.page-ban-ca-cac-phien-ban {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* Default text color for the page */
    background-color: var(--deep-navy); /* Body background from shared.css */
}

.page-ban-ca-cac-phien-ban__hero-section {
    padding-top: 10px; /* Small top padding, relying on body padding-top from shared.css */
    padding-bottom: 60px;
    background-color: var(--deep-navy);
    color: var(--text-main);
}

.page-ban-ca-cac-phien-ca__hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    padding: 20px 15px;
}

.page-ban-ca-cac-phien-ban__hero-content {
    flex: 1 1 45%;
    min-width: 300px;
}

.page-ban-ca-cac-phien-ban__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-main);
}

.page-ban-ca-cac-phien-ban__hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.page-ban-ca-cac-phien-ban__cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.page-ban-ca-cac-phien-ban__btn-primary,
.page-ban-ca-cac-phien-ban__btn-secondary,
.page-ban-ca-cac-phien-ban__btn-card,
.page-ban-ca-cac-phien-ban__btn-guide {
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-ban-ca-cac-phien-ban__btn-primary {
    background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    color: var(--text-main);
    border: none;
}

.page-ban-ca-cac-phien-ban__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-ban-ca-cac-phien-ban__btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 2px solid var(--border-color);
}

.page-ban-ca-cac-phien-ban__btn-secondary:hover {
    background: var(--border-color);
    color: var(--text-main);
}

.page-ban-ca-cac-phien-ban__hero-image {
    flex: 1 1 45%;
    min-width: 300px;
    text-align: center;
}

.page-ban-ca-cac-phien-ban__hero-side-image {
    max-width: 600px;
    width: 100%;
    height: 600px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.page-ban-ca-cac-phien-ban__content-section,
.page-ban-ca-cac-phien-ban__game-versions-section,
.page-ban-ca-cac-phien-ban__advantages-section,
.page-ban-ca-cac-phien-ban__guide-section,
.page-ban-ca-cac-phien-ban__tips-section,
.page-ban-ca-cac-phien-ban__faq-section,
.page-ban-ca-cac-phien-ban__conclusion-section {
    padding: 60px 0;
}

.page-ban-ca-cac-phien-ban__dark-section {
    background-color: var(--card-bg);
    color: var(--text-main);
}

.page-ban-ca-cac-phien-ban__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.page-ban-ca-cac-phien-ban__section-title {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--gold-color);
}

.page-ban-ca-cac-phien-ban__text-block {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.page-ban-ca-cac-phien-ban__grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-ban-ca-cac-phien-ban__card {
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.page-ban-ca-cac-phien-ban__card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.page-ban-ca-cac-phien-ban__card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.page-ban-ca-cac-phien-ban__card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--gold-color);
}

.page-ban-ca-cac-phien-ban__card-text {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 20px;
    color: var(--text-secondary);
    flex-grow: 1;
}

.page-ban-ca-cac-phien-ban__btn-card {
    background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    color: var(--text-main);
    padding: 12px 25px;
    border-radius: 6px;
    display: inline-block;
    margin-top: auto; /* Push button to bottom */
}

.page-ban-ca-cac-phien-ban__btn-card:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.page-ban-ca-cac-phien-ban__grid-advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    text-align: center;
}

.page-ban-ca-cac-phien-ban__advantage-item {
    background-color: var(--deep-navy);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-ban-ca-cac-phien-ban__advantage-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--gold-color);
}

.page-ban-ca-cac-phien-ban__advantage-text {
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.page-ban-ca-cac-phien-ban__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-ban-ca-cac-phien-ban__guide-item {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
}

.page-ban-ca-cac-phien-ban__guide-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--gold-color);
}

.page-ban-ca-cac-phien-ban__guide-text {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 20px;
    color: var(--text-secondary);
    flex-grow: 1;
}

.page-ban-ca-cac-phien-ban__btn-guide {
    background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    color: var(--text-main);
    padding: 12px 25px;
    border-radius: 6px;
    display: inline-block;
    text-decoration: none;
    font-weight: 600;
    margin-top: auto;
}

.page-ban-ca-cac-phien-ban__btn-guide:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.page-ban-ca-cac-phien-ban__tips-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.page-ban-ca-cac-phien-ban__tips-text-block {
    flex: 1 1 55%;
    min-width: 300px;
}

.page-ban-ca-cac-phien-ban__tips-list {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.page-ban-ca-cac-phien-ban__tips-list li {
    margin-bottom: 10px;
    line-height: 1.6;
    font-size: 1.05rem;
}

.page-ban-ca-cac-phien-ban__tips-list strong {
    color: var(--text-main);
}

.page-ban-ca-cac-phien-ban__tips-image {
    flex: 1 1 35%;
    min-width: 300px;
    text-align: center;
}

.page-ban-ca-cac-phien-ban__tips-visual {
    max-width: 800px;
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    margin: 0 auto;
}

.page-ban-ca-cac-phien-ban__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-ban-ca-cac-phien-ban__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--text-main);
}

.page-ban-ca-cac-phien-ban__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    color: var(--text-main);
}

.page-ban-ca-cac-phien-ban__faq-question::-webkit-details-marker {
    display: none;
}

.page-ban-ca-cac-phien-ban__faq-qtext {
    flex-grow: 1;
    color: var(--text-main);
}

.page-ban-ca-cac-phien-ban__faq-toggle {
    font-size: 1.8rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--gold-color);
}

.page-ban-ca-cac-phien-ban__faq-item[open] .page-ban-ca-cac-phien-ban__faq-toggle {
    content: '−';
}

