/* ===== CSS Variables ===== */
:root {
  --gold: #8B6914;
  --gold-dark: #6B5010;
  --gold-light: #C8A96E;
  --gold-pale: #F5DEB3;
  --ink: #1A0A00;
  --ink-light: #5C3D10;
  --paper: #FFF8E7;
  --paper-dark: #F5F0E8;
  --warm-gray: #E8E0D0;
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', system-ui, sans-serif;
  --transition: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--ink-light);
  background: var(--paper);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== Utility ===== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 60px); }
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 600;
  color: var(--ink);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 4px;
}
.section-subtitle {
  font-size: clamp(13px, 1.5vw, 16px);
  color: var(--gold);
  text-align: center;
  margin-bottom: 48px;
  letter-spacing: 2px;
  font-weight: 400;
}
.section-divider {
  width: 60px;
  height: 2px;
  background: var(--gold-light);
  margin: 0 auto 48px;
  position: relative;
}
.section-divider::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: translate(-50%, -50%) rotate(45deg);
}

/* ===== Animations Keyframes ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes particleFall {
  0% { transform: translateY(-10px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}
@keyframes brushStroke {
  from { stroke-dashoffset: 1000; }
  to { stroke-dashoffset: 0; }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(139,105,20,0.2); }
  50% { box-shadow: 0 0 40px rgba(139,105,20,0.4); }
}
@keyframes heroBgZoom {
  0% { transform: scale(1.05); filter: blur(0px) brightness(0.35); }
  50% { transform: scale(1.12); filter: blur(1px) brightness(0.3); }
  100% { transform: scale(1.05); filter: blur(0px) brightness(0.35); }
}
@keyframes timelinePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(139,105,20,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(139,105,20,0); }
}
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s var(--transition), transform 0.8s var(--transition); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ===== Gold Particles Canvas ===== */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* ===== Mouse Glow ===== */
#mouse-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,169,110,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9998;
  will-change: transform;
  transition: opacity 0.3s;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s var(--transition);
}
.navbar.scrolled {
  background: rgba(26,10,0,0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 6px;
  transition: color 0.3s;
}
.navbar:not(.scrolled) .nav-logo { color: var(--gold); }
.navbar.scrolled .nav-logo { color: var(--gold); }
.nav-logo span {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 2px;
  color: var(--gold-light);
  display: block;
  margin-top: -2px;
}
.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,248,231,0.8);
  letter-spacing: 1px;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s;
}
.navbar:not(.scrolled) .nav-links a { color: rgba(255,248,231,0.85); }
.navbar.scrolled .nav-links a { color: rgba(255,248,231,0.8); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s var(--transition);
}
.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  padding: 8px 24px;
  font-size: 13px !important;
  letter-spacing: 2px;
  transition: all 0.3s var(--transition) !important;
  cursor: pointer;
}
.nav-cta:hover {
  background: var(--gold) !important;
  color: var(--ink) !important;
}
.nav-cta::after { display: none !important; }

/* Mobile menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold);
  transition: all 0.3s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(26,10,0,0.97);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  opacity: 0;
  transition: opacity 0.4s;
}
.mobile-menu.active { display: flex; opacity: 1; }
.mobile-menu a {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--paper);
  letter-spacing: 4px;
  transition: color 0.3s;
}
.mobile-menu a:hover { color: var(--gold); }

