/* ==========================================================================
   Antigravity UI Design System for Quanzhou Tingshuang Sanitary Products Co., Ltd.
   (泉州市婷爽卫生用品有限公司 - Antigravity Style System)
   Visual Metaphor: Weightlessness, Airflow, Micro-Floating, Soft Medical Purity
   ========================================================================== */

:root {
  --ag-bg-canvas: #FAFBFD;
  --ag-bg-surface: rgba(255, 255, 255, 0.82);
  --ag-bg-surface-elevated: rgba(255, 255, 255, 0.94);
  --ag-bg-glass: rgba(255, 255, 255, 0.65);
  
  --ag-primary: #0284C7; /* Antigravity Sky Blue */
  --ag-primary-deep: #0369A1;
  --ag-primary-light: #E0F2FE;
  
  --ag-accent-probiotic: #10B981; /* Probiotics Vital Green */
  --ag-accent-silk: #8B5CF6; /* Mulberry Silk Lilac */
  --ag-accent-warm: #F59E0B; /* Golden Calendula Warm Amber */
  --ag-accent-pink: #F43F5E; /* Susan Mammy Soft Rose */
  
  --ag-text-main: #0F172A;
  --ag-text-muted: #475569;
  --ag-text-subtle: #94A3B8;
  
  --ag-border-light: rgba(226, 232, 240, 0.8);
  --ag-border-glass: rgba(255, 255, 255, 0.6);
  --ag-border-active: rgba(2, 132, 199, 0.4);
  
  --ag-shadow-floating: 0 20px 40px -15px rgba(2, 132, 199, 0.08), 0 0 1px 1px rgba(255, 255, 255, 0.9) inset;
  --ag-shadow-card: 0 12px 32px -8px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.02);
  --ag-shadow-glow: 0 0 30px rgba(2, 132, 199, 0.18);
  
  --ag-radius-pill: 9999px;
  --ag-radius-card: 24px;
  --ag-radius-sm: 12px;
  
  --ag-font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --ag-font-mono: ui-monospace, SFMono-Regular, "SF Pro Text", Menlo, Consolas, monospace;
}

/* Background Atmosphere & Floating Particles */
body.tingshuang-body {
  background-color: var(--ag-bg-canvas);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(224, 242, 254, 0.7) 0%, transparent 40%),
    radial-gradient(circle at 90% 15%, rgba(243, 232, 255, 0.6) 0%, transparent 45%),
    radial-gradient(circle at 50% 60%, rgba(236, 253, 245, 0.5) 0%, transparent 50%),
    radial-gradient(circle at 80% 85%, rgba(254, 243, 199, 0.4) 0%, transparent 45%);
  background-attachment: fixed;
  color: var(--ag-text-main);
  font-family: var(--ag-font-family);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Floating Animations */
@keyframes antigravityFloatSlow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(0.8deg); }
}

@keyframes antigravityFloatReverse {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(8px) rotate(-0.8deg); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.03); }
}

@keyframes corePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(2, 132, 199, 0.2); }
  50% { box-shadow: 0 0 0 16px rgba(2, 132, 199, 0); }
}

.float-slow {
  animation: antigravityFloatSlow 7s ease-in-out infinite;
}

.float-reverse {
  animation: antigravityFloatReverse 8s ease-in-out infinite;
}

/* Glassmorphism Surface */
.ag-glass {
  background: var(--ag-bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--ag-border-glass);
  box-shadow: var(--ag-shadow-floating);
  border-radius: var(--ag-radius-card);
}

.ag-glass-elevated {
  background: var(--ag-bg-surface-elevated);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.08);
}

/* Floating Top Notification Bar */
.tingshuang-topbar {
  background: linear-gradient(90deg, #0284C7 0%, #0369A1 50%, #4338CA 100%);
  color: #FFFFFF;
  padding: 8px 0;
  font-size: 13px;
  letter-spacing: 0.2px;
}

.tingshuang-topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
}

.topbar-badge {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 2px 10px;
  border-radius: var(--ag-radius-pill);
  font-size: 11px;
  font-weight: 600;
  margin-right: 8px;
}

/* Floating Sticky Header with Brand Toggle */
.tingshuang-header {
  position: sticky;
  top: 16px;
  z-index: 1000;
  margin: 0 auto 24px;
  max-width: 1360px;
  padding: 0 24px;
}

