/* ==========================================================================
   CryptoCNN - Header Styles (header.css)
   ========================================================================== */

/* 引入 Google Fonts - 例如 Inter 用于现代感 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- 基础重置和变量定义 (通常在 main.css 中，但这里先为 header 准备一些) --- */
:root {
    --bg-dark: #121212; /* 主背景深色 */
    --bg-dark-light: #1e1e1e; /* 稍亮的深色背景，用于卡片或区隔 */
    --text-light: #e0e0e0; /* 浅色文字 */
    --text-muted: #888; /* 灰色辅助文字 */
    --primary-color: #007bff; /* 主题蓝色，用于按钮、链接 */
    --accent-color: #00ffc8; /* 强调色，用于图表、高亮 */
    --red-negative: #dc3545; /* 下跌红色 */
    --green-positive: #28a745; /* 上涨绿色 */
    --border-color: #333; /* 边框颜色 */
    --border-radius: 8px; /* 圆角 */
    --font-family-sans: 'Inter', sans-serif;

    /* 新增的变量，用于统一颜色和样式 */
    --card-bg-color: var(--bg-dark-light); /* 卡片背景色与稍亮的深色背景一致 */
    --highlight-color: var(--text-light); /* 标题等高亮色与浅色文本一致 */
    --tag-bg-color: #3a3a3a; /* 标签背景色 */
}

/* --- 全局容器和基础按钮样式 (通常在 main.css 中，但这里先为 header 准备一些) --- */
.container {
    max-width: 1200px; /* 网站最大宽度 */
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-family-sans);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.btn-primary {
    background-color:#444;
    color: var(--text-light);
}

.btn-primary:hover {
    background-color: #0056b3;
}

/* 新增的 btn-secondary 样式 */
.btn-secondary {
    background-color: var(--tag-bg-color); /* 使用标签背景色作为次要按钮背景 */
    color: var(--text-light);
    padding: 8px 15px; /* 稍小一点 */
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--text-light); /* 悬停时文本颜色保持 */
}


.btn-login-signup {
    background-color: #333; /* 登录注册按钮的背景色 */
    color: var(--text-light);
    border: 1px solid var(--border-color);
    margin-left: 15px; /* 与其他元素的间距 */
}

.btn-login-signup:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-search,
.btn-more-options {
    background: none;
    color: var(--text-light);
    font-size: 18px;
    padding: 8px;
    border-radius: 50%; /* 圆形按钮 */
}

.btn-search:hover,
.btn-more-options:hover {
    background-color: #333;
}


/* --- Header 样式 --- */
.site-header {
    background-color: var(--bg-dark-light); /* 头部背景色 */
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2); /* 底部阴影 */
    position: sticky; /* 粘性头部 */
    top: 0;
    z-index: 1000; /* 确保头部在最上层 */
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 左侧 Logo 和国家标识 */
.header-left {
    display: flex;
    align-items: center;
}

.country-flag {
    font-size: 14px;
    color: var(--text-muted);
    margin-right: 15px;
    display: flex;
    align-items: center;
}
.country-flag::before {
    content: ''; /* 用于显示国旗 */
    display: inline-block;
    width: 24px;
    height: 16px;
    background-image: url('{dede:global.cfg_templets_skin/}/images/flag-usa.svg'); /* 假设你有国旗SVG */
    background-size: cover;
    margin-right: 5px;
}


.logo img {
    height: 44px; /* Logo 高度 */
    vertical-align: middle;
}

/* 主导航菜单 */
.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.main-nav li {
    margin: 0 15px;
}

.main-nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--accent-color); /* 鼠标悬停变色 */
}

/* 当前活动链接的下划线效果 */
.main-nav a.current-page::after,
.main-nav a:hover::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px; /* 下划线位置 */
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
    transform: scaleX(0); /* 默认隐藏 */
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

.main-nav a.current-page::after {
    transform: scaleX(1); /* 当前页面显示下划线 */
    transform-origin: bottom left;
}
.main-nav a:hover::after {
    transform: scaleX(1); /* 鼠标悬停显示下划线 */
    transform-origin: bottom left;
}


/* 右侧用户操作和搜索 */
.header-right {
    display: flex;
    align-items: center;
    gap: 10px; /* 按钮之间的间距 */
}


/* ==========================================================================
   Global Layout & Utility Styles (from main content)
   ========================================================================== */

body {
    font-family: var(--font-family-sans);
    background-color: var(--bg-dark); /* 全局背景色 */
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

/* Base grid layout for main content */
.main-grid {
    display: grid;
    grid-template-columns: 2.5fr 1fr; /* 左侧内容宽，右侧侧边栏窄 */
    gap: 30px; /* 网格间距 */
    padding: 40px 0;
}

