/* ==========================================================
 * trending.css —— 热点信息流模块专属样式
 * 主题色：橙色 #f97316
 * 说明：所有类名以 trending- / ad-slot 开头隔离
 * ========================================================== */

/* ========== 1. Hero ========== */
.trending-hero-card {
    margin: 0 0 16px;
    padding: 48px 40px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(249,115,22,0.18), rgba(249,115,22,0.04));
    position: relative;
    overflow: hidden;
}
.trending-hero-card::before {
    content: '';
    position: absolute;
    right: -40px; top: -40px;
    width: 180px; height: 180px;
    background: radial-gradient(circle, rgba(249,115,22,0.35), transparent 70%);
    pointer-events: none;
}
.trending-hero-inner { text-align: center; position: relative; }
.trending-hero-icon { font-size: 52px; margin-bottom: 12px; }
.trending-hero-title {
    font-size: 40px; font-weight: 800;
    margin: 0 0 8px;
    letter-spacing: 2px;
    color: var(--quote-accent-dark, #c2410c);
}
.trending-hero-subtitle {
    font-size: 15px; color: var(--cf-muted, #6b7280);
    margin: 0;
}

/* ========== 2. 筛选栏 ========== */
.trending-filter-bar {
    margin: 0 0 16px;
    padding: 20px 24px;
    border-radius: 18px;
}
.trending-filter-row {
    display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
    padding: 8px 0;
}
.trending-filter-row + .trending-filter-row {
    border-top: 1px dashed rgba(249,115,22,0.15);
}
.trending-cat-links, .trending-sort-links {
    display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
}
.trending-cat-links { flex: 1; }
.trending-cat-link, .trending-sort-link {
    display: inline-flex; align-items: center;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13.5px;
    text-decoration: none;
    color: #374151;
    background: rgba(249,115,22,0.05);
    transition: all .2s;
    border: 1px solid transparent;
}
.trending-cat-link:hover, .trending-sort-link:hover {
    background: rgba(249,115,22,0.12);
    color: #c2410c;
}
.trending-cat-link.active, .trending-sort-link.active {
    background: #f97316; color: #fff !important;
    border-color: #ea580c;
    box-shadow: 0 2px 8px rgba(249,115,22,0.35);
}
.trending-sort-link.hot-link {
    background: linear-gradient(135deg,#f97316,#ef4444);
    color: #fff !important;
    font-weight: 600;
}

/* 搜索 */
.trending-search-row {
    display: flex; align-items: center; gap: 14px;
    margin-top: 10px;
}
.trending-search-wrap {
    position: relative;
    flex: 0 1 420px;
}
.trending-search-input {
    width: 100%;
    padding: 10px 44px 10px 16px;
    border-radius: 999px;
    border: 1px solid rgba(249,115,22,0.25);
    outline: none;
    font-size: 14px;
    background: rgba(249,115,22,0.03);
    transition: border-color .2s;
}
.trending-search-input:focus {
    border-color: #f97316;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
}
.trending-search-btn {
    position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
    width: 34px; height: 34px;
    border: none; border-radius: 50%;
    background: #f97316; color: #fff;
    cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
}
.trending-total {
    font-size: 13px; color: var(--cf-muted, #6b7280);
    margin-left: auto;
}
.trending-total strong { color: #c2410c; font-weight: 700; }

/* ========== 3. 双栏主网格 ========== */
.trending-main-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 20px;
    padding: 20px 28px 0;
}
@media (max-width: 960px) {
    .trending-main-grid { grid-template-columns: 1fr; padding: 16px 14px 0; }
}
@media (max-width: 960px) {
    .trending-hero-card { margin: 0 0 12px; padding: 32px 20px; }
    .trending-hero-title { font-size: 28px; }
    .trending-filter-bar { margin: 0 0 12px; padding: 16px; }
}

/* ========== 4. 信息流卡片 ========== */
.trending-left-col { display: flex; flex-direction: column; gap: 14px; }