.tingshuang-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-radius: var(--ag-radius-pill);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.08);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-identity {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-symbol {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0284C7 0%, #38BDF8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 800;
  font-size: 20px;
  box-shadow: 0 8px 16px -4px rgba(2, 132, 199, 0.4);
}

.brand-text h1 {
  font-size: 17px;
  font-weight: 800;
  color: var(--ag-text-main);
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.2px;
}

.brand-text span {
  font-size: 11px;
  color: var(--ag-text-muted);
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* Floating Brand Switcher Pill */
.brand-toggle-pill {
  display: flex;
  background: #F1F5F9;
  padding: 4px;
  border-radius: var(--ag-radius-pill);
  border: 1px solid #E2E8F0;
  gap: 2px;
}

.brand-toggle-btn {
  border: none;
  background: transparent;
  padding: 6px 14px;
  border-radius: var(--ag-radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--ag-text-muted);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.brand-toggle-btn:hover {
  color: var(--ag-text-main);
}

.brand-toggle-btn.active {
  background: #FFFFFF;
  color: var(--ag-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.brand-toggle-btn.active.susan {
  color: #E11D48;
}

.brand-toggle-btn.active.sheep {
  color: #7C3AED;
}

/* Navigation items */
.tingshuang-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tingshuang-nav a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--ag-text-muted);
  transition: color 0.2s ease;
  position: relative;
  padding: 6px 0;
}

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

.header-action-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-ag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: var(--ag-radius-pill);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-ag-primary {
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 20px -4px rgba(2, 132, 199, 0.35);
}

.btn-ag-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -4px rgba(2, 132, 199, 0.45);
}

.btn-ag-outline {
  background: #FFFFFF;
  color: var(--ag-primary);
  border-color: #BAE6FD;
}

.btn-ag-outline:hover {
  background: #F0F9FF;
  border-color: var(--ag-primary);
}

.btn-ag-dropship {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 20px -4px rgba(16, 185, 129, 0.35);
}

.btn-ag-dropship:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -4px rgba(16, 185, 129, 0.45);
}

/* ==========================================================================
   Hero Section: Antigravity Floating Core Technology
   ========================================================================== */
.hero-antigravity {
  padding: 40px 0 80px;
  position: relative;
}

.hero-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-copy-box {
  position: relative;
  z-index: 2;
}

.hero-kicker-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--ag-radius-pill);
  background: rgba(224, 242, 254, 0.85);
  border: 1px solid rgba(186, 230, 253, 0.8);
  color: var(--ag-primary-deep);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-main-title {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  color: var(--ag-text-main);
  margin-bottom: 20px;
}

.hero-main-title .gradient-text {
  background: linear-gradient(135deg, #0284C7 0%, #38BDF8 50%, #6366F1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead-desc {
  font-size: 18px;
  color: var(--ag-text-muted);
  line-height: 1.68;
  margin-bottom: 32px;
  max-width: 640px;
}

.hero-metrics-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.metric-card {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--ag-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 8px 16px -6px rgba(15, 23, 42, 0.04);
}

.metric-num {
  font-size: 28px;
  font-weight: 900;
  color: var(--ag-primary);
  font-family: var(--ag-font-mono);
  line-height: 1;
  margin-bottom: 6px;
}

.metric-label {
  font-size: 13px;
  color: var(--ag-text-muted);
  font-weight: 600;
}

/* Floating Diaper 3D/Exploded Core Card */
.hero-visual-card {
  position: relative;
  padding: 40px;
  border-radius: 36px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(240, 249, 255, 0.8) 100%);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 25px 60px -15px rgba(2, 132, 199, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.floating-layer-badge {
  position: absolute;
  top: 24px;
  left: 24px;
  background: #FFFFFF;
  padding: 6px 14px;
  border-radius: var(--ag-radius-pill);
  font-size: 12px;
  font-weight: 700;
  color: var(--ag-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  gap: 6px;
}

.diaper-floating-stage {
  width: 100%;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.diaper-hero-img {
  max-width: 85%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 30px rgba(2, 132, 199, 0.2));
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-visual-card:hover .diaper-hero-img {
  transform: scale(1.05) translateY(-8px);
}

