:root {
        --primary-color: #ffcc00; /* Vàng rực rỡ */
        --secondary-color: #007bff; /* Xanh dương đậm */
        --dark-bg: #1a1a1a; /* Nền tối */
        --light-text: #f0f0f0; /* Chữ sáng */
        --gray-text: #b0b0b0; /* Chữ xám */
        --border-color: #333;
        --accent-color: #ff4d4d; /* Đỏ nhấn */
    }

    body {
        font-family: 'Arial', sans-serif;
        line-height: 1.6;
        color: var(--light-text);
        background-color: var(--dark-bg);
        margin: 0;
        padding: 0;
    }

    .page-r-ng-h-1win {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        /* Fallback for header offset if body doesn't handle it */
        padding-top: var(--header-offset, 122px);
    }

    /* Hero Section */
    .page-r-ng-h-1win__hero-section {
        background-color: #222;
        padding: 60px 20px 40px;
        text-align: center;
        border-radius: 10px;
        margin-bottom: 40px;
        position: relative;
        overflow: hidden;
        /* Decorative top padding, assuming body handles main offset. */
        padding-top: 10px; 
    }

    .page-r-ng-h-1win__hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: url('[GALLERY:background:1920x1080:rồng hổ,casino,background]');
        background-size: cover;
        background-position: center;
        opacity: 0.2;
        z-index: 0;
    }

    .page-r-ng-h-1win__hero-content {
        position: relative;
        z-index: 1;
    }

    .page-r-ng-h-1win__hero-title {
        font-size: 3.2em;
        color: var(--primary-color);
        margin-bottom: 15px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-r-ng-h-1win__hero-subtitle {
        font-size: 1.5em;
        color: var(--light-text);
        margin-bottom: 30px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-r-ng-h-1win__cta-button {
        display: inline-block;
        background-color: var(--accent-color);
        color: #fff;
        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;
        border: none;
        cursor: pointer;
    }

    .page-r-ng-h-1win__cta-button:hover {
        background-color: #e63939;
        transform: translateY(-3px);
    }

    /* Section General */
    .page-r-ng-h-1win__section {
        background-color: #2a2a2a;
        padding: 40px;
        margin-bottom: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    }

    .page-r-ng-h-1win__section-title {
        font-size: 2.5em;
        color: var(--primary-color);
        text-align: center;
        margin-bottom: 30px;
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-r-ng-h-1win__section-subtitle {
        font-size: 1.8em;
        color: var(--secondary-color);
        margin-bottom: 20px;
        text-align: center;
    }

    .page-r-ng-h-1win__content-text {
        font-size: 1.1em;
        color: var(--gray-text);
        margin-bottom: 20px;
        line-height: 1.8;
    }

    .page-r-ng-h-1win__image-wrapper {
        text-align: center;
        margin: 30px 0;
        width: 100%; /* Ensure container takes full width */
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-r-ng-h-1win__image-wrapper img {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        display: block; /* Ensures image is centered with text-align: center on parent */
        margin-left: auto;
        margin-right: auto;
    }

    /* Feature List */
    .page-r-ng-h-1win__feature-list {
        list-style: none;
        padding: 0;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
        margin-top: 30px;
        width: 100%; /* Ensure container takes full width */
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-r-ng-h-1win__feature-item {
        background-color: #333;
        padding: 25px;
        border-radius: 8px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        border-left: 5px solid var(--primary-color);
        box-sizing: border-box; /* Crucial for responsiveness */
    }

    .page-r-ng-h-1win__feature-item-title {
        color: var(--primary-color);
        font-size: 1.4em;
        margin-bottom: 10px;
    }

    .page-r-ng-h-1win__feature-item-description {
        color: var(--gray-text);
        font-size: 1em;
    }

    /* How To Play Steps */
    .page-r-ng-h-1win__steps-list {
        list-style: none;
        padding: 0;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        width: 100%; /* Ensure container takes full width */
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-r-ng-h-1win__step-item {
        background-color: #333;
        padding: 30px;
        border-radius: 8px;
        text-align: center;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        position: relative;
        box-sizing: border-box; /* Crucial for responsiveness */
    }

    .page-r-ng-h-1win__step-number {
        background-color: var(--primary-color);
        color: var(--dark-bg);
        width: 50px;
        height: 50px;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 1.8em;
        font-weight: bold;
        margin: 0 auto 20px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    }