/* ===== Hero Section ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0D0700 0%, #1A0A00 50%, #2A1500 100%);
}
.hero-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: center center / cover no-repeat;
  opacity: 0;
  transition: opacity 1.5s ease;
  z-index: 0;
}
.hero-bg-img.loaded {
  opacity: 1;
  animation: heroBgZoom 20s ease-in-out infinite;
  will-change: transform, filter;
  z-index: 0;
}
.hero-bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 0;
  display: none;
}
.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(13,7,0,0.85) 0%, rgba(26,10,0,0.7) 30%, rgba(42,21,0,0.6) 60%, rgba(26,10,0,0.8) 100%),
    radial-gradient(circle at 20% 50%, rgba(200,169,110,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(200,169,110,0.08) 0%, transparent 50%);
}
.hero-bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.04;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(200,169,110,0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(200,169,110,0.2) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(200,169,110,0.15) 0%, transparent 50%);
}
.hero-pattern-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.03;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
}
.hero-badge {
  display: inline-block;
  border: 1px solid rgba(200,169,110,0.4);
  padding: 6px 24px;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--gold-light);
  margin-bottom: 32px;
  animation: fadeIn 1.2s var(--transition) 0.2s both;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(48px, 8vw, 100px);
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 12px;
  margin-bottom: 8px;
  animation: fadeInUp 1s var(--transition) 0.4s both;
  text-shadow: 0 0 60px rgba(200,169,110,0.2);
}
.hero-title-gold {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 30%, var(--gold-pale) 50%, var(--gold) 70%, var(--gold-light) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 6s linear infinite;
}
.hero-slogan {
  font-family: var(--font-serif);
  font-size: clamp(16px, 2.5vw, 24px);
  color: var(--gold-light);
  letter-spacing: 8px;
  margin-bottom: 48px;
  font-weight: 400;
  animation: fadeInUp 1s var(--transition) 0.6s both;
}
.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  animation: fadeInUp 1s var(--transition) 0.8s both;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--ink);
  padding: 14px 40px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 3px;
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(139,105,20,0.4);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--gold);
  padding: 14px 40px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 3px;
  border: 1px solid var(--gold);
  cursor: pointer;
  transition: all 0.4s var(--transition);
}
.btn-outline:hover {
  background: rgba(139,105,20,0.1);
  transform: translateY(-2px);
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(200,169,110,0.5);
  font-size: 11px;
  letter-spacing: 3px;
  animation: float 3s ease-in-out infinite;
  z-index: 2;
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold-light), transparent);
}

/* ===== Brand Story Section ===== */
.brand-story {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--paper);
  position: relative;
}
.brand-story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.brand-story-image {
  position: relative;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--paper-dark), var(--warm-gray));
  overflow: hidden;
}
.brand-story-image::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: 20px;
  bottom: 20px;
  border: 1px solid var(--gold-light);
  z-index: 1;
}
.brand-story-image-inner {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2A1500, #1A0A00);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.brand-story-image-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}
.brand-story-image-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 40%, rgba(200,169,110,0.08), transparent 70%);
  z-index: 1;
  pointer-events: none;
}
.brand-story-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2A1500 0%, #1A0A00 40%, #0D0500 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.brand-story-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(200,169,110,0.1), transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(200,169,110,0.06), transparent 50%);
  pointer-events: none;
}
.brand-placeholder-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--gold-light);
}
.brand-placeholder-icon {
  font-family: var(--font-serif);
  font-size: clamp(64px, 10vw, 120px);
  font-weight: 700;
  color: rgba(200,169,110,0.2);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: 8px;
}
.brand-placeholder-year {
  font-family: var(--font-serif);
  font-size: clamp(18px, 3vw, 28px);
  color: var(--gold);
  letter-spacing: 6px;
  margin-bottom: 8px;
}
.brand-placeholder-sub {
  font-size: clamp(12px, 1.5vw, 16px);
  color: var(--gold-light);
  letter-spacing: 4px;
  opacity: 0.7;
}
.brand-story-text h3 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 36px);
  color: var(--ink);
  margin-bottom: 24px;
  letter-spacing: 3px;
  line-height: 1.4;
}
.brand-story-text h3 em {
  font-style: normal;
  color: var(--gold);
}
.brand-story-text p {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-light);
  margin-bottom: 16px;
}
.brand-story-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--warm-gray);
}
.stat-item .stat-number {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.stat-item .stat-number span {
  font-size: 16px;
  font-weight: 400;
  color: var(--gold-light);
  margin-left: 2px;
}
.stat-item .stat-label {
  font-size: 13px;
  color: var(--ink-light);
  margin-top: 8px;
  letter-spacing: 1px;
}

