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

        body2 {
            font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
            background-color: #e9e9e9; /* светлый фон вокруг карточки */
            display: flex;
            justify-content: center;
            padding: 2rem 1rem;
            line-height: 1.5;
            color: #222;
        }

        .article-card {
            max-width: 100%;
            width: 100%;
            background-color: #fafafa; /* основной фон статьи */
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
            padding: 1.5rem 1.8rem;
            border-radius: 4px;
            border-top: 8px solid #c4282b; /* красная полоса — фирменный цвет Ironman */
        }

        /* Типографика */
        h4 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin: 0 0 0.5rem 0;
            color: #1a1a1a;
            text-transform: uppercase;
            border-left: 6px solid #c4282b;
            padding-left: 1.5rem;
        }

        .subhead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #5a5a5a;
            margin-bottom: 2.5rem;
            border-bottom: 2px solid #d0d0d0;
            padding-bottom: 1rem;
        }

        h22 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 2.5rem 0 1rem 0;
            color: #1e1e1e;
            border-bottom: 1px solid #b3b3b3;
            padding-bottom: 0.25rem;
        }

        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 2rem 0 0.8rem 0;
            color: #2d2d2d;
            position: relative;
        }

       

        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #2b2b2b;
        }

        /* Цитата / врезка */
        .pull-quote {
            background-color: #ececec;
            border-left: 6px solid #c4282b;
            padding: 1.6rem 2rem;
            margin: 2rem 0;
            font-style: italic;
            font-size: 1.2rem;
            color: #1f1f1f;
            box-shadow: inset 0 0 0 1px #dbdbdb;
        }

        .pull-quote strong {
            color: #a02124;
            font-weight: 700;
        }

       

        /* Акцент на технике */
        .tip-box {
            background-color: #f1f1f1;
            padding: 1.5rem 2rem;
            border-radius: 0 20px 20px 0;
            border-left: 10px solid #c4282b;
            margin: 2rem 0;
            font-weight: 500;
        }

        .tip-box strong {
            color: #b11c1f;
        }

        /* Адаптивность */
        @media (max-width: 750px) {
            .article-card {
                padding: 1.5rem 1.2rem;
            }

            h1 {
                font-size: 2.2rem;
                padding-left: 1rem;
            }

            h2 {
                font-size: 1.6rem;
            }

            h3 {
                font-size: 1.3rem;
            }

            .pull-quote {
                padding: 1rem 1.2rem;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.9rem;
            }

            li {
                padding-left: 1.6rem;
            }
        }

        /* сноска / источник */
        .footer-note {
            margin-top: 3rem;
            padding-top: 1.2rem;
            border-top: 2px dashed #aaa;
            font-size: 0.95rem;
            color: #777;
            text-align: right;
            font-style: italic;
        }

 .fact-highlight {
            background-color: #f0f0f0;
            border-left: 10px solid #b81b1f;
            padding: 1.8rem 2.2rem;
            margin: 2rem 0;
            font-size: 1.1rem;
            box-shadow: inset 0 0 0 1px #dadada;
        }

        .fact-highlight strong {
            color: #a12326;
        }

        /* маленькие плашки для ключевых тезисов */
        .key-takeaway {
            display: inline-block;
            background-color: #2c2c2c;
            color: #f0f0f0;
            font-weight: 600;
            padding: 0.3rem 1.2rem;
            letter-spacing: 1px;
            margin: 1rem 0 0.5rem 0;
            border-radius: 30px;
            font-size: 0.9rem;
            text-transform: uppercase;
        }

        /* список исследований / референсов */
        .ref-list {
            background-color: #eef1f5;
            padding: 1.8rem 2.2rem;
            border-radius: 12px;
            margin: 2.5rem 0 1rem 0;
            font-size: 0.95rem;
            border-left: 6px solid #404040;
        }

        .ref-list p {
            margin-bottom: 0.5rem;
            font-size: 0.98rem;
        }

        .ref-list a {
            color: #a12326;
            text-decoration: none;
            border-bottom: 1px dotted #a12326;
        }

        hr {
            border: none;
            border-top: 2px dashed #aaa;
            margin: 2rem 0;
        }
.qa-block {
            margin: 3rem 0 3rem 0;
        }

        .question {
            font-size: 1.4rem;
            font-weight: 700;
            color: #1f1f1f;
            background-color: #e9e9e9;
            padding: 1rem 1rem;
            border-radius: 40px 40px 40px 8px;
            display: inline-block;
            margin-bottom: 1rem;
            border-left: 8px solid #b81b1f;
            max-width: 90%;
        }

        .answer {
            font-size: 1.08rem;
            color: #2c2c2c;
            padding-left: 1rem;
            border-left: 4px solid #888;
            margin-left: 1rem;
            margin-top: 0.8rem;
            margin-bottom: 2.5rem;
        }

        .answer p {
            margin-bottom: 1rem;
        }

  .quote-block {
            background-color: #1f1f1f;
            color: #f0f0f0;
            padding: 1rem 1.5rem;
            border-radius: 30px 8px 30px 8px;
            margin: 2.5rem 0 2rem 0;
            font-size: 1.15rem;
            border-left: 12px solid #b81b1f;
            box-shadow: 0 8px 0 #5a5a5a;
        }

        .quote-block p {
            font-style: italic;
            margin-bottom: 0.5rem;
            color: #f0f0f0;
        }

        .quote-author {
            font-weight: 700;
            text-align: right;
            color: #b81b1f;
            font-size: 1.2rem;
            margin-top: 0.8rem;
            border-top: 1px solid #5a5a5a;
            padding-top: 0.8rem;
        }


.spisok ul {
            list-style: none;
            margin: 1.2rem 0 1.8rem 0;
        }

       .spisok li {
            margin-bottom: 0.85rem;
            padding-left: 2rem;
            position: relative;
            font-size: 1.05rem;
        }


 h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 2rem 0 0.8rem 0;
            color: #2d2d2d;
            position: relative;
        }

        h3::before {
            content: "●";
            color: #c4282b;
            font-weight: 400;
            margin-right: 10px;
            font-size: 1.2rem;
        }