/* Interactive Floating Hotspots */
.core-hotspot {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.95);
  padding: 8px 14px;
  border-radius: var(--ag-radius-pill);
  box-shadow: 0 10px 24px -4px rgba(15, 23, 42, 0.1);
  font-size: 12px;
  font-weight: 700;
  color: var(--ag-text-main);
  border: 1px solid rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transition: all 0.25s ease;
  z-index: 5;
}

.core-hotspot:hover {
  transform: scale(1.06);
  border-color: var(--ag-primary);
}

.hotspot-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ag-primary);
  animation: corePulse 2s infinite;
}

.hotspot-top { top: 20%; right: 10%; }
.hotspot-center { top: 50%; left: 5%; }
.hotspot-bottom { bottom: 15%; right: 15%; }

/* Core Exploded View Selector Tabs */
.core-layers-selector {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 24px;
}

.layer-tab-btn {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(226, 232, 240, 0.8);
  padding: 10px 8px;
  border-radius: var(--ag-radius-sm);
  font-size: 12px;
  font-weight: 700;
  color: var(--ag-text-muted);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.layer-tab-btn:hover,
.layer-tab-btn.active {
  background: #FFFFFF;
  color: var(--ag-primary);
  border-color: var(--ag-primary);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.1);
}

/* ==========================================================================
   Brand Portfolio Matrix: Susan Mammy vs Value Brands vs Sister
   ========================================================================== */
.section-brand-portfolio {
  padding: 80px 0;
  position: relative;
}

.section-head-center {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 56px;
}

.section-pretitle {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ag-primary);
  margin-bottom: 12px;
}

.section-title-large {
  font-size: 38px;
  font-weight: 800;
  color: var(--ag-text-main);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-subtitle-large {
  font-size: 16px;
  color: var(--ag-text-muted);
  line-height: 1.65;
}

.brands-grid-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Flagship: Susan Mammy Hero Card */
.brand-flagship-card {
  background: linear-gradient(180deg, #FFFFFF 0%, #FFF5F7 100%);
  border: 1px solid #FFE4E6;
  border-radius: var(--ag-radius-card);
  padding: 40px;
  position: relative;
  box-shadow: 0 20px 40px -10px rgba(244, 63, 94, 0.08);
  display: flex;
  flex-direction: column;
}

.flagship-ribbon {
  position: absolute;
  top: 24px;
  right: 24px;
  background: linear-gradient(135deg, #F43F5E 0%, #E11D48 100%);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--ag-radius-pill);
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
}

.brand-card-logo-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.brand-logo-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  color: #FFFFFF;
}

.icon-susan { background: linear-gradient(135deg, #FB7185 0%, #E11D48 100%); }
.icon-nifei { background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%); }
.icon-youyou { background: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%); }
.icon-sheep { background: linear-gradient(135deg, #8B5CF6 0%, #6D28D9 100%); }

.brand-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 24px;
}

.brand-tag {
  background: rgba(255, 255, 255, 0.9);
  padding: 4px 10px;
  border-radius: var(--ag-radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: var(--ag-text-muted);
  border: 1px solid #E2E8F0;
}

.brand-tag.highlight {
  background: #FFF1F2;
  color: #E11D48;
  border-color: #FECDD3;
}

/* Sub-Brand Cards */
.brand-sub-card {
  background: #FFFFFF;
  border: 1px solid var(--ag-border-light);
  border-radius: var(--ag-radius-card);
  padding: 32px;
  box-shadow: var(--ag-shadow-card);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.brand-sub-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ag-shadow-floating);
}

.brand-sister-card {
  background: linear-gradient(180deg, #FFFFFF 0%, #F5F3FF 100%);
  border: 1px solid #DDD6FE;
  border-radius: var(--ag-radius-card);
  padding: 32px;
  box-shadow: 0 16px 32px -8px rgba(139, 92, 246, 0.08);
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   B2B & 1688 Dropshipping / Wholesale Hub
   ========================================================================== */
.section-b2b-hub {
  padding: 80px 0;
  background: linear-gradient(180deg, rgba(240, 249, 255, 0.5) 0%, rgba(255, 255, 255, 0.8) 100%);
}

.b2b-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
}

.b2b-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.b2b-pillar-card {
  background: #FFFFFF;
  padding: 28px 24px;
  border-radius: 20px;
  border: 1px solid #E2E8F0;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.03);
  transition: all 0.25s ease;
}

