/**
 * Dr. Warmttn 前台樣式
 * 暖橘醫療風 Soft UI 設計
 */

/* ========================================
   Utilities
   ======================================== */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ========================================
   CSS Variables - Design Tokens
   ======================================== */
:root {
  /* Primary Colors - 暖橘（專業親切的問診醫療） */
  --primary: #e8865a;
  --primary-light: #f0a07a;
  --primary-dark: #d06a3a;
  --primary-soft: rgba(232, 134, 90, 0.08);
  --primary-gradient: linear-gradient(
    135deg,
    #f0a07a 0%,
    #e8865a 50%,
    #d06a3a 100%
  );

  /* Secondary Colors - 藍綠（專業輕鬆治癒） */
  --secondary: #6abfb5;
  --secondary-light: #8ad3cb;
  --secondary-dark: #4da89e;

  /* Accent Colors - 深藍綠（與暖橘形成對比） */
  --accent: #3d8b80;
  --accent-light: #5aada1;
  --accent-dark: #2a6b62;

  /* Neutral Colors */
  --text-primary: #3d3d3d;
  --text-secondary: #5a5a5a;
  --text-muted: #8a8a8a;
  --text-light: #b5b5b5;

  /* Background Colors - 暖白色系 */
  --bg-white: #ffffff;
  --bg-cream: #fdf9f7;
  --bg-light: #f7f2ef;
  --bg-soft: #ede5df;
  --bg-gradient: linear-gradient(180deg, #fdf9f7 0%, #ede5df 100%);

  /* Shadows - 暖色調陰影 */
  --shadow-sm: 0 2px 8px rgba(232, 134, 90, 0.06);
  --shadow-md: 0 4px 20px rgba(232, 134, 90, 0.1);
  --shadow-lg: 0 8px 40px rgba(232, 134, 90, 0.14);
  --shadow-soft:
    6px 6px 20px rgba(232, 134, 90, 0.08),
    -6px -6px 20px rgba(255, 255, 255, 0.9);
  --shadow-hover: 0 12px 48px rgba(232, 134, 90, 0.18);

  /* Border */
  --border-color: #e0d5cc;
  --border-light: #ede5df;

  /* Radius - 俐落方正 */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Spacing */
  --section-padding: 100px;
  --section-padding-mobile: 60px;
  --container-padding: 24px;
  --container-padding-mobile: 16px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Font Families */
  --font-display: "Noto Serif TC", "Noto Sans TC", serif;
  --font-body: "Noto Sans TC", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-number: "Inter", "Noto Sans TC", sans-serif;

  /* Font Sizes - 響應式基準 */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.75rem + 0.3125vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 0.875rem + 0.3125vw, 1rem);
  --text-lg: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-xl: clamp(1.125rem, 1rem + 0.625vw, 1.375rem);
  --text-2xl: clamp(1.375rem, 1.2rem + 0.875vw, 1.75rem);
  --text-3xl: clamp(1.75rem, 1.5rem + 1.25vw, 2.25rem);
  --text-4xl: clamp(2rem, 1.6rem + 2vw, 3rem);

  /* Header Height */
  --header-height: 80px;
  --header-height-mobile: 64px;
}

/* ========================================
   Base Styles
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--text-primary);
  background: var(--bg-cream);
  letter-spacing: 0.01em;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

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

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container-narrow {
  max-width: 960px;
}

/* ========================================
   Typography - 溫暖風格字體系統
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.35;
  color: var(--secondary-dark);
  margin-bottom: 0.6em;
  letter-spacing: -0.01em;
}

h1 {
  font-size: var(--text-4xl);
}
h2 {
  font-size: var(--text-3xl);
}
h3 {
  font-size: var(--text-2xl);
}
h4 {
  font-size: var(--text-xl);
}
h5 {
  font-size: var(--text-lg);
}
h6 {
  font-size: var(--text-base);
}

p {
  margin-bottom: 1.25rem;
  font-size: var(--text-base);
}

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

.text-primary {
  color: var(--primary) !important;
}
.text-secondary {
  color: var(--secondary) !important;
}
.text-muted {
  color: var(--text-muted) !important;
}

/* 數字專用字型 */
.num,
.number,
[data-number] {
  font-family: var(--font-number);
  font-feature-settings: "tnum";
}

/* ========================================
   Buttons - 精緻按鈕系統
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(232, 134, 90, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  background: linear-gradient(
    135deg,
    var(--secondary-light) 0%,
    var(--secondary) 50%,
    var(--secondary-dark) 100%
  );
  color: #fff;
  box-shadow: 0 4px 20px rgba(106, 191, 181, 0.3);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(106, 191, 181, 0.4);
  color: #fff;
}

.btn-accent {
  background: linear-gradient(
    135deg,
    var(--accent-light) 0%,
    var(--accent) 50%,
    var(--accent-dark) 100%
  );
  color: #fff;
  box-shadow: 0 4px 20px rgba(61, 139, 128, 0.3);
}

.btn-accent:hover {
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  box-shadow: none;
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(232, 134, 90, 0.25);
}

.btn-ghost {
  background: var(--primary-soft);
  color: var(--primary);
  border: none;
}

.btn-ghost:hover {
  background: rgba(232, 134, 90, 0.12);
}

.btn-line {
  background: linear-gradient(135deg, #06c755 0%, #04a847 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(6, 199, 85, 0.3);
}

.btn-line:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(6, 199, 85, 0.4);
  color: #fff;
}

/* Button Sizes */
.btn-lg {
  padding: 18px 44px;
  font-size: var(--text-base);
}

.btn-sm {
  padding: 10px 24px;
  font-size: var(--text-xs);
}

.btn-xs {
  padding: 6px 16px;
  font-size: var(--text-xs);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ========================================
   Categories / Filter Pills - 仿生 APP 風格篩選標籤
   ======================================== */
.categories-nav {
  padding: 24px 0;
  background: var(--bg-cream);
  border-bottom: 1px solid var(--border-light);
}

