/* ==========================================================================
   B2B Luggage Manufacturer — Professional Stylesheet
   Modern, Clean, Industrial Trust, High Usability
   ========================================================================== */

:root {
  --color-primary: #1e293b;         /* Slate 800 - Professional Dark */
  --color-primary-dark: #0f172a;    /* Slate 900 */
  --color-accent: #0284c7;          /* Sky 600 - Business Blue Accent */
  --color-accent-hover: #0369a1;    /* Sky 700 */
  --color-whatsapp: #16a34a;        /* Green 600 */
  --color-whatsapp-hover: #15803d;
  --color-bg-main: #f8fafc;         /* Slate 50 */
  --color-bg-card: #ffffff;
  --color-bg-muted: #f1f5f9;        /* Slate 100 */
  --color-border: #e2e8f0;          /* Slate 200 */
  --color-border-dark: #cbd5e1;
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;      /* Slate 500 */
  --color-text-light: #94a3b8;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-max: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --transition: all 0.2s ease-in-out;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.top-bar {
  background-color: var(--color-primary-dark);
  color: #e2e8f0;
  font-size: 13px;
  padding: 8px 0;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-bar-contacts {
  display: flex;
  gap: 20px;
  align-items: center;
}

.top-bar-link {
  color: #cbd5e1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-bar-link:hover {
  color: #ffffff;
}

.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.brand-logo {
  display: flex;
  flex-direction: column;
}

.brand-logo .logo-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: -0.5px;
}

.brand-logo .logo-sub {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-weight: 500;
  font-size: 15px;
  color: var(--color-primary);
  padding: 6px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
}

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

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 18px;
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #ffffff;
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border-dark);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-bg-muted);
  border-color: var(--color-primary);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  padding: 60px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  background-color: rgba(2, 132, 199, 0.2);
  color: #38bdf8;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.hero-title {
  font-size: 38px;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 17px;
  color: #94a3b8;
  margin-bottom: 30px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-trust-badges {
  display: flex;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-item .num {
  font-size: 20px;
  font-weight: 700;
  color: #38bdf8;
}

.trust-item .label {
  font-size: 12px;
  color: #94a3b8;
}

.hero-image-wrapper {
  position: relative;
  background: #ffffff;
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

.hero-image-wrapper img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.hero-image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
}

/* ==========================================================================
   Section Layouts
   ========================================================================== */
.section {
  padding: 70px 0;
}

.section-muted {
  background-color: #f1f5f9;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.section-tag {
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  line-height: 1.3;
}

.section-description {
  font-size: 16px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Product Grid & Cards
   ========================================================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-dark);
}

.product-image-container {
  aspect-ratio: 1 / 1;
  background-color: #ffffff;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.product-image-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.product-card:hover .product-image-container img {
  transform: scale(1.03);
}

.product-card-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.product-card-content {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-category-tag {
  font-size: 12px;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 6px;
}

.product-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  line-height: 1.4;
}

.product-card-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-meta {
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.color-dots {
  display: flex;
  gap: 4px;
}

.color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.1);
}

/* ==========================================================================
   Category Pill Filter
   ========================================================================== */
.category-filter-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.category-pill {
  padding: 8px 16px;
  border-radius: 20px;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-main);
  transition: var(--transition);
}

.category-pill:hover, .category-pill.active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

/* ==========================================================================
   Product Detail Page
   ========================================================================== */
.product-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.gallery-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.gallery-main-image {
  aspect-ratio: 1 / 1;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px;
}

.gallery-main-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.gallery-thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.gallery-thumb {
  width: 72px;
  height: 72px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  cursor: pointer;
  flex-shrink: 0;
  overflow: hidden;
  transition: var(--transition);
}

.gallery-thumb:hover, .gallery-thumb.active {
  border-color: var(--color-accent);
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-info h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.product-id-badge {
  display: inline-block;
  background: var(--color-bg-muted);
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.product-detail-desc {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.spec-heading {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

/* ==========================================================================
   Product Image Lightbox (FIX-06)
   ========================================================================== */
.lightbox-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.92);
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.25s ease-in-out;
}

.lightbox-modal.show {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  background-color: #ffffff;
}

.lightbox-caption {
  color: #f1f5f9;
  font-size: 14px;
  margin-top: 12px;
  text-align: center;
  max-width: 800px;
}

.lightbox-close {
  position: absolute;
  top: -45px;
  right: 0;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 32px;
  font-weight: 300;
  cursor: pointer;
  padding: 4px 10px;
  line-height: 1;
}

