.page-huong-dan-dang-ky-tai-khoan {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light background */
    background-color: #FFFFFF; /* Explicitly set for clarity, matches shared default */
}

/* Container for page content to control max-width */
.page-huong-dan-dang-ky-tai-khoan__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 16px;
    box-sizing: border-box; /* Ensure padding is included in width */
}

/* Section Titles */
.page-huong-dan-dang-ky-tai-khoan__section-title {
    font-size: 2.5em;
    font-weight: 700;
    color: #017439;
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.2;
}

.page-huong-dan-dang-ky-tai-khoan__section-title--white {
    color: #FFFFFF;
}

/* Text blocks */
.page-huong-dan-dang-ky-tai-khoan__text-block {
    font-size: 1.1em;
    margin-bottom: 20px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-huong-dan-dang-ky-tai-khoan__text-block--white {
    color: #FFFFFF;
}

/* Buttons */
.page-huong-dan-dang-ky-tai-khoan__cta-button {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: none;
}

.page-huong-dan-dang-ky-tai-khoan__btn-primary {
    background-color: #C30808; /* Register/Login color */
    color: #FFFF00; /* Register/Login font color */
}

.page-huong-dan-dang-ky-tai-khoan__btn-primary:hover {
    background-color: #a00606;
    transform: translateY(-2px);
}

.page-huong-dan-dang-ky-tai-khoan__btn-large {
    padding: 16px 35px;
    font-size: 1.2em;
}

/* HERO Section */
.page-huong-dan-dang-ky-tai-khoan__hero-section {
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    background-color: #f8f8f8; /* Light background for hero section */
}

.page-huong-dan-dang-ky-tai-khoan__hero-container {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 40px 16px;
    max-width: 1170px;
    margin: 0 auto;
}

.page-huong-dan-dang-ky-tai-khoan__hero-content {
    flex: 1;
    text-align: left;
    color: #333333;
}

.page-huong-dan-dang-ky-tai-khoan__main-title {
    font-size: 3em;
    font-weight: 800;
    color: #017439;
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-huong-dan-dang-ky-tai-khoan__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    line-height: 1.5;
    color: #555555;
}

.page-huong-dan-dang-ky-tai-khoan__hero-image {
    flex: 1;
    text-align: center;
}

.page-huong-dan-dang-ky-tai-khoan__hero-image img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* Intro Section */
.page-huong-dan-dang-ky-tai-khoan__intro-section {
    padding: 60px 0;
}

/* Guide Section */
.page-huong-dan-dang-ky-tai-khoan__guide-section {
    padding: 60px 0;
    background-color: #f0fdf4; /* A very light green tint */
}

.page-huong-dan-dang-ky-tai-khoan__guide-step {
    background-color: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    padding: 30px;
    margin-bottom: 40px;
    text-align: center;
}

.page-huong-dan-dang-ky-tai-khoan__guide-step img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 25px auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-huong-dan-dang-ky-tai-khoan__step-title {
    font-size: 1.8em;
    color: #017439;
    margin-bottom: 15px;
    font-weight: 700;
}

.page-huong-dan-dang-ky-tai-khoan__guide-step p {
    font-size: 1.05em;
    color: #444444;
    margin-bottom: 15px;
    text-align: left; /* Align text within step */
}

.page-huong-dan-dang-ky-tai-khoan__guide-step ul {
    list-style: disc inside;
    text-align: left;
    margin-left: 20px;
    margin-bottom: 15px;
    color: #444444;
}

.page-huong-dan-dang-ky-tai-khoan__guide-step ul li {
    margin-bottom: 8px;
    font-size: 1em;
}

/* Benefits Section */
.page-huong-dan-dang-ky-tai-khoan__benefits-section {
    padding: 60px 0;
    background-color: #017439; /* Dark background */
    color: #FFFFFF; /* White text */
}

.page-huong-dan-dang-ky-tai-khoan__benefits-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    list-style: none;
    padding: 0;
    margin-top: 40px;
}

.page-huong-dan-dang-ky-tai-khoan__benefit-item {
    background-color: rgba(255, 255, 255, 0.15); /* Slightly transparent white for items */
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-huong-dan-dang-ky-tai-khoan__benefit-title {
    font-size: 1.5em;
    color: #FFFF00; /* Yellow text for titles on dark background */
    margin-bottom: 15px;
    font-weight: 700;
}

.page-huong-dan-dang-ky-tai-khoan__benefit-item p {
    color: #f0f0f0;
    font-size: 1em;
}

/* FAQ Section */
.page-huong-dan-dang-ky-tai-khoan__faq-section {
    padding: 60px 0;
}

.page-huong-dan-dang-ky-tai-khoan__faq-list {
    max-width: 900px;
    margin: 40px auto 0;
}

.page-huong-dan-dang-ky-tai-khoan__faq-item {
    background-color: #FFFFFF;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-huong-dan-dang-ky-tai-khoan__faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.15em;
    font-weight: 600;
    color: #333333;
    cursor: pointer;
    list-style: none; /* Hide default marker */
    outline: none;
    user-select: none;
    transition: background-color 0.3s ease;
}

.page-huong-dan-dang-ky-tai-khoan__faq-item summary:hover {
    background-color: #f5f5f5;
}

/* Hide default marker for Webkit browsers */
.page-huong-dan-dang-ky-tai-khoan__faq-item summary::-webkit-details-marker {
    display: none;
}

.page-huong-dan-dang-ky-tai-khoan__faq-qtext {
    flex-grow: 1;
}

.page-huong-dan-dang-ky-tai-khoan__faq-toggle {
    font-size: 1.5em;
    font-weight: bold;
    color: #017439;
    margin-left: 20px;
}