.category-pills {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 2px 8px;
  mask-image: linear-gradient(90deg, transparent 0, #000 24px, #000 calc(100% - 24px), transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 24px, #000 calc(100% - 24px), transparent 100%);
}

.category-pills::-webkit-scrollbar {
  display: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: var(--bg-white);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.pill:hover {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pill.active {
  background: var(--primary-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(44, 62, 80, 0.2);
}

.pill.active:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(44, 62, 80, 0.25);
}

/* 帶圖標的 pill */
.pill i {
  margin-right: 6px;
  font-size: 1rem;
}

@media (max-width: 768px) {
  .categories-nav {
    padding: 16px 0;
  }

  .pill {
    padding: 8px 16px;
    font-size: 0.8125rem;
  }
}

/* ========================================
   Flip Cards (Treatments)
   ======================================== */
.treatment-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding: 1rem 0;
}

.treatment-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: inherit;
  padding: 28px 16px 22px;
  border-radius: 20px;
  background: transparent;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.treatment-card:hover {
  transform: translateY(-6px);
}

.treatment-card__image {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: linear-gradient(145deg, #fdf6f2, #fceee6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  border: 2px solid rgba(232, 134, 90, 0.12);
  margin-bottom: 16px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.treatment-card:hover .treatment-card__image {
  border-color: var(--primary-light);
  box-shadow: 0 6px 20px rgba(232, 134, 90, 0.1);
}

.treatment-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.treatment-card:hover .treatment-card__image img {
  transform: scale(1.08);
}

.treatment-card__placeholder {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #fdf6f2, #fceee6);
  border: 2px solid rgba(232, 134, 90, 0.12);
  margin-bottom: 16px;
}

.treatment-card__placeholder i {
  font-size: 2rem;
  color: var(--primary-light);
}

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

.treatment-card__title h2 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
  transition: color 0.3s;
  line-height: 1.5;
}

.treatment-card:hover .treatment-card__title h2 {
  color: var(--primary);
}

@media (max-width: 1024px) {
  .treatment-card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
}

@media (max-width: 768px) {
  .treatment-card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .treatment-card {
    padding: 22px 12px 18px;
    border-radius: 16px;
  }

  .treatment-card__image {
    width: 90px;
    height: 90px;
    padding: 18px;
    margin-bottom: 12px;
  }

  .treatment-card__title h2 {
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  .treatment-card-grid {
    gap: 14px;
  }

  .treatment-card__image {
    width: 80px;
    height: 80px;
    padding: 16px;
  }
}

.treatments-cta {
  background: var(--primary-gradient);
  padding: 4rem 0;
}

.treatments-cta__inner {
  text-align: center;
  color: #fff;
}

.treatments-cta__inner h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 8px;
  color: #fff;
}

.treatments-cta__inner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.0625rem;
  margin-bottom: 24px;
}

.treatments-cta__inner .btn-line {
  background: #06C755;
  color: #fff;
  border: none;
  padding: 12px 32px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.treatments-cta__inner .btn-line:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(6, 199, 85, 0.3);
}

/* ========================================
   Header
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.site-header > .container {
  max-width: none;
  padding: 0 40px;
}

@media (max-width: 768px) {
  .site-header > .container {
    padding: 0 12px;
  }
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.site-marquee {
  background: var(--primary-dark);
  overflow: hidden;
  white-space: nowrap;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: 999;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 30s linear infinite;
}

.marquee-content {
  display: flex;
  flex-shrink: 0;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 32px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.03em;
}

.marquee-item i {
  font-size: 0.5rem;
  color: #fff;
  opacity: 0.5;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.site-marquee:hover .marquee-track {
  animation-play-state: paused;
}

@media (max-width: 1024px) {
  .marquee-item {
    padding: 7px 28px;
    font-size: 0.8rem;
  }
  .marquee-track {
    animation-duration: 25s;
  }
}

@media (max-width: 768px) {
  .site-marquee {
    top: var(--header-height-mobile);
  }
  .site-main {
    padding-top: calc(var(--header-height-mobile) + 30px);
  }
  .marquee-item {
    padding: 5px 20px;
    font-size: 0.7rem;
    letter-spacing: 0;
  }
  .marquee-track {
    animation-duration: 20s;
  }
  .marquee-item i {
    font-size: 0.4rem;
  }
}

@media (max-width: 480px) {
  .marquee-item {
    padding: 5px 16px;
    font-size: 0.65rem;
  }
  .marquee-track {
    animation-duration: 16s;
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: auto;
}

.site-logo img {
  height: 44px;
}

.site-logo .logo-text {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
}

/* Navigation */
.main-nav {
  display: flex;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transform: scaleX(0);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link-cta {
  color: var(--text-secondary);
}

.nav-link i.bi-chevron-down {
  font-size: 0.65rem;
  margin-left: 4px;
  transition: transform var(--transition-fast);
  opacity: 0.7;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.06);
  vertical-align: middle;
}

.nav-item:hover .nav-link i.bi-chevron-down {
  transform: rotate(180deg);
  opacity: 1;
  background: var(--primary-soft);
  color: var(--primary);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 200px;
  padding: 12px 0;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
  list-style: none;
}

.dropdown-menu.dropdown-cols {
  min-width: 240px;
  padding: 8px 0;
}

@media (min-width: 1025px) {
  .nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
}

.dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: color 0.15s, background-color 0.15s;
}

.dropdown-cols li a {
  padding: 9px 14px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.dropdown-menu li a:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

/* Submenu (3rd level flyout) */
.has-submenu {
  position: relative;
}

.has-submenu > a {
  display: flex !important;
  justify-content: space-between;
  align-items: center;
}

.submenu-arrow {
  font-size: 0.6rem;
  margin-left: auto;
  padding-left: 12px;
  opacity: 0.75;
  color: var(--text-secondary);
  transition: opacity 0.2s, transform 0.2s, color 0.2s;
}

