.container-card {
    max-width: 1000px;
    margin: 2rem auto;
    /* border: 1px solid #0a1f33; */
    border-radius: 20px;
    box-sizing: border-box;
    overflow: hidden;
    background: #ffffff;
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(10, 31, 51, 0.1);
  }

  .header {
    background: linear-gradient(to right, #19b5fe, #61768a);
    padding: 1.5rem;
    color: #ffffff;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    display: flex ;
    flex-direction: column;
    gap: 10px;
  }

  .header h1 {
     
    font-size: 2rem;
    font-weight: bold;
    margin: 0;
    line-height: 1;
  }

  .header h3 {
     
    font-size: 1.25rem;
    font-weight: normal;
    margin: 0;
    /* font-weight: normal; */
  }

  .promo {
    padding: 2rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .promo h2 {
     
    font-weight: normal;
    font-size: 1.75rem;
  }

  .promo p {
    
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .promo-card {
    background:
      linear-gradient(white, white) padding-box,
      linear-gradient(to right, #6d00cc, #f405fc) border-box;
    border-radius: 25px;
    border: 2px solid transparent;
    /* padding: 2rem 1rem; */
    margin: 0 auto 2rem auto;
    max-width: 600px;
    box-shadow: 0 4px 12px rgba(25, 181, 254, 0.1);
    padding: 0;
  }

  .promo-card h1 {
     
    color: #ffffff;
    margin: 0;
    margin-bottom: 0.5rem;
  }

  .promo-card h2 {
     
    color: #0a1f33;
    margin-bottom: 0.5rem;
  }

  .promo-card p {
    
    color: #ffffff;
    margin-bottom: 0.5rem;
  }

  .tab {
    background: linear-gradient(
      110deg,
      rgba(109, 0, 204, 1) 0%,
      rgba(176, 2, 228, 1) 60%,
      rgba(244, 5, 252, 1) 100%
    );
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    padding: 10px 20px;
    display: flex;
    flex-direction: row;
  }

  .tab p {
    
    margin: 0;
  }

  .icon-tab {
    width: 80px;
    height: 80px;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  
  .name-tag {
  	text-align: right;
  	display: flex;
  	flex-direction: column;
  	gap: 5px;
  }

  .name-course {
    color: #ffffff;
    font-size: 1.5rem;
    line-height: 1.15;
    font-weight: bold; 
  }

  .date-class {
     
    display: inline-block; /* ✅ ให้กล่องพอดีกับข้อความ */
    background: #ffffff; /* สีพื้น */
    padding: 0.25rem 1rem; /* ช่องว่างรอบข้อความ */
    border-radius: 20px; /* มุมโค้ง */
    color: #d32f2f; /* สีตัวอักษร */
    font-size: 1.05rem;
     font-weight: bold; 
    /* margin-top: 1rem; */
  }

  .price-box {
    margin-top: 1rem;
    margin-bottom: 1rem;
  }

  .price-box .price-before {
    
    color: #888;
    text-decoration: line-through;
    font-size: 1.15rem;
  }

  .price-box .price-now {
     
    color: #ff5a5f;
    font-size: 2rem;
    /* font-weight: bold; */
    font-weight: normal;
    margin: 0;
    line-height: 1.25;
  }

  .price-box .price-now span {
     
    font-weight: normal;
    font-size: 2rem;
  }

  .price-box .vat-note {
     
    font-weight: normal;
    font-size: 1rem;
    margin: 0;
    color: #ff5a5f;
  }

  .detail {
    text-align: center;
    margin-top: 1rem;
    margin-bottom: 1rem;
  }

  .detail h2 {
     
    font-size: 1.75rem;
    margin-bottom: 40px;
  }

  .why-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }
  .why-card {
    position: relative;
    background: #ffffff;
    border-radius: 12px;
    border: 2px solid #d0f2ff;
    padding: 3rem 1rem 1.5rem 1rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    margin-bottom: 1rem;
  }

  .why-card p {
    
    font-size: 1.25rem;
    margin: 0;
  }

  .cta {
    text-align: center;
    margin: 1rem 0;
  }

  .line-button {
     
    font-weight: normal;
    display: inline-block;
    /* margin: 0.5rem; */
    padding: 0.6rem 1.2rem;
    background-color: #00b900;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
  }

