/* ===================================================================
   INMAX A CHAU — bo giao dien dung chung cho cac trang con
   Trang chu (index.html) van giu CSS noi tuyen cua no; file nay
   tai lap dung bo bien, nut, header va footer do de cac trang
   con nhin giong het trang chu.
   =================================================================== */

:root{
  --w:#fff;
  --g:#F4F7F8;
  --ink:#111B22;
  --ink2:#5A6E79;
  --ink3:#8B9BA5;
  --line:#E4EAED;
  --cy:#0E8FA8;
  --cy-d:#0A7086;
  --cy-l:#E6F5F8;
  --navy:#0D2B38;
  --f:"Be Vietnam Pro","Segoe UI",system-ui,sans-serif;
  --r:999px;
  --sh:0 18px 44px -22px rgba(17,27,34,.28);
  color-scheme:light;
}
*{box-sizing:border-box}
body{margin:0;background:var(--w);color:var(--ink);font-family:var(--f);
  font-size:15.5px;line-height:1.62;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.03em;text-wrap:balance}
p{margin:0}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.w{max-width:1180px;margin:0 auto;padding:0 20px}
[hidden]{display:none!important}
a:focus-visible,button:focus-visible,input:focus-visible,
select:focus-visible,textarea:focus-visible{outline:2px solid var(--cy);outline-offset:2px}
@media (prefers-reduced-motion:reduce){ *{transition:none!important;animation:none!important} }

/* ===== nut ===== */
.bt{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r);font-size:13.6px;font-weight:700;
  text-transform:uppercase;letter-spacing:.03em;
  border:1.6px solid transparent;cursor:pointer;font-family:var(--f);
  transition:background .2s,color .2s,border-color .2s,transform .18s,box-shadow .2s}
.bt:hover{transform:translateY(-2px)}
.bt-p{background:var(--cy);color:#fff;box-shadow:0 10px 22px -12px rgba(14,143,168,.85)}
.bt-p:hover{background:var(--cy-d)}
.bt-d{background:var(--navy);color:#fff}
.bt-d:hover{background:#14404F}
.bt-w{background:#fff;color:var(--cy-d)}
.bt-o{border-color:var(--line);color:var(--ink);background:#fff}
.bt-o:hover{border-color:var(--cy);color:var(--cy-d)}
.bt-s{padding:9px 18px;font-size:12.4px;letter-spacing:.04em}

/* ===== dai bao "day la ban demo" ===== */
.demo{background:var(--navy);color:#9FB6C0;padding:7px 0;
  text-transform:uppercase;letter-spacing:.06em;font-weight:600;font-size:11px;line-height:1.7}
.demo .w{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
.demo b{color:#F0C468;font-weight:600}

/* ===== header ===== */
header{background:var(--w);position:sticky;top:0;z-index:60;transition:box-shadow .25s}
header.stuck{box-shadow:0 4px 22px -12px rgba(17,27,34,.3)}
.hb{display:flex;align-items:center;gap:26px;padding:13px 0}
.lg{display:flex;align-items:center;gap:10px;flex:none}
/* Logo chu la anh ngang — khoa chieu cao, be ngang tu chay theo. */
.lg img{height:46px;width:auto;object-fit:contain}
.lg strong{display:block;font-size:16px;font-weight:700;color:var(--cy-d);line-height:1.2}
.lg > span > span{display:block;font-size:11.5px;color:var(--ink3)}
nav{display:flex;gap:22px;margin-left:auto}
nav a{font-size:14.3px;font-weight:500;color:var(--ink2);position:relative;padding:4px 0}
nav a:hover{color:var(--cy)}
nav a.on{color:var(--cy);font-weight:600}
nav a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--cy)}
.hend{flex:none;display:flex;align-items:center;gap:10px}
.burger{display:none;flex:none;width:40px;height:40px;border:0;background:var(--g);
  border-radius:12px;cursor:pointer;align-items:center;justify-content:center}