.page-huong-dan-dang-ky-tai-khoan__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    color: #555555;
    text-align: left;
}

/* Final CTA Section */
.page-huong-dan-dang-ky-tai-khoan__cta-final-section {
    padding: 80px 0;
    background-color: #017439; /* Dark background */
    text-align: center;
}

.page-huong-dan-dang-ky-tai-khoan__cta-final-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-huong-dan-dang-ky-tai-khoan__main-title {
        font-size: 2.5em;
    }
    .page-huong-dan-dang-ky-tai-khoan__hero-description {
        font-size: 1.1em;
    }
    .page-huong-dan-dang-ky-tai-khoan__section-title {
        font-size: 2.2em;
    }
    .page-huong-dan-dang-ky-tai-khoan__guide-step {
        padding: 25px;
    }
    .page-huong-dan-dang-ky-tai-khoan__benefits-list {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    /* General page content adjustments */
    .page-huong-dan-dang-ky-tai-khoan {
        font-size: 16px;
        line-height: 1.6;
    }

    /* Ensure all images are responsive */
    .page-huong-dan-dang-ky-tai-khoan img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important; /* Important for images inside padded containers */
    }
    
    /* All content containers should be full width with padding */
    .page-huong-dan-dang-ky-tai-khoan__section,
    .page-huong-dan-dang-ky-tai-khoan__container,
    .page-huong-dan-dang-ky-tai-khoan__hero-container,
    .page-huong-dan-dang-ky-tai-khoan__guide-step,
    .page-huong-dan-dang-ky-tai-khoan__benefit-item,
    .page-huong-dan-dang-ky-tai-khoan__faq-item,
    .page-huong-dan-dang-ky-tai-khoan__cta-final-content {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    /* HERO Section */
    .page-huong-dan-dang-ky-tai-khoan__hero-section {
        padding-top: 10px !important; /* Fixed top padding, body handles header offset */
        padding-bottom: 40px;
    }
    .page-huong-dan-dang-ky-tai-khoan__hero-container {
        flex-direction: column;
        text-align: center;
        padding: 20px 15px;
        gap: 20px;
    }
    .page-huong-dan-dang-ky-tai-khoan__hero-content {
        text-align: center;
    }
    .page-huong-dan-dang-ky-tai-khoan__main-title {
        font-size: 2em;
        margin-bottom: 15px;
    }
    .page-huong-dan-dang-ky-tai-khoan__hero-description {
        font-size: 1em;
        margin-bottom: 25px;
    }

    /* Intro Section, Guide Section and other content sections */
    .page-huong-dan-dang-ky-tai-khoan__intro-section,
    .page-huong-dan-dang-ky-tai-khoan__guide-section,
    .page-huong-dan-dang-ky-tai-khoan__benefits-section,
    .page-huong-dan-dang-ky-tai-khoan__faq-section,
    .page-huong-dan-dang-ky-tai-khoan__cta-final-section {
        padding: 40px 0;
    }
    .page-huong-dan-dang-ky-tai-khoan__section-title {
        font-size: 1.8em;
        margin-bottom: 25px;
    }
    .page-huong-dan-dang-ky-tai-khoan__text-block {
        font-size: 1em;
    }
    .page-huong-dan-dang-ky-tai-khoan__guide-step {
        padding: 20px 15px;
        margin-bottom: 30px;
    }
    .page-huong-dan-dang-ky-tai-khoan__step-title {
        font-size: 1.5em;
    }
    .page-huong-dan-dang-ky-tai-khoan__guide-step p,
    .page-huong-dan-dang-ky-tai-khoan__guide-step ul li {
        font-size: 0.95em;
    }

    /* Benefits Section */
    .page-huong-dan-dang-ky-tai-khoan__benefits-list {
        grid-template-columns: 1fr; /* Single column */
        gap: 20px;
    }
    .page-huong-dan-dang-ky-tai-khoan__benefit-item {
        padding: 20px;
    }
    .page-huong-dan-dang-ky-tai-khoan__benefit-title {
        font-size: 1.3em;
    }

    /* FAQ Section */
    .page-huong-dan-dang-ky-tai-khoan__faq-list {
        margin-top: 30px;
    }
    .page-huong-dan-dang-ky-tai-khoan__faq-item summary {
        padding: 15px 20px;
        font-size: 1em;
    }
    .page-huong-dan-dang-ky-tai-khoan__faq-toggle {
        font-size: 1.3em;
    }
    .page-huong-dan-dang-ky-tai-khoan__faq-answer {
        padding: 0 20px 15px;
        font-size: 0.95em;
    }

    /* Buttons and button containers */
    .page-huong-dan-dang-ky-tai-khoan__cta-button,
    .page-huong-dan-dang-ky-tai-khoan__btn-primary,
    .page-huong-dan-dang-ky-tai-khoan__btn-secondary,
    .page-huong-dan-dang-ky-tai-khoan a[class*="button"],
    .page-huong-dan-dang-ky-tai-khoan 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; /* Ensure padding inside button */
        padding-right: 15px !important;
    }
    .page-huong-dan-dang-ky-tai-khoan__cta-buttons, /* If multiple buttons were present */
    .page-huong-dan-dang-ky-tai-khoan__button-group,
    .page-huong-dan-dang-ky-tai-khoan__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;
        display: flex; /* Ensure flex behavior for wrapping */
        flex-direction: column; /* Stack buttons vertically on mobile */
    }
}