/* ---- p_44_bl-tools.css ---- */
/* =====================================================================
   TOOLS & TEMPLATES (.sk-bo) - thư viện biểu mẫu
   Hình khối: ô lưới bảng tính, tiêu đề cột A-L, thanh công thức fx, tab định dạng XLSX/DOCX/PDF, viền mảnh 1px, bo 10px.
   Hệ màu: cam #ff6a13 / đen / trắng + giấy #f5f4f1. Mobile trước; mở rộng ở 700 / 820 / 1025px.
   ===================================================================== */
.sk-bo{--r:10px;--bw:1px;--hfw:800;--hls:-.035em;--bg:#f5f4f1;--bg2:#ebeae6;--card:#fff;--ink:#0a0a0c;--mut:#5d5d65;--ln:rgba(10,10,12,.14);--bo-gl:rgba(10,10,12,.07);--bo-hd:#ebeae6}
.sk-bo h2,.sk-bo h3,.sk-bo h4{margin:0}
.sk-bo .s-h{font-size:clamp(28px,7.4vw,60px);line-height:1.1}
.sk-bo .s-val{color:var(--ink)}
.bo-spr{position:absolute;width:0;height:0;overflow:hidden}
.bo-sr{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.bo-i{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.bo-ic{width:32px;height:40px;flex:none;color:var(--ink);transition:transform .35s cubic-bezier(.34,1.56,.64,1)}

/* nhãn địa chỉ ô (A1, B1...) đầu mỗi mục */
.sk-bo p.bo-ref,.sk-bo p.bo-kick{display:inline-flex;align-items:stretch;margin:0 0 14px;border:1px solid var(--ln);border-radius:4px;overflow:hidden;background:#fff;font:600 13px/1.2 var(--fb);color:var(--mut)}
.bo-ref i,.bo-kick i{display:grid;place-items:center;min-width:42px;padding:10px 8px;background:var(--bo-hd);border-right:1px solid var(--ln);font-style:normal;font-weight:800;color:var(--ink);letter-spacing:.04em}
.bo-ref span,.bo-kick span{display:flex;align-items:center;padding:0 12px 0 10px}
.sk-bo p.bo-refd{background:#16161b;border-color:rgba(255,255,255,.18);color:#c9c9d1}
.bo-refd i{background:var(--ac);color:#0a0a0c;border-color:rgba(255,255,255,.18)}
.sk-bo a.bo-lnk{display:inline-flex;align-items:center;min-height:44px;font:700 14px var(--fb);color:var(--ink);border-bottom:2px solid var(--ac);align-self:start;justify-self:start}

/* =====================  HERO  ===================== */
.bo-hero{padding:132px 0 clamp(26px,6vw,76px)}
.bo-hero::before{content:"";position:absolute;inset:0 0 auto;height:calc(79px + env(safe-area-inset-top,0px));background:#0a0a0c;z-index:-1}
.bo-hero::after{content:"";position:absolute;inset:105px 0 0;z-index:-1;pointer-events:none;background:linear-gradient(var(--bo-gl) 1px,transparent 1px) 0 0/100% 44px,linear-gradient(90deg,var(--bo-gl) 1px,transparent 1px) 0 0/calc(100%/8) 100%;-webkit-mask-image:linear-gradient(#000 30%,transparent 94%);mask-image:linear-gradient(#000 30%,transparent 94%)}
.bo-cols{position:absolute;left:0;right:0;top:calc(79px + env(safe-area-inset-top,0px));height:26px;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));background:var(--bo-hd);border-bottom:1px solid var(--ln);pointer-events:none;overflow:hidden}
.bo-cols span{display:grid;place-items:center;border-left:1px solid var(--ln);font:700 12px/1 var(--fb);color:var(--mut)}
.bo-cols span:first-child{border-left:0}
.bo-cols span:nth-child(n+9){display:none}
.bo-hg{display:flex;flex-direction:column;gap:18px;min-width:0}
.bo-ht{min-width:0}
.sk-bo .bo-title{margin:0;font-size:clamp(54px,15.4vw,100px);line-height:.94;letter-spacing:-.05em;font-weight:800}
.bo-selw{position:relative;display:inline-block;padding:0 .07em;margin-left:-.07em}
.bo-sel{position:absolute;inset:.07em 0 .03em;border:2px solid var(--ac);pointer-events:none;background:linear-gradient(var(--ac),var(--ac)) 0 0/7px 7px no-repeat,linear-gradient(var(--ac),var(--ac)) 100% 0/7px 7px no-repeat,linear-gradient(var(--ac),var(--ac)) 0 100%/7px 7px no-repeat,linear-gradient(var(--ac),var(--ac)) 100% 100%/7px 7px no-repeat}
.sk-bo .bo-sub{margin:clamp(14px,2vw,22px) 0 0;max-width:46ch;font-size:16px;line-height:1.6;color:#33333a}
.bo-btns{gap:10px;margin-top:20px}
