:root {
        --page-688vnd-primary-color: #e44d26; /* Một màu cam đỏ nổi bật */
        --page-688vnd-secondary-color: #2c3e50; /* Xám đậm */
        --page-688vnd-accent-color: #f39c12; /* Màu vàng cam */
        --page-688vnd-text-color: #333;
        --page-688vnd-light-text-color: #ecf0f1;
        --page-688vnd-background-color: #f8f9fa;
        --page-688vnd-dark-background: #1a1a1a;
        --page-688vnd-border-radius: 8px;
        --page-688vnd-box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-688vnd {
        font-family: 'Arial', sans-serif;
        color: var(--page-688vnd-text-color);
        line-height: 1.6;
        background-color: var(--page-688vnd-background-color);
        overflow-x: hidden;
        padding-top: 10px; /* Adjusted for header offset */
    }

    .page-688vnd__section {
        padding: 40px 20px;
        margin: 0 auto;
        max-width: 1200px;
        box-sizing: border-box;
    }

    .page-688vnd__section--dark {
        background-color: var(--page-688vnd-dark-background);
        color: var(--page-688vnd-light-text-color);
    }

    .page-688vnd__section-title {
        text-align: center;
        color: var(--page-688vnd-primary-color);
        font-size: 2.5em;
        margin-bottom: 30px;
        position: relative;
        padding-bottom: 10px;
    }

    .page-688vnd__section-title::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background-color: var(--page-688vnd-accent-color);
        border-radius: 2px;
    }

    .page-688vnd__section-subtitle {
        text-align: center;
        color: var(--page-688vnd-secondary-color);
        font-size: 1.2em;
        margin-bottom: 40px;
    }
    .page-688vnd__section--dark .page-688vnd__section-subtitle {
        color: var(--page-688vnd-light-text-color);
    }

    /* Hero Section */
    .page-688vnd__hero-section {
        background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('[GALLERY:hero:1920x1080:gaming,casino,abstract]') center/cover no-repeat;
        color: var(--page-688vnd-light-text-color);
        text-align: center;
        padding: 80px 20px 100px;
        min-height: 60vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: relative;
        box-sizing: border-box;
    }

    .page-688vnd__hero-title {
        font-size: 3.5em;
        margin-bottom: 15px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
        color: var(--page-688vnd-primary-color);
    }

    .page-688vnd__hero-subtitle {
        font-size: 1.5em;
        margin-bottom: 30px;
        max-width: 800px;
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
    }

    .page-688vnd__hero-buttons {
        display: flex;
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .page-688vnd__button {
        background-color: var(--page-688vnd-primary-color);
        color: var(--page-688vnd-light-text-color);
        padding: 15px 30px;
        border: none;
        border-radius: var(--page-688vnd-border-radius);
        font-size: 1.1em;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.2s ease;
        text-decoration: none;
        display: inline-block;
        text-align: center;
        box-shadow: var(--page-688vnd-box-shadow);
    }

    .page-688vnd__button:hover {
        background-color: var(--page-688vnd-accent-color);
        transform: translateY(-3px);
    }

    .page-688vnd__floating-buttons {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        gap: 15px;
        z-index: 1000;
    }

    .page-688vnd__floating-button {
        background-color: var(--page-688vnd-primary-color);
        color: var(--page-688vnd-light-text-color);
        padding: 12px 25px;
        border: none;
        border-radius: 50px;
        font-size: 1em;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.2s ease;
        text-decoration: none;
        display: inline-block;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        white-space: nowrap;
    }

    .page-688vnd__floating-button:hover {
        background-color: var(--page-688vnd-accent-color);
        transform: translateY(-2px);
    }

    /* About Section */
    .page-688vnd__about-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 30px;
        text-align: center;
    }

    .page-688vnd__about-text {
        max-width: 800px;
        font-size: 1.1em;
    }

    .page-688vnd__about-image {
        width: 100%;
        max-width: 600px;
        height: auto;
        border-radius: var(--page-688vnd-border-radius);
        box-shadow: var(--page-688vnd-box-shadow);
        display: block;
        margin-top: 20px;
    }

    /* Product Showcase */
    .page-688vnd__product-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .page-688vnd__product-card {
        background-color: #fff;
        border-radius: var(--page-688vnd-border-radius);
        box-shadow: var(--page-688vnd-box-shadow);
        overflow: hidden;
        text-align: center;
        transition: transform 0.3s ease;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        box-sizing: border-box;
    }

