:root {
    --page-tin-tuc-primary-color: #113B7A; /* Deep Navy */
    --page-tin-tuc-secondary-color: #1D5FD1; /* Auxiliary Blue */
    --page-tin-tuc-text-main: #F3F8FF;
    --page-tin-tuc-text-secondary: #AFC4E8;
    --page-tin-tuc-card-bg: #10233F;
    --page-tin-tuc-border-color: #244D84;
    --page-tin-tuc-glow-color: #4FA8FF;
    --page-tin-tuc-gold-color: #F2C14E;
    --page-tin-tuc-divider-color: #1B3357;
    --page-tin-tuc-deep-navy-bg: #08162B;
    --page-tin-tuc-button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
}

.page-tin-tuc {
    background-color: var(--page-tin-tuc-deep-navy-bg); /* Body background is dark from shared.css */
    color: var(--page-tin-tuc-text-main);
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

/* --- Hero Section --- */
.page-tin-tuc__hero-section {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
}

.page-tin-tuc__hero-image-wrapper {
    width: 100%;
    height: auto;
    max-height: 600px; /* Limit height for desktop hero */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-tin-tuc__hero-image {
    width: 100%;
    height: auto;
    object-fit: cover; /* Desktop: cover to fill space */
    display: block;
}

.page-tin-tuc__hero-content {
    background: var(--page-tin-tuc-deep-navy-bg); /* Use deep navy for consistency */
    padding: 40px 0;
    text-align: center;
    position: relative;
    z-index: 1; /* Ensure content is above any potential background elements */
}

.page-tin-tuc__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* Use clamp for H1 */
    color: var(--page-tin-tuc-text-main);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-tin-tuc__subtitle {
    font-size: 1.1rem;
    color: var(--page-tin-tuc-text-secondary);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-tin-tuc__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow wrapping for multiple buttons */
}

.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text breaking */
    box-sizing: border-box;
    max-width: 300px; /* Max width for individual buttons */
}

.page-tin-tuc__btn-primary {
    background: var(--page-tin-tuc-button-gradient);
    color: var(--page-tin-tuc-text-main);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-tin-tuc__btn-secondary {
    background: transparent;
    color: var(--page-tin-tuc-text-main);
    border: 2px solid var(--page-tin-tuc-border-color);
}

.page-tin-tuc__btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* --- General Section Styles --- */
.page-tin-tuc__section {
    padding: 60px 0;
    background-color: var(--page-tin-tuc-deep-navy-bg); /* Default section background */
}

.page-tin-tuc__section--intro,
.page-tin-tuc__section--latest-news,
.page-tin-tuc__section--guide,
.page-tin-tuc__section--faq {
    background-color: var(--page-tin-tuc-deep-navy-bg);
}

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

.page-tin-tuc__section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--page-tin-tuc-gold-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
    line-height: 1.3;
}

.page-tin-tuc__text-block {
    font-size: 1.05rem;
    color: var(--page-tin-tuc-text-secondary);
    text-align: center;
    margin-bottom: 25px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Categories Section --- */
.page-tin-tuc__section--categories {
    background-color: var(--page-tin-tuc-card-bg); /* Card BG for this section */
}

.page-tin-tuc__categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-tin-tuc__category-card {
    background: var(--page-tin-tuc-card-bg);
    border: 1px solid var(--page-tin-tuc-border-color);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--page-tin-tuc-text-main);
}

.page-tin-tuc__category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__category-image {
    width: 100%;
    max-width: 200px; /* Adjust size for icon-like images */
    height: auto;
    margin-bottom: 20px;
    border-radius: 8px;
    object-fit: cover;
    min-width: 200px; /* Min size requirement */
    min-height: 200px;
}

.page-tin-tuc__category-title {
    font-size: 1.4rem;
    color: var(--page-tin-tuc-text-main);
    margin-bottom: 10px;
    font-weight: 600;
}

.page-tin-tuc__category-description {
    font-size: 0.95rem;
    color: var(--page-tin-tuc-text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-tin-tuc__btn-category {
    margin-top: auto; /* Push button to bottom */
}

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

.page-tin-tuc__news-card {
    background: var(--page-tin-tuc-card-bg);
    border: 1px solid var(--page-tin-tuc-border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    color: var(--page-tin-tuc-text-main);
}

.page-tin-tuc__news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__news-image {
    width: 100%;
    height: 220px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
    min-width: 200px; /* Min size requirement */
    min-height: 200px;
}

.page-tin-tuc__news-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.page-tin-tuc__news-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

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

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

.page-tin-tuc__news-meta {
    font-size: 0.85rem;
    color: var(--page-tin-tuc-text-secondary);
    margin-bottom: 15px;
}

.page-tin-tuc__news-excerpt {
    font-size: 0.95rem;
    color: var(--page-tin-tuc-text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-tin-tuc__read-more {
    color: var(--page-tin-tuc-gold-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    margin-top: auto; /* Push to bottom */
}

.page-tin-tuc__read-more:hover {
    text-decoration: underline;
    color: var(--page-tin-tuc-glow-color);
}

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

/* --- Benefits Section --- */
.page-tin-tuc__section--benefits {
    background-color: var(--page-tin-tuc-deep-navy-bg);
}

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

.page-tin-tuc__benefit-item {
    background: var(--page-tin-tuc-card-bg);
    border: 1px solid var(--page-tin-tuc-border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    color: var(--page-tin-tuc-text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}