.b2b-pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--ag-primary);
  box-shadow: 0 16px 32px -8px rgba(2, 132, 199, 0.12);
}

.pillar-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #F0F9FF;
  color: var(--ag-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}

/* Dropshipping Profit Calculator */
.dropship-calc-box {
  background: #FFFFFF;
  border-radius: var(--ag-radius-card);
  padding: 40px;
  border: 1px solid #E2E8F0;
  box-shadow: var(--ag-shadow-floating);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.calc-input-group {
  margin-bottom: 20px;
}

.calc-input-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ag-text-main);
  margin-bottom: 8px;
}

.calc-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--ag-radius-sm);
  border: 1px solid #CBD5E1;
  font-size: 15px;
  color: var(--ag-text-main);
  outline: none;
  transition: border-color 0.2s ease;
  box-sizing: border-box;
}

.calc-input:focus {
  border-color: var(--ag-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.calc-result-panel {
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  color: #FFFFFF;
  border-radius: 20px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* ==========================================================================
   Corporate Transparency & Equity Architecture (苏联文实控人资本体系)
   ========================================================================== */
.section-corporate-equity {
  padding: 80px 0;
  position: relative;
}

.equity-diagram-card {
  background: #FFFFFF;
  border-radius: var(--ag-radius-card);
  padding: 48px;
  border: 1px solid #E2E8F0;
  box-shadow: var(--ag-shadow-floating);
  max-width: 1360px;
  margin: 0 auto;
}

.equity-tree-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  margin-top: 36px;
}

.equity-node-boss {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: #FFFFFF;
  padding: 18px 36px;
  border-radius: var(--ag-radius-pill);
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 28px -6px rgba(15, 23, 42, 0.25);
  z-index: 2;
}

.equity-boss-role {
  background: #0284C7;
  color: #FFFFFF;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 10px;
}

.equity-branches-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  width: 100%;
  margin-top: 48px;
  position: relative;
}

.equity-branches-grid::before {
  content: "";
  position: absolute;
  top: -24px;
  left: 16%;
  right: 16%;
  height: 2px;
  background: #CBD5E1;
}

.equity-branch-item {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 20px;
  padding: 28px;
  position: relative;
}

.equity-branch-item::before {
  content: "";
  position: absolute;
  top: -24px;
  left: 50%;
  width: 2px;
  height: 24px;
  background: #CBD5E1;
  transform: translateX(-50%);
}

.equity-share-tag {
  display: inline-block;
  background: #EFF6FF;
  color: #0284C7;
  font-family: var(--ag-font-mono);
  font-weight: 800;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: var(--ag-radius-pill);
  margin-bottom: 12px;
}

/* Guardrail Clarification Notice */
.guardrail-callout {
  margin-top: 40px;
  padding: 20px 24px;
  border-radius: 16px;
  background: #FEF2F2;
  border: 1px solid #FEE2E2;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.guardrail-icon {
  color: #DC2626;
  font-size: 24px;
  flex-shrink: 0;
}

.guardrail-text h4 {
  font-size: 15px;
  font-weight: 800;
  color: #991B1B;
  margin: 0 0 4px;
}

.guardrail-text p {
  font-size: 13px;
  color: #7F1D1D;
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.tingshuang-footer {
  background: #0B1120;
  color: #94A3B8;
  padding: 64px 0 32px;
  font-size: 14px;
}

.footer-inner-grid {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-inner-grid h4 {
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-bottom-bar {
  max-width: 1360px;
  margin: 0 auto;
  padding: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: #64748B;
}

/* Responsive adjustments */
@media screen and (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; gap: 36px; }
  .brands-grid-layout { grid-template-columns: 1fr; }
  .b2b-pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .dropship-calc-box { grid-template-columns: 1fr; }
  .equity-branches-grid { grid-template-columns: 1fr; }
  .equity-branches-grid::before { display: none; }
  .footer-inner-grid { grid-template-columns: 1fr 1fr; }
}

@media screen and (max-width: 640px) {
  .hero-main-title { font-size: 36px; }
  .tingshuang-nav { display: none; }
  .b2b-pillars-grid { grid-template-columns: 1fr; }
  .footer-inner-grid { grid-template-columns: 1fr; }
}