-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.dance-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.dance-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(47, 111, 106, 0.8), rgba(230, 138, 109, 0.6));
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.dance-card:hover .dance-overlay {
  opacity: 1;
}

.dance-year {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.dance-content {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.dance-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}

.dance-title i {
  color: var(--secondary-color);
  font-size: 1.3rem;
}

.dance-description {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex: 1;
}

.dance-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature-tag {
  background: var(--gradient-secondary);
  color: white;
  padding: 0.4rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(230, 138, 109, 0.3);
}

/* 呼籲行動區域 */
.history-cta {
  background: rgba(255, 255, 255, 0.9);
  padding: 3rem 2rem;
  border-radius: 25px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  border: 2px solid var(--secondary-color);
}

.cta-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  padding: 1.2rem 3rem;
  font-size: 1.2rem;
  font-weight: 700;
  border-radius: 50px;
  background: var(--gradient-primary);
  border: none;
  box-shadow: 0 8px 25px rgba(47, 111, 106, 0.4);
  transition: all 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(47, 111, 106, 0.6);
}

/* 按鈕容器 */
.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* 報名課程按鈕 - 珊瑚橘色 */
.cta-button-course {
  background: linear-gradient(135deg, var(--secondary-color), #FF9A75);
  color: white !important;
  border: none;
  box-shadow: 0 8px 25px rgba(230, 138, 109, 0.4);
}

.cta-button-course:hover {
  background: linear-gradient(135deg, #FF9A75, var(--secondary-color));
  color: white !important;
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(230, 138, 109, 0.6);
}

/* 報名體驗按鈕 - 墨綠色 */
.cta-button-experience {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white !important;
  border: none;
  box-shadow: 0 8px 25px rgba(47, 111, 106, 0.4);
}

.cta-button-experience:hover {
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  color: white !important;
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(47, 111, 106, 0.6);
}

.cta-button-check {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  font-weight: 600;
  transition: all 0.3s ease;
}

.cta-button-check:hover {
  background: var(--primary-color);
  color: white !important;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(47, 111, 106, 0.4);
}

/* Enroll 頁面按鈕樣式 */
.enroll-btn-back {
  color: var(--primary-color) !important;
  border: 1px solid var(--primary-color) !important;
  background: transparent !important;
}

.enroll-btn-back:hover {
  background: var(--primary-color) !important;
  color: white !important;
}

.enroll-btn-submit {
  background: var(--secondary-color) !important;
  color: white !important;
  border: none !important;
}

.enroll-btn-submit i {
  color: white !important;
}

.enroll-btn-submit:hover {
  background: #d67a5a !important;
  color: white !important;
}

.enroll-btn-submit:hover i {
  color: white !important;
}

/* 響應式設計 */
@media (max-width: 768px) {
  .cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
  }
  
  .cta-buttons .cta-button {
    width: 100%;
    max-width: 280px;
  }
  
  .enroll-btn-back,
  .enroll-btn-submit {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .swing-history-section {
    padding: 4rem 0;
    margin: 2rem 0;
  }
  
  .history-main-title {
    font-size: 2.2rem;
  }
  
  .history-main-title i {
    font-size: 1.8rem;
  }
  
  .history-subtitle {
    font-size: 1.1rem;
  }
  
  .dance-image {
    height: 200px;
  }
  
  .dance-content {
    padding: 1.5rem;
  }
  
  .dance-title {
    font-size: 1.3rem;
  }
  
  .dance-description {
    font-size: 0.9rem;
  }
  
  .cta-title {
    font-size: 1.8rem;
  }
  
  .cta-description {
    font-size: 1rem;
  }
  
  .cta-button {
    padding: 1rem 2rem;
    font-size: 1.1rem;
  }
}

/* 整體頁面協調性 */
.container-fluid {
  background: linear-gradient(135deg, #fafbfc, rgba(248, 249, 250, 0.8));
  min-height: 100vh;
  position: relative;
}

.container-fluid::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="page-pattern" width="80" height="80" patternUnits="userSpaceOnUse"><circle cx="40" cy="40" r="1.5" fill="%23E68A6D" opacity="0.02"/><circle cx="20" cy="20" r="1" fill="%232F6F6A" opacity="0.02"/><circle cx="60" cy="60" r="1.2" fill="%238EBFBC" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23page-pattern)"/></svg>');
  opacity: 0.6;
  z-index: 1;
  pointer-events: none;
}

