/**
 * 绿鸟软件 - 新闻详情页面专用样式
 * 
 * 本文件包含所有与新闻详情页面相关的特定样式：
 * - 文章头部
 * - 文章内容
 * - 分享工具
 * - 相关文章
 * - 评论区域
 * - 响应式设计调整
 */

/* 全局变量 */
:root {
    --primary-color: #2ecc71;
    --secondary-color: #27ae60;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-color: #333;
    --gray-color: #95a5a6;
    --gray-light: #f7f9fc;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    --card-hover-shadow: 0 10px 25px rgba(46, 204, 113, 0.15);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-radius: 12px;
}

/* 文章内容区域 */
.article-content {
    padding: 120px 0 60px;
    background-color: var(--gray-light);
    position: relative;
}

.article-content .container {
    max-width: 100%;
    padding: 0;
}

.article-layout {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* 文章头部信息样式 */
.article-header-info {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    position: relative;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    padding: 40px 40px 30px;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.03);
    overflow: hidden;
    width: 100%;
    margin-bottom: 0;
    z-index: 2;
}

.article-header-info::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.2);
}

.breadcrumb {
    margin-bottom: 25px;
    display: flex;
    gap: 5px;
    align-items: center;
    font-size: 0.95rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb a.active {
    color: white;
    font-weight: 600;
}

.article-tag {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.article-tag.tech {
    background-color: rgba(52, 152, 219, 0.2);
    border-color: rgba(52, 152, 219, 0.4);
}

.article-header-info h1 {
    font-size: 2.8rem;
    line-height: 1.3;
    margin-bottom: 25px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.meta-item {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

.meta-item i {
    margin-right: 8px;
}

/* 文章主体样式 */
.article-main {
    background-color: white;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    position: relative;
    width: 100%;
    margin-top: -1px;
    z-index: 1;
}

.article-text {
    padding: 40px;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.article-text h2 {
    font-size: 1.8rem;
    margin: 35px 0 20px;
    color: var(--dark-color);
    font-weight: 600;
}

.article-text h3 {
    font-size: 1.4rem;
    margin: 30px 0 15px;
    color: var(--dark-color);
    font-weight: 600;
}

.article-text p {
    margin-bottom: 20px;
    line-height: 1.7;
}

.article-text ul,
.article-text ol {
    margin-bottom: 25px;
    padding-left: 25px;
}

.article-text li {
    margin-bottom: 10px;
}

.article-text strong {
    color: var(--dark-color);
    font-weight: 600;
}

.article-highlight {
    background-color: rgba(46, 204, 113, 0.08);
    border-left: 4px solid var(--primary-color);
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.article-highlight p {
    margin-bottom: 0;
    font-style: italic;
    color: var(--dark-color);
}

/* 文章页脚区域 */
.article-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.07);
    padding: 30px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.article-tags span {
    color: var(--dark-color);
    font-weight: 500;
}

.article-tags a {
    display: inline-block;
    padding: 6px 15px;
    background-color: var(--gray-light);
    border-radius: 20px;
    color: var(--gray-color);
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.article-tags a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 12px;
}

.article-share span {
    color: var(--dark-color);
    font-weight: 500;
}

.share-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.share-icon i {
    font-size: 1.1rem;
}

.share-icon:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* 返回按钮 */
.back-to-list {
    padding: 0 40px 40px;
}

.back-to-list .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 25px;
    background-color: var(--gray-light);
    color: var(--dark-color);
    border-radius: 30px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.back-to-list .btn-secondary:hover {
    background-color: var(--dark-color);
    color: white;
    transform: translateY(-2px);
}

/* CTA区域样式 */
.cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 100px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 35px;
    opacity: 0.9;
}

.cta .btn-primary {
    background-color: white;
    color: var(--primary-color);
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.cta .btn-primary:hover {
    background-color: var(--dark-color);
    color: white;
    transform: translateY(-5px);
}

/* 响应式调整 */
@media (max-width: 991px) {
    .article-content {
        padding: 100px 0 60px;
    }
    
    .article-layout {
        max-width: 95%;
        padding: 0;
    }
    
    .article-header-info {
        padding: 30px 30px 25px;
    }
    
    .article-header-info h1 {
        font-size: 2.4rem;
    }
    
    .article-text {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .article-content {
        padding: 90px 0 50px;
    }
    
    .article-layout {
        max-width: 95%;
        padding: 0;
    }
    
    .article-header-info {
        padding: 25px 25px 20px;
    }
    
    .article-header-info h1 {
        font-size: 2.2rem;
    }
    
    .article-meta {
        gap: 15px;
    }
    
    .article-text {
        padding: 25px;
        font-size: 1rem;
    }
    
    .article-text h2 {
        font-size: 1.6rem;
    }
    
    .article-text h3 {
        font-size: 1.3rem;
    }
    
    .article-footer {
        padding: 25px;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .back-to-list {
        padding: 0 25px 25px;
    }
}

@media (max-width: 576px) {
    .article-layout {
        max-width: 95%;
        padding: 0;
    }
    
    .article-header-info {
        padding: 20px 20px 15px;
    }
    
    .article-header-info h1 {
        font-size: 1.8rem;
    }
    
    .article-text {
        padding: 20px;
    }
    
    .article-text h2 {
        font-size: 1.4rem;
    }
    
    .article-text h3 {
        font-size: 1.2rem;
    }
    
    .article-highlight {
        padding: 15px 20px;
    }
}