.page-ban-ca-cac-phien-ban__faq-answer {
    padding: 0 25px 20px;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.page-ban-ca-cac-phien-ban__faq-answer p {
    margin-bottom: 0;
}

.page-ban-ca-cac-phien-ban__conclusion-section .page-ban-ca-cac-phien-ban__btn-primary {
    display: block;
    width: fit-content;
    margin: 40px auto 0;
}

/* General image responsiveness */
.page-ban-ca-cac-phien-ban img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Media Queries */
@media (max-width: 1024px) {
    .page-ban-ca-cac-phien-ca__hero-container {
        flex-direction: column;
        text-align: center;
    }

    .page-ban-ca-cac-phien-ban__hero-content {
        order: 2;
    }

    .page-ban-ca-cac-phien-ban__hero-image {
        order: 1;
        margin-bottom: 30px;
    }

    .page-ban-ca-cac-phien-ban__cta-buttons {
        justify-content: center;
    }

    .page-ban-ca-cac-phien-ban__tips-content {
        flex-direction: column;
    }

    .page-ban-ca-cac-phien-ban__tips-text-block,
    .page-ban-ca-cac-phien-ban__tips-image {
        flex: 1 1 100%;
        min-width: unset;
    }
}

@media (max-width: 768px) {
    /* HERO Section */
    .page-ban-ca-cac-phien-ban__hero-section {
        padding-top: 10px !important; /* Adhere to the ~10px rule */
        padding-bottom: 40px;
    }
    .page-ban-ca-cac-phien-ca__hero-container {
        padding: 15px;
        gap: 25px;
    }
    .page-ban-ca-cac-phien-ban__main-title {
        font-size: clamp(2rem, 6vw, 2.5rem);
    }
    .page-ban-ca-cac-phien-ban__hero-description {
        font-size: 1rem;
    }
    .page-ban-ca-cac-phien-ban__hero-side-image {
        height: 400px; /* Adjust height for mobile */
    }

    /* Buttons and Button Containers */
    .page-ban-ca-cac-phien-ban__cta-buttons {
        flex-direction: column !important; /* Stack buttons vertically */
        gap: 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 15px;
    }
    .page-ban-ca-cac-phien-ban__btn-primary,
    .page-ban-ca-cac-phien-ban__btn-secondary,
    .page-ban-ca-cac-phien-ban__btn-card,
    .page-ban-ca-cac-phien-ban__btn-guide {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 12px 15px;
        font-size: 0.95rem;
    }
    .page-ban-ca-cac-phien-ban__conclusion-section .page-ban-ca-cac-phien-ban__btn-primary {
        width: 100% !important;
    }

    /* General Content Sections */
    .page-ban-ca-cac-phien-ban__content-section,
    .page-ban-ca-cac-phien-ban__game-versions-section,
    .page-ban-ca-cac-phien-ban__advantages-section,
    .page-ban-ca-cac-phien-ban__guide-section,
    .page-ban-ca-cac-phien-ban__tips-section,
    .page-ban-ca-cac-phien-ban__faq-section,
    .page-ban-ca-cac-phien-ban__conclusion-section {
        padding: 40px 0;
    }
    .page-ban-ca-cac-phien-ban__section-title {
        font-size: clamp(1.5rem, 5vw, 2.2rem);
        margin-bottom: 30px;
    }
    .page-ban-ca-cac-phien-ban__text-block {
        font-size: 1rem;
    }

    /* Game Versions Cards */
    .page-ban-ca-cac-phien-ban__grid-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-ban-ca-cac-phien-ban__card-image {
        height: 200px;
    }
    .page-ban-ca-cac-phien-ban__card-title {
        font-size: 1.3rem;
    }
    .page-ban-ca-cac-phien-ban__card-text {
        font-size: 0.95rem;
    }

    /* Advantages Section */
    .page-ban-ca-cac-phien-ban__grid-advantages {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-ban-ca-cac-phien-ban__advantage-title {
        font-size: 1.2rem;
    }
    .page-ban-ca-cac-phien-ban__advantage-text {
        font-size: 0.95rem;
    }

    /* Guide Section */
    .page-ban-ca-cac-phien-ban__guide-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-ban-ca-cac-phien-ban__guide-title {
        font-size: 1.3rem;
    }
    .page-ban-ca-cac-phien-ban__guide-text {
        font-size: 0.95rem;
    }

    /* Tips Section */
    .page-ban-ca-cac-phien-ban__tips-content {
        gap: 25px;
    }
    .page-ban-ca-cac-phien-ban__tips-list {
        font-size: 0.95rem;
    }
    .page-ban-ca-cac-phien-ban__tips-visual {
        height: 300px;
    }

    /* FAQ Section */
    .page-ban-ca-cac-phien-ban__faq-question {
        padding: 15px 20px;
        font-size: 1.1rem;
    }
    .page-ban-ca-cac-phien-ban__faq-toggle {
        font-size: 1.5rem;
    }
    .page-ban-ca-cac-phien-ban__faq-answer {
        padding: 0 20px 15px;
        font-size: 0.95rem;
    }

    /* Universal Image Responsiveness */
    .page-ban-ca-cac-phien-ban img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }
    .page-ban-ca-cac-phien-ban__container,
    .page-ban-ca-cac-phien-ban__card,
    .page-ban-ca-cac-phien-ban__advantage-item,
    .page-ban-ca-cac-phien-ban__guide-item,
    .page-ban-ca-cac-phien-ban__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden; /* Prevent content overflow */
    }
    /* Module 1 (not present here), but if it were, circular images would need specific handling */
    /* For example: .page-ban-ca-cac-phien-ban__icon-box-media { width: 200px; height: 200px; } */
}