/* ============================================
   羚晨鲜果 Official Website
   Style: Grand / Premium Brand
   ============================================ */

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

:root {
  --color-bg: #FAFAF8;
  --color-bg-warm: #F5F3EE;
  --color-bg-cream: #F0EDE6;
  --color-text: #2C2C2C;
  --color-text-light: #7A7A72;
  --color-text-muted: #A8A89E;
  --color-accent: #5A7048;
  --color-accent-light: #8FA07E;
  --color-accent-gold: #C8A96E;
  --color-border: #E5E3DC;
  --color-white: #FFFFFF;
  --color-dark: #1E1E1E;
  --color-dark-surface: #2A2A2A;
  --font-serif: 'Noto Serif SC', 'Songti SC', Georgia, serif;
  --font-sans: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Helvetica Neue', sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;
  --transition: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  font-weight: 300;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background: var(--color-accent);
  color: var(--color-white);
}

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

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

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

.container--narrow {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* --- Section Divider --- */
.section-divider {
  display: flex;
  justify-content: center;
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}

.section-divider span {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-accent-gold);
  opacity: 0.5;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 0;
  transition: background 0.5s ease, padding 0.5s ease, box-shadow 0.5s ease;
  background: transparent;
}

/* .scrolled class only applied once user is past the hero section */
.nav.scrolled {
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem 0;
  box-shadow: 0 1px 0 var(--color-border);
}

/* Force nav transparent while inside hero — highest specificity override */
.nav.in-hero {
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: none !important;
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  position: relative;
  font-weight: 400;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--color-text);
}

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

.nav-cta {
  padding: 0.5rem 1.5rem !important;
  border: 1px solid var(--color-text);
  border-radius: 0;
  font-size: 0.75rem !important;
  letter-spacing: 0.12em !important;
  transition: all 0.3s ease !important;
}

.nav-cta:hover {
  background: var(--color-text) !important;
  color: var(--color-white) !important;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: all 0.3s ease;
}

/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(139, 169, 120, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(200, 180, 140, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-warm) 100%);
}

/* Scroll-driven background image layer — fades in as user scrolls */
.hero-bg-image {
  position: absolute;
  inset: 0;
  background-image: url("images/hero-bg.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  will-change: opacity;
  z-index: 0;
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.hero-lottie-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 var(--space-md);
}

.hero-sub {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  font-weight: 300;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: 0.15em;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  cursor: default;
}

/* 山川文字效果 */
.hero-title-text {
  -webkit-text-fill-color: var(--color-text);
  transition: -webkit-text-fill-color 0.6s ease;
  background:
    radial-gradient(ellipse 120px 25px at 20% 30%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(ellipse 150px 30px at 65% 20%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(ellipse 100px 20px at 85% 45%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(ellipse 180px 80px at 15% 75%, #8a9e7a 0%, transparent 70%),
    radial-gradient(ellipse 200px 90px at 50% 68%, #7a9068 0%, transparent 70%),
    radial-gradient(ellipse 160px 75px at 85% 72%, #8a9e7a 0%, transparent 70%),
    radial-gradient(ellipse 150px 70px at 30% 85%, #5a7a4a 0%, transparent 65%),
    radial-gradient(ellipse 170px 80px at 70% 80%, #4a6e3e 0%, transparent 65%),
    linear-gradient(180deg, transparent 82%, #92aa82 88%, #7a9a6e 95%, #6a8a5e 100%),
    linear-gradient(180deg, #c8d8c0 0%, #d5e0ca 35%, #dde8d2 55%, #e5edd8 75%, #eaf0de 100%);
  background-size:
    120px 25px, 150px 30px, 100px 20px,
    180px 80px, 200px 90px, 160px 75px,
    150px 70px, 170px 80px,
    100% 100%, 100% 100%;
  background-position:
    20% 30%, 65% 20%, 85% 45%,
    15% 75%, 50% 68%, 85% 72%,
    30% 85%, 70% 80%,
    0 0, 0 0;
  background-repeat: no-repeat;
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-title:hover .hero-title-text {
  -webkit-text-fill-color: transparent;
  animation: heroCloudShift 8s ease-in-out infinite;
}

