/* BEM Naming: .page-585vip__element-name */
    :root {
      --primary-color: #e44d26; /* Màu chủ đạo nổi bật */
      --secondary-color: #333; /* Màu nền phụ */
      --accent-color: #ffcc00; /* Màu vàng/kim loại cho điểm nhấn */
      --background-dark: #1a1a1a; /* Nền tối */
      --text-light: #f5f5f5; /* Chữ sáng */
      --text-dark: #333; /* Chữ tối */
      --border-radius: 8px; /* Bo góc */
      --spacing-unit: 16px; /* Đơn vị khoảng cách */
    }

    .page-585vip {
      font-family: 'Arial', sans-serif;
      color: var(--text-light);
      background-color: var(--background-dark);
      line-height: 1.6;
      padding-top: var(--header-offset, 122px); /* Đảm bảo không bị che bởi header cố định */
    }

    .page-585vip__section {
      padding: var(--spacing-unit) 0;
      margin-bottom: var(--spacing-unit);
      text-align: center;
    }

    .page-585vip__section--dark {
      background-color: #2a2a2a;
    }

    .page-585vip__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-unit);
      box-sizing: border-box;
    }

    .page-585vip__title {
      font-size: 2.5em;
      color: var(--accent-color);
      margin-bottom: var(--spacing-unit);
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-585vip__subtitle {
      font-size: 1.8em;
      color: var(--text-light);
      margin-bottom: var(--spacing-unit) * 1.5;
    }

    .page-585vip__text {
      font-size: 1.1em;
      margin-bottom: var(--spacing-unit);
      color: #ccc;
    }

    /* Hero Section */
    .page-585vip__hero-section {
      position: relative;
      padding-top: 10px; /* 8-16px top padding as per requirement */
      padding-bottom: 80px;
      background-size: cover;
      background-position: center;
      color: var(--text-light);
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 500px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-585vip__hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.6);
    }

    .page-585vip__hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      text-align: center;
    }

    .page-585vip__hero-title {
      font-size: 3.5em;
      margin-bottom: var(--spacing-unit) / 2;
      color: var(--accent-color);
      text-transform: uppercase;
    }

    .page-585vip__hero-description {
      font-size: 1.4em;
      margin-bottom: var(--spacing-unit) * 2;
      color: #eee;
    }

    .page-585vip__cta-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 15px 30px;
      border-radius: var(--border-radius);
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-585vip__cta-button:hover {
      background-color: #d44220;
      transform: translateY(-2px);
    }

    /* Floating Buttons */
    .page-585vip__floating-buttons {
      position: fixed;
      bottom: var(--spacing-unit) * 2;
      right: var(--spacing-unit);
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: var(--spacing-unit);
    }

    .page-585vip__floating-button {
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      min-width: 120px;
      box-sizing: border-box;
    }

    .page-585vip__floating-button:hover {
      background-color: #d44220;
      transform: translateY(-2px);
    }

    /* Product Grid */
    .page-585vip__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--spacing-unit);
      margin-top: var(--spacing-unit) * 2;
      text-align: center;
    }

    .page-585vip__product-item {
      background-color: #2a2a2a;
      border-radius: var(--border-radius);
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding-bottom: var(--spacing-unit);
    }

    .page-585vip__product-item:hover {
      transform: translateY(-5px);
    }

    .page-585vip__product-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: var(--spacing-unit);
    }
    
    .page-585vip__product-image {
      width: 100%;
      height: 250px; /* Chiều cao cố định cho ảnh sản phẩm */
      object-fit: cover;
      display: block;
      max-width: 100%;
      transition: transform 0.3s ease;
    }

    .page-585vip__product-item:hover .page-585vip__product-image {
      transform: scale(1.05);
    }

    .page-585vip__product-name {
      font-size: 1.5em;
      color: var(--accent-color);
      margin-bottom: var(--spacing-unit) / 2;
      padding: 0 var(--spacing-unit);
    }

    .page-585vip__product-description {
      font-size: 0.95em;
      color: #bbb;
      padding: 0 var(--spacing-unit);
    }

    /* Promotions Section */
    .page-585vip__promotion-card {
      background-color: var(--primary-color);
      padding: var(--spacing-unit) * 1.5;
      border-radius: var(--border-radius);
      margin-bottom: var(--spacing-unit);
      text-align: left;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .page-585vip__promotion-title {
      font-size: 1.8em;
      color: var(--text-light);
      margin-bottom: var(--spacing-unit) / 2;
    }

    .page-585vip__promotion-text {
      font-size: 1.1em;
      color: #f5f5f5;
      margin-bottom: var(--spacing-unit);
    }