.has-submenu:hover > a .submenu-arrow {
  opacity: 1;
  transform: translateX(3px);
  color: var(--primary);
}

.submenu {
  position: absolute;
  left: 100%;
  top: 0;
  min-width: 200px;
  padding: 8px 0;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
  list-style: none;
}


@media (min-width: 1025px) {
  .has-submenu:hover > .submenu {
    opacity: 1;
    visibility: visible;
  }
}

.submenu li a {
  display: block;
  padding: 9px 18px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color 0.15s, background-color 0.15s;
}

.submenu li a:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-actions .btn {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.header-actions .btn span {
  display: none;
}

@media (min-width: 1200px) {
  .header-actions .btn span {
    display: inline;
  }
}

/* Nav Search Toggle */
.nav-search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.125rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: 8px;
}

.nav-search-toggle:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  padding: 0;
}

.search-overlay.active {
  transform: translateY(0);
  opacity: 1;
}

.search-overlay-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px;
}

.search-overlay-form {
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 12px;
}

.search-overlay-icon {
  font-size: 1.5rem;
  color: var(--primary);
  flex-shrink: 0;
}

.search-overlay-input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  font-size: 1.5rem;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: transparent;
}

.search-overlay-input::placeholder {
  color: var(--text-light);
}

.search-overlay-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.search-overlay-close:hover {
  color: var(--text-primary);
  background: var(--bg-soft);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 6px;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ========================================
   Mobile Navigation - Responsive Styles
   ======================================== */
@media (max-width: 1024px) {
  .main-nav {
    display: none !important;
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    height: calc(100vh - var(--header-height, 72px)) !important;
    background: var(--bg-white, #fff) !important;
    z-index: 1000 !important;
    padding: 0 !important;
    overflow-y: auto !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .main-nav.mobile-open {
    display: block !important;
  }

  .main-nav .nav-list {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0 !important;
  }

  .main-nav .nav-item {
    display: block !important;
    border-bottom: 1px solid var(--border-light, #e8e2da);
  }

  .main-nav .nav-link {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 16px 20px !important;
    font-size: 1.0625rem !important;
    font-weight: 600 !important;
    color: var(--text-primary, #2d3748) !important;
    border-radius: 0 !important;
    text-decoration: none !important;
  }

  .main-nav .nav-link::after {
    display: none !important;
  }

  .main-nav .nav-link:hover,
  .main-nav .nav-link:active {
    background: var(--primary-soft, rgba(232, 134, 90, 0.08)) !important;
    color: var(--primary, #2c3e50) !important;
  }

  .main-nav .dropdown-menu,
  .main-nav .dropdown-menu.dropdown-cols {
    position: static !important;
    transform: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    background: var(--bg-light, #f9f7f4) !important;
    opacity: 1 !important;
    visibility: visible !important;
    display: none;
    padding: 0 !important;
    margin: 0 !important;
    transition: none !important;
    min-width: auto !important;
    grid-template-columns: 1fr !important;
  }

  .main-nav .dropdown-menu,
  .main-nav .dropdown-menu *,
  .main-nav .dropdown-menu li,
  .main-nav .dropdown-menu li a {
    transition: none !important;
    animation: none !important;
  }

  .main-nav .nav-item.mobile-dropdown-open .dropdown-menu {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .main-nav .nav-item.mobile-dropdown-open .nav-link i {
    transform: rotate(180deg);
    transition: none;
  }

  .main-nav .nav-link i {
    transition: none;
  }

  .main-nav .dropdown-menu li {
    display: list-item !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .main-nav .dropdown-menu li a {
    display: flex !important;
    align-items: center !important;
    padding: 14px 24px 14px 28px !important;
    font-size: 0.9375rem !important;
    font-weight: 400 !important;
    color: var(--text-secondary, #5a5a5a) !important;
    background: transparent !important;
    border-bottom: 1px solid var(--border-light, #f0ece4) !important;
    border-left: 3px solid transparent !important;
    opacity: 1 !important;
    visibility: visible !important;
    transition: none !important;
    line-height: 1.4 !important;
    text-decoration: none !important;
    -webkit-text-fill-color: var(--text-secondary, #5a5a5a) !important;
  }

  .main-nav .dropdown-menu li a:hover,
  .main-nav .dropdown-menu li a:active {
    color: var(--primary, #2c3e50) !important;
    -webkit-text-fill-color: var(--primary, #2c3e50) !important;
    background: var(--primary-soft, rgba(232, 134, 90, 0.08)) !important;
    border-left-color: var(--primary, #2c3e50) !important;
  }

  .main-nav .submenu {
    position: static !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    min-width: auto !important;
    padding: 0 !important;
    display: none;
    opacity: 1 !important;
    visibility: visible !important;
    transition: none !important;
    background: var(--bg-soft, #f4f2ef) !important;
  }

  .main-nav .has-submenu.mobile-sub-open > .submenu {
    display: block !important;
  }

  .main-nav .submenu li a {
    padding: 12px 24px 12px 44px !important;
    font-size: 0.875rem !important;
    color: var(--text-muted, #8a8a8a) !important;
    -webkit-text-fill-color: var(--text-muted, #8a8a8a) !important;
    background: transparent !important;
    border-bottom: 1px solid var(--border-light, #e8e4dc) !important;
    border-left: 3px solid transparent !important;
  }

  .main-nav .submenu li a:hover,
  .main-nav .submenu li a:active {
    color: var(--primary, #2c3e50) !important;
    -webkit-text-fill-color: var(--primary, #2c3e50) !important;
    background: var(--primary-soft, rgba(232, 134, 90, 0.08)) !important;
    border-left-color: var(--primary, #2c3e50) !important;
  }

  .main-nav .submenu-arrow {
    transition: none !important;
  }

  .main-nav .has-submenu.mobile-sub-open > a .submenu-arrow {
    transform: rotate(90deg);
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .header-actions {
    display: none;
  }