.btn-register {
    font-weight: normal;
    display: inline-block;
    /* margin: 0.5rem; */
    padding: 0.6rem 1.2rem;
    background-color: #0288d1;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
  }

  .btn-test {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem; /* ระยะห่างระหว่างปุ่ม */

    margin-top: 1.5rem;
  }

  .btn-test .btn-regis {
     
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background-color: #19b5fe;
    color: white;
    border-radius: 10px;
    text-decoration: none;
    font-size: 1.25rem;
    line-height: 1;
    font-weight: normal;
    text-align: center;
    min-width: 180px;
    
    width: auto;
    margin: 0 auto;
  }

  .btn-test .btn-regis:hover {
    background-color: #0284c7;
  }

  .btn-test .btn-more {
    
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #ffffff;
    color: #19b5fe;
    border: 1px solid #19b5fe;
    border-radius: 10px;
    text-decoration: none;
    font-size: 1rem;
    line-height: 1;
    font-weight: bold;
    text-align: center;
    min-width: 120px;
    
    width: auto;
    margin: 0 auto;
  }

  .btn-test .btn-more:hover {
    background-color: #19b5fe;
    color: #ffffff;
  }

  .benefits {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .benefits h3 {
     
    font-size: 1.25rem;
    font-weight: normal;
    color: #1976d2;
  }

  .benefits .detail-cards {
    background-color: #ffffff;
    /* border: 1px solid #117e43; */
    border-radius: 20px;
    /* padding: 2rem 1rem; */
    margin: 0 auto 2rem auto;
    /* max-width: 600px; */
    box-shadow: 0 4px 12px rgba(25, 181, 254, 0.1);
    padding: 0;
    display: flex;
    flex-direction: row;
    justify-content: space-between; /* หรือ space-evenly */
    gap: 1rem;
  }

  .card-detail {
    
    font-size: 1rem;
    /* margin: auto; */
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .icon-detail {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
  }

  .benefits ul,
  .why-section ul,
  .conditions ul {
    
    /* list-style: none; */
    padding-left: 20px;
    text-align: left;
    font-size: 1rem;
  }
  .conditions {
    background: #fff3e0;
    padding: 1.5rem;
    border-radius: 12px;
    margin: 1.5rem auto;
    max-width: 800px;
  }

  .conditions h4 {
     
    font-size: 1.25rem;
    font-weight: normal;
    color: #e65100;
    margin-bottom: 1rem;
  }

  .promo-terms {
    margin: 2rem 1rem;
    padding: 1rem;
    border-top: 2px solid #19b5fe;
    border-bottom: 2px solid #19b5fe;
    text-align: left;
  }

  .promo-terms h4 {
    
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #19b5fe;
  }

  .promo-terms ul {
    list-style: disc inside;
  }

  .promo-terms ul li {
    margin-bottom: 0.5rem;
    
    font-size: 1rem;
    line-height: 1.2;
  }

  .icon-why-card {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    border-radius: 50%;
    /* border: 2px solid #65d2fc; */
    width: 60px;
    height: 60px;
    display: flex; /* NEW: เพื่อจัดกลางเนื้อหาในกล่อง */
    align-items: center; /* จัดกลางแนวตั้ง */
    justify-content: center; /* จัดกลางแนวนอน */
    color: #0288d1;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }

  .icon-why-card img {
    width: 70%;
    height: 70%;
    object-fit: contain;
  }

  .contact {
    text-align: left;
    
    font-size: 1rem;
    line-height: 1;
    padding-left: 3rem;
  }

  @media (max-width: 600px) {
    .promo-card {
      padding: 1.5rem 1rem;
    }

    .promo-card h1 {
      font-size: 1.5rem;
    }

    .price-now {
      font-size: 2rem;
    }
  }

  @media (max-width: 900px) {
    .why-cards {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 600px) {
    .why-cards {
      grid-template-columns: 1fr;
    }
    .promo-card {
      padding: 0;
    }

    .benefits .detail-cards {
      flex-direction: column;
    }

    .contact {
    padding-left: 0;
  }

  .text-sub{
    color: white;
  }
  }