/* Define CSS Variables for colors */
:root {
    --primary-color: #F2C14E;
    --accent-color: #FFD36B;
    --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
    --card-bg: #111111;
    --background-color: #0A0A0A;
    --text-main: #FFF6D6;
    --border-color: #3A2A12;
    --glow-color: #FFD36B;
}

/* Base styles for the news page */
.page-tin-tuc {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main); /* Ensure light text on dark body background */
    background-color: var(--background-color);
}

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

.page-tin-tuc__section {
    padding: 60px 0;
    background-color: var(--background-color);
}

.page-tin-tuc__section-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--text-main);
    text-align: center;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.page-tin-tuc__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--primary-color) 100%);
    border-radius: 2px;
}

.page-tin-tuc__section-subtitle {
    font-size: 18px;
    color: #CCC;
    text-align: center;
    margin-bottom: 40px;
}

/* Hero Section */
.page-tin-tuc__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 10px; /* Small top padding as shared.css handles body padding */
    padding-bottom: 60px;
    overflow: hidden;
    background-color: var(--background-color);
}

.page-tin-tuc__hero-image-wrapper {
    width: 100%;
    height: 500px;
    overflow: hidden;
    margin-bottom: 30px;
}

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

.page-tin-tuc__hero-content {
    max-width: 900px;
    padding: 0 20px;
    z-index: 1;
}

.page-tin-tuc__hero-title {
    font-size: clamp(32px, 4vw, 48px);
    color: var(--text-main);
    margin-bottom: 15px;
    font-weight: 700;
    line-height: 1.2;
}

.page-tin-tuc__hero-description {
    font-size: 18px;
    color: #E0E0E0;
    margin-bottom: 30px;
}

.page-tin-tuc__hero-description strong {
    color: var(--accent-color);
}

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

/* Buttons */
.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s ease;
    text-align: center;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-tin-tuc__btn-primary {
    background: var(--button-gradient);
    color: #111111; /* Dark text on light button */
    border: none;
    box-shadow: 0 4px 15px rgba(242, 193, 78, 0.4);
}

.page-tin-tuc__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(242, 193, 78, 0.6);
}

.page-tin-tuc__btn-secondary {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    box-shadow: 0 2px 10px rgba(255, 211, 107, 0.2);
}

.page-tin-tuc__btn-secondary:hover {
    background: var(--accent-color);
    color: #111111; /* Dark text on light button */
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 211, 107, 0.4);
}

/* News Grid */
.page-tin-tuc__latest-news {
    background-color: var(--card-bg);
}

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

.page-tin-tuc__news-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.page-tin-tuc__news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.page-tin-tuc__news-image-wrapper {
    width: 100%;
    height: 225px; /* Fixed height for consistency */
    overflow: hidden;
}

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

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

.page-tin-tuc__news-date {
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
}

.page-tin-tuc__news-title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 15px;
    line-height: 1.3;
}

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

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

.page-tin-tuc__news-excerpt {
    font-size: 16px;
    color: #E0E0E0;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-tin-tuc__read-more {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-tin-tuc__read-more:hover {
    color: #FFF6D6;
}

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

/* About MCW 18 Section */
.page-tin-tuc__about-mcw18 {
    background-color: var(--background-color);
}

.page-tin-tuc__content-wrapper {
    display: flex;
    gap: 40px;
    align-items: center;
    flex-wrap: wrap;
}

.page-tin-tuc__text-block {
    flex: 1;
    min-width: 300px;
}

.page-tin-tuc__text-block p {
    font-size: 17px;
    color: #E0E0E0;
    margin-bottom: 15px;
}

.page-tin-tuc__text-block strong {
    color: var(--accent-color);
}

.page-tin-tuc__image-block {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.page-tin-tuc__about-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

/* CTA Section */
.page-tin-tuc__cta-section {
    background: var(--card-bg);
    padding: 80px 0;
    text-align: center;
}

.page-tin-tuc__dark-section .page-tin-tuc__section-title,
.page-tin-tuc__dark-section .page-tin-tuc__section-subtitle {
    color: var(--text-main);
}

