/* ---- p_19_sv-conference.css ---- */
/* =====================================================================
   CONFERENCE  (.sk-cf)  - lịch chương trình kiểu Swiss: trang sáng, lưới 12 cột lộ rõ,
   kẻ dày, góc vuông. Hệ màu chung: trắng / đen / cam #ff6a13 (+ xám trung tính). Một font: Be Vietnam Pro.
   ===================================================================== */
.sk-cf{--bg:#f5f4f1;--bg2:#ffffff;--card:#ffffff;--ink:#0a0a0c;--mut:#55555e;--ln:rgba(10,10,12,.17);
  --ac:#ff6a13;--ac2:#ff8c42;--aci:#0a0a0c;
  --ff:'Be Vietnam Pro',system-ui,sans-serif;--fb:'Be Vietnam Pro',system-ui,sans-serif;
  --r:0px;--bw:2px;--sh:none;--hfw:800;--hls:-.04em;
  --paper:#f5f4f1;--gr:#0a0a0c;--ice:#d9d7d1;--gut:clamp(12px,1.6vw,24px);
  /* 4 "track": đen - cam - xám đậm - xám nhạt (phân biệt bằng độ sáng, chỉ cam là màu) */
  --tk0:#0a0a0c;--tk1:#ff6a13;--tk2:#5b5b63;--tk3:#d9d7d1;
  --ti0:#f5f4f1;--ti1:#0a0a0c;--ti2:#ffffff;--ti3:#0a0a0c;
  font-variant-numeric:tabular-nums}
.sk-cf .t0{--tk:var(--tk0);--ti:var(--ti0)}.sk-cf .t1{--tk:var(--tk1);--ti:var(--ti1)}
.sk-cf .t2{--tk:var(--tk2);--ti:var(--ti2)}.sk-cf .t3{--tk:var(--tk3);--ti:var(--ti3)}
.sk-cf :focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.sk-cf .btn-f{color:#fff}
.sk-cf .btn-g{border:2px solid var(--ink);color:var(--ink)}
.sk-cf .btn-g:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.sk-cf .btn{font-family:var(--ff);letter-spacing:.06em}
.sk-cf .cf-dk,.sk-cf .cf-ink{color:var(--ink)}

/* ---------- khung chung: tiêu đề trái, chú thích phải ---------- */
.sk-cf .cf-sec{padding:clamp(56px,8vw,108px) 0}
.sk-cf .cf-hd{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gut);align-items:end;border-top:4px solid var(--ink);padding-top:clamp(16px,2.2vw,26px);margin-bottom:clamp(26px,3.6vw,48px)}
.sk-cf .cf-hd .s-h{grid-column:1/9;font-size:clamp(32px,5.2vw,74px);line-height:1.04;letter-spacing:-.045em}
.sk-cf .cf-note{grid-column:9/13;font-size:15px;line-height:1.6;color:var(--mut);padding-bottom:.5em}
.sk-cf .cf-dk{--bg:#0a0a0c;--ink:#f5f4f1;--mut:#a3a3ad;--ln:rgba(245,244,241,.22);--aci:#0a0a0c;background:var(--bg);color:var(--ink)}
.sk-cf .cf-ink{--bg:#0a0a0c;--ink:#f5f4f1;--mut:#a3a3ad;--ln:rgba(245,244,241,.22);--aci:#0a0a0c;background:var(--bg);color:var(--ink)}
.sk-cf .cf-dk .btn-g,.sk-cf .cf-ink .btn-g{border-color:var(--ink);color:var(--ink)}
.sk-cf .cf-dk .btn-g:hover,.sk-cf .cf-ink .btn-g:hover{background:var(--ink);color:var(--bg)}

/* ---------- HERO ---------- */
.sk-cf .cf-hero{background:var(--bg);padding:clamp(104px,11vw,148px) 0 clamp(44px,5vw,72px)}
.cf-mast{position:absolute;left:0;right:0;top:0;height:78px;background:var(--ink);z-index:0}
.cf-mast::after{content:"";position:absolute;left:0;bottom:0;height:5px;width:clamp(120px,24vw,360px);background:var(--ac)}
.cf-gl{position:absolute;top:0;bottom:0;left:28px;right:28px;pointer-events:none;z-index:0;
  background:repeating-linear-gradient(90deg,var(--ln) 0 1px,transparent 1px calc(100%/12));border-right:1px solid var(--ln)}
.cf-hero .wrap>*:not(.cf-gl){position:relative;z-index:1}
.cf-hero .s-crumb{margin-bottom:clamp(14px,2vw,26px)}
.cf-title{margin:0 -.04em -.02em;padding:.1em .04em .1em;font-size:clamp(50px,13.2vw,204px);line-height:.88;letter-spacing:-.05em;font-weight:800;overflow:hidden}
.cf-ttl{position:relative;display:inline-block;white-space:nowrap;--cx:58%;--cx2:41%;--g:.05em}
.cf-a,.cf-b{display:block}
.cf-a{clip-path:polygon(0 -20%,calc(var(--cx) - var(--g)) -20%,calc(var(--cx2) - var(--g)) 120%,0 120%);transform:translateY(.04em)}
.cf-b{position:absolute;left:0;top:0;clip-path:polygon(calc(var(--cx) + var(--g)) -20%,100% -20%,100% 120%,calc(var(--cx2) + var(--g)) 120%);transform:translateY(-.04em)}
.cf-cut{position:absolute;inset:-12% 0;background:var(--ac);clip-path:polygon(calc(var(--cx) - var(--g)) 0,calc(var(--cx) + var(--g)) 0,calc(var(--cx2) + var(--g)) 100%,calc(var(--cx2) - var(--g)) 100%);transform-origin:50% 0}

