/* ============================================================
 * Richitek 新闻列表页 (lists_article.htm) 专用样式
 * 结构：右侧新闻图文列表 + 左侧栏（分类 / Latest News）
 * 布局：流式 Flex，无绝对定位，移动端自适应
 * ============================================================ */

/* ---------- 变量 ---------- */
.rtk-la-layout {
    --la-font: Source Han Sans, Geneva, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --la-primary: #0066cc;
    --la-primary-light: #00a8ff;
    --la-text: #333;
    --la-text-sub: #777;
}

/* ---------- 面包屑：与 1680px 布局容器同宽对齐（ID 选择器压过 header.css 后加载的同权重规则） ---------- */
#smv_AreaMainWrapper .rtk-crumb-row {
    max-width: 1680px;
    padding-left: 24px;
    padding-right: 24px;
}

/* ---------- PC 端布局 ---------- */
.rtk-la-layout {
    max-width: 1680px;
    margin: 0 auto;
    padding: 24px 24px 48px;
    display: flex;
    align-items: flex-start;
    gap: 28px;
    font-family: var(--la-font);
}

/* 右侧主体（新闻列表） */
.rtk-la-main {
    flex: 1 1 auto;
    min-width: 0;
}

/* 左侧栏 */
.rtk-la-side {
    flex: 0 0 300px;
    min-width: 0;
}

/* ---------- 页面标题 ---------- */
.rtk-la-title {
    font-family: var(--la-font);
    font-size: 26px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.35;
    margin: 0 0 24px;
    padding-bottom: 14px;
    border-bottom: 2px solid #eef2f7;
    position: relative;
}

.rtk-la-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 64px;
    height: 2px;
    background: linear-gradient(90deg, var(--la-primary), var(--la-primary-light));
}

/* ---------- 新闻图文列表 ---------- */
.rtk-la-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.rtk-la-item {
    display: flex;
    gap: 20px;
    background: #fff;
    border: 1px solid #eef2f7;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.3s;
}

.rtk-la-item:hover {
    transform: translateY(-4px);
    border-color: transparent;
    box-shadow: 0 12px 32px rgba(0, 102, 204, 0.18);
}

/* 缩略图 */
.rtk-la-pic {
    flex: 0 0 280px;
    display: block;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background: #f5f8fc;
}

.rtk-la-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* 文字区 */
.rtk-la-body {
    flex: 1 1 auto;
    min-width: 0;
    padding: 16px 20px 14px 0;
    display: flex;
    flex-direction: column;
}

.rtk-la-name {
    margin: 0;
    font-family: var(--la-font);
    font-size: 17px;
    font-weight: 600;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.rtk-la-name a {
    color: var(--la-text);
    text-decoration: none;
    transition: color 0.2s;
}

.rtk-la-item:hover .rtk-la-name a,
.rtk-la-name a:hover {
    color: var(--la-primary);
}

.rtk-la-desc {
    margin: 8px 0 0;
    font-size: 14px;
    color: var(--la-text-sub);
    line-height: 1.7;
}

.rtk-la-meta {
    margin-top: auto;
    padding-top: 10px;
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: #999;
}

.rtk-la-views::before {
    content: 'Views: ';
}

/* ---------- 分页 ---------- */
.rtk-la-pager {
    margin-top: 32px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px;
    list-style: none;
    font-family: var(--la-font);
}

.rtk-la-pager li {
    list-style: none;
}

.rtk-la-pager li a {
    display: inline-block;
    min-width: 34px;
    height: 34px;
    line-height: 32px;
    padding: 0 12px;
    text-align: center;
    font-size: 13px;
    color: #555;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 17px;
    text-decoration: none;
    transition: all 0.2s;
    box-sizing: border-box;
}

.rtk-la-pager li a:hover,
#smv_AreaMainWrapper .rtk-la-pager li a:hover {
    color: #fff !important;
    background: var(--la-primary);
    border-color: var(--la-primary);
}

.rtk-la-pager li.active a {
    color: #fff;
    background: linear-gradient(135deg, #29a3e0, var(--la-primary));
    border-color: var(--la-primary);
    font-weight: 600;
}

/* ---------- 左侧栏 ---------- */
.rtk-la-block {
    background: #fff;
    border: 1px solid #eef2f7;
    border-radius: 8px;
    padding: 18px 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.rtk-la-block + .rtk-la-block {
    margin-top: 20px;
}

.rtk-la-head {
    margin: 0 0 14px;
    padding-bottom: 10px;
    font-family: var(--la-font);
    font-size: 17px;
    font-weight: 700;
    color: #1a1a1a;
    border-bottom: 2px solid #eef2f7;
    position: relative;
}

.rtk-la-head::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--la-primary), var(--la-primary-light));
}

