:root {
        --page-nohu777-primary-color: #e03a3a; /* Đỏ rực */
        --page-nohu777-secondary-color: #ffcc00; /* Vàng đậm */
        --page-nohu777-dark-bg: #1a1a1a; /* Nền tối */
        --page-nohu777-light-text: #ffffff; /* Chữ trắng */
        --page-nohu777-gray-text: #cccccc; /* Chữ xám */
        --page-nohu777-card-bg: #2a2a2a; /* Nền thẻ */
        --page-nohu777-border-color: #3a3a3a; /* Màu viền */
        --page-nohu777-hover-color: #ffef99; /* Màu hover */
    }

    /* Base styles for the page content */
    .page-nohu777 {
        font-family: 'Arial', sans-serif;
        color: var(--page-nohu777-light-text);
        background-color: var(--page-nohu777-dark-bg);
        line-height: 1.6;
        overflow-x: hidden;
        margin: 0;
        padding: 0;
    }

    .page-nohu777__container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        box-sizing: border-box;
    }

    .page-nohu777__section {
        padding: 40px 0;
        text-align: center;
    }

    .page-nohu777__section-title {
        font-size: 2.5em;
        color: var(--page-nohu777-secondary-color);
        margin-bottom: 20px;
        text-transform: uppercase;
        font-weight: bold;
        position: relative;
        padding-bottom: 10px;
    }

    .page-nohu777__section-title::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background-color: var(--page-nohu777-primary-color);
        border-radius: 2px;
    }

    .page-nohu777__text-content {
        font-size: 1.1em;
        margin-bottom: 30px;
        color: var(--page-nohu777-gray-text);
    }

    .page-nohu777__button {
        display: inline-block;
        background-color: var(--page-nohu777-primary-color);
        color: var(--page-nohu777-light-text);
        padding: 12px 25px;
        border-radius: 30px;
        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-nohu777__button:hover {
        background-color: #ff6666; /* Màu đỏ nhạt hơn */
        transform: translateY(-2px);
    }

    /* Hero Section */
    .page-nohu777__hero-section {
        position: relative;
        width: 100%;
        height: 60vh; /* Adjust height for mobile first */
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        overflow: hidden;
        padding-top: 10px; /* For fixed header */
        box-sizing: border-box;
    }

    .page-nohu777__hero-background {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: 1;
        filter: brightness(0.6); /* Darken background for text readability */
    }

    .page-nohu777__hero-content {
        position: relative;
        z-index: 2;
        max-width: 90%;
        padding: 20px;
        background-color: rgba(0, 0, 0, 0.5);
        border-radius: 10px;
    }

    .page-nohu777__hero-title {
        font-size: 2.8em;
        color: var(--page-nohu777-secondary-color);
        margin-bottom: 15px;
        line-height: 1.2;
    }

    .page-nohu777__hero-subtitle {
        font-size: 1.3em;
        color: var(--page-nohu777-light-text);
        margin-bottom: 25px;
    }

    /* Floating Login Button */
    .page-nohu777__floating-button {
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 1000;
        background-color: var(--page-nohu777-primary-color);
        color: var(--page-nohu777-light-text);
        padding: 12px 20px;
        border-radius: 30px;
        font-weight: bold;
        font-size: 1em;
        text-decoration: none;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        transition: background-color 0.3s ease, transform 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        min-width: 180px;
    }

    .page-nohu777__floating-button:hover {
        background-color: #ff6666;
        transform: translateY(-3px);
    }

    /* Game Categories */
    .page-nohu777__game-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
        padding: 20px;
    }

    .page-nohu777__game-item {
        background-color: var(--page-nohu777-card-bg);
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-align: center;
        padding-bottom: 15px;
    }

    .page-nohu777__game-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-nohu777__game-image-container {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }
    .page-nohu777__game-image {
        width: 100%;
        height: 150px; /* Fixed height for consistency */
        object-fit: cover;
        border-bottom: 3px solid var(--page-nohu777-primary-color);
        max-width: 100%; /* Ensure responsive */
        height: auto; /* Ensure aspect ratio */
        display: block; /* Remove extra space below image */
    }


    .page-nohu777__game-name {
        font-size: 1.2em;
        color: var(--page-nohu777-secondary-color);
        margin-top: 15px;
        padding: 0 10px;
        font-weight: bold;
    }

    /* Promotion Section */
    .page-nohu777__promotion-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 20px;
    }

