.page-tin-tuc { font-family: 'Arial', sans-serif; color: #F3F8FF; background-color: var(--deep-navy); }
.page-tin-tuc__hero-section { padding-top: 10px; position: relative; overflow: hidden; }
.page-tin-tuc__hero-image { width: 100%; height: 0; padding-bottom: 31.25%; /* 16:5 aspect ratio for 1920x600 */ position: relative; }
.page-tin-tuc__hero-image img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
.page-tin-tuc__hero-content { max-width: 900px; margin: 20px auto 40px; text-align: center; padding: 0 15px; }
.page-tin-tuc__main-title { font-size: 3.2em; font-weight: 700; color: #F2C14E; margin-bottom: 20px; line-height: 1.2; max-width: 100%; }
.page-tin-tuc__description { font-size: 1.1em; line-height: 1.6; color: #AFC4E8; margin-bottom: 30px; max-width: 700px; margin-left: auto; margin-right: auto; }
.page-tin-tuc__cta-buttons { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.page-tin-tuc__btn-primary, .page-tin-tuc__btn-secondary { display: inline-block; padding: 14px 30px; border-radius: 8px; text-decoration: none; font-weight: 700; font-size: 1.05em; transition: all 0.3s ease; white-space: normal; word-wrap: break-word; box-sizing: border-box; max-width: 100%; }
.page-tin-tuc__btn-primary { background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); color: #F3F8FF; border: 2px solid transparent; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); }
.page-tin-tuc__btn-primary:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3); }
.page-tin-tuc__btn-secondary { background: #10233F; color: #F2C14E; border: 2px solid #2B73F6; }
.page-tin-tuc__btn-secondary:hover { background: #1144A6; color: #F3F8FF; transform: translateY(-3px); }

.page-tin-tuc__section-title { font-size: 2.5em; font-weight: 700; text-align: center; color: #F2C14E; margin: 60px 0 40px; position: relative; padding-bottom: 15px; }
.page-tin-tuc__section-title::after { content: ''; display: block; width: 80px; height: 4px; background: #1D5FD1; margin: 10px auto 0; border-radius: 2px; }

.page-tin-tuc__grid-container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 1200px; margin: 0 auto 60px; padding: 0 15px; }
.page-tin-tuc__news-card { background-color: #10233F; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3); transition: transform 0.3s ease, box-shadow 0.3s ease; border: 1px solid #244D84; }
.page-tin-tuc__news-card:hover { transform: translateY(-8px); box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4); }
.page-tin-tuc__card-image-wrapper { position: relative; width: 100%; height: 0; padding-bottom: 56.25%; /* 16:9 aspect ratio */ overflow: hidden; }
.page-tin-tuc__card-image-wrapper img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
.page-tin-tuc__news-date { position: absolute; top: 15px; left: 15px; background-color: rgba(242, 193, 78, 0.9); color: #113B7A; padding: 8px 12px; border-radius: 6px; font-weight: 600; font-size: 0.9em; }
.page-tin-tuc__card-content { padding: 25px; text-align: center; }
.page-tin-tuc__card-title { font-size: 1.4em; font-weight: 700; margin-bottom: 15px; line-height: 1.4; }
.page-tin-tuc__card-title a { color: #F3F8FF; text-decoration: none; transition: color 0.3s ease; }
.page-tin-tuc__card-title a:hover { color: #F2C14E; }
.page-tin-tuc__card-excerpt { font-size: 0.95em; color: #AFC4E8; margin-bottom: 20px; line-height: 1.6; }
.page-tin-tuc__read-more { display: inline-block; color: #1D5FD1; text-decoration: none; font-weight: 600; transition: color 0.3s ease; position: relative; }
.page-tin-tuc__read-more::after { content: '→'; margin-left: 5px; transition: margin-left 0.3s ease; }
.page-tin-tuc__read-more:hover { color: #4FA8FF; }
.page-tin-tuc__read-more:hover::after { margin-left: 10px; }
.page-tin-tuc__view-all-button { text-align: center; margin-top: 40px; margin-bottom: 80px; }

.page-tin-tuc__latest-updates { max-width: 1000px; margin: 0 auto 80px; padding: 0 15px; }
.page-tin-tuc__updates-list { display: flex; flex-direction: column; gap: 25px; }
.page-tin-tuc__update-item { background-color: #10233F; border-radius: 10px; padding: 25px; box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2); transition: transform 0.3s ease, box-shadow 0.3s ease; border: 1px solid #244D84; }
.page-tin-tuc__update-item:hover { transform: translateY(-5px); box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3); }
.page-tin-tuc__update-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; font-size: 0.85em; color: #AFC4E8; }
.page-tin-tuc__update-date { font-weight: 600; color: #F2C14E; }
.page-tin-tuc__update-category { background-color: #1D5FD1; padding: 5px 10px; border-radius: 5px; color: #F3F8FF; font-weight: 600; }
.page-tin-tuc__update-title { font-size: 1.6em; font-weight: 700; margin-bottom: 10px; line-height: 1.3; }
.page-tin-tuc__update-title a { color: #F3F8FF; text-decoration: none; transition: color 0.3s ease; }
.page-tin-tuc__update-title a:hover { color: #F2C14E; }
.page-tin-tuc__update-excerpt { font-size: 0.95em; color: #AFC4E8; line-height: 1.6; }

