/* ==========================================================================
   FINEST SHIPPING (finestshipping.com) - Modern International Freight Forwarder
   Design System & Master Stylesheet
   Style: Next-Gen Digital Freight Forwarder & Global Logistics Portal
   ========================================================================== */

:root {
  /* Core Brand Palette */
  --navy-deep: #06152b;
  --navy-dark: #0a1f44;
  --navy-primary: #0f2d5c;
  --navy-surface: #17386d;
  
  --blue-vibrant: #0066cc;
  --blue-light: #0080ff;
  --cyan-accent: #00d2ff;
  --cyan-glow: rgba(0, 210, 255, 0.25);
  
  --gold-accent: #f59e0b;
  --gold-hover: #d97706;
  --green-success: #10b981;
  --purple-accent: #8b5cf6;
  
  /* Neutral Shades */
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  /* Shadows & Elevations */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.1), 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 25px rgba(0, 210, 255, 0.2);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Layout */
  --container-max: 1240px;
  --header-height: 76px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--slate-50);
  color: var(--slate-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--cyan-accent);
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Utility Classes & Components
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-vibrant), var(--blue-light));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(0, 102, 204, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0052a3, var(--blue-vibrant));
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 204, 0.45);
}

.btn-accent {
  background: linear-gradient(135deg, var(--cyan-accent), var(--blue-light));
  color: var(--navy-deep);
  font-weight: 700;
  box-shadow: 0 4px 14px var(--cyan-glow);
}

.btn-accent:hover {
  background: linear-gradient(135deg, #00b8e6, var(--cyan-accent));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 210, 255, 0.4);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-accent), var(--gold-hover));
  color: var(--white);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-hover), #b45309);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--white);
  color: var(--navy-primary);
  border-color: var(--slate-300);
}

.btn-secondary:hover {
  background: var(--slate-100);
  border-color: var(--slate-400);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* Badge System */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-cyan {
  background: rgba(0, 210, 255, 0.15);
  color: var(--cyan-accent);
  border: 1px solid rgba(0, 210, 255, 0.3);
}

.badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: var(--gold-accent);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--green-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-blue {
  background: rgba(0, 102, 204, 0.1);
  color: var(--blue-vibrant);
  border: 1px solid rgba(0, 102, 204, 0.2);
}

.badge-red {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Section Header Styles */
.section {
  padding: 90px 0;
  position: relative;
}

.section-alt {
  background: #f1f5f9;
}

.section-dark {
  background: var(--navy-dark);
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 55px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--blue-vibrant);
  margin-bottom: 12px;
  background: rgba(0, 102, 204, 0.08);
  padding: 4px 14px;
  border-radius: var(--radius-full);
}

.section-dark .section-tag {
  color: var(--cyan-accent);
  background: rgba(0, 210, 255, 0.12);
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--navy-deep);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

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

.section-desc {
  font-size: 1.05rem;
  color: var(--slate-600);
  line-height: 1.65;
}

.section-dark .section-desc {
  color: var(--slate-300);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-notice-bar {
  background: var(--navy-deep);
  color: var(--slate-300);
  font-size: 0.82rem;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-notice-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-notice-left, .top-notice-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-notice-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-notice-item svg {
  width: 14px;
  height: 14px;
  fill: var(--cyan-accent);
}

.top-notice-link {
  color: var(--slate-300);
}

.top-notice-link:hover {
  color: var(--white);
}

.portal-badge {
  background: rgba(0, 210, 255, 0.15);
  color: var(--cyan-accent);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid rgba(0, 210, 255, 0.3);
  transition: all var(--transition-fast);
}

.portal-badge:hover {
  background: var(--cyan-accent);
  color: var(--navy-deep);
}

.site-nav-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  transition: all var(--transition-normal);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo-img {
  height: 46px;
  width: auto;
  object-fit: contain;
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.5px;
  color: var(--navy-deep);
  line-height: 1.15;
}

