:root {
    --tg88-primary-color: #2F6BFF;
    --tg88-secondary-color: #6FA3FF;
    --tg88-button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
    --tg88-card-bg: #FFFFFF;
    --tg88-background-color: #F4F7FB;
    --tg88-text-main: #1F2D3D;
    --tg88-text-black: #000000;
    --tg88-border-color: #D6E2FF;
    --tg88-glow-color: #A5C4FF;
}

.page-huong-dan {
    font-family: 'Arial', sans-serif;
    color: var(--tg88-text-main); /* Dark text on light body background */
    background-color: var(--tg88-background-color);
}

.page-huong-dan img {
    max-width: 100%;
    height: auto;
    display: block;
}

.page-huong-dan__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 20px 16px;
    box-sizing: border-box;
}

/* Hero Section */
.page-huong-dan__hero-section {
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    background-color: var(--tg88-background-color);
}

.page-huong-dan__hero-container {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    padding-top: 40px;
    padding-bottom: 40px;
}

.page-huong-dan__hero-content {
    flex: 1 1 50%;
    min-width: 300px;
    color: var(--tg88-text-main);
}

.page-huong-dan__hero-title {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--tg88-primary-color);
    margin-bottom: 20px;
}

.page-huong-dan__hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.page-huong-dan__hero-image {
    flex: 1 1 40%;
    text-align: center;
}

.page-huong-dan__hero-side-image {
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* CTA Button Styles */
.page-huong-dan__cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.page-huong-dan__cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1rem;
    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-huong-dan__btn-primary {
    background: var(--tg88-button-gradient);
    color: #ffffff;
    border: 2px solid transparent;
}

.page-huong-dan__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--tg88-glow-color);
}

.page-huong-dan__btn-secondary {
    background: #ffffff;
    color: var(--tg88-primary-color);
    border: 2px solid var(--tg88-primary-color);
}

.page-huong-dan__btn-secondary:hover {
    background: var(--tg88-primary-color);
    color: #ffffff;
    box-shadow: 0 5px 15px var(--tg88-glow-color);
}

/* Intro Section */
.page-huong-dan__intro-section {
    padding: 60px 0;
    background-color: var(--tg88-background-color);
    text-align: center;
}

.page-huong-dan__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--tg88-primary-color);
    margin-bottom: 20px;
}

.page-huong-dan__section-description {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--tg88-text-main);
}

.page-huong-dan__icon-box-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    margin-top: 40px;
}

.page-huong-dan__icon-box {
    flex: 0 0 calc(33.333% - 20px);
    max-width: calc(33.333% - 20px);
    background-color: var(--tg88-card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    text-align: center;
    border: 1px solid var(--tg88-border-color);
    box-sizing: border-box;
}

.page-huong-dan__icon-box-media {
    width: 240px;
    height: 240px;
    aspect-ratio: 1 / 1;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--tg88-secondary-color);
    box-shadow: 0 0 0 8px rgba(111, 163, 255, 0.3);
}

.page-huong-dan__icon-box-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%; /* Ensure image is circular */
}

.page-huong-dan__icon-box-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--tg88-primary-color);
    margin-bottom: 10px;
}

.page-huong-dan__icon-box-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--tg88-text-main);
}

/* Guide Section */
.page-huong-dan__guide-section {
    padding: 60px 0;
    background-color: var(--tg88-card-bg);
}

.page-huong-dan__guide-item {
    background-color: #ffffff;
    border: 1px solid var(--tg88-border-color);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
}

.page-huong-dan__guide-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--tg88-primary-color);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--tg88-border-color);
    padding-bottom: 10px;
}

.page-huong-dan__guide-item p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 15px;
    color: var(--tg88-text-main);
}

.page-huong-dan__guide-item ol,
.page-huong-dan__guide-item ul {
    list-style-position: inside;
    margin-left: 20px;
    margin-bottom: 20px;
    color: var(--tg88-text-main);
}

.page-huong-dan__guide-item li {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 8px;
}

.page-huong-dan__guide-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    margin: 25px auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.page-huong-dan__guide-button {
    margin-top: 20px;
}

/* FAQ Section */
.page-huong-dan__faq-section {
    padding: 60px 0;
    background-color: var(--tg88-background-color);
    text-align: center;
}

.page-huong-dan__faq-list {
    max-width: 900px;
    margin: 40px auto 0;
    text-align: left;
}

.page-huong-dan__faq-item {
    background-color: var(--tg88-card-bg);
    border: 1px solid var(--tg88-border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-huong-dan__faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--tg88-text-black);
    cursor: pointer;
    list-style: none;
    position: relative;
}

.page-huong-dan__faq-item summary::-webkit-details-marker,
.page-huong-dan__faq-item summary::marker {
    display: none;
}

