/* CSS Styles for RR99 page */
    :root {
        --page-rr99-primary-color: #e44d26; /* Cam đỏ */
        --page-rr99-secondary-color: #ff8c00; /* Cam đậm */
        --page-rr99-text-color: #333;
        --page-rr99-light-text-color: #f8f8f8;
        --page-rr99-background-color: #f0f2f5;
        --page-rr99-dark-background: #1a1a1a;
        --page-rr99-card-background: #ffffff;
        --page-rr99-border-color: #ddd;
        --page-rr99-success-color: #28a745;
        --page-rr99-warning-color: #ffc107;
        --page-rr99-info-color: #17a2b8;
    }

    .page-rr99 {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        line-height: 1.6;
        color: var(--page-rr99-text-color);
        background-color: var(--page-rr99-background-color);
        padding-bottom: 80px; /* Space for the floating button */
    }

    /* Hero Section */
    .page-rr99__hero-section {
        position: relative;
        text-align: center;
        color: var(--page-rr99-light-text-color);
        padding: 10px 20px 60px; /* Added padding-top for fixed header */
        background: linear-gradient(135deg, var(--page-rr99-primary-color) 0%, var(--page-rr99-secondary-color) 100%);
        overflow: hidden;
    }

    .page-rr99__hero-image {
        width: 100%;
        max-width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
        border-radius: 10px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
        object-fit: cover;
        min-height: 200px; /* Ensure minimum size */
    }

    .page-rr99__hero-content {
        position: relative;
        z-index: 2;
        max-width: 900px;
        margin: 20px auto 0;
        padding: 20px;
        background: rgba(0, 0, 0, 0.6);
        border-radius: 10px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    .page-rr99__hero-title {
        font-size: 2.5em;
        margin-bottom: 15px;
        color: #fff;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-rr99__hero-description {
        font-size: 1.1em;
        margin-bottom: 25px;
        color: #e0e0e0;
    }

    .page-rr99__cta-button {
        display: inline-block;
        background-color: var(--page-rr99-success-color);
        color: white;
        padding: 15px 30px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.1em;
        transition: background-color 0.3s ease, transform 0.2s ease;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-rr99__cta-button:hover {
        background-color: #218838;
        transform: translateY(-2px);
    }

    /* Section Styling */
    .page-rr99__section {
        padding: 40px 20px;
        margin: 0 auto;
        max-width: 1200px;
    }

    .page-rr99__section--light {
        background-color: var(--page-rr99-card-background);
        border-radius: 10px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
        margin-bottom: 30px;
    }

    .page-rr99__section-title {
        font-size: 2em;
        color: var(--page-rr99-primary-color);
        text-align: center;
        margin-bottom: 30px;
        position: relative;
        padding-bottom: 10px;
    }

    .page-rr99__section-title::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 60px;
        height: 4px;
        background-color: var(--page-rr99-secondary-color);
        border-radius: 2px;
    }

    /* Intro Section */
    .page-rr99__intro-content {
        text-align: center;
        font-size: 1.1em;
        margin-bottom: 30px;
    }

    /* Game Categories */
    .page-rr99__game-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-rr99__game-card {
        background-color: var(--page-rr99-card-background);
        border-radius: 10px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        overflow: hidden;
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .page-rr99__game-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-rr99__game-image {
        width: 100%;
        max-width: 100%;
        height: 200px; /* Fixed height for consistency */
        object-fit: cover;
        display: block;
        min-height: 200px; /* Ensure minimum size */
    }

    .page-rr99__game-card-content {
        padding: 20px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .page-rr99__game-card-title {
        font-size: 1.5em;
        color: var(--page-rr99-primary-color);
        margin-bottom: 10px;
    }

    .page-rr99__game-card-description {
        font-size: 0.95em;
        color: #555;
        margin-bottom: 15px;
        flex-grow: 1;
    }

    .page-rr99__game-card-button {
        display: block;
        background-color: var(--page-rr99-primary-color);
        color: white;
        padding: 10px 20px;
        border-radius: 5px;
        text-decoration: none;
        font-weight: bold;
        transition: background-color 0.3s ease;
        margin-top: auto; /* Push button to bottom */
    }

    .page-rr99__game-card-button:hover {
        background-color: var(--page-rr99-secondary-color);
    }

    /* How To Section */
    .page-rr99__steps-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 30px;
    }

    .page-rr99__step-item {
        background-color: var(--page-rr99-card-background);
        border-radius: 10px;
        padding: 25px;
        text-align: center;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        border: 1px solid var(--page-rr99-border-color);
        transition: transform 0.3s ease;
    }

