.article-cover {
      max-width: 100%;
      margin: 2rem auto;
      position: relative;
      overflow: hidden;
      box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    }

    /* Заголовок TRAINING DAY */
    .headline {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      background: linear-gradient(to bottom, #fff, #f0f0f0);
      padding: 1.5rem 1rem;
      border-bottom: 3px solid #000;
    }

    .headline h1 {
      font-size: clamp(2.5rem, 10vw, 5rem);
      font-weight: 900;
      letter-spacing: -1px;
      margin: 0;
      text-transform: uppercase;
      color: #d32f2f;
      line-height: 0.9;
    }

    .headline h2 {
      font-size: clamp(2rem, 8vw, 4rem);
      font-weight: 900;
      letter-spacing: -1px;
      margin: 0;
      color: #000;
      line-height: 0.9;
    }

    /* Текстовая колонка слева */
    .text-column {
      background: #fff;
      padding: 1.5rem;
      margin-top: 1rem;
      position: relative;
    }

    .text-column p {
      margin: 1rem 0;
      font-size: 1.05rem;
    }

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

    /* Боковая панель справа */
    .sidebar {
      background: #333;
      color: #fff;
      padding: 1.5rem;
      margin-top: 1rem;
      text-align: center;
    }

    .sidebar h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin: 0 0 0.5rem;
      color: #ffcc00;
    }

    .sidebar p {
      font-size: 0.95rem;
      margin: 0.5rem 0;
      line-height: 1.4;
    }

    .sidebar .author {
      font-size: 0.85rem;
      font-style: italic;
      margin-top: 1rem;
      color: #ccc;
    }

    /* Адаптивность */
    @media (max-width: 768px) {
      .headline h1 {
        font-size: 3rem;
      }
      .headline h2 {
        font-size: 2.5rem;
      }
      .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;
      margin-bottom: 1.5rem;
      text-align: center;
    }

    .article h2 {
      font-size: 1.5rem;
      font-weight: 700;
      margin: 2rem 0 1rem;
      color: #1976d2;
    }

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

    .quote {
      font-style: italic;
      background-color: #f9f9f9;
      border-left: 4px solid #ffcc00;
      padding: 1rem 1.2rem;
      margin: 1.5rem 0;
      color: #333;
      position: relative;
    }

    .quote::before {
      content: "«";
      font-size: 2.5rem;
      color: #ffcc00;
      position: absolute;
      top: -0.5rem;
      left: 0.2rem;
      font-family: Georgia, serif;
    }

    .quote::after {
      content: "»";
      font-size: 2rem;
      color: #ffcc00;
      position: absolute;
      bottom: -0.8rem;
      right: 0.5rem;
    }

    .highlight {
      background-color: #e8f5e9;
      padding: 1rem;
      border-radius: 6px;
      margin: 1.5rem 0;
      font-weight: 600;
    }

    .app-box {
      background: linear-gradient(135deg, #e3f2fd, #bbdefb);
      padding: 1.2rem;
      border-radius: 8px;
      margin: 2rem 0;
      border-left: 3px solid #1976d2;
    }

    @media (max-width: 600px) {
      .article h1 {
        font-size: 1.8rem;
      }
      .article h2 {
        font-size: 1.3rem;
      }
      .quote {
        font-size: 0.95rem;
      }
      .quote::before,
      .quote::after {
        font-size: 2rem;
      }
    }
.exercise {
      margin-bottom: 1.4rem;
      padding-left: 1rem;
      border-left: 3px solid #1976d2;
      padding: 1rem;
      background: #fff;
      border-radius: 4px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }

    .exercise h3 {
      font-size: 1.2rem;
      margin: 0 0 0.5rem;
      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;
    }

    .snapshot {
      background: linear-gradient(135deg, #fff8e1, #ffecb3);
      padding: 1.4rem;
      border-radius: 10px;
      margin: 2.5rem 0;
      text-align: center;
      border: 2px dashed #ffc107;
    }

    .snapshot h3 {
      font-size: 1.5rem;
      margin: 0 0 1rem;
      color: #5d4037;
    }

    .snapshot p {
      margin: 0.4rem 0;
      font-weight: 600;
    }

    @media (max-width: 600px) {
      .article h1 {
        font-size: 1.8rem;
      }
      .article h2 {
        font-size: 1.4rem;
      }
      th, td {
        font-size: 0.9rem;
        padding: 0.6rem 0.4rem;
      }
      .snapshot h3 {
        font-size: 1.3rem;
      }
    }