/* ============================================
   诗和远方 — 水果产品展示网站
   Design System: Organic Biophilic
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-primary: #2D5016;
  --color-primary-light: #4A7C2E;
  --color-primary-dark: #1E3A0E;
  --color-accent: #F97316;
  --color-accent-hover: #EA6A0E;
  --color-bg: #FDFAF5;
  --color-bg-card: #FFFFFF;
  --color-bg-section: #F5F0E8;
  --color-text: #1E293B;
  --color-text-secondary: #64748B;
  --color-text-light: #94A3B8;
  --color-border: #E2E8F0;
  --color-overlay: rgba(30, 58, 14, 0.55);
  --color-white: #FFFFFF;

  /* Typography */
  --font-serif: 'Noto Serif SC', 'STSong', serif;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

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

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

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

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

ul, ol {
  list-style: none;
}

/* --- Utility --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--space-3xl);
}

/* ============================================
   HEADER / NAV
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(253, 250, 245, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.5);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(253, 250, 245, 0.95);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.brand-logo {
  height: 40px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 2px;
}

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

.nav-links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: var(--space-xs) 0;
  letter-spacing: 1px;
}

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

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

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

.nav-phone {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-accent);
  color: white !important;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-phone:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

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

.nav-phone svg {
  width: 16px;
  height: 16px;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

/* ============================================
   HERO / BANNER
   ============================================ */
.hero {
  position: relative;
  width: 100%;
  height: 75vh;
  min-height: 480px;
  max-height: 700px;
  overflow: hidden;
  margin-top: 72px;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(30, 58, 14, 0.6) 0%,
    rgba(30, 58, 14, 0.2) 50%,
    transparent 100%
  );
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  color: white;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(255,255,255,0.2);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-5xl);
  color: white;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
  text-align: left;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.9);
  max-width: 440px;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  letter-spacing: 1px;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(249, 115, 22, 0.4);
}

.btn-outline {
  background: rgba(255,255,255,0.1);
  color: white;
  border: 2px solid rgba(255,255,255,0.5);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.2);
  border-color: white;
}

/* ============================================
   PRODUCT GRID
   ============================================ */
.products-section {
  padding: var(--space-4xl) 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.product-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
  position: relative;
}

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

.product-card-image {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  position: relative;
}

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

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

.product-card-image .season-tag {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: var(--color-primary);
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 1px;
}

.product-card-body {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

.product-card-name {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-xs);
}

.product-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-card-origin {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.product-card-origin svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent);
}

.product-card-link {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
}

.product-card:hover .product-card-link {
  gap: 8px;
}

.product-card-link svg {
  width: 16px;
  height: 16px;
}

/* ============================================
   STORY / ABOUT SECTION (homepage)
   ============================================ */
.story-section {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-section);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.story-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.story-content {
  max-width: 500px;
}

.story-label {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.story-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--space-lg);
}

.story-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: var(--space-xl);
}

/* ============================================
   CONTACT SECTION (homepage CTA)
   ============================================ */
.cta-section {
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
  text-align: center;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.cta-text {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  max-width: 560px;
  margin: 0 auto var(--space-xl);
  line-height: 1.8;
}

.cta-info {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
}

.cta-info-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.cta-info-item .icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-info-item .icon-circle svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.cta-info-item .label {
  font-size: var(--font-size-sm);
  opacity: 0.7;
}

.cta-info-item .value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: 1px;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  color: white;
  font-weight: 700;
  letter-spacing: 2px;
}

.footer-text {
  font-size: var(--font-size-sm);
}

/* ============================================
   PRODUCT DETAIL PAGE
   ============================================ */
.product-detail {
  margin-top: 72px;
  padding: var(--space-2xl) 0 var(--space-4xl);
}

.product-detail-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
  margin-bottom: var(--space-3xl);
}

.product-main-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 96px;
}

.product-main-image img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

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

.product-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.product-breadcrumb a {
  color: var(--color-text-secondary);
}

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

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

.product-detail-name {
  font-family: var(--font-serif);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.product-detail-tags {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.product-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  background: rgba(45, 80, 22, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.product-detail-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.product-detail-features {
  margin-bottom: var(--space-xl);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
}

.feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-md);
  background: rgba(249, 115, 22, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature-text h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.feature-text p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.product-contact-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  color: white;
  margin-top: var(--space-xl);
}

.product-contact-card h3 {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

.product-contact-card p {
  opacity: 0.85;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

