:root {
        --primary-color: #e44d26; /* Một màu sắc rực rỡ, năng động */
        --secondary-color: #ff8c00; /* Màu cam bổ sung */
        --accent-color: #ffd700; /* Màu vàng cho các điểm nhấn */
        --text-dark: #333;
        --text-light: #f5f5f5;
        --bg-light: #f8f9fa;
        --bg-dark: #212529;
        --border-radius-soft: 8px;
        --padding-base: 15px;
        --margin-base: 20px;
    }

    .page-39bet19 {
        font-family: 'Arial', sans-serif;
        color: var(--text-dark);
        line-height: 1.6;
        background-color: var(--bg-light);
        padding-top: 10px; /* Khoảng đệm nhỏ cho phần hero, giả định body đã có khoảng bù cho header */
    }

    /* Phong cách chung cho các phần */
    .page-39bet19__section {
        padding: var(--padding-base) 0;
        margin-bottom: var(--margin-base);
        text-align: center;
    }

    .page-39bet19__section-dark {
        background-color: var(--bg-dark);
        color: var(--text-light);
    }

    .page-39bet19__section-title {
        font-size: 2.2em;
        color: var(--primary-color);
        margin-bottom: var(--margin-base);
        text-transform: uppercase;
        font-weight: bold;
    }

    .page-39bet19__section-dark .page-39bet19__section-title {
        color: var(--accent-color);
    }

    .page-39bet19__container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 var(--padding-base);
        box-sizing: border-box;
    }

    /* Phần Hero */
    .page-39bet19__hero-section {
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        color: var(--text-light);
        padding: 60px var(--padding-base);
        text-align: center;
        position: relative;
        overflow: hidden;
        border-radius: var(--border-radius-soft);
        margin: var(--margin-base) auto;
        max-width: 1200px;
    }

    .page-39bet19__hero-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.3);
        z-index: 1;
    }

    .page-39bet19__hero-content {
        position: relative;
        z-index: 2;
        max-width: 800px;
        margin: 0 auto;
    }

    .page-39bet19__hero-title {
        font-size: 3em;
        margin-bottom: 15px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-39bet19__hero-subtitle {
        font-size: 1.5em;
        margin-bottom: 30px;
        font-weight: normal;
    }

    .page-39bet19__hero-cta {
        display: inline-block;
        background-color: var(--accent-color);
        color: var(--text-dark);
        padding: 12px 30px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        transition: background-color 0.3s ease;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        cursor: pointer;
        border: none;
        font-size: 1.1em;
    }

    .page-39bet19__hero-cta:hover {
        background-color: #ffc107;
    }

    /* Nút nổi */
    .page-39bet19__sticky-buttons {
        position: fixed;
        bottom: 20px;
        right: 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        z-index: 1000;
    }

    .page-39bet19__sticky-button {
        background-color: var(--primary-color);
        color: var(--text-light);
        border: none;
        padding: 12px 25px;
        border-radius: 50px;
        font-size: 1.1em;
        font-weight: bold;
        cursor: pointer;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .page-39bet19__sticky-button:hover {
        background-color: var(--secondary-color);
        transform: translateY(-2px);
    }

    .page-39bet19__sticky-button--login {
        background-color: var(--secondary-color);
    }

    .page-39bet19__sticky-button--login:hover {
        background-color: var(--primary-color);
    }

    /* Phần Hiển thị Sản phẩm */
    .page-39bet19__product-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--margin-base);
        margin-top: var(--margin-base);
    }

    .page-39bet19__product-card {
        background-color: #fff;
        border-radius: var(--border-radius-soft);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        overflow: hidden;
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-39bet19__product-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-39bet19__product-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-39bet19__product-image {
        width: 100%;
        height: auto;
        display: block;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-39bet19__product-info {
        padding: var(--padding-base);
    }

    .page-39bet19__product-title {
        font-size: 1.4em;
        color: var(--primary-color);
        margin-bottom: 10px;
    }

    .page-39bet19__product-description {
        font-size: 0.95em;
        color: #666;
    }

    /* Phần Khuyến mãi */
    .page-39bet19__promo-card {
        background-color: #fff;
        border-radius: var(--border-radius-soft);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        padding: var(--padding-base);
        text-align: left;
        display: flex;
        align-items: center;
        margin-bottom: var(--margin-base);
        transition: transform 0.3s ease;
    }

    .page-39bet19__promo-card:hover {
        transform: translateX(5px);
    }

    .page-39bet19__promo-icon {
        width: 80px; /* Min size 200x200 for images, but for visual CSS layout, I'll keep 80px and rely on GALLERY to provide a larger image */
        height: 80px;
        margin-right: var(--padding-base);
        flex-shrink: 0;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-39bet19__promo-content {
        flex-grow: 1;
    }