.brand-title span {
  color: var(--blue-vibrant);
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--slate-500);
  font-weight: 600;
  letter-spacing: 0.2px;
}

.nav-menu-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link-item {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--slate-700);
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link-item:hover, .nav-link-item.active {
  color: var(--blue-vibrant);
}

.nav-link-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue-vibrant);
  transition: width var(--transition-normal);
}

.nav-link-item:hover::after, .nav-link-item.active::after {
  width: 100%;
}

.nav-link-promo {
  color: var(--blue-vibrant);
  font-weight: 700;
}

.nav-link-promo .nav-badge-hot {
  background: #ef4444;
  color: #fff;
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 4px;
  vertical-align: middle;
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-toggle-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--navy-deep);
}

/* ==========================================================================
   Hero Section & Interactive Rate / Tracking Engine
   ========================================================================== */
.hero-wrapper {
  position: relative;
  background: radial-gradient(circle at 10% 20%, #0d284f 0%, #06152b 90%);
  color: var(--white);
  padding: 85px 0 110px;
  overflow: hidden;
}

.hero-glow-1 {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: -50px;
  left: -50px;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(0, 102, 204, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-headline-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 210, 255, 0.1);
  color: var(--cyan-accent);
  border: 1px solid rgba(0, 210, 255, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.hero-title {
  font-size: 3.1rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -1px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--white) 30%, var(--cyan-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.12rem;
  color: var(--slate-300);
  line-height: 1.7;
  margin-bottom: 30px;
}

.hero-highlights-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  margin-bottom: 35px;
}

.hero-highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #e2e8f0;
  font-weight: 500;
}

.hero-highlight-item svg {
  width: 18px;
  height: 18px;
  fill: var(--cyan-accent);
  flex-shrink: 0;
}

.hero-cta-bar {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Interactive Engine Widget */
.hero-engine-card {
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4), var(--shadow-glow);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--slate-800);
}

.engine-tab-nav {
  display: flex;
  background: #f1f5f9;
  border-bottom: 1px solid var(--slate-200);
}

.engine-tab-btn {
  flex: 1;
  padding: 16px 12px;
  border: none;
  background: none;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--slate-600);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.engine-tab-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.engine-tab-btn:hover {
  color: var(--navy-primary);
  background: rgba(255, 255, 255, 0.5);
}

.engine-tab-btn.active {
  background: var(--white);
  color: var(--blue-vibrant);
  box-shadow: inset 0 -3px 0 var(--blue-vibrant);
}

.engine-pane {
  display: none;
  padding: 24px;
}

.engine-pane.active {
  display: block;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.form-group-full {
  grid-column: 1 / -1;
}

.input-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--slate-700);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.input-field, .select-field {
  width: 100%;
  padding: 11px 14px;
  font-size: 0.9rem;
  border: 1.5px solid var(--slate-300);
  border-radius: var(--radius-sm);
  background-color: var(--white);
  color: var(--slate-800);
  transition: all var(--transition-fast);
}

.input-field:focus, .select-field:focus {
  outline: none;
  border-color: var(--blue-vibrant);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

.engine-helper-note {
  font-size: 0.78rem;
  color: var(--slate-500);
  text-align: center;
  margin-top: 12px;
}

/* ==========================================================================
   Trust & Metrics Bar
   ========================================================================== */
.trust-metrics-section {
  background: var(--white);
  padding: 40px 0;
  border-bottom: 1px solid var(--slate-200);
}

.trust-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.metric-card {
  padding: 10px 16px;
}

.metric-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--navy-deep);
  line-height: 1.1;
  margin-bottom: 4px;
  letter-spacing: -0.5px;
}

.metric-number.highlight {
  color: var(--blue-vibrant);
}

.metric-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Target Audience Strategic Value Section
   ========================================================================== */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.audience-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--blue-vibrant);
}