.grid-left {
    /* 左侧主内容区域的样式 */
}

.grid-right {
    /* 右侧侧边栏的样式 */
}

.section-block {
    background-color: var(--card-bg-color); /* 区块背景色 */
    padding: 30px;
    border-radius: var(--border-radius);
    margin-bottom: 30px; /* 区块间距 */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.section-block h3 {
    color: var(--highlight-color);
    font-size: 1.8em;
    margin-top: 0;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-block h3 .fas {
    color: var(--text-muted);
    font-size: 0.8em;
    cursor: pointer;
}

/* News List Vertical (reused for sidebars) */
.news-list-vertical .news-item-compact {
    margin-bottom: 15px;
}

.news-list-vertical .news-item-compact:last-child {
    margin-bottom: 0;
}

.news-list-vertical .news-item-compact a {
    display: flex;
    align-items: flex-start;
    text-decoration: none;
    color: var(--text-light);
    transition: color 0.2s ease;
}

.news-list-vertical .news-item-compact a:hover {
    color: var(--primary-color);
}

.news-list-vertical .news-item-compact img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-right: 15px;
    flex-shrink: 0;
}

.news-list-vertical .news-item-compact .news-info {
    flex-grow: 1;
}

.news-list-vertical .news-item-compact h4 {
    margin: 0;
    font-size: 1em;
    line-height: 1.4;
    font-weight: 500;
}

.news-list-vertical .news-item-compact .date {
    display: block;
    font-size: 0.8em;
    color: var(--text-muted);
    margin-top: 5px;
}

/* Newsletter Signup (reused) */
.newsletter-signup p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.newsletter-signup form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.newsletter-signup input[type="email"] {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-size: 1em;
}

.newsletter-signup input[type="email"]::placeholder {
    color: var(--text-muted);
}

.newsletter-signup button {
    width: 100%;
    padding: 12px;
    font-size: 1em;
}


/* ==========================================================================
   News List Page Specific Styles
   ========================================================================== */

.page-hero-section {
    background-color: var(--bg-dark-light); /* 与头部背景一致 */
    padding: 60px 0 30px;
    text-align: center;
    color: var(--text-light);
}

.page-hero-section h1 {
    font-size: 3em;
    margin-bottom: 10px;
    color: var(--highlight-color);
}

.breadcrumbs {
    font-size: 0.9em;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--text-muted);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--primary-color);
}

.breadcrumbs .fas {
    margin: 0 8px;
    font-size: 0.7em;
    vertical-align: middle;
}

/* Horizontal Article Card for List Page */
.article-list .news-item-card.horizontal {
    display: flex;
    align-items: flex-start; /* Ensure items align to top */
    margin-bottom: 30px;
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform 0.2s ease-in-out;
}

.article-list .news-item-card.horizontal:hover {
    transform: translateY(-5px);
}

.article-list .news-item-card.horizontal .article-thumb {
    flex-shrink: 0; /* Prevent image from shrinking */
    width: 250px; /* Fixed width for the image */
    height: 180px; /* Fixed height for the image */
    overflow: hidden;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.article-list .news-item-card.horizontal .article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Cover the container without distortion */
    display: block;
}

.article-list .news-item-card.horizontal .article-info {
    padding: 20px;
    flex-grow: 1;
}

.article-list .news-item-card.horizontal h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.5em;
}

.article-list .news-item-card.horizontal h3 a {
    color: var(--text-light);
    text-decoration: none;
}

.article-list .news-item-card.horizontal h3 a:hover {
    color: var(--primary-color);
}

.article-list .news-item-card.horizontal .summary {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 15px;
}

.article-list .news-item-card.horizontal .article-meta {
    font-size: 0.85em;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.article-list .news-item-card.horizontal .article-meta span {
    margin-right: 15px;
}

.article-list .news-item-card.horizontal .article-meta .fas,
.article-list .news-item-card.horizontal .article-meta .far {
    margin-right: 5px;
    color: var(--primary-color);
}

/* Pagination */
.pagination-area {
    text-align: center;
    padding: 30px 0;
}

.pagination-area a {
    display: inline-block;
    padding: 10px 18px;
    margin: 0 5px;
    background-color: var(--card-bg-color);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
}

.pagination-area a:hover,
.pagination-area a.current {
    background-color: var(--primary-color);
    color: var(--bg-dark); /* 悬停时文本颜色与主背景色一致，形成对比 */
}

/* Tags Block */
.tags-block .tag-cloud a {
    display: inline-block;
    background-color: var(--tag-bg-color);
    color: var(--text-light);
    padding: 8px 15px;
    margin: 5px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9em;
    transition: background-color 0.2s ease-in-out;
}

.tags-block .tag-cloud a:hover {
    background-color: var(--primary-color);
    color: var(--bg-dark);
}