/* ===== ICH Inheritor Section (非遗传承人) ===== */
.ich-section {
  padding: clamp(80px, 10vw, 140px) 0;
  background: linear-gradient(135deg, #1A0A00 0%, #2A1500 50%, #1A0A00 100%);
  position: relative;
  overflow: hidden;
}
.ich-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 25% 50%, rgba(139,105,20,0.06) 0%, transparent 50%),
    radial-gradient(circle at 75% 50%, rgba(139,105,20,0.04) 0%, transparent 50%);
}
.ich-section .section-title { color: var(--paper); }
.ich-section .section-subtitle { color: var(--gold-light); }
.ich-section .section-divider { background: var(--gold); opacity: 0.5; }
.ich-section .section-divider::after { background: var(--gold); }
.ich-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.ich-portrait {
  position: relative;
}
.ich-portrait-frame {
  aspect-ratio: 3/4;
  background: linear-gradient(145deg, #2A1500, #1A0A00);
  border: 1px solid rgba(200,169,110,0.25);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 400px;
  margin: 0 auto;
}
.ich-portrait-frame::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  bottom: 16px;
  border: 1px solid rgba(200,169,110,0.15);
  z-index: 2;
  pointer-events: none;
}
.ich-portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ich-portrait-badge {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--ink);
  padding: 8px 28px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 3px;
  font-weight: 600;
  white-space: nowrap;
  z-index: 2;
}
.ich-portrait-deco {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 60px;
  height: 60px;
  border: 1px solid rgba(200,169,110,0.3);
  z-index: 2;
}
.ich-info h3 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.5vw, 40px);
  color: var(--gold);
  letter-spacing: 4px;
  margin-bottom: 8px;
}
.ich-info .ich-title-tag {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 4px 16px;
  font-size: 11px;
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.ich-info p {
  font-size: 15px;
  line-height: 2;
  color: rgba(255,248,231,0.75);
  margin-bottom: 16px;
}
.ich-quotes {
  margin-top: 32px;
  padding: 24px;
  border-left: 2px solid var(--gold);
  background: rgba(200,169,110,0.03);
}
.ich-quotes p {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--gold-light);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 0;
}
.ich-quotes .quote-author {
  font-family: var(--font-sans);
  font-size: 12px;
  color: rgba(200,169,110,0.6);
  margin-top: 12px;
  font-style: normal;
  letter-spacing: 2px;
}

/* ===== Star Product Section ===== */
.star-product {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.star-product::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 50%, rgba(139,105,20,0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(139,105,20,0.05) 0%, transparent 50%);
}
.star-product .section-title { color: var(--paper); }
.star-product .section-subtitle { color: var(--gold-light); }
.star-product .section-divider { background: var(--gold); opacity: 0.5; }
.star-product .section-divider::after { background: var(--gold); }
.star-product-content {
  position: relative;
  z-index: 1;
}
.star-product-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.star-product-visual {
  position: relative;
  perspective: 1000px;
}
.star-product-card {
  position: relative;
  aspect-ratio: 1;
  max-width: 480px;
  margin: 0 auto;
  transform-style: preserve-3d;
  transition: transform 0.6s var(--transition);
  cursor: pointer;
}
.star-product-card:hover { transform: rotateY(8deg) rotateX(4deg); }
.star-product-card-face {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, #2A1500 0%, #1A0A00 50%, #0D0700 100%);
  border: 1px solid rgba(200,169,110,0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: relative;
  overflow: hidden;
}
.star-product-card-face::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  bottom: 20px;
  border: 1px solid rgba(200,169,110,0.15);
}
.star-product-card-face .product-icon {
  font-family: var(--font-serif);
  font-size: 80px;
  color: rgba(200,169,110,0.06);
  margin-bottom: 20px;
}
.star-product-card-face .product-name-big {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 56px);
  color: var(--gold);
  letter-spacing: 8px;
  font-weight: 700;
  text-shadow: 0 0 40px rgba(200,169,110,0.3);
}
.star-product-card-face .product-name-en {
  font-size: 12px;
  letter-spacing: 4px;
  color: rgba(200,169,110,0.4);
  margin-top: 12px;
  text-transform: uppercase;
}
.star-product-card-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(200,169,110,0.15) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  animation: pulseGlow 3s ease-in-out infinite;
}
.star-product-info h3 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 36px);
  color: var(--paper);
  letter-spacing: 3px;
  margin-bottom: 8px;
}
.star-product-info .product-tag {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 4px 16px;
  font-size: 11px;
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.star-product-info p {
  font-size: 15px;
  line-height: 2;
  color: rgba(255,248,231,0.7);
  margin-bottom: 16px;
}
.star-product-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid rgba(200,169,110,0.15);
  transition: all 0.3s;
}
.feature-item:hover {
  border-color: var(--gold);
  background: rgba(139,105,20,0.05);
}
.feature-dot {
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.feature-item span {
  font-size: 13px;
  color: rgba(255,248,231,0.8);
  letter-spacing: 1px;
}

