/* Background */
    .bg-pattern {
      position: fixed;
      inset: 0;
      background-image: 
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
      background-size: 40px 40px;
      pointer-events: none;
    }
    
    .gradient-orb {
      position: fixed;
      border-radius: 50%;
      filter: blur(100px);
      pointer-events: none;
      opacity: 0.5;
    }
    
    .orb-1 {
      width: 700px;
      height: 700px;
      background: linear-gradient(135deg, rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.02));
      top: -250px;
      right: -150px;
    }
    
    .orb-2 {
      width: 600px;
      height: 600px;
      background: linear-gradient(135deg, rgba(220, 38, 38, 0.08), rgba(220, 38, 38, 0.02));
      bottom: 10%;
      left: -200px;
    }
    
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      border-radius: 10px;
      font-size: 14px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.2s;
      cursor: pointer;
      border: none;
    }
    
    .btn-primary {
      background: var(--accent);
      color: white;
    }
    
    .btn-primary:hover {
      background: var(--accent-dim);
      transform: translateY(-1px);
      box-shadow: var(--shadow-lg);
    }
    
    .btn-secondary {
      background: var(--bg-card);
      color: var(--text-primary);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
    }
    
    .btn-secondary:hover {
      border-color: var(--border-active);
      box-shadow: var(--shadow-md);
    }
    
    .btn-warm {
      background: var(--warm);
      color: white;
    }
    
    .btn-warm:hover {
      filter: brightness(1.1);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(220, 38, 38, 0.3);
    }
    
    .btn-outline {
      background: transparent;
      color: var(--text-secondary);
      border: 1px solid var(--border-subtle);
    }
    
    .btn-outline:hover {
      color: var(--text-primary);
      border-color: var(--text-primary);
      background: var(--bg-secondary);
    }
    
    /* Page Hero */
    .page-hero {
      text-align: center;
      padding: 60px 0 40px;
    }
    
    @media (min-width: 768px) {
      .page-hero { padding: 80px 0 60px; }
    }
    
    .page-hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      border-radius: 9999px;
      background: var(--bg-secondary);
      border: 1px solid var(--border-subtle);
      color: var(--text-secondary);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
    }
    
    .page-hero-title {
      font-size: 42px;
      font-weight: 700;
      line-height: 1.1;
      letter-spacing: -0.03em;
      color: var(--text-primary);
      margin-bottom: 16px;
    }
    
    @media (min-width: 768px) {
      .page-hero-title { font-size: 56px; }
    }
    
    .page-hero-desc {
      font-size: 18px;
      color: var(--text-secondary);
      line-height: 1.6;
      max-width: 600px;
      margin: 0 auto;
    }
    
    /* Section */
    .pricing-section {
      padding: 60px 0;
    }
    [data-token-section][hidden] { display: none; }

    .token-section {
      background: var(--bg-secondary);
      padding: 80px 0;
    }
    
    @media (min-width: 768px) {
      .pricing-section { padding: 80px 0; }
    }
    
    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }
    
    .section-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-bottom: 12px;
    }
    
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 12px;
    }
    
    @media (min-width: 768px) {
      .section-title { font-size: 40px; }
    }
    
    .section-subtitle {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 500px;
      margin: 0 auto;
    }
    
    /* Pricing Cards Grid */
    .billing-tabs {
      width: fit-content;
      margin: 0 auto 32px;
      padding: 4px;
      border-radius: 9999px;
      background: var(--bg-secondary);
      display: flex;
      gap: 4px;
    }

    .billing-tab {
      padding: 9px 24px;
      border: 0;
      border-radius: 9999px;
      background: transparent;
      color: var(--text-secondary);
      font-size: 14px;
      cursor: pointer;
    }

    .billing-tab.active {
      background: var(--bg-card);
      color: var(--text-primary);
      font-weight: 600;
      box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
    }

    .billing-tab-yearly {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .billing-tab-saving {
      color: #ff4d4f;
      font-size: 13px;
      font-weight: 400;
      white-space: nowrap;
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
      align-items: start;
    }
    
    @media (min-width: 640px) {
      .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    }
    