.cf-top{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gut);align-items:end;margin-top:clamp(18px,2.6vw,36px)}
.cf-intro{grid-column:1/8}
.sk-cf .cf-sub{color:var(--ink);max-width:52ch;margin-top:0}
.cf-fig{grid-column:9/13;margin:0}
.cf-fig>div{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:12px;border-top:2px solid var(--ink);padding:10px 0 9px}
.cf-fig dt{font-size:13px;color:var(--mut)}
.cf-fig dd{margin:0;font:700 clamp(24px,2.7vw,36px)/1 var(--ff);letter-spacing:-.035em;text-align:right;white-space:nowrap}
.cf-fig small{font:500 13px var(--fb);letter-spacing:0;color:var(--mut);margin-left:4px}

/* ma trận hero */
.cf-hmx{margin-top:clamp(26px,3.6vw,52px);--lw:clamp(54px,9.4vw,128px);--hh:30px;--rh:clamp(40px,5.3vw,70px)}
.cf-hg{position:relative;display:grid;grid-template-columns:var(--lw) repeat(8,minmax(0,1fr));grid-template-rows:var(--hh) repeat(4,var(--rh));border-top:4px solid var(--ink)}
.cf-hg::before{content:"";position:absolute;left:var(--lw);right:0;top:var(--hh);bottom:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,var(--ln) 0 1px,transparent 1px 12.5%),repeating-linear-gradient(180deg,var(--ln) 0 1px,transparent 1px 25%);
  border-right:1px solid var(--ln);border-bottom:1px solid var(--ln)}
.cf-ht{grid-row:1;grid-column:calc(var(--c) + 2);font:500 12px/var(--hh) var(--ff);color:var(--mut);padding-left:6px;white-space:nowrap}
.cf-hr{grid-column:1;grid-row:calc(var(--r) + 2);display:flex;align-items:center;font:700 clamp(11px,1.2vw,15px) var(--ff);letter-spacing:-.01em;padding-right:6px}
.cf-hk{grid-row:calc(var(--r) + 2);grid-column:calc(var(--s) + 2)/span var(--l);margin:3px;padding:7px 9px;background:var(--tk);color:var(--ti);
  font:600 clamp(10px,1vw,13px)/1.15 var(--ff);font-style:normal;letter-spacing:-.01em;overflow:hidden;min-width:0;position:relative}
.cf-phw{position:absolute;left:var(--lw);right:0;top:var(--hh);bottom:0;overflow:hidden;pointer-events:none;opacity:0}
.cf-phw i{position:absolute;inset:0;background:linear-gradient(90deg,transparent 40%,color-mix(in srgb,var(--ac) 16%,transparent) calc(100% - 3px),var(--ac) calc(100% - 3px))}

/* ---------- AGENDA ---------- */
.cf-ag-bar{display:flex;justify-content:space-between;align-items:center;gap:12px 24px;flex-wrap:wrap;margin-bottom:16px}
.cf-flt{display:flex;flex-wrap:wrap;gap:8px}
.cf-chip{appearance:none;border:2px solid var(--ink);background:transparent;color:var(--ink);font:600 14px var(--ff);padding:9px 15px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;line-height:1.1;transition:background .25s,color .25s}
.cf-chip:hover{background:color-mix(in srgb,var(--ink) 9%,transparent)}
.cf-chip.on{background:var(--ink);color:var(--paper)}
.cf-sw{width:12px;height:12px;background:var(--tk);border:1px solid var(--ink);display:inline-block;flex:none}
.cf-chip.on .cf-sw{border-color:var(--paper)}
.cf-hint{font-size:13px;color:var(--mut)}

.cf-mxw{border:2px solid var(--ink);background:var(--paper)}
.cf-mx{--lw:136px;--hh:42px;--rh:104px;position:relative;display:grid;grid-template-columns:var(--lw) repeat(8,minmax(0,1fr));grid-template-rows:var(--hh) repeat(4,var(--rh))}
.cf-mx::before{content:"";position:absolute;left:var(--lw);right:0;top:var(--hh);bottom:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,var(--ln) 0 1px,transparent 1px 12.5%),repeating-linear-gradient(180deg,var(--ln) 0 1px,transparent 1px 25%)}
.cf-co{grid-row:1;grid-column:1;display:flex;align-items:flex-end;padding:0 14px 8px;font:500 12px var(--ff);color:var(--mut);border-bottom:2px solid var(--ink);border-right:2px solid var(--ink)}
.cf-th{grid-row:1;grid-column:calc(var(--i) + 2);align-self:stretch;display:flex;align-items:flex-end;padding:0 8px 8px;font:600 13px var(--ff);border-bottom:2px solid var(--ink);white-space:nowrap}
.cf-tr{grid-column:1;grid-row:calc(var(--tr) + 2);display:flex;flex-direction:column;justify-content:center;gap:3px;padding:10px 12px 10px 18px;border-right:2px solid var(--ink);border-top:1px solid var(--ln);box-shadow:inset 7px 0 0 var(--tk);transition:opacity .3s}
.cf-tr b{font:700 15px var(--ff);letter-spacing:-.02em}
.cf-tr small{font-size:13px;color:var(--mut);line-height:1.3}
.cf-tr.is-dim{opacity:.35}
.cf-s{grid-column:calc(var(--st) + 2)/span var(--ln);grid-row:calc(var(--tr) + 2);position:relative;margin:4px;padding:15px 11px 9px;border:2px solid var(--ink);background:#fff;color:var(--ink);text-align:left;font:inherit;cursor:pointer;
  display:flex;flex-direction:column;gap:5px;min-width:0;overflow:hidden;transition:background .3s,color .3s,transform .4s cubic-bezier(.34,1.56,.64,1),box-shadow .3s,opacity .3s,filter .3s}
.cf-s::before{content:"";position:absolute;left:0;top:0;right:0;height:7px;background:var(--tk);border-bottom:2px solid var(--ink)}
.cf-s-t{font:500 13px/1.1 var(--ff);color:var(--mut);white-space:nowrap}
@media(min-width:901px){.cf-s.l1 .cf-s-e{display:none}}
.cf-s-n{font:700 14px/1.18 var(--ff);letter-spacing:-.015em;overflow-wrap:anywhere}
.cf-s-k{display:none;font-size:13px;color:var(--mut)}
.cf-s-k b{color:var(--ink);font-family:var(--ff)}
.cf-s-x{position:absolute;right:7px;top:14px;width:20px;height:20px;background:var(--ti);display:none;place-items:center}
.cf-s-x::after{content:"";width:12px;height:12px;background:var(--tk);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='4' stroke-linecap='square'%3E%3Cpath d='M4 12.5l5.5 5.5L20 6.5'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='4' stroke-linecap='square'%3E%3Cpath d='M4 12.5l5.5 5.5L20 6.5'/%3E%3C/svg%3E") center/contain no-repeat}
@media(hover:hover){.cf-s:hover{transform:translateY(-3px);box-shadow:0 5px 0 var(--ink)}}
.cf-s:active{transform:scale(.97)}
.cf-s.is-on{background:var(--tk);color:var(--ti)}
.cf-s.is-on::before{background:var(--ti);border-bottom-color:var(--ti)}
.cf-s.is-on .cf-s-t,.cf-s.is-on .cf-s-k,.cf-s.is-on .cf-s-k b{color:var(--ti)}
.cf-s.is-on .cf-s-x{display:grid}
.cf-s.is-x{background-image:repeating-linear-gradient(135deg,transparent 0 7px,color-mix(in srgb,var(--ti) 24%,transparent) 7px 9px)}
.cf-s.is-x::after{content:"TRÙNG GIỜ";position:absolute;right:0;bottom:0;background:var(--ac);color:var(--aci);font:700 11px/1 var(--ff);letter-spacing:.05em;padding:4px 6px;border-top:2px solid var(--ink);border-left:2px solid var(--ink)}
.cf-s.is-dim{opacity:.2;filter:grayscale(1);pointer-events:none}
.cf-s.shake{animation:cfShake .45s}
@keyframes cfShake{20%{transform:translateX(-5px)}40%{transform:translateX(5px)}60%{transform:translateX(-3px)}80%{transform:translateX(3px)}}