/* ===== dau trang cac trang con ===== */
.phead{background:var(--navy);color:#fff;padding:42px 0 46px;position:relative;overflow:hidden}
.phead::after{content:"";position:absolute;right:-90px;top:-120px;width:360px;height:360px;
  border-radius:50%;background:radial-gradient(circle,rgba(111,212,232,.18),transparent 68%)}
.phead .w{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.4px;color:#8FB3C0;
  text-transform:uppercase;letter-spacing:.07em;font-weight:700}
.crumb a:hover{color:#6FD4E8}
.crumb span{color:#6FD4E8}
.phead h1{font-size:clamp(27px,4vw,42px);font-weight:800;text-transform:uppercase;
  line-height:1.2;letter-spacing:-.012em;margin-top:13px}
.phead p{color:#B6CCD6;font-size:15.6px;margin-top:12px;max-width:66ch}

/* ===== section chung ===== */
section{padding:70px 0}
.sec-g{background:var(--g)}
.st{text-align:center;max-width:62ch;margin:0 auto 40px}
.st h2{font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.26;
  text-transform:uppercase;letter-spacing:-.008em}
.st p{color:var(--ink2);font-size:15.8px;margin-top:11px;text-transform:none;letter-spacing:normal}
.st .hl{color:var(--cy)}
.mid{text-align:center;margin-top:38px}
.note{margin-top:20px;font-size:13.3px;color:var(--ink3);text-align:center}

/* ===== dau moi nhom san pham ===== */
.gsec{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:18px;margin-bottom:26px;padding-bottom:18px;border-bottom:1.6px solid var(--line)}
.gsec .gk{display:block;font-size:11.4px;font-weight:800;letter-spacing:.11em;
  text-transform:uppercase;color:var(--cy)}
.gsec h2{font-size:clamp(21px,2.7vw,28px);font-weight:800;text-transform:uppercase;
  line-height:1.26;letter-spacing:-.008em;margin-top:8px}
.gsec p{color:var(--ink2);font-size:14.6px;margin-top:9px;max-width:72ch}
.gsec .bt{flex:none}

/* ===== luoi san pham ===== */
.ptop{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filters button{border:1.6px solid var(--line);background:#fff;border-radius:var(--r);
  padding:9px 18px;font-family:var(--f);font-size:12.4px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;color:var(--ink2);cursor:pointer;transition:all .2s}
.filters button:hover{border-color:var(--cy);color:var(--cy-d)}
.filters button[aria-pressed="true"]{background:var(--cy);border-color:var(--cy);color:#fff}
.pcount{font-size:13.4px;color:var(--ink3)}

.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pc{background:#fff;border:1.6px solid var(--line);border-radius:22px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
.pc:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:var(--cy)}
.pc .ph{position:relative;background:var(--g);aspect-ratio:1/1;overflow:hidden;
  display:flex;align-items:center;justify-content:center}
.pc .ph img{width:82%;height:82%;object-fit:contain;transition:transform .35s cubic-bezier(.22,1,.36,1)}
.pc:hover .ph img{transform:scale(1.07)}
.pc .code{position:absolute;top:12px;left:12px;background:#fff;border-radius:var(--r);
  padding:5px 12px;font-size:11px;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;color:var(--cy-d);box-shadow:0 4px 12px -6px rgba(17,27,34,.4)}
.pc .bd{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.pc .bd b{font-size:14.6px;font-weight:700;line-height:1.4;flex:1}
.pc .pr{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}
.pc .pr .lh{font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--cy-d);white-space:nowrap}

.pager{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:38px}
.pager button{min-width:42px;height:42px;padding:0 13px;border-radius:13px;
  border:1.6px solid var(--line);background:#fff;font-family:var(--f);font-size:14px;
  font-weight:700;color:var(--ink2);cursor:pointer;transition:all .2s}
.pager button:hover:not(:disabled){border-color:var(--cy);color:var(--cy-d)}
.pager button[aria-current="page"]{background:var(--cy);border-color:var(--cy);color:#fff}
.pager button:disabled{opacity:.42;cursor:default}

