/* Tổng quan */
    :root {
        --primary-color: #e44d26; /* Màu cam đỏ */
        --secondary-color: #ff9900; /* Màu cam sáng */
        --dark-bg: #1a1a1a; /* Nền tối */
        --light-text: #f0f0f0; /* Chữ sáng */
        --gray-text: #b0b0b0; /* Chữ xám */
        --border-color: #333; /* Màu viền */
        --button-hover-bg: #c0392b; /* Màu nút hover */
    }

    .page-66bgame {
        font-family: 'Arial', sans-serif;
        color: var(--light-text);
        background-color: var(--dark-bg);
        line-height: 1.6;
        padding-bottom: 120px; /* Khoảng trống cho nút nổi */
    }

    .page-66bgame__section {
        padding: 40px 15px;
        max-width: 1200px;
        margin: 0 auto;
        text-align: center;
    }

    .page-66bgame__section--dark {
        background-color: #222;
    }

    .page-66bgame__section-title {
        font-size: 2.5em;
        color: var(--primary-color);
        margin-bottom: 30px;
        text-transform: uppercase;
        font-weight: bold;
        line-height: 1.2;
    }

    .page-66bgame__section-subtitle {
        font-size: 1.2em;
        color: var(--secondary-color);
        margin-bottom: 20px;
    }

    .page-66bgame__text {
        font-size: 1em;
        margin-bottom: 15px;
        color: var(--gray-text);
    }

    /* Hero Section */
    .page-66bgame__hero-section {
        background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('[GALLERY:hero:1920x1080:gaming,casino,vietnam,66bgame]') no-repeat center center/cover;
        min-height: 60vh;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 10px 15px 60px; /* Nhỏ hơn để body padding-top xử lý */
        position: relative;
    }

    .page-66bgame__hero-content {
        max-width: 900px;
        animation: fadeIn 1.5s ease-out;
    }

    .page-66bgame__hero-title {
        font-size: 3.5em;
        color: var(--light-text);
        margin-bottom: 20px;
        text-transform: uppercase;
        font-weight: 900;
        text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    }

    .page-66bgame__hero-subtitle {
        font-size: 1.5em;
        color: var(--secondary-color);
        margin-bottom: 30px;
        font-weight: 600;
    }

    .page-66bgame__cta-button {
        display: inline-block;
        background-color: var(--primary-color);
        color: var(--light-text);
        padding: 15px 30px;
        border-radius: 5px;
        text-decoration: none;
        font-size: 1.2em;
        font-weight: bold;
        transition: background-color 0.3s ease;
        border: none; /* Sử dụng button tag */
        cursor: pointer;
    }

    .page-66bgame__cta-button:hover {
        background-color: var(--button-hover-bg);
    }

    /* Floating Buttons */
    .page-66bgame__floating-buttons {
        position: fixed;
        bottom: 20px;
        right: 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        z-index: 1000;
    }

    .page-66bgame__floating-btn {
        background-color: var(--primary-color);
        color: var(--light-text);
        padding: 12px 25px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.1em;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        cursor: pointer;
        text-align: center;
        white-space: nowrap;
    }

    .page-66bgame__floating-btn:hover {
        background-color: var(--button-hover-bg);
        transform: translateY(-2px);
    }

    /* Game Categories */
    .page-66bgame__categories-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        margin-top: 40px;
    }

    .page-66bgame__category-card {
        background-color: #2a2a2a;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding-bottom: 20px;
    }

    .page-66bgame__category-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
    }

    .page-66bgame__category-image {
        width: 100%;
        height: 200px;
        object-fit: cover;
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-66bgame__category-title {
        font-size: 1.8em;
        color: var(--secondary-color);
        margin: 20px 0 10px;
        font-weight: bold;
    }

    .page-66bgame__category-description {
        color: var(--gray-text);
        padding: 0 15px;
        font-size: 0.95em;
    }

    /* Promotions Section */
    .page-66bgame__promotions-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
        margin-top: 40px;
    }

    .page-66bgame__promotion-item {
        background-color: #2a2a2a;
        border-radius: 10px;
        padding: 25px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        text-align: left;
        border-left: 5px solid var(--primary-color);
    }

    .page-66bgame__promotion-title {
        font-size: 1.5em;
        color: var(--primary-color);
        margin-bottom: 10px;
    }

    .page-66bgame__promotion-text {
        color: var(--gray-text);
        font-size: 0.95em;
    }

    /* About Section */
    .page-66bgame__about-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 30px;
        margin-top: 40px;
    }

    .page-66bgame__about-image {
        width: 100%;
        max-width: 600px;
        height: auto;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-66bgame__about-text-block {
        text-align: left;
    }

    /* Why Choose Us Section */
    .page-66bgame__advantages-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        margin-top: 40px;
    }

    .page-66bgame__advantage-card {
        background-color: #2a2a2a;
        border-radius: 10px;
        padding: 30px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        text-align: center;
        border-bottom: 4px solid var(--secondary-color);
    }

