/* ISP page container styles */
#isp-root {
  background-color: #f8fafc;
  min-height: 100vh;
  padding: 24px 32px;
}
#isp-root * {
  box-sizing: border-box;
}

/* Auth form slide-in animation */
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 鈹€鈹€ tailwindcss-animate polyfill 鈹€鈹€ */
@keyframes enter {
  from {
    opacity: var(--tw-enter-opacity, 1);
    transform: translate3d(var(--tw-enter-translate-x, 0), var(--tw-enter-translate-y, 0), 0)
               scale3d(var(--tw-enter-scale, 1), var(--tw-enter-scale, 1), var(--tw-enter-scale, 1))
               rotate(var(--tw-enter-rotate, 0));
  }
}
@keyframes exit {
  to {
    opacity: var(--tw-exit-opacity, 1);
    transform: translate3d(var(--tw-exit-translate-x, 0), var(--tw-exit-translate-y, 0), 0)
               scale3d(var(--tw-exit-scale, 1), var(--tw-exit-scale, 1), var(--tw-exit-scale, 1))
               rotate(var(--tw-exit-rotate, 0));
  }
}
.animate-in {
  animation-name: enter;
  animation-duration: 150ms;
  --tw-enter-opacity: initial;
  --tw-enter-scale: initial;
  --tw-enter-rotate: initial;
  --tw-enter-translate-x: initial;
  --tw-enter-translate-y: initial;
}
.animate-out {
  animation-name: exit;
  animation-duration: 150ms;
  --tw-exit-opacity: initial;
  --tw-exit-scale: initial;
  --tw-exit-rotate: initial;
  --tw-exit-translate-x: initial;
  --tw-exit-translate-y: initial;
}
.fade-in    { --tw-enter-opacity: 0; }
.fade-out   { --tw-exit-opacity: 0; }
.zoom-in    { --tw-enter-scale: 0; }
.zoom-in-50 { --tw-enter-scale: .5; }
.zoom-in-75 { --tw-enter-scale: .75; }
.zoom-in-90 { --tw-enter-scale: .9; }
.zoom-in-95 { --tw-enter-scale: .95; }
.slide-in-from-top-1    { --tw-enter-translate-y: -0.25rem; }
.slide-in-from-top-2    { --tw-enter-translate-y: -0.5rem; }
.slide-in-from-bottom-1 { --tw-enter-translate-y: 0.25rem; }
.slide-in-from-bottom-2 { --tw-enter-translate-y: 0.5rem; }
.slide-in-from-left-1   { --tw-enter-translate-x: -0.25rem; }
.slide-in-from-right-1  { --tw-enter-translate-x: 0.25rem; }
.animate-in.duration-150, .animate-out.duration-150 { animation-duration: 150ms; }
.animate-in.duration-200, .animate-out.duration-200 { animation-duration: 200ms; }
.animate-in.duration-300, .animate-out.duration-300 { animation-duration: 300ms; }
.animate-in.duration-500, .animate-out.duration-500 { animation-duration: 500ms; }

/* Custom scrollbar */
.custom-scrollbar::-webkit-scrollbar { width: 4px; }
.custom-scrollbar::-webkit-scrollbar-track { background: transparent; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 9999px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: #9ca3af; }

/* ========== Multi-language Switcher (hongkongweb style) ========== */
.lang-switcher {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: 12px;
  margin-right: 20px;
  z-index: 1100;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  padding-left: 12px;
}

/* Trigger button */
.lang-switcher-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.98) 100%);
  border: 1.5px solid rgba(79, 142, 255, 0.4);
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 14px 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  line-height: 1;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  outline: none;
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(79, 142, 255, 0.1) inset,
    0 1px 2px rgba(255, 255, 255, 0.05) inset;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lang-switcher-btn:hover {
  border-color: rgba(79, 142, 255, 0.8);
  color: #ffffff;
  background: linear-gradient(135deg, rgba(40, 55, 80, 0.98) 0%, rgba(20, 30, 50, 0.98) 100%);
  box-shadow: 
    0 6px 20px rgba(79, 142, 255, 0.3),
    0 0 0 1px rgba(79, 142, 255, 0.2) inset,
    0 1px 3px rgba(255, 255, 255, 0.1) inset;
  transform: translateY(-1px);
}