  /* Mobile Bottom Bar */
  .mobile-bottom-bar {
    display: flex;
  }

  .floating-buttons {
    bottom: 84px;
  }

  .floating-buttons .float-line,
  .floating-buttons .float-booking {
    display: none !important;
  }
}

/* ========================================
   Mobile LINE Side Panel
   ======================================== */
.mobile-line-panel {
  display: none;
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 950;
}

.mobile-line-drawer {
  display: flex;
  flex-direction: row;
  transform: translateX(calc(100% - 36px));
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-line-panel.open .mobile-line-drawer {
  transform: translateX(0);
}

.mobile-line-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 36px;
  padding: 12px 0;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px 0 0 10px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
  cursor: pointer;
  box-shadow: -3px 0 12px rgba(232, 134, 90, 0.25);
  transition: background 0.3s;
  flex-shrink: 0;
}

.mobile-line-tab span {
  display: block;
}

.mobile-line-tab .tab-divider {
  width: 16px;
  height: 1px;
  background: rgba(255, 255, 255, 0.4);
  margin: 3px 0;
}

.mobile-line-tab:active {
  background: var(--primary-dark);
}

.mobile-line-panel.open .mobile-line-tab {
  background: var(--primary-dark);
}

.mobile-line-content {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 0;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.mobile-line-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 68px;
  padding: 16px 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 500;
  transition: all 0.2s;
  border-bottom: 1px solid var(--border-light);
}

.mobile-line-btn:last-child {
  border-bottom: none;
}

.mobile-line-btn i {
  font-size: 1.35rem;
}

.mobile-line-btn.line-consult {
  color: var(--secondary-dark);
}

.mobile-line-btn.line-consult i {
  color: var(--secondary);
}

.mobile-line-btn.line-book {
  color: var(--primary-dark);
}

.mobile-line-btn.line-book i {
  color: var(--primary);
}

.mobile-line-btn:hover,
.mobile-line-btn:active {
  background: var(--bg-cream);
  color: var(--text-primary);
}

@media (max-width: 1024px) {
  .mobile-line-panel {
    display: block;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ========================================
   Main Content
   ======================================== */
.site-main {
  padding-top: calc(var(--header-height) + 34px);
  min-height: calc(100vh - var(--header-height) - 300px);
}

/* Page Header */
.page-header {
  padding: 48px 0 40px;
  background: linear-gradient(135deg, var(--bg-light) 0%, #f0f7f6 100%);
  border-bottom: 1px solid var(--border-light);
}

.page-header .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 16px;
}

.page-header .breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.page-header .breadcrumb a:hover {
  color: var(--primary);
}

.page-header .breadcrumb span {
  color: var(--text-muted);
}

.page-header .page-title {
  font-size: var(--text-3xl);
  margin-bottom: 0;
}

.page-header .page-desc {
  max-width: 600px;
  color: var(--text-muted);
  margin-top: 12px;
  margin-bottom: 0;
}

.page-header-detail {
  padding: 32px 0 24px;
}

@media (max-width: 768px) {
  .page-header {
    padding: 32px 0 28px;
  }

  .page-header-detail {
    padding: 24px 0 16px;
  }
}

/* Section Styles */
.section {
  padding: var(--section-padding) 0;
}

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

.section-subtitle {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(106, 191, 181, 0.1);
  color: var(--secondary-dark);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-muted);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  background: #2a4a46;
  color: #fff;
}

.footer-main {
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 20px;
}

.footer-logo img {
  height: 48px;
  filter: brightness(0) invert(1);
}

.footer-logo .logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

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

/* Social Links */
.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 50%;
  font-size: 1.125rem;
  transition: all var(--transition-base);
}

.social-links a:hover {
  background: var(--secondary);
  transform: translateY(-3px);
}

/* Footer Columns */
.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: #fff;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}

/* Contact List */
.contact-list {
  list-style: none;
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.7);
}

.contact-list li i {
  color: var(--secondary-light);
  font-size: 1.125rem;
  margin-top: 2px;
}

.contact-list a {
  color: rgba(255, 255, 255, 0.7);
}

.contact-list a:hover {
  color: #fff;
}

/* Footer Bottom */
.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  margin: 0;
}

/* ========================================
   Floating Buttons
   ======================================== */
.floating-buttons {
  position: fixed;
  right: 20px;
  bottom: 100px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 900;
}

.float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  font-size: 1.5rem;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-line {
  background: #06c755;
  color: #fff;
}

.float-booking {
  background: var(--primary);
  color: #fff;
}

.float-top {
  background: #fff;
  color: var(--text-primary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.float-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ========================================
   Mobile Bottom Bar
   ======================================== */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 64px;
  background: #fff;
  box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.1);
  z-index: 900;
}

.bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.bar-item i {
  font-size: 1.25rem;
  margin-bottom: 2px;
}

.bar-item.active,
.bar-item:hover {
  color: var(--primary);
}

/* 選中時發亮效果 */
.bar-item.active {
  color: var(--primary);
  position: relative;
}

.bar-item.active::before {
  content: "";
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  background: var(--primary-soft);
  border-radius: 50%;
  z-index: -1;
}

.bar-item.active i {
  filter: drop-shadow(0 0 6px var(--primary));
}

.bar-item.bar-cta {
  color: var(--text-muted);
}

.bar-item.bar-cta:hover {
  color: var(--primary);
}

/* ========================================
   Cards - 精緻卡片系統
   ======================================== */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid rgba(44, 62, 80, 0.06);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(44, 62, 80, 0.08);
}

.card-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-soft);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image img {
  transform: scale(1.08);
}

.card-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-soft) 0%, var(--bg-light) 100%);
}

.card-image-placeholder i {
  font-size: 3rem;
  color: var(--primary-light);
  opacity: 0.6;
}

