/* 专题模板 · 精选信息流（newsflow-dark → Aurora 浅色高端版，跟随全站主题切换） */
body[data-topic-theme="newsflow-dark"]{background:var(--bg,#f5f6fa)}
body[data-topic-theme="newsflow-dark"] .nf-page{max-width:1100px;margin:0 auto;padding:30px 20px 56px}
body[data-topic-theme="newsflow-dark"] .nf-banner{margin-bottom:22px;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm,0 1px 2px rgba(14,21,38,.05))}
body[data-topic-theme="newsflow-dark"] .nf-banner img{width:100%;max-height:300px;object-fit:cover;display:block}
/* 页头：白卡 + 顶部品牌渐变条 + 柔光 */
body[data-topic-theme="newsflow-dark"] .nf-header{position:relative;overflow:hidden;background:var(--surface,#fff);border:1px solid var(--border,#eef0f4);border-radius:20px;padding:30px 30px 24px;margin-bottom:24px;box-shadow:var(--shadow,0 8px 24px -10px rgba(14,21,38,.12),0 2px 6px rgba(14,21,38,.04))}
body[data-topic-theme="newsflow-dark"] .nf-header::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--brand,#4f46e5),var(--brand-2,#7c3aed) 45%,var(--brand-3,#06b6d4))}
body[data-topic-theme="newsflow-dark"] .nf-header::after{content:"";position:absolute;top:-140px;right:-70px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,var(--glow-1,rgba(79,70,229,.14)),transparent 70%);pointer-events:none}
body[data-topic-theme="newsflow-dark"] .nf-header>*{position:relative;z-index:1}
body[data-topic-theme="newsflow-dark"] .nf-header .nf-title{font-size:30px;color:var(--text,#0f172a);margin:0 0 10px;letter-spacing:-.4px;line-height:1.25}
body[data-topic-theme="newsflow-dark"] .nf-desc{color:var(--text-2,#55637a);font-size:14px;line-height:1.9;margin:0 0 10px;max-width:780px}
body[data-topic-theme="newsflow-dark"] .nf-meta-line{color:var(--text-3,#96a1b3);font-size:12.5px;margin:0}
/* GEO · AI 摘要 */
body[data-topic-theme="newsflow-dark"] .geo-snippet{margin:12px 0 14px;padding:13px 16px;border-radius:12px;background:linear-gradient(135deg,var(--primary-soft,rgba(79,70,229,.08)),transparent);border:1px solid color-mix(in srgb,var(--primary,#4f46e5) 14%,transparent);color:var(--text-2,#55637a);font-size:13.5px;line-height:1.85}
body[data-topic-theme="newsflow-dark"] .geo-tag{display:inline-block;margin-right:8px;padding:2px 10px;border-radius:999px;background:linear-gradient(135deg,var(--primary,#4f46e5),var(--brand-2,#7c3aed));color:#fff;font-size:11px;font-weight:600;vertical-align:1px}
/* 信息流卡片 */
body[data-topic-theme="newsflow-dark"] .nf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;margin-bottom:26px}
body[data-topic-theme="newsflow-dark"] .nf-card{position:relative;display:flex;flex-direction:column;background:var(--surface,#fff);border:1px solid var(--border,#eef0f4);border-radius:18px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .25s var(--ease,cubic-bezier(.22,.61,.36,1)),box-shadow .25s var(--ease,cubic-bezier(.22,.61,.36,1)),border-color .25s var(--ease,cubic-bezier(.22,.61,.36,1))}
body[data-topic-theme="newsflow-dark"] .nf-card::before{content:"";position:absolute;inset:0;background:radial-gradient(320px 150px at 20% -20%,color-mix(in srgb,var(--brand,#4f46e5) 10%,transparent),transparent 70%);opacity:0;transition:opacity .3s;pointer-events:none}
body[data-topic-theme="newsflow-dark"] .nf-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg,0 24px 60px -18px rgba(14,21,38,.22));border-color:color-mix(in srgb,var(--brand,#4f46e5) 34%,var(--border,#eef0f4))}
body[data-topic-theme="newsflow-dark"] .nf-card:hover::before{opacity:1}
body[data-topic-theme="newsflow-dark"] .nf-cover{height:160px;background-size:cover;background-position:center;flex:none}