    .page-nohu777__promotion-card {
        background-color: var(--page-nohu777-card-bg);
        border-radius: 15px;
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
        overflow: hidden;
        text-align: left;
        display: flex;
        flex-direction: column;
    }

    .page-nohu777__promo-image-container {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }
    .page-nohu777__promo-image {
        width: 100%;
        height: 250px;
        object-fit: cover;
        max-width: 100%; /* Ensure responsive */
        height: auto; /* Ensure aspect ratio */
        display: block;
    }

    .page-nohu777__promo-content {
        padding: 20px;
    }

    .page-nohu777__promo-title {
        font-size: 1.8em;
        color: var(--page-nohu777-primary-color);
        margin-bottom: 10px;
    }

    .page-nohu777__promo-description {
        color: var(--page-nohu777-gray-text);
        margin-bottom: 20px;
    }

    /* Download Guide */
    .page-nohu777__download-steps {
        display: flex;
        flex-direction: column;
        gap: 25px;
        padding: 20px;
    }

    .page-nohu777__step-item {
        background-color: var(--page-nohu777-card-bg);
        border-radius: 10px;
        padding: 25px;
        display: flex;
        align-items: center;
        gap: 20px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        text-align: left;
    }

    .page-nohu777__step-icon-container {
        flex-shrink: 0;
        width: 80px;
        height: 80px;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: var(--page-nohu777-primary-color);
        border-radius: 50%;
        font-size: 2em;
        color: var(--page-nohu777-light-text);
        font-weight: bold;
    }

    .page-nohu777__step-text h3 {
        color: var(--page-nohu777-secondary-color);
        margin-top: 0;
        margin-bottom: 5px;
        font-size: 1.4em;
    }

    .page-nohu777__step-text p {
        color: var(--page-nohu777-gray-text);
        margin: 0;
    }

    /* FAQ Section */
    .page-nohu777__faq-section {
        background-color: #111;
        padding: 40px 0;
    }

    .page-nohu777__faq-list {
        max-width: 800px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .page-nohu777__faq-item {
        background-color: var(--page-nohu777-card-bg);
        border-radius: 10px;
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-nohu777__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
        cursor: pointer;
        background-color: #333;
        color: var(--page-nohu777-light-text);
        font-size: 1.2em;
        font-weight: bold;
        transition: background-color 0.3s ease;
    }

    .page-nohu777__faq-question:hover {
        background-color: #444;
    }

    .page-nohu777__faq-question h3 {
        margin: 0;
        color: var(--page-nohu777-secondary-color);
        font-size: 1.2em;
        pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-nohu777__faq-toggle {
        font-size: 1.5em;
        font-weight: bold;
        color: var(--page-nohu777-primary-color);
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-nohu777__faq-item.active .page-nohu777__faq-toggle {
        transform: rotate(45deg); /* Change '+' to 'x' or '-' */
    }

    .page-nohu777__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 20px; /* Initial padding */
        color: var(--page-nohu777-gray-text);
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        opacity: 0;
        text-align: left;
    }

    .page-nohu777__faq-item.active .page-nohu777__faq-answer {
        max-height: 2000px !important; /* Sufficiently large to show content */
        padding: 20px !important; /* Final padding */
        opacity: 1;
    }

    /* Why Choose Us Section */
    .page-nohu777__why-choose-us-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 20px;
    }

    .page-nohu777__advantage-card {
        background-color: var(--page-nohu777-card-bg);
        border-radius: 10px;
        padding: 25px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        text-align: center;
    }

    .page-nohu777__advantage-icon-container {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }
    .page-nohu777__advantage-icon {
        width: 100px;
        height: 100px;
        margin-bottom: 15px;
        object-fit: contain;
        max-width: 100%; /* Ensure responsive */
        height: auto; /* Ensure aspect ratio */
        display: block;
        margin-left: auto;
        margin-right: auto;
    }

    .page-nohu777__advantage-title {
        color: var(--page-nohu777-primary-color);
        font-size: 1.5em;
        margin-bottom: 10px;
    }

    .page-nohu777__advantage-description {
        color: var(--page-nohu777-gray-text);
    }

    /* CTA Section */
    .page-nohu777__cta-section {
        background-color: var(--page-nohu777-primary-color);
        padding: 50px 20px;
    }

    .page-nohu777__cta-title {
        color: var(--page-nohu777-light-text);
        font-size: 2.2em;
        margin-bottom: 20px;
    }

