/* 傳家寶誌網站 - 主要樣式表
   ========================================================================== */

/*
 * 目錄:
 * 1. 基礎設定
 * 2. 通用組件
 * 3. 佈局與容器
 * 4. 導航樣式
 * 5. 首頁樣式
 * 6. 頁尾樣式
 * 7. 響應式設計
 */


/* 1. 基礎設定
   ========================================================================== */

:root {
  /* 主要色彩 */
  --color-primary: #A87C4F;       /* 溫暖棕 */
  --color-secondary: #E4D5C3;     /* 淺米色 */
  --color-accent: #D05353;        /* 暖紅色 */
  
  /* 背景色彩 */
  --color-bg-primary: #FFFFFF;    /* 純白 */
  --color-bg-secondary: #F9F5F0;  /* 米白 */
  --color-bg-dark: #383838;       /* 深灰 */
  
  /* 文字色彩 */
  --color-text-primary: #333333;  /* 近黑 */
  --color-text-secondary: #666666;/* 中灰 */
  --color-text-light: #FFFFFF;    /* 白色 */
  
  /* 功能色彩 */
  --color-success: #4A8072;       /* 深綠 */
  --color-info: #4477AA;          /* 藍色 */
  --color-warning: #F2994A;       /* 橙色 */
  
  /* 字體大小 */
  --font-size-xxl: 36px;          /* 大標題 */
  --font-size-xl: 28px;           /* 中標題 */
  --font-size-lg: 22px;           /* 小標題 */
  --font-size-md: 16px;           /* 正文 */
  --font-size-sm: 14px;           /* 小文字 */
  --font-size-xs: 12px;           /* 微文字 */
  
  /* 字重 */
  --font-weight-bold: 700;
  --font-weight-semibold: 600;
  --font-weight-normal: 400;
  --font-weight-light: 300;
  
  /* 間距 */
  --spacing-xxl: 80px;
  --spacing-xl: 60px;
  --spacing-lg: 40px;
  --spacing-md: 24px;
  --spacing-sm: 16px;
  --spacing-xs: 8px;
  
  /* 邊框 */
  --border-radius: 8px;
  --border-radius-sm: 4px;
  
  /* 陰影 */
  --shadow-sm: 0px 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0px 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0px 8px 24px rgba(0, 0, 0, 0.12);
  
  /* 容器寬度 */
  --container-max-width: 1200px;
  
  /* 動畫時間 */
  --transition-fast: 0.2s;
  --transition-normal: 0.3s;
  --transition-slow: 0.5s;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans TC', 'Open Sans', sans-serif;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif TC', 'Playfair Display', serif;
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-xxl);
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  transition: opacity var(--transition-normal) ease;
}

/* 圖片延遲載入相關樣式 */
img[data-src] {
  opacity: 0;
  transition: opacity var(--transition-normal) ease;
}

img.loaded {
  opacity: 1;
}

.lazy-load {
  opacity: 0.3;
  transition: opacity 0.5s ease;
  position: relative;
}

.lazy-load.loaded {
  opacity: 1;
}

.lazy-load.load-error {
  opacity: 0.5;
  filter: grayscale(0.5);
  position: relative;
}

/* 圖片載入中的樣式 */
.lazy-load:not(.loaded):not(.load-error)::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  border: 3px solid rgba(168, 124, 79, 0.2);
  border-top-color: #A87C4F;
  border-radius: 50%;
  animation: spinner 1s linear infinite;
}

@keyframes spinner {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* 圖片懶加載時，保持容器的比例 */
.img-aspect-ratio {
  position: relative;
  overflow: hidden;
}

.img-aspect-ratio.ratio-4-3 {
  padding-top: 75%; /* 4:3 比例 */
}

.img-aspect-ratio.ratio-1-1 {
  padding-top: 100%; /* 1:1 比例 (正方形) */
}

.img-aspect-ratio.ratio-16-9 {
  padding-top: 56.25%; /* 16:9 比例 */
}

.img-aspect-ratio img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 圖片載入錯誤樣式 */
.load-error::before {
  content: "圖片載入失敗";
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(208, 83, 83, 0.7);
  color: white;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 1;
}