.audience-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--slate-200);
}

.audience-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.audience-icon-wrap.agent-theme {
  background: rgba(0, 102, 204, 0.1);
  color: var(--blue-vibrant);
}

.audience-icon-wrap.buyer-theme {
  background: rgba(245, 158, 11, 0.12);
  color: var(--gold-accent);
}

.audience-icon-wrap svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.audience-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--navy-deep);
  line-height: 1.25;
}

.audience-subtitle {
  font-size: 0.88rem;
  color: var(--slate-500);
  font-weight: 500;
}

.audience-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-grow: 1;
  margin-bottom: 28px;
}

.audience-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--slate-700);
  line-height: 1.55;
}

.audience-feature-item svg {
  width: 18px;
  height: 18px;
  fill: var(--green-success);
  flex-shrink: 0;
  margin-top: 3px;
}

.audience-feature-item strong {
  color: var(--navy-deep);
}

/* ==========================================================================
   Core Logistics Services (Modular Cards)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--blue-light);
  box-shadow: var(--shadow-xl);
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 210, 255, 0.15));
  color: var(--blue-vibrant);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon-box svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy-deep);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--slate-600);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-bullet-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--slate-700);
  border-top: 1px solid var(--slate-100);
  padding-top: 16px;
}

.service-bullet-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-bullet-item::before {
  content: '✓';
  color: var(--blue-vibrant);
  font-weight: 800;
}

/* ==========================================================================
   Products & Promotions Section (产品与促销)
   ========================================================================== */
.promo-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  background: var(--white);
  padding: 12px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-xs);
}

.promo-category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.promo-tab-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background: var(--slate-100);
  color: var(--slate-700);
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.promo-tab-btn:hover {
  background: var(--slate-200);
  color: var(--navy-deep);
}

.promo-tab-btn.active {
  background: var(--blue-vibrant);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(0, 102, 204, 0.3);
}

.promotions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.promo-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.promo-card:hover {
  transform: translateY(-5px);
  border-color: var(--blue-vibrant);
  box-shadow: var(--shadow-xl);
}

.promo-card-header {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-primary));
  color: var(--white);
  padding: 20px 22px;
  position: relative;
}

.promo-badge-tag {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
}

.promo-category-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--cyan-accent);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.promo-card-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.3;
}

.promo-route-info {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 0.9rem;
  color: #cbd5e1;
  font-weight: 600;
}

.promo-route-info svg {
  width: 16px;
  height: 16px;
  fill: var(--cyan-accent);
  flex-shrink: 0;
}

.promo-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.promo-rate-highlight {
  background: #f8fafc;
  border: 1px solid var(--slate-200);
  border-left: 4px solid var(--blue-vibrant);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.promo-rate-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--slate-500);
}

.promo-rate-value {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--navy-deep);
}

.promo-card-highlights {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--slate-700);
  margin-bottom: 20px;
  flex-grow: 1;
}

.promo-card-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.promo-card-highlight-item svg {
  width: 15px;
  height: 15px;
  fill: var(--green-success);
  flex-shrink: 0;
  margin-top: 3px;
}

.promo-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--slate-200);
  padding-top: 14px;
  font-size: 0.8rem;
  color: var(--slate-500);
}

/* ==========================================================================
   China Main Ports Network
   ========================================================================== */
.ports-network-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.port-hub-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
}

.port-hub-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-vibrant);
  box-shadow: var(--shadow-lg);
}

.port-hub-card.headquarters {
  border-left: 4px solid var(--gold-accent);
}

.port-hq-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--gold-accent);
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 4px;
}

.port-city-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy-deep);
  margin-bottom: 3px;
}

.port-un-locode {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue-vibrant);
  margin-bottom: 10px;
}

.port-terminal-desc {
  font-size: 0.85rem;
  color: var(--slate-600);
  line-height: 1.5;
}

/* ==========================================================================
   Official Qualifications & Certificates
   ========================================================================== */
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