@keyframes heroCloudShift {
  0% {
    background-position:
      20% 30%, 65% 20%, 85% 45%,
      15% 75%, 50% 68%, 85% 72%,
      30% 85%, 70% 80%,
      0 0, 0 0;
  }
  33% {
    background-position:
      28% 28%, 58% 22%, 78% 42%,
      15% 75%, 50% 68%, 85% 72%,
      30% 85%, 70% 80%,
      0 0, 0 0;
  }
  66% {
    background-position:
      15% 32%, 72% 18%, 90% 48%,
      15% 75%, 50% 68%, 85% 72%,
      30% 85%, 70% 80%,
      0 0, 0 0;
  }
  100% {
    background-position:
      20% 30%, 65% 20%, 85% 45%,
      15% 75%, 50% 68%, 85% 72%,
      30% 85%, 70% 80%,
      0 0, 0 0;
  }
}

.hero-desc {
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--color-text-light);
  font-weight: 300;
}

/* Hero Scene Pills */
.hero-scenes {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.hero-scene-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.55rem 1.4rem;
  border: 1px solid var(--color-border);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  transition: all 0.35s ease;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
}

.hero-scene-pill:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(255,255,255,0.8);
  transform: translateY(-2px);
}

.pill-icon {
  display: flex;
  align-items: center;
  opacity: 0.6;
}

.hero-scene-pill:hover .pill-icon {
  opacity: 1;
}

.hero-arrow {
  display: inline-block;
  margin-top: var(--space-lg);
  color: var(--color-text-muted);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* Fade up animation */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s ease forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   关于我们 (Brand Story) — 暗色大片感排版
   深色图片背景 + 米白/金色文字 + 引文式叙事
   ============================================ */
.section--story {
  position: relative;
  overflow: hidden;
  padding: clamp(6rem, 12vw, 10rem) 0 clamp(5rem, 10vw, 8rem);
  color: #F4F1EA;
  background: #1A1C1A; /* 兜底深色，图片没加载时也能看 */
}

/* 背景图 */
.section--story .about-bg {
  position: absolute;
  top: -10%;
  left: 0;
  right: 0;
  height: 120%;
  z-index: 0;
  pointer-events: none;
  background-image: url("images/about_us.webp");
  background-size: cover;
  background-position: center;
  will-change: transform;
}

/* 暗色 scrim：顶部稍亮，中段压暗保证文字可读，底部再过渡 */
.section--story .about-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      180deg,
      rgba(20, 22, 20, 0.55) 0%,
      rgba(20, 22, 20, 0.72) 35%,
      rgba(20, 22, 20, 0.78) 70%,
      rgba(20, 22, 20, 0.88) 100%
    );
}

.section--story .container {
  position: relative;
  z-index: 2;
  max-width: 880px;
}

/* -- 标题组 -- */
.section--story .story-head {
  text-align: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.story-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.55em;
  color: var(--color-accent-gold);
  text-transform: uppercase;
  margin-bottom: 1.6rem;
  font-weight: 400;
  opacity: 0.92;
}

.story-headline {
  font-family: var(--font-serif);
  font-weight: 200;
  color: #F4F1EA;
  letter-spacing: 0.18em;
  line-height: 1.15;
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
}

.story-headline-sm {
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  letter-spacing: 0.42em;
  color: rgba(244, 241, 234, 0.7);
  font-weight: 300;
}

.story-headline-lg {
  font-size: clamp(3rem, 7vw, 5.5rem);
  letter-spacing: 0.25em;
  font-weight: 200;
}

.story-divider {
  display: block;
  width: 48px;
  height: 1px;
  margin: 1.2rem auto 0;
  background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
  opacity: 0.75;
}

/* -- 引文 -- */
.story-quote {
  position: relative;
  margin: 0 auto clamp(3rem, 5vw, 4.5rem);
  padding: 0 clamp(1rem, 4vw, 3rem);
  max-width: 720px;
  text-align: center;
}

