:root {
    --primary-color: #2F6BFF;
    --secondary-color: #6FA3FF;
    --button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
    --card-bg: #FFFFFF;
    --background-light: #F4F7FB;
    --text-main: #1F2D3D;
    --text-black: #000000;
    --border-color: #D6E2FF;
    --glow-color: #A5C4FF;
    --header-offset: 120px; /* Default, will be overridden by shared if present */
}

/* Base styles for the page content */
.page-blog-gioi-thieu-qq8827 {
    font-family: Arial, sans-serif;
    color: var(--text-main); /* Default text color for the page */
    background-color: var(--background-light); /* Assuming a light background for body/main content */
    line-height: 1.6;
}

.page-blog-gioi-thieu-qq8827__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 16px;
    box-sizing: border-box;
}

/* HERO Section */
.page-blog-gioi-thieu-qq8827__hero-section {
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    background-color: var(--background-light); /* Or white */
}

.page-blog-gioi-thieu-qq8827__hero-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    padding: 40px 0;
}

.page-blog-gioi-thieu-qq8827__hero-content {
    flex: 1 1 45%;
    min-width: 300px;
}

.page-blog-gioi-thieu-qq8827__hero-title {
    font-size: clamp(2em, 3.2vw, 3.2em); /* Clamp for H1 font size */
    font-weight: 700;
    color: var(--text-black);
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-blog-gioi-thieu-qq8827__hero-description {
    font-size: 1.1em;
    color: var(--text-main);
    margin-bottom: 30px;
}

.page-blog-gioi-thieu-qq8827__hero-image {
    flex: 1 1 45%;
    text-align: center;
}

.page-blog-gioi-thieu-qq8827__hero-main-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.page-blog-gioi-thieu-qq8827__hero-cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Buttons */
.page-blog-gioi-thieu-qq8827__btn-primary,
.page-blog-gioi-thieu-qq8827__btn-secondary,
.page-blog-gioi-thieu-qq8827__btn-link {
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1.05em;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
}

.page-blog-gioi-thieu-qq8827__btn-primary {
    background: var(--button-gradient);
    color: #ffffff;
    border: 2px solid transparent;
}

.page-blog-gioi-thieu-qq8827__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(47, 107, 255, 0.3);
}

.page-blog-gioi-thieu-qq8827__btn-secondary {
    background: var(--card-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-blog-gioi-thieu-qq8827__btn-secondary:hover {
    background: var(--primary-color);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(47, 107, 255, 0.2);
}

.page-blog-gioi-thieu-qq8827__btn-link {
    background: none;
    border: none;
    color: var(--primary-color);
    text-decoration: underline;
    padding: 0;
    display: inline-block;
    font-size: 0.95em;
    font-weight: 500;
}

.page-blog-gioi-thieu-qq8827__btn-link:hover {
    color: var(--secondary-color);
}

/* General Content Sections */
.page-blog-gioi-thieu-qq8827__content-area {
    padding: 60px 0;
    background-color: var(--card-bg); /* Default white background for content sections */
    margin-bottom: 20px;
}

.page-blog-gioi-thieu-qq8827__content-area:nth-child(even) {
    background-color: var(--background-light); /* Alternating background for better visual separation */
}

.page-blog-gioi-thieu-qq8827__section-title {
    font-size: clamp(1.8em, 2.5vw, 2.5em);
    color: var(--text-black);
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
}

.page-blog-gioi-thieu-qq8827__content-img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 40px auto 0;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

/* Advantages Section */
.page-blog-gioi-thieu-qq8827__advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-blog-gioi-thieu-qq8827__advantage-item {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
    text-align: center;
}

.page-blog-gioi-thieu-qq8827__advantage-title {
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* Products Section */
.page-blog-gioi-thieu-qq8827__product-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.page-blog-gioi-thieu-qq8827__product-list li {
    background-color: var(--background-light);
    padding: 20px;
    border-radius: 8px;
    font-size: 1.1em;
    color: var(--text-main);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    border-left: 5px solid var(--primary-color);
}

.page-blog-gioi-thieu-qq8827__product-list li strong {
    color: var(--primary-color);
}

/* Promotions Section */
.page-blog-gioi-thieu-qq8827__promo-list {
    list-style: disc;
    padding-left: 20px;
    margin-top: 30px;
    font-size: 1.1em;
    color: var(--text-main);
}

.page-blog-gioi-thieu-qq8827__promo-list li {
    margin-bottom: 10px;
}

.page-blog-gioi-thieu-qq8827__promo-list li strong {
    color: var(--primary-color);
}

.page-blog-gioi-thieu-qq8827__promo-cta {
    margin-top: 40px;
    justify-content: center;
}

/* Guide Section */
.page-blog-gioi-thieu-qq8827__guide-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.page-blog-gioi-thieu-qq8827__guide-list li {
    background: var(--card-bg);
    padding: 30px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border-left: 5px solid var(--secondary-color);
}

.page-blog-gioi-thieu-qq8827__guide-step-title {
    font-size: 1.3em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-blog-gioi-thieu-qq8827__guide-list li p {
    margin-bottom: 15px;
}