.cf-alert{margin-top:14px;border:2px solid var(--ink);background:var(--ac);color:var(--aci);padding:14px 18px;display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;justify-content:space-between;font:500 15px/1.45 var(--fb)}
.cf-alert[hidden]{display:none}
.cf-alert b{font-family:var(--ff);font-weight:700}
.cf-alert div{display:flex;flex-wrap:wrap;gap:8px}
.cf-alert button{font:700 13px var(--ff);background:var(--ink);color:var(--paper);border:2px solid var(--ink);padding:9px 14px;cursor:pointer;min-height:40px}
.cf-alert button.g{background:transparent;color:var(--ink)}
.cf-alert button:hover{background:var(--paper);color:var(--ink)}

.cf-my{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gut);row-gap:28px;margin-top:clamp(26px,3.4vw,44px);align-items:start}
.cf-my-l{grid-column:1/8}
.cf-my-r{grid-column:9/13}
.cf-my-h{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 16px;border-top:4px solid var(--ink);padding-top:14px}
.cf-my-h h3{font-size:clamp(22px,2.3vw,30px);letter-spacing:-.03em}
.cf-pre{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--mut)}
.cf-pb{appearance:none;border:2px solid var(--ink);background:transparent;color:var(--ink);font:600 13px var(--ff);padding:7px 12px;cursor:pointer;min-height:36px;transition:background .25s,color .25s}
.cf-pb:hover{background:var(--ink);color:var(--paper)}
.cf-pb-x{border-color:var(--ln)}
.cf-list{display:grid;margin-top:6px;min-height:20px}
.cf-list li{display:grid;grid-template-columns:116px minmax(0,1fr) auto;gap:4px 14px;align-items:center;padding:13px 0 13px 14px;border-bottom:1px solid var(--ln);border-left:7px solid var(--tk);margin-top:-1px}
.cf-list time{font:600 14px var(--ff);white-space:nowrap}
.cf-li-n{display:block;font:700 16px/1.25 var(--ff);letter-spacing:-.02em}
.cf-li-s{display:block;font-size:13px;color:var(--mut);margin-top:2px}
.cf-li-w{display:inline-block;background:var(--ac);color:var(--aci);font:700 11px/1 var(--ff);letter-spacing:.05em;padding:3px 6px;margin-left:8px;vertical-align:2px}
.cf-del{appearance:none;border:2px solid var(--ink);background:transparent;color:var(--ink);font:600 12px var(--ff);padding:6px 10px;cursor:pointer;min-height:34px}
.cf-del:hover{background:var(--ink);color:var(--paper)}
.cf-empty{padding:18px 0;color:var(--mut);font-size:15px;border-bottom:1px solid var(--ln)}
.cf-empty[hidden]{display:none}
.cf-kpi{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;border-top:4px solid var(--ink)}
.cf-kpi>div{padding:12px 10px 12px 0;border-right:1px solid var(--ln);transition:background .3s}
.cf-kpi>div+div{padding-left:12px}
.cf-kpi>div:last-child{border-right:0}
.cf-kpi dt{font-size:13px;color:var(--mut)}
.cf-kpi dd{margin:6px 0 0;display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.cf-kpi b{font:700 clamp(38px,4.4vw,60px)/1 var(--ff);letter-spacing:-.05em}
.cf-kpi small{font-size:13px;color:var(--mut)}
.cf-kpi-x.on{background:var(--ac);color:var(--aci)}
.cf-kpi-x.on dt,.cf-kpi-x.on small{color:var(--aci)}
.cf-strip-w{margin-top:22px}
.cf-strip-t{font-size:13px;color:var(--mut)}
.cf-strip{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:3px;margin:8px 0 22px}
.cf-strip i{position:relative;height:34px;border:2px solid var(--ink);background:transparent;transition:background .35s}
.cf-strip i::after{content:attr(data-h);position:absolute;left:0;top:calc(100% + 4px);font:500 12px var(--ff);color:var(--mut)}
.cf-strip i.on{background:var(--tk)}
.cf-strip i.x{background:repeating-linear-gradient(135deg,var(--ac) 0 5px,var(--ink) 5px 8px)}
.cf-my-cta{width:100%;justify-content:center}