.story-quote-mark {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(5rem, 10vw, 8rem);
  line-height: 0.6;
  color: var(--color-accent-gold);
  opacity: 0.35;
  margin-bottom: -0.15em;
  font-weight: 400;
}

.story-quote p {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.4vw, 1.85rem);
  line-height: 1.85;
  letter-spacing: 0.12em;
  color: #F4F1EA;
  font-weight: 300;
  margin: 0;
}

.story-quote em {
  font-style: normal;
  color: var(--color-accent-gold);
  font-weight: 400;
  padding: 0 0.15em;
  letter-spacing: 0.15em;
}

/* -- 正文 -- */
.story-body {
  max-width: 680px;
  margin: 0 auto;
  text-align: left;
}

.story-body p {
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  line-height: 2.15;
  letter-spacing: 0.06em;
  color: rgba(244, 241, 234, 0.88);
  font-weight: 300;
  margin-bottom: 1.6rem;
}

.story-accent {
  color: var(--color-accent-gold);
  font-weight: 400;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.story-tag {
  display: inline-block;
  padding: 0.15em 0.7em;
  margin: 0 0.25em;
  border: 1px solid rgba(200, 169, 110, 0.45);
  border-radius: 999px;
  font-size: 0.82em;
  letter-spacing: 0.12em;
  color: rgba(244, 241, 234, 0.95);
  white-space: nowrap;
  background: rgba(200, 169, 110, 0.06);
}

.story-closing {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.4vw, 1.2rem) !important;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: #F4F1EA !important;
  text-align: center;
  margin-top: 2.8rem !important;
  padding-top: 2rem;
  border-top: 1px solid rgba(244, 241, 234, 0.12);
}

/* -- 落款签名 -- */
.story-signature {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  margin-top: clamp(3rem, 5vw, 4.5rem);
  opacity: 0.6;
}

.story-signature-line {
  width: 40px;
  height: 1px;
  background: var(--color-accent-gold);
}

.story-signature-text {
  font-size: 0.65rem;
  letter-spacing: 0.5em;
  color: var(--color-accent-gold);
  font-family: var(--font-serif);
  text-transform: uppercase;
}

/* 移动端排版调整 */
@media (max-width: 640px) {
  .story-headline-lg { letter-spacing: 0.18em; }
  .story-quote p { letter-spacing: 0.08em; }
  .story-tag {
    display: inline-block;
    margin: 0.25em 0.15em;
    font-size: 0.78em;
  }
  .story-signature-text { letter-spacing: 0.35em; font-size: 0.6rem; }
}

/* --- Sections --- */
.section {
  padding: var(--space-2xl) 0;
}

.section-label {
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  font-weight: 400;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  line-height: 1.5;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
  position: relative;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-light);
  max-width: 620px;
  line-height: 2;
  margin-bottom: var(--space-lg);
}

/* --- Dark Section Variant --- */
.section--dark {
  background: var(--color-dark);
  color: var(--color-bg);
}

.section--dark .section-label {
  color: var(--color-accent-gold);
  opacity: 0.7;
}

.section--dark .section-title {
  color: var(--color-bg);
}

.section--dark .stat-number {
  color: var(--color-accent-gold);
}

.section--dark .stat-label {
  color: rgba(250, 250, 248, 0.9);
}

.section--dark .stat-desc {
  color: rgba(250, 250, 248, 0.4);
}

/* --- Brand Story 容器（深色大图背景排版已在上方定义） --- */
.story-content {
  max-width: 800px;
  margin: 0 auto;
}

.story-image-placeholder {
  aspect-ratio: 4/5;
  background: var(--color-bg-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.story-img-inner {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(139, 169, 120, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse at 30% 70%, rgba(200, 180, 140, 0.1) 0%, transparent 60%),
    var(--color-bg-warm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-text {
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  font-weight: 300;
}

/* --- Origin --- */
.section--origin {
  padding: var(--space-xl) 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.origin-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
}