/* ===== luoi tin tuc ===== */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.nc{background:#fff;border:1.6px solid var(--line);border-radius:22px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
.nc:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:var(--cy)}
.nc .ph{aspect-ratio:16/9;overflow:hidden;background:var(--g)}
.nc .ph img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,1,.36,1)}
.nc:hover .ph img{transform:scale(1.06)}
.nc .bd{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.nc .tagline{font-size:11.2px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--cy)}
.nc h3{font-size:16.4px;font-weight:800;line-height:1.36;letter-spacing:-.02em}
.nc p{font-size:13.7px;color:var(--ink2);line-height:1.6;flex:1}
.nc .go{display:inline-flex;align-items:center;gap:7px;font-size:12.4px;font-weight:800;
  letter-spacing:.05em;text-transform:uppercase;color:var(--cy-d)}
.nc:hover .go svg{transform:translateX(4px)}
.nc .go svg{transition:transform .25s}

/* ===== luoi video ===== */
.vgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.vc{position:relative;border-radius:22px;overflow:hidden;background:var(--navy);
  transition:transform .25s,box-shadow .25s}
.vc:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.vc .ph{aspect-ratio:16/9;position:relative}
.vc .ph img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:opacity .3s,transform .4s}
.vc:hover .ph img{opacity:1;transform:scale(1.04)}
.vc .play{position:absolute;inset:0;margin:auto;width:66px;height:66px;border-radius:50%;
  background:rgba(255,255,255,.94);display:flex;align-items:center;justify-content:center;
  transition:transform .25s,background .25s}
.vc:hover .play{transform:scale(1.09);background:#fff}
.vc .cap{padding:17px 20px 19px}
.vc .cap b{display:block;color:#fff;font-size:15.6px;font-weight:700;line-height:1.4}
.vc .cap span{display:block;font-size:12.6px;color:#8FB3C0;margin-top:5px;
  text-transform:uppercase;letter-spacing:.07em;font-weight:700}

/* ===== trang gioi thieu ===== */
.prose{max-width:74ch;margin:0 auto}
.prose p{color:var(--ink2);font-size:16px;line-height:1.85;margin-top:18px}
.prose p:first-child{margin-top:0}
.prose p strong{color:var(--ink);font-weight:700}
/* trang Chính sách bảo mật: danh sách có dấu chấm đầu dòng */
.prose.bm ul{list-style:disc}
.prose.bm li::marker{color:var(--cy)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.stz{background:#fff;border:1.6px solid var(--line);border-radius:22px;padding:26px 22px;text-align:center;
  transition:transform .25s,border-color .25s,box-shadow .25s}
.stz:hover{transform:translateY(-5px);border-color:var(--cy);box-shadow:var(--sh)}
.stz b{display:block;font-size:40px;font-weight:800;letter-spacing:-.05em;color:var(--cy);line-height:1}
.stz span{display:block;font-size:13.2px;color:var(--ink2);margin-top:9px;line-height:1.5}
.two{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.two .pic{border-radius:22px;overflow:hidden;box-shadow:var(--sh)}
.two .pic img{width:100%;height:100%;object-fit:cover;aspect-ratio:62/43}
/* Anh san pham la anh doc (840x1050). Ti le 62/43 o tren la cho anh
   canh ngang cua cac trang khac — de nguyen thi cover cat mat binh nuoc. */
.two .pic.doc img{aspect-ratio:auto;height:auto;object-fit:contain}
/* ảnh do quản trị tải lên (anhLyDo…) giữ nguyên tỉ lệ gốc, không cắt mép */
.two .pic.nguyen img{aspect-ratio:auto;height:auto;object-fit:contain;display:block}
.two h2,.two h3{font-size:clamp(22px,2.9vw,30px);font-weight:800;line-height:1.26;
  text-transform:uppercase;letter-spacing:-.008em}
.two h2 .hl,.two h3 .hl{color:var(--cy)}
.two p.lead{color:var(--ink2);margin-top:14px;font-size:15.5px}
.chk{display:flex;flex-direction:column;gap:13px;margin:22px 0 0}
.chk li{display:flex;gap:12px;align-items:flex-start;font-size:15px;font-weight:500}
.chk li svg{flex:none;margin-top:2px}
.chk li > div{font-weight:700}
.chk li span{color:var(--ink2);font-weight:400;display:block;font-size:13.8px;margin-top:2px}

