/* ============================================
   重圓中醫工作室 — Peacemaker TCM
   Design System & Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  /* Primary Colors - Warm, healing, TCM-inspired */
  --color-primary: #8B6914;
  --color-primary-light: #B8922A;
  --color-primary-lighter: #F5ECD7;
  --color-primary-dark: #6B4F0E;
  --color-primary-rgb: 139, 105, 20;

  /* Accent Colors */
  --color-accent: #C25E3F;
  --color-accent-light: #E8A090;
  --color-accent-lighter: #FDF0ED;

  /* Neutral Colors */
  --color-bg: #FEFCF8;
  --color-bg-alt: #F9F5EE;
  --color-bg-card: #FFFFFF;
  --color-text: #3D3228;
  --color-text-light: #7A6E62;
  --color-text-lighter: #A89E94;
  --color-border: #E8E0D4;
  --color-border-light: #F0EAE0;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(61, 50, 40, 0.06);
  --shadow-md: 0 4px 12px rgba(61, 50, 40, 0.08);
  --shadow-lg: 0 8px 30px rgba(61, 50, 40, 0.1);
  --shadow-xl: 0 16px 50px rgba(61, 50, 40, 0.12);

  /* Typography */
  --font-serif: 'Noto Serif TC', 'Georgia', serif;
  --font-sans: 'Noto Sans TC', 'Helvetica Neue', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Layout */
  --container-max: 1200px;
  --navbar-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(var(--color-primary-rgb), 0.3);
}

.btn-outline {
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

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

.btn-white:hover {
  background: var(--color-primary-lighter);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-white {
  border: 1.5px solid rgba(255,255,255,0.6);
  color: #fff;
  background: transparent;
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

.btn-full {
  width: 100%;
}

/* --- Section Styles --- */
.section {
  padding: var(--space-5xl) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-lighter);
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  line-height: 1.3;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  background: rgba(254, 252, 248, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(254, 252, 248, 0.97);
  border-bottom-color: var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-icon {
  font-size: 1.75rem;
  color: var(--color-primary);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-cn {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo-en {
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--color-text-lighter);
  text-transform: uppercase;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  border-radius: 4px;
  display: block;
}

.footer-brand .logo-img {
  height: 56px;
  margin-bottom: var(--space-sm);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text-light);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* --- Page System --- */
.page {
  display: none;
}

.page.active {
  display: block;
  animation: fadeInPage 0.5s ease;
}

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

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F5ECD7 0%, #FEFCF8 30%, #FDF0ED 70%, #F5ECD7 100%);
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(139, 105, 20, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(194, 94, 63, 0.05) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 80%, rgba(139, 105, 20, 0.04) 0%, transparent 40%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  padding: calc(var(--navbar-height) + var(--space-3xl)) 0 var(--space-3xl);
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-size: 0.875rem;
  color: var(--color-primary);
  background: rgba(139, 105, 20, 0.08);
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xl);
  letter-spacing: 0.05em;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.text-accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
  animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  animation: fadeInUp 0.8s ease 1s both;
}

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

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-lighter);
  margin-top: var(--space-xs);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--color-text-lighter);
  font-size: 0.8125rem;
  animation: fadeInUp 0.8s ease 1.2s both;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  margin: var(--space-sm) auto 0;
  border-right: 2px solid var(--color-text-lighter);
  border-bottom: 2px solid var(--color-text-lighter);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.6; }
  50% { transform: rotate(45deg) translate(4px, 4px); opacity: 1; }
}

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

/* --- Services Preview Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.service-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.service-link:hover {
  color: var(--color-primary-dark);
  gap: var(--space-sm);
}

/* --- Philosophy Section --- */
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.philosophy-content .section-title {
  text-align: left;
}

.philosophy-content p {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
}

.philosophy-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.point {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.point-icon {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-top: 2px;
  flex-shrink: 0;
}

.point strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  margin-bottom: var(--space-xs);
}

.point span {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

/* Yin Yang Animation */
.yin-yang-container {
  position: relative;
  width: 300px;
  height: 300px;
  margin: 0 auto;
}

.yin-yang {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 180px;
  height: 180px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: linear-gradient(to right, var(--color-primary-lighter) 50%, var(--color-primary-light) 50%);
  animation: yinYangSpin 30s linear infinite;
  overflow: hidden;
}

.yin-yang::before,
.yin-yang::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 50%;
  height: 50%;
  border-radius: 50%;
}

.yin-yang::before {
  background: var(--color-primary-light);
  transform: translateX(-50%);
}

.yin-yang::after {
  background: var(--color-primary-lighter);
  top: auto;
  bottom: 0;
  transform: translateX(-50%);
}

.yy-dot {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  z-index: 2;
}

.yy-dot-yin {
  background: var(--color-primary-lighter);
  top: 25%;
  left: 50%;
  transform: translateX(-50%);
}

