/* 婴儿拍嗝姿势 · 护理手册风：奶粉白 / 蜜桃粉 / 天蓝 / 圆润软卡 */
.bb-page{
  --bb-bg:#fdf8f4;--bb-card:#fff;--bb-ink:#3d3540;--bb-mute:#8b8189;--bb-line:#f0e3e0;
  --bb-pink:#e8919b;--bb-blue:#5b9bd5;--bb-soft:#fdf1ef;--bb-warn:#d05a5a;--bb-ok:#3f8f6f;
  color:var(--bb-ink);background:var(--bb-bg);min-height:100vh;padding:0 0 54px;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}
:root[data-theme="dark"] .bb-page{
  --bb-bg:#1b171d;--bb-card:#251f27;--bb-ink:#f2eaf0;--bb-mute:#ad9fae;--bb-line:#3a2f3b;
  --bb-pink:#f0a8b2;--bb-blue:#82b9e8;--bb-soft:#2a222d;--bb-warn:#f08a8a;--bb-ok:#79c8a6;
}
.bb-wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.bb-page .detail-breadcrumb{margin:18px 0 22px;font-size:13px}
.bb-page .detail-breadcrumb a{color:var(--bb-mute);text-decoration:none}
.bb-page .detail-breadcrumb .sep{margin:0 8px;color:var(--bb-pink)}
.bb-page .detail-breadcrumb .current{color:var(--bb-ink);font-weight:700}

.bb-hero{display:grid;grid-template-columns:1fr 150px;gap:30px;align-items:center;background:var(--bb-card);
  border:1px solid var(--bb-line);border-radius:26px;padding:34px 38px;box-shadow:0 14px 40px rgba(232,145,155,.13)}
.bb-kicker{font:700 11px/1.4 ui-monospace,monospace;letter-spacing:.16em;color:var(--bb-pink);margin-bottom:14px}
.bb-hero h1{font-size:clamp(25px,3.3vw,35px);line-height:1.36;margin:0 0 13px;font-weight:800}
.bb-sub{font-size:14.5px;line-height:1.95;color:var(--bb-mute);margin:0;max-width:700px}
.bb-sub b{color:var(--bb-pink)}
.bb-hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.bb-hero-tags span{background:var(--bb-soft);border:1px solid var(--bb-line);color:var(--bb-ink);border-radius:999px;padding:6px 13px;font-size:12px}
.bb-bottle{width:104px;margin:0 auto;position:relative}
.bb-bottle-nip{width:34px;height:26px;margin:0 auto -3px;background:var(--bb-pink);border-radius:16px 16px 5px 5px}
.bb-bottle-body{height:126px;border:3px solid var(--bb-blue);border-radius:14px 14px 22px 22px;
  background:linear-gradient(180deg,var(--bb-card) 30%,rgba(91,155,213,.22) 30%);display:grid;place-items:center;position:relative}
.bb-bottle-body i{position:absolute;right:-12px;top:20px;width:9px;height:44px;border-right:3px solid var(--bb-line);border-radius:0 9px 9px 0}
.bb-bottle-body b{font-size:15px;color:var(--bb-blue);letter-spacing:.1em;z-index:1}

.bb-alert{margin-top:18px;background:rgba(208,90,90,.09);border:1px solid rgba(208,90,90,.4);border-left:5px solid var(--bb-warn);
  border-radius:12px;padding:15px 20px}
.bb-alert span{font-size:13.5px;font-weight:800;color:var(--bb-warn)}
.bb-alert p{margin:6px 0 0;font-size:12.5px;line-height:1.8;color:var(--bb-ink)}
.bb-sec-head{display:flex;align-items:baseline;gap:12px;margin:0 0 16px}
.bb-sec-head h2{font-size:19px;margin:0;font-weight:800}
.bb-sec-head small{margin-left:auto;color:var(--bb-mute);font-size:12.5px;text-align:right}
.bb-form,.bb-recommend,.bb-compare,.bb-batch{margin-top:22px;background:var(--bb-card);border:1px solid var(--bb-line);
  border-radius:20px;padding:26px 28px;box-shadow:0 8px 26px rgba(232,145,155,.08)}
.bb-form-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.bb-form-grid label{font-size:12.5px;color:var(--bb-mute)}
.bb-form-grid label span{display:block;margin-bottom:6px}
.bb-form-grid label i{font-style:normal;color:var(--bb-pink);font-size:11px}
.bb-form-grid input,.bb-form-grid select{width:100%;box-sizing:border-box;padding:11px 12px;border:1px solid var(--bb-line);
  border-radius:10px;background:var(--bb-soft);color:var(--bb-ink);font:700 15px/1.3 ui-monospace,monospace;font-family:inherit}
.bb-form-grid select{font-family:inherit}
.bb-form-grid input:focus,.bb-form-grid select:focus{outline:2px solid var(--bb-pink)}
.bb-quick{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin:18px 0 14px;font-size:12px;color:var(--bb-mute)}
.bb-quick button,.bb-btn{border:1px solid var(--bb-line);background:var(--bb-soft);color:var(--bb-ink);border-radius:999px;
  padding:7px 13px;font-size:12.5px;cursor:pointer;font-family:inherit;transition:.16s}
.bb-quick button:hover,.bb-btn:hover{border-color:var(--bb-pink);color:var(--bb-pink)}
.bb-btn-main{border:0;border-radius:999px;background:var(--bb-pink);color:#fff;padding:13px 28px;
  font-size:15px;font-weight:700;cursor:pointer;font-family:inherit;transition:.18s}
.bb-btn-main:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(232,145,155,.35)}
.bb-err{margin:12px 0 0;color:var(--bb-warn);font-size:13px;font-weight:600}