/* ===== trang dich vu ===== */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sv{background:#fff;border:1.6px solid var(--line);border-radius:22px;padding:28px 26px 30px;
  display:flex;flex-direction:column;gap:11px;transition:transform .25s,box-shadow .25s,border-color .25s}
.sv:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:var(--cy)}
.sv .ic{width:58px;height:58px;border-radius:16px;background:var(--cy-l);
  display:flex;align-items:center;justify-content:center;margin-bottom:5px}
.sv h3{font-size:17.4px;font-weight:800;text-transform:uppercase;letter-spacing:.01em;line-height:1.34}
.sv p{font-size:14px;color:var(--ink2);line-height:1.64;flex:1}
.sv .go{display:inline-flex;align-items:center;gap:7px;font-size:12.4px;font-weight:800;
  letter-spacing:.05em;text-transform:uppercase;color:var(--cy-d);margin-top:4px}
.sv:hover .go svg{transform:translateX(4px)}
.sv .go svg{transition:transform .25s}

/* ===== trang lien he ===== */
.cwrap{display:grid;grid-template-columns:1fr 1.15fr;gap:44px;align-items:start}
.cdept{display:grid;gap:16px}
.cd{background:#fff;border:1.6px solid var(--line);border-radius:20px;padding:22px 24px;
  transition:border-color .25s,box-shadow .25s}
.cd:hover{border-color:var(--cy);box-shadow:var(--sh)}
.cd .hd{font-size:11.6px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--cy)}
.cd b{display:block;font-size:15.4px;font-weight:800;margin-top:7px;line-height:1.4}
.cd .rows{margin-top:12px;display:flex;flex-direction:column;gap:9px}
.cd .rw{display:flex;gap:11px;align-items:flex-start;font-size:14.2px}
.cd .rw svg{flex:none;margin-top:3px}
.cd .rw span{display:block;font-size:11.2px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink3)}
.cd .rw i{font-style:normal;display:block;font-weight:600;color:var(--ink);margin-top:2px;line-height:1.45}
.cform{background:#fff;border:1.6px solid var(--line);border-radius:24px;padding:32px 32px 30px;box-shadow:var(--sh)}
.cform h2{font-size:24px;font-weight:800;text-transform:uppercase;line-height:1.22;letter-spacing:-.01em}
.cform .fx{color:var(--ink2);font-size:14px;margin-top:9px}
.frm{display:flex;flex-direction:column;gap:11px;margin-top:20px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.fi{position:relative}
.fi input,.fi select,.fi textarea{width:100%;border:0;background:var(--g);border-radius:16px;
  padding:14px 46px 14px 18px;font:inherit;font-size:14.5px;color:var(--ink);
  outline:2px solid transparent;transition:outline-color .2s}
.fi textarea{min-height:110px;resize:vertical;border-radius:18px;padding-right:18px}
.fi input:focus,.fi select:focus,.fi textarea:focus{outline-color:var(--cy)}
.fi input::placeholder,.fi textarea::placeholder{color:var(--ink3)}
.fi svg{position:absolute;right:16px;top:15px;pointer-events:none}
.fi select{appearance:none}
.fchk{display:flex;gap:9px;align-items:flex-start;font-size:12.6px;color:var(--ink2);
  line-height:1.5;margin-top:3px}
.fchk input{margin:2px 0 0;accent-color:var(--cy);width:15px;height:15px;flex:none}
.frm .bt{align-self:flex-start;margin-top:6px}
.mapbox{margin-top:26px;border-radius:22px;overflow:hidden;border:1.6px solid var(--line);
  aspect-ratio:16/7;background:var(--g)}
.mapbox iframe{width:100%;height:100%;border:0;display:block}