.lang-switcher-btn.active {
  border-color: rgba(79, 142, 255, 0.9);
  color: #ffffff;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(37, 99, 235, 0.12) 100%);
  box-shadow: 
    0 8px 24px rgba(79, 142, 255, 0.4),
    0 0 0 1px rgba(79, 142, 255, 0.3) inset,
    0 2px 4px rgba(255, 255, 255, 0.1) inset;
}

.lang-switcher-btn .lang-flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.lang-switcher-btn .lang-flag-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lang-switcher-btn .lang-label {
  font-size: 0.85rem;
  font-weight: 500;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.2px;
}

.lang-switcher-btn .lang-chevron {
  font-size: 0.75rem;
  opacity: 0.85;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s;
  margin-left: 4px;
  color: rgba(255, 255, 255, 0.9);
}

.lang-switcher-btn:hover .lang-chevron {
  opacity: 1;
}

.lang-switcher-btn.active .lang-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

/* 鈹€鈹€ Dropdown Panel 鈹€鈹€ */
.lang-dropdown-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.98) 0%, rgba(15, 23, 42, 0.98) 100%);
  border: 1.5px solid rgba(79, 142, 255, 0.3);
  border-radius: 12px;
  overflow: hidden;
  list-style: none;
  padding: 8px;
  min-width: 180px;
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(79, 142, 255, 0.1) inset,
    0 8px 32px rgba(79, 142, 255, 0.15);
  z-index: 10001;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.96);
  transform-origin: top right;
  transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1), 
              visibility 0.2s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.lang-dropdown-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  animation: langDropFade 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes langDropFade {
  from { 
    opacity: 0; 
    transform: translateY(-8px) scale(0.96); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1); 
  }
}

.lang-dropdown-header {
  display: none;
}

/* 鈹€鈹€ Language Option 鈹€鈹€ */
.lang-option {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: left;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  position: relative;
}

.lang-option:hover {
  background: linear-gradient(135deg, rgba(79, 142, 255, 0.15) 0%, rgba(59, 130, 246, 0.12) 100%);
  color: #ffffff;
  transform: translateX(2px);
  box-shadow: 0 2px 8px rgba(79, 142, 255, 0.2);
}

.lang-option.active {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(79, 142, 255, 0.2) 0%, rgba(59, 130, 246, 0.15) 100%);
  box-shadow: 0 2px 8px rgba(79, 142, 255, 0.25);
  border: 1px solid rgba(79, 142, 255, 0.3);
}

.lang-option .lang-flag {
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

.lang-option .lang-flag-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lang-text {
  flex: 1;
  font-weight: 500;
  letter-spacing: 0.1px;
}

.lang-check {
  margin-left: auto;
  font-size: 0.875rem;
  color: #8BB4FF;
  opacity: 0;
  transition: opacity 0.2s;
  font-weight: 600;
}

.lang-option.active .lang-check {
  opacity: 1;
}

.lang-option.active .lang-check {
  opacity: 1;
}

/* 鈹€鈹€ Responsive 鈹€鈹€ */
@media (max-width: 768px) {
  .lang-switcher-btn .lang-label {
    display: block !important;
  }
  .lang-switcher-btn .lang-chevron {
    display: block !important;
  }
  .lang-switcher {
    border-left: none;
    padding-left: 0;
    margin-left: 8px;
  }
  .lang-dropdown-panel {
    right: -20px;
    min-width: 160px;
  }
}

/* ========== Page Transition Overlay ========== */
#page-transition-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  pointer-events: none;
  opacity: 0;
  background: #f8fafc;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
#page-transition-overlay.active {
  pointer-events: all;
  opacity: 1;
}
/* Loading spinner inside overlay */
#page-transition-overlay .transition-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  opacity: 0;
  transition: opacity 0.25s ease 0.15s;
}
#page-transition-overlay.active .transition-spinner {
  opacity: 1;
}
#page-transition-overlay .spinner-ring {
  width: 36px;
  height: 36px;
  border: 3px solid #e2e8f0;
  border-top-color: #1A73E8;
  border-radius: 50%;
  animation: spinRing 0.7s linear infinite;
}
#page-transition-overlay .spinner-text {
  font-size: 13px;
  color: #64748b;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 500;
  letter-spacing: 0.02em;
}
@keyframes spinRing {
  to { transform: rotate(360deg); }
}