/* ==========================================================================
   Article Content Page Specific Styles
   ========================================================================== */
.article-hero-section {
    padding-top: 80px; /* More padding for content page hero */
    padding-bottom: 40px;
    text-align: left; /* Align text left */
}

.article-hero-section .article-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    line-height: 1.2;
}

.article-hero-section .article-meta {
    font-size: 1em;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.article-hero-section .article-meta span {
    margin-right: 25px;
}

.article-hero-section .article-meta .fas,
.article-hero-section .article-meta .far {
    margin-right: 8px;
    color: #eee;
}

.article-main-content .article-body {
    background-color: var(--card-bg-color);
    padding: 30px;
    border-radius: var(--border-radius);
    line-height: 1.8;
    font-size: 1.1em;
    color: var(--text-light);
}

.article-main-content .article-body h1, .article-main-content .article-body h2,
.article-main-content .article-body h3, .article-main-content .article-body h4 {
    color: var(--highlight-color);
    margin-top: 1.5em;
    margin-bottom: 0.8em;
}

.article-main-content .article-body p {
    margin-bottom: 1em;
}

.article-main-content .article-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: var(--border-radius);
}

/* Article Tags */
.article-tags {
    background-color: var(--card-bg-color);
    padding: 20px 30px;
    margin-top: 30px;
    border-radius: var(--border-radius);
    color: var(--text-light);
}

.article-tags span {
    font-weight: bold;
    margin-right: 10px;
}

.article-tags a {
    display: inline-block;
    background-color: var(--tag-bg-color);
    color: var(--text-light);
    padding: 5px 12px;
    margin: 5px 5px 5px 0;
    border-radius: 15px;
    text-decoration: none;
    font-size: 0.9em;
    transition: background-color 0.2s ease-in-out;
}

.article-tags a:hover {
    background-color: var(--primary-color);
    color: var(--bg-dark);
}

/* Prev/Next Articles */
.prev-next-articles {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    background-color: transparent; /* This block will contain two cards */
    padding: 0;
}

.prev-next-articles .prev-article,
.prev-next-articles .next-article {
    width: 48%; /* Adjust width as needed */
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: var(--border-radius);
    transition: transform 0.2s ease-in-out;
}

.prev-next-articles .prev-article:hover,
.prev-next-articles .next-article:hover {
    transform: translateY(-5px);
}

.prev-next-articles .prev-article {
    text-align: left;
}
.prev-next-articles .next-article {
    text-align: right;
}

.prev-next-articles .prev-article a,
.prev-next-articles .next-article a {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.1em;
    margin-top: 10px;
}
.prev-next-articles .prev-article a:hover,
.prev-next-articles .next-article a:hover {
    color: var(--primary-color);
}

.prev-next-articles span {
    display: block;
    font-size: 0.9em;
    color: var(--text-muted);
}

/* Related Articles */
.related-articles .news-list-horizontal {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

/* Ensure the main content area has proper margin-bottom if it's the last element */
.grid-left.article-main-content > *:last-child {
    margin-bottom: 0;
}


/* --- 响应式设计 (Media Queries) --- */
@media (max-width: 992px) {
    .main-nav {
        display: none; /* 在小屏幕上隐藏主导航，通常会用汉堡菜单代替 */
    }

    .header-inner {
        padding: 0 15px;
    }
    
    .header-left {
        width: auto; /* 自动宽度 */
        flex-grow: 1; /* 占据剩余空间 */
    }

    /* 在小屏幕上显示汉堡菜单按钮 */
    .header-right {
        gap: 5px;
    }
    .header-right .btn-login-signup {
        padding: 8px 12px;
        font-size: 13px;
    }
    /* 你可能需要在这里添加一个汉堡菜单按钮 */

    /* Adjust main grid for smaller screens */
    .main-grid {
        grid-template-columns: 1fr; /* 单列布局 */
        gap: 20px;
        padding: 20px 0;
    }

    .grid-left, .grid-right {
        padding: 0 15px; /* 内部填充 */
    }

    .section-block {
        margin-bottom: 20px;
        padding: 20px;
    }

    .section-block h3 {
        font-size: 1.5em;
        margin-bottom: 15px;
    }

    /* Adjust horizontal article card for smaller screens */
    .article-list .news-item-card.horizontal {
        flex-direction: column; /* 垂直堆叠 */
        align-items: center;
    }

    .article-list .news-item-card.horizontal .article-thumb {
        width: 100%;
        height: 200px; /* 调整图片高度 */
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }

    .article-list .news-item-card.horizontal .article-info {
        padding: 15px;
        text-align: center;
    }

    .article-list .news-item-card.horizontal h3 {
        font-size: 1.3em;
    }

    .article-list .news-item-card.horizontal .btn-secondary {
        margin-top: 10px;
    }