.container-fluid > * {
  position: relative;
  z-index: 2;
}

/* 左側內容區域協調性 */
.col-lg-8 .card {
  border-radius: 20px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(47, 111, 106, 0.1);
}

.col-lg-8 .card-header {
  background: linear-gradient(135deg, rgba(47, 111, 106, 0.05), rgba(230, 138, 109, 0.08));
  border-bottom: 2px solid var(--secondary-color);
  border-radius: 20px 20px 0 0 !important;
  padding: 1.5rem;
}

.col-lg-8 .card-body {
  padding: 2rem;
}

.col-lg-8 .card-title {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.col-lg-8 .text-muted {
  color: var(--text-secondary) !important;
  font-size: 1rem;
  line-height: 1.6;
}

.col-lg-8 .list-unstyled li {
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(47, 111, 106, 0.1);
  transition: all 0.3s ease;
}

.col-lg-8 .list-unstyled li:hover {
  background: rgba(47, 111, 106, 0.02);
  padding-left: 1rem;
  border-radius: 8px;
}

.col-lg-8 .list-unstyled li:last-child {
  border-bottom: none;
}

.col-lg-8 .fas {
  width: 20px;
  text-align: center;
}

/* 響應式調整 */
@media (max-width: 768px) {
  .col-lg-8 .card {
    border-radius: 15px;
  }
  
  .col-lg-8 .card-header {
    border-radius: 15px 15px 0 0 !important;
    padding: 1.2rem;
  }
  
  .col-lg-8 .card-body {
    padding: 1.5rem;
  }
  
  .col-lg-8 .card-title {
    font-size: 1.6rem;
  }
}

/* 簡化的 Hero 區域樣式 */

.hero-title {
  color: var(--text-primary);  /* 深棕灰 */
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.hero-subtitle {
  color: var(--text-secondary);  /* 墨綠深色調 */
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.hero-description {
  color: var(--text-secondary);  /* 墨綠深色調 */
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 3rem;
}

/* 統計數據區域 */
.stats-section {
  background-color: var(--white);
  padding: 4rem 0;
}

.stat-number {
  color: var(--primary-color);  /* 墨綠色 */
  font-size: 3rem;
  font-weight: 800;
}

.stat-label {
  color: var(--text-secondary);  /* 墨綠深色調 */
  font-size: 1.1rem;
  font-weight: 600;
}

/* 使命區域 */
.mission-section {
  background-color: var(--background-color);
  padding: 6rem 0;
}

.section-title {
  color: var(--text-primary);  /* 深棕灰 */
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);  /* 墨綠深色調 */
  font-size: 1.2rem;
  text-align: center;
  margin-bottom: 3rem;
}

/* 特色功能區域 */
.features-section {
  background-color: var(--white);
  padding: 6rem 0;
}

/* 課程區域 */
.courses-section {
  background-color: var(--background-color);
  padding: 6rem 0;
}

/* 課程卡片 - 卡片底色米白，課程名稱條墨綠，日期用珊瑚橘 */
.course-card {
  background-color: var(--white);
  border-left: 5px solid var(--primary-color);  /* 墨綠邊條 */
}

.course-title {
  color: var(--text-primary);  /* 深棕灰 */
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* 課程資訊區域 */
.course-info {
  background-color: rgba(142, 191, 188, 0.05);
  border-radius: 10px;
  padding: 1rem;
  border: 1px solid rgba(142, 191, 188, 0.1);
}

.course-dates strong,
.course-participants strong {
  color: var(--text-primary);
  font-weight: 600;
  display: block;
}

.date-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.course-date-tag {
  background-color: var(--secondary-color);  /* 珊瑚橘 */
  color: var(--white);
  padding: 0.4rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
  margin: 0.2rem;
}

.participant-count {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.1rem;
}

/* 課程特色區域 */
.course-features {
  text-align: left;
  background-color: rgba(247, 241, 230, 0.3);
  border-radius: 10px;
  padding: 1rem;
}

.course-features p {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.course-features i {
  color: var(--accent-color);
  margin-right: 0.5rem;
  width: 16px;
}

/* 課程操作按鈕區域 */
.course-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.course-actions .btn {
  flex: 1;
  min-width: 120px;
  font-size: 0.9rem;
  padding: 0.6rem 1rem;
}

/* 學員見證區域 */
.testimonials-section {
  background-color: var(--background-color);
  padding: 6rem 0;
}

/* 聯絡我們區域 */
.contact-section {
  background-color: var(--white);
  padding: 6rem 0;
}

