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

.page-tin-tuc {
    font-family: Arial, sans-serif;
    color: var(--text-main); /* Default text color for light background */
    background-color: var(--page-bg); /* Default page background */
    line-height: 1.6;
}

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

.page-tin-tuc__hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: 10px; /* Small top padding as per rules */
    padding-bottom: 40px;
    background-color: var(--primary-color);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.page-tin-tuc__hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 20px;
}

.page-tin-tuc__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
}

.page-tin-tuc__hero-description {
    font-size: 1.15rem;
    margin-bottom: 30px;
}

.page-tin-tuc__hero-image-wrapper {
    position: relative;
    width: 100%;
    max-height: 675px;
    overflow: hidden;
    margin-top: 20px;
}

.page-tin-tuc__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 8px;
}

.page-tin-tuc__section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--text-main);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-tin-tuc__section-description {
    font-size: 1.05rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
}

.page-tin-tuc__light-bg {
    background-color: var(--page-bg);
    color: var(--text-main);
    padding: 60px 0;
}

.page-tin-tuc__dark-bg {
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 60px 0;
}

.page-tin-tuc__dark-bg .page-tin-tuc__section-title,
.page-tin-tuc__dark-bg .page-tin-tuc__section-description {
    color: #ffffff;
}

.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary,
.page-tin-tuc__btn-outline {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    box-sizing: border-box;
    max-width: 100%;
}

.page-tin-tuc__btn-primary {
    background: var(--button-gradient);
    color: #ffffff;
    border: 2px solid transparent;
}

.page-tin-tuc__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__btn-secondary {
    background: var(--card-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    margin-left: 15px;
}

.page-tin-tuc__btn-secondary:hover {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__btn-outline {
    background: none;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 20px;
    font-size: 0.9rem;
    margin-top: 15px;
}

.page-tin-tuc__btn-outline:hover {
    background: var(--primary-color);
    color: #ffffff;
}

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

.page-tin-tuc__category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.page-tin-tuc__news-card,
.page-tin-tuc__category-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-tin-tuc__news-card:hover,
.page-tin-tuc__category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-tin-tuc__news-card-image,
.page-tin-tuc__category-image {
    width: 100%;
    height: 250px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

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

.page-tin-tuc__news-card-title {
    font-size: 1.4rem;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.3;
}

.page-tin-tuc__news-card-title a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-tin-tuc__news-card-title a:hover {
    color: var(--primary-color);
}

.page-tin-tuc__news-card-date {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 15px;
}

.page-tin-tuc__news-card-excerpt {
    font-size: 1rem;
    color: #555;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-tin-tuc__category-card {
    text-align: center;
    text-decoration: none;
    color: var(--text-main);
}

.page-tin-tuc__category-image {
    height: 200px; /* Fixed height for category images */
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.page-tin-tuc__category-title {
    font-size: 1.3rem;
    font-weight: bold;
    padding: 15px;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    color: var(--text-main);
}

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

.page-tin-tuc__faq-list {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

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

.page-tin-tuc__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15rem;
    font-weight: bold;
    color: var(--text-main);
    cursor: pointer;
    list-style: none;
    transition: background-color 0.3s ease;
}

.page-tin-tuc__faq-question::-webkit-details-marker {
    display: none;
}

.page-tin-tuc__faq-question:hover {
    background-color: #f8f8f8;
}

.page-tin-tuc__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    transition: transform 0.3s ease;
}

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

.page-tin-tuc__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    color: #555;
    line-height: 1.6;
}

.page-tin-tuc__cta-section {
    text-align: center;
    padding: 80px 20px;
}

.page-tin-tuc__cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: #ffffff;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-tin-tuc__cta-description {
    font-size: 1.15rem;
    color: #e0e0e0;
    max-width: 800px;
    margin: 0 auto 40px auto;
}

.page-tin-tuc__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-tin-tuc__container {
        padding: 15px;
    }