/* ===== Product Matrix Section ===== */
.product-matrix {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--paper);
}
.product-tabs-wrap {
  text-align: center;
  margin-bottom: 48px;
}
.product-tabs {
  display: inline-flex;
  border: 1px solid var(--warm-gray);
}
.product-tab {
  padding: 12px 32px;
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--ink-light);
  cursor: pointer;
  transition: all 0.3s;
  border-right: 1px solid var(--warm-gray);
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  position: relative;
}
.product-tab:last-child { border-right: none; }
.product-tab.active {
  background: var(--ink);
  color: var(--gold);
}
.product-tab:hover:not(.active) {
  color: var(--gold);
  background: rgba(139,105,20,0.05);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: white;
  border: 1px solid var(--warm-gray);
  padding: 0;
  transition: all 0.4s var(--transition);
  cursor: pointer;
  overflow: hidden;
  position: relative;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(139,105,20,0.1);
  border-color: var(--gold-light);
}
.product-card-img {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--paper-dark), var(--warm-gray));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--transition);
}
.product-card:hover .product-card-img img {
  transform: scale(1.08);
}
.product-card-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: linear-gradient(to top, white, transparent);
}
.product-card-body {
  padding: 20px;
}
.product-card-name {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink);
  letter-spacing: 2px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: color 0.3s;
}
.product-card-name:hover { color: var(--gold); }
.product-card-desc {
  font-size: 12px;
  color: var(--ink-light);
  opacity: 0.7;
  line-height: 1.6;
}
.product-card-tag {
  display: inline-block;
  margin-top: 12px;
  font-size: 10px;
  color: var(--gold);
  border: 1px solid rgba(139,105,20,0.2);
  padding: 2px 10px;
  letter-spacing: 1px;
}
/* click hint */
.product-card-img .click-hint {
  position: absolute;
  bottom: 12px;
  right: 12px;
  font-size: 10px;
  color: rgba(139,105,20,0.4);
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity 0.3s;
}
.product-card:hover .click-hint { opacity: 1; }

/* ===== Product Modal ===== */
.product-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26,10,0,0.85);
  backdrop-filter: blur(10px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s;
}
.product-modal-overlay.active {
  display: flex;
  opacity: 1;
}
.product-modal {
  background: var(--paper);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  border: 1px solid var(--gold-light);
  animation: fadeInUp 0.4s var(--transition) both;
}
.product-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  background: var(--ink);
  border: 1px solid rgba(200,169,110,0.3);
  color: var(--gold-light);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 2;
  line-height: 1;
}
.product-modal-close:hover {
  background: var(--gold);
  color: var(--ink);
}
.product-modal-img {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #2A1500, #1A0A00);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-modal-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-modal-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(to top, var(--paper), transparent);
}

/* 侧边浮动栏弹窗图片样式 — 居中展示（适合二维码、客服图片等） */
.product-modal-overlay[data-source="sideFloat"] .product-modal-img {
  aspect-ratio: auto;
  background: #FFFFFF;
  padding: 32px;
  min-height: 200px;
  max-height: 420px;
}
.product-modal-overlay[data-source="sideFloat"] .product-modal-img img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 360px;
  object-fit: contain;
}
.product-modal-overlay[data-source="sideFloat"] .product-modal-img::after {
  display: none;
}
.product-modal-body {
  padding: clamp(24px, 4vw, 48px);
}
.product-modal-name {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 36px);
  color: var(--ink);
  letter-spacing: 4px;
  margin-bottom: 8px;
}
.product-modal-tag {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 4px 16px;
  font-size: 11px;
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.product-modal-desc {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-light);
  margin-bottom: 16px;
}
.product-modal-desc:empty {
  display: none;
}
.product-modal-detail {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-light);
  margin-bottom: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--warm-gray);
}
.product-modal-detail h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.product-modal-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--ink);
  padding: 12px 32px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--transition);
}
.product-modal-btn:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}

/* ===== Media Coverage Section ===== */
.media-section {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--paper);
  position: relative;
}
.media-section .section-title { color: var(--ink); }
.media-section .section-subtitle { color: var(--gold); }
.media-section .section-divider { background: var(--gold-light); }
.media-section .section-divider::after { background: var(--gold); }