/* ISP page entrance */
#isp-root.entering {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1), transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
#isp-root.entered {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1), transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ISP page exit (back to homepage) */
#isp-root.exiting {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Country item click ripple effect */
.country-item.clicked-active {
  transform: scale(0.96) !important;
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.3) !important;
  border-color: #1A73E8 !important;
  transition: all 0.15s ease !important;
}

/* ========== Out-of-Stock Card Overlay ========== */
.oos-card-overlay {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgb(254,226,226), rgb(254,202,202));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  opacity: 0;
  transform: scale(1.04);
  animation: oosReveal 0.35s cubic-bezier(0.22,1,0.36,1) forwards;
  z-index: 5;
  cursor: default;
  overflow: hidden;
}
.oos-card-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 8px,
    rgba(255,255,255,0.12) 8px,
    rgba(255,255,255,0.12) 16px
  );
  pointer-events: none;
}
@keyframes oosReveal {
  to { opacity: 1; transform: scale(1); }
}
.oos-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: rgba(220,38,38,0.15);
  border: 1px solid rgba(220,38,38,0.25);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  color: #b91c1c;
  letter-spacing: 0.02em;
}
.oos-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #dc2626;
  /* 鍘绘帀鏃犻檺鑴夊啿鍔ㄧ敾浠ュ噺灏?GPU 寮€閿€ */
}
@keyframes oosPulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.oos-notify-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 8px;
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(220,38,38,0.3);
  animation: oosSlideUp 0.4s 0.15s cubic-bezier(0.22,1,0.36,1) both;
}
.oos-notify-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(220,38,38,0.4);
  background: linear-gradient(135deg, #b91c1c, #dc2626);
}
@keyframes oosSlideUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.oos-notify-btn svg {
  width: 13px; height: 13px;
}

/* ========== Restock Notification Modal ========== */
.restock-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: restockFadeIn 0.3s ease forwards;
}
@keyframes restockFadeIn {
  to { opacity: 1; }
}
.restock-backdrop.closing {
  animation: restockFadeOut 0.25s ease forwards;
}
@keyframes restockFadeOut {
  to { opacity: 0; }
}

.restock-modal {
  position: relative;
  width: 480px;
  max-width: 92vw;
  max-height: 88vh;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.18), 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(20px) scale(0.95);
  animation: restockSlideIn 0.35s cubic-bezier(0.22,1,0.36,1) forwards;
}
.restock-backdrop.closing .restock-modal {
  animation: restockSlideOut 0.25s ease forwards;
}
@keyframes restockSlideIn {
  to { transform: translateY(0) scale(1); }
}
@keyframes restockSlideOut {
  to { transform: translateY(20px) scale(0.95); opacity: 0; }
}

/* Modal Header */
.restock-header {
  position: relative;
  padding: 28px 28px 20px;
  background: linear-gradient(135deg, #fef2f2, #fff1f2, #fce7f3);
  overflow: hidden;
}
.restock-header::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(239,68,68,0.08), transparent 70%);
  border-radius: 50%;
}
.restock-header::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -20px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(244,114,182,0.06), transparent 70%);
  border-radius: 50%;
}
.restock-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: none;
  background: rgba(0,0,0,0.04);
  color: #6b7280;
  cursor: pointer;
  transition: all 0.15s;
  z-index: 2;
}
.restock-close-btn:hover {
  background: rgba(0,0,0,0.08);
  color: #374151;
  transform: rotate(90deg);
}
.restock-close-btn svg {
  width: 16px; height: 16px;
}
.restock-country-row {
  display: flex;
  align-items: center;
  gap: 14px;
  position: relative;
  z-index: 1;
}
.restock-country-flag {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.8);
  box-shadow: 0 3px 12px rgba(0,0,0,0.08);
}
.restock-country-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1f2937;
  margin: 0 0 4px;
}
.restock-country-info .oos-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  background: rgba(220,38,38,0.1);
  border: 1px solid rgba(220,38,38,0.15);
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  color: #dc2626;
}
.restock-country-info .oos-tag .dot {
  width: 5px; height: 5px; border-radius: 50%; background: #dc2626;
}
.restock-header-desc {
  position: relative;
  z-index: 1;
  margin-top: 14px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.6);
  border-radius: 10px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12.5px;
  color: #6b7280;
  line-height: 1.5;
}
.restock-header-desc .icon-bell {
  flex-shrink: 0;
  width: 18px; height: 18px;
  color: #f59e0b;
  margin-top: 1px;
}