/* ---------- HỘI TRƯỜNG ---------- */
.cf-hl{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gut);align-items:stretch}
.cf-hl-fig{grid-column:1/9;margin:0;border:2px solid var(--ink);background:#fff;position:relative;min-width:0}
.cf-hl-svg{display:block;width:100%;height:auto;aspect-ratio:348/236}
.cf-hl-fig figcaption{padding:9px 14px 11px;border-top:1px solid var(--ln);font-size:13px;line-height:1.5;color:var(--mut)}
.cf-hl-side{grid-column:9/13;display:grid;gap:clamp(18px,2vw,28px);align-content:start;min-width:0}
.cf-lab{font:600 14px var(--ff);margin:0 0 9px;border-top:4px solid var(--ink);padding-top:10px}
.cf-lay{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:22px}
.cf-lay button{display:flex;align-items:center;gap:10px;border:2px solid var(--ink);background:transparent;color:var(--ink);font:600 14px var(--ff);padding:9px 10px;cursor:pointer;text-align:left;min-height:48px;transition:background .25s,color .25s}
.cf-lay svg{width:26px;height:26px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:square}
.cf-lay button.on{background:var(--ink);color:var(--paper)}
.cf-lay button:not(.on):hover{background:color-mix(in srgb,var(--ink) 9%,transparent)}
.cf-rm{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.cf-rm button{appearance:none;border:2px solid var(--ink);background:transparent;color:var(--ink);text-align:left;padding:9px 10px;cursor:pointer;min-height:54px;display:grid;gap:2px;transition:background .25s,color .25s}
.cf-rm b{font:700 14px var(--ff);letter-spacing:-.02em;white-space:nowrap}
.cf-rm small{font-size:12.5px;color:var(--mut)}
.cf-rm button.on{background:var(--ink);color:var(--paper)}
.cf-rm button.on small{color:var(--ice)}
.cf-hl-out{border-top:4px solid var(--ink);padding-top:12px}
.cf-cap-l{font-size:13px;color:var(--mut)}
.cf-cap{display:flex;align-items:baseline;gap:10px;margin:2px 0 6px}
.cf-cap b{font:700 clamp(64px,8vw,116px)/.95 var(--ff);letter-spacing:-.06em}
.cf-cap span{font:600 18px var(--ff)}
.cf-hl-dl{margin:0;display:grid;gap:0}
.cf-hl-dl>div{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--ln);padding:8px 0;font-size:14px}
.cf-hl-dl dt{color:var(--mut)}.cf-hl-dl dd{margin:0;font:600 14px var(--ff);text-align:right}
.cf-hl-use{font-size:14.5px;line-height:1.55;color:var(--ink);border-top:1px solid var(--ln);padding-top:10px}
/* nét vẽ trong SVG hội trường (đơn vị: 1 = 10 cm) */
.cf-w{fill:none;stroke:var(--ink);stroke-width:2.4;vector-effect:non-scaling-stroke;stroke-linejoin:miter}
.cf-wf{fill:#fff;stroke:none}
.cf-st{fill:var(--ac);stroke:var(--ink);stroke-width:1.6;vector-effect:non-scaling-stroke}
.cf-led{stroke:var(--ink);stroke-width:5;vector-effect:non-scaling-stroke}
.cf-dm{stroke:var(--ink);stroke-width:1;fill:none;vector-effect:non-scaling-stroke}
.cf-dt{font-weight:500;font-size:calc(var(--k,1)*7px);font-family:var(--ff);fill:var(--mut);text-anchor:middle}
.cf-dt.b{fill:var(--ink);font-weight:700}
.cf-tb2{fill:var(--ice);stroke:var(--ink);stroke-width:1.2;vector-effect:non-scaling-stroke}
.cf-ch{transform:translate(calc(var(--x)*1px),calc(var(--y)*1px)) rotate(var(--a,0deg));opacity:var(--o,1);transition:transform .95s cubic-bezier(.16,1,.3,1) calc(var(--d,0)*1ms),opacity .45s calc(var(--d,0)*1ms)}
.cf-ch rect{fill:var(--paper);stroke:var(--ink);stroke-width:1;vector-effect:non-scaling-stroke}
.cf-ch path{fill:none;stroke:var(--ink);stroke-width:2;vector-effect:non-scaling-stroke}
.cf-hl-tb{transition:opacity .3s}
.cf-nt .cf-ch{transition:none!important}
.cf-nt .cf-el-s,.cf-nt .cf-el-l,.cf-nt .cf-sk,.cf-nt .cf-el-p{transition:none!important}
.cf-ch[data-h]{pointer-events:none}
.cf-hl-room{animation:cfFade .6s both}
@keyframes cfFade{from{opacity:0}}

