/* CSS for page-lien-minh-abc */
    .page-lien-minh-abc {
        font-family: 'Arial', sans-serif;
        color: #e0e0e0; /* Light text */
        background-color: #1a1a2e; /* Dark background */
        line-height: 1.6;
    }

    .page-lien-minh-abc__container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px 15px;
        box-sizing: border-box;
    }

    .page-lien-minh-abc__highlight {
        color: #ffc107; /* Accent color */
    }

    .page-lien-minh-abc__section-title {
        font-size: 2.5em;
        text-align: center;
        margin-bottom: 20px;
        color: #e0e0e0;
        font-weight: bold;
    }

    .page-lien-minh-abc__section-description {
        font-size: 1.1em;
        text-align: center;
        max-width: 800px;
        margin: 0 auto 40px auto;
        color: #b0b0b0;
    }

    /* Hero Section */
    .page-lien-minh-abc__hero-section {
        position: relative;
        width: 100%;
        height: 60vh; /* Responsive height */
        min-height: 400px;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        text-align: center;
        padding-top: 10px; /* Small padding for fixed header */
        box-sizing: border-box;
    }

    .page-lien-minh-abc__hero-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: 1;
    }

    .page-lien-minh-abc__hero-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.7);
        z-index: 2;
    }

    .page-lien-minh-abc__hero-content {
        position: relative;
        z-index: 3;
        padding: 20px;
        max-width: 900px;
    }

    .page-lien-minh-abc__hero-title {
        font-size: 3.5em;
        margin-bottom: 15px;
        color: #fff;
        line-height: 1.2;
    }

    .page-lien-minh-abc__hero-subtitle {
        font-size: 1.5em;
        color: #ffc107;
        margin-bottom: 30px;
    }

    .page-lien-minh-abc__hero-button {
        background-color: #ffc107;
        color: #1a1a2e;
        padding: 15px 30px;
        border: none;
        border-radius: 5px;
        font-size: 1.1em;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.2s ease;
        font-weight: bold;
    }

    .page-lien-minh-abc__hero-button:hover {
        background-color: #e0a800;
        transform: translateY(-2px);
    }

    /* Intro Section */
    .page-lien-minh-abc__intro-section {
        padding: 60px 0;
        background-color: #2a2a4a;
    }

    .page-lien-minh-abc__intro-features {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .page-lien-minh-abc__feature-item {
        background-color: #1a1a2e;
        padding: 30px;
        border-radius: 10px;
        text-align: center;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease;
        box-sizing: border-box;
    }

    .page-lien-minh-abc__feature-item:hover {
        transform: translateY(-10px);
    }

    .page-lien-minh-abc__feature-icon {
        width: 100px;
        height: 100px;
        max-width: 100%;
        height: auto;
        margin-bottom: 20px;
        object-fit: contain;
    }

    .page-lien-minh-abc__feature-title {
        font-size: 1.5em;
        color: #ffc107;
        margin-bottom: 10px;
    }

    .page-lien-minh-abc__feature-text {
        color: #b0b0b0;
    }

    /* Featured Games Section */
    .page-lien-minh-abc__featured-games {
        padding: 60px 0;
        background-color: #1a1a2e;
    }

    .page-lien-minh-abc__game-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .page-lien-minh-abc__game-card {
        background-color: #2a2a4a;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        text-align: center;
        transition: transform 0.3s ease;
        box-sizing: border-box;
    }

    .page-lien-minh-abc__game-card:hover {
        transform: translateY(-10px);
    }

    .page-lien-minh-abc__game-image {
        width: 100%;
        height: 200px;
        max-width: 100%;
        height: auto;
        object-fit: cover;
        display: block;
    }

    .page-lien-minh-abc__game-title {
        font-size: 1.4em;
        color: #ffc107;
        margin: 20px 15px 10px 15px;
    }

    .page-lien-minh-abc__game-text {
        color: #b0b0b0;
        padding: 0 15px 20px 15px;
    }

    /* Promotions Section */
    .page-lien-minh-abc__promotions-section {
        padding: 60px 0;
        background-color: #2a2a4a;
    }

    .page-lien-minh-abc__promo-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .page-lien-minh-abc__promo-card {
        background-color: #1a1a2e;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        text-align: center;
        transition: transform 0.3s ease;
        box-sizing: border-box;
    }

    .page-lien-minh-abc__promo-card:hover {
        transform: translateY(-10px);
    }