body[data-topic-theme="newsflow-dark"] .nf-cover-empty{background:linear-gradient(135deg,color-mix(in srgb,var(--brand,#4f46e5) 14%,var(--surface-2,#f0f2f8)),var(--surface-2,#f0f2f8))}
body[data-topic-theme="newsflow-dark"] .nf-body{padding:16px 18px 18px;position:relative;z-index:1}
body[data-topic-theme="newsflow-dark"] .nf-date{font-size:11.5px;font-weight:600;color:var(--primary,#4f46e5);background:var(--primary-soft,rgba(79,70,229,.08));display:inline-block;padding:2px 10px;border-radius:999px;margin-bottom:10px;letter-spacing:.02em}
body[data-topic-theme="newsflow-dark"] .nf-card .nf-title{font-size:15.5px;font-weight:650;color:var(--text,#0f172a);display:block;margin-bottom:8px;line-height:1.5}
body[data-topic-theme="newsflow-dark"] .nf-summary{font-size:12.5px;color:var(--text-2,#55637a);line-height:1.75;display:block;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
/* 相关推荐站点 */
body[data-topic-theme="newsflow-dark"] .nf-sec{background:var(--surface,#fff);border:1px solid var(--border,#eef0f4);border-radius:18px;padding:20px 22px;margin-bottom:26px;box-shadow:var(--shadow-sm,0 1px 2px rgba(14,21,38,.05))}
body[data-topic-theme="newsflow-dark"] .nf-sec-title{position:relative;padding-left:14px;font-size:16px;font-weight:700;color:var(--text,#0f172a);margin-bottom:16px;line-height:1.4}
body[data-topic-theme="newsflow-dark"] .nf-sec-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,var(--primary,#4f46e5),var(--brand-2,#7c3aed))}
body[data-topic-theme="newsflow-dark"] .nf-sites{display:flex;flex-wrap:wrap;gap:10px}
body[data-topic-theme="newsflow-dark"] .nf-site{display:flex;align-items:center;gap:10px;padding:9px 14px;border:1px solid var(--border,#eef0f4);border-radius:12px;text-decoration:none;color:inherit;transition:border-color .2s,transform .2s var(--ease,cubic-bezier(.22,.61,.36,1)),box-shadow .2s var(--ease,cubic-bezier(.22,.61,.36,1))}
body[data-topic-theme="newsflow-dark"] .nf-site:hover{border-color:color-mix(in srgb,var(--primary,#4f46e5) 35%,var(--border,#eef0f4));transform:translateY(-2px);box-shadow:var(--shadow-sm,0 1px 2px rgba(14,21,38,.05))}
body[data-topic-theme="newsflow-dark"] .nf-fav{width:30px;height:30px;border-radius:9px;overflow:hidden;background:var(--surface-2,#f0f2f8);border:1px solid var(--border,#eef0f4);display:flex;align-items:center;justify-content:center;flex:none}
body[data-topic-theme="newsflow-dark"] .nf-fav img{width:18px;height:18px;object-fit:contain}
body[data-topic-theme="newsflow-dark"] .nf-name{font-size:13px;font-weight:600;color:var(--text,#0f172a)}
/* 返回首页 */
body[data-topic-theme="newsflow-dark"] .topic-back{margin-top:8px;padding-top:20px;border-top:1px dashed var(--border,#eef0f4)}
body[data-topic-theme="newsflow-dark"] .topic-back a{display:inline-flex;align-items:center;gap:6px;color:var(--primary,#4f46e5);text-decoration:none;font-size:13.5px;font-weight:600;padding:8px 16px;border-radius:10px;background:var(--primary-soft,rgba(79,70,229,.08));transition:background .18s var(--ease,cubic-bezier(.22,.61,.36,1))}
body[data-topic-theme="newsflow-dark"] .topic-back a:hover{background:color-mix(in srgb,var(--primary,#4f46e5) 15%,transparent)}
body[data-topic-theme="newsflow-dark"] .empty{color:var(--text-3,#96a1b3);padding:40px 0;text-align:center}
@media(max-width:640px){body[data-topic-theme="newsflow-dark"] .nf-header{padding:22px 18px}body[data-topic-theme="newsflow-dark"] .nf-grid{grid-template-columns:1fr}}