/* ---------- THÔNG SỐ KỸ THUẬT ---------- */
.cf-tabs{display:inline-grid;grid-auto-flow:column;grid-auto-columns:1fr;border:2px solid var(--ink)}
.cf-tabs button{appearance:none;border:0;background:transparent;color:var(--ink);font:600 15px var(--ff);padding:13px 22px;cursor:pointer;white-space:nowrap;min-height:48px;transition:background .3s,color .3s}
.cf-tabs button+button{border-left:2px solid var(--ink)}
.cf-tabs button.on{background:var(--ink);color:var(--bg)}
.cf-tabs button:not(.on):hover{background:color-mix(in srgb,var(--ink) 12%,transparent)}
.cf-sp-ctl{margin-bottom:clamp(22px,3vw,36px)}
.cf-sp-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gut);align-items:start}
.cf-sp-fig{grid-column:1/6;margin:0;border:2px solid var(--ink);padding:14px 14px 10px;position:sticky;top:100px;min-width:0}
.cf-sp-svg{display:block;width:100%;height:auto;aspect-ratio:190/106;overflow:visible}
.cf-sp-fig figcaption{font-size:13px;color:var(--mut);margin-top:8px;line-height:1.5}
.cf-el-g{stroke:var(--ink);stroke-width:1.4;vector-effect:non-scaling-stroke}
.cf-el-s,.cf-el-l,.cf-sk{transform:translate(calc(var(--x)*1px),calc(var(--y)*1px)) scale(var(--w),var(--h));transform-origin:0 0;transition:transform .8s cubic-bezier(.16,1,.3,1)}
.cf-el-s{fill:var(--ink)}
.cf-el-l{fill:var(--ac);stroke:var(--ink);stroke-width:1;vector-effect:non-scaling-stroke}
.cf-sk{fill:none;stroke:var(--ink);stroke-width:1.2;vector-effect:non-scaling-stroke}
.cf-el-p{fill:none;stroke:var(--ink);stroke-width:1.6;vector-effect:non-scaling-stroke;stroke-linecap:round;stroke-linejoin:round;transition:transform .8s cubic-bezier(.16,1,.3,1)}
.cf-el-t text{font:500 5.2px var(--ff);fill:var(--ink)}
.cf-el-t .dl{stroke:var(--ink);stroke-width:.8;vector-effect:non-scaling-stroke}
.cf-sp-list{margin:0;grid-column:6/13;border-bottom:1px solid var(--ln)}
.cf-sp-r{display:grid;grid-template-columns:minmax(120px,.7fr) minmax(0,1.5fr);gap:6px 22px;padding:15px 0;border-top:1px solid var(--ln);animation:cfRow .55s cubic-bezier(.16,1,.3,1) both;animation-delay:calc(var(--k)*50ms)}
.cf-sp-r dt{font:600 15px var(--ff);padding-top:3px}
.cf-sp-r dd{margin:0}
.cf-sp-r b{display:block;font:700 clamp(19px,1.9vw,25px)/1.2 var(--ff);letter-spacing:-.03em}
.cf-sp-r span{display:block;font-size:13.5px;color:var(--mut);line-height:1.5;margin-top:4px}
@keyframes cfRow{from{opacity:0;transform:translateX(18px)}}

/* ---------- ĐĂNG KÝ + CHECK-IN ---------- */
.cf-ck{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gut);align-items:start}
.cf-fn{grid-column:1/7;min-width:0}
.cf-sc{grid-column:8/13;min-width:0}
.cf-fn-ctl{display:grid;gap:14px;margin-bottom:26px}
.cf-fn-l{display:flex;justify-content:space-between;align-items:baseline;font:600 15px var(--ff)}
.cf-fn-l output{font:700 28px var(--ff);letter-spacing:-.04em}
.cf-ck input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;background:linear-gradient(90deg,var(--ac) var(--fill,20%),var(--ln) 0);outline-offset:8px;cursor:pointer;margin:6px 0}
.cf-ck input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;background:var(--ink);border:5px solid var(--ac);border-radius:0}
.cf-ck input[type=range]::-moz-range-thumb{width:16px;height:16px;background:var(--ink);border:5px solid var(--ac);border-radius:0}
.cf-fn-seg{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--ink)}
.cf-fn-seg button{appearance:none;border:0;background:transparent;color:var(--ink);font:600 14px var(--ff);padding:11px 8px;cursor:pointer;min-height:44px;transition:background .3s,color .3s}
.cf-fn-seg button+button{border-left:2px solid var(--ink)}
.cf-fn-seg button.on{background:var(--ink);color:var(--bg)}
.cf-fn-st{display:grid;gap:6px}
.cf-fn-st li{display:grid;grid-template-columns:minmax(0,1fr) minmax(130px,.42fr);gap:18px;align-items:center}
.cf-fn-sh{height:76px;display:grid}
.cf-fn-sh i{display:block;height:100%;width:var(--w,100%);margin:0 auto;justify-self:center;background:var(--fc);border:2px solid var(--ink);clip-path:polygon(0 0,100% 0,calc(50% + var(--b,1)*50%) 100%,calc(50% - var(--b,1)*50%) 100%)}
.cf-fn-st .s0{--fc:transparent}.cf-fn-st .s1{--fc:var(--ink)}.cf-fn-st .s2{--fc:var(--ac)}
.cf-fn-sh i{border:0;box-shadow:none}
.cf-fn-st .s0 i{background:linear-gradient(var(--ink),var(--ink)) 0 0/100% 2px no-repeat,repeating-linear-gradient(135deg,color-mix(in srgb,var(--ink) 50%,transparent) 0 2px,transparent 2px 7px)}
.cf-fn-tx small{display:block;font-size:13px;color:var(--mut)}
.cf-fn-tx b{display:block;font:700 clamp(30px,3.6vw,48px)/1 var(--ff);letter-spacing:-.05em}
.cf-fn-tx span{display:block;font-size:13px;color:var(--mut);margin-top:2px}
.cf-fn-note{margin-top:20px;border-top:2px solid var(--ink);padding-top:12px;font-size:14.5px;line-height:1.6;color:var(--ink)}

