:root {
  
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #dbeafe;
  --primary-dark: #1e40af;

  
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  
  --success-color: #059669;
  --success-light: #d1fae5;
  --warning-color: #d97706;
  --warning-light: #fef3c7;
  --error-color: #dc2626;
  --error-light: #fee2e2;

  
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;

  
  --border-color: #e5e7eb;
  --border-focus: #2563eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;

  
  --transition: all 0.15s ease-in-out;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  
  --glow-primary: 0 0 20px rgba(37, 99, 235, 0.3);
  --glow-success: 0 0 20px rgba(5, 150, 105, 0.3);
  --glow-warning: 0 0 20px rgba(217, 119, 6, 0.3);
  --glow-error: 0 0 20px rgba(220, 38, 38, 0.3);
}


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

html {
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


.pro-container {
  max-width: 480px;
  margin: var(--space-8) auto;
  padding: var(--space-6);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.pro-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  animation: shimmer 3s ease-in-out infinite;
  pointer-events: none;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}


.pro-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.pro-logo {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  background: var(--primary-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  font-weight: 600;
}

.pro-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: -0.025em;
}

.pro-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 400;
}


.pro-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.pro-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.02) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.pro-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md), var(--glow-primary);
  transform: translateY(-2px);
}

.pro-card:hover::before {
  opacity: 1;
}

.pro-card.success {
  border-color: var(--success-color);
  background: var(--success-light);
  box-shadow: var(--shadow-md), var(--glow-success);
}

.pro-card.warning {
  border-color: var(--warning-color);
  background: var(--warning-light);
  box-shadow: var(--shadow-md), var(--glow-warning);
}

.pro-card.error {
  border-color: var(--error-color);
  background: var(--error-light);
  box-shadow: var(--shadow-md), var(--glow-error);
}


.pro-price {
  text-align: center;
  margin-bottom: var(--space-6);
  position: relative;
}

.price-amount {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: var(--space-2);
  letter-spacing: -0.05em;
  text-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
  animation: priceGlow 3s ease-in-out infinite alternate;
}

@keyframes priceGlow {
  0% { text-shadow: 0 2px 4px rgba(37, 99, 235, 0.2); }
  100% { text-shadow: 0 2px 8px rgba(37, 99, 235, 0.4), 0 0 16px rgba(37, 99, 235, 0.2); }
}

.price-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}


.pro-form-group {
  margin-bottom: var(--space-6);
}

.pro-form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.pro-input-wrapper {
  position: relative;
}

.pro-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: var(--transition);
}

.pro-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1), var(--glow-primary);
  transform: translateY(-1px);
}

.pro-input::placeholder {
  color: var(--text-muted);
}

.pro-input-status {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.875rem;
}


.pro-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  min-height: 44px;
}

.pro-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.pro-btn.primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.pro-btn.primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-smooth);
}

.pro-btn.primary:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-color) 100%);
  box-shadow: var(--shadow-md), var(--glow-primary);
  transform: translateY(-2px);
}

.pro-btn.primary:hover::before {
  left: 100%;
}

.pro-btn.secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.pro-btn.secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}

.pro-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pro-btn-full {
  width: 100%;
}

.pro-btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
  min-height: 48px;
}


.pro-status-message {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  display: none;
}

.pro-status-message.success {
  background: var(--success-light);
  color: var(--success-color);
  border: 1px solid var(--success-color);
}

.pro-status-message.warning {
  background: var(--warning-light);
  color: var(--warning-color);
  border: 1px solid var(--warning-color);
}

.pro-status-message.error {
  background: var(--error-light);
  color: var(--error-color);
  border: 1px solid var(--error-color);
}


.pro-info-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pro-info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--gray-100);
}

.pro-info-item:last-child {
  border-bottom: none;
}

.pro-info-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.pro-info-value {
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 600;
  text-align: right;
}


.pro-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pro-feature-item {
  display: flex;
  align-items: center;
  padding: var(--space-2) 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pro-feature-item::before {
  content: "✓";
  color: var(--success-color);
  font-weight: 600;
  margin-right: var(--space-3);
  font-size: 1rem;
}


.pro-status-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 600;
}

.pro-status-icon.success {
  background: var(--success-light);
  color: var(--success-color);
}

.pro-status-icon.warning {
  background: var(--warning-light);
  color: var(--warning-color);
}

.pro-status-icon.error {
  background: var(--error-light);
  color: var(--error-color);
}


.pro-action-group {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}


@media (max-width: 640px) {
  .pro-container {
    margin: var(--space-4);
    padding: var(--space-4);
  }

  .pro-action-group {
    flex-direction: column;
  }

  .pro-btn {
    width: 100%;
  }
}


.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }


.pro-loading {
  position: relative;
  overflow: hidden;
}

.pro-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
  animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}


.pro-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.pro-status-indicator.processing {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.pro-status-indicator.processing::before {
  content: '';
  width: 12px;
  height: 12px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}


.pro-qr-display {
  text-align: center;
  margin: var(--space-6) 0;
}

.pro-qr-wrapper {
  display: inline-block;
  padding: var(--space-4);
  background: var(--bg-primary);
  border: 2px solid var(--primary-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md), var(--glow-primary);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.pro-qr-wrapper::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--primary-color), var(--primary-hover), var(--primary-color));
  border-radius: var(--radius-lg);
  z-index: -1;
  animation: borderRotate 3s linear infinite;
}

.pro-qr-wrapper:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg), var(--glow-primary);
}

@keyframes borderRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.pro-qr-image {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
  cursor: pointer;
}


.pro-countdown {
  text-align: center;
  padding: var(--space-4);
  background: linear-gradient(135deg, rgba(217, 119, 6, 0.1) 0%, rgba(217, 119, 6, 0.05) 100%);
  border: 2px solid var(--warning-color);
  border-radius: var(--radius-lg);
  margin: var(--space-4) 0;
  box-shadow: var(--shadow-md), var(--glow-warning);
}

.countdown-time {
  font-family: 'Inter', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--warning-color);
  text-shadow: 0 2px 4px rgba(217, 119, 6, 0.3);
  animation: countdownPulse 1s ease-in-out infinite alternate;
}

@keyframes countdownPulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}

.countdown-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: var(--space-2);
  font-weight: 500;
}


.pro-notification {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.pro-notification::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary-color);
}

.pro-notification.success::before {
  background: var(--success-color);
}

.pro-notification.warning::before {
  background: var(--warning-color);
}

.pro-notification.error::before {
  background: var(--error-color);
}

.pro-notification.show {
  transform: translateX(0);
}


.pro-page-enter {
  animation: pageEnter 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pageEnter {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}



.pro-info-list, .pro-info-item, .pro-info-label, .pro-info-value,
.pro-feature-list, .pro-feature-item {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;


.ip-highlight {
  color: var(--primary-color);
  font-weight: 700;
}

}