/* Tổng quan */
    :root {
        --page-kufungamedownload__primary-color: #007bff; /* Xanh dương */
        --page-kufungamedownload__secondary-color: #28a745; /* Xanh lá */
        --page-kufungamedownload__accent-color: #ffc107; /* Vàng */
        --page-kufungamedownload__dark-bg: #1a1a2e; /* Nền tối */
        --page-kufungamedownload__light-text: #f0f0f0; /* Chữ sáng */
        --page-kufungamedownload__card-bg: #2e2e4a; /* Nền thẻ */
        --page-kufungamedownload__border-color: #444466; /* Màu viền */
        --page-kufungamedownload__button-hover-bg: #0056b3; /* Nút hover */
        --page-kufungamedownload__box-shadow: rgba(0, 0, 0, 0.3);
    }

    .page-kufungamedownload {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        color: var(--page-kufungamedownload__light-text);
        background-color: var(--page-kufungamedownload__dark-bg);
        line-height: 1.6;
        overflow-x: hidden;
    }

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

    .page-kufungamedownload__section {
        padding: 40px 20px;
        margin-bottom: 20px;
        border-radius: 10px;
        background-color: var(--page-kufungamedownload__card-bg);
        box-shadow: 0 4px 15px var(--page-kufungamedownload__box-shadow);
    }

    .page-kufungamedownload__section--dark {
        background-color: var(--page-kufungamedownload__dark-bg);
    }

    .page-kufungamedownload__title {
        text-align: center;
        color: var(--page-kufungamedownload__accent-color);
        margin-bottom: 30px;
        font-size: 2.5em;
        font-weight: bold;
    }

    .page-kufungamedownload__subtitle {
        text-align: center;
        color: var(--page-kufungamedownload__primary-color);
        margin-bottom: 20px;
        font-size: 1.8em;
    }

    .page-kufungamedownload__text {
        text-align: justify;
        margin-bottom: 15px;
        font-size: 1.1em;
    }

    /* Nút chung */
    .page-kufungamedownload__button {
        display: inline-block;
        padding: 15px 30px;
        background-color: var(--page-kufungamedownload__secondary-color);
        color: white;
        text-decoration: none;
        border-radius: 50px;
        font-weight: bold;
        font-size: 1.2em;
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        cursor: pointer;
        text-align: center;
    }

    .page-kufungamedownload__button:hover {
        background-color: var(--page-kufungamedownload__button-hover-bg);
        transform: translateY(-2px);
    }

    .page-kufungamedownload__button--primary {
        background-color: var(--page-kufungamedownload__primary-color);
    }

    .page-kufungamedownload__button--primary:hover {
        background-color: var(--page-kufungamedownload__button-hover-bg);
    }

    /* Hero Section */
    .page-kufungamedownload__hero-section {
        background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('[GALLERY:hero:kufun,banner,download_app]') center center no-repeat;
        background-size: cover;
        padding: 150px 20px 80px; /* Default padding, adjusted by media query */
        text-align: center;
        position: relative;
        overflow: hidden;
        border-radius: 0 0 15px 15px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
        padding-top: 100px; /* Desktop padding-top for fixed header */
    }

    .page-kufungamedownload__hero-content {
        max-width: 900px;
        margin: 0 auto;
    }

    .page-kufungamedownload__hero-title {
        font-size: 3.5em;
        color: var(--page-kufungamedownload__accent-color);
        margin-bottom: 20px;
        text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
    }

    .page-kufungamedownload__hero-description {
        font-size: 1.4em;
        color: var(--page-kufungamedownload__light-text);
        margin-bottom: 40px;
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-kufungamedownload__hero-button-wrapper {
        display: flex;
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
    }

    /* Floating Download Button */
    .page-kufungamedownload__floating-button {
        position: fixed;
        bottom: 20px;
        right: 20px;
        background-color: #dc3545; /* Đỏ - màu nổi bật cho khuyến mãi */
        color: white;
        padding: 12px 25px;
        border-radius: 30px;
        font-size: 1.1em;
        font-weight: bold;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
        z-index: 1000;
        transition: background-color 0.3s ease, transform 0.2s ease;
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: 8px;
        border: none;
        cursor: pointer;
    }

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

    .page-kufungamedownload__floating-button-icon {
        width: 24px;
        height: 24px;
        vertical-align: middle;
    }
    
    /* Game Features Section */
    .page-kufungamedownload__features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-kufungamedownload__feature-card {
        background-color: var(--page-kufungamedownload__dark-bg);
        border-radius: 10px;
        padding: 25px;
        text-align: center;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        border: 1px solid var(--page-kufungamedownload__border-color);
        box-sizing: border-box; /* Required for list items */
    }

    .page-kufungamedownload__feature-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px var(--page-kufungamedownload__box-shadow);
    }

    .page-kufungamedownload__feature-icon {
        width: 200px; /* Minimum size 200x200 */
        height: 200px; /* Minimum size 200x200 */
        margin: 0 auto 15px; /* Center the image */
        border-radius: 50%;
        object-fit: cover;
        border: 3px solid var(--page-kufungamedownload__primary-color);
        box-shadow: 0 0 15px rgba(0, 123, 255, 0.5);
    }

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

    .page-kufungamedownload__feature-description {
        font-size: 0.95em;
        color: #cccccc;
    }

    /* Game Categories Section */
    .page-kufungamedownload__game-categories-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-kufungamedownload__game-card {
        background-color: var(--page-kufungamedownload__dark-bg);
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        border: 1px solid var(--page-kufungamedownload__border-color);
        box-sizing: border-box; /* Required for list items */
    }

    .page-kufungamedownload__game-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px var(--page-kufungamedownload__box-shadow);
    }