    .page-lien-minh-abc__promo-image {
        width: 100%;
        height: 220px;
        max-width: 100%;
        height: auto;
        object-fit: cover;
        display: block;
    }

    .page-lien-minh-abc__promo-title {
        font-size: 1.4em;
        color: #ffc107;
        margin: 20px 15px 10px 15px;
    }

    .page-lien-minh-abc__promo-text {
        color: #b0b0b0;
        padding: 0 15px 15px 15px;
    }

    .page-lien-minh-abc__promo-link {
        display: inline-block;
        background-color: #ffc107;
        color: #1a1a2e;
        padding: 10px 20px;
        border-radius: 5px;
        text-decoration: none;
        font-weight: bold;
        margin-bottom: 20px;
        transition: background-color 0.3s ease;
    }

    .page-lien-minh-abc__promo-link:hover {
        background-color: #e0a800;
    }

    /* Registration Guide Section */
    .page-lien-minh-abc__registration-guide {
        padding: 60px 0;
        background-color: #1a1a2e;
    }

    .page-lien-minh-abc__guide-steps {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .page-lien-minh-abc__guide-step {
        background-color: #2a2a4a;
        padding: 30px;
        border-radius: 10px;
        text-align: center;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        box-sizing: border-box;
    }

    .page-lien-minh-abc__step-number {
        font-size: 2.5em;
        font-weight: bold;
        color: #ffc107;
        margin-bottom: 15px;
        background-color: rgba(255, 193, 7, 0.2);
        border-radius: 50%;
        width: 80px;
        height: 80px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 20px auto;
    }

    .page-lien-minh-abc__step-title {
        font-size: 1.5em;
        color: #e0e0e0;
        margin-bottom: 10px;
    }

    .page-lien-minh-abc__step-text {
        color: #b0b0b0;
    }

    /* FAQ Section */
    .page-lien-minh-abc__faq-section {
        padding: 60px 0;
        background-color: #2a2a4a;
    }

    .page-lien-minh-abc__faq-list {
        max-width: 900px;
        margin: 40px auto 0 auto;
    }

    .page-lien-minh-abc__faq-item {
        background-color: #1a1a2e;
        border-radius: 8px;
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-lien-minh-abc__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        cursor: pointer;
        background-color: #3a3a5a;
        color: #e0e0e0;
        font-size: 1.2em;
        font-weight: bold;
        user-select: none;
        transition: background-color 0.3s ease;
    }

    .page-lien-minh-abc__faq-question:hover {
        background-color: #4a4a6a;
    }

    .page-lien-minh-abc__faq-question h3 {
        margin: 0;
        flex-grow: 1;
        pointer-events: none; /* Prevent h3 from blocking click event */
        color: #ffc107;
    }

    .page-lien-minh-abc__faq-toggle {
        font-size: 1.5em;
        line-height: 1;
        margin-left: 15px;
        pointer-events: none; /* Prevent toggle from blocking click event */
        transition: transform 0.3s ease;
    }

    .page-lien-minh-abc__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: #b0b0b0;
    }

    .page-lien-minh-abc__faq-answer p {
        margin: 0 0 15px 0; /* Adjust margin for content */
    }

    .page-lien-minh-abc__faq-item.active .page-lien-minh-abc__faq-answer {
        max-height: 2000px !important; /* Sufficiently large value */
        padding: 20px 25px !important; /* Expanded padding */
        opacity: 1;
    }

    .page-lien-minh-abc__faq-item.active .page-lien-minh-abc__faq-toggle {
        transform: rotate(45deg); /* Change '+' to 'x' visually */
        color: #ffc107;
    }

    /* CTA Section */
    .page-lien-minh-abc__cta-section {
        padding: 60px 0;
        background-color: #1a1a2e;
        text-align: center;
    }

    .page-lien-minh-abc__cta-buttons {
        margin-top: 40px;
        display: flex;
        justify-content: center;
        gap: 20px;
    }

    .page-lien-minh-abc__cta-button {
        display: inline-block;
        padding: 15px 30px;
        border-radius: 5px;
        font-size: 1.2em;
        font-weight: bold;
        text-decoration: none;
        transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .page-lien-minh-abc__cta-button--primary {
        background-color: #ffc107;
        color: #1a1a2e;
        border: 2px solid #ffc107;
    }

    .page-lien-minh-abc__cta-button--primary:hover {
        background-color: #e0a800;
        transform: translateY(-2px);
    }

