:root {
        --page-g99go-primary-color: #ffcc00; /* Vàng rực rỡ */
        --page-g99go-secondary-color: #e60000; /* Đỏ mạnh mẽ */
        --page-g99go-dark-bg: #1a1a1a; /* Nền tối */
        --page-g99go-light-text: #ffffff; /* Chữ trắng */
        --page-g99go-accent-text: #333333; /* Chữ đen cho các nút */
        --page-g99go-border-color: #444444;
        --page-g99go-gradient-start: #2a0a0a;
        --page-g99go-gradient-end: #0a0a0a;
    }

    .page-g99go {
        font-family: 'Arial', sans-serif;
        color: var(--page-g99go-light-text);
        background: linear-gradient(135deg, var(--page-g99go-gradient-start), var(--page-g99go-gradient-end));
        line-height: 1.6;
        padding-bottom: 80px; /* Để chừa chỗ cho floating buttons */
    }

    .page-g99go__section {
        padding: 40px 15px;
        max-width: 1200px;
        margin: 0 auto;
        text-align: center;
    }

    .page-g99go__section-title {
        font-size: 2.5em;
        color: var(--page-g99go-primary-color);
        margin-bottom: 20px;
        text-transform: uppercase;
        letter-spacing: 1px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-g99go__section-subtitle {
        font-size: 1.2em;
        color: var(--page-g99go-light-text);
        margin-bottom: 30px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    /* Hero Section */
    .page-g99go__hero-section {
        position: relative;
        padding: 10px 15px 60px 15px; /* Adjust top padding for header offset */
        background-color: var(--page-g99go-dark-bg);
        overflow: hidden;
        text-align: center;
    }

    .page-g99go__hero-background {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.3;
        z-index: 0;
    }

    .page-g99go__hero-content {
        position: relative;
        z-index: 1;
        padding-top: 50px;
        padding-bottom: 50px;
    }

    .page-g99go__hero-title {
        font-size: 2.8em;
        color: var(--page-g99go-primary-color);
        margin-bottom: 15px;
        text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
    }

    .page-g99go__hero-description {
        font-size: 1.1em;
        color: var(--page-g99go-light-text);
        max-width: 700px;
        margin: 0 auto 30px auto;
    }

    /* Floating Buttons */
    .page-g99go__floating-buttons {
        position: fixed;
        bottom: 15px;
        right: 15px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        z-index: 1000;
    }

    .page-g99go__floating-button {
        background-color: var(--page-g99go-secondary-color);
        color: var(--page-g99go-light-text);
        border: none;
        padding: 12px 25px;
        border-radius: 30px;
        font-size: 1.1em;
        font-weight: bold;
        cursor: pointer;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        transition: background-color 0.3s ease, transform 0.2s ease;
        white-space: nowrap;
    }

    .page-g99go__floating-button:hover {
        background-color: #cc0000;
        transform: translateY(-2px);
    }

    /* Game Categories */
    .page-g99go__game-categories-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-g99go__game-card {
        background-color: rgba(34, 34, 34, 0.8);
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        text-align: left;
        border: 1px solid var(--page-g99go-border-color);
    }

    .page-g99go__game-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 25px rgba(0, 0, 0, 0.6);
    }

    .page-g99go__game-card-image {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-bottom: 1px solid var(--page-g99go-border-color);
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-g99go__game-card-content {
        padding: 20px;
        flex-grow: 1;
    }

    .page-g99go__game-card-title {
        font-size: 1.5em;
        color: var(--page-g99go-primary-color);
        margin-bottom: 10px;
    }

    .page-g99go__game-card-description {
        font-size: 0.95em;
        color: #cccccc;
        margin-bottom: 15px;
    }

    .page-g99go__game-card-button {
        background-color: var(--page-g99go-secondary-color);
        color: var(--page-g99go-light-text);
        border: none;
        padding: 10px 20px;
        border-radius: 25px;
        font-size: 0.9em;
        font-weight: bold;
        cursor: pointer;
        transition: background-color 0.3s ease;
        display: block;
        width: fit-content;
        margin-top: auto;
    }

    .page-g99go__game-card-button:hover {
        background-color: #cc0000;
    }

    /* Promotions Section */
    .page-g99go__promotions-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-g99go__promotion-item {
        background-color: rgba(34, 34, 34, 0.8);
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-align: left;
        border: 1px solid var(--page-g99go-border-color);
        display: flex;
        flex-direction: column;
    }

    .page-g99go__promotion-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 25px rgba(0, 0, 0, 0.6);
    }

    .page-g99go__promotion-image {
        width: 100%;
        height: 220px;
        object-fit: cover;
        border-bottom: 1px solid var(--page-g99go-border-color);
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-g99go__promotion-content {
        padding: 20px;
        flex-grow: 1;
    }

    .page-g99go__promotion-title {
        font-size: 1.4em;
        color: var(--page-g99go-primary-color);
        margin-bottom: 10px;
    }

    .page-g99go__promotion-description {
        font-size: 0.95em;
        color: #cccccc;
        margin-bottom: 15px;
    }

    .page-g99go__promotion-button {
        background-color: var(--page-g99go-primary-color);
        color: var(--page-g99go-accent-text);
        border: none;
        padding: 10px 20px;
        border-radius: 25px;
        font-size: 0.9em;
        font-weight: bold;
        cursor: pointer;
        transition: background-color 0.3s ease;
        display: block;
        width: fit-content;
        margin-top: auto;
    }

    .page-g99go__promotion-button:hover {
        background-color: #e0b300;
    }

    /* About Us Section */
    .page-g99go__about-us-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 30px;
        margin-top: 30px;
    }