/* Modal Body */
.restock-body {
  padding: 22px 28px 8px;
  overflow-y: auto;
  max-height: calc(88vh - 260px);
}
.restock-form-group {
  margin-bottom: 18px;
}
.restock-form-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 10px;
}
.restock-form-label .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: linear-gradient(135deg, #1A73E8, #4285F4);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

/* Business Type Cards */
.biz-type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.biz-type-card {
  position: relative;
  padding: 12px 10px;
  border: 1.5px solid #e5e7eb;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  overflow: hidden;
}
.biz-type-card:hover {
  border-color: #93c5fd;
  background: #f0f7ff;
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(26,115,232,0.08);
}
.biz-type-card.selected {
  border-color: #1A73E8;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.12), 0 3px 10px rgba(26,115,232,0.1);
}
.biz-type-card.selected::after {
  content: '鉁?;
  position: absolute;
  top: 4px;
  right: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #1A73E8;
  color: #fff;
  font-size: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.biz-type-card .biz-icon {
  font-size: 22px;
  margin-bottom: 4px;
  line-height: 1;
}
.biz-type-card .biz-name {
  font-size: 12px;
  font-weight: 600;
  color: #374151;
}
.biz-type-card.selected .biz-name {
  color: #1A73E8;
}

/* Product Chips */
.product-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.product-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1.5px solid #e5e7eb;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 13px;
  font-weight: 500;
  color: #374151;
}
.product-chip:hover {
  border-color: #93c5fd;
  background: #f0f7ff;
}
.product-chip.selected {
  border-color: #1A73E8;
  background: #eff6ff;
  color: #1A73E8;
  font-weight: 600;
  box-shadow: 0 0 0 3px rgba(26,115,232,0.08);
}
.product-chip .chip-logo {
  width: 20px; height: 20px;
  border-radius: 4px;
  object-fit: contain;
}
.product-chip .chip-check {
  width: 14px; height: 14px;
  margin-left: auto;
  color: #1A73E8;
  opacity: 0;
  transition: opacity 0.15s;
}
.product-chip.selected .chip-check {
  opacity: 1;
}

/* Other Scene Input (next to 鍏朵粬鍦烘櫙 chip) */
.other-scene-input-wrap {
  flex: 1;
  min-width: 140px;
}
.other-scene-input {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  border: 1.5px solid #e5e7eb;
  border-radius: 10px;
  background: #f9fafb;
  font-size: 13px;
  color: #374151;
  transition: all 0.2s;
  outline: none;
  box-sizing: border-box;
}
.other-scene-input:focus {
  border-color: #1A73E8;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(26,115,232,0.08);
}
.other-scene-input::placeholder {
  color: #9ca3af;
}
.other-scene-input.active {
  border-color: #1A73E8;
  background: #fff;
}

/* Contact Input */
.restock-input-wrap {
  display: flex;
  align-items: center;
  border: 1.5px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.restock-input-wrap:focus-within {
  border-color: #1A73E8;
  box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}
.restock-input-prefix {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  background: #f9fafb;
  color: #6b7280;
  font-size: 13px;
  border-right: 1px solid #e5e7eb;
  height: 44px;
  flex-shrink: 0;
}
.restock-input-prefix svg {
  width: 16px; height: 16px; color: #9ca3af;
}
.restock-input {
  flex: 1;
  border: none;
  outline: none;
  padding: 0 14px;
  height: 44px;
  font-size: 14px;
  color: #1f2937;
  background: transparent;
}
.restock-input::placeholder {
  color: #9ca3af;
}

