/* ChatGPT Podcast Edition Pro — v2 现代化版本 */
  .gpt-article {
    --color-text: #2b2b2b;
    --color-heading: #111111;
    --color-muted: #6b6b6b;
    --color-faint: #8a8a8a;
    --color-border: #e6e6e6;
    --color-surface: #f7f7f8;
    --color-surface-strong: #efeff1;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --radius-lg: 14px;
    --radius-md: 10px;
    --radius-sm: 6px;

    max-width: 900px;
    margin: auto;
    padding: 32px 20px;
    box-sizing: border-box;
    font-family:
      ui-sans-serif,
      -apple-system,
      "Segoe UI",
      Roboto,
      Ubuntu,
      Cantarell,
      "Noto Sans",
      "PingFang SC",
      "Microsoft YaHei",
      sans-serif,
      "Helvetica Neue",
      Arial;
    font-size: 16px;
    line-height: 1.72;
    color: var(--color-text);
  }

  .gpt-article *,
  .gpt-article *::before,
  .gpt-article *::after {
    box-sizing: border-box;
  }

  .gpt-article ::selection {
    background: color-mix(in srgb, var(--color-accent) 20%, transparent);
  }

  .gpt-article h1 {
    font-size: 26px;
    font-weight: 650;
    line-height: 1.35;
    color: var(--color-heading);
    margin: 0 0 22px;
  }
  .gpt-article h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 32px 0 14px;
    color: var(--color-heading);
  }
  .gpt-article h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 24px 0 10px;
    color: var(--color-heading);
  }

  .gpt-article p {
    margin: 1.25em 0;
    text-wrap: pretty;
    overflow-wrap: break-word;
  }

  .gpt-article strong {
    font-weight: 650;
    color: var(--color-heading);
  }

  .gpt-article a {
    color: var(--color-accent);
    text-decoration: none;
    text-underline-offset: 2px;
    transition:
      color 0.15s ease,
      text-decoration-color 0.15s ease;
  }
  .gpt-article a:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
  }

  .gpt-article ul {
    margin: 0 0 16px;
    padding-left: 1.4em;
  }
  .gpt-article li {
    margin-bottom: 6px;
  }
  .gpt-article li::marker {
    color: var(--color-muted);
  }

  .gpt-article blockquote {
    margin: 20px 0;
    padding: 4px 0 4px 16px;
    border-left: 3px solid var(--color-border);
    color: var(--color-muted);
    font-size: 16px;
  }

  .payment-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .payment-list li {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    min-width: 260px;
    flex: 1 1 260px;
    transition: transform 0.2s ease;
  }

  .payment-list li:hover {
    transform: translateY(-2px);
  }

  .payment-list img {
    height: 28px;
    width: auto;
    margin-right: 12px;
    object-fit: contain;
  }

  @media (max-width: 768px) {
    .gpt-article {
      padding: 22px 16px;
      font-size: 15px;
    }
    .gpt-article h2 {
      font-size: 18px;
      margin: 26px 0 12px;
    }
    .gpt-article h3 {
      font-size: 15px;
      margin: 20px 0 8px;
    }
    .payment-list li {
      min-width: 100%;
      padding: 8px 12px;
    }
    .payment-list img {
      height: 22px;
      margin-right: 10px;
    }
  }

  @media (prefers-color-scheme: dark) {
    .gpt-article {
      --color-text: #d8d8d8;
      --color-heading: #f2f2f2;
      --color-muted: #a0a0a0;
      --color-faint: #8a8a8a;
      --color-border: #333333;
      --color-surface: #1f1f1f;
      --color-surface-strong: #262626;
      --color-accent: #6ea8fe;
      --color-accent-hover: #8fb9ff;
    }
  }