/* ===== 科学养育 · 0–3岁婴幼儿家庭教育 ===== */

/* --- 统一头图卡片 --- */
.sci-cover-card{padding:16px 20px}
.sci-cover-row{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}
.sci-cover-thumb{flex:0 0 232px;height:132px;border-radius:10px;overflow:hidden;
  background:#f6f3ee;border:1px solid #ece5d9;display:flex;align-items:center;
  justify-content:center}
.sci-cover-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.sci-cover-empty{font-size:13px;color:#a99a86}
.sci-cover-info{flex:1 1 300px;min-width:0;padding-top:2px}
.sci-cover-title{font-size:15px;font-weight:700;color:#3b342b;margin-bottom:7px;
  display:flex;align-items:baseline;gap:9px;flex-wrap:wrap}
.sci-cover-desc{font-size:13px;color:#6b6357;line-height:1.65;margin-bottom:11px;
  word-break:break-all}
.sci-cover-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.sci-cover-btn{position:relative;overflow:hidden;cursor:pointer}
.sci-cover-btn input[type=file]{display:none}
.sci-cover-hint{font-size:12px;color:#a99a86;margin-top:9px;line-height:1.6}
.sci-ok{color:#2e9e5b;font-weight:700}
.sci-warn{color:#d98028;font-weight:700}
.sci-tip{font-size:12px;color:#a99a86}

/* --- 顶部：本周内容 + 阶段图例 --- */
.sci-topbar{display:flex;gap:16px;flex-wrap:wrap;align-items:stretch;margin-bottom:16px}
.sci-now{flex:1 1 420px;background:linear-gradient(135deg,#f2f8ff 0%,#fff 60%);
  border:1px solid #dce8f5;border-radius:14px;padding:18px 20px;
  box-shadow:0 2px 10px rgba(80,130,180,.07)}
.sci-now-head{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.sci-now-week{font-size:15px;font-weight:700;color:#3a72b0}
.sci-now-label{font-size:12px;color:#8b9aad;background:#eaf2fa;border-radius:10px;padding:2px 9px}
.sci-now-title{font-size:21px;font-weight:700;margin:6px 0 8px;color:#2f2a22;line-height:1.35}
.sci-now-points{font-size:14px;color:#5d564c;line-height:1.7;margin-bottom:10px}
.sci-now-imgs{font-size:13px;color:#6b6357;margin-bottom:12px}
.sci-legend{flex:0 0 226px;display:flex;flex-direction:column;gap:8px;justify-content:center;
  background:#fbfbfb;border:1px solid #eee;border-radius:14px;padding:16px 18px}
.sci-lg-item{font-size:13px;color:#5d564c;display:flex;align-items:center;gap:8px}
.sci-dot{width:9px;height:9px;border-radius:50%;display:inline-block;flex:0 0 9px}

/* --- 52 周日历 --- */
.sci-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.sci-count{font-size:13px;color:#a99a86;font-weight:400}
.sci-stage-group{margin-bottom:18px}
.sci-stage-group:last-child{margin-bottom:0}
.sci-stage-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
  margin-bottom:9px;padding-bottom:7px;border-bottom:1px dashed #e6ded2}
.sci-stage-name{font-size:14px;font-weight:700;color:#3b342b}
.sci-stage-age{font-size:12px;color:#a99a86}
.sci-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:8px}
.sci-cell{text-align:left;border:1px solid #eee7dc;background:#fff;border-radius:10px;
  padding:8px 9px 9px;min-height:76px;cursor:pointer;transition:all .15s;
  display:flex;flex-direction:column;gap:3px;font-family:inherit}
.sci-cell:hover{border-color:#9bc0e0;box-shadow:0 2px 8px rgba(80,130,180,.13);
  transform:translateY(-1px)}
.sci-cell.is-sel{border-color:#3a72b0;background:#f4f9ff;
  box-shadow:0 0 0 2px rgba(58,114,176,.16)}
.sci-cell-w{font-size:11px;font-weight:700;color:#3a72b0}
.sci-cell-cat{font-size:11px;color:#8b9aad}
.sci-cell-title{font-size:12.5px;color:#4a443c;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* --- 周详情卡片 --- */
.sci-detail-head{display:flex;align-items:flex-start;justify-content:space-between;
  gap:14px;flex-wrap:wrap;margin-bottom:14px}
.sci-detail-week{font-size:13px;font-weight:700;color:#3a72b0;margin-bottom:5px;
  display:flex;align-items:baseline;gap:9px;flex-wrap:wrap}
.sci-stage-label{font-size:12px;font-weight:400;color:#8b9aad}
.sci-detail-title{font-size:20px;font-weight:700;color:#2f2a22;line-height:1.35;margin-bottom:8px}
.sci-detail-meta{display:flex;gap:6px;flex-wrap:wrap}
.sci-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.sci-fact{background:#fafafa;border:1px solid #f0f0f0;border-radius:10px;padding:11px 13px}
.sci-fact label{display:block;font-size:12px;color:#a99a86;margin-bottom:5px}
.sci-fact p{font-size:13.5px;color:#4a443c;line-height:1.7;margin:0;word-break:break-word}

/* --- 讲稿区 --- */
.sci-script{min-height:340px;font-size:14px;line-height:1.85}