/* ===== footer ===== */
footer{background:var(--navy);color:#B4CCD6;font-size:14.6px}
.fcta{background:var(--cy);color:#fff;padding:38px 0}
.fcta .w{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.fcta h3{font-size:clamp(21px,2.8vw,30px);font-weight:800;text-transform:uppercase;
  line-height:1.26;letter-spacing:.005em;max-width:22ch}
.fcta p{color:#CDEEF4;font-size:15.2px;margin-top:8px;max-width:46ch}
.fcta .rt{display:flex;flex-wrap:wrap;align-items:center;gap:16px;flex:none}
.fcta .tel{text-align:right}
.fcta .tel span{display:block;font-size:11.6px;font-weight:700;text-transform:uppercase;
  letter-spacing:.1em;color:#BCE6EE}
.fcta .tel b{display:block;font-size:31px;font-weight:800;letter-spacing:-.03em;line-height:1.15}
.fmain{padding:46px 0 34px}
.fg{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px;text-align:left}
.fbrand img{width:46px;height:47px;object-fit:contain;margin-bottom:14px}
.fbrand strong{display:block;color:#fff;font-size:16.5px;font-weight:800;letter-spacing:-.02em;line-height:1.3}
.fbrand .dom{display:block;font-size:12px;font-weight:700;text-transform:uppercase;
  letter-spacing:.1em;color:#6FD4E8;margin-top:4px}
footer .fh{color:#fff;font-size:13.6px;font-weight:800;text-transform:uppercase;
  letter-spacing:.1em;margin:0 0 16px;padding-bottom:11px;line-height:1.62;text-wrap:balance;
  border-bottom:2px solid #6FD4E8;display:inline-block}
footer p{line-height:1.85;margin-top:12px}
footer b{color:#fff}
footer ul li + li{margin-top:10px}
footer ul a{display:inline-flex;align-items:center;gap:9px;transition:color .2s,transform .2s}
footer ul a::before{content:"";width:5px;height:5px;border-radius:50%;background:#3E7A93;
  flex:none;transition:background .2s}
footer ul a:hover{color:#fff;transform:translateX(3px)}
footer ul a:hover::before{background:#6FD4E8}
.fline{display:flex;gap:11px;align-items:flex-start;margin-top:14px}
.fline svg{flex:none;margin-top:3px}
.fline span{font-size:11.4px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;
  color:#7FA3B2;display:block}
.fline b{display:block;color:#fff;font-weight:600;font-size:14.8px;margin-top:3px;
  letter-spacing:-.01em;line-height:1.45}
.fb{border-top:1px solid #22505F;padding:16px 0 20px;font-size:12.4px;color:#7093A3;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}

/* ===== responsive ===== */
@media (max-width:1040px){
  header nav{display:none}
  .burger{display:flex}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .ngrid{grid-template-columns:repeat(2,1fr)}
  .svc{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .two{grid-template-columns:1fr;gap:28px}
  .cwrap{grid-template-columns:1fr;gap:28px}
  .fg{grid-template-columns:1fr 1fr;gap:30px}
  .fcta .w{flex-direction:column;align-items:flex-start}
  .fcta .tel{text-align:left}
}
@media (max-width:820px){
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .vgrid{grid-template-columns:1fr}
}
@media (max-width:620px){
  section{padding:52px 0}
  .ngrid{grid-template-columns:1fr}
  .svc{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .fg{grid-template-columns:1fr;gap:26px}
  .cform{padding:24px 20px 22px;border-radius:20px}
  .f2{grid-template-columns:1fr}
}
@media (max-width:420px){
  .pgrid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
}

/* ===================================================================
   BANG SO SANH CAC MA
   Tren dien thoai bang cuon ngang, cot ma hang ghim lai ben trai de
   nguoi doc khong lac mat dang xem dong nao.
   =================================================================== */
.sswrap{border:1.6px solid var(--line);border-radius:22px;overflow:hidden;background:#fff}
.ssscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.ss{border-collapse:separate;border-spacing:0;width:100%;min-width:900px;font-size:13.8px}
.ss th,.ss td{padding:13px 16px;text-align:left;vertical-align:top;
  border-bottom:1px solid var(--line);white-space:nowrap}
.ss thead th{background:var(--navy);color:#fff;font-size:11.4px;font-weight:800;
  letter-spacing:.09em;text-transform:uppercase;white-space:nowrap;position:sticky;top:0;z-index:2}
.ss tbody tr:hover td{background:var(--cy-l)}
.ss tbody tr:last-child td{border-bottom:0}
.ss .ma{font-weight:800;color:var(--cy-d);letter-spacing:.05em}
.ss .ten{display:block;font-size:12.6px;color:var(--ink2);font-weight:500;
  letter-spacing:0;margin-top:3px;white-space:normal;max-width:20ch}
.ss .kenh{white-space:normal;min-width:22ch;color:var(--ink2);font-size:13px}
.ss .giay{color:var(--cy-d);font-weight:700}
/* cot dau ghim lai khi cuon ngang */
.ss th:first-child,.ss td:first-child{position:sticky;left:0;background:#fff;z-index:1;
  box-shadow:1px 0 0 var(--line)}
.ss thead th:first-child{background:var(--navy);z-index:3}
.ss tbody tr:hover td:first-child{background:var(--cy-l)}
.sshint{display:none;font-size:12.4px;color:var(--ink3);margin-top:10px;text-align:center}

