/* ===== Design Tokens ===== */
:root {
  --color-primary: #2E5C3F;
  --color-primary-light: #3A7D5C;
  --color-primary-dark: #1F4A30;
  --color-accent: #C8A97E;
  --color-accent-light: #D4BC9A;
  --color-bg: #FFFFFF;
  --color-bg-warm: #FAF8F5;
  --color-bg-cream: #F5F0E8;
  --color-text: #1A1A1A;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;
  --color-border: #E8E4DE;
  --color-card-bg: #FFFFFF;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Noto Serif SC', Georgia, serif;
  --container: 1200px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 6px 16px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(46, 92, 63, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(46, 92, 63, 0.35);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 20px;
  color: var(--color-primary);
}
.brand-icon { font-size: 24px; }
.main-nav {
  display: flex;
  gap: 32px;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text);
}

/* ===== Hero ===== */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg) 100%);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(46, 92, 63, 0.08);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: 52px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 20px;
}
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 18px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 40px;
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.stat-label {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  width: 320px;
  border: 1px solid var(--color-border);
  position: relative;
}
.card-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background: linear-gradient(135deg, #E74C3C, #C0392B);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}
.card-img {
  width: 100%;
  height: 160px;
  background: var(--color-bg-cream);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.card-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}
.card-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.price-retail {
  font-size: 14px;
  color: var(--color-text-muted);
  text-decoration: line-through;
}
.price-vip {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
}
.hero-float {
  position: absolute;
  background: var(--color-card-bg);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.hero-float-1 { top: 20%; left: -20px; }
.hero-float-2 { bottom: 20%; right: -10px; }

/* ===== Trust ===== */
.trust {
  padding: 60px 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.trust-item {
  text-align: center;
  padding: 24px;
}
.trust-icon {
  font-size: 40px;
  margin-bottom: 12px;
}
.trust-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}
.trust-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== Section Commons ===== */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-badge {
  display: inline-block;
  background: rgba(46, 92, 63, 0.08);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}
.section-desc {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== Products ===== */
.products-section {
  padding: 100px 0;
  background: var(--color-bg-warm);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-light);
}
.product-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(180deg, #fff 0%, var(--color-bg-cream) 100%);
}
.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
}
.product-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.product-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}
.product-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}
.link-arrow {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}
.link-arrow:hover {
  color: var(--color-accent);
}

/* ===== Process ===== */
.process-section {
  padding: 100px 0;
  background: var(--color-bg);
}
.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.process-step {
  flex: 1;
  min-width: 160px;
  max-width: 200px;
  text-align: center;
  padding: 32px 20px;
  background: var(--color-bg-warm);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  position: relative;
}
.step-num {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.step-icon {
  font-size: 40px;
  margin-bottom: 12px;
}
.process-step h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}
.process-step p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}
.process-arrow {
  font-size: 24px;
  color: var(--color-accent);
  margin-top: 48px;
  font-weight: 700;
}

/* ===== Join CTA ===== */
.join-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
}
.join-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}
.join-section .section-badge {
  background: rgba(255,255,255,0.15);
  color: #fff;
}
.join-section .section-title {
  color: #fff;
}
.join-section .section-desc {
  color: rgba(255,255,255,0.8);
}
.join-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 32px 0;
}
.join-feature {
  font-size: 15px;
  color: rgba(255,255,255,0.9);
}
.join-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.join-note {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}
.join-visual {
  display: flex;
  justify-content: center;
}
.join-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 280px;
  text-align: center;
}
.join-avatar {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 12px;
}
.join-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}
.join-tag {
  font-size: 13px;
  color: var(--color-accent-light);
  margin-bottom: 20px;
}
.join-income {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
}
.income-label {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 4px;
}
.income-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent-light);
}
.join-stats {
  display: flex;
  justify-content: space-around;
  font-size: 14px;
}
.join-stats strong {
  display: block;
  font-size: 20px;
  color: #fff;
}

/* ===== Mini Program ===== */
.miniprogram-section {
  padding: 80px 0;
  background: var(--color-bg-cream);
  text-align: center;
}
.miniprogram-inner {
  max-width: 600px;
  margin: 0 auto;
}
.qrcode-placeholder {
  width: 160px;
  height: 160px;
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 24px auto 12px;
  border: 2px dashed var(--color-border);
  box-shadow: var(--shadow-sm);
}
.qrcode-placeholder span { font-size: 48px; }
.qrcode-placeholder small {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}
.qrcode-hint {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .brand {
  color: #fff;
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}
.footer-contact p {
  font-size: 14px;
  margin-bottom: 4px;
}
.footer-links h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
}
.footer-links a:hover {
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ===== Scroll Reveal ===== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Content Pages ===== */
.page-header {
  padding: 80px 0 40px;
  background: var(--color-bg-warm);
  text-align: center;
}
.page-header h1 {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 12px;
}
.page-header p {
  font-size: 18px;
  color: var(--color-text-secondary);
}
.page-content {
  padding: 60px 0;
  max-width: 800px;
  margin: 0 auto;
}
.page-content h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--color-primary);
}
.page-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 28px 0 12px;
}
.page-content p {
  margin-bottom: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.page-content ul, .page-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
  color: var(--color-text-secondary);
}
.page-content li {
  margin-bottom: 8px;
}

/* ===== Pricing Cards (for join page) ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 40px auto;
}
.pricing-card {
  background: var(--color-card-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
}
.pricing-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(180deg, #fff 0%, var(--color-bg-cream) 100%);
  position: relative;
}
.pricing-card .popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 100px;
}
.pricing-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.pricing-card .price {
  font-size: 42px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.pricing-card .price-note {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}
.pricing-features {
  text-align: left;
  margin-bottom: 32px;
}
.pricing-features li {
  list-style: none;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-secondary);
}
.pricing-features li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
  margin-right: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .trust-inner { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .join-inner { grid-template-columns: 1fr; text-align: center; }
  .join-features { max-width: 400px; margin: 32px auto; }
  .join-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-title { font-size: 36px; }
  .section-title { font-size: 28px; }
  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  .main-nav.active { display: flex; }
  .mobile-menu-toggle { display: block; }
  .trust-inner { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .process-steps { flex-direction: column; align-items: center; }
  .process-arrow { transform: rotate(90deg); margin: 0; }
  .process-step { max-width: 100%; width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .hero-card { width: 100%; max-width: 320px; }
}