/* Filter buttons */
.media-filter {
  text-align: center;
  margin-bottom: 48px;
}
.media-filter-btn {
  display: inline-block;
  padding: 10px 28px;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--ink-light);
  cursor: pointer;
  transition: all 0.3s;
  border: 1px solid var(--warm-gray);
  background: transparent;
  font-family: var(--font-sans);
  margin: 0 4px;
}
.media-filter-btn.active {
  background: var(--ink);
  color: var(--gold);
  border-color: var(--ink);
}
.media-filter-btn:hover:not(.active) {
  color: var(--gold);
  border-color: var(--gold-light);
}

/* Card grid */
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.media-card {
  background: white;
  border: 1px solid var(--warm-gray);
  overflow: hidden;
  transition: all 0.4s var(--transition);
  cursor: pointer;
  position: relative;
}
.media-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(139,105,20,0.1);
  border-color: var(--gold-light);
}

/* Cover area */
.media-card-cover {
  aspect-ratio: 16/10;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--paper-dark), var(--warm-gray));
}
.media-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--transition);
}
.media-card:hover .media-card-cover img {
  transform: scale(1.06);
}

/* Video play button overlay */
.media-card-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(139,105,20,0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  pointer-events: none;
}
.media-card-play::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent white;
  margin-left: 3px;
}
.media-card:hover .media-card-play {
  background: var(--gold);
  transform: translate(-50%, -50%) scale(1.1);
}

/* Source badge on cover */
.media-card-source {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(26,10,0,0.8);
  color: var(--gold-light);
  padding: 4px 12px;
  font-size: 11px;
  letter-spacing: 1px;
  z-index: 2;
}

/* Type badge (article/video) */
.media-card-type {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  background: var(--gold);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  z-index: 2;
}

/* Card body */
.media-card-body {
  padding: 20px;
}
.media-card-title {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink);
  letter-spacing: 1px;
  line-height: 1.6;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.media-card-summary {
  font-size: 13px;
  color: var(--ink-light);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.media-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--gold-dark);
  letter-spacing: 1px;
}
.media-card-date {
  opacity: 0.7;
}

/* Video modal */
.video-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26,10,0,0.9);
  backdrop-filter: blur(10px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.video-modal-overlay.active {
  display: flex;
}
.video-modal {
  background: var(--paper);
  max-width: 800px;
  width: 100%;
  position: relative;
  border: 1px solid var(--gold-light);
  animation: fadeInUp 0.4s var(--transition) both;
}
.video-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  background: var(--ink);
  border: 1px solid rgba(200,169,110,0.3);
  color: var(--gold-light);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 2;
  line-height: 1;
}
.video-modal-close:hover {
  background: var(--gold);
  color: var(--ink);
}
.video-modal-video {
  aspect-ratio: 16/9;
  background: #000;
  width: 100%;
}
.video-modal-video video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.video-modal-body {
  padding: 24px 28px;
}
.video-modal-title {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--ink);
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.video-modal-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--gold-dark);
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.video-modal-summary {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-light);
}

/* Article modal (reuse product modal with tweaks) */
.product-modal-overlay[data-source="mediaArticle"] .product-modal-body {
  padding: clamp(24px, 4vw, 40px);
}
.product-modal-overlay[data-source="mediaArticle"] .modal-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 1px;
  transition: gap 0.3s;
}
.product-modal-overlay[data-source="mediaArticle"] .modal-link-btn:hover {
  gap: 10px;
}

/* Media responsive */
@media (max-width: 1024px) {
  .media-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .media-grid { grid-template-columns: 1fr; }
  .media-filter-btn { padding: 8px 16px; font-size: 12px; }
  .video-modal { max-width: 95vw; }
}

/* ===== Craft / Honor / Gift Section ===== */
.tri-section {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--paper-dark);
}
.tri-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.tri-card {
  background: var(--paper);
  padding: 48px 36px;
  border: 1px solid var(--warm-gray);
  transition: all 0.4s var(--transition);
  position: relative;
  overflow: hidden;
}
.tri-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.tri-card:hover::before { opacity: 1; }
.tri-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(139,105,20,0.08);
}
.tri-icon {
  width: 56px;
  height: 56px;
  border: 1px solid var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--gold);
}
.tri-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--ink);
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.tri-card p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-light);
  margin-bottom: 12px;
}
.tri-card .tri-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 1px;
  margin-top: 16px;
  transition: gap 0.3s;
}
.tri-card:hover .tri-link { gap: 12px; }

