/* Reset CSS cơ bản và thiết lập biến */
    :root {
        --page-zomclubapk-primary-color: #007bff; /* Blue */
        --page-zomclubapk-secondary-color: #6c757d; /* Grey */
        --page-zomclubapk-accent-color: #ffc107; /* Yellow */
        --page-zomclubapk-dark-bg: #1a1a2e; /* Dark Blue-Purple */
        --page-zomclubapk-light-text: #ffffff;
        --page-zomclubapk-dark-text: #333333;
        --page-zomclubapk-border-color: #4a4a6e;
        --page-zomclubapk-card-bg: #2a2a4a;
        --page-zomclubapk-button-hover: #0056b3;
        --page-zomclubapk-section-padding: 60px 20px;
        --page-zomclubapk-mobile-padding: 30px 15px;
    }

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

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

    /* Fixed Nav Spacing for Hero Section */
    .page-zomclubapk__hero-section {
        padding-top: 10px; /* Adjusted for fixed header */
        position: relative;
        text-align: center;
        color: var(--page-zomclubapk-light-text);
        background-color: var(--page-zomclubapk-dark-bg);
        overflow: hidden;
        min-height: 400px; /* Ensure sufficient height */
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .page-zomclubapk__hero-background {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: 1;
        opacity: 0.5;
    }

    .page-zomclubapk__hero-content {
        position: relative;
        z-index: 2;
        max-width: 800px;
        margin: 0 auto;
        padding: 20px;
        box-sizing: border-box;
    }

    .page-zomclubapk__hero-title {
        font-size: 2.8em;
        margin-bottom: 15px;
        color: var(--page-zomclubapk-accent-color);
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-zomclubapk__hero-subtitle {
        font-size: 1.3em;
        margin-bottom: 30px;
        color: var(--page-zomclubapk-light-text);
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-zomclubapk__download-button {
        display: inline-block;
        background-color: var(--page-zomclubapk-primary-color);
        color: var(--page-zomclubapk-light-text);
        padding: 15px 30px;
        border-radius: 50px;
        text-decoration: none;
        font-size: 1.2em;
        font-weight: bold;
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        cursor: pointer;
    }

    .page-zomclubapk__download-button:hover {
        background-color: var(--page-zomclubapk-button-hover);
        transform: translateY(-3px);
    }

    /* Floating Login/Promotion Button */
    .page-zomclubapk__floating-button {
        position: fixed;
        bottom: 20px;
        right: 20px;
        background-color: var(--page-zomclubapk-accent-color);
        color: var(--page-zomclubapk-dark-text);
        padding: 15px 25px;
        border-radius: 50px;
        text-decoration: none;
        font-size: 1.1em;
        font-weight: bold;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
        z-index: 1000;
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        line-height: 1.2;
    }

    .page-zomclubapk__floating-button:hover {
        background-color: #e0a800;
        transform: scale(1.05);
    }

    /* Section General Styles */
    .page-zomclubapk__section {
        padding: var(--page-zomclubapk-section-padding);
        text-align: center;
    }

    .page-zomclubapk__section:nth-of-type(even) {
        background-color: var(--page-zomclubapk-card-bg);
    }

    .page-zomclubapk__section-title {
        font-size: 2.2em;
        margin-bottom: 30px;
        color: var(--page-zomclubapk-accent-color);
        position: relative;
        display: inline-block;
    }

    .page-zomclubapk__section-title::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: -10px;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background-color: var(--page-zomclubapk-primary-color);
        border-radius: 2px;
    }

    .page-zomclubapk__section-description {
        font-size: 1.1em;
        margin-bottom: 40px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
        color: #ccc;
    }

    /* Image Styles */
    .page-zomclubapk__image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        margin-bottom: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-zomclubapk__image {
        max-width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
        border-radius: 8px;
    }

    /* Download Instructions */
    .page-zomclubapk__download-steps {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 30px;
        margin-top: 40px;
    }

    .page-zomclubapk__step-card {
        background-color: var(--page-zomclubapk-card-bg);
        border: 1px solid var(--page-zomclubapk-border-color);
        border-radius: 10px;
        padding: 30px;
        flex: 1;
        min-width: 280px;
        max-width: 350px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-align: left;
    }

    .page-zomclubapk__step-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }
    
    .page-zomclubapk__step-image {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        margin-bottom: 20px;
        min-width: 200px; /* Ensure images are not too small */
        min-height: 200px;
        display: block;
        margin-left: auto;
        margin-right: auto;
    }

    .page-zomclubapk__step-title {
        font-size: 1.5em;
        color: var(--page-zomclubapk-primary-color);
        margin-bottom: 15px;
    }

    .page-zomclubapk__step-description {
        font-size: 1em;
        color: #ddd;
    }

    /* Game Showcase */
    .page-zomclubapk__game-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .page-zomclubapk__game-card {
        background-color: var(--page-zomclubapk-card-bg);
        border: 1px solid var(--page-zomclubapk-border-color);
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        overflow: hidden;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-align: left;
    }

    .page-zomclubapk__game-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-zomclubapk__game-image {
        width: 100%;
        height: 200px;
        object-fit: cover;
        display: block;
        min-width: 200px;
        min-height: 200px;
    }