.cf-sc-cam{position:relative;aspect-ratio:1/1;width:min(100%,380px);margin:0 auto;background:#101012;border:2px solid var(--ink);display:grid;place-items:center;overflow:hidden}
.cf-sc-q{width:62%;aspect-ratio:1;background:#fff;padding:5%;opacity:0;transform:scale(1.3);filter:blur(3px);transition:transform .6s cubic-bezier(.16,1,.3,1),opacity .4s,filter .5s}
.cf-sc-q svg{display:block;width:100%;height:100%}
.cf-sc-cam[data-st="scan"] .cf-sc-q,.cf-sc-cam[data-st="done"] .cf-sc-q{opacity:1;transform:none;filter:none}
.cf-sc-c{position:absolute;width:38px;height:38px;border:0 solid var(--ac);pointer-events:none}
.cf-sc-c.a{left:12px;top:12px;border-width:4px 0 0 4px}.cf-sc-c.b{right:12px;top:12px;border-width:4px 4px 0 0}
.cf-sc-c.c{left:12px;bottom:12px;border-width:0 0 4px 4px}.cf-sc-c.d{right:12px;bottom:12px;border-width:0 4px 4px 0}
.cf-sc-ln{position:absolute;inset:0;background:linear-gradient(180deg,transparent calc(50% - 2px),var(--ac) calc(50% - 2px) calc(50% + 2px),transparent calc(50% + 2px));opacity:0;pointer-events:none}
.cf-sc-cam[data-st="scan"] .cf-sc-ln{opacity:1;animation:cfScan .95s ease-in-out both}
@keyframes cfScan{from{transform:translateY(-40%)}to{transform:translateY(40%)}}
.cf-sc-ph{position:absolute;left:14%;right:14%;text-align:center;color:#bdbdc6;font-size:14px;line-height:1.5;transition:opacity .3s}
.cf-sc-cam:not([data-st="idle"]) .cf-sc-ph{opacity:0}
.cf-sc-v{position:absolute;inset:0;display:grid;place-items:center;font:700 clamp(60px,11vw,110px) var(--ff);opacity:0;transform:scale(.5);pointer-events:none}
.cf-sc-v.ok,.cf-sc-v.dup,.cf-sc-v.bad{opacity:1;transform:none;transition:transform .5s cubic-bezier(.34,1.56,.64,1),opacity .2s}
.cf-sc-v svg{width:46%;height:46%;fill:none;stroke:currentColor;stroke-width:3.4;stroke-linecap:square;stroke-linejoin:miter}
.cf-sc-v.ok{background:color-mix(in srgb,#f5f4f1 92%,transparent);color:var(--gr)}
.cf-sc-v.dup{background:color-mix(in srgb,var(--ac) 94%,transparent);color:var(--aci)}
.cf-sc-v.bad{background:color-mix(in srgb,#0a0a0c 90%,transparent);color:var(--ac)}
.cf-sc-res{margin-top:14px;padding:14px 16px;border:2px solid var(--ink);display:grid;gap:3px;min-height:104px;align-content:center}
.cf-sc-res b{font:700 clamp(20px,2vw,26px)/1.15 var(--ff);letter-spacing:-.03em}
.cf-sc-res span{font-size:14px;line-height:1.5;color:var(--mut)}
.cf-sc-res[data-k="ok"]{background:var(--paper);color:var(--gr);border-color:var(--paper)}
.cf-sc-res[data-k="ok"] span{color:#55555e}
.cf-sc-res[data-k="dup"]{background:var(--ac);color:var(--aci);border-color:var(--ac)}
.cf-sc-res[data-k="dup"] span{color:var(--aci)}
.cf-sc-res[data-k="bad"]{border-color:var(--ac);color:var(--ac);background:repeating-linear-gradient(135deg,transparent 0 8px,color-mix(in srgb,var(--ac) 12%,transparent) 8px 10px)}
.cf-sc-res[data-k="bad"] span{color:#ffc9a0}
.cf-sc-res.pop{animation:cfPop .5s cubic-bezier(.34,1.56,.64,1)}
@keyframes cfPop{from{transform:scale(.96)}}
.cf-sc-lab{margin:18px 0 8px;font-size:13px;color:var(--mut)}
.cf-sc-tix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.cf-tx{appearance:none;display:grid;grid-template-columns:54px minmax(0,1fr);gap:10px;align-items:center;text-align:left;border:2px solid var(--ink);background:transparent;color:var(--ink);padding:8px;cursor:pointer;font:inherit;min-height:72px;transition:background .25s,color .25s,transform .35s cubic-bezier(.34,1.56,.64,1)}
.cf-tx:hover{background:color-mix(in srgb,var(--ink) 10%,transparent)}
.cf-tx:active{transform:scale(.97)}
.cf-tx.on{background:var(--ink);color:var(--bg)}
.cf-tx-q{width:54px;height:54px;background:#fff;padding:3px}
.cf-tx-q svg{display:block;width:100%;height:100%}
.cf-tx b{display:block;font:700 14px/1.2 var(--ff);letter-spacing:-.02em}
.cf-tx small{display:block;font-size:13px;opacity:.78;margin-top:2px;line-height:1.3}
.cf-sc-foot{margin-top:18px;border-top:2px solid var(--ink);padding-top:10px}
.cf-sc-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 14px}
.cf-sc-cnt{font:600 15px var(--ff)}
.cf-sc-rs{appearance:none;border:2px solid var(--ink);background:transparent;color:var(--ink);font:600 13px var(--ff);padding:6px 11px;min-height:36px;cursor:pointer;transition:background .25s,color .25s}
.cf-sc-rs:hover{background:var(--ink);color:var(--bg)}
.cf-sc-cnt b{font:700 30px var(--ff);letter-spacing:-.04em;margin:0 4px}
.cf-sc-log{display:grid;margin-top:6px}
.cf-sc-log li{display:grid;grid-template-columns:70px minmax(0,1fr) auto;gap:10px;align-items:baseline;padding:7px 0;border-top:1px solid var(--ln);font-size:13px;animation:cfRow .5s both}
.cf-sc-log time{font:500 13px var(--ff);color:var(--mut)}
.cf-sc-log em{font-style:normal;font:700 12px var(--ff);letter-spacing:.04em;padding:2px 6px;border:1.5px solid currentColor}
.cf-sc-log em.ok{color:#f5f4f1}.cf-sc-log em.dup,.cf-sc-log em.bad{color:var(--ac)}