    .page-tin-tuc__hero-content {
        padding: 15px;
    }

    .page-tin-tuc__main-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }

    .page-tin-tuc__hero-description {
        font-size: 1rem;
    }

    .page-tin-tuc__section-title {
        font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    }

    .page-tin-tuc__section-description {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .page-tin-tuc__featured-news-grid,
    .page-tin-tuc__news-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }

    .page-tin-tuc__category-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }

    .page-tin-tuc__news-card-title {
        font-size: 1.25rem;
    }

    .page-tin-tuc__news-card-excerpt {
        font-size: 0.9rem;
    }

    .page-tin-tuc__faq-question {
        font-size: 1.05rem;
        padding: 18px 20px;
    }

    .page-tin-tuc__faq-answer {
        padding: 0 20px 18px 20px;
    }

    .page-tin-tuc__cta-title {
        font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    }

    .page-tin-tuc__cta-description {
        font-size: 1rem;
    }

    .page-tin-tuc__btn-primary,
    .page-tin-tuc__btn-secondary {
        padding: 12px 24px;
    }
}

@media (max-width: 768px) {
    .page-tin-tuc__hero-section {
        padding-top: 10px; /* Still small top padding */
        padding-bottom: 30px;
    }

    .page-tin-tuc__hero-content,
    .page-tin-tuc__container,
    .page-tin-tuc__cta-section .page-tin-tuc__container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-tin-tuc__main-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
    }

    .page-tin-tuc__hero-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-tin-tuc__section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    .page-tin-tuc__section-description {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }

    .page-tin-tuc__latest-news-section,
    .page-tin-tuc__news-categories-section,
    .page-tin-tuc__all-news-section,
    .page-tin-tuc__faq-section,
    .page-tin-tuc__cta-section {
        padding: 40px 0;
    }

    .page-tin-tuc__featured-news-grid,
    .page-tin-tuc__news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-tin-tuc__category-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .page-tin-tuc__news-card-image,
    .page-tin-tuc__category-image {
        height: 200px; /* Adjusted fixed height for mobile consistency */
    }

    /* General image responsiveness */
    .page-tin-tuc img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }

    /* Button responsiveness */
    .page-tin-tuc__btn-primary,
    .page-tin-tuc__btn-secondary,
    .page-tin-tuc__btn-outline,
    .page-tin-tuc a[class*="button"],
    .page-tin-tuc 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-tin-tuc__cta-buttons,
    .page-tin-tuc__button-group,
    .page-tin-tuc__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-direction: column !important; /* Stack buttons vertically */
        gap: 10px;
    }

    .page-tin-tuc__btn-secondary {
        margin-left: 0;
    }

    .page-tin-tuc__faq-question {
        font-size: 1rem;
        padding: 15px 20px;
    }

    .page-tin-tuc__faq-answer {
        padding: 0 20px 15px 20px;
    }

    .page-tin-tuc__cta-title {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
    }

    .page-tin-tuc__cta-description {
        font-size: 0.95rem;
    }

    /* Placeholder for homepage specific elements, if they were present */
    .page-tin-tuc__home-content {
        height: auto !important;
        overflow-y: visible !important;
        padding: 15px !important;
    }
    .page-tin-tuc__slider-track {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
    }
    .page-tin-tuc__game-slide {
        flex: 0 0 160px !important;
        max-width: 160px !important;
        scroll-snap-align: start;
    }
    .page-tin-tuc__banners-top-wrapper {
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
        gap: 10px !important;
    }
    .page-tin-tuc__banner-item img {
        max-width: 100% !important;
        height: auto !important;
    }
    .page-tin-tuc__blog-masonry {
        grid-template-columns: 1fr !important;
    }
    .page-tin-tuc__blog-slider-track {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
    }
    .page-tin-tuc__blog-slide {
        flex: 0 0 80% !important; /* Make slides wider for mobile */
        max-width: 80% !important;
        scroll-snap-align: start;
    }
}