    @media (min-width: 1024px) {
      .pricing-grid { grid-template-columns: repeat(var(--tier-count, 4), minmax(0, 1fr)); }
    }

    .pricing-grid.loading,
    .token-grid.loading {
      display: grid;
      align-items: start;
    }

    .pricing-grid.loading {
      min-height: 420px;
    }

    .tier-empty {
      grid-column: 1 / -1;
      align-self: center;
      justify-self: center;
      color: var(--text-muted);
      font-size: 14px;
    }

    .tier-skeleton-card {
      min-width: 0;
      min-height: 320px;
      padding: 24px;
      border: 1px solid #ebebeb;
      border-radius: 16px;
      background: #fff;
    }
    .token-grid .tier-skeleton-card { min-height: 260px; }
    .tier-skeleton-card i {
      display: block;
      height: 16px;
      margin-bottom: 18px;
      border-radius: 5px;
      background: linear-gradient(90deg, #ededed 25%, #f8f8f8 50%, #ededed 75%);
      background-size: 200% 100%;
      animation: tier-skeleton 1.25s ease-in-out infinite;
    }
    .tier-skeleton-card i:nth-child(1) { width: 45%; height: 20px; }
    .tier-skeleton-card i:nth-child(2) { width: 62%; height: 36px; margin-top: 24px; }
    .tier-skeleton-card i:nth-child(3) { width: 54%; }
    .tier-skeleton-card i:nth-child(4) { width: 100%; height: 40px; margin-top: 26px; }
    .tier-skeleton-card i:nth-child(5) { width: 78%; }
    @keyframes tier-skeleton { to { background-position: -200% 0; } }
    
    .pricing-card {
      min-width: 0;
      box-sizing: border-box;
      background: #fff;
      border: 1px solid #ebebeb;
      border-radius: 16px;
      padding: 24px;
      transition: box-shadow 0.2s ease;
      display: flex;
      flex-direction: column;
    }
    
    .pricing-card:hover {
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    }
    
    .pricing-card.popular:hover {
      transform: none;
    }
    
    .popular-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: white;
      font-size: 12px;
      font-weight: 700;
      padding: 6px 16px;
      border-radius: 9999px;
      white-space: nowrap;
    }
    
    .pricing-card.vip {
      background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
      border-color: #333;
    }
    
    .pricing-card.vip:hover {
      border-color: #444;
    }
    
    .pricing-tier {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-secondary);
      margin-bottom: 8px;
    }
    
    .pricing-card.vip .pricing-tier {
      color: #999;
    }
    
    .pricing-name {
      margin: 0;
      color: #000;
      font-size: 18px;
      line-height: 25px;
      font-weight: 600;
    }
    
    .pricing-card.vip .pricing-name {
      color: white;
    }
    
    .pricing-tagline {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    
    .pricing-card.vip .pricing-tagline {
      color: #888;
    }
    
    .pricing-price {
      height: auto;
      margin: 19px 0 0;
    }
    
    .pricing-amount {
      display: inline-flex;
      align-items: baseline;
      flex-wrap: wrap;
      color: #000;
      font-size: 34px;
      line-height: 34px;
      font-weight: 600;
    }
    
    .pricing-card.vip .pricing-amount {
      color: white;
    }
    
    .pricing-amount .currency {
      margin-right: 6px;
      font-size: 16px;
      font-weight: 400;
    }
    
    .pricing-amount .period {
      font-size: 16px;
      font-weight: 500;
      color: var(--text-muted);
    }

    .pricing-original-price {
      margin-left: 10px;
      color: var(--text-muted);
      font-size: 16px;
      font-weight: 400;
    }

    .pricing-original-value {
      text-decoration: line-through;
    }
    
    .pricing-card.vip .pricing-amount .period {
      color: #888;
    }
    
    .pricing-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    .pricing-points {
      display: flex;
      align-items: center;
      gap: 4px;
      color: #000;
      font-size: 14px;
      line-height: 20px;
      font-weight: 500;
    }

    .pricing-points img {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
    }

    .miao-points-value {
      display: inline-block;
      margin: 0 4px;
      font-size: calc(1em + 2px);
    }
    