/* ---------- PHẠM VI ---------- */
.cf-ix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:calc(var(--gut)*2);border-top:4px solid var(--ink)}
.cf-ix li{display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;padding:22px 0;border-bottom:1px solid var(--ln);transition:background .35s}
.cf-ix-i{width:48px;height:48px;background:var(--ink);color:var(--paper);display:grid;place-items:center;transition:background .35s,color .35s}
.cf-ix-i svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:square;stroke-linejoin:miter}
.cf-ix h3{font-size:clamp(19px,1.9vw,24px);letter-spacing:-.03em;margin-bottom:6px}
.cf-ix p{font-size:15px;line-height:1.55;color:var(--mut);max-width:44ch}
@media(hover:hover){.cf-ix li:hover .cf-ix-i{background:var(--ac);color:var(--aci)}.cf-ix li:hover{background:color-mix(in srgb,var(--ink) 5%,transparent)}}

/* ---------- FAQ + liên quan + cuối trang ---------- */
.sk-cf .cf-faqw{max-width:980px}
.sk-cf .fq{border-top:2px solid var(--ink)}
.sk-cf .fq-i{border-bottom:1px solid var(--ln)}
.sk-cf .fq-q{font:700 clamp(17px,1.7vw,21px) var(--ff);letter-spacing:-.025em;padding:20px 0}
.sk-cf .fq-q::after{border-radius:0;border:2px solid var(--ink);background:linear-gradient(var(--ink),var(--ink)) center/12px 2px no-repeat,linear-gradient(var(--ink),var(--ink)) center/2px 12px no-repeat}
.sk-cf .fq-i.open .fq-q::after{background-color:var(--ac)}
.sk-cf .fq-a p{max-width:68ch}
.sk-cf .s-relw{background:var(--bg)}
.sk-cf .s-relw .s-h{letter-spacing:-.04em}
.sk-cf .s-rel a,.sk-cf .s-pager a{border:2px solid var(--ink);background:#fff}
.sk-cf .s-rel a:hover,.sk-cf .s-pager a:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.sk-cf .s-rel a:hover small,.sk-cf .s-pager a:hover small{color:var(--ice)}
.sk-cf .s-rel b svg{border-color:currentColor;color:inherit;border-radius:0}
.sk-cf .s-rel a:hover b svg{background:var(--ac);color:var(--aci);border-color:var(--ac)}
.sk-cf .s-cta{border-top:4px solid var(--ink)}
.sk-cf .s-cta .s-h{max-width:18ch;font-size:clamp(34px,5.4vw,78px);letter-spacing:-.045em;line-height:1.04}
.sk-cf .s-cta.inv .btn-f{background:var(--ink);color:var(--paper)}
.sk-cf .s-cta.inv .btn-f:hover{background:var(--paper);color:var(--ink)}
.sk-cf .s-cta.inv .btn-g{border-color:var(--ink);color:var(--ink)}
.sk-cf .s-cta.inv .btn-g:hover{background:var(--ink);color:var(--ac)}
/* marquee kiểu bảng giờ */
.sk-cf .s-mq{border-block:4px solid var(--ink);padding:clamp(10px,1.6vw,18px) 0;background:var(--bg)}
.sk-cf .s-mq-t span{letter-spacing:-.04em}
.sk-cf .s-mq-t span::after{content:"";width:.34em;height:.34em;background:var(--ac);font-size:inherit}
.sk-cf .s-mq.out span{-webkit-text-stroke:1.5px var(--ink)}

/* ---------- hiệu ứng vào hero (chỉ khi JS motion bật) ---------- */
.kx-js .cf-a{animation:cfSlA 1.15s cubic-bezier(.16,1,.3,1) .08s backwards}
.kx-js .cf-b{animation:cfSlB 1.15s cubic-bezier(.16,1,.3,1) .2s backwards}
.kx-js .cf-cut{animation:cfCut .8s cubic-bezier(.65,0,.35,1) .95s backwards}
.kx-js .cf-intro>*,.kx-js .cf-fig>div{animation:cfUp .9s cubic-bezier(.16,1,.3,1) backwards}
.kx-js .cf-sub{animation-delay:.55s}.kx-js .cf-btns{animation-delay:.7s}
.kx-js .cf-fig>div:nth-child(1){animation-delay:.75s}.kx-js .cf-fig>div:nth-child(2){animation-delay:.87s}.kx-js .cf-fig>div:nth-child(3){animation-delay:.99s}
.kx-js .cf-hr,.kx-js .cf-ht{animation:cfUp .7s cubic-bezier(.16,1,.3,1) backwards;animation-delay:calc(.3s + var(--c,var(--r,0))*.06s)}
.kx-js .cf-hk{animation:cfFill .75s cubic-bezier(.16,1,.3,1) calc(.5s + var(--s)*.3625s) backwards}
.kx-js .cf-phw{opacity:1;animation:cfPhOut .1s linear 3.45s forwards}
.kx-js .cf-phw i{animation:cfPh 2.9s linear .5s backwards}
@keyframes cfSlA{from{transform:translateY(120%)}}
@keyframes cfSlB{from{transform:translateY(-120%)}}
@keyframes cfCut{from{transform:scaleY(0)}}
@keyframes cfUp{from{opacity:0;transform:translateY(22px)}}
@keyframes cfFill{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes cfPh{from{transform:translateX(-100%)}to{transform:translateX(0)}}
@keyframes cfPhOut{to{opacity:0}}
@media(prefers-reduced-motion:reduce){.cf-s,.cf-ch,.cf-sp-r,.cf-sc-log li{animation:none!important;transition:none!important}}