.page-huong-dan__faq-qtext {
    flex-grow: 1;
    color: var(--tg88-text-main);
}

.page-huong-dan__faq-toggle {
    font-size: 1.8rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--tg88-primary-color);
    transition: transform 0.3s ease;
}

.page-huong-dan__faq-item[open] .page-huong-dan__faq-toggle {
    transform: rotate(45deg);
}

.page-huong-dan__faq-answer {
    padding: 0 25px 20px;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--tg88-text-main);
}

.page-huong-dan__faq-answer p {
    margin-bottom: 0;
}

/* CTA Section */
.page-huong-dan__cta-section {
    padding: 60px 0;
    background: var(--tg88-primary-color);
    color: #ffffff;
    text-align: center;
}

.page-huong-dan__cta-container {
    padding-top: 40px;
    padding-bottom: 40px;
}

.page-huong-dan__cta-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    color: #ffffff;
}

.page-huong-dan__cta-description {
    font-size: 1.15rem;
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #f0f8ff;
}

.page-huong-dan__cta-buttons--inline {
    justify-content: center;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-huong-dan__hero-container {
        flex-direction: column;
        text-align: center;
    }

    .page-huong-dan__hero-content {
        flex: 1 1 100%;
    }

    .page-huong-dan__hero-image {
        flex: 1 1 100%;
        max-width: 80%;
        margin-top: 30px;
    }

    .page-huong-dan__icon-box {
        flex: 0 0 calc(50% - 15px);
        max-width: calc(50% - 15px);
    }

    .page-huong-dan__icon-box-media {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 768px) {
    /* Hero Section */
    .page-huong-dan__hero-section {
        padding-top: 10px !important; /* Enforce small top padding */
        padding-bottom: 40px;
    }
    .page-huong-dan__hero-container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        padding-top: 30px;
        padding-bottom: 30px;
    }
    .page-huong-dan__hero-title {
        font-size: 2rem;
    }
    .page-huong-dan__hero-description {
        font-size: 1rem;
    }
    .page-huong-dan__hero-image {
        max-width: 100%;
    }

    /* Intro Section - Module 1 */
    .page-huong-dan__intro-section {
        padding: 40px 0;
    }
    .page-huong-dan__section-title {
        font-size: 1.8rem;
    }
    .page-huong-dan__section-description {
        font-size: 1rem;
        margin-bottom: 30px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-huong-dan__icon-box-grid {
        flex-direction: column;
        gap: 20px;
    }
    .page-huong-dan__icon-box {
        flex: 0 0 100%;
        max-width: 100%;
        padding: 25px;
        margin-left: 15px;
        margin-right: 15px;
    }
    .page-huong-dan__icon-box-media {
        width: 180px;
        height: 180px;
        margin-bottom: 15px;
    }
    .page-huong-dan__icon-box-title {
        font-size: 1.3rem;
    }
    .page-huong-dan__icon-box-text {
        font-size: 0.95rem;
    }

    /* Guide Section */
    .page-huong-dan__guide-section {
        padding: 40px 0;
    }
    .page-huong-dan__guide-item {
        padding: 20px;
        margin-bottom: 30px;
        margin-left: 15px;
        margin-right: 15px;
    }
    .page-huong-dan__guide-subtitle {
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    .page-huong-dan__guide-item p,
    .page-huong-dan__guide-item li {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    .page-huong-dan__guide-image {
        margin: 20px auto;
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    /* FAQ Section */
    .page-huong-dan__faq-section {
        padding: 40px 0;
    }
    .page-huong-dan__faq-list {
        margin-top: 30px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-huong-dan__faq-item summary {
        padding: 15px 20px;
        font-size: 1rem;
    }
    .page-huong-dan__faq-toggle {
        font-size: 1.5rem;
    }
    .page-huong-dan__faq-answer {
        padding: 0 20px 15px;
        font-size: 0.95rem;
    }

    /* CTA Section */
    .page-huong-dan__cta-section {
        padding: 40px 0;
    }
    .page-huong-dan__cta-container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        padding-top: 30px;
        padding-bottom: 30px;
    }
    .page-huong-dan__cta-title {
        font-size: 1.8rem;
    }
    .page-huong-dan__cta-description {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    .page-huong-dan__cta-buttons--inline {
        flex-direction: column;
        gap: 10px;
    }

    /* General Images & Buttons */
    .page-huong-dan img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-huong-dan__cta-button,
    .page-huong-dan__btn-primary,
    .page-huong-dan__btn-secondary,
    .page-huong-dan a[class*="button"],
    .page-huong-dan 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;
        padding-right: 15px;
    }
    .page-huong-dan__cta-buttons,
    .page-huong-dan__button-group,
    .page-huong-dan__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
    }
    .page-huong-dan__hero-buttons {
        flex-direction: column;
    }
}