    .prev-next-articles {
        flex-direction: column; /* 垂直堆叠 */
        gap: 20px;
    }
    .prev-next-articles .prev-article,
    .prev-next-articles .next-article {
        width: 100%;
        text-align: center;
    }

    .article-hero-section .article-title {
        font-size: 2.5em;
    }
    .article-hero-section .article-meta span {
        margin-right: 15px;
    }
    .article-tags a {
        padding: 8px 12px; /* 调整标签大小 */
        font-size: 0.8em;
    }
}

@media (max-width: 768px) {
    .country-flag {
        display: none; /* 在更小屏幕上隐藏国旗 */
    }
    .logo img {
        height: 25px; /* 更小屏幕上 Logo 稍小 */
    }
    .btn-search,
    .btn-more-options {
        font-size: 16px;
        padding: 6px;
    }
    
    .page-hero-section h1 {
        font-size: 2.5em;
    }

    .article-list .news-item-card.horizontal .article-thumb {
        height: 150px;
    }
}

@media (max-width: 480px) {
    .page-hero-section h1,
    .article-hero-section .article-title {
        font-size: 2em;
    }

    .article-list .news-item-card.horizontal .article-info {
        padding: 10px;
    }

    .article-list .news-item-card.horizontal h3 {
        font-size: 1.1em;
    }

    .article-main-content .article-body {
        padding: 15px;
        font-size: 1em;
    }

    .article-main-content .article-body h1, .article-main-content .article-body h2,
    .article-main-content .article-body h3, .article-main-content .article-body h4 {
        font-size: 1.2em; /* 更小的标题 */
    }

    .newsletter-signup input[type="email"],
    .newsletter-signup button {
        padding: 10px;
        font-size: 0.9em;
    }

    .related-articles .news-list-horizontal {
        grid-template-columns: 1fr; /* 单列布局 */
    }
}
.flash-news-list-page .grid-left {
    /* 针对快讯页左侧内容区域的调整，例如可以稍微紧凑一点 */
}

.flash-news-list {
    /* 整个快讯列表区块的样式 */
}

.flash-news-list .flash-news-item {
    padding: 15px 20px; /* 增加内边距 */
    margin-bottom: 10px; /* 减小间距 */
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease-in-out, transform 0.2s ease-in-out;
    display: block; /* 确保整个article是块级元素 */
}

.flash-news-list .flash-news-item:hover {
    background-color: #353535; /* 悬停时稍微变亮 */
    transform: translateY(-3px); /* 轻微上浮效果 */
}

.flash-news-list .flash-news-item a {
    display: flex; /* 内部flex布局 */
    align-items: center; /* 垂直居中 */
    text-decoration: none;
    color: var(--text-light);
}

.flash-news-list .flash-news-item .news-info {
    flex-grow: 1; /* 占据剩余空间 */
    display: flex;
    flex-direction: column; /* 标题和日期垂直堆叠 */
}

.flash-news-list .flash-news-item h4 {
    margin: 0;
    font-size: 1.1em; /* 稍大一点的标题 */
    line-height: 1.5;
    font-weight: 600; /* 标题更粗 */
    color: var(--highlight-color);
    transition: color 0.2s ease;
}

.flash-news-list .flash-news-item:hover h4 {
    color: var(--primary-color); /* 悬停时标题变色 */
}

.flash-news-list .flash-news-item .date {
    display: block;
    font-size: 0.85em; /* 日期稍大 */
    color: var(--text-muted);
    margin-top: 5px;
    font-weight: 400;
}

.flash-news-list .flash-news-item .date .far {
    margin-right: 5px;
    color: var(--primary-color); /* 日期图标颜色 */
}

/* 如果需要显示快讯描述，可以取消注释并调整 */
/* .flash-news-list .flash-news-item .summary {
    color: var(--text-muted);
    font-size: 0.9em;
    margin-top: 10px;
    line-height: 1.5;
} */


/* --- 响应式设计 (Media Queries) --- */
@media (max-width: 992px) {
    /* ... (之前的响应式代码) ... */

    .flash-news-list .flash-news-item {
        padding: 12px 15px;
    }
    .flash-news-list .flash-news-item h4 {
        font-size: 1em;
    }
    .flash-news-list .flash-news-item .date {
        font-size: 0.8em;
    }
}

@media (max-width: 768px) {
    /* ... (之前的响应式代码) ... */
}

@media (max-width: 480px) {
    /* ... (之前的响应式代码) ... */
    .flash-news-list .flash-news-item {
        padding: 10px 12px;
    }
    .flash-news-list .flash-news-item h4 {
        font-size: 0.95em;
    }
    .flash-news-list .flash-news-item .date {
        font-size: 0.75em;
    }
}