/* 轮播Banner */
.slider {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    z-index: 1;
}
.slider-wrap {
    width: 100%;
    height: 100%;
    display: flex;
}
.slider-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 面包屑 */
.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 30px;
    font-size: 14px;
    color: #666;
}
.breadcrumb a {
    color: #666;
}
.breadcrumb span {
    margin: 0 5px;
}

/* 主体容器：左详情 + 右侧边栏 */
.detail-container {
    max-width: 1200px;
    margin: 0 auto 60px;
    padding: 0 30px;
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

/* 左侧新闻详情 */
.main-detail {
    flex: 1;
}
.news-title {
    font-size: 26px;
    font-weight: 500;
    color: #333;
    text-align: center;
    margin: 20px 0 15px;
    line-height: 1.5;
}
.news-meta {
    text-align: center;
    font-size: 14px;
    color: #999;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}
.news-content {
    font-size: 16px;
    line-height: 1.9;
    color: #444;
}
.news-content p {
    margin-bottom: 20px;
}
.news-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
    margin: 0 auto;
}
.page-turn {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-size: 15px;
}
.page-turn a {
    display: block;
    margin: 8px 0;
    color: #666;
}
.page-turn a:hover {
    color: #c00;
}

/* 右侧侧边栏 */
.sidebar {
    width: 260px;
    flex-shrink: 0;
}
.side-search {
    width: 100%;
    height: 36px;
    padding: 0 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 25px;
    outline: none;
}
.side-box {
    margin-bottom: 30px;
}
.side-tit {
    font-size: 16px;
    color: #333;
    padding-bottom: 10px;
    border-bottom: 2px solid #999;
    margin-bottom: 15px;
}
.side-news-list {
    list-style: none;
}
.side-news-list li {
    padding: 10px 0;
    border-bottom: 1px dashed #eee;
}
.side-news-list li a {
    font-size: 14px;
    color: #666;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.side-news-list li a:hover {
    color: #c00;
}

/* 二级导航栏 */
.sub-nav {
    background: #f0f0f0;
    padding: 12px 5%;
    display: flex;
    gap: 30px;
    font-size: 14px;
    color: #333;
    overflow-x: auto;
    white-space: nowrap;
}
.sub-nav-item {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}
.sub-nav-item.active {
    color: #0066cc;
}

/* ======================
   手机自适应（完美适配）
====================== */
@media (max-width: 768px) {
    /* 面包屑手机边距 */
    .breadcrumb {
        padding: 12px 15px;
        font-size: 13px;
    }

    /* 主体布局：手机端竖排 */
    .detail-container {
        flex-direction: column;
        padding: 0 15px;
        gap: 25px;
    }

    /* 标题手机缩小 */
    .news-title {
        font-size: 20px;
        text-align: left;
        margin: 10px 0 12px;
    }

    /* 内容手机边距 */
    .news-content {
        font-size: 15px;
        line-height: 1.8;
    }

    /* 右侧栏手机全屏 */
    .sidebar {
        width: 100%;
    }

    /* 二级导航手机可横向滑动 */
    .sub-nav {
        padding: 10px 15px;
        gap: 20px;
    }
}