.page-tin-tuc__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

/* FAQ Section */
.page-tin-tuc__faq-section {
    background-color: var(--background-color);
}

.page-tin-tuc__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

details.page-tin-tuc__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  transition: box-shadow 0.3s ease;
}

details.page-tin-tuc__faq-item:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

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;
  color: var(--text-main);
}

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(255, 255, 255, 0.05);
}

.page-tin-tuc__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
}

.page-tin-tuc__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--accent-color);
  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 20px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0 0 10px 10px;
  color: #E0E0E0;
  font-size: 16px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-tin-tuc__container {
        padding: 0 20px;
    }

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

    .page-tin-tuc__section-title {
        font-size: 32px;
    }

    .page-tin-tuc__hero-title {
        font-size: clamp(28px, 5vw, 42px);
    }

    .page-tin-tuc__hero-image-wrapper {
        height: 400px;
    }

    .page-tin-tuc__about-image {
        width: 100%;
        height: auto;
    }
}

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-tin-tuc__hero-section {
        padding-top: 10px !important; /* ~10px top padding */
        padding-bottom: 40px;
    }
    .page-tin-tuc__hero-image-wrapper {
        height: 250px;
        margin-bottom: 20px;
    }
    .page-tin-tuc__hero-image {
        object-fit: contain !important; /* mobile contain */
        aspect-ratio: unset !important;
    }
    .page-tin-tuc__hero-title {
        font-size: clamp(24px, 6vw, 36px);
        margin-bottom: 10px;
    }
    .page-tin-tuc__hero-description {
        font-size: 16px;
        margin-bottom: 20px;
    }
    .page-tin-tuc__hero-cta-buttons {
        flex-direction: column; /* mobile buttons stack */
        gap: 15px;
        margin-top: 20px;
        width: 100%; /* container width */
        padding: 0 15px;
        box-sizing: border-box;
        overflow: hidden;
    }

    /* 通用 section/container 适配 */
    .page-tin-tuc__section {
        padding: 40px 0;
    }
    .page-tin-tuc__container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-tin-tuc__section-title {
        font-size: 28px;
        margin-bottom: 15px;
        line-height: 1.3;
    }
    .page-tin-tuc__section-subtitle {
        font-size: 16px;
        margin-bottom: 30px;
    }

    /* 产品展示图区域 - General news grid */
    .page-tin-tuc__news-grid {
        grid-template-columns: 1fr; /* single column for news cards */
        gap: 20px;
        overflow-x: hidden; /* Prevent horizontal scroll */
    }
    .page-tin-tuc__news-card {
        width: 100%;
        box-sizing: border-box;
    }
    .page-tin-tuc__news-image-wrapper {
        height: 180px;
    }
    .page-tin-tuc__news-title {
        font-size: 18px;
    }
    .page-tin-tuc__news-excerpt {
        font-size: 15px;
    }

    /* 装饰主标题 + 长文 SEO 区 */
    .page-tin-tuc__content-wrapper {
        flex-direction: column; /* stack content and image */
        gap: 30px;
    }
    .page-tin-tuc__text-block, .page-tin-tuc__image-block {
        min-width: unset;
        width: 100%;
    }
    .page-tin-tuc__text-block p {
        font-size: 16px;
    }
    .page-tin-tuc__about-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    /* 通用图片与容器 */
    .page-tin-tuc img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-tin-tuc__image-block,
    .page-tin-tuc__news-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* 按钮与按钮容器 */
    .page-tin-tuc__btn-primary,
    .page-tin-tuc__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 12px 20px;
        font-size: 15px;
    }
    .page-tin-tuc__cta-buttons {
        flex-direction: column; /* Stack buttons */
        gap: 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        padding: 0 15px;
    }

    /* FAQ Section */
    details.page-tin-tuc__faq-item summary.page-tin-tuc__faq-question {
        padding: 15px;
    }
    .page-tin-tuc__faq-qtext {
        font-size: 16px;
    }
    .page-tin-tuc__faq-toggle {
        font-size: 24px;
        margin-left: 10px;
    }
    details.page-tin-tuc__faq-item .page-tin-tuc__faq-answer {
        padding: 0 15px 15px;
        font-size: 15px;
    }
}