/* Trang chi tiết sản phẩm: mobile-first. Mọi class bắt đầu bằng pd- để không ảnh hưởng CSS cũ. */
.pd-crumb{padding:12px 0 0;font-size:14px;color:#55605a}
.pd-crumb ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 8px}
.pd-crumb li+li:before{content:"/";margin-right:8px;color:#9aa39d}
.pd-crumb a{color:#0f4d2c;text-decoration:none}
.pd-crumb a:hover{text-decoration:underline}

.pd{padding:14px 0 8px}
.pd-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:22px;align-items:start}
@media (min-width:900px){.pd-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px}}

/* Thư viện ảnh */
.pd-main{background:#f6f1e4;border:1px solid #e8e2d2;border-radius:20px;overflow:hidden;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.pd-main img,.pd-main video{display:block;width:100%;height:100%;object-fit:contain}
.pd-thumbs{margin-top:10px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.pd-thumb{padding:0;border:2px solid #e8e2d2;border-radius:12px;background:#fff;overflow:hidden;cursor:pointer;line-height:0}
.pd-thumb[aria-current="true"]{border-color:#0f4d2c}
.pd-thumb img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.pd-thumb:focus-visible{outline:3px solid #99c9a1;outline-offset:2px}

/* Thông tin */
.pd-info h1{margin:0;font-size:clamp(24px,5vw,34px);line-height:1.2;color:#0f4d2c;font-weight:700}
.pd-desc{margin:12px 0 0;font-size:16px;line-height:1.7;color:#46514a}
.pd-price{margin:16px 0 0;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px}
.pd-price strong{font-size:clamp(22px,4.5vw,28px);color:#17201a}
.pd-price span{font-size:14px;color:#55605a}
.pd-note{margin:6px 0 0;font-size:13px;color:#55605a}
.pd-bands{margin:14px 0 0;border:1px solid #e8e2d2;border-radius:14px;overflow:hidden;background:#fff;font-size:14px}
.pd-bands div{display:flex;gap:12px;padding:10px 14px;border-top:1px solid #f0eada}
.pd-bands div:first-child{border-top:0;background:#f3eddd;font-weight:700}
.pd-bands span:first-child{flex:1}.pd-bands span:last-child{flex:1.4}

.pd-cta{margin:18px 0 0;display:grid;gap:10px}
.pd-btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 20px;border-radius:14px;font-weight:700;font-size:16px;line-height:1.2;text-decoration:none;border:0;cursor:pointer;font-family:inherit}
.pd-btn--zalo{background:#0068ff;color:#fff;box-shadow:0 10px 22px rgba(0,104,255,.22)}
.pd-btn--zalo:hover{color:#fff;filter:brightness(1.06)}
.pd-btn--call{background:#fff;color:#0a6030;border:1.5px solid #0a7a3a;font-weight:600}
.pd-btn--call:hover{color:#0a6030;background:#f2faf4}
.pd-btn--order{background:#0f4d2c;color:#fff}
.pd-btn--order:hover{color:#fff;filter:brightness(1.1)}
.pd-btn:focus-visible{outline:3px solid #99c9a1;outline-offset:2px}

.pd-order{margin:16px 0 0;padding:16px;background:#fff;border:1px solid #e8e2d2;border-radius:18px}
.pd-order-row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.pd-order label{display:block;font-size:13px;color:#46514a;margin-bottom:6px}
.pd-order input[type=number]{width:110px;min-height:48px;border:1.5px solid #cfc7b2;border-radius:12px;padding:0 12px;font:inherit;font-size:16px}
.pd-order .pd-btn{flex:1 1 180px}

.pd-perks{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:8px;font-size:15px;color:#2b352e}
.pd-perks li{display:flex;gap:10px;align-items:flex-start;line-height:1.5}
.pd-perks svg{flex:none;margin-top:3px}

/* Mô tả + chính sách + liên quan */
.pd-section{padding:30px 0 0}
.pd-section h2{margin:0;font-size:clamp(22px,4vw,28px);color:#0f4d2c;font-weight:700}
.pd-section h2:after{content:"";display:block;width:56px;height:3px;border-radius:2px;background:#b98a2e;margin-top:10px}
.pd-two{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
@media (min-width:900px){.pd-two{grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:36px}}
.pd-policy{padding:20px;background:#fff;border:1px solid #e8e2d2;border-radius:18px;display:grid;gap:12px;font-size:15px;line-height:1.65;color:#33403a}
.pd-policy h3{margin:0;font-size:17px;color:#0f4d2c}
.pd-policy b{color:#17201a}

.pd-related{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (min-width:700px){.pd-related{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}}
.pd-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e8e2d2;border-radius:16px;overflow:hidden}
.pd-card a{color:inherit;text-decoration:none}
.pd-card-img{display:block;background:#f0ebdd;line-height:0}
.pd-card-img img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.pd-card-body{padding:12px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.pd-card-title{font-weight:700;font-size:14px;line-height:1.35}
.pd-card-price{font-size:13px;color:#33403a}