    .page-688vnd__product-card:hover {
        transform: translateY(-5px);
    }

    .page-688vnd__product-image-wrapper {
        width: 100%;
        height: 200px;
        overflow: hidden;
        display: flex;
        justify-content: center;
        align-items: center;
        background-color: #f0f0f0;
    }

    .page-688vnd__product-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .page-688vnd__product-content {
        padding: 20px;
    }

    .page-688vnd__product-title {
        font-size: 1.5em;
        color: var(--page-688vnd-secondary-color);
        margin-bottom: 10px;
    }

    .page-688vnd__product-description {
        font-size: 0.95em;
        color: #666;
        margin-bottom: 20px;
    }

    /* Promotions Section */
    .page-688vnd__promotion-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .page-688vnd__promotion-card {
        background-color: #fff;
        border-radius: var(--page-688vnd-border-radius);
        box-shadow: var(--page-688vnd-box-shadow);
        padding: 25px;
        text-align: center;
        transition: transform 0.3s ease;
        box-sizing: border-box;
    }

    .page-688vnd__promotion-card:hover {
        transform: translateY(-5px);
    }

    .page-688vnd__promotion-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 20px;
        display: block;
        margin-left: auto;
        margin-right: auto;
        border-radius: 50%;
        object-fit: cover;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .page-688vnd__promotion-title {
        font-size: 1.6em;
        color: var(--page-688vnd-primary-color);
        margin-bottom: 10px;
    }

    .page-688vnd__promotion-description {
        font-size: 1em;
        color: #555;
        margin-bottom: 20px;
    }

    /* Payment Methods & Providers */
    .page-688vnd__payment-grid,
    .page-688vnd__provider-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 20px;
        margin-top: 30px;
        justify-items: center;
        align-items: center;
    }

    .page-688vnd__payment-item,
    .page-688vnd__provider-item {
        background-color: #fff;
        border-radius: var(--page-688vnd-border-radius);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        padding: 15px;
        text-align: center;
        transition: transform 0.2s ease;
        box-sizing: border-box;
    }

    .page-688vnd__payment-item:hover,
    .page-688vnd__provider-item:hover {
        transform: translateY(-3px);
    }

    .page-688vnd__payment-logo,
    .page-688vnd__provider-logo {
        max-width: 100px;
        height: 60px;
        object-fit: contain;
        display: block;
        margin: 0 auto;
    }

    /* Why Choose Us */
    .page-688vnd__features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .page-688vnd__feature-card {
        background-color: #fff;
        border-radius: var(--page-688vnd-border-radius);
        box-shadow: var(--page-688vnd-box-shadow);
        padding: 25px;
        text-align: center;
        transition: transform 0.3s ease;
        box-sizing: border-box;
    }

    .page-688vnd__feature-card:hover {
        transform: translateY(-5px);
    }

    .page-688vnd__feature-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
        display: block;
        margin-left: auto;
        margin-right: auto;
        object-fit: contain;
    }

    .page-688vnd__feature-title {
        font-size: 1.4em;
        color: var(--page-688vnd-secondary-color);
        margin-bottom: 10px;
    }

    .page-688vnd__feature-description {
        font-size: 0.95em;
        color: #666;
    }

    /* FAQ Section */
    .page-688vnd__faq-container {
        max-width: 900px;
        margin: 40px auto 0;
    }

    .page-688vnd__faq-item {
        background-color: #fff;
        border-radius: var(--page-688vnd-border-radius);
        margin-bottom: 15px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
        overflow: hidden;
    }

    .page-688vnd__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        background-color: #f0f0f0;
        cursor: pointer;
        user-select: none;
        transition: background-color 0.3s ease;
        color: var(--page-688vnd-secondary-color);
        font-weight: bold;
    }

    .page-688vnd__faq-question:hover {
        background-color: #e0e0e0;
    }

    .page-688vnd__faq-question h3 {
        margin: 0;
        font-size: 1.1em;
        pointer-events: none; /* Prevent h3 from blocking click */
        flex-grow: 1;
        text-align: left;
    }

    .page-688vnd__faq-toggle {
        font-size: 1.5em;
        line-height: 1;
        margin-left: 15px;
        pointer-events: none; /* Prevent toggle from blocking click */
        transition: transform 0.3s ease;
    }

    .page-688vnd__faq-item.active .page-688vnd__faq-toggle {
        transform: rotate(45deg);
    }

    .page-688vnd__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 25px;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        opacity: 0;
        color: #555;
        background-color: #fdfdfd;
    }