.origin-item {
  text-align: center;
  max-width: 320px;
}

.origin-char {
  font-family: var(--font-serif);
  font-size: 4.5rem;
  font-weight: 200;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.origin-item p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 2;
}

.origin-divider {
  width: 1px;
  height: 80px;
  background: var(--color-border);
}

/* --- Timeline --- */
.section--timeline {
  background: var(--color-bg);
}

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

.timeline-item {
  padding: var(--space-md);
  border-left: 1px solid var(--color-border);
}

.timeline-year {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 200;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-sm);
}

.timeline-content h4 {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.timeline-content p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

/* --- Values --- */
.section--values {
  background: var(--color-bg);
  padding: var(--space-xl) 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

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

.value-icon {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.value-card h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.value-card p {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

/* =============================================
   Life Scenes / Products
   ============================================= */
.section--scenes {
  background: var(--color-white);
  padding-bottom: 0;
}

.section--scenes > .container {
  padding-bottom: var(--space-lg);
}

/* Product Scene Block */
.product-scene {
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}

.product-scene:nth-child(odd) {
  background: var(--color-bg);
}

.product-scene:nth-child(even) {
  background: var(--color-white);
}

.product-scene-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.product-scene--reverse .product-scene-inner {
  direction: rtl;
}

.product-scene--reverse .product-scene-inner > * {
  direction: ltr;
}

/* Scene Visual */
.scene-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.scene-lottie-wrap {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.scene-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(200,169,110,0.06) 0%, transparent 70%);
  position: relative;
}

.scene-placeholder svg {
  width: 80%;
  height: 80%;
}

/* Floating ring animation */
.scene-lottie-wrap::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid rgba(200,169,110,0.15);
  animation: sceneRingPulse 4s ease-in-out infinite;
}

.scene-lottie-wrap::after {
  content: '';
  position: absolute;
  inset: -25px;
  border-radius: 50%;
  border: 1px solid rgba(200,169,110,0.08);
  animation: sceneRingPulse 4s ease-in-out infinite 1s;
}

@keyframes sceneRingPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.03); opacity: 0.5; }
}

/* Scene Content */
.scene-content {
  padding: var(--space-md) 0;
}

.scene-tag {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--color-accent-gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--space-md);
  font-weight: 400;
}

.scene-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.scene-slogan {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
  font-weight: 400;
  font-style: italic;
}

.scene-desc {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 2.2;
  margin-bottom: var(--space-md);
  max-width: 520px;
}

.scene-features {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.scene-features span {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 1rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  transition: all 0.3s ease;
}

.scene-features span:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

/* --- 风物系子产品网格 --- */
.fengwu-grid-wrap {
  padding: var(--space-lg) 0 var(--space-md);
}

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

.fengwu-card {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.fengwu-card:hover {
  border-color: var(--color-accent-gold);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.fengwu-card--link {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.fengwu-card-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  display: block;
}

.fengwu-card-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  display: block;
}

.fengwu-card-hint {
  font-size: 0.7rem;
  color: var(--color-accent);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: block;
  margin-top: 4px;
}

.fengwu-card--link:hover .fengwu-card-hint {
  opacity: 1;
}

/* --- Services --- */
.section--services {
  background: var(--color-bg);
}

.service-block {
  margin-bottom: var(--space-xl);
}

.service-block:last-child {
  margin-bottom: 0;
}

.service-block-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.service-tag {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
}

.service-tag-en {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  font-weight: 300;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.service-card {
  padding: var(--space-md);
  background: var(--color-white);
  border: 1px solid transparent;
  transition: all 0.4s ease;
}

.service-card:hover {
  border-color: var(--color-border);
  transform: translateY(-2px);
}

.service-card h4 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
}

.service-card p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 2;
}

/* --- Custom --- */
.section--custom {
  background: var(--color-white);
}

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

.custom-item {
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--color-border);
  transition: all 0.4s ease;
}

.custom-item:hover {
  border-color: var(--color-accent-gold);
  transform: translateY(-2px);
}

.custom-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 200;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-sm);
}

