.page-huong-dan-nap-rut {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-main-color, #F3F8FF); /* Default to light text for dark body background */
    background-color: var(--card-bg-color, #10233F);
}

.page-huong-dan-nap-rut__top-section {
    padding-top: 10px; /* Small top padding as shared.css handles body padding-top */
    padding-bottom: 40px;
    background: linear-gradient(180deg, #113B7A 0%, #08162B 100%);
    text-align: center;
    color: var(--text-main-color, #F3F8FF);
}

.page-huong-dan-nap-rut__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-huong-nap-rut__main-title {
    font-size: clamp(2em, 3.5vw, 3.2em); /* Responsive font size */
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--gold-color, #F2C14E);
    line-height: 1.2;
    text-shadow: 0px 0px 10px rgba(79, 168, 255, 0.5);
}

.page-huong-dan-nap-rut__description {
    font-size: 1.1em;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-secondary-color, #AFC4E8);
}

.page-huong-dan-nap-rut__top-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-huong-dan-nap-rut__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 700;
    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-nap-rut__btn-primary {
    background: var(--button-gradient, linear-gradient(180deg, #2B73F6 0%, #1144A6 100%));
    color: #ffffff; /* Always white text for primary button */
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(43, 115, 246, 0.4);
}

.page-huong-dan-nap-rut__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(43, 115, 246, 0.6);
}

.page-huong-dan-nap-rut__btn-secondary {
    background: transparent;
    color: var(--text-main-color, #F3F8FF);
    border: 2px solid var(--border-color, #244D84);
}

.page-huong-dan-nap-rut__btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--glow-color, #4FA8FF);
    color: var(--glow-color, #4FA8FF);
    transform: translateY(-2px);
}

.page-huong-dan-nap-rut__section {
    padding: 60px 0;
    color: var(--text-main-color, #F3F8FF); /* Light text for dark background */
    background-color: var(--card-bg-color, #10233F);
    border-bottom: 1px solid var(--divider-color, #1B3357);
}

.page-huong-dan-nap-rut__section-title {
    font-size: 2.5em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--gold-color, #F2C14E);
    text-shadow: 0px 0px 8px rgba(242, 193, 78, 0.3);
}

.page-huong-dan-nap-rut__article-wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-huong-dan-nap-rut__paragraph {
    font-size: 1.05em;
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--text-secondary-color, #AFC4E8);
}

.page-huong-dan-nap-rut__figure {
    margin: 30px 0;
    text-align: center;
}

.page-huong-dan-nap-rut__image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    margin: 0 auto;
    object-fit: cover;
}

.page-huong-dan-nap-rut__figcaption {
    font-size: 0.9em;
    color: var(--text-secondary-color, #AFC4E8);
    margin-top: 10px;
    font-style: italic;
}

.page-huong-dan-nap-rut__info-card,
.page-huong-dan-nap-rut__warning-card {
    background-color: var(--deep-navy-color, #08162B);
    border: 1px solid var(--border-color, #244D84);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-huong-dan-nap-rut__card-title {
    font-size: 1.4em;
    font-weight: 600;
    color: var(--gold-color, #F2C14E);
    margin-bottom: 10px;
}

.page-huong-dan-nap-rut__card-text {
    font-size: 1em;
    color: var(--text-secondary-color, #AFC4E8);
}

.page-huong-dan-nap-rut__step-card {
    background-color: var(--deep-navy-color, #08162B);
    border: 1px solid var(--border-color, #244D84);
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-huong-dan-nap-rut__step-title {
    font-size: 1.6em;
    font-weight: 700;
    color: var(--glow-color, #4FA8FF);
    margin-bottom: 15px;
    border-bottom: 2px solid var(--divider-color, #1B3357);
    padding-bottom: 10px;
}

.page-huong-dan-nap-rut__step-text {
    font-size: 1.05em;
    color: var(--text-secondary-color, #AFC4E8);
    margin-bottom: 20px;
}

.page-huong-dan-nap-rut__promo-box {
    background: linear-gradient(90deg, #113B7A 0%, #1D5FD1 100%);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    margin-top: 50px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-huong-dan-nap-rut__promo-title {
    font-size: 1.8em;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
    text-shadow: 0px 0px 8px rgba(255, 255, 255, 0.3);
}

.page-huong-dan-nap-rut__promo-text {
    font-size: 1.1em;
    color: #e0e0e0;
    margin-bottom: 25px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-huong-dan-nap-rut__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-huong-dan-nap-rut__list-item {
    background-color: var(--deep-navy-color, #08162B);
    border: 1px solid var(--border-color, #244D84);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