    .page-kufungamedownload__game-image {
        width: 100%;
        height: 250px; /* Adjusted for larger content images */
        object-fit: cover;
        display: block;
        border-bottom: 1px solid var(--page-kufungamedownload__border-color);
    }

    .page-kufungamedownload__game-content {
        padding: 20px;
        text-align: center;
    }

    .page-kufungamedownload__game-title {
        color: var(--page-kufungamedownload__accent-color);
        font-size: 1.3em;
        margin-bottom: 10px;
    }

    .page-kufungamedownload__game-description {
        font-size: 0.9em;
        color: #cccccc;
        margin-bottom: 15px;
    }
    
    /* Download Guide Section */
    .page-kufungamedownload__guide-steps {
        display: flex;
        flex-direction: column;
        gap: 25px;
        margin-top: 30px;
    }

    .page-kufungamedownload__step-item {
        display: flex;
        align-items: flex-start;
        background-color: var(--page-kufungamedownload__dark-bg);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        border: 1px solid var(--page-kufungamedownload__border-color);
        box-sizing: border-box; /* Required for list items */
    }

    .page-kufungamedownload__step-number {
        font-size: 2.5em;
        font-weight: bold;
        color: var(--page-kufungamedownload__primary-color);
        margin-right: 20px;
        flex-shrink: 0;
        line-height: 1;
    }

    .page-kufungamedownload__step-content {
        flex-grow: 1;
    }

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

    .page-kufungamedownload__step-description {
        font-size: 1em;
        color: #cccccc;
    }

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

    .page-kufungamedownload__faq-item {
        background-color: var(--page-kufungamedownload__dark-bg);
        margin-bottom: 15px;
        border-radius: 10px;
        overflow: hidden;
        border: 1px solid var(--page-kufungamedownload__border-color);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        box-sizing: border-box; /* Required for list items */
    }

    .page-kufungamedownload__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        cursor: pointer;
        user-select: none;
        background-color: var(--page-kufungamedownload__card-bg);
        border-bottom: 1px solid var(--page-kufungamedownload__border-color);
        transition: background-color 0.3s ease;
    }

    .page-kufungamedownload__faq-question:hover {
        background-color: #3a3a5a;
    }

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

    .page-kufungamedownload__faq-toggle {
        font-size: 1.8em;
        color: var(--page-kufungamedownload__primary-color);
        font-weight: bold;
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-kufungamedownload__faq-item.active .page-kufungamedownload__faq-toggle {
        transform: rotate(45deg); /* Visually represent '-' */
    }

    .page-kufungamedownload__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: #cccccc;
        font-size: 1em;
    }

    .page-kufungamedownload__faq-item.active .page-kufungamedownload__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px 25px !important;
        opacity: 1;
    }
    
    /* Responsive Design */
    @media (max-width: 768px) {
        .page-kufungamedownload__container {
            padding: 15px;
        }

        .page-kufungamedownload__section {
            padding: 30px 15px;
        }

        .page-kufungamedownload__hero-section {
            padding-top: 80px; /* Mobile padding-top for fixed header */
            padding-bottom: 60px;
        }

        .page-kufungamedownload__hero-title {
            font-size: 2.5em;
        }

        .page-kufungamedownload__hero-description {
            font-size: 1.1em;
        }

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

        .page-kufungamedownload__floating-button {
            bottom: 15px;
            right: 15px;
            padding: 10px 20px;
            font-size: 0.95em;
        }

        .page-kufungamedownload__title {
            font-size: 2em;
        }

        .page-kufungamedownload__subtitle {
            font-size: 1.5em;
        }

        .page-kufungamedownload__features-grid,
        .page-kufungamedownload__game-categories-grid {
            grid-template-columns: 1fr;
        }

        .page-kufungamedownload__step-item {
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .page-kufungamedownload__step-number {
            margin-right: 0;
            margin-bottom: 10px;
        }

        /* List item mobile responsiveness */
        .page-kufungamedownload__features-grid > .page-kufungamedownload__feature-card,
        .page-kufungamedownload__game-categories-grid > .page-kufungamedownload__game-card,
        .page-kufungamedownload__guide-steps > .page-kufungamedownload__step-item,
        .page-kufungamedownload__faq-list > .page-kufungamedownload__faq-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            padding-left: 15px !important; /* Adjust padding for smaller screens */
            padding-right: 15px !important; /* Adjust padding for smaller screens */
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
        }

        .page-kufungamedownload__game-card .page-kufungamedownload__game-content,
        .page-kufungamedownload__faq-question,
        .page-kufungamedownload__faq-answer {
            padding-left: 15px !important;
            padding-right: 15px !important;
        }

        .page-kufungamedownload__faq-answer p {
            word-break: break-word !important;
        }
    }

    @media (max-width: 480px) {
        .page-kufungamedownload__hero-title {
            font-size: 2em;
        }
        .page-kufungamedownload__hero-description {
            font-size: 1em;
        }
        .page-kufungamedownload__title {
            font-size: 1.8em;
        }
        .page-kufungamedownload__subtitle {
            font-size: 1.3em;
        }
        .page-kufungamedownload__floating-button {
            bottom: 10px;
            right: 10px;
            padding: 8px 15px;
            font-size: 0.9em;
        }
    }

    /* Images responsiveness */
    .page-kufungamedownload img {
        max-width: 100%;
        height: auto;
        display: block; /* Remove extra space below images */
    }

    .page-kufungamedownload__feature-icon,
    .page-kufungamedownload__game-image {
        max-width: 100%; /* Ensure images scale down */
        height: auto;
        box-sizing: border-box;
        overflow: hidden;
    }
    @media (max-width: 768px) {
        .page-kufungamedownload img {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }
        .page-kufungamedownload__feature-icon,
        .page-kufungamedownload__game-image {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }
    }