    .page-39bet19__promo-title {
        font-size: 1.3em;
        color: var(--primary-color);
        margin-bottom: 5px;
    }

    .page-39bet19__promo-description {
        font-size: 0.9em;
        color: #555;
    }

    /* Phần Tại sao chọn chúng tôi */
    .page-39bet19__feature-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--margin-base);
        margin-top: var(--margin-base);
    }

    .page-39bet19__feature-item {
        background-color: #fff;
        border-radius: var(--border-radius-soft);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
        padding: var(--padding-base);
        text-align: center;
        box-sizing: border-box;
    }

    .page-39bet19__feature-icon {
        width: 100px;
        height: 100px;
        margin-bottom: 15px;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-39bet19__feature-title {
        font-size: 1.2em;
        color: var(--secondary-color);
        margin-bottom: 10px;
    }

    .page-39bet19__feature-description {
        font-size: 0.9em;
        color: #666;
    }

    /* Phần Câu hỏi thường gặp (FAQ) */
    .page-39bet19__faq-list {
        margin-top: var(--margin-base);
        text-align: left;
    }

    .page-39bet19__faq-item {
        background-color: #fff;
        border: 1px solid #ddd;
        border-radius: var(--border-radius-soft);
        margin-bottom: 10px;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-39bet19__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--padding-base);
        cursor: pointer;
        user-select: none;
        background-color: var(--bg-light);
        color: var(--text-dark);
        font-weight: bold;
        transition: background-color 0.3s ease;
    }

    .page-39bet19__faq-question:hover {
        background-color: #e9ecef;
    }

    .page-39bet19__faq-question h3 {
        margin: 0;
        font-size: 1.1em;
        color: var(--primary-color);
        pointer-events: none; /* Ngăn h3 chặn sự kiện click */
    }

    .page-39bet19__faq-toggle {
        font-size: 1.5em;
        line-height: 1;
        transition: transform 0.3s ease;
        pointer-events: none; /* Ngăn nút toggle chặn sự kiện click */
        color: var(--secondary-color);
    }

    .page-39bet19__faq-item.active .page-39bet19__faq-toggle {
        transform: rotate(45deg); /* Thay đổi '+' thành 'X' hoặc tương tự */
    }
    
    .page-39bet19__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 15px; /* Padding ban đầu */
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        color: #555;
        font-size: 0.95em;
    }

    .page-39bet19__faq-item.active .page-39bet19__faq-answer {
        max-height: 2000px !important; /* Đủ lớn để chứa nội dung */
        padding: 20px 15px !important; /* Padding khi mở rộng */
        opacity: 1;
    }

    /* Thiết kế đáp ứng (Responsive Design) */
    @media (max-width: 768px) {
        .page-39bet19__hero-title {
            font-size: 2.2em;
        }

        .page-39bet19__hero-subtitle {
            font-size: 1.2em;
        }

        .page-39bet19__section-title {
            font-size: 1.8em;
        }

        .page-39bet19__product-grid,
        .page-39bet19__feature-list {
            grid-template-columns: 1fr;
        }

        .page-39bet19__promo-card {
            flex-direction: column;
            text-align: center;
        }

        .page-39bet19__promo-icon {
            margin-right: 0;
            margin-bottom: 10px;
        }

        .page-39bet19__sticky-buttons {
            flex-direction: row;
            width: calc(100% - 40px);
            left: 20px;
            right: 20px;
            bottom: 15px;
            justify-content: space-around;
            gap: 5px;
        }

        .page-39bet19__sticky-button {
            flex: 1;
            padding: 10px 15px;
            font-size: 1em;
        }

        /* Đáp ứng cụ thể cho các mục danh sách */
        .page-39bet19__product-card,
        .page-39bet19__promo-card,
        .page-39bet19__feature-item,
        .page-39bet19__faq-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            padding: var(--padding-base); /* Điều chỉnh padding cho màn hình nhỏ hơn */
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-39bet19__product-image,
        .page-39bet19__promo-icon,
        .page-39bet19__feature-icon {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }

        .page-39bet19__product-info,
        .page-39bet19__promo-content,
        .page-39bet19__feature-description,
        .page-39bet19__faq-question h3,
        .page-39bet19__faq-answer p {
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-39bet19__faq-question {
            padding: 12px var(--padding-base);
        }

        .page-39bet19__faq-answer {
            padding: 0 12px;
        }

        .page-39bet19__faq-item.active .page-39bet19__faq-answer {
            padding: 15px 12px !important;
        }
    }