.custom-item h4 {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
}

.custom-item p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 2;
}

/* --- Stats / Strengths --- */
.section--strengths {
  background: var(--color-dark);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
  text-align: center;
}

.stat-card {
  padding: var(--space-lg) var(--space-sm);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 200;
  color: var(--color-accent-gold);
  display: block;
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.stat-number sup {
  font-size: 1.4rem;
  vertical-align: super;
}

.stat-unit {
  font-size: 1.2rem;
  font-weight: 300;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  display: block;
}

/* --- Supply Chain --- */
.section--chain {
  background: var(--color-dark);
  padding: var(--space-xl) 0;
}

.section--chain .chain-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.section--chain .chain-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  text-align: center;
}

.section--chain .chain-icon {
  color: var(--color-accent-gold);
  width: 60px;
  height: 60px;
  border: 1px solid rgba(200,169,110,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.section--chain .chain-step:hover .chain-icon {
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 20px rgba(200,169,110,0.15);
}

.section--chain .chain-step span:last-child {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(250,250,248,0.5);
}

.section--chain .chain-arrow {
  font-size: 1.2rem;
  color: rgba(200,169,110,0.3);
  margin-top: -1.5rem;
}

/* --- Partners --- */
.section--partners {
  background: var(--color-white);
  text-align: center;
}

.partner-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.partner-logo {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  font-weight: 400;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.partner-logo:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-text);
}

.testimonial {
  max-width: 640px;
  margin: 0 auto;
}

.testimonial blockquote {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 2.2;
  color: var(--color-text);
  font-style: italic;
  margin-bottom: var(--space-sm);
}

.testimonial cite {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-style: normal;
  letter-spacing: 0.08em;
}

/* --- CSR --- */
.section--csr {
  background: var(--color-bg);
  text-align: center;
}

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

.csr-item h4 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.csr-item p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 2;
}

/* --- Contact --- */
.section--contact {
  background: var(--color-bg-warm);
  text-align: center;
  padding: var(--space-2xl) 0;
}

.contact-lead {
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.contact-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xl);
}

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

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.contact-item span:last-child {
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  font-weight: 400;
}

/* --- Footer --- */
.footer {
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-lg) 0;
}

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

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.15em;
  font-weight: 400;
}

.footer-text {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(250, 250, 248, 0.5);
}

.footer-copy {
  font-size: 0.68rem;
  color: rgba(250, 250, 248, 0.3);
  letter-spacing: 0.03em;
}

/* =============================================
   苹果滚动动画 · Apple Scroll Animation
   专业级液体效果 + 场景过渡
   ============================================= */

.apple-wrap {
  position: fixed;
  z-index: 5;
  pointer-events: none;
  will-change: transform, opacity, filter;
  width: 220px;
  height: 220px;
}

.apple-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 8px 25px rgba(0, 0, 0, 0.12));
}

/* Glow behind apple when submerged */
.apple-glow {
  position: absolute;
  inset: -20%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 169, 110, 0.15) 0%, transparent 70%);
  opacity: 0;
  pointer-events: none;
}

/* Scene-specific glow colors */
.apple-wrap[data-scene="water"] .apple-glow {
  background: radial-gradient(circle, rgba(120, 180, 255, 0.12) 0%, transparent 70%);
}
.apple-wrap[data-scene="juice"] .apple-glow {
  background: radial-gradient(circle, rgba(255, 180, 60, 0.12) 0%, transparent 70%);
}
.apple-wrap[data-scene="wine"] .apple-glow {
  background: radial-gradient(circle, rgba(180, 100, 150, 0.12) 0%, transparent 70%);
}

/* Hide apple on mobile */
@media (max-width: 768px) {
  .apple-wrap {
    display: none;
  }
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .product-scene-inner {
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-2xl: 6rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 250, 248, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 99;
  }

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

  .nav-toggle {
    display: flex;
    z-index: 101;
  }

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

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

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

  .story-visual {
    order: -1;
  }

  .story-image-placeholder {
    aspect-ratio: 3/2;
  }

  /* Product scenes stack on mobile */
  .product-scene-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .product-scene--reverse .product-scene-inner {
    direction: ltr;
  }