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

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

    .page-zomclubapk__game-description {
        font-size: 0.95em;
        color: #ccc;
    }

    /* Promotions */
    .page-zomclubapk__promotion-list {
        list-style: none;
        padding: 0;
        margin-top: 40px;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }

    .page-zomclubapk__promotion-item {
        background-color: var(--page-zomclubapk-card-bg);
        border: 1px solid var(--page-zomclubapk-border-color);
        border-radius: 10px;
        padding: 25px;
        flex: 1;
        min-width: 280px;
        max-width: 450px;
        text-align: left;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease;
        box-sizing: border-box; /* Crucial for list item responsive */
    }

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

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

    .page-zomclubapk__promotion-description {
        font-size: 1em;
        color: #ddd;
    }

    /* Why Choose Us */
    .page-zomclubapk__advantage-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
        margin-top: 40px;
    }

    .page-zomclubapk__advantage-item {
        background-color: var(--page-zomclubapk-card-bg);
        border: 1px solid var(--page-zomclubapk-border-color);
        border-radius: 10px;
        padding: 25px;
        text-align: center;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        transition: background-color 0.3s ease;
        box-sizing: border-box; /* Crucial for list item responsive */
    }

    .page-zomclubapk__advantage-item:hover {
        background-color: #3a3a5a;
    }
    
    .page-zomclubapk__advantage-image {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        margin-bottom: 15px;
        min-width: 200px; /* Ensure images are not too small */
        min-height: 200px;
        display: block;
        margin-left: auto;
        margin-right: auto;
    }

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

    .page-zomclubapk__advantage-description {
        font-size: 0.95em;
        color: #ccc;
    }

    /* FAQ Section */
    .page-zomclubapk__faq-section {
        text-align: left;
    }

    .page-zomclubapk__faq-list {
        margin-top: 40px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-zomclubapk__faq-item {
        background-color: var(--page-zomclubapk-card-bg);
        border: 1px solid var(--page-zomclubapk-border-color);
        border-radius: 8px;
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-zomclubapk__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        cursor: pointer;
        user-select: none;
        background-color: #3a3a5a;
        transition: background-color 0.3s ease;
    }

    .page-zomclubapk__faq-question:hover {
        background-color: #4a4a6e;
    }

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

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

    .page-zomclubapk__faq-item.active .page-zomclubapk__faq-toggle {
        transform: rotate(45deg); /* Changes + to x visually */
    }

    .page-zomclubapk__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 25px;
        color: #ddd;
        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: 0.95em;
        text-align: justify;
    }

    .page-zomclubapk__faq-item.active .page-zomclubapk__faq-answer {
        max-height: 2000px !important; /* Sufficiently large to contain content */
        padding: 20px 25px !important;
        opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .page-zomclubapk__container {
            padding: 0 15px;
        }

        .page-zomclubapk__hero-title {
            font-size: 2em;
        }

        .page-zomclubapk__hero-subtitle {
            font-size: 1em;
        }

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

        .page-zomclubapk__floating-button {
            bottom: 15px;
            right: 15px;
            padding: 12px 20px;
            font-size: 0.9em;
        }

        .page-zomclubapk__section {
            padding: var(--page-zomclubapk-mobile-padding);
        }

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

        .page-zomclubapk__download-steps,
        .page-zomclubapk__game-grid,
        .page-zomclubapk__advantage-list {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .page-zomclubapk__step-card,
        .page-zomclubapk__game-card,
        .page-zomclubapk__promotion-item,
        .page-zomclubapk__advantage-item {
            max-width: 100%;
            width: 100% !important; /* For list item responsive */
            box-sizing: border-box !important; /* For list item responsive */
            margin-left: 0 !important; /* For list item responsive */
            margin-right: 0 !important; /* For list item responsive */
            padding: 20px !important; /* Adjust padding for mobile */
            word-wrap: break-word !important; /* Ensure text wraps */
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-zomclubapk__promotion-list {
            padding: 0 !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
        }

        .page-zomclubapk__game-image,
        .page-zomclubapk__step-image,
        .page-zomclubapk__advantage-image {
            max-width: 100% !important;
            height: auto !important;
            min-width: 200px;
            min-height: 200px;
        }

        .page-zomclubapk__faq-question {
            padding: 15px 20px;
        }

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

        .page-zomclubapk__faq-answer {
            padding: 15px 20px;
        }
    }
    /* Even smaller screens */
    @media (max-width: 480px) {
        .page-zomclubapk__hero-title {
            font-size: 1.8em;
        }
        .page-zomclubapk__hero-subtitle {
            font-size: 0.9em;
        }
        .page-zomclubapk__download-button {
            padding: 10px 20px;
            font-size: 0.9em;
        }
        .page-zomclubapk__floating-button {
            padding: 10px 15px;
            font-size: 0.8em;
            bottom: 10px;
            right: 10px;
        }
        .page-zomclubapk__section-title {
            font-size: 1.6em;
        }
        .page-zomclubapk__step-card,
        .page-zomclubapk__game-card,
        .page-zomclubapk__promotion-item,
        .page-zomclubapk__advantage-item {
            padding: 15px !important; /* Further reduce padding for very small screens */
        }
    }