.bist-dt{box-sizing:border-box;position:relative}
.bist-dt{--g:#3D6534;--k:#1a1a1a;--grey:#f2f2f2;--line:#d4d4d4;--in:#e9f0e6;--sel:#d8e6d2}
.bist-dt *{box-sizing:border-box}
.bist-dt{margin:0;font:15px/1.5 Arial,Helvetica,sans-serif;color:var(--k);background:#fff;padding-bottom:78px}
.bist-dt .w{max-width:900px;margin:0 auto;padding:0 16px}
.bist-dt .hd{border-bottom:3px solid var(--g);padding:18px 0 14px;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.bist-dt .hd img{height:44px;width:auto}
.bist-dt .h1{font-size:22px;margin:0;font-weight:700}
.bist-dt .hd p{margin:2px 0 0;color:#595959;font-size:13px}
.bist-dt h2{background:var(--k);color:#fff;font-size:16px;margin:28px 0 12px;padding:8px 12px}
.bist-dt .g{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.bist-dt .g{grid-template-columns:1fr}}
.bist-dt label.f{display:flex;flex-direction:column;font-weight:700;font-size:13px;gap:4px}
.bist-dt input[type=text],.bist-dt input[type=tel],.bist-dt input[type=email],.bist-dt input[type=number],.bist-dt textarea{font:inherit;padding:9px 10px;border:1px solid var(--line);background:var(--in);border-radius:3px;width:100%}
.bist-dt input:focus,.bist-dt textarea:focus,.bist-dt label.pk:focus-within,.bist-dt label.ck:focus-within{outline:2px solid var(--g);outline-offset:1px}
.bist-dt textarea{min-height:70px;resize:vertical}
.bist-dt .full{grid-column:1/-1}
.bist-dt label.ck,.bist-dt label.pk{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);padding:10px 12px;cursor:pointer;margin-bottom:8px;background:#fff}
.bist-dt label.ck small,.bist-dt label.pk small{display:block;color:#6b6b6b;font-weight:400;font-size:12.5px}
.bist-dt input[type=checkbox],.bist-dt input[type=radio]{width:22px;height:22px;accent-color:var(--g);flex:none;margin-top:2px}
.bist-dt label.pk.on,.bist-dt label.ck.on{background:var(--sel);border-color:var(--g)}
.bist-dt label.pk.off{opacity:.5;cursor:not-allowed}
.bist-dt .nm{flex:1}
.bist-dt .u,.bist-dt .c{text-align:right;min-width:104px;font-size:13px;white-space:nowrap}
.bist-dt .c{font-weight:700;min-width:116px}
@media(max-width:640px){.bist-dt label.pk{flex-wrap:wrap}
.bist-dt .u,.bist-dt .c{min-width:0;text-align:left;flex:1}
.bist-dt .nm{flex-basis:calc(100% - 40px)}}
.bist-dt .warn{color:#c00000;font-weight:700;margin:6px 0}
.bist-dt .sum{border:1px solid var(--line)}
.bist-dt .sum div{display:flex;justify-content:space-between;padding:9px 12px;border-bottom:1px solid var(--line)}
.bist-dt .sum div:last-child{background:var(--g);color:#fff;font-weight:700;font-size:17px;border:0}
.bist-dt #tm{border:1px solid var(--line);padding:6px 14px;background:var(--grey)}
.bist-dt #tm p{margin:8px 0}
.bist-dt .note{font-size:12.5px;color:#404040}
.bist-dt .bar{position:fixed;left:0;right:0;bottom:0;background:var(--k);color:#fff;padding:10px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;z-index:9}
.bist-dt .bar b{font-size:20px;color:#fff}
.bist-dt .bar span{font-size:12px;color:#cfcfcf;display:block}
.bist-dt button{font:inherit;font-weight:700;padding:10px 16px;border:1px solid var(--g);background:var(--g);color:#fff;cursor:pointer}
.bist-dt button.o{background:#fff;color:var(--g)}
.bist-dt .btns{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
@media print{.bist-dt .bar,.bist-dt .btns{display:none}
.bist-dt{padding:0}}
.bist-dt a.zl{display:inline-block;padding:10px 16px;border:1px solid var(--g);color:var(--g);font-weight:700;text-decoration:none;margin-top:8px}

/* v1.2.1: chống theme ghi đè + bố cục gói trên điện thoại + hiển thị PDF */
.bist-dt{overflow-wrap:break-word}
.bist-dt .w{min-width:0;max-width:100%}
.bist-dt input[type=checkbox],.bist-dt input[type=radio]{width:24px!important;height:24px!important;min-width:24px!important;margin:0!important;padding:0!important;appearance:auto!important;-webkit-appearance:auto!important;position:static!important;opacity:1!important;flex:none}
.bist-dt input[type=text],.bist-dt input[type=tel],.bist-dt input[type=email],.bist-dt input[type=number],.bist-dt textarea{height:auto!important;min-height:44px!important;line-height:1.4!important;font-size:16px!important;padding:10px 12px!important;box-sizing:border-box!important;width:100%!important;margin:0!important}
.bist-dt textarea{min-height:90px!important}
.bist-dt label.pk{display:grid!important;grid-template-columns:28px minmax(0,1fr) auto;column-gap:12px;row-gap:6px;align-items:start}
.bist-dt label.pk input{grid-row:1 / span 2}
.bist-dt label.pk .nm{grid-column:2;min-width:0}
.bist-dt label.pk .pr{grid-column:3;display:flex;flex-direction:column;align-items:flex-end;gap:2px;white-space:nowrap}
.bist-dt label.pk .u,.bist-dt label.pk .c{min-width:0;flex:none;text-align:right}
@media(max-width:640px){
 .bist-dt label.pk{grid-template-columns:28px minmax(0,1fr)}
 .bist-dt label.pk .pr{grid-column:2;grid-row:2;flex-direction:row;justify-content:space-between;align-items:baseline;width:100%}
 .bist-dt label.pk .u{text-align:left}
}
.bist-dt .pdfv{min-height:44px;padding:10px 12px;border:1px solid #d4d4d4;background:#e9f0e6;border-radius:3px;line-height:1.4;white-space:pre-wrap;font-size:15px;box-sizing:border-box;width:100%}
.bist-dt .pdfc{font-size:22px;line-height:1;width:24px;display:inline-block;text-align:center}