/* ===== Timeline Section (时间流) ===== */

/* ===== Honor Scroll Section ===== */
.honor-scroll-section {
  padding: clamp(60px, 8vw, 100px) 0 clamp(80px, 10vw, 120px);
  background: var(--paper-dark);
  position: relative;
  overflow: hidden;
}
.honor-scroll-section .section-title { color: var(--ink); }
.honor-scroll-section .section-subtitle { color: var(--gold); }
.honor-scroll-section .section-divider { background: var(--gold-light); }
.honor-scroll-section .section-divider::after { background: var(--gold); }
.honor-scroll-wrap {
  overflow: hidden;
  width: 100%;
  position: relative;
  z-index: 1;
  margin-top: 16px;
}
.honor-scroll-wrap::before,
.honor-scroll-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  width: 120px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.honor-scroll-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--paper-dark), transparent);
}
.honor-scroll-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--paper-dark), transparent);
}
.honor-scroll-track {
  display: flex;
  gap: 24px;
  animation: honorScroll 30s linear infinite;
  width: max-content;
}
.honor-scroll-track:hover {
  animation-play-state: paused;
}
@keyframes honorScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.honor-scroll-item {
  flex-shrink: 0;
  width: 240px;
}
.honor-cert-card {
  background: rgba(200,169,110,0.04);
  border: 1px solid rgba(200,169,110,0.15);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
  height: 100%;
  cursor: pointer;
  position: relative;
}
.honor-cert-card:hover {
  border-color: var(--gold);
  background: rgba(139,105,20,0.08);
  transform: translateY(-4px);
}
.honor-cert-card .card-click-hint {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-size: 10px;
  color: var(--gold-light);
  opacity: 0;
  transition: opacity 0.3s;
  letter-spacing: 1px;
}
.honor-cert-card:hover .card-click-hint { opacity: 1; }
.honor-cert-icon {
  width: 100%;
  aspect-ratio: 3/2;
  margin: 0 auto 20px;
  border: 1px solid rgba(200,169,110,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2A1500, #1A0A00);
  overflow: hidden;
  position: relative;
}
.honor-cert-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.honor-cert-icon::after {
  content: '';
  position: absolute;
  top: 8px; left: 8px; right: 8px; bottom: 8px;
  border: 1px solid rgba(200,169,110,0.12);
  pointer-events: none;
}
.honor-cert-title {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--ink);
  letter-spacing: 2px;
  margin-bottom: 8px;
  line-height: 1.5;
}
.honor-cert-year {
  font-size: 12px;
  color: var(--gold-dark);
  letter-spacing: 1px;
}

/* ===== Media Scroll Section (horizontal scroll like honor scroll) ===== */
.media-scroll-wrap {
  overflow: hidden;
  width: 100%;
  position: relative;
  z-index: 1;
  margin-top: 16px;
}
.media-scroll-wrap::before,
.media-scroll-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  width: 120px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.media-scroll-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--paper), transparent);
}
.media-scroll-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--paper), transparent);
}
.media-scroll-track {
  display: flex;
  gap: 24px;
  animation: mediaScroll 40s linear infinite;
  width: max-content;
}
.media-scroll-track:hover {
  animation-play-state: paused;
}
@keyframes mediaScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.media-scroll-item {
  flex-shrink: 0;
  width: 280px;
}
.media-scroll-card {
  background: rgba(200,169,110,0.04);
  border: 1px solid rgba(200,169,110,0.15);
  padding: 20px;
  text-align: center;
  transition: all 0.3s;
  height: 100%;
  cursor: pointer;
  position: relative;
}
.media-scroll-card:hover {
  border-color: var(--gold);
  background: rgba(139,105,20,0.08);
  transform: translateY(-4px);
}
.media-scroll-cover {
  width: 100%;
  aspect-ratio: 16/9;
  margin: 0 auto 16px;
  border: 1px solid rgba(200,169,110,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2A1500, #1A0A00);
  overflow: hidden;
  position: relative;
}
.media-scroll-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-scroll-cover::after {
  content: '';
  position: absolute;
  top: 6px; left: 6px; right: 6px; bottom: 6px;
  border: 1px solid rgba(200,169,110,0.12);
  pointer-events: none;
}
.media-scroll-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: rgba(139,105,20,0.85);
  border-radius: 50%;
  z-index: 2;
}
.media-scroll-play::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: 8px 0 8px 14px;
  border-color: transparent transparent transparent #FFF8E7;
}
.media-scroll-type {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(26,10,0,0.75);
  color: var(--gold-light);
  font-size: 11px;
  padding: 2px 8px;
  z-index: 2;
}
.media-scroll-title {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink);
  letter-spacing: 1px;
  margin-bottom: 8px;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.media-scroll-meta {
  font-size: 11px;
  color: var(--gold-dark);
  letter-spacing: 1px;
}