/* 加強各種圖片類型的懶加載樣式 */
.value-title-icon.lazy-load {
  min-height: 60px;
  min-width: 60px;
}

.img-circle.lazy-load {
  border-radius: 50%;
}

/* 優化logo圖片*/
.logo {
  max-width: 80px;
  padding: 8px 0;
  display: flex;
  align-items: center;
}

.logo img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style-position: inside;
  margin-bottom: var(--spacing-md);
}

/* 導航列相關樣式重置 */
.nav-list, 
.nav-list ul, 
.dropdown {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-list li,
.dropdown li {
  list-style-type: none;
}

/* 圖片相關共通樣式 */
.img-responsive {
  display: block;
  max-width: 100%;
  height: auto;
}

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

.img-contain {
  object-fit: contain;
  width: 100%;
  height: 100%;
}

.img-shadow {
  box-shadow: var(--shadow-md);
}

.img-circle {
  border-radius: 50%;
}

.img-rounded {
  border-radius: var(--border-radius);
}

.thumbnail {
  padding: 5px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius-sm);
  transition: transform var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
}

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

/* 圖片卡片懸停效果 */
.case-item:hover .img-cover,
.team-member:hover .img-cover,
.testimonial-item:hover .img-cover {
  transform: scale(1.05);
}

/* 圖片加載錯誤提示 */
.img-error {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 100px;
  background-color: #f5f5f5;
  color: #999;
  font-size: 12px;
  text-align: center;
  padding: 10px;
}

/* 2. 通用組件
   ========================================================================== */

/* 按鈕 */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: var(--font-size-md);
  line-height: 1.5;
  text-decoration: none;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-light);
  border: none;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: #ba4848;
  color: var(--color-text-light);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: rgba(168, 124, 79, 0.1);
  color: var(--color-primary);
}

/* 標題 */
.section-title {
  margin-bottom: 15px;
  font-family: 'Noto Serif TC', serif;
  color: #333;
  font-weight: 700;
  position: relative;
}

.section-title:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-primary);
}

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

.section-subtitle {
  color: #666;
  font-size: 18px;
  margin-bottom: 30px;
}

.mb-5 {
  margin-bottom: 50px;
}

/* 確保全局對齊一致性 */
section {
  position: relative;
  overflow: hidden;
}

.section-padding {
  padding: 80px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .section-subtitle {
    font-size: 16px;
  }
}

/* 卡片 */
.card {
  background-color: var(--color-bg-primary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* 連結樣式 */
.link-more {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  transition: all 0.3s ease;
}

.link-more:after {
  content: '→';
  margin-left: var(--spacing-xs);
  transition: transform 0.3s ease;
}

.link-more:hover {
  color: var(--color-accent);
}

.link-more:hover:after {
  transform: translateX(5px);
}

/* 文字對齊 */
.text-right {
  text-align: right;
}

/* 背景變化 */
.bg-light {
  background-color: var(--color-bg-secondary);
}

.bg-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
}

/* 3. 佈局與容器
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col {
  flex: 1;
  padding: 0 15px;
}

/* 4. 導航樣式
   ========================================================================== */

/* 導航欄樣式 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  padding: 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  max-width: 100px;
  padding: 8px 0;
  display: flex;
  align-items: center;
}

.logo img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 導航選單重置 */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list li {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  display: block;
  padding: 25px 15px;
  color: #333;
  font-weight: 500;
  text-decoration: none;
  font-size: 16px;
  transition: color 0.3s;
}

.nav-list a:hover {
  color: #A87C4F;
}

.nav-list li.active a {
  color: #A87C4F;
  border-bottom: 3px solid #A87C4F;
}

/* 下拉選單樣式 */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 240px;
  background-color: white;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  padding: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 100;
  border-top: 1px solid #eee;
  list-style: none;
}

.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown li {
  margin: 0;
  padding: 0;
  width: 100%;
  border-bottom: 1px solid #f5f5f5;
  list-style: none;
}

.dropdown li:last-child {
  border-bottom: none;
}

.dropdown a {
  display: block;
  padding: 12px 20px;
  font-size: 15px;
  color: #555;
  font-weight: 400;
  text-align: left;
  border-bottom: none;
}