.card-body {
  padding: 28px;
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--secondary-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.card-text {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.8;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.card-meta i {
  margin-right: 4px;
  color: var(--secondary-dark);
}

/* 響應式卡片 */
@media (max-width: 768px) {
  .card-body {
    padding: 20px;
  }

  .card-title {
    font-size: var(--text-lg);
  }
}

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

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .floating-buttons {
    right: 16px;
    bottom: 80px;
  }

  .float-btn {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }

  .mobile-bottom-bar {
    display: flex;
  }

  .site-footer {
    padding-bottom: 64px;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 48px;
    --container-padding: 16px;
  }
}

/* ========================================
   News Layout - Sidebar
   ======================================== */
.news-layout {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.news-main {
  flex: 0 0 70%;
  max-width: 70%;
  min-width: 0;
}

.news-sidebar {
  flex: 1;
  min-width: 0;
  position: sticky;
  top: 100px;
}

.sidebar-widget {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  margin-bottom: 24px;
}

.sidebar-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--secondary);
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sidebar-title i {
  color: var(--secondary);
}

.sidebar-category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-category-list li {
  border-bottom: 1px solid var(--border-light);
}

.sidebar-category-list li:last-child {
  border-bottom: none;
}

.sidebar-category-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  color: var(--text-body);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: all 0.2s;
}

.sidebar-category-list a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.sidebar-category-list a i {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: all 0.2s;
}

.sidebar-category-list a:hover i {
  color: var(--primary);
  transform: translateX(3px);
}

.sidebar-recent-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-recent-list li {
  border-bottom: 1px solid var(--border-light);
}

.sidebar-recent-list li:last-child {
  border-bottom: none;
}

.sidebar-recent-list a {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  text-decoration: none;
  transition: all 0.2s;
}

.sidebar-recent-list a:hover {
  opacity: 0.85;
}

.sidebar-recent-list .recent-thumb {
  flex-shrink: 0;
  width: 88px;
  height: 88px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.sidebar-recent-list .recent-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sidebar-recent-list .recent-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.sidebar-recent-list .recent-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s;
}

.sidebar-recent-list a:hover .recent-title {
  color: var(--primary);
}

.sidebar-recent-list .recent-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

@media (max-width: 1024px) {
  .news-layout {
    gap: 28px;
  }

  .news-main {
    flex: 0 0 70%;
    max-width: 70%;
  }
}

@media (max-width: 768px) {
  .news-layout {
    flex-direction: column;
    gap: 32px;
  }

  .news-main {
    flex: none;
    max-width: 100%;
  }

  .news-sidebar {
    position: static;
  }
}

/* ========================================
   Utilities
   ======================================== */
.mt-0 {
  margin-top: 0 !important;
}
.mt-1 {
  margin-top: 8px !important;
}
.mt-2 {
  margin-top: 16px !important;
}
.mt-3 {
  margin-top: 24px !important;
}
.mt-4 {
  margin-top: 32px !important;
}
.mt-5 {
  margin-top: 48px !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}
.mb-1 {
  margin-bottom: 8px !important;
}
.mb-2 {
  margin-bottom: 16px !important;
}
.mb-3 {
  margin-bottom: 24px !important;
}
.mb-4 {
  margin-bottom: 32px !important;
}
.mb-5 {
  margin-bottom: 48px !important;
}

.me-1 {
  margin-right: 4px !important;
}
.me-2 {
  margin-right: 8px !important;
}

.d-none {
  display: none !important;
}
.d-block {
  display: block !important;
}
.d-flex {
  display: flex !important;
}
.d-grid {
  display: grid !important;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.gap-1 {
  gap: 8px !important;
}
.gap-2 {
  gap: 16px !important;
}
.gap-3 {
  gap: 24px !important;
}

/* ========================================
   Animations & Effects
   ======================================== */

/* Keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes glow {
  0%,
  100% {
    box-shadow: 0 0 5px rgba(44, 62, 80, 0.2);
  }
  50% {
    box-shadow: 0 0 20px rgba(44, 62, 80, 0.4);
  }
}

@keyframes bounce {
  0%,
  20%,
  53%,
  100% {
    transform: translateY(0);
  }
  40%,
  43% {
    transform: translateY(-15px);
  }
  70% {
    transform: translateY(-7px);
  }
  90% {
    transform: translateY(-3px);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Animation Classes */
.animate-float {
  animation: floatY 3s ease-in-out infinite;
}
.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}
.animate-glow {
  animation: glow 2s ease-in-out infinite;
}
.animate-bounce {
  animation: bounce 1s ease;
}
.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-fade-in {
  animation: fadeInUp 0.6s ease forwards;
}
.animate-fade-in-down {
  animation: fadeInDown 0.6s ease forwards;
}
.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease forwards;
}
.animate-fade-in-right {
  animation: fadeInRight 0.6s ease forwards;
}

/* Stagger Animations */
.stagger-1 {
  animation-delay: 0.1s;
  opacity: 0;
}
.stagger-2 {
  animation-delay: 0.2s;
  opacity: 0;
}
.stagger-3 {
  animation-delay: 0.3s;
  opacity: 0;
}
.stagger-4 {
  animation-delay: 0.4s;
  opacity: 0;
}
.stagger-5 {
  animation-delay: 0.5s;
  opacity: 0;
}

/* Scroll Reveal (JS triggered) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ========================================
   Visual Enhancements
   ======================================== */

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glassmorphism Effect */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Neumorphism Card */
.neomorphic {
  background: var(--bg-light);
  box-shadow:
    8px 8px 16px rgba(232, 134, 90, 0.06),
    -8px -8px 16px rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
}

.neomorphic-inset {
  background: var(--bg-light);
  box-shadow:
    inset 4px 4px 8px rgba(232, 134, 90, 0.05),
    inset -4px -4px 8px rgba(255, 255, 255, 0.8);
}

