/* Tổng thể */
    .page-sumclub {
        font-family: 'Arial', sans-serif;
        color: #333;
        line-height: 1.6;
        background-color: #f9f9f9;
    }

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

    /* Tiêu đề */
    .page-sumclub h1, .page-sumclub h2, .page-sumclub h3 {
        color: #0056b3; /* Dark blue for headings */
        margin-bottom: 15px;
        text-align: center;
    }

    .page-sumclub h1 {
        font-size: 2.5em;
        margin-top: 20px;
    }

    .page-sumclub h2 {
        font-size: 2em;
        border-bottom: 2px solid #0056b3;
        padding-bottom: 10px;
        margin-top: 40px;
    }

    .page-sumclub h3 {
        font-size: 1.5em;
        color: #007bff;
    }

    /* Các phần chính */
    .page-sumclub__section {
        background-color: #fff;
        padding: 30px;
        margin-bottom: 30px;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    /* Hero Section */
    .page-sumclub__hero-section {
        position: relative;
        text-align: center;
        color: #fff;
        padding: 10px 0 50px 0; /* Adjusted padding-top for fixed header */
        overflow: hidden;
        background-color: #0056b3; /* Fallback background */
    }

    .page-sumclub__hero-background {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        top: 0;
        left: 0;
        z-index: 1;
        opacity: 0.7;
    }

    .page-sumclub__hero-content {
        position: relative;
        z-index: 2;
        max-width: 900px;
        margin: 0 auto;
        padding: 20px;
    }

    .page-sumclub__hero-content h1 {
        color: #fff;
        font-size: 3em;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-sumclub__hero-content p {
        font-size: 1.2em;
        margin-bottom: 30px;
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
    }

    .page-sumclub__cta-button {
        display: inline-block;
        background-color: #ffc107; /* Yellow */
        color: #333;
        padding: 15px 30px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.1em;
        transition: background-color 0.3s ease, transform 0.3s ease;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        cursor: pointer; /* Ensure it looks clickable */
        border: none; /* Make it look like a button */
    }

    .page-sumclub__cta-button:hover {
        background-color: #e0a800;
        transform: translateY(-2px);
    }

    /* Floating Login Button */
    .page-sumclub__floating-button-wrapper {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 1000;
        width: 100%;
        max-width: 300px;
        text-align: center;
        box-sizing: border-box;
        padding: 0 10px;
    }

    .page-sumclub__floating-button {
        display: block;
        background-color: #dc3545; /* Red */
        color: #fff;
        padding: 15px 25px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.1em;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        transition: background-color 0.3s ease, transform 0.3s ease;
        width: 100%;
        box-sizing: border-box;
        border: none;
        cursor: pointer;
    }

    .page-sumclub__floating-button:hover {
        background-color: #c82333;
        transform: translateY(-3px);
    }

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

    .page-sumclub__game-card {
        background-color: #fefefe;
        border-radius: 10px;
        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;
        padding-bottom: 20px;
    }

    .page-sumclub__game-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-sumclub__game-card-image {
        width: 100%;
        height: 200px; /* Ensure minimum height */
        object-fit: cover;
        display: block;
        border-bottom: 1px solid #eee;
    }

    .page-sumclub__game-card h3 {
        margin: 15px 10px 10px;
        color: #0056b3;
    }

    .page-sumclub__game-card p {
        padding: 0 15px;
        font-size: 0.95em;
        color: #555;
    }

    /* Download Section */
    .page-sumclub__download-steps {
        display: flex;
        flex-direction: column;
        gap: 20px;
        margin-top: 20px;
    }

    .page-sumclub__download-step-item {
        display: flex;
        align-items: flex-start;
        background-color: #eaf6ff;
        border-left: 5px solid #007bff;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    .page-sumclub__download-step-item strong {
        font-size: 1.2em;
        color: #0056b3;
        margin-right: 15px;
        flex-shrink: 0;
    }

    .page-sumclub__download-links {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin-top: 30px;
        flex-wrap: wrap;
    }

    .page-sumclub__download-link-button {
        display: inline-block;
        background-color: #28a745; /* Green */
        color: #fff;
        padding: 12px 25px;
        border-radius: 5px;
        text-decoration: none;
        font-weight: bold;
        transition: background-color 0.3s ease;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        border: none;
        cursor: pointer;
    }

    .page-sumclub__download-link-button:hover {
        background-color: #218838;
    }