.dropdown a:hover {
  background-color: rgba(168, 124, 79, 0.05);
  color: #A87C4F;
}

/* 預約服務按鈕 */
.header-cta {
  margin-left: 15px;
  padding: 10px 20px;
  white-space: nowrap;
  background-color: #C45B54;
  color: white;
  border-radius: 4px;
  font-weight: 500;
}

.header-cta:hover {
  background-color: #B24C46;
  color: white;
}

/* 手機選單按鈕 */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 110;
  position: relative;
}

.hamburger {
  display: block;
  position: relative;
  width: 24px;
  height: 2px;
  background-color: #333;
  transition: all 0.3s ease;
}

.hamburger:before, 
.hamburger:after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #333;
  transition: all 0.3s ease;
}

.hamburger:before {
  top: -8px;
}

.hamburger:after {
  bottom: -8px;
}

.hamburger.active {
  background-color: transparent;
}

.hamburger.active:before {
  top: 0;
  transform: rotate(45deg);
}

.hamburger.active:after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* 5. 首頁樣式
   ========================================================================== */

/* 主視覺區 */
.hero {
  height: 75vh;
  min-height: 600px;
  background-image: url('https://images.unsplash.com/photo-1501854140801-50d01698950b?q=80');
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  padding-top: 80px; /* 為導航留出空間 */
}

.hero:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
}

.hero-content {
  position: relative;
  max-width: 650px;
  padding: var(--spacing-lg);
  margin-left: 10%;
  z-index: 1;
}

.hero h1 {
  color: var(--color-text-light);
  font-size: 42px;
  line-height: 1.4;
  margin-bottom: var(--spacing-md);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero p {
  color: var(--color-text-light);
  font-size: 22px;
  margin-bottom: var(--spacing-lg);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 核心價值區塊 */
.value-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin: 0 -15px;
}

.value-card {
  flex: 1;
  min-width: 300px;
  background-color: var(--color-bg-primary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  margin: 0 15px 30px;
  transition: transform 0.3s ease;
}

.value-card:hover {
  transform: translateY(-10px);
}

.value-card .icon {
  font-size: 36px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  transition: all 0.3s ease;
}

.value-card .icon-large {
  width: 180px;
  height: auto;
  margin: 0 auto 15px;
  display: block;
}

.value-card:hover .icon-large {
  transform: scale(1.15);
}

.value-card h3 {
  margin-bottom: var(--spacing-sm);
}

.value-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

/* 服務方案區塊 */
.service-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0 -15px;
}

.service-card {
  flex: 1;
  min-width: 300px;
  max-width: 350px;
  background-color: var(--color-bg-primary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  margin: 0 15px 30px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-card.featured {
  border: 2px solid var(--color-accent);
  transform: scale(1.05);
}

.service-card.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.service-header {
  padding: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  text-align: center;
}

.service-header h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.service-type {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.price {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.service-body {
  padding: var(--spacing-md);
  flex-grow: 1;
}

.suitable-for {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-secondary);
}

.suitable-for h4 {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.service-footer {
  padding: var(--spacing-md);
  text-align: center;
  background-color: var(--color-bg-primary);
}

.service-footer .btn {
  width: 100%;
}

/* 成功案例區塊 */
.cases-container {
  margin-bottom: var(--spacing-lg);
}

.case-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  background-color: var(--color-bg-primary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.case-image,
.case-content {
  flex: 1;
  min-width: 300px;
}

.case-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.case-content {
  padding: var(--spacing-lg);
}

.case-content h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.case-content p {
  margin-bottom: var(--spacing-md);
}

/* 客戶見證區塊 */
.testimonials-slider {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
}

.testimonial-item {
  flex: 1;
  min-width: 300px;
  max-width: 350px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--color-bg-primary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

.testimonial-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
  border: 3px solid var(--color-secondary);
}

.testimonial-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.testimonial-content blockquote {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.testimonial-content blockquote:before,
.testimonial-content blockquote:after {
  content: '"';
  font-size: 24px;
  color: var(--color-primary);
  font-family: 'Playfair Display', serif;
}

