/* --- BIẾN MÀU SẮC CHỦ ĐĐẠO --- */
:root {
    --primary-color: #0a4a8f;
    --dark-text: #212529;
    --body-text: #495057;
    --border-color: #e9ecef;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --shadow-soft: 0 8px 25px rgba(0, 0, 0, 0.07);
}

/* --- TỔNG THỂ TRANG --- */
body {
    background-color: var(--light-bg);
    font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

/* --- KHUNG NỘI DUNG CHÍNH (ĐÃ FIX LAYOUT) --- */
.info-container {
    /* max-width và margin-left/right ĐÃ BỊ XÓA (Bootstrap lo) */
    margin-top: 2.5rem;
    margin-bottom: 2.5rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

/* --- PHẦN BANNER & TIÊU ĐỀ --- */
.info-header {
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.info-banner {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.info-header h1 {
    /* Tăng font-size */
    font-size: 2.8rem; 
    font-weight: 700;
    color: var(--primary-color);
    padding: 1.5rem 1rem;
    margin: 0;
}

    .info-header h1 i {
        font-size: 0.9em;
        margin-right: 10px;
    }

/* --- NỘI DUNG CHÍNH SÁCH --- */
.info-content {
    padding: 2.5rem;
}

    .info-content h2 {
        /* Tăng font-size */
        font-size: 2.0rem; 
        font-weight: 600;
        color: var(--dark-text);
        margin-bottom: 1rem;
    }

        .info-content h2 i {
            font-size: 0.9em;
            margin-right: 12px;
            color: var(--primary-color);
            width: 25px;
        }

    .info-content p {
        /* Tăng font-size */
        font-size: 1.3rem;
        line-height: 1.8;
        color: var(--body-text);
        margin-bottom: 2.5rem;
    }

/* --- PHẦN CÂU HỎI THƯỜNG GẶP (FAQ) --- */
.faq-section {
    padding: 2.5rem;
    border-top: 1px solid var(--border-color);
    background-color: #fdfdfd;
}

    .faq-section h2 {
        text-align: center;
        /* Tăng font-size */
        font-size: 2.2rem;
        color: var(--dark-text);
        margin-bottom: 2rem;
    }

        .faq-section h2 i {
            color: var(--primary-color);
            margin-right: 10px;
        }

/* --- THIẾT KẾ ACCORDION --- */
.accordion {
    border-top: 1px solid var(--border-color);
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.accordion-button {
    background: none;
    border: none;
    outline: none;
    width: 100%;
    padding: 1.5rem 1rem;
    text-align: left;
    /* Tăng font-size */
    font-size: 1.4rem; 
    font-weight: 600;
    color: var(--dark-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

    .accordion-button:hover {
        background-color: var(--light-bg);
    }

    .accordion-button::after {
        content: '+';
        font-family: monospace;
        font-size: 1.8rem;
        font-weight: bold;
        color: var(--primary-color);
        transition: transform 0.4s ease-in-out;
    }

    .accordion-button.active::after {
        transform: rotate(45deg);
    }

.accordion-content {
    max-height: 0;
    overflow: hidden;
    background: var(--light-bg);
    transition: max-height 0.4s ease-in-out;
}

    .accordion-content p {
        padding: 0 1.5rem;
        margin: 0;
        /* Tăng font-size */
        font-size: 1.4rem; 
        line-height: 1.7;
        color: var(--body-text);
    }

    .accordion-content.open {
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
    }