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

    .page-sumclub__promo-card {
        background-color: #fff;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        overflow: hidden;
        transition: transform 0.3s ease;
    }

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

    .page-sumclub__promo-card-image {
        width: 100%;
        height: 220px;
        object-fit: cover;
        display: block;
    }

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

    .page-sumclub__promo-card h3 {
        margin-top: 0;
        color: #0056b3;
        text-align: left;
    }

    .page-sumclub__promo-card p {
        font-size: 0.95em;
        color: #555;
        margin-bottom: 15px;
    }

    .page-sumclub__promo-card-button {
        background-color: #007bff;
        color: #fff;
        padding: 10px 20px;
        border-radius: 5px;
        text-decoration: none;
        font-weight: bold;
        transition: background-color 0.3s ease;
        border: none;
        cursor: pointer;
    }

    .page-sumclub__promo-card-button:hover {
        background-color: #0056b3;
    }

    /* FAQ Section */
    .page-sumclub__faq-list {
        margin-top: 30px;
    }

    .page-sumclub__faq-item {
        background-color: #fefefe;
        border: 1px solid #eee;
        border-radius: 8px;
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    .page-sumclub__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 20px;
        background-color: #007bff; /* Blue for question header */
        color: #fff;
        cursor: pointer;
        user-select: none;
        font-weight: bold;
        transition: background-color 0.3s ease;
    }

    .page-sumclub__faq-question:hover {
        background-color: #0056b3;
    }

    .page-sumclub__faq-question h3 {
        margin: 0;
        flex-grow: 1;
        text-align: left;
        color: #fff; /* White text for question */
        pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-sumclub__faq-toggle {
        font-size: 1.5em;
        line-height: 1;
        margin-left: 15px;
        pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-sumclub__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 15px;
        background-color: #f9f9f9;
        color: #333;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        opacity: 0;
    }

    .page-sumclub__faq-item.active .page-sumclub__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px 15px !important;
        opacity: 1;
    }

    .page-sumclub__faq-answer p {
        margin: 0;
        padding-bottom: 10px;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .page-sumclub__container {
            padding: 10px;
        }

        .page-sumclub h1 {
            font-size: 2em;
        }

        .page-sumclub h2 {
            font-size: 1.6em;
        }

        .page-sumclub__hero-content h1 {
            font-size: 2.2em;
        }

        .page-sumclub__hero-content p {
            font-size: 1em;
        }

        .page-sumclub__cta-button {
            padding: 12px 25px;
            font-size: 1em;
        }

        .page-sumclub__floating-button-wrapper {
            max-width: 90%;
            bottom: 15px;
        }

        .page-sumclub__floating-button {
            padding: 12px 20px;
            font-size: 1em;
        }

        .page-sumclub__game-grid,
        .page-sumclub__promo-grid {
            grid-template-columns: 1fr;
        }

        .page-sumclub__download-step-item {
            flex-direction: column;
            align-items: flex-start;
            padding: 15px;
        }

        .page-sumclub__download-step-item strong {
            margin-bottom: 10px;
            margin-right: 0;
        }

        .page-sumclub__download-links {
            flex-direction: column;
            gap: 15px;
        }

        .page-sumclub__download-link-button {
            width: 100%;
            box-sizing: border-box;
        }

        /* List items responsive */
        .page-sumclub ul, .page-sumclub ol {
            padding: 0 !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
        }

        .page-sumclub ul li, .page-sumclub ol li {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            padding-left: 10px !important; /* Adjust padding if needed */
            padding-right: 10px !important;
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        /* Image responsiveness */
        .page-sumclub img {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }
        .page-sumclub__game-card-image,
        .page-sumclub__promo-card-image,
        .page-sumclub__hero-background {
            max-width: 100% !important;
            height: auto !important; /* Let height adjust naturally or set a max-height */
            box-sizing: border-box !important;
        }
        .page-sumclub__game-card-image { height: 180px; } /* Adjust specific image heights for mobile */
        .page-sumclub__promo-card-image { height: 200px; }
        .page-sumclub__hero-background { height: 300px; } /* Example height for mobile hero */
    }

    @media (max-width: 480px) {
        .page-sumclub h1 {
            font-size: 1.8em;
        }
        .page-sumclub__hero-content h1 {
            font-size: 1.8em;
        }
        .page-sumclub__hero-content p {
            font-size: 0.9em;
        }
    }