/* =====================  iPad (<=1024)  ===================== */
@media(max-width:1024px){
  .sk-cf .cf-hd .s-h{grid-column:1/-1}
  .sk-cf .cf-note{grid-column:1/-1;max-width:62ch;margin-top:14px;padding-bottom:0}
  .cf-intro{grid-column:1/8}.cf-fig{grid-column:8/13}
  .cf-mx{--lw:104px;--rh:112px}
  .cf-tr{padding-left:14px}
  .cf-my-l{grid-column:1/-1}.cf-my-r{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:20px 28px;align-items:end}
  .cf-my-r .cf-strip-w{margin-top:0}.cf-my-cta{grid-column:1/-1}
  .cf-hl-fig{grid-column:1/-1}.cf-hl-side{grid-column:1/-1;grid-template-columns:1fr 1fr;align-items:start}
  .cf-sp-fig{grid-column:1/-1;position:static;max-width:640px}.cf-sp-list{grid-column:1/-1}
  .cf-fn{grid-column:1/-1}.cf-sc{grid-column:1/-1}
  .cf-sc{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:0 28px;align-items:start}
  .cf-sc-cam{grid-row:1/4;width:100%}.cf-sc-res{margin-top:0}.cf-sc-lab{margin-top:14px}
  .cf-sc-foot{grid-column:1/-1}
  .cf-ix{column-gap:var(--gut)}
}
/* iPad dọc: ma trận quay ngang thành time x track */
@media(max-width:900px){
  .cf-top{grid-template-columns:1fr}.cf-intro,.cf-fig{grid-column:1/-1}
  .cf-fig{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 var(--gut);margin-top:22px}
  .cf-fig>div{grid-template-columns:1fr;gap:4px}.cf-fig dd{text-align:left}
  .cf-mx{--lw:68px;--hh:50px;--rh:78px;grid-template-columns:var(--lw) repeat(4,minmax(0,1fr));grid-template-rows:var(--hh) repeat(8,var(--rh))}
  .cf-mx::before{background:repeating-linear-gradient(90deg,var(--ln) 0 1px,transparent 1px 25%),repeating-linear-gradient(180deg,var(--ln) 0 1px,transparent 1px 12.5%)}
  .cf-th{grid-row:calc(var(--i) + 2);grid-column:1;align-items:flex-start;padding:7px 8px 0;border-bottom:0;border-right:2px solid var(--ink)}
  .cf-tr{grid-column:calc(var(--tr) + 2);grid-row:1;border-right:0;border-top:0;border-bottom:2px solid var(--ink);box-shadow:inset 0 7px 0 var(--tk);padding:14px 8px 6px;justify-content:flex-end}
  .cf-tr small{display:none}
  .cf-co{border-right:2px solid var(--ink)}
  .cf-s{grid-column:calc(var(--tr) + 2);grid-row:calc(var(--st) + 2)/span var(--ln)}
  .cf-lay{grid-template-columns:1fr 1fr}
  .cf-kpi b{font-size:clamp(34px,6vw,52px)}
  .cf-ix{grid-template-columns:1fr}
  .cf-hl-side{grid-template-columns:1fr}
}
/* =====================  Mobile (<=640)  ===================== */
@media(max-width:640px){
  .cf-mast{height:70px}
  .cf-gl{left:20px;right:20px;background:repeating-linear-gradient(90deg,rgba(10,10,12,.07) 0 1px,transparent 1px calc(100%/6));border-right-color:rgba(10,10,12,.07)}
  .sk-cf .cf-hero{padding-top:96px}
  .cf-title{font-size:clamp(40px,14.6vw,92px)}
  .cf-hmx{--lw:76px;--hh:28px;--rh:38px}
  .cf-ht{font-size:12px;padding-left:2px}.cf-ht small{display:none}
  .cf-hr{font-size:12px}
  .cf-hk{font-size:0;padding:0;margin:2px}
  .cf-fig{display:block;margin-top:18px}
  .cf-fig>div{grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:baseline}
  .cf-fig dd{font-size:26px;text-align:right}.cf-fig dt{font-size:14px}
  .sk-cf .cf-hd .s-h{font-size:clamp(30px,9.4vw,44px)}
  .cf-ag-bar{flex-direction:column;align-items:flex-start}
  .cf-flt{flex-wrap:nowrap;overflow-x:auto;margin-inline:-20px;padding-inline:20px;max-width:100vw;scrollbar-width:none}
  .cf-flt::-webkit-scrollbar{display:none}.cf-chip{flex:none}
  .cf-mx{display:flex;flex-direction:column;gap:8px;padding:10px}
  .cf-mx::before{display:none}
  .cf-th,.cf-tr,.cf-co{display:none}
  .cf-s{order:calc(var(--st)*10 + var(--tr));margin:0;min-height:88px;padding-top:17px}
  .cf-s-k{display:block}
  .cf-s.is-dim{display:none}
  .cf-s-n{font-size:15.5px}
  .cf-s-x{top:16px}
  .cf-my-r{grid-template-columns:1fr}
  .cf-alert{position:sticky;bottom:12px;z-index:6;box-shadow:0 5px 0 var(--ink);padding:12px 14px;font-size:14px}
  .cf-el-t text{font-size:6.6px}
  .cf-list li{grid-template-columns:1fr auto;padding-left:12px}.cf-list time{grid-column:1/-1;font-size:13px}
  .cf-rm{grid-template-columns:1fr}.cf-rm button{grid-template-columns:auto 1fr;align-items:center;gap:10px;min-height:46px}
  .cf-lay{grid-template-columns:1fr 1fr}
  .cf-cap b{font-size:84px}
  .cf-dt{font-size:calc(var(--k,1)*11px)}
  .cf-tabs{display:grid;grid-auto-flow:row;grid-auto-columns:auto;width:100%}
  .cf-tabs button+button{border-left:0;border-top:2px solid var(--ink)}
  .cf-sp-r{grid-template-columns:1fr;gap:3px}
  .cf-fn-st li{grid-template-columns:minmax(0,1fr) 108px;gap:12px}
  .cf-fn-sh{height:60px}
  .cf-sc{display:block}
  .cf-sc-cam{width:min(100%,320px)}
  .cf-sc-log li{grid-template-columns:62px minmax(0,1fr) auto}
  .cf-ix li{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px 0}.cf-ix-i{width:44px;height:44px}
  .sk-cf .s-mq-t span{font-size:clamp(22px,7vw,32px)}
}
@media(max-width:420px){.cf-sc-tix{grid-template-columns:1fr}.cf-tx{min-height:66px}}