/* Shimmer Loading Effect */
.shimmer {
  background: linear-gradient(
    90deg,
    var(--bg-light) 25%,
    rgba(255, 255, 255, 0.5) 50%,
    var(--bg-light) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* Hover Lift Effect */
.hover-lift {
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

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

/* Hover Glow Effect */
.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(44, 62, 80, 0.2);
}

/* Image Hover Zoom */
.img-zoom {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.img-zoom img {
  transition: transform var(--transition-slow);
}

.img-zoom:hover img {
  transform: scale(1.08);
}

/* Overlay Effect */
.overlay {
  position: relative;
}

.overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.overlay:hover::before {
  opacity: 1;
}

/* ========================================
   Enhanced Components
   ======================================== */

/* Hero Section Enhancement */
.hero-section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary-soft) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(106, 191, 181, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
}

/* Enhanced Card */
.card-enhanced {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card-enhanced::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.card-enhanced:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-enhanced:hover::before {
  transform: scaleX(1);
}

/* Image Placeholder with Gradient */
.img-placeholder {
  background: linear-gradient(135deg, var(--bg-soft) 0%, var(--bg-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 3rem;
}

/* Badge Enhancement */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background: var(--primary-soft);
  color: var(--primary);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.badge-info {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

/* Feature Box */
.feature-box {
  padding: 32px;
  background: #fff;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.feature-box:hover {
  border-color: var(--primary-soft);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(
    135deg,
    var(--primary-soft) 0%,
    rgba(232, 168, 124, 0.15) 100%
  );
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary);
  transition: all var(--transition-base);
}

.feature-box:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary-dark) 100%);
  color: #fff;
}

/* Testimonial Card */
.testimonial-card {
  padding: 32px;
  background: #fff;
  border-radius: var(--radius-lg);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  left: 24px;
  font-size: 4rem;
  font-family: Georgia, serif;
  color: var(--primary-soft);
  line-height: 1;
}

.testimonial-content {
  position: relative;
  z-index: 1;
  padding-top: 24px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 600;
}

/* FAQ Accordion Enhancement */
.accordion-item {
  background: #fff;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.accordion-item:hover {
  box-shadow: var(--shadow-md);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

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

.accordion-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all var(--transition-base);
}

.accordion-item.active .accordion-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(180deg);
}

.accordion-body {
  padding: 0 24px 20px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ========================================
   Page-specific Styles
   ======================================== */

/* Breadcrumb Enhancement */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb-separator {
  color: var(--border-color);
}

.breadcrumb-current {
  color: var(--primary);
  font-weight: 500;
}

/* Page Header Enhancement */
.page-hero {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--bg-light) 0%, #fff 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: var(--primary-soft);
  border-radius: 50%;
  opacity: 0.5;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 16px;
  position: relative;
}

.page-hero p {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
}

/* Filter Pills */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.filter-pill {
  padding: 10px 20px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(44, 62, 80, 0.2);
}

/* ========================================
   Scroll & Selection
   ======================================== */

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}

/* Selection */
::selection {
  background: var(--primary);
  color: #fff;
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ========================================
   Loading States
   ======================================== */

.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-soft) 25%,
    var(--bg-light) 50%,
    var(--bg-soft) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: 8px;
}

.skeleton-title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: 12px;
}

.skeleton-image {
  aspect-ratio: 16/10;
}


/* ========================================
   PWA Web App 風格樣式系統
   ======================================== */

/* PWA 基礎設定 */
html {
  overscroll-behavior-y: contain; /* 禁止頁面彈性滾動 */
  scroll-behavior: smooth;
}

body {
  -webkit-tap-highlight-color: transparent; /* 移除點擊高亮 */
  touch-action: manipulation; /* 優化觸控 */
}

/* 安全區域支援 (iPhone X+) */
body {
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.mobile-bottom-bar {
  padding-bottom: env(safe-area-inset-bottom, 0);
}

/* ----------------------------------------
   沉浸式 Header - 滾動隱藏/顯示
   ---------------------------------------- */
.site-header {
  transition:
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.site-header[data-scroll="down"],
.site-header[data-scroll="up"] {
  transform: none;
  box-shadow: var(--shadow-sm);
}

/* Header 完全透明模式 (可選) */
.site-header.header-transparent {
  background: transparent;
  box-shadow: none;
}

.site-header.header-transparent.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
}

/* ----------------------------------------
   底部導航欄 Web App 升級
   ---------------------------------------- */
.mobile-bottom-bar {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 0.5px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
}

/* 底部導航項目增強 */
.bar-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Ripple 效果容器 */
.bar-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at var(--ripple-x, 50%) var(--ripple-y, 50%),
    var(--primary-soft) 0%,
    transparent 70%
  );
  opacity: 0;
  transform: scale(0);
  transition:
    opacity 0.4s,
    transform 0.4s;
  pointer-events: none;
}

.bar-item.ripple::after {
  opacity: 1;
  transform: scale(2.5);
}

/* Active 狀態增強 */
.bar-item.active {
  color: var(--primary);
}

.bar-item.active::before {
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    transform: translateX(-50%) scale(1);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) scale(1.1);
    opacity: 0.8;
  }
}

/* Active Indicator Dot */
.bar-item.active .bar-indicator {
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  animation: indicator-appear 0.3s ease-out;
}

@keyframes indicator-appear {
  from {
    transform: translateX(-50%) scale(0);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) scale(1);
    opacity: 1;
  }
}

/* CTA 按鈕（同一般按鈕風格） */
.bar-item.bar-cta {
  color: var(--text-muted);
}

.bar-item.bar-cta:active {
  color: var(--primary);
}

/* ----------------------------------------
   卡片觸摸回饋
   ---------------------------------------- */
.card {
  -webkit-user-select: none;
  user-select: none;
}

.card:active {
  transform: scale(0.98);
  transition: transform 0.1s ease-out;
}

/* 觸摸時禁用 hover 效果 */
@media (hover: none) and (pointer: coarse) {
  .card:hover {
    transform: none;
    box-shadow: var(--shadow-soft);
  }