    .page-66bgame__advantage-title {
        font-size: 1.4em;
        color: var(--light-text);
        margin-bottom: 15px;
    }

    .page-66bgame__advantage-text {
        color: var(--gray-text);
        font-size: 0.95em;
    }

    /* FAQ Section */
    .page-66bgame__faq-container {
        max-width: 800px;
        margin: 40px auto 0;
        text-align: left;
    }

    .page-66bgame__faq-item {
        background-color: #2a2a2a;
        border-radius: 8px;
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }

    .page-66bgame__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
        background-color: #333;
        color: var(--light-text);
        cursor: pointer;
        user-select: none;
        transition: background-color 0.3s ease;
    }

    .page-66bgame__faq-question:hover {
        background-color: #444;
    }

    .page-66bgame__faq-question h3 {
        margin: 0;
        font-size: 1.2em;
        color: var(--secondary-color);
        pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-66bgame__faq-toggle {
        font-size: 1.8em;
        line-height: 1;
        font-weight: bold;
        color: var(--primary-color);
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-66bgame__faq-item.active .page-66bgame__faq-toggle {
        transform: rotate(45deg); /* Change + to X (or similar) */
        color: var(--light-text);
    }

    .page-66bgame__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 20px; /* Initial padding */
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        color: var(--gray-text);
        font-size: 0.95em;
    }

    .page-66bgame__faq-item.active .page-66bgame__faq-answer {
        max-height: 2000px !important; /* Sufficiently large to contain content */
        padding: 20px 20px !important; /* Expanded padding */
        opacity: 1;
    }

    /* Call to Action Section */
    .page-66bgame__cta-section {
        padding: 60px 15px;
        background: linear-gradient(to right, #1a1a1a, #333);
        text-align: center;
        margin-top: 60px;
        border-top: 3px solid var(--primary-color);
    }

    .page-66bgame__cta-section-title {
        font-size: 2.8em;
        color: var(--light-text);
        margin-bottom: 20px;
        font-weight: bold;
    }

    .page-66bgame__cta-section-subtitle {
        font-size: 1.3em;
        color: var(--secondary-color);
        margin-bottom: 40px;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
        .page-66bgame__hero-title {
            font-size: 3em;
        }
        .page-66bgame__hero-subtitle {
            font-size: 1.3em;
        }
        .page-66bgame__section-title {
            font-size: 2em;
        }
        .page-66bgame__cta-section-title {
            font-size: 2.2em;
        }
    }

    @media (max-width: 768px) {
        .page-66bgame__hero-title {
            font-size: 2.5em;
        }
        .page-66bgame__hero-subtitle {
            font-size: 1.1em;
        }
        .page-66bgame__section {
            padding: 30px 15px;
        }
        .page-66bgame__section-title {
            font-size: 1.8em;
        }
        .page-66bgame__cta-button {
            padding: 12px 25px;
            font-size: 1.1em;
        }

        .page-66bgame__floating-buttons {
            flex-direction: row;
            width: calc(100% - 40px);
            left: 20px;
            right: 20px;
            justify-content: space-around;
            bottom: 15px;
        }

        .page-66bgame__floating-btn {
            flex: 1;
            padding: 10px 15px;
            font-size: 1em;
        }

        .page-66bgame__categories-grid,
        .page-66bgame__promotions-list,
        .page-66bgame__advantages-grid {
            grid-template-columns: 1fr;
        }

        .page-66bgame__about-content {
            flex-direction: column;
        }

        .page-66bgame__cta-section-title {
            font-size: 1.8em;
        }
        .page-66bgame__cta-section-subtitle {
            font-size: 1.1em;
        }

        /* List item responsiveness */
        .page-66bgame__categories-grid > *,
        .page-66bgame__promotions-list > *,
        .page-66bgame__advantages-grid > * {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
        }
        .page-66bgame__categories-grid,
        .page-66bgame__promotions-list,
        .page-66bgame__advantages-grid {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            padding: 0 !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }
        .page-66bgame__category-description,
        .page-66bgame__promotion-text,
        .page-66bgame__advantage-text,
        .page-66bgame__faq-answer {
            word-break: break-word !important;
            overflow-wrap: break-word !important;
        }
        .page-66bgame__category-image,
        .page-66bgame__about-image {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }
    }

    @media (max-width: 480px) {
        .page-66bgame__hero-title {
            font-size: 2em;
        }
        .page-66bgame__hero-subtitle {
            font-size: 1em;
        }
        .page-66bgame__section-title {
            font-size: 1.5em;
        }
        .page-66bgame__floating-btn {
            font-size: 0.9em;
            padding: 8px 10px;
        }
        .page-66bgame__faq-question h3 {
            font-size: 1em;
        }
        .page-66bgame__faq-toggle {
            font-size: 1.5em;
        }
        .page-66bgame__cta-section-title {
            font-size: 1.5em;
        }
        .page-66bgame__cta-section-subtitle {
            font-size: 1em;
        }
    }

    /* Keyframe Animations */
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(20px); }
        to { opacity: 1; transform: translateY(0); }
    }