/* 基础样式 */
    .page-mb6666 {
        font-family: 'Arial', sans-serif;
        background-color: #000000;
        color: #FFFFFF;
        line-height: 1.6;
        padding-bottom: 80px; /* Space for fixed button */
    }

    .page-mb6666__container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 15px;
        box-sizing: border-box;
    }

    .page-mb6666__section {
        padding: 40px 0;
        text-align: center;
    }

    .page-mb6666__section-title {
        font-size: 2.5em;
        color: #FFD700;
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 10px;
    }

    .page-mb6666__section-title::after {
        content: '';
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: 0;
        width: 60px;
        height: 3px;
        background-color: #FFD700;
    }

    .page-mb6666__text {
        font-size: 1.1em;
        margin-bottom: 20px;
    }

    /* Hero Section */
    .page-mb6666__hero-section {
        position: relative;
        text-align: center;
        padding-top: 160px; /* Space for fixed header */
        padding-bottom: 40px;
        overflow: hidden;
    }

    .page-mb6666__hero-image {
        width: 100%;
        max-width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
        border-radius: 8px;
        object-fit: cover;
    }
    
    .page-mb6666__hero-content {
        position: relative;
        z-index: 2;
        padding: 20px 15px;
        color: #FFFFFF;
        text-align: center;
    }

    .page-mb6666__hero-logo {
        max-width: 250px;
        height: auto;
        margin-bottom: 20px;
        display: block;
        margin-left: auto;
        margin-right: auto;
    }

    .page-mb6666__hero-title {
        font-size: 3em;
        color: #FFD700;
        margin-bottom: 15px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-mb6666__hero-subtitle {
        font-size: 1.5em;
        margin-bottom: 30px;
        color: #E0E0E0;
    }

    .page-mb6666__cta-button {
        display: inline-block;
        background-color: #FFD700;
        color: #000000;
        padding: 15px 30px;
        font-size: 1.2em;
        font-weight: bold;
        border-radius: 50px;
        text-decoration: none;
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        cursor: pointer;
    }

    .page-mb6666__cta-button:hover {
        background-color: #FFC400;
        transform: translateY(-2px);
    }

    /* Giới Thiệu Section */
    .page-mb6666__intro-section {
        background-color: #1A1A1A;
        padding: 60px 0;
    }

    /* Game List Section */
    .page-mb6666__game-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-mb6666__game-card {
        background-color: #1A1A1A;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-align: left;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .page-mb6666__game-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-mb6666__game-card-image-wrapper {
        width: 100%;
        height: 200px; /* Fixed height for consistency */
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .page-mb6666__game-card-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .page-mb6666__game-card-content {
        padding: 20px;
    }

    .page-mb6666__game-card-title {
        font-size: 1.5em;
        color: #FFD700;
        margin-bottom: 10px;
    }

    .page-mb6666__game-card-description {
        font-size: 0.95em;
        color: #E0E0E0;
        margin-bottom: 15px;
    }

    /* Game Providers Section */
    .page-mb6666__providers-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
        margin-top: 30px;
    }

    .page-mb6666__provider-item {
        background-color: #1A1A1A;
        padding: 15px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 100px;
        transition: transform 0.3s ease, background-color 0.3s ease;
    }

    .page-mb6666__provider-item:hover {
        transform: scale(1.05);
        background-color: #2A2A2A;
    }

    .page-mb6666__provider-logo {
        max-width: 120px;
        max-height: 80px;
        width: 100%;
        height: auto;
        object-fit: contain;
    }

    /* Promotions Section */
    .page-mb6666__promo-card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        margin-top: 30px;
    }

    .page-mb6666__promo-card {
        background-color: #1A1A1A;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        text-align: center;
        padding-bottom: 20px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .page-mb6666__promo-image-wrapper {
        width: 100%;
        height: 220px;
        overflow: hidden;
        margin-bottom: 20px;
    }

    .page-mb6666__promo-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .page-mb6666__promo-title {
        font-size: 1.8em;
        color: #FFD700;
        margin-bottom: 10px;
        padding: 0 15px;
    }

    .page-mb6666__promo-description {
        font-size: 1em;
        color: #E0E0E0;
        margin-bottom: 20px;
        padding: 0 15px;
    }

    /* Guides Section */
    .page-mb6666__guide-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-mb6666__guide-item {
        background-color: #1A1A1A;
        border-radius: 10px;
        padding: 25px;
        text-align: left;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease;
    }

    .page-mb6666__guide-item:hover {
        transform: translateY(-5px);
    }

    .page-mb6666__guide-title {
        font-size: 1.6em;
        color: #FFD700;
        margin-bottom: 10px;
    }