.testimonial-content cite {
  font-style: normal;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

/* 合作夥伴區塊 */
.partners-slider {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
}

.partner-item {
  flex: 0 0 auto;
  max-width: 180px;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.partner-item:hover {
  filter: grayscale(0);
  opacity: 1;
}

.partner-item img {
  max-width: 100%;
  height: auto;
}

/* 頁尾CTA */
.cta-section {
  background-image: url('https://images.unsplash.com/photo-1461324590498-c246f1c25475?q=80');
  background-size: cover;
  background-position: center;
  padding: var(--spacing-xxl) 0;
  position: relative;
  text-align: center;
  color: var(--color-text-light);
}

.cta-section:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(56, 56, 56, 0.85);
}

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

.cta-section h2 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  font-size: 36px;
}

.cta-section p {
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

/* 6. 頁尾樣式
   ========================================================================== */

.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding-top: var(--spacing-xl);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.footer-info {
  flex: 0 0 100%;
  max-width: 350px;
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  max-width: 180px;
  margin-bottom: 20px;
}

.footer-logo img {
  max-width: 100%;
  height: auto;
  display: block;
  margin-bottom: 10px;
}

.footer-info p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-md);
  font-size: 15px;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-text-light);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  flex: 1;
  margin-right: var(--spacing-lg);
  min-width: 280px;
}

.footer-links-column {
  flex: 1;
  min-width: 140px;
  margin-bottom: var(--spacing-lg);
}

.footer-links-column h3 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.footer-links-column h3:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--color-primary);
}

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

.footer-links-column li {
  margin-bottom: var(--spacing-xs);
}

.footer-links-column a {
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
}

.footer-links-column a:hover {
  color: var(--color-primary);
  padding-left: var(--spacing-xs);
}

.footer-contact {
  flex: 0 0 100%;
  max-width: 350px;
  margin-bottom: var(--spacing-lg);
}

.footer-contact h3 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.footer-contact h3:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--color-primary);
}

.footer-contact p {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-xs);
  color: rgba(255, 255, 255, 0.8);
}

.footer-contact p i {
  color: var(--color-primary);
  margin-right: var(--spacing-sm);
  width: 16px;
}

.newsletter-form {
  margin-top: var(--spacing-md);
}

.newsletter-form label {
  display: block;
  margin-bottom: var(--spacing-xs);
}

.form-group {
  display: flex;
}

.form-group input {
  flex: 1;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-text-light);
  border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.form-group button {
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border: none;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-group button:hover {
  background-color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md) 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* 7. 響應式設計
   ========================================================================== */

@media (max-width: 1199px) {
  :root {
    --font-size-xxl: 32px;
    --font-size-xl: 26px;
    --font-size-lg: 20px;
    --spacing-xxl: 60px;
    --spacing-xl: 40px;
  }
  
  .hero h1 {
    font-size: 36px;
  }
  
  .hero p {
    font-size: 18px;
  }
  
  .hero-content {
    margin-left: 5%;
  }
  
  .value-card,
  .service-card,
  .testimonial-item {
    min-width: 280px;
  }
}

@media (max-width: 991px) {
  .case-item {
    flex-direction: column;
  }
  
  .case-item:nth-child(even) {
    flex-direction: column;
  }
  
  .case-image,
  .case-content {
    flex: 0 0 100%;
  }
  
  .case-image img {
    height: 300px;
  }
  
  .footer-top {
    flex-direction: column;
  }
  
  .footer-info,
  .footer-links,
  .footer-contact {
    max-width: 100%;
  }
}

@media (max-width: 767px) {
  :root {
    --font-size-xxl: 28px;
    --font-size-xl: 24px;
    --font-size-lg: 20px;
    --spacing-xxl: 40px;
    --spacing-xl: 30px;
    --spacing-lg: 20px;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-list {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    flex-direction: column;
    background-color: white;
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow-y: auto;
    padding: 0;
    justify-content: flex-start;
    z-index: 101;
  }
  
  .nav-list.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list li {
    margin: 0;
    width: 100%;
    border-bottom: 1px solid #f0f0f0;
  }
  
