.page-blog-khai-niem-sieukhung {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light background */
    background: #FFFFFF; /* Default background for the main content area */
}

.page-blog-khai-niem-sieukhung__hero-section {
    /* background-color: #f8f8f8; REMOVED as per "không đặt màu nền" rule */
    padding-top: 10px; /* Small top padding, assuming shared.css handles body padding */
    padding-bottom: 40px;
}

.page-blog-khai-niem-sieukhung__hero-container {
    max-width: 1170px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 40px 16px;
    gap: 24px;
}

.page-blog-khai-niem-sieukhung__hero-content {
    flex: 1 1 50%;
    min-width: 300px;
    color: #333333; /* Ensure contrast on light background */
}

.page-blog-khai-niem-sieukhung__main-title {
    font-size: clamp(2em, 4vw, 2.8em); /* Responsive font size for H1 */
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #26A9E0; /* Brand primary color for title */
}

.page-blog-khai-niem-sieukhung__intro-text {
    font-size: 1.1em;
    margin-bottom: 30px;
}

.page-blog-khai-niem-sieukhung__cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
    margin-top: 20px;
}

.page-blog-khai-niem-sieukhung__cta-buttons--center {
    justify-content: center;
}

.page-blog-khai-niem-sieukhung__btn-primary,
.page-blog-khai-niem-sieukhung__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    text-align: center;
    box-sizing: border-box; /* Crucial for responsive buttons */
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word; /* Break long words */
}

.page-blog-khai-niem-sieukhung__btn-primary {
    background-color: #26A9E0;
    color: #FFFFFF;
    border: 2px solid #26A9E0;
}

.page-blog-khai-niem-sieukhung__btn-primary:hover {
    background-color: #1e87b8;
    border-color: #1e87b8;
}

.page-blog-khai-niem-sieukhung__btn-secondary {
    background-color: #FFFFFF;
    color: #26A9E0;
    border: 2px solid #26A9E0;
}

.page-blog-khai-niem-sieukhung__btn-secondary:hover {
    background-color: #e0f2f7;
    color: #1e87b8;
    border-color: #1e87b8;
}

.page-blog-khai-niem-sieukhung__hero-image {
    flex: 1 1 40%;
    min-width: 280px;
    text-align: center;
}

.page-blog-khai-niem-sieukhung__hero-side-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.page-blog-khai-niem-sieukhung__content-area {
    max-width: 1170px;
    margin: 0 auto;
    padding: 40px 16px;
}

.page-blog-khai-niem-sieukhung__section-inner {
    background-color: #FFFFFF;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.page-blog-khai-niem-sieukhung__section-title {
    font-size: 2em;
    font-weight: 700;
    color: #26A9E0;
    margin-top: 40px;
    margin-bottom: 25px;
    text-align: center;
}

.page-blog-khai-niem-sieukhung__subsection-title {
    font-size: 1.5em;
    font-weight: 600;
    color: #333333;
    margin-top: 30px;
    margin-bottom: 15px;
}

.page-blog-khai-niem-sieukhung p {
    margin-bottom: 1em;
}

.page-blog-khai-niem-sieukhung strong {
    font-weight: 700;
}

.page-blog-khai-niem-sieukhung__content-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.page-blog-khai-niem-sieukhung__feature-list,
.page-blog-khai-niem-sieukhung__guide-list,
.page-blog-khai-niem-sieukhung__promo-list {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.page-blog-khai-niem-sieukhung__feature-list li,
.page-blog-khai-niem-sieukhung__guide-list li,
.page-blog-khai-niem-sieukhung__promo-list li {
    background-color: #f0faff; /* Light blue background for list items */
    margin-bottom: 10px;
    padding: 15px 20px;
    border-left: 5px solid #26A9E0;
    border-radius: 5px;
    font-size: 1.05em;
}

.page-blog-khai-niem-sieukhung__game-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
    margin-bottom: 40px;
}

.page-blog-khai-niem-sieukhung__game-card {
    background-color: #FFFFFF;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease;
}

.page-blog-khai-niem-sieukhung__game-card:hover {
    transform: translateY(-5px);
}

.page-blog-khai-niem-sieukhung__game-card-image {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

.page-blog-khai-niem-sieukhung__game-card-title {
    font-size: 1.3em;
    font-weight: 600;
    margin: 15px 10px 10px;
    color: #26A9E0;
}