    .page-mb6666__guide-text {
        font-size: 1em;
        color: #E0E0E0;
    }

    /* FAQ Section */
    .page-mb6666__faq-list {
        margin-top: 30px;
        text-align: left;
    }

    .page-mb6666__faq-item {
        background-color: #1A1A1A;
        border-radius: 8px;
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-mb6666__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 20px;
        background-color: #2A2A2A;
        color: #FFD700;
        cursor: pointer;
        font-size: 1.2em;
        font-weight: bold;
        transition: background-color 0.3s ease;
        user-select: none;
    }

    .page-mb6666__faq-question:hover {
        background-color: #3A3A3A;
    }

    .page-mb6666__faq-question h3 {
        margin: 0;
        pointer-events: none; /* Prevent h3 from blocking click event on parent div */
        color: #FFD700; /* Ensure h3 color is correct */
    }

    .page-mb6666__faq-toggle {
        font-size: 1.5em;
        line-height: 1;
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent toggle icon from blocking click event on parent div */
    }

    .page-mb6666__faq-item.active .page-mb6666__faq-toggle {
        transform: rotate(45deg); /* Plus to X / Minus */
    }

    .page-mb6666__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 20px;
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        color: #E0E0E0;
        font-size: 1em;
    }

    .page-mb6666__faq-item.active .page-mb6666__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px !important;
        opacity: 1;
    }

    /* Why Choose Section */
    .page-mb6666__why-choose-list {
        margin-top: 30px;
        text-align: left;
    }

    .page-mb6666__why-choose-item {
        background-color: #1A1A1A;
        border-left: 5px solid #FFD700;
        padding: 20px;
        margin-bottom: 15px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-mb6666__why-choose-title {
        font-size: 1.5em;
        color: #FFD700;
        margin-bottom: 10px;
    }

    .page-mb6666__why-choose-text {
        font-size: 1em;
        color: #E0E0E0;
    }

    /* Social Media Section */
    .page-mb6666__social-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
        margin-top: 30px;
    }

    .page-mb6666__social-link-button {
        background-color: #FFD700;
        color: #000000;
        padding: 12px 25px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        transition: background-color 0.3s ease, transform 0.2s ease;
        display: flex;
        align-items: center;
        gap: 8px;
        border: none;
        cursor: pointer;
    }

    .page-mb6666__social-link-button:hover {
        background-color: #FFC400;
        transform: translateY(-2px);
    }

    .page-mb6666__social-icon {
        width: 24px;
        height: 24px;
        object-fit: contain;
    }

    /* Fixed Floating Button */
    .page-mb6666__floating-button-wrapper {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        background-color: rgba(0, 0, 0, 0.9);
        padding: 10px 15px;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
        text-align: center;
        box-sizing: border-box;
    }

    .page-mb6666__floating-button {
        background-color: #FFD700;
        color: #000000;
        padding: 12px 25px;
        font-size: 1.1em;
        font-weight: bold;
        border-radius: 50px;
        text-decoration: none;
        display: block;
        width: fit-content;
        margin: 0 auto;
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        cursor: pointer;
    }

    .page-mb6666__floating-button:hover {
        background-color: #FFC400;
        transform: translateY(-2px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
        .page-mb6666__hero-section {
            padding-top: 100px; /* Adjust for mobile header */
        }

        .page-mb6666__hero-title {
            font-size: 2.2em;
        }

        .page-mb6666__hero-subtitle {
            font-size: 1.2em;
        }

        .page-mb6666__section-title {
            font-size: 2em;
        }

        .page-mb6666__game-grid,
        .page-mb6666__providers-grid,
        .page-mb6666__promo-card-grid,
        .page-mb6666__guide-list {
            grid-template-columns: 1fr;
        }

        .page-mb6666__game-card-image-wrapper,
        .page-mb6666__promo-image-wrapper {
            height: 180px; /* Smaller height on mobile */
        }

        .page-mb6666__promo-title {
            font-size: 1.5em;
        }

        .page-mb6666__faq-question {
            font-size: 1.1em;
            padding: 15px;
        }

        .page-mb6666__faq-answer {
            padding: 0 15px;
        }

        .page-mb6666__faq-item.active .page-mb6666__faq-answer {
            padding: 15px !important;
        }

        /* Enforce image responsiveness */
        .page-mb6666 img {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }
        .page-mb6666__container {
            padding: 0 10px;
        }
        .page-mb6666__cta-button,
        .page-mb6666__floating-button {
            font-size: 1em;
            padding: 12px 20px;
        }
    }