.trending-info-card {
    border-radius: 16px;
    overflow: hidden;
    transition: transform .2s, box-shadow .2s, border-color .2s;
    border: 1px solid transparent;
}
.trending-info-card:hover {
    transform: translateY(-2px);
    border-color: rgba(249,115,22,0.35);
    box-shadow: 0 10px 30px rgba(249,115,22,0.08);
}
.trending-info-link {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 20px;
    padding: 18px;
    text-decoration: none;
    color: inherit;
}
@media (max-width: 640px) {
    .trending-info-link { grid-template-columns: 1fr; gap: 12px; }
}
.trending-info-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(249,115,22,0.06);
}
.trending-info-thumb img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
}
.trending-thumb-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 48px;
    background: linear-gradient(135deg, rgba(249,115,22,0.15), rgba(249,115,22,0.02));
}
.trending-info-body { display: flex; flex-direction: column; min-width: 0; }
.trending-info-badges {
    display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px;
}
.trending-badge {
    display: inline-flex; align-items: center;
    padding: 3px 10px; border-radius: 999px;
    font-size: 12px;
    line-height: 1.4;
}
.trending-badge-cat { background: rgba(249,115,22,0.1); color: #c2410c; }
.trending-badge-hot { background: #ef4444; color: #fff; }
.trending-badge-sticky { background: #10b981; color: #fff; }

.trending-info-title {
    font-size: 18px; font-weight: 700;
    margin: 0 0 8px;
    color: #111827;
    line-height: 1.45;
    transition: color .2s;
}
.trending-info-card:hover .trending-info-title { color: #ea580c; }
.trending-info-summary {
    font-size: 13.5px;
    color: var(--cf-muted, #6b7280);
    margin: 0 0 12px;
    line-height: 1.75;
}
.trending-info-meta {
    display: flex; flex-wrap: wrap; gap: 14px;
    font-size: 12.5px;
    color: #9ca3af;
    margin-top: auto;
}

/* ========== 5. 分页 ========== */
.trending-page-wrap {
    padding: 12px 0;
}
.trending-page-wrap nav, .trending-page-wrap .pagination,
.quote-page-wrap nav, .quote-page-wrap .pagination {
    display: flex !important; justify-content: center; gap: 6px;
    list-style: none; padding: 0; margin: 0;
}
.trending-page-wrap li, .quote-page-wrap li { list-style: none; }
.trending-page-wrap li a, .trending-page-wrap li span,
.quote-page-wrap li a, .quote-page-wrap li span {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 36px; height: 36px;
    padding: 0 12px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid rgba(249,115,22,0.15);
    color: #374151;
    text-decoration: none;
    font-size: 13.5px;
    transition: all .2s;
}
.trending-page-wrap li.active span, .quote-page-wrap li.active span,
.trending-page-wrap li a:hover, .quote-page-wrap li a:hover {
    background: #f97316; color: #fff;
    border-color: #ea580c;
}

/* ========== 6. 右侧栏 ========== */
.trending-right-col, .quote-right-col {
    display: flex; flex-direction: column; gap: 16px;
}
.trending-side-card, .quote-side-card {
    padding: 20px 22px;
    border-radius: 16px;
}
.trending-side-title, .quote-side-title {
    font-size: 15px; font-weight: 700;
    margin: 0 0 14px;
    color: #111827;
    display: flex; align-items: center; gap: 6px;
}

/* 热榜 */
.trending-hot-ol {
    list-style: none; margin: 0; padding: 0;
    display: flex; flex-direction: column; gap: 2px;
}
.trending-hot-li {
    display: grid;
    grid-template-columns: 24px 1fr auto;
    gap: 10px; align-items: center;
    padding: 8px 6px;
    border-radius: 10px;
    transition: background .2s;
}
.trending-hot-li:hover { background: rgba(249,115,22,0.06); }
.trending-hot-idx {
    width: 22px; height: 22px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700;
    color: #9ca3af;
    background: #f3f4f6;
    border-radius: 6px;
}
.trending-hot-idx.top3 {
    background: linear-gradient(135deg,#f97316,#ef4444);
    color: #fff;
}
.trending-hot-title {
    font-size: 13.5px;
    color: #374151;
    text-decoration: none;
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.trending-hot-title:hover { color: #ea580c; }
.trending-hot-views {
    font-size: 11.5px; color: #9ca3af;
}
.trending-side-more {
    display: inline-block;
    margin-top: 10px;
    font-size: 12.5px;
    color: #ea580c;
    text-decoration: none;
    float: right;
}

