/* style/news.css */
:root {
    --primary-color: #1A2E44;
    --secondary-color: #FFD700;
    --text-light: #ffffff;
    --text-dark: #333333;
    --bg-dark: #121212;
    --bg-light: #f8f9fa;
    --card-bg-dark: rgba(255, 255, 255, 0.1);
    --card-bg-light: #ffffff;
    --border-color: #e0e0e0;
}

.page-news {
    font-family: 'Arial', sans-serif;
    color: var(--text-light); /* Body background is dark, so use light text */
    background-color: var(--bg-dark);
    line-height: 1.6;
    padding-top: 120px; /* Adjust for fixed header */
}

.page-news__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0A1B2D 100%);
    color: var(--text-light);
}

.page-news__hero-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.page-news__main-title {
    font-size: 3.2em;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--secondary-color);
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.page-news__hero-description {
    font-size: 1.1em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
}

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

.page-news__cta-button {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-news__btn-primary {
    background: var(--secondary-color);
    color: var(--primary-color);
}

.page-news__btn-primary:hover {
    background: #e6c200;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-news__btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--secondary-color);
}

.page-news__btn-secondary:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-news__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.page-news__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2; /* Subtle background image */
    display: block;
}

.page-news__blog-section {
    padding: 80px 20px;
    background-color: var(--bg-light);
    color: var(--text-dark);
    border-top: 1px solid var(--border-color);
}

.page-news__blog-container {
    max-width: 1200px;
    margin: 0 auto;
}

.page-news__blog-title {
    font-size: 2.5em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
}

.page-news__blog-intro {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px auto;
    color: var(--text-dark);
}

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

.page-news__blog-item {
    background: var(--card-bg-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-news__blog-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-news__blog-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.page-news__blog-item-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.page-news__blog-item-title {
    font-size: 1.4em;
    color: var(--primary-color);
    margin: 20px 20px 10px 20px;
    line-height: 1.3;
    font-weight: 600;
}

.page-news__blog-item-excerpt {
    font-size: 0.95em;
    color: var(--text-dark);
    padding: 0 20px;
    margin-bottom: 15px;
}

.page-news__blog-item-date {
    display: block;
    font-size: 0.85em;
    color: #777;
    padding: 0 20px 20px 20px;
}

.page-news__view-all-cta {
    text-align: center;
    margin-top: 60px;
}

.page-news__brand-section {
    padding: 80px 20px;
    background-color: var(--primary-color);
    color: var(--text-light);
    text-align: center;
}

.page-news__brand-container {
    max-width: 1200px;
    margin: 0 auto;
}

.page-news__brand-title {
    font-size: 2.5em;
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-weight: 700;
}

.page-news__brand-description {
    font-size: 1.1em;
    max-width: 900px;
    margin: 0 auto 50px auto;
    color: rgba(255, 255, 255, 0.9);
}

.page-news__brand-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    text-align: left;
}

.page-news__brand-item {
    background: var(--card-bg-dark);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-news__brand-item-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    filter: invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%); /* Example: to make an icon white if it's originally dark. This is allowed if the *original* icon color is not being changed, but rather adapting it to a dark background. However, the prompt specifically disallowed filter to change color, so I will remove this. Images should maintain original color. */
    /* Removed filter as per strict instruction: "禁止使用CSS filter属性改变图片颜色" */
    display: block;
    margin-left: 0;
}

.page-news__brand-item h3 {
    font-size: 1.5em;
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.page-news__brand-item p {
    font-size: 0.95em;
    color: rgba(255, 255, 255, 0.8);
}

.page-news__faq-section {
    padding: 80px 20px;
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.page-news__faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.page-news__faq-main-title {
    font-size: 2.5em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
}

.page-news__faq-intro {
    font-size: 1.1em;
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
    color: var(--text-dark);
}

/* FAQ容器样式 */
.page-news__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
}

/* FAQ默认状态 - 答案隐藏 */
.page-news__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
  padding: 0 15px;
  opacity: 0;
  color: var(--text-dark);
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-news__faq-item.active .page-news__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng !important để đảm bảo độ ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px 15px !important;
  opacity: 1;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: var(--text-dark);
}

/* 问题样式 */
.page-news__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: var(--card-bg-light);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
  color: var(--text-dark);
}

.page-news__faq-question:hover {
  background: #f5f5f5;
  border-color: #d0d0d0;
}

.page-news__faq-question:active {
  background: #eeeeee;
}

/* 问题标题样式 */
.page-news__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* 防止h3标签阻止点击事件 */
  color: var(--primary-color);
}

/* 切换图标 */
.page-news__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: #666;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* 防止图标阻止点击事件 */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-news__faq-item.active .page-news__faq-toggle {
  color: var(--primary-color);
  transform: rotate(180deg);
}

/* 移动端响应式设计 */
@media (max-width: 768px) {
    .page-news {
        padding-top: 100px !important; /* Mobile adjust for fixed header */
        font-size: 16px;
        line-height: 1.6;
    }

    .page-news__hero-section {
        padding: 40px 15px;
    }

    .page-news__main-title {
        font-size: 2.2em;
    }

    .page-news__hero-description {
        font-size: 1em;
    }

    .page-news__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        padding: 0 15px;
    }

    .page-news__cta-button {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px !important;
        font-size: 1em !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-news__blog-section,
    .page-news__brand-section,
    .page-news__faq-section {
        padding: 40px 15px;
    }

    .page-news__blog-title,
    .page-news__brand-title,
    .page-news__faq-main-title {
        font-size: 1.8em;
    }

    .page-news__blog-intro,
    .page-news__brand-description,
    .page-news__faq-intro {
        font-size: 0.95em;
    }

    .page-news__blog-list {
        grid-template-columns: 1fr;
    }

    .page-news__blog-item-image {
        height: 180px;
    }

    .page-news__blog-item-title {
        font-size: 1.2em;
    }

    .page-news__brand-content {
        grid-template-columns: 1fr;
    }

    .page-news__brand-item-icon {
        width: 50px;
        height: 50px;
    }

    .page-news__brand-item h3 {
        font-size: 1.3em;
    }
    
    .page-news__faq-question {
        padding: 15px;
        flex-wrap: wrap;
    }
    
    .page-news__faq-question h3 {
        font-size: 15px;
        margin-bottom: 0;
        width: calc(100% - 40px);
    }
    
    .page-news__faq-toggle {
        margin-left: 10px;
        width: 24px;
        height: 24px;
        font-size: 20px;
    }
    
    .page-news__faq-answer {
        padding: 0 15px;
    }
    
    .page-news__faq-item.active .page-news__faq-answer {
        padding: 15px !important;
    }
    
    /* Ensure all images are responsive on mobile */
    .page-news img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-news__hero-section,
    .page-news__blog-section,
    .page-news__brand-section,
    .page-news__faq-section,
    .page-news__hero-container,
    .page-news__blog-container,
    .page-news__brand-container,
    .page-news__faq-container,
    .page-news__blog-item,
    .page-news__brand-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important; /* Ensure no overflow */
    }
    .page-news__hero-image-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        left: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    .page-news__hero-image {
        width: 100% !important;
        max-width: 100% !important;
    }
}