@media (max-width: 1024px) {
  .credentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.credential-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.credential-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-vibrant);
  box-shadow: var(--shadow-xl);
}

.credential-thumb-frame {
  height: 220px;
  border-radius: var(--radius-md);
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  overflow: hidden;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.credential-thumb-frame img {
  height: 100%;
  width: 100%;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.credential-card:hover .credential-thumb-frame img {
  transform: scale(1.04);
}

.credential-zoom-hint {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(15, 23, 42, 0.75);
  color: var(--white);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.credential-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy-deep);
  margin-bottom: 6px;
}

.credential-issuer {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blue-vibrant);
  margin-bottom: 8px;
}

.credential-desc {
  font-size: 0.85rem;
  color: var(--slate-600);
  line-height: 1.5;
}

/* ==========================================================================
   Carrier & Shipping Line Partners
   ========================================================================== */
.carriers-container-box {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
}

.carriers-logo-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  align-items: center;
}

.carrier-logo-card {
  height: 64px;
  background: #f8fafc;
  border-radius: var(--radius-sm);
  border: 1px solid var(--slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  transition: all var(--transition-normal);
}

.carrier-logo-card:hover {
  background: var(--white);
  border-color: var(--slate-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.carrier-logo-card img {
  max-height: 38px;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(80%);
  opacity: 0.85;
  transition: all var(--transition-fast);
}

.carrier-logo-card:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* ==========================================================================
   Contact & Direct RFQ Desk
   ========================================================================== */
.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info-panel {
  background: var(--navy-dark);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: 44px 38px;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-panel-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--white);
}

.contact-panel-subtitle {
  font-size: 0.9rem;
  color: var(--slate-400);
  margin-bottom: 30px;
}

.contact-info-rows {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-bottom: 35px;
}

.contact-info-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon-bubble {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(0, 210, 255, 0.15);
  color: var(--cyan-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon-bubble svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.contact-info-text h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--slate-400);
  font-weight: 700;
  margin-bottom: 2px;
}

.contact-info-text p, .contact-info-text a {
  font-size: 0.95rem;
  color: var(--white);
  font-weight: 500;
}

.contact-info-text a:hover {
  color: var(--cyan-accent);
}

.contact-staff-card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  gap: 18px;
}

.contact-avatar-img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--cyan-accent);
}

.contact-staff-info h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
}

.contact-staff-info p {
  font-size: 0.82rem;
  color: var(--slate-300);
  margin-bottom: 4px;
}

.contact-form-panel {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 44px 38px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-200);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-master-footer {
  background: var(--navy-deep);
  color: var(--slate-400);
  padding: 80px 0 35px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-columns-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1.4fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand-group h4 {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-brand-group p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--slate-300);
  margin-bottom: 20px;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--cyan-accent);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-list a {
  color: var(--slate-400);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-bottom-bar {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Modals & Lightbox Dialogs
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(6, 21, 43, 0.8);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-window {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 620px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  position: relative;
  animation: modalScaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-window.modal-large {
  max-width: 820px;
}

@keyframes modalScaleUp {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header-bar {
  padding: 20px 26px;
  border-bottom: 1px solid var(--slate-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header-bar h3 {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--navy-deep);
}

.modal-close-trigger {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--slate-400);
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}

.modal-close-trigger:hover {
  color: var(--navy-deep);
}

.modal-body-content {
  padding: 26px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .services-grid, .promotions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ports-network-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .carriers-logo-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .footer-columns-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-notice-bar {
    display: none;
  }
  .nav-menu-links, .nav-cta-group .btn {
    display: none;
  }
  .mobile-toggle-btn {
    display: block;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .trust-metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .audience-grid, .services-grid, .promotions-grid, .credentials-grid, .contact-layout-grid {
    grid-template-columns: 1fr;
  }
  .ports-network-grid {
    grid-template-columns: 1fr;
  }
  .carriers-logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