    .page-nohu777__cta-description {
        color: var(--page-nohu777-light-text);
        font-size: 1.2em;
        margin-bottom: 30px;
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
        .page-nohu777__hero-section {
            height: 70vh;
            padding-top: 10px; /* For fixed header */
        }
        .page-nohu777__hero-title {
            font-size: 3.8em;
        }
        .page-nohu777__hero-subtitle {
            font-size: 1.5em;
        }
        .page-nohu777__game-grid {
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        }
        .page-nohu777__promotion-grid {
            grid-template-columns: 1fr 1fr;
        }
        .page-nohu777__download-steps {
            flex-direction: row;
            flex-wrap: wrap;
            justify-content: center;
        }
        .page-nohu777__step-item {
            flex: 1 1 calc(50% - 40px); /* Two items per row with gap */
            max-width: calc(50% - 40px);
            margin: 10px;
        }
        .page-nohu777__why-choose-us-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .page-nohu777__floating-button {
            padding: 15px 30px;
            font-size: 1.1em;
            bottom: 30px;
            right: 30px;
        }
    }

    @media (min-width: 1024px) {
        .page-nohu777__hero-section {
            height: 80vh;
        }
        .page-nohu777__hero-title {
            font-size: 4.5em;
        }
        .page-nohu777__hero-subtitle {
            font-size: 1.8em;
        }
        .page-nohu777__game-grid {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
        .page-nohu777__download-steps {
            flex-wrap: nowrap; /* Single row on larger screens */
        }
        .page-nohu777__step-item {
            flex: 1;
            max-width: none;
        }
    }

    /* Image responsive optimization for mobile */
    @media (max-width: 768px) {
        .page-nohu777__hero-section {
            padding-top: 10px !important; /* Ensure header offset on mobile */
        }
        .page-nohu777__hero-title {
            font-size: 2em !important;
        }
        .page-nohu777__hero-subtitle {
            font-size: 1em !important;
        }
        .page-nohu777__section-title {
            font-size: 2em !important;
        }
        .page-nohu777__text-content {
            font-size: 1em !important;
        }
        .page-nohu777__button {
            padding: 10px 20px !important;
            font-size: 1em !important;
        }
        .page-nohu777__floating-button {
            padding: 10px 15px !important;
            font-size: 0.9em !important;
            bottom: 15px !important;
            right: 15px !important;
            min-width: 150px !important;
        }
        .page-nohu777__game-grid {
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)) !important;
            gap: 15px !important;
        }
        .page-nohu777__game-image {
            height: 120px !important;
        }
        .page-nohu777__game-name {
            font-size: 1em !important;
        }
        .page-nohu777__promotion-grid {
            grid-template-columns: 1fr !important;
        }
        .page-nohu777__promo-image {
            height: 200px !important;
        }
        .page-nohu777__promo-title {
            font-size: 1.5em !important;
        }
        .page-nohu777__promo-description {
            font-size: 0.9em !important;
        }
        .page-nohu777__step-item {
            flex-direction: column !important;
            text-align: center !important;
            padding: 20px !important;
        }
        .page-nohu777__step-icon-container {
            width: 70px !important;
            height: 70px !important;
            margin-bottom: 10px !important;
        }
        .page-nohu777__step-text h3 {
            font-size: 1.2em !important;
        }
        .page-nohu777__step-text p {
            font-size: 0.9em !important;
        }
        .page-nohu777__advantage-icon {
            width: 80px !important;
            height: 80px !important;
        }
        .page-nohu777__advantage-title {
            font-size: 1.3em !important;
        }
        .page-nohu777__advantage-description {
            font-size: 0.9em !important;
        }
        .page-nohu777__cta-title {
            font-size: 1.8em !important;
        }
        .page-nohu777__cta-description {
            font-size: 1em !important;
        }
        .page-nohu777__faq-question {
            font-size: 1em !important;
            padding: 12px 15px !important;
        }
        .page-nohu777__faq-question h3 {
            font-size: 1em !important;
        }
        .page-nohu777__faq-toggle {
            font-size: 1.2em !important;
        }
        .page-nohu777__faq-answer {
            padding: 15px !important;
            font-size: 0.9em !important;
        }
        .page-nohu777__faq-item.active .page-nohu777__faq-answer {
            padding: 15px !important;
        }
        /* All images must be responsive */
        .page-nohu777 img {
            max-width: 100% !important;
            height: auto !important;
        }
        .page-nohu777__game-image-container,
        .page-nohu777__promo-image-container,
        .page-nohu777__advantage-icon-container {
            width: 100% !important;
            max-width: 100% !important;
            overflow: hidden !important;
            box-sizing: border-box !important;
        }
    }