/* Modal Footer */
.restock-footer {
  padding: 16px 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.restock-submit-btn {
  width: 100%;
  padding: 13px;
  border-radius: 12px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.restock-submit-btn.primary {
  background: linear-gradient(135deg, #1A73E8, #4285F4);
  color: #fff;
  box-shadow: 0 4px 14px rgba(26,115,232,0.3);
}
.restock-submit-btn.primary:hover {
  box-shadow: 0 6px 20px rgba(26,115,232,0.4);
  transform: translateY(-1px);
}
.restock-submit-btn.primary:active {
  transform: translateY(0);
}
.restock-submit-btn.primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.restock-submit-btn svg {
  width: 16px; height: 16px;
}
.restock-footer-note {
  text-align: center;
  font-size: 11.5px;
  color: #9ca3af;
}

/* 鈹€鈹€ Success State 鈹€鈹€ */
.restock-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 28px 36px;
  text-align: center;
}
.restock-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  animation: successPop 0.5s cubic-bezier(0.22,1,0.36,1);
}
@keyframes successPop {
  0% { transform: scale(0); }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); }
}
.restock-success-icon svg {
  width: 30px;
  height: 30px;
  color: #16a34a;
}
.restock-success h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1f2937;
  margin: 0 0 8px;
}
.restock-success p {
  font-size: 13.5px;
  color: #6b7280;
  margin: 0 0 4px;
  line-height: 1.6;
}
.restock-success .details-card {
  margin-top: 16px;
  width: 100%;
  padding: 14px 18px;
  background: #f9fafb;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  text-align: left;
}
.restock-success .details-card .detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 12.5px;
}
.restock-success .details-card .detail-row .label {
  color: #9ca3af;
}
.restock-success .details-card .detail-row .value {
  color: #374151;
  font-weight: 600;
}
.restock-success .close-countdown {
  margin-top: 18px;
  font-size: 12px;
  color: #9ca3af;
}

/* 鈹€鈹€ Toast for out-of-stock 鈹€鈹€ */
.oos-toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  z-index: 10002;
  background: #fff;
  border-radius: 14px;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.04);
  border: 1px solid rgba(220,38,38,0.15);
  opacity: 0;
  animation: toastIn 0.4s cubic-bezier(0.22,1,0.36,1) forwards;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.oos-toast.leaving {
  animation: toastOut 0.3s ease forwards;
}
@keyframes toastIn {
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateX(-50%) translateY(-16px); }
}
.oos-toast-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #fef2f2, #fee2e2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.oos-toast-icon svg {
  width: 18px; height: 18px; color: #ef4444;
}
.oos-toast-text .title { font-size: 14px; font-weight: 600; color: #1f2937; }
.oos-toast-text .subtitle { font-size: 12px; color: #6b7280; margin-top: 2px; }