@media (max-width:860px){
  .sshint{display:block}
  .ss th,.ss td{padding:11px 13px;font-size:13px}
}

/* ===== trang chi tiet san pham ===== */
.spec{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:24px;
  border-top:1px solid var(--line);border-left:1px solid var(--line)}
.spec > div{padding:15px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
/* Bo duong ke thua o cot phai va hang cuoi — khong thi vien ngoai
   bi day len thanh hai net. O le cuoi cung thi cho trai het be ngang
   de khong ho mot o trong. */
.spec > div:nth-child(2n){border-right:0}
.spec > div:nth-last-child(-n+2):nth-child(2n+1),
.spec > div:last-child{border-bottom:0}
.spec > div:last-child:nth-child(2n+1){grid-column:1/-1;border-right:0}
.spec dt{font-size:11.2px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--ink3)}
.spec dd{margin:4px 0 0;font-size:15.4px;font-weight:800;letter-spacing:-.02em}
.spec .vs{display:block;font-size:12.8px;font-weight:400;color:var(--ink2);
  letter-spacing:0;margin-top:5px;line-height:1.5}
@media (max-width:520px){ .spec{grid-template-columns:1fr} }

/* ===== FAQ hien ra cho nguoi doc ===== */
.faq{display:flex;flex-direction:column;gap:10px;max-width:74ch;margin:0 auto}
.faq details{background:#fff;border:1.6px solid var(--line);border-radius:18px;
  padding:0 20px;transition:border-color .2s}
.faq details[open]{border-color:var(--cy)}
.faq summary{cursor:pointer;list-style:none;padding:16px 0;font-size:15.4px;
  font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:10px;height:10px;
  border-right:2.2px solid var(--cy);border-bottom:2.2px solid var(--cy);
  transform:rotate(45deg);margin-top:-5px;transition:transform .22s}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:2px}
.faq .tl{padding:0 0 18px;font-size:14.6px;color:var(--ink2);line-height:1.7}

/* Chu chi danh cho trinh doc man hinh, khong hien tren giao dien */
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ===================================================================
   TRANG TAI LIEU — catalogue doi lay thong tin
   Doi thu Viet Nam khong ai lam viec nay: tai lieu de tai tu do thi
   khong biet ai da tai, con bat dang ky thi co danh sach dai ly quan
   tam that. Form o day chua noi voi he thong nao — chi mo khoa nut tai.
   =================================================================== */
.tlwrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.tlbia{border-radius:22px;overflow:hidden;border:1.6px solid var(--line);box-shadow:var(--sh);background:var(--g)}
.tlbia img{width:100%;height:auto;display:block}
.tlmeta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tlmeta span{font-size:11.6px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--cy-d);background:var(--cy-l);border-radius:var(--r);padding:6px 13px}
.tlcard{background:#fff;border:1.6px solid var(--line);border-radius:24px;padding:32px 32px 30px;box-shadow:var(--sh)}
.tlcard h2{font-size:24px;font-weight:800;text-transform:uppercase;line-height:1.22;letter-spacing:-.01em}
.tlcard .fx{color:var(--ink2);font-size:14.6px;margin-top:10px}
.tlco{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:11px}
.tlco li{display:flex;gap:11px;align-items:flex-start;font-size:14.2px;color:var(--ink2);line-height:1.6}
.tlco li svg{flex:none;margin-top:3px}
.tlok{display:none;margin-top:20px;padding:20px 22px;border-radius:18px;
  background:var(--cy-l);border:1.6px solid var(--cy)}
.tlok.hien{display:block}
.tlok b{display:block;font-size:15.4px;font-weight:800;color:var(--cy-d)}
.tlok p{font-size:13.6px;color:var(--ink2);margin-top:6px}
.tlok .bt{margin-top:14px}
.tlkhac{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.tlk{background:#fff;border:1.6px dashed var(--line);border-radius:20px;padding:22px 22px 24px}
.tlk b{display:block;font-size:15px;font-weight:800;line-height:1.35}
.tlk p{font-size:13.4px;color:var(--ink2);margin-top:7px;line-height:1.6}
.tlk .cho{display:inline-block;margin-top:12px;font-size:11.2px;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase;color:var(--ink3);
  background:var(--g);border-radius:var(--r);padding:5px 12px}