  .nav-list li.active {
    background-color: rgba(168, 124, 79, 0.05);
  }
  
  .nav-list li.active > a {
    border-bottom: none;
    border-left: 3px solid #A87C4F;
  }
  
  .nav-list a {
    padding: 15px 20px;
    font-size: 16px;
    text-align: left;
    display: block;
    width: 100%;
  }
  
  /* Styling for body when menu is open */
  body.menu-open {
    overflow: hidden;
  }
  
  .dropdown {
    position: static;
    width: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    display: none;
    padding: 0;
    border-radius: 0;
    background-color: #f9f9f9;
    border-top: none;
  }
  
  .has-dropdown.active .dropdown {
    display: block;
  }
  
  .hero-content {
    margin-left: 0;
    text-align: center;
    padding: var(--spacing-md);
  }
  
  .hero h1 {
    font-size: 32px;
  }
  
  .hero p {
    font-size: 16px;
  }
  
  .value-cards,
  .service-cards,
  .testimonials-slider {
    flex-direction: column;
    align-items: center;
  }
  
  .value-card,
  .service-card,
  .testimonial-item {
    width: 100%;
    max-width: 350px;
  }
  
  .service-card.featured {
    transform: none;
  }
  
  .service-card.featured:hover {
    transform: translateY(-10px);
  }
  
  .partner-item {
    max-width: 120px;
  }
}

/* 8. 特效與動畫
   ========================================================================== */

/* 平滑滾動 */
.smooth-scroll {
  scroll-behavior: smooth;
}

/* 淡入淡出效果 */
.fade-in {
  animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 滾動顯示效果 */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 12. 響應式設計
   ========================================================================== */

@media screen and (max-width: 1200px) {
  :root {
    --container-width-xl: 94%;
  }
}

@media screen and (max-width: 992px) {
  :root {
    --container-width-lg: 90%;
    --font-size-xl: 2.75rem;
    --font-size-lg: 2rem;
    --font-size-md: 1.5rem;
    --spacing-xl: 4rem;
    --spacing-lg: 3rem;
  }
  
  .nav-list a {
    padding: 22px 10px;
    font-size: 15px;
  }
}

@media screen and (max-width: 767px) {
  :root {
    --container-width-md: 92%;
    --font-size-xl: 2.25rem;
    --font-size-lg: 1.75rem;
    --font-size-md: 1.35rem;
    --spacing-xl: 3rem;
    --spacing-lg: 2.5rem;
  }
  
  .site-header .container {
    height: 60px;
  }
  
  .logo {
    max-width: 130px;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .main-nav {
    position: relative;
  }
  
  .nav-list {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    flex-direction: column;
    background-color: white;
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow-y: auto;
    padding: 0;
    justify-content: flex-start;
    z-index: 101;
  }
  
  .nav-list.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list li {
    margin: 0;
    width: 100%;
    border-bottom: 1px solid #f0f0f0;
  }
  
  .nav-list li.active {
    background-color: rgba(168, 124, 79, 0.05);
  }
  
  .nav-list li.active > a {
    border-bottom: none;
    border-left: 3px solid #A87C4F;
  }
  
  .nav-list a {
    padding: 15px 20px;
    font-size: 16px;
    text-align: left;
    display: block;
    width: 100%;
  }
  
  .dropdown {
    position: static;
    width: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    display: none;
    padding: 0;
    border-radius: 0;
    background-color: #f9f9f9;
    border-top: none;
  }
  
  .has-dropdown.active .dropdown {
    display: block;
  }
  
  .dropdown li {
    border-bottom: 1px solid #f0f0f0;
  }
  
  .dropdown li:last-child {
    border-bottom: none;
  }
  
  .dropdown a {
    padding-left: 40px;
    font-size: 15px;
  }
  
  .has-dropdown > a:after {
    display: none;
  }
  
  .has-dropdown > a:before {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 8px;
    float: right;
    transition: transform 0.3s;
  }
  
  .has-dropdown.active > a:before {
    transform: rotate(180deg);
  }
  
  .header-cta {
    display: none;
  }
}

/* 導航欄滾動效果 */
.site-header.scrolled {
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.15);
  background-color: rgba(255, 255, 255, 0.98);
}