.page-huong-dan-nap-rut__list-title {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--gold-color, #F2C14E);
    margin-bottom: 10px;
}

.page-huong-dan-nap-rut__list-text {
    font-size: 1em;
    color: var(--text-secondary-color, #AFC4E8);
}

.page-huong-dan-nap-rut__button-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-huong-dan-nap-rut__faq-list {
    margin-top: 30px;
}

.page-huong-dan-nap-rut__faq-item {
    background-color: var(--deep-navy-color, #08162B);
    border: 1px solid var(--border-color, #244D84);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

.page-huong-dan-nap-rut__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: 600;
    color: var(--text-main-color, #F3F8FF);
    cursor: pointer;
    background-color: var(--deep-navy-color, #08162B);
    transition: background-color 0.3s ease;
    list-style: none;
}

.page-huong-dan-nap-rut__faq-question::-webkit-details-marker {
    display: none;
}

.page-huong-dan-nap-rut__faq-question:hover {
    background-color: #1a3a60;
}

.page-huong-dan-nap-rut__faq-qtext {
    color: var(--gold-color, #F2C14E);
}

.page-huong-dan-nap-rut__faq-toggle {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--glow-color, #4FA8FF);
    transition: transform 0.3s ease;
}

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

.page-huong-dan-nap-rut__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    color: var(--text-secondary-color, #AFC4E8);
    line-height: 1.7;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
    .page-huong-dan-nap-rut__section-title {
        font-size: 2.2em;
    }
    .page-huong-dan-nap-rut__main-title {
        font-size: clamp(1.8em, 4vw, 2.8em);
    }
    .page-huong-dan-nap-rut__description {
        font-size: 1em;
    }
    .page-huong-dan-nap-rut__btn {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-huong-dan-nap-rut__step-title {
        font-size: 1.4em;
    }
    .page-huong-dan-nap-rut__promo-title {
        font-size: 1.6em;
    }
}

@media (max-width: 768px) {
    /* 1. Top section title + CTA */
    .page-huong-dan-nap-rut__top-section {
        padding-top: 10px !important;
        padding-bottom: 30px;
    }
    .page-huong-dan-nap-rut__main-title {
        font-size: clamp(1.5em, 6vw, 2.5em) !important;
        margin-bottom: 10px;
    }
    .page-huong-dan-nap-rut__description {
        font-size: 0.95em;
        margin-bottom: 20px;
        padding: 0 10px;
    }
    .page-huong-dan-nap-rut__top-cta {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
    }
    .page-huong-dan-nap-rut__btn {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1em;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* 2. Single column long text containers */
    .page-huong-dan-nap-rut__section {
        padding: 40px 0;
    }
    .page-huong-dan-nap-rut__article-wrap {
        padding: 0 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-huong-dan-nap-rut__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }
    .page-huong-dan-nap-rut__paragraph,
    .page-huong-dan-nap-rut__card-text,
    .page-huong-dan-nap-rut__step-text,
    .page-huong-dan-nap-rut__promo-text,
    .page-huong-dan-nap-rut__list-text,
    .page-huong-dan-nap-rut__faq-answer p {
        font-size: 0.95em;
        line-height: 1.7;
    }

    /* 3. General images and figure */
    .page-huong-dan-nap-rut__image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        object-fit: cover;
    }
    .page-huong-dan-nap-rut__figure {
        margin: 20px 0;
    }
    .page-huong-dan-nap-rut__figcaption {
        font-size: 0.85em;
    }

    /* 4. Buttons and button containers (already covered by top-cta, but general rules) */
    .page-huong-dan-nap-rut__button-group {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* 5. FAQ blocks */
    .page-huong-dan-nap-rut__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
    }
    .page-huong-dan-nap-rut__faq-qtext {
        font-size: 1em;
    }
    .page-huong-dan-nap-rut__faq-toggle {
        font-size: 1.3em;
    }
    .page-huong-dan-nap-rut__faq-answer {
        padding: 0 20px 15px;
    }
    .page-huong-dan-nap-rut__info-card,
    .page-huong-dan-nap-rut__warning-card,
    .page-huong-dan-nap-rut__step-card,
    .page-huong-dan-nap-rut__list-item {
        padding: 20px;
        margin-bottom: 20px;
    }
    .page-huong-dan-nap-rut__card-title,
    .page-huong-dan-nap-rut__step-title,
    .page-huong-dan-nap-rut__list-title {
        font-size: 1.2em;
    }
    .page-huong-dan-nap-rut__promo-box {
        padding: 25px;
        margin-top: 30px;
    }
    .page-huong-dan-nap-rut__promo-title {
        font-size: 1.4em;
    }
}