/* Footer / 側邊欄 - 墨綠底＋米白文字，搭配青藍連結 */
.footer {
  background-color: var(--primary-color) !important;  /* 墨綠底 */
  color: var(--white) !important;
  padding: 2rem 0 !important;
  margin-top: auto !important;  /* 使用 auto 讓 footer 貼底 */
  width: 100% !important;
  flex-shrink: 0 !important;  /* 防止 footer 被壓縮 */
  position: relative !important;  /* 覆蓋 absolute 定位 */
  bottom: auto !important;  /* 覆蓋 bottom: 0 */
  white-space: normal !important;  /* 覆蓋 nowrap */
  line-height: normal !important;  /* 覆蓋 60px */
}

.footer h5,
.footer h6 {
  color: var(--white);
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer a {
  color: var(--accent-color);  /* 青藍連結 */
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer a:hover {
  color: var(--white);
  text-decoration: none;
}

.footer .social-links a {
  display: inline-block;
  margin-right: 1rem;
  transition: transform 0.3s ease;
}

.footer .social-links a:hover {
  transform: translateY(-2px);
}

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

.footer .list-unstyled li {
  margin-bottom: 0.5rem;
}

.footer .contact-info p {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: flex-start;
}

.footer .contact-info i {
  margin-right: 0.5rem;
  margin-top: 0.2rem;
  width: 16px;
  text-align: center;
}

.footer .divider {
  border: none;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.2);
  margin: 2rem 0 1rem;
}

.footer .text-white-50 {
  color: rgba(255, 255, 255, 0.6) !important;
}

/* 按鈕樣式調整 */
.btn-primary {
  background-color: var(--primary-color);  /* 墨綠按鈕 */
  color: var(--white);
  border: none;
}

.btn-primary:hover {
  background-color: var(--primary-hover);  /* 墨綠 → 青藍 */
  color: var(--white);
}

.btn-secondary {
  background-color: var(--secondary-color);  /* 珊瑚橘報名按鈕 */
  color: var(--white);
  border: none;
}

.btn-secondary:hover {
  background-color: var(--secondary-hover);  /* 珊瑚橘 → 淺亮橘 */
  color: var(--white);
}

/* 輪廓按鈕 - 用於查看詳情 */
.btn-outline-primary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

/* 點綴色按鈕 - 用於查看詳情和次要按鈕 */
.btn-accent {
  background-color: var(--accent-color);  /* 青藍色 - 點綴色 */
  color: var(--white);
  border: none;
}

.btn-accent:hover {
  background-color: var(--primary-color);  /* 青藍 → 墨綠 */
  color: var(--white);
}

/* 資訊標籤 - 青藍色 */
.info-tag {
  background-color: var(--accent-color);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

/* 分隔線 - 青藍色 */
.divider {
  height: 2px;
  background-color: var(--accent-color);
  border: none;
  margin: 2rem 0;
}

/* 基本容器樣式 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* 覆蓋 Bootstrap 預設顏色 */
.text-primary {
  color: var(--primary-color) !important;  /* 墨綠色 */
}

.text-secondary {
  color: var(--text-secondary) !important;  /* 墨綠深色調 */
}

.text-success {
  color: var(--accent-color) !important;  /* 青藍色 */
}

.text-info {
  color: var(--accent-color) !important;  /* 青藍色 */
}

.text-warning {
  color: var(--secondary-color) !important;  /* 珊瑚橘色 */
}

.text-danger {
  color: var(--secondary-color) !important;  /* 珊瑚橘色 */
}

.text-muted {
  color: var(--text-secondary) !important;  /* 墨綠深色調 */
}

.text-white {
  color: var(--white) !important;
}

.text-white-50 {
  color: rgba(255, 255, 255, 0.5) !important;
}

/* 覆蓋 Bootstrap 按鈕顏色 */
.btn-primary {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: var(--white) !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--primary-hover) !important;
  border-color: var(--primary-hover) !important;
  color: var(--white) !important;
}

.btn-secondary {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  color: var(--white) !important;
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
  background-color: var(--secondary-hover) !important;
  border-color: var(--secondary-hover) !important;
  color: var(--white) !important;
}

.btn-success {
  background-color: var(--accent-color) !important;
  border-color: var(--accent-color) !important;
  color: var(--white) !important;
}

.btn-success:hover,
.btn-success:focus,
.btn-success:active {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: var(--white) !important;
}