    .page-lien-minh-abc__cta-button--secondary {
        background-color: transparent;
        color: #ffc107;
        border: 2px solid #ffc107;
    }

    .page-lien-minh-abc__cta-button--secondary:hover {
        background-color: #ffc107;
        color: #1a1a2e;
        transform: translateY(-2px);
    }

    /* Floating Register/Login Buttons */
    .page-lien-minh-abc__floating-buttons {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        gap: 15px;
        z-index: 1000;
        width: 90%; /* Adjust width for mobile */
        max-width: 400px; /* Max width for larger screens */
        box-sizing: border-box;
    }

    .page-lien-minh-abc__register-button,
    .page-lien-minh-abc__login-button {
        flex: 1;
        padding: 15px 20px;
        border: none;
        border-radius: 50px; /* Pill shape */
        font-size: 1.1em;
        font-weight: bold;
        cursor: pointer;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .page-lien-minh-abc__register-button {
        background-color: #ffc107;
        color: #1a1a2e;
    }

    .page-lien-minh-abc__register-button:hover {
        background-color: #e0a800;
        transform: translateY(-2px);
    }

    .page-lien-minh-abc__login-button {
        background-color: #3a3a5a;
        color: #ffc107;
        border: 1px solid #ffc107;
    }

    .page-lien-minh-abc__login-button:hover {
        background-color: #ffc107;
        color: #1a1a2e;
        transform: translateY(-2px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
        .page-lien-minh-abc__hero-title {
            font-size: 2.5em;
        }

        .page-lien-minh-abc__hero-subtitle {
            font-size: 1.2em;
        }

        .page-lien-minh-abc__section-title {
            font-size: 2em;
        }

        .page-lien-minh-abc__section-description {
            font-size: 1em;
            margin-bottom: 30px;
        }

        .page-lien-minh-abc__intro-features,
        .page-lien-minh-abc__game-grid,
        .page-lien-minh-abc__promo-grid,
        .page-lien-minh-abc__guide-steps {
            grid-template-columns: 1fr; /* Stack columns on mobile */
            gap: 20px;
        }

        /* List item specific mobile responsiveness */
        .page-lien-minh-abc__feature-item,
        .page-lien-minh-abc__game-card,
        .page-lien-minh-abc__promo-card,
        .page-lien-minh-abc__guide-step {
            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-lien-minh-abc__feature-text,
        .page-lien-minh-abc__game-text,
        .page-lien-minh-abc__promo-text,
        .page-lien-minh-abc__step-text,
        .page-lien-minh-abc__faq-answer p {
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-lien-minh-abc__promo-image,
        .page-lien-minh-abc__game-image {
            max-width: 100% !important;
            height: auto !important;
        }

        .page-lien-minh-abc__faq-question {
            font-size: 1.1em;
            padding: 15px 20px;
        }

        .page-lien-minh-abc__faq-answer {
            padding: 0 20px;
        }

        .page-lien-minh-abc__faq-item.active .page-lien-minh-abc__faq-answer {
            padding: 15px 20px !important;
        }

        .page-lien-minh-abc__cta-buttons {
            flex-direction: column;
            gap: 15px;
        }

        .page-lien-minh-abc__cta-button {
            width: 100%;
        }

        .page-lien-minh-abc__floating-buttons {
            width: calc(100% - 30px); /* Account for page padding */
            padding: 0;
            bottom: 15px;
        }
    }

    @media (max-width: 480px) {
        .page-lien-minh-abc__hero-title {
            font-size: 2em;
        }
        .page-lien-minh-abc__hero-subtitle {
            font-size: 1em;
        }
        .page-lien-minh-abc__hero-button {
            padding: 12px 25px;
            font-size: 1em;
        }
        .page-lien-minh-abc__section-title {
            font-size: 1.8em;
        }
        .page-lien-minh-abc__container {
            padding: 15px 10px;
        }
        .page-lien-minh-abc__faq-question {
            padding: 12px 15px;
        }
        .page-lien-minh-abc__faq-answer {
            padding: 0 15px;
        }
        .page-lien-minh-abc__faq-item.active .page-lien-minh-abc__faq-answer {
            padding: 12px 15px !important;
        }
        .page-lien-minh-abc__floating-buttons {
            gap: 10px;
            width: calc(100% - 20px);
        }
        .page-lien-minh-abc__register-button,
        .page-lien-minh-abc__login-button {
            padding: 12px 15px;
            font-size: 1em;
        }
    }