h1 {
      font-size: 2.8rem;
      margin: 0 0 10px;
      color: #000;
      line-height: 1.2;
    }

    h2 {
      font-size: 1.8rem;
      margin: 25px 0 15px;
      color: #000;
      border-bottom: 2px solid #eaeaea;
      padding-bottom: 8px;
    }

    .author {
      font-style: italic;
      color: #666;
      margin-bottom: 20px;
      display: block;
    }

    p {
      margin-bottom: 18px;
      font-size: 1.1rem;
    }

    .sidebar {
      background: #f0f7ff;
      padding: 20px;
      border-left: 4px solid #0066cc;
      border-radius: 0 8px 8px 0;
    }

    .sidebar h3 {
      margin-top: 0;
      color: #0066cc;
      font-size: 1.4rem;
    }
 ul {
      padding-left: 25px;
    }

    li {
      margin-bottom: 10px;
     
    }
 .core-muscles {
      background: white;
      padding: 35px;
      border-radius: 0px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.08);
      max-width: 800px;
      margin: 40px auto;
      border-left: 6px solid #0066cc;
    }

    .core-muscles h1 {
      font-size: 2.4rem;
      margin: 0 0 15px;
      color: #003366;
      text-align: center;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .core-muscles h2 {
      font-size: 1.6rem;
      margin: 30px 0 20px;
      color: #0055a4;
      border-bottom: 2px solid #e0e9ff;
      padding-bottom: 8px;
    }

    .muscle-list {
      list-style: none;
      padding: 0;
    }

    .muscle-list li {
      padding: 18px 0 18px 25px;
      border-bottom: 1px dashed #eaeaea;
      position: relative;
      margin-left: 15px;
    }

    .muscle-list li:last-child {
      border-bottom: none;
    }

    .muscle-list li:before {
      content: "•";
      position: absolute;
      left: -25px;
      color: #0066cc;
      font-size: 1.8rem;
      line-height: 1;
    }

    .muscle-name {
      font-weight: 700;
      color: #004799;
      font-size: 1.15rem;
      margin-bottom: 4px;
      display: block;
    }

    .muscle-description {
      color: #555;
      margin-left: 5px;
      font-size: 1.05rem;
    }

    .note {
      background-color: #eef7ff;
      padding: 15px 20px;
      border-radius: 0px;
      margin-top: 25px;
      font-style: italic;
      color: #0055a4;
      border-left: 4px solid #4da6ff;
    }

    /* Адаптивность */
    @media (max-width: 768px) {
      .core-muscles {
        padding: 25px;
      }
      
      .core-muscles h1 {
        font-size: 2.0rem;
      }
      
      .core-muscles h2 {
        font-size: 1.4rem;
      }
      
      .muscle-name {
        font-size: 1.05rem;
      }
      
      .muscle-description {
        font-size: 1rem;
      }
    }
 .highlight {
      background-color: #eef7ff;
      border-left: 4px solid #0066cc;
      padding: 15px 20px;
      margin: 20px 0;
      border-radius: 0 6px 6px 0;
      font-style: italic;
    }

    .training-split {
      margin-top: 30px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      margin: 25px 0;
      border-radius: 8px;
      box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    }

    table {
      width: 100%;
      border-collapse: collapse;
      min-width: 500px;
      background: white;
    }

    th {
      background-color: #0066cc;
      color: white;
      padding: 12px 15px;
      text-align: left;
      font-weight: 600;
    }

    td {
      padding: 12px 15px;
      border-bottom: 1px solid #eee;
    }

    tr:nth-child(even) {
      background-color: #f8f9fc;
    }

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

    .workout-title {
      background-color: #ff6b00;
      color: white;
      padding: 8px 15px;
      font-weight: bold;
      text-transform: uppercase;
      font-size: 1.1rem;
    }

    .rest-row {
      background-color: #e9f7fe;
      font-weight: 500;
      color: #0055a4;
    }

    .section-title2 {
      color: #0066cc;
      font-size: 1.4rem;
      margin: 25px 0 15px;
      padding-bottom: 8px;
      border-bottom: 2px solid #e0e9ff;
    }

    .footer {
      text-align: center;
      color: #777;
      font-size: 0.9rem;
      margin-top: 30px;
      padding-top: 20px;
      border-top: 1px solid #eee;
    }

    /* Адаптивность */
    @media (max-width: 768px) {
      .article-container {
        grid-template-columns: 1fr;
      }
      
      h1 {
        font-size: 2.2rem;
      }
      
      h2 {
        font-size: 1.5rem;
      }
      
      .table-container {
        border-radius: 6px;
      }
      
      table {
        min-width: 400px;
      }
    }