/* 鈺愨晲鈺愨晲鈺愨晲 Restock CAPTCHA Puzzle 鈺愨晲鈺愨晲鈺愨晲 */
.restock-captcha-box {
  border: 1.5px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  transition: border-color 0.25s;
}
.restock-captcha-box.verified { border-color: #22c55e; }
.restock-captcha-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; cursor: pointer; user-select: none;
  transition: background 0.2s;
}
.restock-captcha-bar:hover { background: #f9fafb; }
.restock-captcha-bar.verified { background: #f0fdf4; cursor: default; }
.restock-captcha-bar .cap-checkbox {
  width: 24px; height: 24px; min-width: 24px;
  border: 2px solid #d1d5db; border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.25s; background: #fff;
}
.restock-captcha-bar.verified .cap-checkbox { background: #22c55e; border-color: #22c55e; }
.restock-captcha-bar .cap-text { font-size: 13px; color: #6b7280; flex: 1; }
.restock-captcha-bar.verified .cap-text { color: #16a34a; font-weight: 600; }
.rcap-popup-area { border-top: 1px solid #f0f0f0; }
.rcap-popup-hd {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 14px; border-bottom: 1px solid #f0f0f0; background: #fafafa;
}
.rcap-popup-hd span { font-size: 12px; font-weight: 500; color: #374151; }
.rcap-close {
  width: 22px; height: 22px; border: none; background: transparent;
  border-radius: 4px; cursor: pointer; display: flex;
  align-items: center; justify-content: center;
  color: #9ca3af; transition: background 0.15s;
}
.rcap-close:hover { background: #e5e7eb; color: #374151; }
.rcap-canvas-wrap { position: relative; width: 100%; line-height: 0; background: #e5e7eb; }
.rcap-refresh {
  position: absolute; top: 6px; right: 6px;
  width: 24px; height: 24px; border-radius: 50%;
  border: none; background: rgba(0,0,0,0.35); color: white;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, transform 0.35s; z-index: 5;
}
.rcap-refresh:hover { background: rgba(0,0,0,0.55); transform: rotate(180deg); }
.rcap-slider {
  position: relative; width: 100%; height: 36px;
  background: #f3f4f6; border-top: 1px solid #e5e7eb;
  user-select: none; cursor: default; transition: background 0.2s;
}
.rcap-slider.dragging { background: #eff6ff; }
.rcap-slider.verified { background: #f0fdf4; border-top-color: #bbf7d0; }
.rcap-slider.failed { background: #fef2f2; border-top-color: #fecaca; }
.rcap-slider-fill {
  position: absolute; top: 0; left: 0; height: 100%;
  background: rgba(26,115,232,0.08); pointer-events: none;
}
.rcap-slider.verified .rcap-slider-fill { background: rgba(34,197,94,0.12); }
.rcap-slider.failed .rcap-slider-fill { background: rgba(239,68,68,0.1); }
.rcap-slider-text {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-size: 11px; color: #9ca3af; white-space: nowrap; pointer-events: none;
}
.rcap-slider.verified .rcap-slider-text { color: #22c55e; font-weight: 500; }
.rcap-slider.failed .rcap-slider-text { color: #ef4444; font-weight: 500; }
.rcap-slider-handle {
  position: absolute; top: 2px; width: 32px; height: 32px;
  background: #fff; border: 1px solid #d1d5db; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  cursor: grab; box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  transition: box-shadow 0.2s, border-color 0.2s, background 0.2s;
  z-index: 10; touch-action: none;
}
.rcap-slider-handle:hover { box-shadow: 0 2px 8px rgba(26,115,232,0.18); border-color: #1A73E8; }
.rcap-slider-handle:active { cursor: grabbing; }
.rcap-slider-handle.verified { background: #22c55e; border-color: #22c55e; cursor: default; box-shadow: 0 2px 8px rgba(34,197,94,0.3); }
.rcap-slider-handle.failed { background: #ef4444; border-color: #ef4444; cursor: default; box-shadow: 0 2px 8px rgba(239,68,68,0.3); }
.rcap-footer {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  padding: 5px; border-top: 1px solid #f0f0f0; background: #fafafa;
}
.rcap-footer span { font-size: 10px; color: #9ca3af; }
.rcap-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; justify-content: center; z-index: 4;
}
.rcap-overlay.success { background: rgba(34,197,94,0.3); animation: pcOverlayIn 0.3s ease; }
.rcap-overlay.fail { background: rgba(239,68,68,0.3); animation: pcOverlayIn 0.3s ease; }

/* 鈺愨晲鈺愨晲鈺愨晲 Email Verification Code 鈺愨晲鈺愨晲鈺愨晲 */
.restock-verify-section {
  opacity: 0.4; pointer-events: none; transition: opacity 0.3s;
}
.restock-verify-section.active { opacity: 1; pointer-events: auto; }
.restock-verify-hint {
  font-size: 11.5px; color: #9ca3af; margin-bottom: 8px;
  display: flex; align-items: center; gap: 5px;
}
.restock-verify-hint svg { width: 14px; height: 14px; flex-shrink: 0; }
.restock-verify-row { display: flex; gap: 8px; align-items: center; }
.restock-verify-input {
  flex: 1; border: 1.5px solid #e5e7eb; border-radius: 10px;
  padding: 0 14px; height: 42px; font-size: 15px; color: #1f2937;
  outline: none; background: #fff; transition: border-color 0.2s, box-shadow 0.2s;
  letter-spacing: 6px; font-weight: 600;
}
.restock-verify-input:focus { border-color: #1A73E8; box-shadow: 0 0 0 3px rgba(26,115,232,0.1); }
.restock-verify-input::placeholder { color: #9ca3af; letter-spacing: normal; font-weight: normal; }
.restock-send-code-btn {
  min-width: 110px; height: 42px; padding: 0 14px;
  border-radius: 10px; border: none; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.2s; white-space: nowrap;
  background: linear-gradient(135deg, #1A73E8, #4285F4); color: #fff;
  box-shadow: 0 2px 8px rgba(26,115,232,0.2);
}
.restock-send-code-btn:hover:not(:disabled) { box-shadow: 0 4px 14px rgba(26,115,232,0.3); transform: translateY(-1px); }
.restock-send-code-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; background: #d1d5db; color: #6b7280; }
.restock-verify-status {
  margin-top: 6px; font-size: 12px; display: flex; align-items: center; gap: 4px;
}
.restock-verify-status.success { color: #16a34a; }
.restock-verify-status.error { color: #ef4444; }
.restock-verify-status.info { color: #6b7280; }