.bo-btns .btn{flex:1 1 auto;padding-inline:14px;white-space:nowrap}
.bo-fan{position:relative;min-width:0}
.bo-stack{position:relative;width:min(100%,430px);margin:0 auto;--rh:26px;--c1:42px;--c2:30px;--c4:66px}
.bo-stack::before{content:"";display:block;padding-top:110%}
.bo-fc{position:absolute;left:14%;bottom:0;width:72%;aspect-ratio:.78;background:#fff;border:1px solid rgba(10,10,12,.26);border-radius:8px;overflow:hidden;box-shadow:0 24px 36px -22px rgba(10,10,12,.65);display:flex;flex-direction:column;transform-origin:50% 100%;transform:translate(var(--tx,0),var(--ty,0)) rotate(var(--rt,0deg));transition:transform .85s cubic-bezier(.2,.9,.25,1.06)}
.bo-fc[data-p="0"]{z-index:3}
.bo-fc[data-p="1"]{--tx:11%;--ty:-9%;--rt:5.5deg;z-index:2}
.bo-fc[data-p="2"]{--tx:-11%;--ty:-18%;--rt:-6deg;z-index:1}
.bo-tabl{display:flex;align-items:center;gap:8px;height:36px;padding:0 10px;border-bottom:1px solid var(--ln);background:#fff;font:700 13px/1 var(--fb);white-space:nowrap;overflow:hidden}
.bo-tabl b{padding:4px 6px;border-radius:3px;font-size:12px;letter-spacing:.05em;background:var(--ac);color:#0a0a0c}
.bo-tabl .bo-b2{background:#0a0a0c;color:#fff}
.bo-tabl .bo-b3{background:#fff;color:#0a0a0c;box-shadow:inset 0 0 0 1.5px #0a0a0c}
.bo-fbar{display:flex;align-items:center;height:26px;border-bottom:1px solid var(--ln);background:var(--bo-hd);font:500 12px/1 var(--fb);white-space:nowrap;overflow:hidden}
.bo-fbar i{display:grid;place-items:center;align-self:stretch;min-width:34px;background:#fff;border-right:1px solid var(--ln);font-style:normal;font-weight:700}
.bo-fbar em{padding:0 8px;font-weight:800;font-style:italic}
.bo-sheet{position:relative;flex:1;min-height:0;overflow:hidden;background:linear-gradient(var(--bo-gl),var(--bo-gl)) var(--c1) 0/1px 100% no-repeat,linear-gradient(var(--bo-gl),var(--bo-gl)) calc(var(--c1) + var(--c2)) 0/1px 100% no-repeat,linear-gradient(var(--bo-gl),var(--bo-gl)) calc(100% - var(--c4)) 0/1px 100% no-repeat,repeating-linear-gradient(180deg,transparent 0 calc(var(--rh) - 1px),var(--bo-gl) calc(var(--rh) - 1px) var(--rh))}
.bo-ln.bo-r{position:relative;display:grid;grid-template-columns:var(--c1) var(--c2) minmax(0,1fr) var(--c4);height:var(--rh);border-bottom:1px solid var(--bo-gl);font:500 12px/1 var(--fb)}
.bo-r span{display:flex;align-items:center;padding:0 6px;border-right:1px solid var(--bo-gl);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bo-r.bo-hd{background:var(--bo-hd);font-weight:700}
.bo-act{position:absolute;left:calc(var(--c1) + var(--c2));right:var(--c4);top:var(--rh);height:var(--rh);border:2px solid var(--ac);pointer-events:none;transform:translateY(calc(var(--rh)*2))}
.bo-act::before{content:"";position:absolute;left:-2px;right:-2px;top:-2px;bottom:-2px;box-shadow:0 0 0 1px #fff inset}
.bo-act::after{content:"";position:absolute;right:-5px;bottom:-5px;width:7px;height:7px;background:var(--ac);border:1px solid #fff}
.bo-doc2{padding:8px 12px}
.sk-bo .bo-doc2 p{position:relative;margin:0;display:flex;align-items:center;gap:7px;height:27px;border-bottom:1px dotted rgba(10,10,12,.3);font:500 12px/1 var(--fb);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bo-doc2 p b{font-weight:800}
.sk-bo .bo-doc2 p.bo-dh{height:30px;border-bottom:2px solid var(--ink);font-weight:800;letter-spacing:.06em}
.bo-ck2 p:not(.bo-dh)::before,.bo-ck li::before{content:"";flex:none;width:14px;height:14px;border:1.5px solid var(--ink);border-radius:3px;background:#fff center/100% no-repeat}
.bo-ck2 p.is-on::before,.bo-ck li.is-on::before{border-color:var(--ac);background-color:var(--ac);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M3 7.4l2.6 2.6L11 4.4' fill='none' stroke='%230a0a0c' stroke-width='2'/%3E%3C/svg%3E")}
.sk-bo p.bo-hint{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px 12px;margin:14px 0 0;font:500 13px/1.4 var(--fb);color:var(--mut)}