  .card:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-sm);
  }
}

/* 按鈕觸摸回饋 */
.btn:active {
  transform: scale(0.96);
  transition: transform 0.1s ease-out;
}

/* Pill 觸摸回饋 */
.pill:active {
  transform: scale(0.95);
}

/* ----------------------------------------
   頁面轉場動畫 (View Transitions API)
   ---------------------------------------- */
@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: slide-out-left 0.25s ease-out both;
}

::view-transition-new(root) {
  animation: slide-in-right 0.25s ease-out both;
}

@keyframes slide-out-left {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-30px);
  }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 回退方案 (不支援 View Transitions 的瀏覽器) */
.page-transition-enter {
  opacity: 0;
  transform: translateX(20px);
}

.page-transition-enter-active {
  opacity: 1;
  transform: translateX(0);
  transition:
    opacity 0.25s ease-out,
    transform 0.25s ease-out;
}

/* ----------------------------------------
   下拉刷新指示器 (Pull to Refresh)
   ---------------------------------------- */
.ptr-indicator {
  position: fixed;
  top: calc(var(--header-height) + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-100%);
  width: 40px;
  height: 40px;
  background: var(--bg-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
  opacity: 0;
  transition:
    opacity 0.2s,
    transform 0.2s;
}

.ptr-indicator.active {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.ptr-indicator i {
  color: var(--primary);
  font-size: 1.25rem;
  animation: ptr-spin 1s linear infinite;
}

@keyframes ptr-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ----------------------------------------
   列表項目滑動動畫
   ---------------------------------------- */
.list-item,
.accordion-item,
.article-card {
  opacity: 0;
  transform: translateY(20px);
}

.list-item.visible,
.accordion-item.visible,
.article-card.visible {
  animation: list-appear 0.4s ease-out forwards;
}

@keyframes list-appear {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 延遲動畫 (用於列表) */
.list-item:nth-child(1) {
  animation-delay: 0s;
}
.list-item:nth-child(2) {
  animation-delay: 0.05s;
}
.list-item:nth-child(3) {
  animation-delay: 0.1s;
}
.list-item:nth-child(4) {
  animation-delay: 0.15s;
}
.list-item:nth-child(5) {
  animation-delay: 0.2s;
}

/* ----------------------------------------
   Loading 狀態增強
   ---------------------------------------- */
.loading-overlay {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
}

/* ----------------------------------------
   手勢提示
   ---------------------------------------- */
.swipe-hint {
  position: relative;
  overflow: hidden;
}

.swipe-hint::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  width: 24px;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--text-light),
    transparent
  );
  animation: swipe-hint 2s ease-in-out infinite;
}

@keyframes swipe-hint {
  0%,
  100% {
    opacity: 0;
    transform: translateY(-50%) translateX(0);
  }
  50% {
    opacity: 1;
    transform: translateY(-50%) translateX(-10px);
  }
}

/* ----------------------------------------
   Empty State
   ---------------------------------------- */
.empty-state {
  text-align: center;
  padding: 80px 20px;
}

.empty-state-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 24px;
  background: var(--primary-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary);
}

.empty-state h2 {
  font-size: 1.375rem;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-weight: 600;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 400px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.empty-state .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ========================================
   Prose - Rich Text Content
   ======================================== */
.prose {
  font-size: 1.0625rem;
  line-height: 1.95;
  color: var(--text-primary);
  word-break: break-word;
  letter-spacing: 0.02em;
}

.prose h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 2.8em 0 1em;
  padding: 0 0 0 16px;
  border-left: 4px solid var(--primary);
  color: var(--text-primary);
  scroll-margin-top: calc(var(--header-height, 72px) + 58px);
  line-height: 1.4;
}

.prose h3 {
  font-size: 1.1875rem;
  font-weight: 700;
  margin: 2.2em 0 0.8em;
  padding-bottom: 0.4em;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  scroll-margin-top: calc(var(--header-height, 72px) + 58px);
}

.prose h4 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 1.5em 0 0.5em;
  color: var(--text-secondary);
  scroll-margin-top: calc(var(--header-height, 72px) + 58px);
  position: relative;
  padding-left: 1rem;
}

.prose h4::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.prose h5 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.3em 0 0.4em;
  color: var(--text-secondary);
  scroll-margin-top: calc(var(--header-height, 72px) + 58px);
}

.prose h6 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 1.2em 0 0.4em;
  color: var(--text-muted);
  scroll-margin-top: calc(var(--header-height, 72px) + 58px);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.prose p {
  margin-bottom: 1.5em;
}

.prose strong {
  color: var(--text-primary);
  font-weight: 700;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 1.5em 0;
}

.prose ul,
.prose ol {
  margin: 1.25em 0;
  padding-left: 1.5em;
}

.prose li {
  margin-bottom: 0.6em;
  line-height: 1.85;
}

.prose li strong {
  color: var(--primary);
}

.prose blockquote {
  margin: 1.5em 0;
  padding: 1.25em 1.5em;
  border-left: 4px solid var(--secondary);
  background: var(--bg-cream);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-style: italic;
  font-size: 0.9875rem;
}

.prose table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.8em 0;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.prose th,
.prose td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
  text-align: left;
  line-height: 1.7;
}

.prose th {
  background: var(--secondary-dark);
  color: #fff;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}

.prose tr:nth-child(even) td {
  background: var(--bg-soft);
}

.prose tr:last-child td {
  border-bottom: none;
}

.prose a {
  color: var(--secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose a:hover {
  color: var(--primary);
}

.prose > *:first-child {
  margin-top: 0;
}

.prose > *:last-child {
  margin-bottom: 0;
}

/* ========================================
   Article TOC - 文章目錄
   ======================================== */
/* ========================================
   Article Detail - 文章詳情共用樣式
   ======================================== */
.article-reading-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  width: 0%;
  z-index: 9999;
  transition: width 0.1s linear;
}