/* ===== Timeline Section (时间流) ===== */
.timeline-section {
  padding: clamp(60px, 8vw, 100px) 0;
  background: var(--paper-dark);
  position: relative;
}
.timeline-section .section-title { color: var(--ink); }
.timeline-section .section-subtitle { color: var(--gold); }
.timeline-section .section-divider { background: var(--gold-light); }
.timeline-section .section-divider::after { background: var(--gold); }
.timeline-wrap {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--gold-light), var(--gold-light), transparent);
  transform: translateX(-50%);
}
.timeline-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  margin-bottom: 60px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item:nth-child(odd) { flex-direction: row; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-item:nth-child(odd) .timeline-content { text-align: right; padding-right: 60px; }
.timeline-item:nth-child(even) .timeline-content { text-align: left; padding-left: 60px; }
.timeline-content {
  width: 50%;
}
.timeline-dot {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 16px;
  height: 16px;
  background: var(--gold);
  border: 3px solid var(--paper);
  transform: translateX(-50%);
  z-index: 2;
  animation: timelinePulse 3s ease-in-out infinite;
}
.timeline-year {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.timeline-title {
  font-family: var(--font-serif);
  font-size: clamp(16px, 2vw, 20px);
  color: var(--ink);
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.timeline-desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-light);
}

/* ===== City & Map Section ===== */
.city-section {
  padding: clamp(80px, 10vw, 140px) 0 clamp(40px, 5vw, 60px);
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.city-section .section-title { color: var(--paper); }
.city-section .section-subtitle { color: var(--gold-light); }
.city-section .section-divider { background: var(--gold); opacity: 0.5; }
.city-section .section-divider::after { background: var(--gold); }
.city-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
}
.city-heritage { position: relative; z-index: 1; }
.city-heritage h3 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 32px);
  color: var(--paper);
  letter-spacing: 3px;
  margin-bottom: 24px;
}
.city-heritage p {
  font-size: 15px;
  line-height: 2;
  color: rgba(255,248,231,0.7);
  margin-bottom: 16px;
}
.heritage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.heritage-tag {
  border: 1px solid rgba(200,169,110,0.3);
  padding: 6px 18px;
  font-size: 12px;
  color: var(--gold-light);
  letter-spacing: 1px;
  transition: all 0.3s;
}
.heritage-tag:hover {
  border-color: var(--gold);
  background: rgba(139,105,20,0.1);
}
.city-map {
  position: relative;
  z-index: 1;
}
.city-map-image {
  aspect-ratio: 4/3;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(200,169,110,0.15);
  background: rgba(200,169,110,0.03);
}
.city-map-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.city-map-image .city-map-placeholder-inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.city-map-placeholder-inner .map-pin-icon {
  font-size: 48px;
  color: rgba(200,169,110,0.4);
}
.city-map-placeholder-inner .map-click-hint {
  font-size: 13px;
  color: rgba(200,169,110,0.4);
  letter-spacing: 2px;
}
.city-stores-info {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(200,169,110,0.12);
}
.city-stores-info .store-info {
  margin-bottom: 12px;
}
.city-stores-info .store-name {
  font-family: var(--font-serif);
  font-size: 15px;
  color: rgba(255,248,231,0.9);
  letter-spacing: 2px;
  margin-bottom: 4px;
}
.city-stores-info .store-address {
  font-size: 13px;
  color: rgba(255,248,231,0.5);
  line-height: 1.8;
}