.page-blog-gioi-thieu-qq8827__guide-cta {
    margin-top: 40px;
    justify-content: center;
}

/* FAQ Section */
.page-blog-gioi-thieu-qq8827__faq-list {
    margin-top: 40px;
}

.page-blog-gioi-thieu-qq8827__faq-item {
    background: var(--card-bg);
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
    overflow: hidden; /* For smooth transition */
}

.page-blog-gioi-thieu-qq8827__faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.15em;
    font-weight: 600;
    color: var(--text-black);
    cursor: pointer;
    list-style: none; /* Hide default marker */
    position: relative;
    outline: none;
}

.page-blog-gioi-thieu-qq8827__faq-item summary::-webkit-details-marker {
    display: none; /* Hide default marker for webkit browsers */
}

.page-blog-gioi-thieu-qq8827__faq-question {
    flex-grow: 1;
}

.page-blog-gioi-thieu-qq8827__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: var(--primary-color);
}

.page-blog-gioi-thieu-qq8827__faq-item[open] .page-blog-gioi-thieu-qq8827__faq-toggle {
    content: "−"; /* Change to minus when open */
}

.page-blog-gioi-thieu-qq8827__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    color: var(--text-main);
    line-height: 1.6;
}

/* General image responsive styles (for all images on this page) */
.page-blog-gioi-thieu-qq8827 img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Contrast Fixes */
.page-blog-gioi-thieu-qq8827__dark-section {
    background: var(--primary-color);
    color: #ffffff;
}
.page-blog-gioi-thieu-qq8827__dark-section .page-blog-gioi-thieu-qq8827__section-title {
    color: #ffffff;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .page-blog-gioi-thieu-qq8827__hero-title {
        font-size: 2.8em;
    }
    .page-blog-gioi-thieu-qq8827__section-title {
        font-size: 2em;
    }
}

@media (max-width: 768px) {
    /* HERO Section */
    .page-blog-gioi-thieu-qq8827__hero-section {
        padding-top: 10px !important; /* Small top padding for mobile */
        padding-bottom: 40px !important;
    }
    .page-blog-gioi-thieu-qq8827__hero-container {
        flex-direction: column;
        gap: 30px;
        padding: 30px 15px;
    }
    .page-blog-gioi-thieu-qq8827__hero-content {
        flex: 1 1 100%;
        text-align: center;
    }
    .page-blog-gioi-thieu-qq8827__hero-image {
        flex: 1 1 100%;
    }
    .page-blog-gioi-thieu-qq8827__hero-title {
        font-size: 2em !important; /* Smaller H1 for mobile */
        margin-bottom: 15px;
    }
    .page-blog-gioi-thieu-qq8827__hero-description {
        font-size: 1em;
        margin-bottom: 25px;
    }
    .page-blog-gioi-thieu-qq8827__hero-cta-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 15px;
        width: 100%;
    }

    /* Buttons */
    .page-blog-gioi-thieu-qq8827__btn-primary,
    .page-blog-gioi-thieu-qq8827__btn-secondary,
    .page-blog-gioi-thieu-qq8827 a[class*="button"],
    .page-blog-gioi-thieu-qq8827 a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    .page-blog-gioi-thieu-qq8827__hero-cta-buttons,
    .page-blog-gioi-thieu-qq8827__promo-cta,
    .page-blog-gioi-thieu-qq8827__guide-cta,
    .page-blog-gioi-thieu-qq8827__button-group,
    .page-blog-gioi-thieu-qq8827__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        flex-wrap: wrap !important;
        gap: 10px !important;
        display: flex; /* Ensure flex properties apply */
        flex-direction: column; /* Default to column for multiple buttons */
    }

    /* General Content Sections */
    .page-blog-gioi-thieu-qq8827__content-area {
        padding: 30px 0 !important;
    }
    .page-blog-gioi-thieu-qq8827__container {
        padding: 0 15px !important;
    }
    .page-blog-gioi-thieu-qq8827__section-title {
        font-size: 1.8em !important;
        margin-bottom: 30px;
    }
    .page-blog-gioi-thieu-qq8827 p,
    .page-blog-gioi-thieu-qq8827 li,
    .page-blog-gioi-thieu-qq8827__faq-answer {
        font-size: 16px !important;
        line-height: 1.6 !important;
    }

    /* Images */
    .page-blog-gioi-thieu-qq8827 img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }
    /* This rule is for the checklist, even if no such HTML exists on this page */
    .page-blog-gioi-thieu-qq8827__icon-box-media {
        width: 200px !important;
        height: 200px !important;
        margin: 0 auto 16px !important;
    }
    .page-blog-gioi-thieu-qq8827__icon-box-media img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
    }


    /* Advantages Grid */
    .page-blog-gioi-thieu-qq8827__advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Product List */
    .page-blog-gioi-thieu-qq8827__product-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .page-blog-gioi-thieu-qq8827__product-list li {
        padding: 15px;
    }

    /* FAQ Section */
    .page-blog-gioi-thieu-qq8827__faq-item summary {
        padding: 15px 20px;
        font-size: 1em;
    }
    .page-blog-gioi-thieu-qq8827__faq-answer {
        padding: 0 20px 15px;
    }
}