@media (max-width:1040px){
  .tlwrap{grid-template-columns:1fr;gap:28px}
  .tlkhac{grid-template-columns:1fr}
}
@media (max-width:620px){
  .tlcard{padding:24px 20px 22px;border-radius:20px}
}

/* ===================================================================
   CHUNG NHAN & NANG LUC NHA MAY
   Day la phan lap lo hong lon nhat khi so voi doi thu: ai cung liet ke
   ten chung nhan, nhung khong ai dang anh giay to that. Vi vay o day
   dat anh that lam trung tam, con ten chung nhan chi la nhan phu.
   =================================================================== */
.cn{display:grid;grid-template-columns:1.25fr 1fr;gap:44px;align-items:center}
.cnanh{border-radius:22px;overflow:hidden;border:1.6px solid var(--line);box-shadow:var(--sh)}
.cnanh img{width:100%;height:auto;display:block}
.cnthe{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.cnthe span{display:inline-flex;align-items:center;gap:7px;font-size:12.6px;font-weight:800;
  letter-spacing:.04em;color:var(--cy-d);background:#fff;border:1.6px solid var(--line);
  border-radius:var(--r);padding:8px 15px}
.cnthe span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cy);flex:none}
.cnthe span.med{color:#0A7086;border-color:var(--cy);background:var(--cy-l)}
.cnnoi{margin-top:20px;display:grid;gap:12px}
/* chi ap cho hang truc tiep — neu de ".cnnoi div" thi the div ben trong
   cung thanh flex, chu bi bop lai con vai tu moi dong */
.cnnoi > div{display:flex;gap:11px;align-items:flex-start;font-size:14.4px;color:var(--ink2);line-height:1.65}
.cnnoi > div > div{flex:1;min-width:0}
.cnnoi svg{flex:none;margin-top:3px}
.cnnoi b{color:var(--ink)}

/* so lieu nha may */
.nm{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:6px}
.nmz{background:#fff;border:1.6px solid var(--line);border-radius:18px;padding:20px 16px;text-align:center}
.nmz b{display:block;font-size:26px;font-weight:800;letter-spacing:-.04em;color:var(--cy);line-height:1.1}
.nmz span{display:block;font-size:12.2px;color:var(--ink2);margin-top:7px;line-height:1.45}

/* ba phep thu chat luong */
.qc{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.qcz{background:#fff;border:1.6px solid var(--line);border-radius:20px;padding:22px 22px 24px}
.qcz .ic{width:46px;height:46px;border-radius:14px;background:var(--cy-l);
  display:flex;align-items:center;justify-content:center;margin-bottom:13px}
.qcz b{display:block;font-size:15.2px;font-weight:800;line-height:1.35}
.qcz p{font-size:13.6px;color:var(--ink2);margin-top:7px;line-height:1.6}

/* logo doi tac tung gia cong */
/* Bang logo trong catalogue chi rong 520px. Truoc day tha cho no gian het
   be ngang 1137px — phong hon gap doi, chu trong logo be ra nhu suong mu. */
.dtanh{max-width:540px;margin-left:auto;margin-right:auto;border-radius:22px;overflow:hidden;border:1.6px solid var(--line);background:#fff;margin-top:8px}
.dtanh img{width:100%;height:auto;display:block}

@media (max-width:1040px){
  .cn{grid-template-columns:1fr;gap:26px}
  .nm{grid-template-columns:repeat(3,1fr)}
  .qc{grid-template-columns:1fr}
}
@media (max-width:620px){
  .nm{grid-template-columns:1fr 1fr;gap:12px}
  .nmz{padding:16px 12px}
  .nmz b{font-size:22px}
}

