/* Khối thông tin sản phẩm dạng tab: thông số kỹ thuật + bài viết đánh giá (theo mẫu Điện Máy Xanh / Điện Máy Chợ Lớn) */
.qh-pi{padding:18px 20px}
.qh-pi__tabs{display:flex;gap:12px;margin:0 0 20px;overflow-x:auto;scrollbar-width:none}
.qh-pi__tabs::-webkit-scrollbar{display:none}
.qh-pi__tab{flex:1 1 0;min-width:150px;height:46px;padding:0 16px;border:1px solid #dfe3ea;border-radius:10px;background:#fff;font:600 16px/1 inherit;color:#1b2430;cursor:pointer;white-space:nowrap;transition:background .15s,color .15s,border-color .15s}
.qh-pi__tab:hover{background:#f4f6fb}
.qh-pi__tab.is-active{background:#eef3fb;border-color:#c8d4ef;color:#1c348d}
.qh-pi__panel{display:none}
.qh-pi__panel.is-active{display:block}
/* Thông số */
.qh-pi__overview{margin:0 0 18px;text-align:center}
.qh-pi__overview img{max-width:100%;height:auto;border-radius:10px}
.qh-pi__bar{display:flex;justify-content:flex-end;margin:0 0 8px}
.qh-pi__all{border:0;background:none;color:#1c348d;font-size:14px;font-weight:600;cursor:pointer;padding:4px 0}
.qh-pi__group{margin:0 0 10px}
.qh-pi__group>summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-radius:10px;background:#f3f4f7;font-size:17px;font-weight:600;color:#1b2430;cursor:pointer}
.qh-pi__group>summary::-webkit-details-marker{display:none}
.qh-pi__group>summary::after{content:"";width:9px;height:9px;border-right:2px solid #1b2430;border-bottom:2px solid #1b2430;transform:rotate(45deg);margin:-4px 4px 0 12px;transition:transform .2s}
.qh-pi__group[open]>summary::after{transform:rotate(-135deg);margin-top:4px}
.qh-pi__group table{width:100%;border-collapse:collapse;margin:4px 0 6px}
.qh-pi__group th,.qh-pi__group td{padding:12px 10px;text-align:left;vertical-align:top;border-bottom:1px solid #eceef1;font-size:15px;line-height:1.5}
.qh-pi__group tr:last-child th,.qh-pi__group tr:last-child td{border-bottom:0}
.qh-pi__group th{width:34%;font-weight:700;color:#1b2430}
.qh-pi__group td{color:#2b3340}
/* Bài viết đánh giá (kiểu Điện Máy Chợ Lớn) */
.qh-pi__hl{margin:0 0 22px;padding:16px 20px 12px;border:2px solid #f59e0b;border-radius:6px;background:#fffbe6}
.qh-pi__hl h2{margin:0 0 10px;font-size:22px;line-height:1.35;font-weight:700;color:#1b2430;text-align:justify}
.qh-pi__hl ul{margin:0;padding-left:22px}
.qh-pi__hl li{margin:0 0 7px;font-size:16px;line-height:1.55;color:#1b2430}
.qh-pi__article{font-size:16px;line-height:1.75;color:#1b2430;text-align:justify;overflow-wrap:anywhere}
.qh-pi__article h1,.qh-pi__article h2{margin:26px 0 12px;font-size:26px;line-height:1.35;font-weight:700;color:#1b2430;text-align:left}
.qh-pi__article h3{margin:22px 0 10px;font-size:21px;line-height:1.4;font-weight:700;text-align:left}
.qh-pi__article h4{margin:18px 0 8px;font-size:18px;font-weight:700;text-align:left}
.qh-pi__article p{margin:0 0 14px}
.qh-pi__article a{color:#1c348d}
/* Ảnh trong bài cũ hay mang sẵn style width/height cố định (vd. 1200x1200) → ép về đúng tỉ lệ gốc, không kéo giãn */
.qh-pi__article img{display:block;width:auto!important;max-width:100%!important;height:auto!important;aspect-ratio:auto!important;object-fit:contain;margin:14px auto;border-radius:8px}
.qh-pi__article figure{margin:14px 0;max-width:100%!important}
.qh-pi__article p,.qh-pi__article div{max-width:100%}
.qh-pi__article iframe,.qh-pi__article video{max-width:100%}
.qh-pi__article table{max-width:100%;border-collapse:collapse}
.qh-pi__article td,.qh-pi__article th{border:1px solid #dfe3ea;padding:8px 10px}
.qh-pi__article ul,.qh-pi__article ol{padding-left:24px;margin:0 0 14px}
.qh-pi__article[data-collapsed="1"]{max-height:1100px;overflow:hidden;position:relative}
.qh-pi__article[data-collapsed="1"]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:140px;background:linear-gradient(rgba(255,255,255,0),#fff)}
.qh-pi__more{display:flex;justify-content:center;margin:14px 0 0}
.qh-pi__morebtn{height:44px;padding:0 28px;border:1px solid #1c348d;border-radius:10px;background:#fff;color:#1c348d;font-weight:600;font-size:15px;cursor:pointer}
.qh-pi__morebtn:hover{background:#eef3fb}
/* Ảnh thực tế, video */
.qh-pi__photos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.qh-pi__photos img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:10px;display:block}
.qh-pi__videos{display:grid;gap:14px}
.qh-pi__video{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:16/9;width:100%;border:0;border-radius:12px;background:linear-gradient(135deg,#1c348d,#0b1f66);color:#fff;cursor:pointer;overflow:hidden}
.qh-pi__video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.qh-pi__play{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.95);position:relative}
.qh-pi__play::after{content:"";position:absolute;left:25px;top:19px;border-left:20px solid #1c348d;border-top:13px solid transparent;border-bottom:13px solid transparent}
.qh-pi__vt{position:absolute;left:14px;right:14px;bottom:12px;font-size:14px;text-align:left}
@media (max-width:700px){
	.qh-pi{padding:14px 12px}
	.qh-pi__tabs{gap:8px}
	.qh-pi__tab{flex:0 0 auto;min-width:0;height:42px;font-size:15px}
	.qh-pi__hl{padding:12px 14px 6px}
	.qh-pi__hl h2{font-size:19px}
	.qh-pi__article h1,.qh-pi__article h2{font-size:21px}
	.qh-pi__article h3{font-size:18px}
	.qh-pi__group th{width:40%}
	.qh-pi__photos{grid-template-columns:repeat(2,minmax(0,1fr))}
}
/* Liên kết sang trang dòng sản phẩm cùng loại */
.qh-pi-hubs{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;padding:14px 20px}
.qh-pi-hubs b{font-size:15px}
.qh-pi-hubs a{display:inline-block;padding:7px 14px;border:1px solid #c8d4ef;border-radius:20px;background:#fff;color:#1c348d;font-size:14px;text-decoration:none}
.qh-pi-hubs a:hover{background:#eef3fb}
@media (max-width:700px){.qh-pi-hubs{padding:12px}}