    .page-585vip__promotion-link {
      display: inline-block;
      background-color: var(--accent-color);
      color: var(--secondary-color);
      padding: 10px 20px;
      border-radius: var(--border-radius);
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-585vip__promotion-link:hover {
      background-color: #e0b800;
    }

    /* Payment & Providers Section */
    .page-585vip__logos-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: var(--spacing-unit);
      margin-top: var(--spacing-unit);
      justify-items: center;
      align-items: center;
    }

    .page-585vip__logo-item {
      background-color: #2a2a2a;
      padding: var(--spacing-unit);
      border-radius: var(--border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      width: 100%;
      max-width: 180px;
      height: 100px; /* Chiều cao cố định cho logo */
      display: flex;
      align-items: center;
      justify-content: center;
      box-sizing: border-box;
    }

    .page-585vip__logo-image {
      max-width: 100%;
      max-height: 80%;
      height: auto;
      object-fit: contain;
      display: block;
    }

    /* FAQ Section */
    .page-585vip__faq-list {
      margin-top: var(--spacing-unit) * 2;
      text-align: left;
    }

    .page-585vip__faq-item {
      background-color: #2a2a2a;
      border-radius: var(--border-radius);
      margin-bottom: var(--spacing-unit);
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-585vip__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: var(--spacing-unit);
      cursor: pointer;
      background-color: var(--secondary-color);
      color: var(--accent-color);
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-585vip__faq-question h3 {
      margin: 0;
      font-size: 1.2em; /* Đảm bảo h3 không ghi đè font-size của div cha */
      color: inherit; /* Kế thừa màu từ div cha .page-585vip__faq-question */
      pointer-events: none; /* Ngăn h3 chặn sự kiện click trên div cha */
    }

    .page-585vip__faq-question:hover {
      background-color: #444;
    }

    .page-585vip__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Ngăn icon toggle chặn sự kiện click trên div cha */
      transition: transform 0.3s ease;
    }

    .page-585vip__faq-item.active .page-585vip__faq-toggle {
      transform: rotate(45deg); /* Xoay '+' thành 'x' hoặc '−' */
    }

    .page-585vip__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 var(--spacing-unit);
      background-color: #333;
      color: #ccc;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 1em;
      text-align: justify;
    }

    .page-585vip__faq-item.active .page-585vip__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: var(--spacing-unit) !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-585vip__title {
        font-size: 2em;
      }

      .page-585vip__subtitle {
        font-size: 1.5em;
      }

      .page-585vip__hero-title {
        font-size: 2.5em;
      }

      .page-585vip__hero-description {
        font-size: 1.1em;
      }

      .page-585vip__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-585vip__product-grid {
        grid-template-columns: 1fr; /* Xếp chồng sản phẩm trên di động */
      }

      .page-585vip__product-image {
        height: 200px; /* Điều chỉnh chiều cao cho màn hình nhỏ hơn */
      }

      .page-585vip__product-name {
        font-size: 1.3em;
      }

      .page-585vip__promotion-title {
        font-size: 1.5em;
      }

      .page-585vip__promotion-text {
        font-size: 1em;
      }

      .page-585vip__floating-buttons {
        flex-direction: row;
        width: calc(100% - var(--spacing-unit) * 2);
        left: var(--spacing-unit);
        right: var(--spacing-unit);
        justify-content: space-around;
        gap: var(--spacing-unit) / 2;
      }
      
      .page-585vip__floating-button {
        min-width: unset;
        width: 48% !important; /* Điều chỉnh chiều rộng cho hai nút */
        padding: 10px 15px;
        font-size: 1em;
      }

      .page-585vip__logos-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }

      .page-585vip__logo-item {
        max-width: 100%;
        height: 80px;
        padding: var(--spacing-unit) / 2;
      }

      /* Quy tắc responsive cho danh sách trên di động */
      .page-585vip__feature-list,
      .page-585vip__benefit-list {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-585vip__feature-item,
      .page-585vip__benefit-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: var(--spacing-unit) !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-585vip__faq-question {
        font-size: 1.1em;
        padding: var(--spacing-unit) * 0.8;
      }

      .page-585vip__faq-question h3 {
        font-size: 1.1em;
      }

      .page-585vip__faq-answer {
        padding: var(--spacing-unit) * 0.8;
      }

      .page-585vip__faq-item.active .page-585vip__faq-answer {
        padding: var(--spacing-unit) * 0.8 !important;
      }
    }

    /* Đảm bảo tất cả hình ảnh responsive */
    .page-585vip img {
      max-width: 100%;
      height: auto;
      display: block; /* Loại bỏ khoảng trống thừa bên dưới hình ảnh */
    }

    @media (max-width: 768px) {
      .page-585vip img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-585vip__image-container { /* Nếu có các container chứa hình ảnh */
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }