:root {
    --vz88-primary-color: #113B7A;
    --vz88-secondary-color: #1D5FD1;
    --vz88-button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --vz88-card-bg: #10233F;
    --vz88-text-main: #F3F8FF;
    --vz88-text-secondary: #AFC4E8;
    --vz88-border-color: #244D84;
    --vz88-glow-color: #4FA8FF;
    --vz88-gold-color: #F2C14E;
    --vz88-divider-color: #1B3357;
    --vz88-deep-navy: #08162B;
}

.page-cau-hoi-thuong-gap {
    font-family: Arial, sans-serif;
    color: var(--vz88-text-main);
    background-color: var(--vz88-card-bg); /* Assuming body background is dark, so main content text is light */
}

.page-cau-hoi-thuong-gap__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 20px 16px;
    box-sizing: border-box;
}

/* Hero Banner Section */
.page-cau-hoi-thuong-gap__hero-banner {
    padding-top: 10px; /* Small top padding as per fixed header rule */
    padding-bottom: 60px;
    background-color: var(--vz88-deep-navy);
    position: relative;
    overflow: hidden;
}

.page-cau-hoi-thuong-gap__hero-banner .page-cau-hoi-thuong-gap__container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.page-cau-hoi-thuong-gap__hero-content {
    flex: 1 1 45%;
    min-width: 300px;
    color: var(--vz88-text-main);
}

.page-cau-hoi-thuong-gap__main-title {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--vz88-gold-color);
}

.page-cau-hoi-thuong-gap__description {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
    color: var(--vz88-text-secondary);
}

.page-cau-hoi-thuong-gap__cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.page-cau-hoi-thuong-gap__btn-primary,
.page-cau-hoi-thuong-gap__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
}

.page-cau-hoi-thuong-gap__btn-primary {
    background: var(--vz88-button-gradient);
    color: var(--vz88-text-main);
    border: 2px solid transparent;
}

.page-cau-hoi-thuong-gap__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-cau-hoi-thuong-gap__btn-secondary {
    background: transparent;
    color: var(--vz88-gold-color);
    border: 2px solid var(--vz88-gold-color);
}

.page-cau-hoi-thuong-gap__btn-secondary:hover {
    background: var(--vz88-gold-color);
    color: var(--vz88-deep-navy);
    transform: translateY(-2px);
}

.page-cau-hoi-thuong-gap__hero-image-wrapper {
    flex: 1 1 50%;
    min-width: 300px;
    text-align: center;
}

.page-cau-hoi-thuong-gap__hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    display: block;
    margin: 0 auto;
}

/* FAQ Section */
.page-cau-hoi-thuong-gap__faq-section {
    padding: 80px 0;
    background-color: var(--vz88-card-bg);
    color: var(--vz88-text-main);
}

.page-cau-hoi-thuong-gap__section-title {
    font-size: clamp(24px, 3.5vw, 40px);
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--vz88-gold-color);
}

.page-cau-hoi-thuong-gap__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-cau-hoi-thuong-gap__faq-item {
    background-color: var(--vz88-deep-navy);
    border: 1px solid var(--vz88-border-color);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.page-cau-hoi-thuong-gap__faq-item[open] {
    background-color: var(--vz88-primary-color);
    border-color: var(--vz88-secondary-color);
}

.page-cau-hoi-thuong-gap__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 20px;
    font-weight: 600;
    color: var(--vz88-text-main);
    cursor: pointer;
    list-style: none; /* Hide default marker */
    user-select: none;
    position: relative;
}

.page-cau-hoi-thuong-gap__faq-question::-webkit-details-marker {
    display: none;
}

.page-cau-hoi-thuong-gap__faq-qtext {
    flex-grow: 1;
    margin-right: 15px;
}

.page-cau-hoi-thuong-gap__faq-toggle {
    font-size: 28px;
    line-height: 1;
    color: var(--vz88-gold-color);
    transition: transform 0.3s ease;
}

.page-cau-hoi-thuong-gap__faq-item[open] .page-cau-hoi-thuong-gap__faq-toggle {
    transform: rotate(180deg);
}

.page-cau-hoi-thuong-gap__faq-answer {
    padding: 0 25px 20px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--vz88-text-secondary);
}

.page-cau-hoi-thuong-gap__faq-answer p {
    margin-bottom: 15px;
}

.page-cau-hoi-thuong-gap__faq-answer p:last-child {
    margin-bottom: 0;
}

.page-cau-hoi-thuong-gap__faq-answer a {
    color: var(--vz88-gold-color);
    text-decoration: underline;
}

.page-cau-hoi-thuong-gap__faq-answer a:hover {
    color: var(--vz88-secondary-color);
}

/* Contact Promo Section */
.page-cau-hoi-thuong-gap__contact-promo {
    padding: 80px 0;
    background-color: var(--vz88-deep-navy);
    color: var(--vz88-text-main);
}

.page-cau-hoi-thuong-gap__contact-promo .page-cau-hoi-thuong-gap__container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.page-cau-hoi-thuong-gap__contact-content {
    flex: 1 1 45%;
    min-width: 300px;
    text-align: left;
}

.page-cau-hoi-thuong-gap__contact-title {
    font-size: clamp(24px, 3.5vw, 40px);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--vz88-gold-color);
}

.page-cau-hoi-thuong-gap__contact-description {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
    color: var(--vz88-text-secondary);
}

.page-cau-hoi-thuong-gap__contact-image-wrapper {
    flex: 1 1 50%;
    min-width: 300px;
    text-align: center;
}

.page-cau-hoi-thuong-gap__contact-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    display: block;
    margin: 0 auto;
}

/* --- Mobile Responsive Styles (max-width: 768px) --- */
@media (max-width: 768px) {
    .page-cau-hoi-thuong-gap {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-cau-hoi-thuong-gap__container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* HERO Banner Section */
    .page-cau-hoi-thuong-gap__hero-banner {
        padding-top: 10px !important; /* Retain small top padding */
        padding-bottom: 40px;
    }

    .page-cau-hoi-thuong-gap__hero-banner .page-cau-hoi-thuong-gap__container {
        flex-direction: column;
        gap: 30px;
    }

    .page-cau-hoi-thuong-gap__hero-content,
    .page-cau-hoi-thuong-gap__hero-image-wrapper {
        flex: 1 1 100%;
        min-width: unset;
        text-align: center;
    }

    .page-cau-hoi-thuong-gap__main-title {
        font-size: 32px;
        margin-bottom: 15px;
    }

    .page-cau-hoi-thuong-gap__description {
        font-size: 16px;
        margin-bottom: 25px;
    }

    .page-cau-hoi-thuong-gap__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-cau-hoi-thuong-gap__btn-primary,
    .page-cau-hoi-thuong-gap__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 20px;
        font-size: 16px;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-cau-hoi-thuong-gap__hero-image {
        border-radius: 8px;
    }

    /* FAQ Section */
    .page-cau-hoi-thuong-gap__faq-section {
        padding: 50px 0;
    }

    .page-cau-hoi-thuong-gap__section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .page-cau-hoi-thuong-gap__faq-list {
        max-width: 100%;
    }

    .page-cau-hoi-thuong-gap__faq-question {
        padding: 18px 20px;
        font-size: 18px;
    }

    .page-cau-hoi-thuong-gap__faq-answer {
        padding: 0 20px 15px;
        font-size: 15px;
    }

    /* Contact Promo Section */
    .page-cau-hoi-thuong-gap__contact-promo {
        padding: 50px 0;
    }

    .page-cau-hoi-thuong-gap__contact-promo .page-cau-hoi-thuong-gap__container {
        flex-direction: column-reverse; /* Image above text for better flow on mobile */
        gap: 30px;
    }

    .page-cau-hoi-thuong-gap__contact-content,
    .page-cau-hoi-thuong-gap__contact-image-wrapper {
        flex: 1 1 100%;
        min-width: unset;
        text-align: center;
    }

    .page-cau-hoi-thuong-gap__contact-title {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .page-cau-hoi-thuong-gap__contact-description {
        font-size: 16px;
        margin-bottom: 25px;
    }

    .page-cau-hoi-thuong-gap__contact-image {
        border-radius: 8px;
    }

    /* General Image Responsiveness */
    .page-cau-hoi-thuong-gap img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }
}