    .page-r-ng-h-1win__step-title {
        color: var(--primary-color);
        font-size: 1.5em;
        margin-bottom: 15px;
    }

    .page-r-ng-h-1win__step-description {
        color: var(--gray-text);
        font-size: 1em;
    }

    /* FAQ Section */
    .page-r-ng-h-1win__faq-section {
        background-color: #2a2a2a;
        padding: 40px;
        margin-bottom: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    }

    .page-r-ng-h-1win__faq-list {
        list-style: none;
        padding: 0;
        margin: 0;
        width: 100%; /* Ensure container takes full width */
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-r-ng-h-1win__faq-item {
        background-color: #333;
        margin-bottom: 15px;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        box-sizing: border-box; /* Crucial for responsiveness */
    }

    .page-r-ng-h-1win__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        background-color: #3a3a3a;
        color: var(--light-text);
        cursor: pointer;
        font-size: 1.2em;
        font-weight: bold;
        transition: background-color 0.3s ease;
        border-bottom: 1px solid var(--border-color);
    }

    .page-r-ng-h-1win__faq-question-title { /* Specific selector for h3 inside question */
        margin: 0;
        color: var(--primary-color);
        font-size: 1.2em;
        pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-r-ng-h-1win__faq-question:hover {
        background-color: #444;
    }

    .page-r-ng-h-1win__faq-toggle {
        font-size: 1.8em;
        line-height: 1;
        transition: transform 0.3s ease;
        color: var(--primary-color);
        pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-r-ng-h-1win__faq-item.active .page-r-ng-h-1win__faq-toggle {
        transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-r-ng-h-1win__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 25px;
        color: var(--gray-text);
        background-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;
        font-size: 1em;
    }

    .page-r-ng-h-1win__faq-item.active .page-r-ng-h-1win__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px 25px !important;
        opacity: 1;
    }

    .page-r-ng-h-1win__faq-answer p {
        margin: 0;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .page-r-ng-h-1win {
            padding: 15px;
            padding-top: var(--header-offset, 122px) !important; /* Ensure mobile padding-top */
        }

        .page-r-ng-h-1win__hero-section {
            padding: 40px 15px 30px;
            padding-top: 10px; /* Keep decorative padding small on mobile too */
        }

        .page-r-ng-h-1win__hero-title {
            font-size: 2.5em;
        }

        .page-r-ng-h-1win__hero-subtitle {
            font-size: 1.2em;
        }

        .page-r-ng-h-1win__cta-button {
            padding: 12px 25px;
            font-size: 1em;
        }

        .page-r-ng-h-1win__section {
            padding: 25px;
            margin-bottom: 20px;
        }

        .page-r-ng-h-1win__section-title {
            font-size: 2em;
            margin-bottom: 20px;
        }

        .page-r-ng-h-1win__section-subtitle {
            font-size: 1.5em;
        }

        .page-r-ng-h-1win__content-text {
            font-size: 1em;
        }

        /* List items responsive */
        .page-r-ng-h-1win__feature-list,
        .page-r-ng-h-1win__steps-list,
        .page-r-ng-h-1win__faq-list {
            grid-template-columns: 1fr;
            gap: 20px;
            padding: 0 !important; /* Reset padding for list containers */
            margin-left: 0 !important;
            margin-right: 0 !important;
        }

        .page-r-ng-h-1win__feature-item,
        .page-r-ng-h-1win__step-item,
        .page-r-ng-h-1win__faq-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            padding: 20px !important; /* Adjust padding for smaller screens */
        }

        .page-r-ng-h-1win__faq-question {
            font-size: 1.1em;
            padding: 15px 20px;
        }
        
        .page-r-ng-h-1win__faq-question-title {
            font-size: 1.1em;
        }

        .page-r-ng-h-1win__faq-answer {
            padding: 15px 20px;
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }
        .page-r-ng-h-1win__faq-item.active .page-r-ng-h-1win__faq-answer {
            padding: 15px 20px !important;
        }

        /* Ensure images are responsive */
        .page-r-ng-h-1win__image-wrapper img {
            max-width: 100% !important;
            height: auto !important;
        }
    }

    @media (max-width: 480px) {
        .page-r-ng-h-1win__hero-title {
            font-size: 2em;
        }
        .page-r-ng-h-1win__hero-subtitle {
            font-size: 1em;
        }
        .page-r-ng-h-1win__section-title {
            font-size: 1.8em;
        }
    }