:root {
    --primary-color: #1890ff;
    --secondary-color: #096dd9;
    --accent-color: #40a9ff;
    --text-color: #333333;
    --light-text: #ffffff;
    --dark-bg: #001529;
    --light-bg: #f0f2f5;
    --border-color: #e8e8e8;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    --hover-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    --border-radius: 4px;
    --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}
/* 新闻详情页通用样式 */
.article-hero {
    height: 40vh;
    min-height: 300px;
    background-size: cover;
    background-position: center;
    position: relative;
    margin-top: 0;
}

.article-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.article-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: #fff;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.article-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-content {
    padding: 60px 0;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.article-body p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: var(--text-color);
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 30px 0;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
    padding: 0 20px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.back-action {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 10px;
}

.back-button {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 25px;
    border-radius: var(--border-radius);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    font-weight: 500;
}

.back-button:hover {
    background: var(--primary-color);
    color: var(--light-text);
    box-shadow: var(--hover-shadow);
    transform: translateY(-2px);
}

.back-button i {
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .article-hero-content h1 {
        font-size: 2rem;
    }

    .article-meta {
        flex-direction: column;
        gap: 10px;
    }

    .gallery {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .back-button {
        top: 10px;
        left: 10px;
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}