.bb-recom-top{display:grid;grid-template-columns:210px 1fr;gap:18px;align-items:center;margin-bottom:20px}
.bb-recom-big{background:var(--bb-soft);border-radius:16px;padding:18px;text-align:center}
.bb-recom-big span{display:block;font-size:12px;color:var(--bb-mute)}
.bb-recom-big b{font:800 38px/1.2 ui-monospace,monospace;color:var(--bb-pink)}
.bb-recom-big em{font-style:normal;font-size:12px;color:var(--bb-mute);margin-left:4px}
.bb-recom-txt{font-size:13.5px;line-height:1.95;color:var(--bb-ink)}
.bb-recom-txt b{color:var(--bb-blue)}
.bb-poses{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.bb-pose{border:2px solid var(--bb-line);border-radius:16px;padding:16px;background:var(--bb-soft);transition:.2s}
.bb-pose.is-on{border-color:var(--bb-pink);background:var(--bb-card);box-shadow:0 8px 22px rgba(232,145,155,.16)}
.bb-pose-fig{height:92px;display:flex;align-items:center;justify-content:center;gap:4px;margin-bottom:12px}
.bb-fig-head{width:34px;height:34px;border-radius:50%;background:#f7d9c4;border:2px solid #e0b69c;flex:none}
.bb-fig-body{width:48px;height:56px;border-radius:20px 20px 12px 12px;background:var(--bb-blue);opacity:.85;transform:rotate(12deg)}
.bb-fig-hand{width:18px;height:18px;border-radius:50% 50% 40% 40%;background:#f7d9c4;border:2px solid #e0b69c;flex:none}
.bb-pose.is-sit .bb-fig-body{transform:rotate(0) translateY(8px)}
.bb-pose.is-down .bb-fig-body{transform:rotate(78deg)}
.bb-pose.is-down .bb-fig-head{order:3}
.bb-pose h3{font-size:15px;margin:0 0 4px}
.bb-pose .bb-pose-tag{font-size:11px;color:var(--bb-pink);font-weight:700}
.bb-pose ol{margin:10px 0 0;padding-left:18px;font-size:12.3px;line-height:1.85;color:var(--bb-mute)}
.bb-pose ol b{color:var(--bb-ink)}

.bb-checks{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.bb-checks label{display:flex;align-items:center;gap:9px;background:var(--bb-soft);border:1px solid var(--bb-line);
  border-radius:10px;padding:11px 13px;font-size:13px;cursor:pointer}
.bb-checks label:has(input:checked){border-color:var(--bb-pink)}
.bb-checks input{accent-color:var(--bb-pink);width:16px;height:16px}
.bb-compare-out{margin:16px 0;border-radius:12px;padding:15px 18px;font-size:13.5px;line-height:1.9;
  background:var(--bb-soft);border-left:4px solid var(--bb-blue)}
.bb-compare-out.is-warn{background:rgba(208,90,90,.1);border-left-color:var(--bb-warn)}
.bb-compare-out b{color:var(--bb-warn)}
.bb-compare-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:6px}
.bb-compare-table th,.bb-compare-table td{border:1px solid var(--bb-line);padding:9px 11px;text-align:left}
.bb-compare-table th{background:var(--bb-soft)}

.bb-batch textarea{width:100%;box-sizing:border-box;border:1px solid var(--bb-line);border-radius:12px;background:var(--bb-soft);
  color:var(--bb-ink);padding:13px;font:13px/1.8 ui-monospace,monospace;resize:vertical}
.bb-batch textarea:focus{outline:2px solid var(--bb-pink)}
.bb-batch-actions{display:flex;gap:9px;flex-wrap:wrap;margin:14px 0 4px}
.bb-batch-result{margin-top:16px;overflow-x:auto}
.bb-batch-result table{width:100%;border-collapse:collapse;font-size:13px}
.bb-batch-result th,.bb-batch-result td{border:1px solid var(--bb-line);padding:8px 10px;text-align:left}
.bb-batch-result th{background:var(--bb-soft)}
.bb-batch-result tr.is-bad td{background:rgba(208,90,90,.08)}

:root[data-theme="dark"] .bb-btn-main{color:#241a20}
@media(max-width:920px){.bb-hero{grid-template-columns:1fr}.bb-bottle{display:none}.bb-form-grid{grid-template-columns:1fr 1fr}
 .bb-poses{grid-template-columns:1fr}.bb-recom-top{grid-template-columns:1fr}.bb-checks{grid-template-columns:1fr}}
@media(max-width:600px){.bb-wrap{padding:0 14px}.bb-hero,.bb-form,.bb-recommend,.bb-compare,.bb-batch{padding:20px 16px}
 .bb-hero h1{font-size:24px}.bb-form-grid{grid-template-columns:1fr}.bb-sec-head small{display:none}}