/* style/news.css */
/* 页面所有样式代码 - 注意：所有选择器必须使用BEM命名规则（双下划线__连接） */

/* 基础样式和颜色对比度 */
.page-news {
    color: #ffffff; /* Body background is #0a0a0a (dark), so light text */
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #0a0a0a; /* Ensure consistency with body background */
}

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

/* Hero Section */
.page-news__hero-section {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
    text-align: center;
    color: #ffffff;
    overflow: hidden;
    padding-top: var(--header-offset, 120px); /* Fixed header offset */
    box-sizing: border-box;
}

.page-news__hero-background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.page-news__hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); /* Dark overlay for text readability */
    z-index: -1;
}

.page-news__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.page-news__hero-description {
    font-size: 1.2em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #f0f0f0;
}

.page-news__hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* General Section Styling */
.page-news__section-title {
    font-size: 2.5em;
    color: #ffffff; /* Default for dark sections */
    text-align: center;
    margin-bottom: 20px;
}

.page-news__section-description {
    font-size: 1.1em;
    color: #f0f0f0; /* Default for dark sections */
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.page-news__btn-primary,
.page-news__btn-secondary,
.page-news__btn-text {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
}

.page-news__btn-primary {
    background-color: #26A9E0;
    color: #ffffff;
    border: 2px solid #26A9E0;
}

.page-news__btn-primary:hover {
    background-color: #1e87b7;
    border-color: #1e87b7;
}

.page-news__btn-secondary {
    background-color: transparent;
    color: #26A9E0;
    border: 2px solid #26A9E0;
}

.page-news__btn-secondary:hover {
    background-color: #26A9E0;
    color: #ffffff;
}

.page-news__btn-text {
    color: #26A9E0;
    padding: 0;
    border: none;
    background: none;
    text-decoration: underline;
}

.page-news__btn-text:hover {
    color: #1e87b7;
}

/* Latest Articles Section */
.page-news__latest-articles {
    padding: 80px 0;
}

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

.page-news__article-card {
    background-color: rgba(255, 255, 255, 0.08); /* Semi-transparent white on dark bg */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.page-news__article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-news__article-image {
    width: 100%;
    height: 220px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

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

.page-news__article-title {
    font-size: 1.4em;
    margin-bottom: 10px;
    line-height: 1.3;
    color: #ffffff;
}

.page-news__article-title a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-news__article-title a:hover {
    color: #26A9E0;
}

.page-news__article-meta {
    font-size: 0.9em;
    color: #cccccc;
    margin-bottom: 15px;
}

.page-news__article-excerpt {
    font-size: 1em;
    color: #f0f0f0;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-news__load-more {
    text-align: center;
    margin-top: 20px;
}

/* Featured Video Section */
.page-news__featured-video {
    padding: 80px 0;
    background-color: #0a0a0a; /* Consistent with body bg */
}

.page-news__video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
    margin: 0 auto 20px auto;
    border-radius: 10px;
}

.page-news__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    cursor: pointer;
}

.page-news__video-caption {
    text-align: center;
    color: #f0f0f0;
    font-size: 1em;
    margin-top: 10px;
}

/* Categories Section */
.page-news__categories {
    padding: 80px 0;
}

.page-news__categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.page-news__category-card {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    overflow: hidden;
    text-align: center;
    text-decoration: none;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-news__category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

.page-news__category-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-news__category-title {
    font-size: 1.3em;
    padding: 20px;
    margin: 0;
    color: #ffffff;
}

/* CTA Section */
.page-news__cta-section {
    padding: 80px 0;
    text-align: center;
    background-color: #0a0a0a; /* Consistent with body bg */
}

.page-news__cta-title {
    font-size: 2.8em;
    color: #ffffff;
    margin-bottom: 20px;
}

.page-news__cta-description {
    font-size: 1.2em;
    color: #f0f0f0;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* FAQ Section */
.page-news__faq-section {
    padding: 80px 0;
}

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

.page-news__faq-item {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-news__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.05);
    transition: background-color 0.3s ease;
}

.page-news__faq-question:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.page-news__faq-question-text {
    font-size: 1.2em;
    color: #ffffff;
    margin: 0;
    flex-grow: 1;
}

.page-news__faq-toggle {
    font-size: 1.8em;
    font-weight: bold;
    color: #26A9E0;
    margin-left: 20px;
    transition: transform 0.3s ease;
}

.page-news__faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 25px;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: #f0f0f0;
}

.page-news__faq-item.active .page-news__faq-answer {
    max-height: 1000px !important; /* Sufficiently large value */
    padding: 15px 25px 25px 25px;
}

.page-news__faq-item.active .page-news__faq-toggle {
    transform: rotate(45deg);
}

.page-news__faq-answer p {
    margin: 0;
    padding-bottom: 10px; /* Adjust as needed */
    color: #f0f0f0;
}

/* Dark/Light background classes for contrast */
.page-news__dark-section {
    background-color: #0a0a0a; /* Dark background */
    color: #ffffff; /* Light text */
}

.page-news__light-bg {
    background-color: #0a0a0a; /* Still dark, but for contrast logic */
    color: #ffffff;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-news__hero-title {
        font-size: 2.8em;
    }
    .page-news__section-title {
        font-size: 2em;
    }
    .page-news__cta-title {
        font-size: 2.2em;
    }
}

@media (max-width: 768px) {
    .page-news__hero-section {
        min-height: 450px;
        padding: 40px 15px;
        padding-top: var(--header-offset, 120px) !important; /* Ensure mobile header offset */
    }

    .page-news__hero-title {
        font-size: 2em;
    }

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

    .page-news__hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-news__btn-primary,
    .page-news__btn-secondary,
    .page-news__btn-text,
    .page-news a[class*="button"],
    .page-news 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-news__hero-buttons,
    .page-news__cta-buttons,
    .page-news__button-group,
    .page-news__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
    }

    .page-news__latest-articles,
    .page-news__featured-video,
    .page-news__categories,
    .page-news__cta-section,
    .page-news__faq-section {
        padding: 40px 0;
    }

    .page-news__section-title {
        font-size: 1.8em;
    }

    .page-news__section-description {
        font-size: 0.95em;
    }

    .page-news__articles-grid,
    .page-news__categories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-news__article-card,
    .page-news__category-card {
        margin: 0 15px; /* Add horizontal padding to cards */
    }

    .page-news__video-wrapper {
        margin-left: 15px;
        margin-right: 15px;
    }

    .page-news__cta-title {
        font-size: 1.8em;
    }

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

    .page-news__faq-question {
        padding: 15px 20px;
    }

    .page-news__faq-question-text {
        font-size: 1.1em;
    }

    .page-news__faq-answer {
        padding: 0 20px;
    }

    .page-news__faq-item.active .page-news__faq-answer {
        padding: 10px 20px 20px 20px;
    }

    /* Mobile image responsive */
    .page-news img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    /* Mobile video responsive */
    .page-news video,
    .page-news__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-news__video-section,
    .page-news__video-container,
    .page-news__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    .page-news__section,
    .page-news__card,
    .page-news__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
}