/* 小编精选 */
.trending-picks { display: flex; flex-direction: column; gap: 10px; }
.trending-pick-card {
    display: block; padding: 12px 14px;
    border-radius: 12px;
    background: rgba(249,115,22,0.04);
    text-decoration: none; color: inherit;
    border: 1px solid transparent;
    transition: all .2s;
}
.trending-pick-card:hover {
    background: rgba(249,115,22,0.08);
    border-color: rgba(249,115,22,0.2);
}
.trending-pick-title {
    font-size: 14px; font-weight: 600; color: #111827;
    margin: 0 0 4px; line-height: 1.5;
}
.trending-pick-desc {
    font-size: 12.5px; color: #6b7280; line-height: 1.6;
    margin: 0;
}

/* ========== 7. 通用空态 ========== */
.trending-empty, .quote-empty {
    margin: 20px 0 0;
    padding: 56px 40px;
    border-radius: 20px;
    text-align: center;
}
.empty-icon { font-size: 56px; margin-bottom: 14px; }
.empty-title { font-size: 22px; font-weight: 700; margin: 0 0 10px; color: #111827; }
.empty-desc {
    font-size: 14px; color: var(--cf-muted, #6b7280);
    line-height: 1.8; max-width: 560px; margin: 0 auto 24px;
}
.empty-steps {
    display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
    max-width: 480px; margin: 0 auto 24px;
    padding: 18px 22px;
    background: rgba(249,115,22,0.04);
    border-radius: 14px;
    text-align: left;
}
.step-item {
    display: flex; align-items: center; gap: 10px;
    font-size: 13.5px;
    color: #374151;
}
.step-no {
    width: 22px; height: 22px; border-radius: 50%;
    background: #f97316; color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; flex-shrink: 0;
}
.empty-back-btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 24px;
    border-radius: 999px;
    background: #f97316; color: #fff !important;
    text-decoration: none;
    font-size: 14px; font-weight: 500;
    transition: all .2s;
}
.empty-back-btn:hover { background: #ea580c; transform: translateY(-1px); }
.empty-back-btn.alt { background: #fff; color: #374151 !important; border: 1px solid #e5e7eb; }
.empty-back-btn.alt:hover { background: #f3f4f6; }
.empty-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.trending-empty-mini, .quote-empty-mini {
    padding: 16px;
    text-align: center;
    color: #9ca3af;
    font-size: 13px;
}

/* ========== 8. 广告位占位 ========== */
.ad-slot {
    border: 2px dashed rgba(249,115,22,0.3);
    background: rgba(249,115,22,0.04);
    border-radius: 10px;
    padding: 18px;
    text-align: center;
    color: #c2410c;
    margin: 12px 0;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .5px;
    position: relative;
}
.ad-slot::before {
    content: "📢 广告位";
    display: block;
    font-size: 11.5px;
    color: rgba(194, 65, 12, 0.7);
    letter-spacing: 2px;
    margin-bottom: 6px;
    text-transform: uppercase;
    opacity: .75;
}
.ad-slot-banner {
    margin: 0 0 16px;
    padding: 24px;
    border-radius: 14px;
}
.ad-slot-inline {
    margin: 4px 0;
}
.ad-slot-inline-small {
    padding: 14px;
    font-size: 12.5px;
    margin: 18px 0;
}
.ad-slot-side {
    padding: 30px 18px;
    min-height: 200px;
    display: flex; align-items: center; justify-content: center;
}
@media (max-width: 960px) {
    .ad-slot-banner { margin: 0 0 12px; }
}

/* ========== 9. 详情页 ========== */
.trending-topbar {
    margin: 0 0 16px;
    padding: 12px 22px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 10px;
}
.trending-back {
    color: #6b7280; text-decoration: none;
    font-size: 14px;
    transition: color .2s;
}
.trending-back:hover { color: #ea580c; }
.trending-top-actions { display: flex; gap: 8px; }
.trending-top-btn {
    display: inline-flex; align-items: center;
    padding: 6px 14px;
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626; font-weight: 500;
    border-radius: 999px;
    text-decoration: none; font-size: 13px;
}