/* 分类列表 */
.rtk-la-cats {
    list-style: none;
    margin: 0;
    padding: 0;
}

.rtk-la-cats li {
    padding: 9px 0;
    border-bottom: 1px dashed #eef2f7;
}

.rtk-la-cats li:last-child {
    border-bottom: 0;
}

.rtk-la-cats li a {
    display: block;
    font-size: 14px;
    color: var(--la-text);
    text-decoration: none;
    transition: color 0.2s, padding-left 0.2s;
}

.rtk-la-cats li a::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--la-primary-light);
    margin-right: 8px;
    vertical-align: 2px;
    transition: background 0.2s;
}

.rtk-la-cats li a:hover,
.rtk-la-cats li.active a {
    color: var(--la-primary);
    padding-left: 4px;
}

.rtk-la-cats li.active a::before {
    background: var(--la-primary);
}

/* 栏目无子分类时的简介文字 */
.rtk-la-sideintro {
    margin: 0;
    font-size: 13px;
    color: var(--la-text-sub);
    line-height: 1.7;
}

/* Latest News 列表 */
.rtk-la-news {
    list-style: none;
    margin: 0;
    padding: 0;
}

.rtk-la-newsitem {
    padding: 10px 0;
    border-bottom: 1px dashed #eef2f7;
}

.rtk-la-newsitem:last-child {
    border-bottom: 0;
}

.rtk-la-newsdate {
    display: block;
    font-size: 12px;
    color: #aaa;
    margin-bottom: 3px;
}

.rtk-la-newstitle {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.5;
    color: var(--la-text);
    text-decoration: none;
    transition: color 0.2s;
}

.rtk-la-newstitle:hover {
    color: var(--la-primary);
}

/* ---------- 响应式（PC 端窄屏 / 平板，≤1000px 由移动端模板接管） ---------- */
@media (max-width: 1400px) {
    .rtk-la-pic {
        flex: 0 0 240px;
    }
}

@media (max-width: 1180px) {
    .rtk-la-layout {
        gap: 20px;
        padding: 20px 16px 40px;
    }

    .rtk-la-side {
        flex: 0 0 240px;
    }

    .rtk-la-title {
        font-size: 22px;
    }

    .rtk-la-pic {
        flex: 0 0 200px;
    }

    .rtk-la-name {
        font-size: 16px;
    }
}

@media (max-width: 1080px) {
    .rtk-la-pic {
        flex: 0 0 170px;
    }

    .rtk-la-body {
        padding: 12px 14px 12px 0;
    }

}

/* ============================================================
 * 移动端适配（≤1000px，与全站 pc-show/mobile-show 切换断点一致）
 * 单套代码响应式：隐藏侧栏，图文列表转为 2 列卡片网格（视觉对齐原移动端区块）
 * ============================================================ */
@media (max-width: 1000px) {
    /* 轮播图高度适配（特异性对齐 banner.css 的 div.pc-banners 前缀） */
    div.pc-banners .carousel-container {
        height: 340px;
    }

    /* 布局：隐藏侧边栏，主体单列全宽 */
    .rtk-la-layout {
        display: block;
        padding: 14px 12px 32px;
    }

    .rtk-la-side {
        display: none !important;
    }

    .rtk-la-title {
        font-size: 20px;
        margin: 6px 0 14px;
        padding-bottom: 10px;
    }

    .rtk-la-title::after {
        width: 48px;
    }

    /* 图文列表转为 2 列卡片网格（参数取自原 rtk-lam-grid） */
    .rtk-la-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .rtk-la-item {
        display: block;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    }

    .rtk-la-item:hover {
        transform: none;
    }

    .rtk-la-pic {
        flex: none;
        width: 100%;
        aspect-ratio: 3 / 2;
    }

    .rtk-la-body {
        padding: 0 0 10px;
    }

    .rtk-la-name {
        font-size: 13px;
        padding: 8px 10px 4px;
    }

    .rtk-la-body {
        padding: 0 0 10px;
    }

    .rtk-la-desc {
        margin: 6px 10px 0;
        font-size: 12px;
        line-height: 1.55;
    }

    .rtk-la-meta {
        padding: 0 10px 10px;
        gap: 8px;
        font-size: 11px;
    }

    .rtk-la-views {
        display: none;
    }

    /* 分页：参数取自原 rtk-lam-pager */
    .rtk-la-pager {
        margin-top: 20px;
        gap: 6px;
    }

    .rtk-la-pager li a {
        min-width: 30px;
        height: 30px;
        line-height: 28px;
        padding: 0 10px;
        font-size: 12px;
        border-radius: 15px;
    }
}

@media (max-width: 360px) {
    .rtk-la-list {
        gap: 8px;
    }

    .rtk-la-name {
        font-size: 12px;
    }
}