    .pricing-card.vip .pricing-desc {
      color: #777;
    }
    
    .pricing-divider {
      height: 1px;
      background: var(--border-subtle);
      margin: 24px 0;
    }
    
    .pricing-card.vip .pricing-divider {
      background: #333;
    }
    
    .pricing-features {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    
    .pricing-features li {
      font-size: 14px;
      color: var(--text-secondary);
      padding: 8px 0;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    
    .pricing-card.vip .pricing-features li {
      color: #ccc;
    }
    
    .pricing-features li::before {
      content: '✓';
      color: var(--text-primary);
      font-weight: 700;
      flex-shrink: 0;
    }
    
    .pricing-card.vip .pricing-features li::before {
      color: white;
    }
    
    .pricing-features li.muted {
      color: var(--text-muted);
      text-decoration: line-through;
    }
    
    .pricing-card.vip .pricing-features li.muted {
      color: #555;
    }
    
    .pricing-features li.muted::before {
      content: '−';
      color: var(--text-muted);
    }
    
    .pricing-card.vip .pricing-features li.muted::before {
      color: #555;
    }
    
    .pricing-btn {
      width: 100%;
      height: 40px;
      margin: 26px 0 28px;
      padding: 0 20px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 500;
      text-decoration: none;
      transition: opacity 0.2s;
      cursor: pointer;
      border: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    
    .pricing-btn-primary {
      background: #000;
      color: white;
    }
    
    .pricing-btn-primary:hover {
      opacity: 0.85;
    }

    .pricing-btn.is-loading,
    .token-card-btn.is-loading {
      cursor: wait;
      opacity: .62;
      pointer-events: none;
    }

    .pricing-btn.current-subscription,
    .pricing-btn.current-subscription:hover {
      background: #f4f4f4;
      color: #999;
      cursor: not-allowed;
      pointer-events: none;
      box-shadow: none;
      transform: none;
    }

    .pricing-payment-toast {
      position: fixed;
      top: 28px;
      left: 50%;
      z-index: 3000;
      max-width: calc(100vw - 32px);
      padding: 11px 18px;
      border-radius: 8px;
      background: #fff;
      color: #111;
      box-shadow: 0 8px 30px rgba(0, 0, 0, .18);
      font-size: 14px;
      opacity: 0;
      pointer-events: none;
      transform: translate(-50%, -12px);
      transition: opacity .2s, transform .2s;
    }

    .pricing-payment-toast.active {
      opacity: 1;
      transform: translate(-50%, 0);
    }

    .pricing-payment-toast.tips {
      display: flex;
      align-items: center;
    }

    .pricing-payment-toast.error {
      display: flex;
      align-items: center;
      border: 1px solid rgba(220, 38, 38, .18);
    }

    .pricing-payment-toast.success {
      display: flex;
      align-items: center;
      border: 1px solid rgba(22, 128, 60, .18);
    }

    .pricing-payment-toast.tips::before,
    .pricing-payment-toast.error::before,
    .pricing-payment-toast.success::before {
      content: '!';
      display: grid;
      place-items: center;
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      margin-right: 8px;
      border-radius: 50%;
      background: #ff7d00;
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      line-height: 1;
      box-shadow: 0 2px 6px rgba(255, 125, 0, .28);
    }

    .pricing-payment-toast.error::before {
      background: #dc2626;
      box-shadow: 0 2px 6px rgba(220, 38, 38, .28);
    }

    .pricing-payment-toast.success::before {
      content: '✓';
      background: #16803c;
      box-shadow: 0 2px 6px rgba(22, 128, 60, .28);
    }
    
    .pricing-btn-secondary {
      background: var(--bg-secondary);
      color: var(--text-primary);
    }
    
    .pricing-btn-secondary:hover {
      background: var(--bg-card-hover);
    }
    
    .pricing-btn-warm {
      background: var(--warm);
      color: white;
    }
    
    .pricing-btn-warm:hover {
      filter: brightness(1.1);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(220, 38, 38, 0.3);
    }
    
