.article-cover {
      max-width: 100%;
      margin: 2rem auto;
      padding: 0;
      overflow: hidden;
      box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    }

    /* Яркий заголовок */
    .headline {
      background: #ffeb3b;
      padding: 1.5rem 1rem;
      text-align: center;
    }

    .headline h1 {
      font-size: clamp(2rem, 8vw, 3.5rem);
      font-weight: 900;
      letter-spacing: -0.5px;
      margin: 0.5rem 0;
      text-transform: uppercase;
      color: #000;
      text-align: center;
      line-height: 1.1;
    }

    .headline-block {
      background: #222;
      color: #fff;
      padding: 0.8rem 1rem;
      margin: 0.5rem 0;
      text-align: center;
      font-size: clamp(1.5rem, 6vw, 2.5rem);
      font-weight: 900;
      letter-spacing: -0.5px;
    }

    /* Подзаголовок */
    .subhead {
      background: #333;
      padding: 1rem;
      margin: 1rem 0;
      font-size: 1.1rem;
      color: #ffeb3b;
      display: flex;
      align-items: center;
    }

    .subhead::before {
      content: "▶";
      font-weight: bold;
      margin-right: 0.5rem;
      color: #ffeb3b;
    }

    /* Авторы */
    .byline {
      background: #111;
      padding: 0.5rem 1rem;
      text-align: center;
      font-size: 0.9rem;
      color: #ccc;
      font-style: italic;
    }

    /* Основной текст */
    .article-body {
      background: #fff;
      color: #222;
      padding: 1.5rem;
      line-height: 1.7;
      font-size: 1.05rem;
    }

    .article-body p {
      margin: 1rem 0;
      text-align: justify;
    }

    .dropcap {
      float: left;
      font-size: 4rem;
      font-weight: bold;
      line-height: 0.9;
      margin: 0.1rem 0.3rem 0 0;
      color: #000;
    }

    /* Адаптивность */
    @media (max-width: 600px) {
      .headline h1 {
        font-size: 2.2rem;
      }
      .headline-block {
        font-size: 1.8rem;
      }
      .dropcap {
        font-size: 3rem;
      }
    }
 .article {
      max-width: 100%;
      margin: 2rem auto;
      padding: 0 1.5rem;
    }

    .article h1 {
      font-size: 2.2rem;
      font-weight: 800;
      color: #d32f2f;
      text-align: center;
      margin-bottom: 1.5rem;
    }

    .article h2 {
      font-size: 1.6rem;
      font-weight: 700;
      margin: 2rem 0 1rem;
      color: #1565c0;
      border-bottom: 2px solid #e0e0e0;
      padding-bottom: 0.4rem;
    }

    .article p {
      margin: 0 0 1.2rem;
      font-size: 1.05rem;
      text-align: justify;
    }

    .highlight {
      background-color: #fff8e1;
      border-left: 4px solid #ffc107;
      padding: 1rem;
      margin: 1.5rem 0;
      font-style: italic;
      color: #5d4037;
    }

    .exercise {
      margin-bottom: 1.4rem;
      padding: 1rem;
      background: #fff;
      border-radius: 6px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }

    .exercise h3 {
      font-size: 1.2rem;
      margin: 0 0 0.6rem;
      color: #000;
    }

    .exercise p {
      margin: 0.3rem 0;
      font-size: 1rem;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.5rem 0;
      background: white;
      box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    }

    th, td {
      padding: 0.9rem 0.7rem;
      text-align: left;
      border-bottom: 1px solid #eee;
    }

    th {
      background-color: #e3f2fd;
      font-weight: 700;
      color: #0d47a1;
    }

    tr:last-child td {
      border-bottom: none;
    }

    .note {
      background: #e8f5e8;
      padding: 1rem;
      border-radius: 6px;
      margin: 1.5rem 0;
      font-size: 0.95rem;
    }

    @media (max-width: 600px) {
      .article h1 {
        font-size: 1.8rem;
      }
      .article h2 {
        font-size: 1.4rem;
      }
      th, td {
        font-size: 0.85rem;
        padding: 0.6rem 0.4rem;
      }
      table {
        font-size: 0.85rem;
      }
    }
 .phase-box {
      background: #fff;
      border: 1px solid #ddd;
      border-radius: 6px;
      margin: 1.5rem 0;
      overflow: hidden;
      box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    }

    .phase-header {
      background: #d32f2f;
      color: white;
      padding: 0.7rem 1rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .body-part {
      background: #222;
      color: white;
      padding: 0.6rem 1rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
.main-title {
      font-size: 2.4rem;
      font-weight: 900;
      text-transform: uppercase;
      margin: 0;
      color: #000;
    }

    .sub-title {
      font-size: 1.3rem;
      font-weight: 700;
      color: #009688;
      margin: 0 0 1rem;
      text-transform: uppercase;
    }

    .section-header {
      background: #d32f2f;
      color: white;
      padding: 0.7rem 1rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin: 1.5rem 0 0;
    }

    .plan-header {
      background: #222;
      color: white;
      padding: 0.7rem 1rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }