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

    .body-a {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #ffffff;
      color: #000; /* Чёрный текст */
      line-height: 1.6;
      padding: 20px;
    }

    .container {
      max-width: 1000px;
      margin: 0 auto;
    }

    /* Заголовки — красные */
    .header-main {
      font-size: 26px;
      color: #d32f2f;
      text-align: center;
      text-transform: uppercase;
      font-weight: 800;
      margin: 20px 0 15px;
      line-height: 1.2;
    }

    .header-section {
      font-size: 20px;
      color: #d32f2f;
      margin: 25px 0 15px;
      text-transform: uppercase;
      font-weight: 700;
    }

    p {
      margin-bottom: 16px;
      font-size: 16px;
    }

    .byline {
      font-style: italic;
      color: #555;
      text-align: center;
      margin-bottom: 20px;
      font-size: 14px;
    }

    /* Вставка с фоном — светло-жёлтый */
    .highlight-box {
      background-color: #fff9e6; /* Светло-жёлтый */
      padding: 18px;
      margin: 20px 0;
      border-radius: 8px;
      border-left: 3px solid #ffb300;
    }
.highlight-box p {
      margin-bottom: 10px;
    }

    .highlight-box strong {
      color: #d32f2f;
    }
    /* Таблицы */
    .workout-table {
      width: 100%;
      border-collapse: collapse;
      margin: 20px 0;
      font-size: 15px;
    }

    .workout-table th {
      background-color: #f0f0f0;
      color: #333;
      font-weight: 600;
      padding: 12px;
      text-align: left;
    }

    .workout-table td {
      padding: 12px;
      border-bottom: 1px solid #eee;
    }

    /* Чередование строк */
    .workout-table tr:nth-child(even) {
      background-color: #fff9e6; /* Светло-жёлтый */
    }

    .workout-table tr:nth-child(odd) {
      background-color: #f5f5f5; /* Светло-серый */
    }

    /* Адаптивность */
    @media (max-width: 600px) {
      body {
        padding: 12px;
      }

      .header-main {
        font-size: 22px;
      }

      .header-section {
        font-size: 18px;
      }

      .workout-table {
        font-size: 14px;
      }

      .workout-table th,
      .workout-table td {
        padding: 10px 8px;
      }
    }
.highlight-box2 {
      background-color: #cbf0f7;
      padding: 18px;
      margin: 20px 0;
      border-radius: 8px;
      border-left: 3px solid #1912e6;
    }
.highlight-box3 {
      background-color: #cbf0f7;
      padding: 18px;
      margin: 20px 0;
      border-radius: 8px;
      border-left: 3px solid #1912e6;
    }

.error-item {
      margin-bottom: 18px;
    }

    .error-title {
      font-weight: bold;
      color: #d32f2f;
      margin-bottom: 6px;
    }
.error-item p {
      text-align: justify;
    }

.warning-item {
      margin-bottom: 20px;
    }
.warning-item p {
     text-align: justify;

    }


    .warning-title {
      font-weight: bold;
      color: #d32f2f;
      margin-bottom: 6px;
    }
.highlight-box2 li {
    background: white;
    padding: 20px;
    margin: 15px 0;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border: 1px solid #e2e8f0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    list-style: none;
    position: relative;
    overflow: hidden;
}

.highlight-box2 li::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
}

.highlight-box2 li:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}
.highlight-box3 li {
    padding: 16px 20px;
    margin: 10px 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    list-style: none;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.highlight-box3 li::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.highlight-box3 li:hover::after {
    left: 100%;
}

.highlight-box3 li:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    transform: scale(1.02);
}
.steps {
      counter-reset: step-counter;
      margin: 20px 0;
    }

    .step {
      counter-increment: step-counter;
      margin-bottom: 14px;
      padding-left: 30px;
      position: relative;
    }

    .step::before {
      content: counter(step-counter);
      position: absolute;
      left: 0;
      top: 0;
      background: #d32f2f;
      color: white;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 14px;
    }

    .footer-note {
      font-style: italic;
      color: #555;
      text-align: center;
      margin-top: 30px;
      font-size: 14px;
    }
 .workout-table {
      width: 100%;
      border-collapse: collapse;
      margin: 20px 0;
      font-size: 15px;
    }

    .workout-table th,
    .workout-table td {
      padding: 12px 10px;
      text-align: center;
      border: 1px solid #ddd;
    }

    .workout-table th {
      background-color: #f5f5f5;
      color: #333;
      font-weight: 600;
    }

    .note {
      font-style: italic;
      color: #555;
      margin-top: 10px;
      font-size: 14px;
    }