*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: 'Segoe UI', Arial, sans-serif; font-size: 1rem; line-height: 1.75; color: #2c2c2c; background: #ffffff; padding: 0 1rem; }
    article { max-width: 780px; margin: 200px auto 5rem; }
    header { border-bottom: 3px solid #1f487d; padding-bottom: 1.25rem; margin-bottom: 2rem; }
    h1 { font-size: 2rem; font-weight: 700; color: #1f487d; line-height: 1.25; margin-bottom: 0.6rem; }
    header p { font-size: 0.9rem; color: #5a5a5a; font-style: italic; }
    h2 { font-size: 1.35rem; font-weight: 700; color: #1f487d; margin-top: 2.25rem; margin-bottom: 0.75rem; padding-bottom: 0.35rem; border-bottom: 1px solid #dde8f3; }
    h3 { font-size: 1.05rem; font-weight: 700; color: #163560; margin-top: 1.5rem; margin-bottom: 0.5rem; }
    p { margin-bottom: 1rem; color: #2c2c2c; }
    ul, ol { margin: 0.75rem 0 1rem 1.5rem; }
    li { margin-bottom: 0.4rem; }
    blockquote { border-left: 4px solid #1f487d; background: #e8f2fb; margin: 1.5rem 0; padding: 0.9rem 1.25rem; font-style: italic; font-size: 1rem; color: #163560; border-radius: 0 6px 6px 0; }
    section { margin-bottom: 1.5rem; }
    .key-takeaways { background: #e8f2fb; border-left: 5px solid #1f487d; border-radius: 0 8px 8px 0; padding: 1.1rem 1.4rem; margin-bottom: 2rem; }
    .key-takeaways h2 { border-bottom: none; margin-top: 0; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: #2e6db4; margin-bottom: 0.5rem; }
    .key-takeaways p { margin-bottom: 0; font-size: 0.97rem; }
    .signature-quotes { margin-bottom: 2rem; }
    .signature-quotes h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: #2e6db4; border-bottom: none; margin-bottom: 0.75rem; }
    .signature-quotes blockquote { background: #f4f8fd; border-left: 4px solid #2e6db4; font-size: 1.05rem; font-weight: 600; color: #1f487d; }
    .faq h3 { font-style: italic; color: #163560; }
    .in-short { background: #f4f8fd; border: 1px solid #dde8f3; border-radius: 8px; padding: 1.25rem 1.5rem; }
    .in-short h2 { border-bottom: none; margin-top: 0; }
    .in-short ul { margin-top: 0.5rem; }
    .ai-citable { background: #fff; border: 1px solid #dde8f3; border-radius: 8px; padding: 1.25rem 1.5rem; }
    .ai-citable h2 { border-bottom: none; margin-top: 0; }
    .ai-citable ol { margin-top: 0.5rem; }
    .ai-citable li { font-style: italic; margin-bottom: 0.6rem; }
    .sources { border-top: 1px solid #dde8f3; padding-top: 1rem; }
    .sources h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; border-bottom: none; margin-top: 0; margin-bottom: 0.4rem; color: #5a5a5a; }
    .sources p { font-size: 0.82rem; color: #5a5a5a; font-style: italic; }
    @media (max-width: 600px) { h1 { font-size: 1.5rem; } h2 { font-size: 1.15rem; } article { margin: 1.5rem auto 3rem; } }