body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
      background: #f5f5f5;
    }

    .promo-bar {
      background: #111;
      color: #fff;
      padding: 12px 20px;
      text-align: center;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
      line-height: 1.6;
    }

    .promo-bar-inner {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    .promo-countdown {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
    }

    .promo-countdown-item {
      text-align: center;
    }

    .promo-countdown-number {
      background: #e81919;
      color: #fff;
      min-width: 58px;
      padding: 4px 8px;
      border-radius: 6px;
      font-size: 24px;
      font-weight: 800;
      line-height: 1.2;
    }

    .promo-countdown-label {
      margin-top: 3px;
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.8px;
    }

    .promo-countdown-colon {
      color: #aaa;
      font-size: 24px;
      font-weight: 800;
      line-height: 1;
      padding-bottom: 17px;
    }

    .promo-divider {
      opacity: 0.6;
    }

    .preview-note {
      max-width: 760px;
      margin: 34px auto;
      padding: 0 20px;
      color: #444;
      font-size: 14px;
      line-height: 1.7;
    }

    @media (max-width: 640px) {
      .promo-bar {
        padding: 8px 10px;
        font-size: 11px;
        line-height: 1.4;
        letter-spacing: 0.2px;
      }

      .promo-bar-inner {
        gap: 7px;
      }

      .promo-countdown {
        order: 2;
        width: 100%;
        gap: 5px;
        margin-top: 2px;
      }

      .promo-countdown-number {
        min-width: 38px;
        padding: 2px 5px;
        border-radius: 5px;
        font-size: 17px;
        line-height: 1.15;
      }

      .promo-countdown-label {
        margin-top: 1px;
        font-size: 7px;
        letter-spacing: 0.4px;
      }

      .promo-countdown-colon {
        font-size: 16px;
        padding-bottom: 12px;
      }

      .promo-divider {
        display: none;
      }
    }

    @media (max-width: 380px) {
      .promo-bar {
        font-size: 10px;
        padding: 7px 8px;
      }

      .promo-bar-inner {
        gap: 5px;
      }

      .promo-countdown-number {
        min-width: 34px;
        font-size: 15px;
        padding: 2px 4px;
      }

      .promo-countdown-label {
        font-size: 6px;
      }
    }