.bo-nx{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px 0 16px;border-radius:99px;border:1px solid var(--ink);background:#fff;color:var(--ink);font:700 13px var(--fb);cursor:pointer;transition:background .25s,color .25s}
.bo-nx .bo-i{width:16px;height:16px}
.bo-now{font-weight:600;color:var(--ink)}
.bo-nx:focus-visible,.bo-fo:focus-visible,.bo-dl:focus-visible,.bo-pm:focus-visible,.bo-dr-x:focus-visible{outline:2px solid var(--ac);outline-offset:2px}

@media(prefers-reduced-motion:no-preference){
  .kx-js .bo-sel{animation:boSel .9s cubic-bezier(.65,0,.35,1) 1s both}
  .bo-stack{animation:boFloat 7s ease-in-out infinite}
  .bo-fan.is-off .bo-stack,.bo-fan.is-off .bo-act{animation-play-state:paused}
  .kx-js .bo-fc.is-print .bo-ln{animation:boPrint .5s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--i)*.2s + .5s)}
  .kx-js .bo-fc.is-print .bo-ln::after{content:"";position:absolute;top:0;bottom:0;left:0;width:2px;background:var(--ac);box-shadow:0 0 8px var(--ac);animation:boHead .5s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--i)*.2s + .5s);pointer-events:none}
  .kx-js .bo-fc.is-print .bo-act{animation:boActP 1.2s steps(6) .7s both,boActI 9.8s steps(7) 2.5s infinite}
}
@media(hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){
  .bo-fc[data-p="1"]:hover{--tx:14%;--rt:7.5deg}
  .bo-fc[data-p="2"]:hover{--tx:-14%;--rt:-8deg}
}
@keyframes boSel{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0)}}
@keyframes boFloat{50%{transform:translateY(-6px)}}
@keyframes boPrint{from{clip-path:inset(0 100% 0 0);opacity:.2}to{clip-path:inset(0);opacity:1}}
@keyframes boHead{from{left:0;opacity:1}to{left:100%;opacity:0}}
@keyframes boActP{from{transform:translateY(0)}to{transform:translateY(calc(var(--rh)*6))}}
@keyframes boActI{from{transform:translateY(0)}to{transform:translateY(calc(var(--rh)*7))}}

@media(max-width:699px){.sk-bo p.bo-kick{display:none}}
@media(min-width:700px){
  .bo-cols{grid-template-columns:repeat(12,minmax(0,1fr))}
  .bo-cols span:nth-child(n+9){display:grid}
  .bo-hero::after{background-size:100% 44px,calc(100%/12) 100%}
  .bo-btns .btn{flex:0 0 auto;padding-inline:22px}
}
@media(min-width:820px){
  .bo-hero{padding-top:150px}
  .bo-hg{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(24px,4vw,64px);align-items:center}
  .sk-bo .bo-title{font-size:clamp(52px,7.4vw,108px)}
  .bo-stack{--rh:30px;--c1:50px;--c2:36px;--c4:74px}
  .bo-fc,.bo-r,.bo-tabl{font-size:13px}
  .bo-ln.bo-r{font-size:13px}
  .sk-bo .bo-doc2 p{font-size:13px;height:31px}
  .sk-bo .bo-doc2 p.bo-dh{height:34px}
}
@media(min-width:1025px){
  .bo-stack{width:min(100%,540px);--rh:34px;--c1:58px;--c2:40px;--c4:88px}
  .bo-tabl{height:42px;font-size:14px}
  .bo-tabl b{font-size:13px}
  .bo-fbar{height:30px;font-size:13px}
  .bo-ln.bo-r{font-size:14px}
  .sk-bo .bo-doc2 p{font-size:14px;height:36px}
  .sk-bo .bo-doc2 p.bo-dh{height:40px}
}

/* =====================  B1 · THƯ VIỆN MẪU  ===================== */
.sk-bo .s-sec{padding-block:clamp(40px,8vw,112px)}
.bo-lb{border:1px solid var(--ln);border-radius:var(--r);background:#fff;overflow:hidden;box-shadow:0 34px 60px -46px rgba(10,10,12,.55)}
.bo-fxb{display:flex;align-items:stretch;background:var(--bo-hd);border-bottom:1px solid var(--ln)}
.bo-cell{display:grid;place-items:center;min-width:46px;padding:0 10px;background:#fff;border-right:1px solid var(--ln);font:700 13px var(--fb);color:var(--mut)}
.bo-fxi{display:grid;place-items:center;min-width:38px;border-right:1px solid var(--ln);font:italic 800 15px var(--fb);color:var(--ink)}
.bo-fxb input{flex:1;min-width:0;min-height:52px;border:0;border-radius:0;background:#fff;color:var(--ink);font:500 16px var(--fb);padding:0 14px;outline:0;-webkit-appearance:none;appearance:none}