.page-blog-khai-niem-sieukhung__game-card-title a {
    color: #26A9E0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-blog-khai-niem-sieukhung__game-card-title a:hover {
    color: #1e87b8;
    text-decoration: underline;
}

.page-blog-khai-niem-sieukhung__game-card p {
    font-size: 0.95em;
    color: #555555;
    padding: 0 15px 15px;
    margin: 0;
}

/* FAQ Section */
.page-blog-khai-niem-sieukhung__faq-list {
    margin-top: 30px;
}

.page-blog-khai-niem-sieukhung__faq-item {
    background-color: #f0faff; /* Light blue background for FAQ items */
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-blog-khai-niem-sieukhung__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.15em;
    font-weight: 600;
    color: #333333;
    cursor: pointer;
    background-color: #eaf6ff; /* Slightly darker for question background */
    user-select: none;
    list-style: none; /* For details/summary */
}

.page-blog-khai-niem-sieukhung__faq-question::-webkit-details-marker {
    display: none; /* Hide default marker for Chrome */
}

.page-blog-khai-niem-sieukhung__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: #26A9E0;
    transition: transform 0.3s ease;
}

.page-blog-khai-niem-sieukhung__faq-item[open] .page-blog-khai-niem-sieukhung__faq-toggle {
    transform: rotate(45deg); /* Rotate + to become X or similar */
}

.page-blog-khai-niem-sieukhung__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    color: #555555;
}

.page-blog-khai-niem-sieukhung__faq-answer p {
    margin-top: 10px;
    margin-bottom: 0;
}

/* Links within content */
.page-blog-khai-niem-sieukhung a {
    color: #26A9E0;
    text-decoration: none;
}

.page-blog-khai-niem-sieukhung a:hover {
    text-decoration: underline;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .page-blog-khai-niem-sieukhung {
        font-size: 16px;
        line-height: 1.6;
    }

    /* HERO Section */
    .page-blog-khai-niem-sieukhung__hero-section {
        padding-top: 10px !important; /* Ensure small top padding */
        padding-bottom: 20px;
    }

    .page-blog-khai-niem-sieukhung__hero-container {
        flex-direction: column;
        padding: 20px 15px;
        gap: 20px;
    }

    .page-blog-khai-niem-sieukhung__hero-content,
    .page-blog-khai-niem-sieukhung__hero-image {
        flex: 1 1 100%;
        min-width: unset;
        width: 100%;
    }

    .page-blog-khai-niem-sieukhung__main-title {
        font-size: clamp(1.8em, 7vw, 2.2em); /* Adjust H1 size for mobile */
        text-align: center;
    }

    .page-blog-khai-niem-sieukhung__intro-text {
        text-align: center;
        font-size: 1em;
    }

    /* Buttons */
    .page-blog-khai-niem-sieukhung__cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        width: 100%; /* Ensure container takes full width */
        max-width: 100%;
        box-sizing: border-box;
        padding: 0 15px; /* Add padding to container */
    }

    .page-blog-khai-niem-sieukhung__btn-primary,
    .page-blog-khai-niem-sieukhung__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
        font-size: 1em;
    }

    /* Content Area */
    .page-blog-khai-niem-sieukhung__content-area {
        padding: 20px 15px;
    }

    .page-blog-khai-niem-sieukhung__section-inner {
        padding: 20px;
    }

    .page-blog-khai-niem-sieukhung__section-title {
        font-size: 1.5em;
        margin-top: 30px;
        margin-bottom: 20px;
    }

    .page-blog-khai-niem-sieukhung__subsection-title {
        font-size: 1.3em;
        margin-top: 25px;
        margin-bottom: 10px;
    }

    /* General Images */
    .page-blog-khai-niem-sieukhung img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    /* Game Types Grid */
    .page-blog-khai-niem-sieukhung__game-types-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 20px;
    }

    .page-blog-khai-niem-sieukhung__game-card-image {
        height: 180px; /* Adjust height for mobile cards */
    }

    /* FAQ Section */
    .page-blog-khai-niem-sieukhung__faq-question {
        padding: 15px 20px;
        font-size: 1em;
    }

    .page-blog-khai-niem-sieukhung__faq-answer {
        padding: 0 20px 15px;
        font-size: 0.95em;
    }
}