/* ===== Footer ===== */
.footer {
  background: #0D0700;
  padding: 40px 0 0;
  color: rgba(255,248,231,0.6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(200,169,110,0.1);
}
/* 三栏链接区横向并排 */
.footer-columns {
  display: flex;
  gap: 32px;
}
.footer-col {
  flex: 1;
}
.footer-brand .footer-logo {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--gold);
  letter-spacing: 6px;
  margin-bottom: 8px;
}
.footer-brand .footer-logo-sub {
  font-size: 11px;
  color: rgba(200,169,110,0.5);
  letter-spacing: 3px;
  margin-bottom: 20px;
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,248,231,0.5);
}
.footer-col h4 {
  font-size: 14px;
  color: var(--gold-light);
  letter-spacing: 2px;
  margin-bottom: 20px;
  font-weight: 500;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255,248,231,0.5);
  margin-bottom: 12px;
  transition: color 0.3s;
  letter-spacing: 1px;
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255,248,231,0.3);
  letter-spacing: 1px;
}
.footer-social {
  display: flex;
  gap: 16px;
}
.social-icon-wrap {
  position: relative;
  display: inline-flex;
}
.social-icon-wrap a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(200,169,110,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: rgba(200,169,110,0.5);
  transition: all 0.3s;
}
.social-icon-wrap a:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(139,105,20,0.1);
}
.social-qr {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 120px;
  background: #FFF8E7;
  border: 1px solid var(--gold);
  border-radius: 8px;
  padding: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
}
.social-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.social-icon-wrap:hover .social-qr {
  opacity: 1;
  visibility: visible;
}
.social-qr::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid var(--gold);
}

/* ===== Side Floating Bar ===== */
.side-float {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.side-float-item {
  width: 48px;
  height: 48px;
  background: rgba(26,10,0,0.9);
  border: 1px solid rgba(200,169,110,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 18px;
  color: var(--gold-light);
}
.side-float-item:hover {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}
.side-float-item .sf-tooltip {
  position: absolute;
  right: 56px;
  background: var(--ink);
  color: var(--paper);
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 1px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.side-float-item:hover .sf-tooltip { opacity: 1; }
.back-to-top {
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Data Loader Bar (file:// protocol helper) ===== */
.data-loader-bar {
  position: fixed;
  bottom: 80px;
  left: 16px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(26,10,0,0.92);
  border: 1px solid rgba(200,169,110,0.35);
  padding: 7px 12px;
  font-size: 12px;
  color: rgba(255,248,231,0.7);
  transition: all 0.3s;
}
.data-loader-btn {
  background: var(--gold);
  color: var(--ink);
  border: none;
  padding: 5px 12px;
  font-size: 12px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.3s;
  flex-shrink: 0;
}
.data-loader-btn:hover { background: var(--gold-light); }
.data-loader-label { white-space: nowrap; }
@media (max-width: 768px) {
  .data-loader-bar { display: none; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .brand-story-grid { grid-template-columns: 1fr; }
  .brand-story-image { max-height: 400px; }
  .brand-story-stats { grid-template-columns: repeat(2, 1fr); }
  .ich-content { grid-template-columns: 1fr; text-align: center; }
  .ich-portrait-frame { max-width: 320px; }
  .ich-quotes { text-align: left; }
  .star-product-showcase { grid-template-columns: 1fr; }
  .star-product-card { max-width: 360px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .tri-grid { grid-template-columns: 1fr; }
  /* Timeline responsive - stack vertically */
  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) { flex-direction: row; }
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content { text-align: left; padding-left: 50px; padding-right: 0; }
  .timeline-line { left: 8px; }
  .timeline-dot { left: 8px; }
  .timeline-content { width: 100%; }
  .city-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-columns { flex-wrap: wrap; gap: 24px; }
  .side-float { display: none; }
}
@media (max-width: 640px) {
  .hero-title { letter-spacing: 6px; }
  .hero-slogan { letter-spacing: 4px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; max-width: 260px; justify-content: center; }
  .product-tabs { flex-wrap: wrap; }
  .product-tab { padding: 10px 20px; font-size: 13px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .brand-story-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .star-product-features { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-columns { flex-direction: column; gap: 20px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .tri-card { padding: 32px 24px; }
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content { padding-left: 40px; }
  .product-modal { max-width: 95vw; }
  .product-modal-body { padding: 20px; }
}