    .page-rr99__step-item:hover {
        transform: translateY(-5px);
    }

    .page-rr99__step-icon {
        font-size: 3em;
        color: var(--page-rr99-primary-color);
        margin-bottom: 15px;
    }

    .page-rr99__step-title {
        font-size: 1.3em;
        color: var(--page-rr99-secondary-color);
        margin-bottom: 10px;
    }

    .page-rr99__step-description {
        font-size: 0.95em;
        color: #666;
    }

    /* Floating Login Button */
    .page-rr99__floating-button {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        background: linear-gradient(90deg, #ff416c 0%, #ff4b2b 100%); /* Attractive gradient */
        color: white;
        padding: 15px 30px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.2em;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
        z-index: 1000;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        white-space: nowrap; /* Prevent text wrapping */
        animation: pulse 2s infinite; /* Animation for attention */
    }

    .page-rr99__floating-button:hover {
        transform: translateX(-50%) scale(1.05);
        box-shadow: 0 12px 20px rgba(0, 0, 0, 0.4);
    }

    @keyframes pulse {
        0% { transform: translateX(-50%) scale(1); }
        50% { transform: translateX(-50%) scale(1.03); }
        100% { transform: translateX(-50%) scale(1); }
    }

    /* FAQ Section */
    .page-rr99__faq-section {
        background-color: var(--page-rr99-card-background);
        border-radius: 10px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
        margin-bottom: 30px;
    }

    .page-rr99__faq-item {
        border-bottom: 1px solid var(--page-rr99-border-color);
        padding: 15px 0;
    }

    .page-rr99__faq-item:last-child {
        border-bottom: none;
    }

    .page-rr99__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        user-select: none;
        padding: 0 15px;
        transition: background-color 0.3s ease;
    }

    .page-rr99__faq-question:hover {
        background-color: #f9f9f9;
    }

    .page-rr99__faq-question h3 {
        margin: 0;
        font-size: 1.2em;
        color: var(--page-rr99-text-color);
        pointer-events: none; /* Prevent text from blocking click */
        flex-grow: 1;
        text-align: left;
    }

    .page-rr99__faq-toggle {
        font-size: 1.8em;
        font-weight: bold;
        color: var(--page-rr99-primary-color);
        margin-left: 15px;
        pointer-events: none; /* Prevent icon from blocking click */
        transition: transform 0.3s ease;
    }

    .page-rr99__faq-item.active .page-rr99__faq-toggle {
        transform: rotate(45deg);
        color: var(--page-rr99-secondary-color);
    }

    .page-rr99__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 15px;
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        color: #666;
        font-size: 0.95em;
    }

    .page-rr99__faq-item.active .page-rr99__faq-answer {
        max-height: 2000px !important; /* Sufficiently large to contain content */
        padding: 20px 15px !important;
        opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .page-rr99__hero-title {
            font-size: 2em;
        }

        .page-rr99__hero-description {
            font-size: 1em;
        }

        .page-rr99__cta-button {
            padding: 12px 25px;
            font-size: 1em;
        }

        .page-rr99__section {
            padding: 30px 15px;
        }

        .page-rr99__section-title {
            font-size: 1.8em;
        }

        .page-rr99__game-grid {
            grid-template-columns: 1fr;
        }

        .page-rr99__game-image {
            height: 180px;
        }

        .page-rr99__steps-grid {
            grid-template-columns: 1fr;
        }

        .page-rr99__faq-question h3 {
            font-size: 1.1em;
        }

        .page-rr99__faq-answer {
            font-size: 0.9em;
        }

        /* Mobile specific for list items, as per instructions */
        .page-rr99__game-grid > div,
        .page-rr99__steps-grid > div {
            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-rr99__game-card-description,
        .page-rr99__step-description,
        .page-rr99__faq-answer {
            word-break: break-word !important;
        }

        /* Images responsive */
        .page-rr99__hero-image,
        .page-rr99__game-image {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
            overflow: hidden !important;
        }

        /* Ensure containers for images are also responsive */
        .page-rr99__hero-section .page-rr99__hero-image-container,
        .page-rr99__game-card .page-rr99__game-image-container {
            width: 100% !important;
            max-width: 100% !important;
            overflow: hidden !important;
            box-sizing: border-box !important;
        }

        .page-rr99__floating-button {
            width: calc(100% - 40px); /* Adjust width for mobile padding */
            font-size: 1em;
            padding: 12px 20px;
            bottom: 15px;
        }
    }

    @media (max-width: 480px) {
        .page-rr99__hero-title {
            font-size: 1.8em;
        }
        .page-rr99__hero-content {
            padding: 15px;
        }
        .page-rr99__section-title {
            font-size: 1.6em;
        }
        .page-rr99__floating-button {
            font-size: 0.9em;
            padding: 10px 15px;
        }
    }