    .page-g99go__about-us-image {
        width: 100%;
        max-width: 600px;
        height: auto;
        border-radius: 15px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
        object-fit: cover;
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-g99go__about-us-text {
        text-align: left;
        font-size: 1.05em;
        color: #e0e0e0;
        line-height: 1.8;
        max-width: 800px;
    }

    .page-g99go__about-us-text p {
        margin-bottom: 15px;
    }

    /* FAQ Section */
    .page-g99go__faq-list {
        margin-top: 30px;
        text-align: left;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-g99go__faq-item {
        background-color: rgba(34, 34, 34, 0.8);
        border-radius: 10px;
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        border: 1px solid var(--page-g99go-border-color);
    }

    .page-g99go__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 20px;
        cursor: pointer;
        user-select: none;
        background-color: #2a2a2a;
        border-bottom: 1px solid var(--page-g99go-border-color);
    }

    .page-g99go__faq-question:hover {
        background-color: #3a3a3a;
    }

    .page-g99go__faq-question-title {
        font-size: 1.2em;
        color: var(--page-g99go-primary-color);
        margin: 0;
        pointer-events: none; /* Prevent h3 from blocking click event */
        flex-grow: 1;
    }

    .page-g99go__faq-toggle {
        font-size: 1.8em;
        color: var(--page-g99go-primary-color);
        margin-left: 15px;
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent span from blocking click event */
        line-height: 1;
    }

    .page-g99go__faq-item.active .page-g99go__faq-toggle {
        transform: rotate(45deg);
    }

    .page-g99go__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 20px;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        opacity: 0;
        color: #e0e0e0;
        font-size: 0.95em;
        line-height: 1.7;
    }

    .page-g99go__faq-item.active .page-g99go__faq-answer {
        max-height: 2000px !important; /* Sufficiently large value */
        padding: 20px !important;
        opacity: 1;
    }

    .page-g99go__faq-answer p {
        margin: 0;
    }

    /* Call to Action Section */
    .page-g99go__cta-section {
        background-color: var(--page-g99go-secondary-color);
        padding: 50px 15px;
        margin-top: 40px;
        border-radius: 15px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-g99go__cta-title {
        color: var(--page-g99go-light-text);
        font-size: 2.2em;
        margin-bottom: 20px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-g99go__cta-description {
        color: var(--page-g99go-light-text);
        font-size: 1.1em;
        margin-bottom: 30px;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-g99go__cta-button {
        background-color: var(--page-g99go-primary-color);
        color: var(--page-g99go-accent-text);
        border: none;
        padding: 15px 40px;
        border-radius: 30px;
        font-size: 1.2em;
        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-g99go__cta-button:hover {
        background-color: #e0b300;
        transform: translateY(-2px);
    }

    /* Responsive Adjustments */
    @media (max-width: 1024px) {
        .page-g99go__hero-title {
            font-size: 2.5em;
        }
        .page-g99go__section-title {
            font-size: 2em;
        }
    }

    @media (max-width: 768px) {
        .page-g99go__hero-title {
            font-size: 2em;
        }
        .page-g99go__hero-description {
            font-size: 1em;
        }
        .page-g99go__section {
            padding: 30px 10px;
        }
        .page-g99go__section-title {
            font-size: 1.8em;
        }
        .page-g99go__section-subtitle {
            font-size: 1em;
        }

        .page-g99go__floating-buttons {
            flex-direction: row;
            bottom: 10px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 30px);
            justify-content: space-around;
            gap: 5px;
        }

        .page-g99go__floating-button {
            flex: 1;
            padding: 10px 15px;
            font-size: 1em;
        }

        .page-g99go__game-categories-grid, .page-g99go__promotions-grid {
            grid-template-columns: 1fr;
        }

        .page-g99go__game-card-image, .page-g99go__promotion-image {
            height: 180px;
        }

        .page-g99go__about-us-content {
            flex-direction: column;
        }

        .page-g99go__about-us-image {
            max-width: 100%;
            width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }

        .page-g99go__faq-question {
            padding: 15px;
        }

        .page-g99go__faq-question-title {
            font-size: 1.1em;
        }

        .page-g99go__faq-answer {
            padding: 0 15px;
        }

        .page-g99go__faq-item.active .page-g99go__faq-answer {
            padding: 15px !important;
        }

        .page-g99go__cta-title {
            font-size: 1.8em;
        }

        .page-g99go__cta-button {
            padding: 12px 30px;
            font-size: 1.1em;
        }
        
        /* Image responsiveness */
        .page-g99go img {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }

        .page-g99go__game-card, .page-g99go__promotion-item, .page-g99go__faq-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            padding-left: 0 !important;
            padding-right: 0 !important;
        }

        .page-g99go__game-categories-grid, .page-g99go__promotions-grid, .page-g99go__faq-list {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            padding-left: 0 !important;
            padding-right: 0 !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }

        .page-g99go p, .page-g99go li, .page-g99go h1, .page-g99go h2, .page-g99go h3, .page-g99go h4, .page-g99go h5, .page-g99go h6 {
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

    }

    @media (max-width: 480px) {
        .page-g99go__hero-title {
            font-size: 1.8em;
        }
        .page-g99go__section-title {
            font-size: 1.6em;
        }
        .page-g99go__floating-button {
            font-size: 0.9em;
            padding: 8px 10px;
        }
        .page-g99go__cta-title {
            font-size: 1.6em;
        }
        .page-g99go__cta-button {
            font-size: 1em;
            padding: 10px 25px;
        }
    }