/* Base styles for the page content, ensuring text is readable on dark body background */
.page-tin-tuc {
    color: #F3F8FF; /* Text Main */
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background-color: transparent; /* Body background is handled by shared.css #08162B */
}

.page-tin-tuc__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 15px;
}

/* Section titles */
.page-tin-tuc__section-title {
    font-size: 36px;
    font-weight: 700;
    color: #F3F8FF; /* Text Main */
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.3;
}

.page-tin-tuc__section-description,
.page-tin-tuc__article-body {
    font-size: 18px;
    color: #AFC4E8; /* Text Secondary */
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
}

.page-tin-tuc__sub-title {
    font-size: 28px;
    font-weight: 600;
    color: #F3F8FF; /* Text Main */
    margin-top: 40px;
    margin-bottom: 20px;
    text-align: center;
}

/* Hero Section */
.page-tin-tuc__hero-section {
    position: relative;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-tin-tuc__hero-image-wrapper {
    width: 100%;
    position: relative;
    z-index: 1;
}

.page-tin-tuc__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.page-tin-tuc__hero-content {
    background: #113B7A; /* Main color */
    padding: 60px 20px;
    text-align: center;
    width: 100%;
    position: relative;
    z-index: 2;
    box-sizing: border-box;
}

.page-tin-tuc__main-title {
    font-size: clamp(32px, 4.5vw, 56px); /* Responsive font size */
    font-weight: 800;
    color: #F2C14E; /* Gold */
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-tin-tuc__description {
    font-size: 20px;
    color: #F3F8FF; /* Text Main */
    max-width: 900px;
    margin: 0 auto 30px auto;
}

.page-tin-tuc__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

/* Buttons */
.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary,
.page-tin-tuc__read-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    max-width: 100%; /* For mobile responsiveness */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-tin-tuc__btn-primary {
    background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    color: #F3F8FF; /* Text Main */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__btn-primary:hover {
    background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.page-tin-tuc__btn-secondary {
    background: #F3F8FF; /* Text Main */
    color: #113B7A; /* Main color */
    border-color: #113B7A;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-tin-tuc__btn-secondary:hover {
    background: #AFC4E8; /* Text Secondary */
    color: #08162B; /* Deep Navy */
    border-color: #08162B;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.page-tin-tuc__read-more {
    background: #1D5FD1; /* Auxiliary color */
    color: #F3F8FF; /* Text Main */
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 5px;
    margin-top: 15px;
    display: inline-block;
}

.page-tin-tuc__read-more:hover {
    background: #2B73F6;
    transform: translateY(-1px);
}

/* Latest News Section */
.page-tin-tuc__latest-news,
.page-tin-tuc__access-news,
.page-tin-tuc__faq-section {
    background: #08162B; /* Deep Navy */
    padding: 60px 0;
}

.page-tin-tuc__why-news,
.page-tin-tuc__cta-section {
    background: #F3F8FF; /* Text Main - light background */
    padding: 60px 0;
}

.page-tin-tuc__text-dark {
    color: #333333; /* Dark text for light background */
}

.page-tin-tuc__news-grid,
.page-tin-tuc__how-to-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-tin-tuc__news-card,
.page-tin-tuc__how-to-card {
    background: #10233F; /* Card BG */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-tin-tuc__news-card:hover,
.page-tin-tuc__how-to-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-tin-tuc__card-image {
    width: 100%;
    height: 220px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

.page-tin-tuc__card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.page-tin-tuc__card-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.page-tin-tuc__card-title a {
    color: #F3F8FF; /* Text Main */
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-tin-tuc__card-title a:hover {
    color: #F2C14E; /* Gold */
}

.page-tin-tuc__card-meta {
    font-size: 14px;
    color: #AFC4E8; /* Text Secondary */
    margin-bottom: 15px;
}

.page-tin-tuc__card-text {
    font-size: 16px;
    color: #AFC4E8; /* Text Secondary */
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-tin-tuc__view-all-wrapper {
    text-align: center;
    margin-top: 50px;
}

/* Why News Section (light background, dark text) */
.page-tin-tuc__why-news .page-tin-tuc__section-title,
.page-tin-tuc__why-news .page-tin-tuc__section-description,
.page-tin-tuc__why-news .page-tin-tuc__sub-title,
.page-tin-tuc__why-news .page-tin-tuc__article-body {
    color: #333333; /* Dark text */
}
.page-tin-tuc__why-news .page-tin-tuc__benefits-list {
    max-width: 800px;
    margin: 30px auto;
    text-align: left;
    padding-left: 20px;
}
.page-tin-tuc__why-news .page-tin-tuc__benefits-list li {
    font-size: 18px;
    color: #333333;
    margin-bottom: 15px;
    position: relative;
    padding-left: 30px;
}
.page-tin-tuc__why-news .page-tin-tuc__benefits-list li strong {
    color: #113B7A; /* Main color for emphasis */
}
.page-tin-tuc__why-news .page-tin-tuc__benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #1D5FD1; /* Auxiliary color */
    font-weight: bold;
}