  .scene-lottie-wrap {
    max-width: 280px;
    margin: 0 auto;
  }

  .scene-desc {
    max-width: none;
  }

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

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

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

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

  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .csr-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .origin-grid {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .origin-divider {
    width: 60px;
    height: 1px;
  }

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

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

  .section--chain .chain-arrow {
    display: none;
  }

  .section--chain .chain-flow {
    gap: var(--space-sm);
  }

  .hero-scenes {
    gap: 0.5rem;
  }

  .hero-scene-pill {
    padding: 0.4rem 0.8rem;
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

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

  .partner-logos {
    gap: var(--space-sm);
  }

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

  .hero-scenes {
    flex-direction: column;
    align-items: center;
  }
}

/* --- Clickable Product Scene (早餐安安果 entry) --- */
.product-scene-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.product-scene--clickable {
  cursor: pointer;
}

.product-scene--clickable .scene-lottie-wrap,
.product-scene--clickable .scene-title,
.product-scene--clickable .scene-lottie-wrap::before,
.product-scene--clickable .scene-lottie-wrap::after {
  transition: transform var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
}

.product-scene--clickable:hover .scene-lottie-wrap {
  transform: scale(1.03);
}

.product-scene--clickable:hover .scene-lottie-wrap::before {
  border-color: rgba(200, 169, 110, 0.45);
}

.product-scene--clickable:hover .scene-lottie-wrap::after {
  border-color: rgba(200, 169, 110, 0.25);
}

.product-scene--clickable:hover .scene-title {
  color: var(--color-accent);
}

.product-scene--clickable:active {
  transform: translateY(1px);
}

.scene-link-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: calc(var(--space-md) + 0.5rem);
  padding: 0.65rem 1.35rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  color: var(--color-accent-gold);
  background: transparent;
  transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
}

.scene-link-hint em {
  font-style: normal;
  display: inline-block;
  transition: transform var(--transition);
}

.product-scene--clickable:hover .scene-link-hint {
  border-color: var(--color-accent-gold);
  color: var(--color-text);
  background: rgba(200, 169, 110, 0.06);
}

.product-scene--clickable:hover .scene-link-hint em {
  transform: translateX(6px);
}

/* Gentle pulsing halo so users notice it's clickable */
@keyframes sceneClickableHalo {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200, 169, 110, 0); }
  50%      { box-shadow: 0 0 0 8px rgba(200, 169, 110, 0.08); }
}

.product-scene--clickable .scene-link-hint {
  animation: sceneClickableHalo 3.2s ease-in-out infinite;
}

.product-scene--clickable:hover .scene-link-hint {
  animation: none;
}

/* ============================================
   移动端/平板性能优化
   移动端 GPU 算力有限：去掉 backdrop-filter、
   过多的合成图层和 Lottie 背景，保证滚动丝滑。
   ============================================ */
@media (max-width: 1024px) {
  /* backdrop-filter 是移动端卡顿杀手 —— 降级为纯色背景 */
  .hero-scene-pill {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(255, 255, 255, 0.75);
  }
  .nav.scrolled {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  /* Hero grain / Lottie 层在移动端彻底隐藏，释放 GPU */
  .hero-grain,
  .hero-lottie-bg {
    display: none !important;
  }
  /* will-change 只在需要时才启用，否则反而浪费内存 */
  .hero-bg-image {
    will-change: auto;
  }
}

@media (max-width: 768px) {
  /* 标题云雾渐变层太多，移动端简化为纯色 */
  .hero-title-text {
    background: none !important;
    -webkit-text-fill-color: var(--color-text) !important;
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
  }
  .hero-title:hover .hero-title-text {
    animation: none !important;
  }
  /* 关于我们背景图不做 parallax 位移，静态显示 */
  .section--story .about-bg {
    top: 0;
    height: 100%;
    transform: none !important;
  }
}

/* 尊重用户系统"减少动画"偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}