.lightbox-close:hover {
  color: #38bdf8;
}

.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.lightbox-prev { left: -60px; }
.lightbox-next { right: -60px; }

.lightbox-prev:hover, .lightbox-next:hover {
  background-color: var(--color-accent);
}

.gallery-main-image {
  cursor: zoom-in;
}

/* ==========================================================================
   WhatsApp Floating Action Button (FIX-07)
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 990;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-whatsapp);
  color: #ffffff;
  padding: 12px 18px;
  border-radius: 30px;
  box-shadow: 0 10px 15px -3px rgba(22, 163, 74, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  background-color: var(--color-whatsapp-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 14px 20px -3px rgba(22, 163, 74, 0.5);
}

.whatsapp-float-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

@media (max-width: 768px) {
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
  .lightbox-close { top: -40px; right: 10px; }
  
  .whatsapp-float {
    bottom: 16px;
    right: 16px;
    padding: 10px 14px;
    font-size: 13px;
  }
  .whatsapp-float-text {
    display: none;
  }
  .whatsapp-float {
    border-radius: 50%;
    width: 48px;
    height: 48px;
    padding: 0;
    justify-content: center;
  }
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
  font-size: 14px;
}

.spec-table th, .spec-table td {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.spec-table th {
  background-color: var(--color-bg-muted);
  color: var(--color-primary);
  width: 32%;
  font-weight: 600;
}

.spec-table td {
  color: var(--color-text-main);
}

.badge-pending {
  color: #d97706;
  font-weight: 600;
  font-size: 12px;
}

.inquiry-box {
  background-color: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 24px;
}

.inquiry-box h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.inquiry-box p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.inquiry-cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-question::after {
  content: '+';
  font-size: 20px;
  color: var(--color-text-muted);
}

.faq-item.active .faq-question::after {
  content: '−';
}

.faq-answer {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Capabilities & Features
   ========================================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(2, 132, 199, 0.1);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   OEM / ODM Process
   ========================================================================== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.step-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 24px;
  border-radius: var(--radius-md);
  position: relative;
}

.step-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.8;
  margin-bottom: 8px;
}

.step-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Contact Page Layout
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  background: var(--color-bg-muted);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
  font-size: 18px;
}

.contact-item-content h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-item-content p, .contact-item-content a {
  font-size: 14px;
  color: var(--color-text-muted);
}

.contact-form-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-notice {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 10px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #94a3b8;
  padding: 60px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col p {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #94a3b8;
  font-size: 14px;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */
.breadcrumb-nav {
  padding: 16px 0;
  background-color: var(--color-bg-muted);
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-muted);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.breadcrumb-list a:hover {
  color: var(--color-accent);
}

.breadcrumb-separator {
  color: var(--color-text-light);
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-buttons, .hero-trust-badges {
    justify-content: center;
  }
  .product-detail-layout {
    grid-template-columns: 1fr;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--color-border);
  }
  .main-nav.show {
    display: flex;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 28px;
  }
  .section-title {
    font-size: 24px;
  }
}

/* ==========================================================================
   询盘异步提交状态组件 (M1: Real Persistence Feedback)
   ========================================================================== */
.turnstile-container {
  margin: 0 0 16px;
  min-height: 0;
}

.inquiry-status {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  line-height: 1.55;
  border: 1px solid transparent;
}

.inquiry-status--pending {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #334155;
}

.inquiry-status--success {
  background: #ecfdf5;
  border-color: #6ee7b7;
  color: #065f46;
}

.inquiry-status--error {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #991b1b;
}

.inquiry-success-card {
  margin-top: 16px;
  padding: 18px;
  border-radius: 10px;
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #14532d;
}

.inquiry-success-card strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}

.inquiry-success-card p {
  margin: 0;
  font-size: 13px;
  color: #166534;
}

.inquiry-success-card code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: #dcfce7;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12.5px;
}

.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 人机验证失败后的手动重试按钮（300010 等瞬时错误） */
.inquiry-retry-btn {
  display: inline-block;
  margin-top: 8px;
  padding: 5px 12px;
  font-size: 12.5px;
  font-family: inherit;
  font-weight: 600;
  color: #991b1b;
  background: #fff;
  border: 1px solid #fca5a5;
  border-radius: 6px;
  cursor: pointer;
}

.inquiry-retry-btn:hover {
  background: #fef2f2;
  border-color: #f87171;
}