.article-detail {
  padding-top: 8px;
}

.article-header {
  text-align: center;
  margin-bottom: 36px;
}

.article-category-tag {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(106, 191, 181, 0.12);
  color: var(--secondary-dark);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  text-decoration: none;
  transition: all 0.2s;
}

.article-category-tag:hover {
  background: var(--secondary-dark);
  color: #fff;
}

.article-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.meta-item i {
  font-size: 0.9375rem;
  color: var(--secondary-dark);
}

.article-hero-image {
  margin: 0 0 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.article-hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Inline TOC ===== */
.toc-inline {
  background: #fcfcfc;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.5rem;
  margin-bottom: 2rem;
}

.toc-inline-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--secondary);
  margin-bottom: 0.8rem;
}

.toc-inline-header i:first-child {
  color: var(--secondary);
}

.toc-inline-toggle {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem;
  font-size: 0.85rem;
  transition: transform 0.3s;
}

.toc-inline-toggle[aria-expanded="false"] i {
  transform: rotate(180deg);
}

.toc-inline-nav {
  max-height: 600px;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.toc-inline-nav.collapsed {
  max-height: 0;
}

.toc-inline-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-inline-item {
  margin-bottom: 0.15rem;
}

.toc-inline-item.toc-level-h1 {
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-light);
}

.toc-inline-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary) !important;
}

.toc-inline-item.toc-level-2 {
  padding-left: 0.6rem;
}

.toc-inline-item.toc-level-3 {
  padding-left: 1.8rem;
}

.toc-inline-item.toc-level-4 {
  padding-left: 3rem;
}

.toc-inline-item.toc-level-5 {
  padding-left: 4.2rem;
}

.toc-inline-item.toc-level-6 {
  padding-left: 5.4rem;
}

.toc-inline-link {
  display: block;
  padding: 0.35rem 0.6rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
  transition: all 0.2s;
  line-height: 1.6;
}

.toc-inline-link:hover {
  color: var(--text-primary);
  background: var(--bg-cream);
}

.toc-inline-link.active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: var(--primary-soft);
  font-weight: 600;
}

.article-summary-card {
  background: linear-gradient(135deg, var(--bg-cream) 0%, #fff 100%);
  border-left: 4px solid var(--secondary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 24px 28px;
  margin-bottom: 36px;
  box-shadow: var(--shadow-sm);
}

.article-summary-card h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--secondary);
  margin: 0 0 10px;
}

.article-summary-card h2 i {
  font-size: 1.125rem;
}

.article-summary-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

.article-cta-inline {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 48px;
  padding: 28px 32px;
  background: linear-gradient(135deg, rgba(106,191,181,0.06) 0%, var(--bg-cream) 50%, #fff 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.cta-inline-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
}

.cta-inline-text {
  flex: 1;
  min-width: 0;
}

.cta-inline-text h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 4px;
}

.cta-inline-text p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

.cta-inline-actions {
  flex-shrink: 0;
  display: flex;
  gap: 10px;
}

.article-floating-share {
  position: fixed;
  left: max(12px, calc((100vw - 1400px) / 2 - 64px));
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.article-floating-share.visible {
  opacity: 1;
  pointer-events: auto;
}

.article-floating-share .share-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.25rem;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.article-floating-share .share-facebook {
  background: #1877F2;
  color: #fff;
}

.article-floating-share .share-line {
  background: #06C755;
  color: #fff;
}

.article-floating-share .share-copy {
  background: #fff;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.article-floating-share .share-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border-light);
}

.share-label {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.share-buttons {
  display: flex;
  gap: 12px;
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  font-size: 1.25rem;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
}

.share-facebook {
  background: #1877F2;
  color: #fff;
}

.share-facebook:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 14px rgba(24, 119, 242, 0.35);
}

.share-line {
  background: #06C755;
  color: #fff;
}

.share-line:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 14px rgba(6, 199, 85, 0.35);
}

.share-copy {
  background: var(--bg-light);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.share-copy:hover {
  background: var(--primary-soft);
  color: var(--primary);
  transform: translateY(-3px);
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-article-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  text-decoration: none;
  transition: all 0.25s ease;
}

.related-article-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--primary-light);
}

.related-article-thumb {
  flex-shrink: 0;
  width: 88px;
  height: 88px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-light);
}

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

.related-article-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 1.5rem;
}

.related-article-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.related-article-info h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 8px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s;
}

.related-article-card:hover .related-article-info h3 {
  color: var(--primary);
}

.related-article-date {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.back-to-list {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.back-to-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

.back-to-list a:hover {
  color: var(--primary);
}

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

  .article-floating-share {
    display: none;
  }
}

@media (max-width: 768px) {
  .article-cta-inline {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
    gap: 16px;
  }

  .cta-inline-actions {
    flex-direction: column;
    width: 100%;
  }

  .cta-inline-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .article-share {
    flex-direction: column;
    align-items: flex-start;
  }

  .related-articles-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Detail Grid - Article Layout
   ======================================== */
.detail-grid {
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: 48px;
  align-items: start;
}

.detail-main {
  min-width: 0;
}

.detail-sidebar {
  position: relative;
}

.detail-sidebar .cta-card-sticky {
  position: sticky;
  top: calc(var(--header-height, 72px) + 24px);
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  text-align: center;
}

.detail-sidebar .cta-card-sticky h3 {
  font-size: 1.0625rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.detail-sidebar .cta-card-sticky p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

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

  .detail-sidebar .cta-card-sticky {
    position: static;
  }
}

/* ----------------------------------------
   Safe Area 響應式調整
   ---------------------------------------- */
@media (max-width: 1024px) {
  .site-footer {
    padding-bottom: calc(64px + env(safe-area-inset-bottom, 0));
  }

  .floating-buttons {
    bottom: calc(84px + env(safe-area-inset-bottom, 0));
  }
}