.btn-info {
  background-color: var(--accent-color) !important;
  border-color: var(--accent-color) !important;
  color: var(--white) !important;
}

.btn-info:hover,
.btn-info:focus,
.btn-info:active {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: var(--white) !important;
}

.btn-warning {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  color: var(--white) !important;
}

.btn-warning:hover,
.btn-warning:focus,
.btn-warning:active {
  background-color: var(--secondary-hover) !important;
  border-color: var(--secondary-hover) !important;
  color: var(--white) !important;
}

.btn-danger {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  color: var(--white) !important;
}

.btn-danger:hover,
.btn-danger:focus,
.btn-danger:active {
  background-color: var(--secondary-hover) !important;
  border-color: var(--secondary-hover) !important;
  color: var(--white) !important;
}

/* 覆蓋 Bootstrap 連結顏色 */
a {
  color: var(--primary-color) !important;
}

a:hover {
  color: var(--accent-color) !important;
}

/* 覆蓋 Bootstrap 焦點樣式 */
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(47, 111, 106, 0.25) !important;
}

/* 響應式設計 */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .container {
    padding: 0 0.5rem;
  }
  
  /* 課程卡片響應式 */
  .course-actions {
    flex-direction: column;
  }
  
  .course-actions .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .date-list {
    flex-direction: column;
    align-items: center;
  }
  
  .course-date-tag {
    display: block;
    text-align: center;
    margin: 0.2rem 0;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .course-title {
    font-size: 1.3rem;
  }
  
  .course-info {
    padding: 0.8rem;
  }
  
  .course-features {
    padding: 0.8rem;
  }
  
  /* Footer 響應式 */
  .footer {
    padding: 3rem 0 1.5rem;
    margin-top: auto;  /* 保持 auto 讓 footer 貼底 */
  }
  
  .footer .social-links a {
    margin-right: 0.5rem;
    font-size: 1.5rem;
  }
  
  .footer .contact-info p {
    font-size: 0.9rem;
  }
  
  /* Enroll 頁面響應式 */
  .enroll-header {
    padding: 2rem 1rem;
    margin-bottom: 1.5rem;
  }
  
  .enroll-title {
    font-size: 2rem;
  }
  
  .enroll-subtitle {
    font-size: 1rem;
  }
  
  /* 課程標題響應式 */
  .course-title {
    font-size: 1.5rem;
  }
  
  .course-title-section {
    padding: 1rem;
  }
  
  .course-price {
    padding: 0.75rem;
    margin-top: 1rem;
  }
  
  .price-amount {
    font-size: 1.1rem;
  }
  
  /* 優惠碼響應式 */
  .final-price {
    font-size: 1.2rem;
  }
  
  .discount-input-section {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
  }
  
  .discount-input-section .form-control {
    font-size: 0.75rem;
    padding: 0.4rem 0.6rem;
  }
  
  .discount-input-section .form-label {
    font-size: 0.75rem;
  }
  
  /* 課程首頁 Hero 響應式 */
  .course-hero-section {
    padding: 6rem 0;
    min-height: 60vh;
  }
  
  .course-hero-main {
    font-size: 2.8rem;
    letter-spacing: 1px;
  }
  
  .course-hero-sub {
    font-size: 1.4rem;
    letter-spacing: 0.5px;
  }
  
  .course-hero-description {
    font-size: 1.1rem;
    max-width: 100%;
  }
  
  /* 一頁式廣告響應式 */
  .swing-intro-section {
    padding: 4rem 0;
    margin: 2rem 0;
  }
  
  .intro-content {
    padding-right: 0;
    margin-bottom: 3rem;
  }
  
  .intro-title {
    font-size: 2.5rem;
    text-align: center;
  }
  
  .intro-title .highlight {
    font-size: 2rem;
  }
  
  .intro-title .brand-name {
    font-size: 3rem;
  }
  
  .intro-description {
    font-size: 1.1rem;
    text-align: center;
  }
  
  .feature-item {
    padding: 0.8rem;
    margin-bottom: 1rem;
  }
  
  .feature-item span {
    font-size: 1rem;
  }
  
  .intro-cta {
    text-align: center;
  }
  
  .intro-cta .btn {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
  }
  
  .intro-visual {
    height: 300px;
  }
  
  .dance-showcase {
    width: 250px;
    height: 250px;
  }
  
  .dance-icon-large {
    font-size: 6rem;
  }
  
  .note {
    font-size: 2rem;
  }
  
}