.bo-fxb input:focus-visible{box-shadow:inset 0 -3px 0 var(--ac)}
.sk-bo .bo-tabs.s-chips{margin:0;padding:10px 12px;gap:8px;border-bottom:1px solid var(--ln);background:#fff}
.bo-tabs .s-chip{background:#fff}
.bo-tabs .s-chip.on{background:var(--ink);border-color:var(--ink);color:#fff;box-shadow:inset 0 -3px 0 var(--ac)}
.bo-tabs .bo-n{margin-left:4px;font-weight:700;opacity:.65}
.bo-cnt{flex:none;display:flex;align-items:baseline;gap:6px;padding:0 14px 0 10px;background:#fff;border-left:1px solid var(--ln);align-self:stretch;align-items:center}
.bo-cnt .s-art{font-size:30px;line-height:1;color:var(--ink);min-width:1.1em;text-align:right}
.bo-cnt>span{font:600 13px var(--fb);color:var(--mut)}
.sk-bo ol.bo-fl{margin:0;padding:0;list-style:none;counter-reset:fr}
.bo-fr{counter-increment:fr;position:relative;display:grid;grid-template-columns:26px minmax(0,1fr) auto;align-items:stretch;border-top:1px solid var(--ln);background:#fff;transition:background .25s}
.bo-fl>.bo-fr:first-child{border-top:0}
.bo-fr::before{content:counter(fr);display:grid;place-items:center;background:var(--bo-hd);border-right:1px solid var(--ln);font:600 12px var(--fb);color:var(--mut)}
.bo-fr[hidden]{display:none}
.bo-fo{display:flex;align-items:center;gap:12px;min-height:74px;padding:10px 6px 10px 12px;border:0;border-radius:0;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer;min-width:0}
.bo-fb{display:block;min-width:0}
.bo-ft{display:block;font:700 15px/1.3 var(--fb);letter-spacing:-.01em}
.bo-fd{display:none;margin-top:3px;font:400 14px/1.5 var(--fb);color:var(--mut)}
.bo-fm{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;margin-top:5px;font:500 12.5px/1.2 var(--fb);color:var(--mut)}
.bo-fm b{padding:3px 6px;border-radius:3px;background:#0a0a0c;color:#fff;font-size:12px;letter-spacing:.05em}
.bo-fr[data-f=xlsx] .bo-fm b{background:var(--ac);color:#0a0a0c}
.bo-fr[data-f=pdf] .bo-fm b{background:#fff;color:#0a0a0c;box-shadow:inset 0 0 0 1.5px #0a0a0c}
.bo-fm i{font-style:normal}
.bo-fm u{text-decoration:none;font-weight:700;color:var(--ink);border-bottom:2px solid var(--ac)}
.bo-dl{align-self:center;display:inline-flex;align-items:center;gap:6px;min-height:44px;margin:0 10px 0 0;padding:0 14px;border-radius:10px;border:1px solid var(--ink);background:#fff;color:var(--ink);font:700 14px var(--fb);cursor:pointer;transition:background .25s,border-color .25s,transform .2s}
.bo-dl .bo-i{width:18px;height:18px}
.bo-dl .bo-i2{display:none}
.bo-dl:active{transform:scale(.95)}
.bo-dl.is-done{background:var(--ac);border-color:var(--ac)}
.bo-dl.is-done .bo-i1{display:none}
.bo-dl.is-done .bo-i2{display:block}
.bo-empty{padding:26px 20px 30px;text-align:center;border-top:1px solid var(--ln)}
.bo-empty[hidden]{display:none}
.sk-bo .bo-empty p{margin:0 0 14px;color:var(--mut)}
@media(prefers-reduced-motion:no-preference){
  .bo-fl.is-pop>.bo-fr{animation:boPop .5s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--i,0)*45ms)}
}
@keyframes boPop{from{opacity:0;transform:translateY(10px)}}
@media(hover:hover) and (pointer:fine){
  .bo-fr:hover{background:#fffaf5}
  .bo-fr::after{content:"";position:absolute;left:26px;top:0;bottom:0;width:3px;background:var(--ac);transform:scaleY(0);transform-origin:50% 0;transition:transform .35s cubic-bezier(.16,1,.3,1);pointer-events:none}
  .bo-fr:hover::after{transform:scaleY(1)}
  .bo-fr:hover .bo-ic{transform:rotate(-5deg) translateY(-2px)}
  .bo-dl:hover{background:var(--ink);color:#fff}
  .bo-tabs .s-chip:not(.on):hover{background:var(--bo-hd)}
}
@media(min-width:700px){
  .bo-fr{grid-template-columns:44px minmax(0,1fr) auto}
  .bo-fo{gap:18px;padding:14px 12px 14px 20px;min-height:96px}
  .bo-fd{display:block}
  .bo-ft{font-size:17px}
  .bo-dl{margin-right:20px}
  .bo-ic{width:40px;height:50px}
  .bo-cnt .s-art{font-size:38px}