    .pricing-btn-blue {
      background: #2563eb;
      color: white;
    }
    
    .pricing-btn-blue:hover {
      background: #1d4ed8;
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
    }
    
    .pricing-btn-outline {
      background: transparent;
      color: var(--text-secondary);
      border: 1px solid var(--border-subtle);
    }
    
    .pricing-btn-outline:hover {
      color: var(--text-primary);
      border-color: var(--text-primary);
      background: var(--bg-secondary);
    }
    
    /* Token Packages */
    .token-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
      align-items: start;
    }
    
    @media (min-width: 640px) {
      .token-grid { grid-template-columns: repeat(2, 1fr); }
    }
    
    @media (min-width: 1024px) {
      .token-grid { grid-template-columns: repeat(var(--tier-count, 4), minmax(0, 1fr)); }
    }

    .token-grid.loading {
      min-height: 300px;
    }
    
    .token-card {
      min-width: 0;
      box-sizing: border-box;
      background: #fff;
      border: 1px solid #ebebeb;
      border-radius: 16px;
      padding: 24px;
      text-align: left;
      transition: box-shadow 0.2s ease;
      display: flex;
      flex-direction: column;
    }
    
    .token-card:hover {
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    }
    
    .token-title {
      margin: 0;
      color: #000;
      font-size: 18px;
      line-height: 25px;
      font-weight: 600;
    }

    .token-points {
      display: flex;
      align-items: center;
      gap: 4px;
      color: #000;
      font-size: 14px;
      line-height: 20px;
      font-weight: 500;
    }

    .token-points img {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
    }

    .token-price {
      margin-top: 19px;
      display: flex;
      align-items: baseline;
      color: #000;
    }
    
    .token-price-value {
      font-size: 36px;
      line-height: 36px;
      font-weight: 600;
    }
    
    .token-price-value .currency {
      margin-right: 6px;
      font-size: 16px;
      font-weight: 400;
    }

    .token-price-note {
      margin: 26px 0 0;
      color: #8f8f8f;
      font-size: 15px;
      line-height: 24px;
    }
    
    .token-savings {
      display: inline-block;
      background: var(--warm-light);
      color: var(--warm);
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 9999px;
      margin-bottom: 20px;
    }
    
    .token-card-btn {
      width: 100%;
      height: 40px;
      margin: 26px 0 28px;
      padding: 0 20px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 500;
      transition: opacity 0.2s;
      cursor: pointer;
      border: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #000;
      color: white;
    }
    
    .token-card-btn:hover {
      opacity: 0.85;
    }
    
    /* FAQ */
    .faq-section {
      padding: 60px 0 100px;
    }
    
    .faq-list {
      max-width: 700px;
      margin: 0 auto;
    }
    
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 16px;
      padding: 24px;
      margin-bottom: 16px;
      transition: all 0.2s;
    }
    
    .faq-item:hover {
      border-color: var(--border-active);
      box-shadow: var(--shadow-md);
    }
    
    .faq-question {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 12px;
    }
    
    .faq-answer {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    
    /* Animations */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .pricing-card,
    .token-card,
    .faq-item {
      animation: fadeInUp 0.6s ease forwards;
      opacity: 0;
    }
    
    .pricing-card:nth-child(1) { animation-delay: 0.1s; }
    .pricing-card:nth-child(2) { animation-delay: 0.2s; }
    .pricing-card:nth-child(3) { animation-delay: 0.3s; }
    .pricing-card:nth-child(4) { animation-delay: 0.4s; }
    
    .token-card:nth-child(1) { animation-delay: 0.1s; }
    .token-card:nth-child(2) { animation-delay: 0.2s; }
    .token-card:nth-child(3) { animation-delay: 0.3s; }
    .token-card:nth-child(4) { animation-delay: 0.4s; }
    
    .faq-item:nth-child(1) { animation-delay: 0.1s; }
    .faq-item:nth-child(2) { animation-delay: 0.15s; }
    .faq-item:nth-child(3) { animation-delay: 0.2s; }
    .faq-item:nth-child(4) { animation-delay: 0.25s; }
    .faq-item:nth-child(5) { animation-delay: 0.3s; }