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#d9cdb9;border-radius:10px;width:100%;padding:10px 12px}.bt textarea{resize:vertical}.bt #b-tieu-de{font:600 22px var(--font-tieu-de);color:var(--nau)}.bt-muc{margin:18px 0 4px;font-size:20px}.bt-nhan{font-size:15.5px;font-weight:500}.bt-phu{background:var(--trang);border:1px solid var(--vien);border-radius:var(--bo-the);padding:18px}.bt fieldset.o{border:1px solid var(--vien);border-radius:10px;padding:10px 14px}.bt fieldset.o legend{padding:0 4px;font-weight:500}.bt-dang label{align-items:center;gap:8px;padding:3px 0;font-weight:400;display:flex}.bt-dang input[type=radio]{width:auto}.bt-le label{margin-top:6px;font-size:14.5px;font-weight:400}.bt-goi-y-nho{color:var(--chu-phu);margin-top:4px;font-size:13px;line-height:1.45;display:block}.bt-anh-nho{gap:6px;margin-top:12px;display:grid}.bt-anh-nho img{aspect-ratio:16/10;object-fit:cover;border:1px solid var(--vien);border-radius:10px;width:100%;max-width:288px}.bt-anh-nho small{color:var(--chu-phu)}.bt-vung{z-index:60;background:#1e160fb8;justify-content:center;align-items:flex-start;padding:24px 12px;display:flex;position:fixed;inset:0;overflow:auto}.bt-vung[hidden]{display:none}.bt-vung__hop{background:var(--trang);border-radius:16px;width:min(920px,100%);padding:18px}.bt-vung__hop h2{margin:0 0 6px;font-size:22px}.bt-vung__anh{touch-action:none;-webkit-user-select:none;user-select:none;cursor:crosshair;max-width:100%;margin:8px 0;display:inline-block;position:relative}.bt-vung__anh img{width:auto;max-width:100%;height:auto;max-height:52vh;display:block}.bt-vung__khung{cursor:move;border:2px solid #fff;outline:1px solid #0006;position:absolute;box-shadow:0 0 0 9999px #00000080}.bt-vung__anh{overflow:hidden}.bt-vung__co{align-items:center;gap:10px;max-width:420px;font-weight:500;display:flex}.bt-vung__co input{flex:1}.bt-vung__xem{gap:6px;margin:10px 0 14px;display:grid}.bt-vung__xem canvas{border:1px solid var(--vien);border-radius:10px;width:240px;height:150px}.bt-anh-dd img{border-radius:10px;width:auto;max-width:100%;height:auto;max-height:320px;margin-bottom:8px;display:block}.bt-hanh-dong{gap:10px;margin-top:4px;display:flex}.bt-hanh-dong .nut{flex:1;padding:11px 14px}.bt-khoi{flex-direction:column;gap:12px;display:flex}.bt-k{border:1px solid var(--vien);background:#fff;border-radius:12px}.bt-k__dau{border-bottom:1px solid var(--vien);background:var(--kem);border-radius:12px 12px 0 0;align-items:center;gap:6px;padding:6px 8px 6px 14px;display:flex}.bt-k__dau strong{color:var(--chu-phu);flex:1;font-size:14px;font-weight:500}.bt-k__dau button{font:15px var(--font-chu);border:1px solid var(--vien);cursor:pointer;width:34px;height:32px;color:var(--chu);background:#fff;border-radius:8px}.bt-k__dau button:disabled{opacity:.35;cursor:default}.bt-k__than{flex-direction:column;gap:8px;padding:12px 14px;display:flex}.bt-k__than textarea,.bt-k__than input{font:16px/1.6 var(--font-chu);color:var(--chu);background:#fff;border:1px solid #e3d8c6;border-radius:10px;width:100%;padding:9px 12px}.bt-k__than textarea{resize:vertical}.bt-k__than img,.bt-k__than video{border-radius:10px;align-self:flex-start;max-width:100%;max-height:360px}.bt-k__than iframe{aspect-ratio:16/9;border:0;border-radius:10px;width:100%}.bt-k__loi{color:#8a1f1f;margin:0;font-size:14px}.bt-tien-do{background:var(--kem);border-radius:99px;height:8px;overflow:hidden}.bt-tien-do span{background:var(--vang);width:0;height:100%;transition:width .2s;display:block}.bt-them{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.bt-them button{font:500 14.5px var(--font-chu);background:var(--trang);color:var(--nau);cursor:pointer;border:1px dashed #cbb796;border-radius:10px;padding:9px 14px}.bt-them button:hover{border-style:solid}.bt-xem{border:2px dashed var(--vang);border-radius:var(--bo-the);background:var(--trang);margin-top:32px;padding:clamp(18px,3vw,32px)}.bt-xem__dau{color:var(--chu-phu);justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.bt-xem__dau .nut{padding:8px 14px}.bt-xem__tom{font-size:19px}.bt-xem__anh{border-radius:16px;width:auto;max-width:100%;height:auto;max-height:80vh;margin-bottom:20px;display:block}