/* ========== 鎵嬫満绔搷搴斿紡浼樺寲 ========== */
@media (max-width: 768px) {
  /* ISP 椤甸潰 */
  #isp-root {
    padding: 16px !important;
  }

  /* 寮圭獥妯℃€佹 */
  .restock-modal {
    width: 95vw !important;
    max-width: 95vw !important;
    border-radius: 16px !important;
  }
  .restock-header {
    padding: 20px 18px 16px !important;
  }
  .restock-body {
    padding: 16px 18px 8px !important;
  }
  .restock-footer {
    padding: 12px 18px 20px !important;
  }
  .restock-country-flag {
    width: 44px !important;
    height: 44px !important;
  }
  .restock-country-info h3 {
    font-size: 16px !important;
  }
  
  /* 涓氬姟绫诲瀷缃戞牸 鈫?2鍒?*/
  .biz-type-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  
  /* 浜у搧鏍囩鎹㈣ */
  .product-chips-wrap {
    gap: 6px !important;
  }
  .product-chip {
    padding: 6px 10px !important;
    font-size: 12px !important;
  }
  
  /* Toast 閫氱煡 */
  .oos-toast {
    width: 90vw !important;
    max-width: 90vw !important;
    padding: 12px 16px !important;
    border-radius: 12px !important;
  }
  
  /* 璇█鍒囨崲闈㈡澘 */
  .lang-dropdown-panel {
    right: -10px !important;
    min-width: 150px !important;
  }
  .lang-option {
    padding: 8px 12px !important;
    font-size: 0.8rem !important;
  }
}

@media (max-width: 480px) {
  #isp-root {
    padding: 12px 10px !important;
  }
  .restock-modal {
    border-radius: 14px !important;
  }
  .biz-type-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 6px !important;
  }
  .biz-type-card {
    padding: 10px 8px !important;
  }
  .biz-type-card .biz-icon {
    font-size: 18px !important;
  }
  .biz-type-card .biz-name {
    font-size: 11px !important;
  }
}

/* ========== Homepage Styles (from original prebuilt CSS) ========== */
.home-container {
  width: 100%;
  min-height: 100vh;
  background: #000;
  color: #fff;
  overflow-x: hidden;
}

/* ========== Header/Navigation ========== */
.home-header {
  position: fixed;
  top: 20px;
  left: 5%;
  right: 5%;
  z-index: 1000;
  background: rgba(67, 67, 67, 0.5);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 12px 24px;
  border-radius: 20px;
}

.header-content {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  flex-shrink: 0;
  min-width: 0;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.brand-logo svg {
  display: block;
  width: 100%;
  height: 100%;
}

.brand-wordmark {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 0;
  padding-bottom: 5px;
  overflow: visible;
}

.brand-wordmark::after {
  content: '';
  position: absolute;
  left: 2px;
  right: 4px;
  bottom: 0;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(125, 211, 252, 0.05), rgba(96, 165, 250, 0.9), rgba(29, 78, 216, 0.08));
}

.brand-wordmark-main {
  display: block;
  white-space: nowrap;
  overflow: visible;
  line-height: 1.2;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: #667eea;
}

.login-btn {
  padding: 10px 22px;
  background: #2f73f2;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: transform 0.3s, box-shadow 0.3s;
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* ========== Hero Section ========== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 80px 60px;
  position: relative;
}