.trending-article {
    margin: 0 0 16px;
    padding: 44px 48px;
    border-radius: 20px;
}
.trending-article-head { text-align: center; margin-bottom: 18px; }
.trending-article-badges {
    display: flex; flex-wrap: wrap; gap: 8px;
    justify-content: center;
    margin-bottom: 18px;
}
.trending-article-title {
    font-size: 32px; font-weight: 800;
    margin: 0 0 14px; color: #111827;
    line-height: 1.35;
    letter-spacing: .5px;
}
.trending-article-summary {
    font-size: 15.5px;
    color: #4b5563;
    line-height: 1.9;
    max-width: 720px;
    margin: 0 auto 16px;
    padding: 12px 18px;
    background: rgba(249,115,22,0.05);
    border-left: 3px solid #f97316;
    border-radius: 0 10px 10px 0;
    text-align: left;
}
.trending-article-meta {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 18px;
    font-size: 13px; color: #9ca3af;
}
.trending-article-meta a { color: inherit; }
.trending-article-meta a:hover { color: #ea580c; }

.trending-article-cover {
    margin: 22px auto;
    max-width: 800px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}
.trending-article-cover img { width: 100%; display: block; }

.trending-article-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(249,115,22,0.3), transparent);
    margin: 26px 0;
}

.trending-article-body {
    max-width: 780px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 2.1;
    color: #1f2937;
}
.article-paragraph { margin: 0 0 18px; text-indent: 2em; }
.trending-no-body {
    text-align: center;
    padding: 22px;
    background: rgba(249,115,22,0.04);
    border-radius: 14px;
}
.trending-source-btn {
    display: inline-block;
    margin-top: 8px;
    padding: 8px 20px;
    background: #f97316; color: #fff !important;
    border-radius: 999px;
    text-decoration: none;
    font-size: 14px; font-weight: 500;
}
.trending-source-btn:hover { background: #ea580c; }

.trending-article-tags {
    display: flex; flex-wrap: wrap; gap: 8px;
    justify-content: center;
    margin-top: 22px;
}
.trending-tag-chip {
    padding: 5px 14px;
    background: rgba(249,115,22,0.08);
    color: #c2410c;
    border-radius: 999px;
    font-size: 13px;
}

/* ========== 10. 引流卡片（核心） ========== */
.trending-drain-section {
    margin: 0 0 16px;
    padding: 32px 36px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(59,130,246,0.06));
    border: 1px dashed rgba(16,185,129,0.2);
}
.trending-drain-title {
    font-size: 20px; font-weight: 800;
    margin: 0 0 6px; color: #111827;
    text-align: center;
}
.trending-drain-sub {
    text-align: center;
    color: #6b7280;
    font-size: 14px;
    margin: 0 0 22px;
}
.trending-drain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}
.trending-drain-card {
    display: flex; flex-direction: column;
    align-items: center; text-align: center;
    padding: 26px 20px;
    background: #fff;
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    border: 1px solid rgba(0,0,0,0.04);
    transition: all .25s;
    position: relative;
    overflow: hidden;
}
.trending-drain-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom,#10b981,#3b82f6);
    transition: width .3s;
}
.trending-drain-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(16,185,129,0.12);
    border-color: rgba(16,185,129,0.3);
}
.trending-drain-card:hover::before { width: 100%; opacity: .06; }
.trending-drain-icon {
    font-size: 42px; margin-bottom: 12px;
    position: relative;
    z-index: 1;
}
.trending-drain-name {
    font-size: 17px; font-weight: 700;
    color: #111827;
    margin: 0 0 6px;
    position: relative; z-index: 1;
}
.trending-drain-desc {
    font-size: 13px; color: #6b7280;
    line-height: 1.6;
    margin: 0 0 14px;
    position: relative; z-index: 1;
}
.trending-drain-cta {
    margin-top: auto;
    padding: 6px 16px;
    background: linear-gradient(135deg,#10b981,#3b82f6);
    color: #fff;
    border-radius: 999px;
    font-size: 12.5px; font-weight: 600;
    position: relative; z-index: 1;
}