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

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: rgba(255,255,255,0.12);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.contact-method:hover {
  background: rgba(255,255,255,0.2);
}

.contact-method svg {
  width: 20px;
  height: 20px;
  min-width: 20px;
}

.contact-method .method-label {
  font-size: var(--font-size-xs);
  opacity: 0.7;
}

.contact-method .method-value {
  font-weight: 600;
  font-size: var(--font-size-base);
}

/* ============================================
   PRODUCT DETAIL - NEW CONTENT SECTIONS
   ============================================ */

/* -- Section Common -- */
.detail-section-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-md);
}

.detail-section-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  line-height: 1.8;
}

/* -- Advantages Section -- */
.detail-advantages {
  margin-top: var(--space-3xl);
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.advantage-card {
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.advantage-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.advantage-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.advantage-card h3 {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}

.advantage-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* -- Origin Gallery Section -- */
.detail-origin {
  padding: var(--space-3xl) 0;
}

.origin-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-lg);
}

.origin-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 260px;
  cursor: pointer;
}

.origin-card-large {
  grid-column: 1 / -1;
  min-height: 380px;
}

.origin-card-img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
}

.origin-card:hover .origin-card-img {
  transform: scale(1.06);
}

.origin-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl) var(--space-lg);
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
  color: white;
}

.origin-card-overlay h3 {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.origin-card-overlay p {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  opacity: 0.9;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* -- Promise Section -- */
.detail-promise {
  margin-top: var(--space-xl);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.promise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.promise-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.promise-number {
  font-family: var(--font-serif);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
}

.promise-label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.8);
  font-weight: 500;
}

.promise-text {
  font-size: var(--font-size-base);
  color: rgba(255,255,255,0.85);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.9;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-page {
  margin-top: 72px;
  padding: var(--space-3xl) 0 var(--space-4xl);
}

.contact-hero {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.contact-hero-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-4xl);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.contact-hero-text {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

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

.contact-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.contact-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(45, 80, 22, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
}

.contact-card-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.contact-card h3 {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}

.contact-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.contact-card .highlight {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 1px;
}

.contact-card .qr-placeholder {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-md) auto 0;
  border: 2px dashed var(--color-border);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* Story Section on Contact Page */
.contact-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.contact-story-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.contact-story-images .img-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.contact-story-images .img-wrapper.full-width {
  grid-column: 1 / -1;
}

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

.contact-story-content .story-label {
  text-align: left;
}

.contact-story-content .story-title {
  text-align: left;
}

.contact-story-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 2;
}

.contact-story-text p {
  margin-bottom: var(--space-md);
}

/* ============================================
   FLOATING CONTACT BUTTON
   ============================================ */
.floating-contact {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-end;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.float-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.float-btn-wechat {
  background: #07C160;
  color: white;
}

.float-btn-phone {
  background: var(--color-accent);
  color: white;
}

.float-btn svg {
  width: 24px;
  height: 24px;
}

/* WeChat Popup */
.wechat-popup {
  position: fixed;
  bottom: var(--space-xl);
  right: 96px;
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-xl);
  z-index: 1001;
  display: none;
  text-align: center;
  min-width: 240px;
  animation: popIn 0.3s ease;
}

.wechat-popup.show {
  display: block;
}

.wechat-popup h4 {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.wechat-popup .qr-img {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-md);
  background: var(--color-bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  border: 2px dashed var(--color-border);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.wechat-popup .close-popup {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-light);
  padding: var(--space-xs);
}

@keyframes popIn {
  from { opacity: 0; transform: translateX(20px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-2xl);
    gap: var(--space-lg);
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    height: 60vh;
    min-height: 400px;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

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

  .story-grid,
  .contact-grid,
  .contact-story,
  .product-detail-hero {
    grid-template-columns: 1fr;
  }

  .product-main-image {
    position: relative;
    top: 0;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .contact-hero-title {
    font-size: var(--font-size-3xl);
  }

  .product-detail-name {
    font-size: var(--font-size-3xl);
  }

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

  .origin-gallery {
    grid-template-columns: 1fr;
  }

  .origin-card {
    min-height: 220px;
  }

  .origin-card-large {
    min-height: 280px;
  }

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

  .detail-section-title {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: var(--font-size-2xl);
  }

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

  .floating-contact {
    bottom: var(--space-md);
    right: var(--space-md);
  }

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

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

  .promise-number {
    font-size: var(--font-size-3xl);
  }
}