.hero-video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 1.2s ease;
}

.hero-video-intro {
  z-index: 2;
  opacity: 1;
}

.hero-video-loop {
  z-index: 1;
  opacity: 0;
}

.hero-content {
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 40px;
  letter-spacing: 0.02em;
  text-shadow: 0 4px 30px rgba(0,0,0,0.3);
  background: linear-gradient(135deg, #ffffff 0%, #e0e8ff 50%, #a8c0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(18px, 2.5vw, 28px);
  line-height: 1.8;
  margin-bottom: 50px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.9);
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.cta-button {
  padding: 18px 48px;
  background: linear-gradient(135deg, #4F8EFF 0%, #2563eb 50%, #1d4ed8 100%);
  color: #fff;
  border: none;
  border-radius: 60px;
  font-size: clamp(16px, 2vw, 24px);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  width: auto;
  letter-spacing: 0.1em;
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.4), 0 0 0 0 rgba(79, 142, 255, 0.4);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(102, 126, 234, 0.5);
}

/* ========== Use Cases Section ========== */
.use-cases-section {
  padding: 100px 80px;
  background: #f0f2f5;
}

.section-title {
  text-align: center;
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 80px;
  color: #000;
  letter-spacing: 1px;
}

.use-cases-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 80px;
  flex-wrap: wrap;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.tab-btn {
  padding: 14px 32px;
  background: #e8eaed;
  border: none;
  color: #333;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 16px;
  font-weight: 500;
}

.tab-btn:hover {
  background: #d8dadd;
}

.tab-btn.active {
  background: #333;
  color: #fff;
}

.use-case-content {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: #f7f9fb;
  border-radius: 20px;
  padding: 60px;
  border: 1px solid #e0e4e8;
}

.use-case-text {
  padding: 0;
}

.case-icon {
  margin-bottom: 32px;
  font-size: 48px;
}

.use-case-text h3 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #000;
}

.use-case-text p {
  font-size: 18px;
  line-height: 1.8;
  color: #333;
  margin-bottom: 32px;
}

.learn-more-btn {
  padding: 12px 22px;
  background: transparent;
  border: 2px solid #4A90E2;
  color: #4a90e2;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 16px;
  font-weight: 500;
}

.learn-more-btn:hover {
  background: #4a90e2;
  color: #fff;
}

.use-case-illustration {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.illustration-img {
  width: 100%;
  max-width: 600px;
  height: auto;
  object-fit: contain;
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
  .home-header {
    left: 2%;
    right: 2%;
    padding: 15px 20px;
  }

  .nav-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: flex !important;
  }

  .hero-title {
    font-size: 48px;
  }

  .hero-subtitle {
    font-size: 18px;
    letter-spacing: 10px;
  }

  .cta-button {
    width: 100%;
    max-width: 350px;
    height: auto;
    font-size: 28px;
  }

  .section-title {
    font-size: 32px;
  }

  .use-case-content {
    grid-template-columns: 1fr;
  }

  .use-cases-tabs {
    gap: 12px;
  }

  .tab-btn {
    padding: 10px 20px;
    font-size: 14px;
  }
}

/* ========== Mobile Navigation ========== */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1099;
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 320px;
  height: 100vh;
  background: rgba(15, 23, 42, 0.98) !important;
  backdrop-filter: blur(20px);
  transition: right 0.3s ease;
  z-index: 1100;
  overflow-y: auto;
  padding: 100px 20px 20px;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  color: #fff !important;
  text-decoration: none;
  border-radius: 8px;
  margin-bottom: 8px;
}

.mobile-section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  color: #fff !important;
  background: transparent !important;
  cursor: pointer;
  border-radius: 8px;
  user-select: none;
}

.mobile-section-arrow {
  margin-left: auto;
  color: #000;
  transition: transform 0.3s ease;
}

.mobile-section-header.open .mobile-section-arrow {
  transform: rotate(90deg);
}

.mobile-section-items {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding-left: 20px;
}

.mobile-section-items.open {
  max-height: 500px;
}

.mobile-sub-link {
  display: block;
  padding: 12px 16px;
  color: rgba(255, 255, 255, 0.8) !important;
  text-decoration: none;
  border-radius: 8px;
  margin-bottom: 4px;
}

.mobile-sub-desc {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6) !important;
  margin-top: 4px;
}

.mobile-login-btn {
  display: block;
  text-align: center;
  background: #2f73f2;
  color: #000;
  padding: 16px;
  border-radius: 8px;
  text-decoration: none;
  margin-top: 20px;
}