  .bo-fxb input{min-height:60px}
}
@media(min-width:1025px){
  .sk-bo ol.bo-fl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--ln)}
  .bo-fl>.bo-fr,.bo-fl>.bo-fr:first-child{border-top:0}
  .bo-fl>.bo-fr.is-wide{grid-column:1/-1}
}

/* ---------- ngăn xem trước ---------- */
.bo-dr{position:fixed;inset:0;z-index:95;visibility:hidden}
.bo-dr[hidden]{display:none}
.bo-dr.is-open{visibility:visible}
.bo-dr-bg{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;border-radius:0;background:rgba(10,10,12,.55);opacity:0;transition:opacity .35s;cursor:pointer;touch-action:none}
.bo-dr.is-open .bo-dr-bg{opacity:1}
.bo-dr-p{position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;max-height:calc(100vh - 176px);max-height:calc(100dvh - 176px);background:#fff;color:var(--ink);border:1px solid var(--ln);border-bottom:0;border-radius:16px 16px 0 0;box-shadow:0 -24px 60px -20px rgba(0,0,0,.5);transform:translateY(104%);transition:transform .5s cubic-bezier(.16,1,.3,1);outline:0}
.bo-dr.is-open .bo-dr-p{transform:none}
.bo-dr-h{display:flex;align-items:center;gap:12px;padding:12px 8px 12px 16px;border-bottom:1px solid var(--ln)}
.bo-dr-ti{flex:1;min-width:0}
.bo-dr-ti h3{font-size:18px;line-height:1.25}
.sk-bo .bo-dr-ti p{margin:3px 0 0;font:500 13px/1.3 var(--fb);color:var(--mut)}
.bo-dr-x{flex:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--ln);background:#fff;display:grid;place-items:center;cursor:pointer;color:var(--ink)}
.bo-dr-tb{border-bottom:1px solid var(--ln);background:var(--bo-hd);font:600 13px var(--fb);color:var(--mut)}
.bo-dr-tb>div{display:none;align-items:center;min-height:38px;overflow:hidden;white-space:nowrap}
.bo-dr[data-f=xlsx] .bo-tb-x,.bo-dr[data-f=docx] .bo-tb-d,.bo-dr[data-f=pdf] .bo-tb-p{display:flex}
.bo-tc{align-self:stretch;display:grid;place-items:center;min-width:46px;background:#fff;border-right:1px solid var(--ln);color:var(--ink);font-weight:700}
.bo-tb-x em{padding:0 10px;font-weight:800;color:var(--ink)}
.bo-tf{padding-right:12px;color:var(--ink);overflow:hidden;text-overflow:ellipsis}
.bo-tg{display:grid;place-items:center;min-width:38px;height:38px;color:var(--ink);font-size:15px}
.bo-tz{padding:0 10px;color:var(--ink)}
.bo-dr-b{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:16px}
.bo-dr-f{display:grid;gap:8px;padding:12px 16px calc(14px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--ln);background:#fff}
.bo-dr-f .btn{width:100%;gap:8px}
.bo-dr-ln .btn{width:100%}
.sk-bo .bo-dr-n{margin:0;font:400 12.5px/1.4 var(--fb);color:var(--mut);text-align:center}
.bo-tw{overflow-x:auto;border:1px solid var(--ln);border-radius:6px}
.bo-pvt{width:100%;border-collapse:collapse;font:500 13px/1.4 var(--fb)}
.bo-pvt th{padding:9px 10px;background:var(--bo-hd);text-align:left;font-weight:700;white-space:nowrap}
.bo-pvt td{padding:9px 10px;border-top:1px solid var(--ln);vertical-align:top}
.bo-pvt td+td,.bo-pvt th+th{border-left:1px solid var(--ln)}
.bo-pvt .bo-etc td{color:var(--mut);font-style:italic}
.bo-pvt .bo-sum td{font-weight:700;background:#faf9f7}
.bo-pvt .bo-hot td{background:var(--ac);color:#0a0a0c}
.sk-bo .bo-pvn{margin:12px 0 0;font:400 13.5px/1.55 var(--fb);color:var(--mut)}
.bo-doc{padding:18px 16px;border:1px solid var(--ln);border-radius:6px;background:#fff;box-shadow:0 14px 28px -20px rgba(10,10,12,.45)}
.bo-doc .bo-tw{margin-top:4px}
.sk-bo .bo-dt{margin:0 0 6px;font:800 15px var(--fb);letter-spacing:.06em;text-align:center}
.sk-bo .bo-dm{margin:6px 0 12px;font:500 13px/1.5 var(--fb);color:var(--mut)}
.sk-bo ol.bo-q8,.sk-bo ol.bo-sv,.sk-bo .bo-ck ul{margin:0;padding:0;list-style:none}
.sk-bo ol.bo-q8{counter-reset:q8}
.bo-q8>li{counter-increment:q8;position:relative;display:grid;gap:2px;padding:9px 0 9px 30px;border-bottom:1px dotted rgba(10,10,12,.3)}