/* ========== 11. 相关热点 ========== */
.trending-related-section {
    margin: 0 0 16px;
    padding: 28px 32px;
    border-radius: 20px;
}
.trending-related-title {
    font-size: 18px; font-weight: 700;
    margin: 0 0 18px; color: #111827;
}
.trending-related-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}
.trending-related-card {
    display: block;
    padding: 18px 20px;
    border-radius: 14px;
    background: rgba(249,115,22,0.04);
    text-decoration: none; color: inherit;
    border: 1px solid transparent;
    transition: all .2s;
}
.trending-related-card:hover {
    background: #fff;
    border-color: rgba(249,115,22,0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(249,115,22,0.08);
}
.trending-related-card-title {
    font-size: 15px; font-weight: 600; color: #111827;
    line-height: 1.5; margin: 0 0 8px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.trending-related-card-desc {
    font-size: 13px; color: #6b7280;
    line-height: 1.6; margin: 0 0 10px;
}
.trending-related-card-meta {
    font-size: 12px; color: #9ca3af;
}

@media (max-width: 768px) {
    .trending-topbar, .trending-article, .trending-drain-section, .trending-related-section {
        margin: 0 0 12px;
        padding: 20px;
    }
    .trending-article-title { font-size: 24px; }
}

/* ========== 11.5 面包屑导航 ========== */
.trending-breadcrumb {
    margin: 0 0 16px;
    padding: 10px 18px;
    border-radius: 10px;
    display: flex; align-items: center; flex-wrap: wrap; gap: 4px;
    font-size: 13px;
    color: #6b7280;
}
.trending-breadcrumb a {
    color: #6b7280; text-decoration: none;
    transition: color .2s;
}
.trending-breadcrumb a:hover { color: #ea580c; }
.trending-breadcrumb .sep { color: #d1d5db; margin: 0 2px; }
.trending-breadcrumb .current { color: #111827; font-weight: 500; }

/* ========== 11.6 热榜排行列表 ========== */
.trending-hot-rank-list {
    display: flex; flex-direction: column; gap: 8px;
    padding: 20px 28px 0;
}
.trending-hot-rank-item {
    display: flex; align-items: center; gap: 16px;
    padding: 16px 20px;
    border-radius: 14px;
    background: #fff;
    text-decoration: none; color: inherit;
    border: 1px solid rgba(249,115,22,0.06);
    transition: all .2s;
}
.trending-hot-rank-item:hover {
    border-color: rgba(249,115,22,0.3);
    transform: translateX(4px);
    box-shadow: 0 6px 20px rgba(249,115,22,0.08);
}
.trending-hot-rank-item.top3 {
    background: linear-gradient(135deg, rgba(249,115,22,0.08), rgba(239,68,68,0.04));
    border-color: rgba(249,115,22,0.2);
}
.trending-hot-rank-no {
    flex-shrink: 0;
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 800;
    color: #9ca3af;
    background: #f3f4f6;
    border-radius: 10px;
}
.trending-hot-rank-item.top3 .trending-hot-rank-no {
    background: linear-gradient(135deg, #f97316, #ef4444);
    color: #fff;
    box-shadow: 0 4px 12px rgba(249,115,22,0.3);
}
.trending-hot-rank-body { flex: 1; min-width: 0; }
.trending-hot-rank-title {
    font-size: 16px; font-weight: 600; color: #111827;
    margin: 0 0 6px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}
.trending-hot-rank-meta {
    display: flex; align-items: center; gap: 10px;
    font-size: 12.5px; color: #9ca3af;
}

@media (max-width: 768px) {
    .trending-breadcrumb { margin: 0 0 12px; }
    .trending-hot-rank-list { padding: 14px 14px 0; }
    .trending-hot-rank-item { padding: 12px 14px; gap: 10px; }
    .trending-hot-rank-no { width: 28px; height: 28px; font-size: 14px; }
    .trending-hot-rank-title { font-size: 14px; }
}