    .page-688vnd__faq-item.active .page-688vnd__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px 25px !important;
        opacity: 1;
    }

    /* Call to Action */
    .page-688vnd__cta-section {
        text-align: center;
        padding: 60px 20px;
        background-color: var(--page-688vnd-primary-color);
        color: var(--page-688vnd-light-text-color);
    }

    .page-688vnd__cta-title {
        font-size: 2.2em;
        margin-bottom: 20px;
    }

    .page-688vnd__cta-text {
        font-size: 1.2em;
        margin-bottom: 30px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-688vnd__cta-button {
        background-color: var(--page-688vnd-accent-color);
        color: var(--page-688vnd-light-text-color);
        padding: 18px 40px;
        border: none;
        border-radius: var(--page-688vnd-border-radius);
        font-size: 1.2em;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.2s ease;
        text-decoration: none;
        display: inline-block;
        box-shadow: var(--page-688vnd-box-shadow);
    }

    .page-688vnd__cta-button:hover {
        background-color: #e67e22; /* Slightly darker accent */
        transform: translateY(-3px);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .page-688vnd__hero-title {
            font-size: 2.5em;
        }

        .page-688vnd__hero-subtitle {
            font-size: 1.2em;
        }

        .page-688vnd__section-title {
            font-size: 2em;
        }

        .page-688vnd__section {
            padding: 30px 15px;
        }

        .page-688vnd__hero-buttons,
        .page-688vnd__floating-buttons {
            flex-direction: column;
            gap: 10px;
            width: 100%;
            align-items: center;
        }

        .page-688vnd__button,
        .page-688vnd__floating-button,
        .page-688vnd__cta-button {
            width: 80%;
            max-width: 300px;
            font-size: 1em;
            padding: 12px 20px;
        }

        .page-688vnd__floating-buttons {
            bottom: 15px;
        }

        /* List item mobile responsiveness */
        .page-688vnd__product-grid,
        .page-688vnd__promotion-grid,
        .page-688vnd__payment-grid,
        .page-688vnd__provider-grid,
        .page-688vnd__features-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        
        .page-688vnd__product-card,
        .page-688vnd__promotion-card,
        .page-688vnd__payment-item,
        .page-688vnd__provider-item,
        .page-688vnd__feature-card {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            padding: 15px !important; /* Adjust padding for smaller screens */
        }

        .page-688vnd__product-image-wrapper {
            height: 180px;
        }

        .page-688vnd__faq-question {
            padding: 15px 20px;
        }

        .page-688vnd__faq-question h3 {
            font-size: 1em;
        }

        .page-688vnd__faq-answer {
            padding: 0 20px;
        }
        .page-688vnd__faq-item.active .page-688vnd__faq-answer {
            padding: 15px 20px !important;
        }

        .page-688vnd__cta-title {
            font-size: 1.8em;
        }

        .page-688vnd__cta-text {
            font-size: 1em;
        }

        /* Image responsiveness */
        .page-688vnd__about-image,
        .page-688vnd__product-image,
        .page-688vnd__promotion-icon,
        .page-688vnd__payment-logo,
        .page-688vnd__provider-logo,
        .page-688vnd__feature-icon {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
            display: block !important;
            margin-left: auto !important;
            margin-right: auto !important;
        }
        .page-688vnd__product-image-wrapper,
        .page-688vnd__payment-item,
        .page-688vnd__provider-item,
        .page-688vnd__feature-card {
            width: 100% !important;
            max-width: 100% !important;
            overflow: hidden !important;
            box-sizing: border-box !important;
        }
        .page-688vnd__about-text p,
        .page-688vnd__product-description,
        .page-688vnd__promotion-description,
        .page-688vnd__feature-description,
        .page-688vnd__faq-answer p,
        .page-688vnd__cta-text {
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }
    }

    @media (max-width: 480px) {
        .page-688vnd__hero-title {
            font-size: 2em;
        }
        .page-688vnd__hero-subtitle {
            font-size: 1em;
        }
        .page-688vnd__section-title {
            font-size: 1.8em;
        }
        .page-688vnd__button,
        .page-688vnd__floating-button,
        .page-688vnd__cta-button {
            width: 95%;
            padding: 10px 15px;
        }
        .page-688vnd__floating-buttons {
            flex-direction: row;
            width: auto;
            left: 10px;
            right: 10px;
            transform: none;
            justify-content: space-around;
        }
    }