.bo-q8>li::before{content:counter(q8);position:absolute;left:0;top:9px;width:20px;height:20px;border-radius:50%;background:var(--ink);color:#fff;font:700 12px/20px var(--fb);text-align:center}
.bo-q8 b{font-size:14px}
.bo-q8 span{font-size:13px;line-height:1.4;color:var(--mut)}
.bo-sg{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.bo-sg span{padding-top:44px;border-top:1px solid var(--ink);font:600 12.5px/1.3 var(--fb);text-align:center;color:var(--mut)}
.bo-ck+.bo-ck{margin-top:14px}
.bo-ck h4{margin:0 0 4px;padding-bottom:6px;border-bottom:2px solid var(--ink);font:800 13px var(--fb);letter-spacing:.06em;text-transform:uppercase}
.bo-ck li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px dotted rgba(10,10,12,.28);font:500 14px/1.4 var(--fb)}
.bo-ck li::before{margin-top:2px}
.bo-sv li{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px;padding:11px 0;border-bottom:1px dotted rgba(10,10,12,.3);font:500 14px/1.4 var(--fb)}
.bo-sc{display:flex;gap:6px;font-style:normal}
.bo-sc u{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--ink);text-decoration:none;font:700 12px var(--fb)}
.bo-sv .bo-op{display:block;padding-bottom:30px}
@media(prefers-reduced-motion:no-preference){
  .bo-dr.is-open .bo-ln{animation:boPrint .45s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--i,0)*70ms + .25s)}
}
@media(min-width:700px){
  .bo-dr-p{left:auto;top:79px;right:0;bottom:0;width:min(580px,92vw);max-height:none;border:0;border-left:1px solid var(--ln);border-radius:0;box-shadow:-30px 0 60px -30px rgba(0,0,0,.5);transform:translateX(104%)}
  .bo-dr.is-open .bo-dr-p{transform:none}
  .bo-dr-f{grid-template-columns:1fr 1fr;align-items:center}
  .sk-bo .bo-dr-n{grid-column:1/-1}
}

/* =====================  C1 · RUN SHEET  /  C2 · GIÁ BÁN  ===================== */
.bo-ctl .btn{width:100%}
.bo-ctl .s-seg button{min-height:44px;padding:0 6px}
.bo-out{padding:16px}
.bo-ctl{padding:18px}
.bo-stw{display:grid;gap:6px}
.bo-strip{display:flex;gap:2px;height:36px;padding:2px;border:1px solid var(--ln);border-radius:6px;background:var(--bo-hd);overflow:hidden}
.bo-strip i{flex:var(--m,1) 1 0;min-width:3px;display:grid;place-items:center;border-radius:3px;background:var(--ac);color:#0a0a0c;font:700 12px/1 var(--fb);font-style:normal;overflow:hidden;transition:flex-grow .55s cubic-bezier(.16,1,.3,1),background .3s}
.bo-strip i:nth-child(even){background:#ffc59a}
.bo-strip i.is-warn{background:repeating-linear-gradient(45deg,#0a0a0c 0 4px,#45454c 4px 8px);color:#fff}
.bo-se{display:flex;justify-content:space-between;font:700 13px var(--fb);color:var(--ink);font-variant-numeric:tabular-nums}
.sk-bo ol.bo-rows{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.bo-r2{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"t s" "x x";gap:0 8px;align-items:center;padding:4px 6px 10px 12px;border:1px solid var(--ln);border-left:4px solid var(--ln);border-radius:8px;background:#fff;transition:background .3s,border-color .3s}
.bo-r2.is-warn{border-color:var(--ac);background:#fff7f1}
.bo-rt{grid-area:t;display:flex;align-items:center;gap:8px;font:700 15px/1.2 var(--fb);font-variant-numeric:tabular-nums}
.bo-rn{display:grid;place-items:center;flex:none;width:22px;height:22px;border-radius:50%;background:var(--ink);color:#fff;font:700 12px/1 var(--fb)}
.bo-rt sup{font-size:12px;font-weight:700;vertical-align:baseline;margin-left:2px}
.bo-rx{grid-area:x;min-width:0}
.bo-rx strong{display:block;font:600 15px/1.3 var(--fb)}
.bo-rx small{display:block;margin-top:1px;font:400 12.5px/1.35 var(--fb);color:var(--mut)}
.bo-rx em{display:none;margin-top:3px;font:700 12.5px/1.3 var(--fb);font-style:normal}
.bo-r2.is-warn .bo-rx em{display:block}
.bo-rs{grid-area:s;display:flex;align-items:center}
.bo-pm{width:44px;height:44px;border-radius:10px;border:1px solid var(--ln);background:#fff;color:var(--ink);font:700 20px/1 var(--fb);cursor:pointer;transition:background .2s,transform .15s}