.yy-dot-yang {
  background: var(--color-primary-light);
  bottom: 25%;
  left: 50%;
  transform: translateX(-50%);
}

@keyframes yinYangSpin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.philosophy-ring {
  position: absolute;
  border: 1px solid var(--color-border-light);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.ring-1 {
  width: 220px;
  height: 220px;
  animation: ringPulse 4s ease-in-out infinite;
}

.ring-2 {
  width: 260px;
  height: 260px;
  animation: ringPulse 4s ease-in-out 1s infinite;
}

.ring-3 {
  width: 300px;
  height: 300px;
  animation: ringPulse 4s ease-in-out 2s infinite;
}

@keyframes ringPulse {
  0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.05); }
}

/* --- Testimonials --- */
.testimonials-slider {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  min-height: 220px;
}

.testimonial-card {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-slow);
  pointer-events: none;
}

.testimonial-card.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--color-primary-lighter);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.testimonial-card p {
  font-size: 1.125rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.125rem;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9375rem;
}

.testimonial-author span {
  font-size: 0.8125rem;
  color: var(--color-text-lighter);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  transition: all var(--transition-base);
  cursor: pointer;
}

.dot.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

/* --- CTA Section --- */
.section-cta {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: var(--space-4xl) 0;
}

.cta-box {
  text-align: center;
  color: #fff;
}

.cta-box h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.cta-box p {
  font-size: 1.0625rem;
  opacity: 0.85;
  margin-bottom: var(--space-2xl);
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

/* --- Page Heroes --- */
.page-hero {
  padding: calc(var(--navbar-height) + var(--space-4xl)) 0 var(--space-3xl);
  text-align: center;
}

.page-hero-about {
  background: linear-gradient(135deg, #F5ECD7 0%, #FEFCF8 50%, #F9F5EE 100%);
}

.page-hero-services {
  background: linear-gradient(135deg, #FDF0ED 0%, #FEFCF8 50%, #F5ECD7 100%);
}

.page-hero-blog {
  background: linear-gradient(135deg, #F5ECD7 0%, #FDF0ED 50%, #FEFCF8 100%);
}

.page-hero-contact {
  background: linear-gradient(135deg, #F9F5EE 0%, #F5ECD7 50%, #FDF0ED 100%);
}

.page-hero-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(139, 105, 20, 0.08);
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.page-hero p {
  font-size: 1.0625rem;
  color: var(--color-text-light);
}

/* --- About Page --- */
.about-story {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-story h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
}

.about-story p {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-bg-alt));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.placeholder-content {
  text-align: center;
  color: var(--color-primary);
}

.placeholder-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--space-md);
}

.placeholder-content span {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.value-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

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

.value-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary-lighter);
  line-height: 1;
  margin-bottom: var(--space-lg);
}

.value-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.value-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Team */
.team-grid {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
}

.team-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border-light);
  text-align: center;
  max-width: 400px;
  transition: all var(--transition-base);
}

.team-card:hover {
  box-shadow: var(--shadow-md);
}

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto var(--space-xl);
  background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-placeholder {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.team-card h3 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.team-title {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-lg);
  display: block;
}

.team-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.team-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.credential {
  font-size: 0.75rem;
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-weight: 500;
}

/* --- Services Page --- */
.service-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.tab-btn {
  padding: 0.75rem 2rem;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-light);
  border: 1.5px solid var(--color-border);
  transition: all var(--transition-base);
}

.tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tab-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Service Detail Cards */
.services-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.service-detail-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.service-detail-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-lighter);
}

.sdc-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.sdc-icon {
  font-size: 2.25rem;
  flex-shrink: 0;
}

.sdc-header h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.sdc-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--color-accent-lighter);
  color: var(--color-accent);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
}

.service-detail-card > p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.sdc-features {
  margin-bottom: var(--space-xl);
  flex: 1;
}

.sdc-features li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.sdc-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.875rem;
}

.sdc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-light);
}

.sdc-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}

.price-label {
  font-size: 0.8125rem;
  color: var(--color-text-lighter);
}

.price-value {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-unit {
  font-size: 0.8125rem;
  color: var(--color-text-lighter);
}

/* Education Grid */
.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.edu-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

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

.edu-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
}

.edu-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.edu-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.edu-details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.edu-details span {
  font-size: 0.8125rem;
  color: var(--color-text-lighter);
  background: var(--color-bg-alt);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

/* Process Steps */
.process-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-lg);
}

.process-step {
  text-align: center;
  flex: 1;
  max-width: 220px;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  box-shadow: 0 4px 16px rgba(var(--color-primary-rgb), 0.25);
}

.process-step h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.process-step p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.process-connector {
  width: 50px;
  height: 2px;
  background: var(--color-border);
  margin-top: 30px;
  flex-shrink: 0;
  position: relative;
}