.page-tin-tuc__about-us { max-width: 1200px; margin: 0 auto 80px; padding: 0 15px; }
.page-tin-tuc__content-wrapper { display: flex; gap: 40px; align-items: center; }
.page-tin-tuc__image-wrapper { flex: 1; min-width: 300px; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3); border: 1px solid #244D84; }
.page-tin-tuc__image-wrapper img { width: 100%; height: auto; display: block; }
.page-tin-tuc__text-content { flex: 1.5; }
.page-tin-tuc__text-content p { font-size: 1.05em; line-height: 1.7; color: #AFC4E8; margin-bottom: 20px; }

.page-tin-tuc__faq-section { max-width: 1000px; margin: 0 auto 80px; padding: 0 15px; }
.page-tin-tuc__faq-list { display: flex; flex-direction: column; gap: 15px; }
.page-tin-tuc__faq-item { background-color: #10233F; border-radius: 10px; border: 1px solid #244D84; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); transition: all 0.3s ease; }
.page-tin-tuc__faq-item[open] { background-color: #113B7A; border-color: #1D5FD1; }
.page-tin-tuc__faq-question { display: flex; justify-content: space-between; align-items: center; padding: 20px 25px; cursor: pointer; font-size: 1.2em; font-weight: 600; color: #F3F8FF; list-style: none; }
.page-tin-tuc__faq-question::-webkit-details-marker { display: none; }
.page-tin-tuc__faq-qtext { flex-grow: 1; }
.page-tin-tuc__faq-toggle { font-size: 1.5em; margin-left: 20px; color: #F2C14E; 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; font-size: 1em; color: #AFC4E8; line-height: 1.6; }

.page-tin-tuc img { max-width: 100%; height: auto; display: block; }
.page-tin-tuc__card, .page-tin-tuc__section, .page-tin-tuc__container, .page-tin-tuc__updates-list, .page-tin-tuc__content-wrapper, .page-tin-tuc__faq-list { width: 100%; max-width: 100%; box-sizing: border-box; overflow: hidden; }

@media (max-width: 1024px) {
    .page-tin-tuc__main-title { font-size: 2.8em; }
    .page-tin-tuc__section-title { font-size: 2em; }
    .page-tin-tuc__grid-container { grid-template-columns: repeat(2, 1fr); gap: 25px; }
    .page-tin-tuc__about-us .page-tin-tuc__content-wrapper { flex-direction: column; text-align: center; }
    .page-tin-tuc__about-us .page-tin-tuc__image-wrapper { max-width: 80%; margin: 0 auto; }
    .page-tin-tuc__about-us .page-tin-tuc__text-content { padding-top: 20px; }
}

@media (max-width: 768px) {
    .page-tin-tuc { font-size: 16px; line-height: 1.6; }
    .page-tin-tuc__hero-section { padding-top: 10px; }
    .page-tin-tuc__hero-image { padding-bottom: 56.25%; /* 16:9 aspect ratio */ }
    .page-tin-tuc__main-title { font-size: 2em !important; margin-bottom: 15px; }
    .page-tin-tuc__description { font-size: 1em; margin-bottom: 20px; }
    .page-tin-tuc__cta-buttons { flex-direction: column; gap: 15px; padding: 0 15px; }
    .page-tin-tuc__btn-primary, .page-tin-tuc__btn-secondary { width: 100% !important; max-width: 100% !important; padding: 12px 20px; font-size: 1em; white-space: normal !important; word-wrap: break-word !important; box-sizing: border-box !important; }

    .page-tin-tuc__section-title { font-size: 1.8em !important; margin: 40px 0 30px; }
    .page-tin-tuc__grid-container { grid-template-columns: 1fr !important; gap: 20px; padding: 0 15px; }
    .page-tin-tuc__news-card { margin-bottom: 20px; }
    .page-tin-tuc__card-image-wrapper { padding-bottom: 66.66%; /* 3:2 aspect ratio for mobile */ }
    .page-tin-tuc__news-date { font-size: 0.8em; padding: 6px 10px; }
    .page-tin-tuc__card-title { font-size: 1.2em; }
    .page-tin-tuc__card-excerpt { font-size: 0.9em; }
    .page-tin-tuc__view-all-button { margin-top: 30px; margin-bottom: 60px; }

    .page-tin-tuc__latest-updates { margin-bottom: 60px; padding: 0 15px; }
    .page-tin-tuc__update-item { padding: 20px; }
    .page-tin-tuc__update-meta { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 10px; }
    .page-tin-tuc__update-title { font-size: 1.3em; }
    .page-tin-tuc__update-excerpt { font-size: 0.9em; }

    .page-tin-tuc__about-us { margin-bottom: 60px; padding: 0 15px; }
    .page-tin-tuc__about-us .page-tin-tuc__image-wrapper { max-width: 100%; }
    .page-tin-tuc__text-content p { font-size: 1em; }

    .page-tin-tuc__faq-section { margin-bottom: 60px; padding: 0 15px; }
    .page-tin-tuc__faq-question { padding: 15px 20px; font-size: 1.1em; }
    .page-tin-tuc__faq-answer { padding: 0 20px 15px; font-size: 0.95em; }

    .page-tin-tuc img { max-width: 100% !important; width: 100% !important; height: auto !important; }
    .page-tin-tuc__section, .page-tin-tuc__card, .page-tin-tuc__container, .page-tin-tuc__updates-list, .page-tin-tuc__content-wrapper, .page-tin-tuc__faq-list {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-tin-tuc__cta-buttons { flex-wrap: wrap !important; gap: 10px; }
}