.bo-pm:active{transform:scale(.9);background:var(--bo-hd)}
.bo-rs0{min-height:44px;padding:0 4px;border:0;background:none;color:var(--ink);font:700 13px var(--fb);text-decoration:underline;text-decoration-color:var(--ac);text-decoration-thickness:2px;text-underline-offset:4px;cursor:pointer}
.bo-runs .s-kpis>div{padding:9px 12px 10px}
.bo-runs .s-kpis b{font-size:19px}
.sk-bo a.bo-in{color:var(--ink);font-weight:700;border-bottom:2px solid var(--ac)}
.bo-rs output{min-width:42px;text-align:center;font:700 15px var(--fb);font-variant-numeric:tabular-nums}
.bo-acts{display:grid;gap:4px}
.bo-acts .btn{gap:8px}
.bo-txt summary{display:flex;align-items:center;min-height:44px;cursor:pointer;font:600 14px var(--fb);color:var(--ink)}
.bo-txt pre{margin:6px 0 0;padding:14px;border-radius:8px;background:#0a0a0c;color:#f5f5f6;font:500 12.5px/1.65 var(--fb);tab-size:14;white-space:pre;overflow:auto;max-height:260px}
.sk-bo .bo-note{margin:0}
@media(prefers-reduced-motion:no-preference){
  .bo-r2.is-new{animation:boPop .45s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--i,0)*40ms)}
  .bo-r2.is-chg .bo-rt span{animation:boFlash .7s ease-out}
  .bo-r2.is-warn .bo-rx em{animation:boShake .5s ease-out}
  .bo-eqv.is-chg{animation:boFlash2 .7s ease-out}
}
@keyframes boFlash{from{background:var(--ac);color:#0a0a0c}}
@keyframes boFlash2{from{box-shadow:0 0 0 6px rgba(255,106,19,.35)}}
@keyframes boShake{20%{transform:translateX(-4px)}60%{transform:translateX(4px)}}
.bo-split{display:flex;height:42px;border:1px solid var(--ln);border-radius:8px;overflow:hidden}
.bo-split i{display:flex;align-items:center;padding:0 10px;overflow:hidden;white-space:nowrap;font:700 13px var(--fb);font-style:normal;transition:width .6s cubic-bezier(.16,1,.3,1)}
.bo-sc1{background:#0a0a0c;color:#fff;width:80%}
.bo-sc2{background:var(--ac);color:#0a0a0c;width:20%}
.bo-qs .bo-out .s-kpis{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.bo-qs .bo-out .s-kpis>div{padding:10px 10px 11px}
.bo-qs .bo-out .s-kpis b{font-size:18px}
.bo-lad{border:1px solid var(--ln);border-radius:8px;overflow:hidden}
.bo-lad summary{display:flex;align-items:center;min-height:44px;padding:0 12px;background:var(--bo-hd);font:700 13.5px var(--fb);cursor:pointer}
.bo-lt{width:100%;border-collapse:collapse;font:500 14px var(--fb);font-variant-numeric:tabular-nums}
.bo-lt th,.bo-lt td{padding:8px 12px;text-align:left;border-top:1px solid var(--ln)}
.bo-lt th{font-size:12.5px;font-weight:600;color:var(--mut)}
.bo-lt tr.is-cur td{background:var(--ac);color:#0a0a0c;font-weight:700}
@media(min-width:700px){
  .bo-out{padding:22px}
  .bo-ctl{padding:24px}
  .bo-r2{grid-template-columns:150px minmax(0,1fr) auto;grid-template-areas:"t x s";gap:4px 18px;padding:8px 10px 8px 16px}
  .bo-acts{grid-template-columns:auto 1fr;align-items:center;gap:8px 22px}
  .bo-acts .btn{width:auto}
}
@media(min-width:1025px){
  .bo-calc>.bo-ctl{position:sticky;top:104px}
  .bo-calc>.s-out{position:static}
}

/* =====================  D1 · BÀI ĐI KÈM (khối tối)  ===================== */
.bo-arts{background:#0a0a0c}
.bo-dark{--ink:#fff;--mut:#a3a3ad;--ln:rgba(255,255,255,.16);--card:#16161b;position:relative;overflow:hidden;background:#0a0a0c;color:#fff;padding:clamp(44px,8vw,104px) 0}
.bo-big{position:absolute;right:-.03em;top:.04em;font-size:clamp(130px,36vw,400px);line-height:.85;color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.14);pointer-events:none;user-select:none}
.bo-dark .wrap{z-index:1}
.bo-dark .s-lead{color:#b9b9c2}
.sk-bo .bo-rail{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;margin-inline:calc(var(--gut)*-1);padding:4px var(--gut) 14px;scroll-padding-inline:var(--gut);scrollbar-width:none;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;perspective:none}