/* FAQ Section */
.page-tin-tuc__faq-list {
    max-width: 900px;
    margin: 40px auto 0 auto;
}

details.page-tin-tuc__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid #244D84; /* Border color */
    overflow: hidden;
    background: #10233F; /* Card BG */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
}
details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question::-webkit-details-marker {
    display: none;
}
details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question:hover {
    background: rgba(29, 95, 209, 0.1); /* Slightly lighter hover */
}
.page-tin-tuc__faq-qtext {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: #F3F8FF; /* Text Main */
}
.page-tin-tuc__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    color: #F2C14E; /* Gold */
    flex-shrink: 0;
    margin-left: 20px;
    width: 30px;
    text-align: center;
}
details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
    padding: 0 25px 25px;
    background: #08162B; /* Deep Navy */
    border-radius: 0 0 8px 8px;
    color: #AFC4E8; /* Text Secondary */
    font-size: 16px;
}
details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer p {
    margin-bottom: 0;
    color: #AFC4E8; /* Text Secondary */
}

/* Global image styles */
.page-tin-tuc img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-tin-tuc__section-title {
        font-size: 32px;
    }
    .page-tin-tuc__main-title {
        font-size: clamp(28px, 4vw, 48px);
    }
    .page-tin-tuc__description {
        font-size: 18px;
    }
    .page-tin-tuc__btn-primary,
    .page-tin-tuc__btn-secondary {
        padding: 12px 25px;
        font-size: 16px;
    }
    .page-tin-tuc__card-title {
        font-size: 20px;
    }
    .page-tin-tuc__card-image {
        height: 200px;
    }
    .page-tin-tuc__faq-qtext {
        font-size: 17px;
    }
}

@media (max-width: 768px) {
    .page-tin-tuc__container {
        padding: 15px;
    }
    .page-tin-tuc__hero-section {
        margin-bottom: 20px;
        padding-top: 10px; /* Consistent small top padding */
    }
    .page-tin-tuc__hero-image {
        object-fit: contain !important; /* HERO 主图区域: 移动 object-fit:contain !important */
        aspect-ratio: unset !important; /* aspect-ratio:unset */
        height: auto !important; /* Ensure height is auto for contain */
        width: 100% !important;
    }
    .page-tin-tuc__hero-content {
        padding: 40px 15px;
    }
    .page-tin-tuc__main-title {
        font-size: clamp(28px, 8vw, 40px);
        text-align: center;
    }
    .page-tin-tuc__description {
        font-size: 16px;
        text-align: center;
        margin-bottom: 20px;
    }
    .page-tin-tuc__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-tin-tuc__btn-primary,
    .page-tin-tuc__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        font-size: 16px !important;
        padding: 12px 20px !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
    }
    .page-tin-tuc__section-title {
        font-size: 28px;
        margin-bottom: 15px;
    }
    .page-tin-tuc__section-description,
    .page-tin-tuc__article-body {
        font-size: 16px;
        margin-bottom: 20px;
        text-align: left; /* Align left for better mobile readability */
        padding: 0 10px;
    }
    .page-tin-tuc__sub-title {
        font-size: 24px;
        text-align: left;
        padding: 0 10px;
    }
    .page-tin-tuc__benefits-list {
        padding-left: 10px;
    }
    .page-tin-tuc__benefits-list li {
        font-size: 16px;
        padding-left: 25px;
    }
    .page-tin-tuc__news-grid,
    .page-tin-tuc__how-to-grid {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 20px;
        margin-top: 20px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important; /* Ensure no horizontal scroll */
    }
    .page-tin-tuc__news-card,
    .page-tin-tuc__how-to-card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-tin-tuc__card-image {
        height: 180px;
    }
    .page-tin-tuc__card-content {
        padding: 20px;
    }
    .page-tin-tuc__card-title {
        font-size: 18px;
    }
    .page-tin-tuc__card-text {
        font-size: 14px;
    }
    .page-tin-tuc__read-more {
        font-size: 14px;
        padding: 8px 15px;
    }
    .page-tin-tuc__view-all-wrapper {
        margin-top: 30px;
        padding: 0 15px;
    }
    details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question {
        padding: 15px 20px;
    }
    .page-tin-tuc__faq-qtext {
        font-size: 16px;
    }
    .page-tin-tuc__faq-toggle {
        font-size: 24px;
        margin-left: 15px;
        width: 25px;
    }
    details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
        padding: 0 20px 20px;
        font-size: 14px;
    }
    /* Global image styles for mobile */
    .page-tin-tuc img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }
    .page-tin-tuc__section,
    .page-tin-tuc__card,
    .page-tin-tuc__container,
    .page-tin-tuc__how-to-card,
    .page-tin-tuc__news-card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-tin-tuc__hero-section {
        padding-top: 10px; /* Consistent small top padding */
    }
}