.process-connector::after {
  content: '›';
  position: absolute;
  right: -4px;
  top: -10px;
  font-size: 1.25rem;
  color: var(--color-text-lighter);
}

/* --- Blog Page --- */
.blog-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

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

.filter-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.blog-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

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

.blog-card.featured {
  grid-column: span 2;
}

.blog-card.featured .blog-card-image {
  aspect-ratio: 16/9;
}

.blog-card-image {
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-bg-alt));
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-placeholder-img {
  font-size: 3rem;
}

.blog-category {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.blog-card-content {
  padding: var(--space-xl);
}

.blog-meta {
  display: flex;
  gap: var(--space-md);
  font-size: 0.8125rem;
  color: var(--color-text-lighter);
  margin-bottom: var(--space-md);
}

.blog-card-content h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.blog-card.featured .blog-card-content h3 {
  font-size: 1.375rem;
}

.blog-card-content p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-read-more {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
}

.blog-read-more:hover {
  color: var(--color-primary-dark);
}

.blog-load-more {
  text-align: center;
  margin-top: var(--space-3xl);
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
}

.contact-info h2,
.contact-form-wrapper h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.contact-info > p {
  color: var(--color-text-light);
  margin-bottom: var(--space-2xl);
}

.info-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.info-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.info-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.info-item strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: var(--space-xs);
}

.info-item p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.info-item a {
  color: var(--color-primary);
}

.info-item a:hover {
  text-decoration: underline;
}

.hours-table {
  margin-top: var(--space-sm);
}

.hours-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9375rem;
  color: var(--color-text-light);
  padding: var(--space-xs) 0;
  gap: var(--space-xl);
}

.hours-row.closed {
  color: var(--color-text-lighter);
}

.social-links {
  margin-top: var(--space-2xl);
}

.social-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-lighter);
  display: block;
  margin-bottom: var(--space-md);
}

.social-icons {
  display: flex;
  gap: var(--space-sm);
}

.social-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  transition: all var(--transition-base);
}

.social-icon:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border-light);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-lighter);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-privacy {
  margin-top: var(--space-sm);
}

.checkbox-label {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--color-primary);
}

.form-success {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #E8F5E9;
  color: #2E7D32;
  font-size: 2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xl);
}

.form-success h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.form-success p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

/* Map */
.section-map {
  padding: 0;
}

.map-container {
  width: 100%;
  height: 350px;
  background: var(--color-bg-alt);
}

.map-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-bg-alt));
  color: var(--color-primary);
}

.map-pin {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.map-placeholder p {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.map-placeholder span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* --- Footer --- */
.footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-top: var(--space-lg);
  opacity: 0.7;
}

.footer-brand .logo-cn {
  color: #fff;
}

.footer-brand .logo-en {
  color: rgba(255, 255, 255, 0.4);
}

.footer-brand .logo-icon {
  color: var(--color-primary-light);
}

.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  font-size: 0.9375rem;
  opacity: 0.7;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-primary-light);
}

.footer-contact p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-sm);
}

.footer-contact .social-icons {
  margin-top: var(--space-lg);
}

.footer-contact .social-icon {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact .social-icon:hover {
  background: var(--color-primary);
  color: #fff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
  opacity: 0.5;
}

.footer-legal {
  display: flex;
  gap: var(--space-xl);
}

.footer-legal a {
  opacity: 1;
}

.footer-legal a:hover {
  color: var(--color-primary-light);
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-4px);
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .yin-yang-container {
    width: 250px;
    height: 250px;
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-detail-grid {
    grid-template-columns: 1fr;
  }

  .education-grid {
    grid-template-columns: 1fr;
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-card.featured {
    grid-column: span 2;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --navbar-height: 64px;
  }

  .nav-menu {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-border-light);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-actions .btn {
    display: none;
  }

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

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

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

  .container {
    padding: 0 var(--space-lg);
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .about-story {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .team-grid {
    flex-direction: column;
    align-items: center;
  }

  .process-grid {
    flex-direction: column;
    align-items: center;
  }

  .process-connector {
    width: 2px;
    height: 30px;
    margin-top: 0;
  }

  .process-connector::after {
    content: '›';
    right: auto;
    left: 50%;
    transform: translateX(-50%) rotate(90deg);
    top: auto;
    bottom: -8px;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-card.featured {
    grid-column: span 1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .page-hero {
    padding: calc(var(--navbar-height) + var(--space-2xl)) 0 var(--space-2xl);
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-badge {
    font-size: 0.75rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .service-tabs {
    flex-direction: column;
    align-items: stretch;
  }

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

  .blog-filters {
    gap: var(--space-xs);
  }

  .filter-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
  }
}

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

/* Smooth scroll for anchor links within pages */
html {
  scroll-padding-top: var(--navbar-height);
}