.bo-rail::-webkit-scrollbar{display:none}
.bo-rail>.card{flex:0 0 min(80%,320px);scroll-snap-align:start;min-width:0;background:#16161b;border-color:rgba(255,255,255,.16)}
.bo-dark .card-body em{font-size:12px}
.bo-dark .card-body small{font-size:12.5px}
@media(min-width:700px){.bo-rail>.card{flex-basis:min(44%,340px)}}
@media(min-width:1025px){
  .sk-bo .bo-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));overflow:visible;margin:0;padding:0}
  .bo-rail>.card{flex:none}
}

/* =====================  E1 · CÁCH DÙNG  ===================== */
.bo-howg{display:grid;gap:clamp(22px,4vw,40px)}
.bo-howg>.s-head{margin-bottom:0}
.bo-steps .s-steps{display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--ink);border-radius:8px;overflow:hidden;background:#fff}
.sk-bo .bo-steps .s-steps>li{position:relative;padding:14px 14px 14px 64px;border-bottom:1px solid var(--ln);min-height:76px}
.sk-bo .bo-steps .s-steps>li:last-child{border-bottom:0}
.sk-bo .bo-steps .s-steps>li::before{content:"";position:absolute;left:0;top:0;bottom:0;right:auto;width:50px;height:auto;background:var(--bo-hd);border-right:1px solid var(--ln);transition:background .35s}
.sk-bo .bo-steps .s-steps>li::after{content:"";position:absolute;inset:0;width:auto;height:auto;background:none;border:2px solid var(--ac);transform:none;opacity:0;transition:opacity .35s;pointer-events:none}
.sk-bo .bo-steps .s-steps>li.kx-in::after{transform:none}
.sk-bo .bo-steps .s-steps>li.is-sel::after{opacity:1}
.sk-bo .bo-steps .s-steps>li.is-sel::before{background:var(--ac)}
.bo-steps .s-steps b{position:absolute;left:0;top:15px;z-index:1;width:50px;margin:0;text-align:center;font:800 15px var(--fb);color:var(--ink);letter-spacing:0}
.bo-steps .s-steps h3{font-size:clamp(16px,1.6vw,19px);margin-bottom:6px}
.bo-steps .s-steps p{font-size:15px;line-height:1.55;color:#4a4a52}
.bo-lic{padding:6px 18px 6px;border:1.5px dashed var(--ink);border-radius:var(--r);background:#fff}
.bo-lic summary{display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer;font:800 clamp(17px,1.6vw,20px) var(--ff);letter-spacing:-.02em;list-style:none}
.bo-lic summary::-webkit-details-marker{display:none}
.bo-lic summary::after{content:"";margin-left:auto;width:30px;height:30px;flex:none;border-radius:50%;border:1px solid var(--ln);background:linear-gradient(var(--ac),var(--ac)) center/12px 2px no-repeat,linear-gradient(var(--ac),var(--ac)) center/2px 12px no-repeat;transition:transform .35s}
.bo-lic[open] summary::after{transform:rotate(135deg)}
.bo-lic[open] summary{margin-bottom:8px}
.bo-lic summary span{display:grid;place-items:center;flex:none;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;font:700 16px var(--fb)}
.sk-bo .bo-lic ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.bo-lic li{position:relative;padding-left:20px;font:400 15px/1.55 var(--fb);color:#33333a}
.bo-lic li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--ac)}
@media(min-width:1025px){
  .bo-howg{grid-template-columns:minmax(0,4fr) minmax(0,6fr);grid-template-areas:"h s" "l s";column-gap:clamp(36px,5vw,72px);align-items:start}
  .bo-howg>.s-head{grid-area:h}
  .bo-howg>.bo-steps{grid-area:s}
  .bo-howg>.bo-lic{grid-area:l}
}

/* thu gọn khối kit ở cuối trang trên mobile */
@media(max-width:640px){
  .bo-faq .fq-q{padding:16px 0}
  .sk-bo .s-rel a{min-height:0;gap:8px;padding:16px 18px}
  .sk-bo .s-relw{padding-block:32px}
  .sk-bo .s-rel a:nth-child(3){display:none}
  .sk-bo .s-pager{gap:10px;padding-block:8px 24px}
  .sk-bo .s-pager a{padding:14px 18px}
}

/* giảm chuyển động: đứng yên, nội dung hiện đủ */
@media(prefers-reduced-motion:reduce){
  .bo-fc,.bo-dr-p,.bo-dr-bg,.bo-strip i,.bo-split i,.bo-ic{transition:none}
  .bo-fc[data-p="0"] .bo-act{transform:translateY(calc(var(--rh)*3))}
}