/* Nut phat video + khung iframe thay cho no khi bam */
.vc button.ph{border:0;padding:0;width:100%;display:block;cursor:pointer;background:transparent}
.vc .khung{aspect-ratio:16/9;position:relative;background:#000}
.vc .khung iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ===== bang bac chiet khau tren trang Chinh sach dai ly ===== */
.ss .ck b{font-size:24px;font-weight:800;color:var(--cy);letter-spacing:-.03em}
.ss tr.noibat td{background:var(--cy-l)}
.ss tr.noibat .ma{color:var(--cy-d)}
.ss tr.noibat:hover td{background:#D9EFF4}

/* ---------- video TikTok: khung doc 9:16, o giu cho khi chua co anh ---------- */
.vc.vc-doc{max-width:400px}
.vc.vc-doc .ph,.vc.vc-doc .khung{aspect-ratio:9/16}
.vc .vph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  color:#fff;background:linear-gradient(160deg,#0D2B38,#16485C);font-size:13px;font-weight:700;letter-spacing:.04em;text-align:center;padding:20px}
.vc .vph svg{opacity:.9}
.vc .cap .vlink{display:inline-block;margin-top:8px;font-size:12.5px;font-weight:800;color:var(--cy);text-decoration:underline;text-underline-offset:3px}
.vc .cap .vlink:hover{color:#fff}
/* video tai len (MP4) phat ngay trong the */
.vc .khung video{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000;object-fit:contain}

/* ---------- trang video: luoi deu 3 cot, moi the 16:9, phat trong hop ---------- */
@media (min-width:1041px){.vgrid{grid-template-columns:repeat(3,1fr);gap:22px}}
.vc.vc-doc{max-width:none}
.vc.vc-doc .ph,.vc.vc-doc .khung{aspect-ratio:16/9}
.vc .ph img.doc{object-fit:contain;background:radial-gradient(ellipse at center,#16485C,#0D2B38 70%)}
.vc .vtag{position:absolute;left:12px;top:12px;z-index:2;padding:4px 9px;border-radius:999px;background:rgba(8,26,34,.72);color:#fff;
  font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;backdrop-filter:blur(4px)}
.vc .vph{font-size:12.5px;letter-spacing:.03em}
.vc .vph svg{width:30px;height:30px}
/* hop phat video */
.vbox{position:fixed;inset:0;z-index:130}
.vbox[hidden]{display:none}
.vbox-veil{position:absolute;inset:0;background:rgba(5,18,24,.86);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.vbox-hop{position:relative;width:min(92vw,960px);margin:4vh auto 0;background:#000;border-radius:18px;overflow:hidden;
  box-shadow:0 40px 90px -30px rgba(0,0,0,.9);animation:timHien .22s ease-out}
.vbox-hop.doc{width:min(92vw,calc((100vh - 140px) * 9 / 16),420px)}
.vbox-khung{position:relative;aspect-ratio:16/9;background:#000}
.vbox-hop.doc .vbox-khung{aspect-ratio:9/16;max-height:calc(100vh - 140px)}
.vbox-khung iframe,.vbox-khung video{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.vbox-dong{position:absolute;right:10px;top:10px;z-index:3;width:38px;height:38px;border:0;border-radius:50%;background:rgba(255,255,255,.92);
  color:#0D2B38;font-size:26px;line-height:1;cursor:pointer;display:grid;place-items:center}
.vbox-dong:hover{background:#fff}
.vbox-cap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 16px;background:#0D2B38;color:#fff}
.vbox-cap b{font-size:14.5px;font-weight:700;line-height:1.3}
.vbox-cap a{flex:none;font-size:12.5px;font-weight:800;color:#6FD4E8;text-decoration:underline;text-underline-offset:3px}
@media (max-width:620px){.vbox-hop{width:100vw;margin:0;border-radius:0 0 18px 18px}.vbox-hop.doc{width:min(100vw,calc((100vh - 120px) * 9 / 16))}}

/* ---- Tin tức: lọc chuyên mục + mở dần ---- */
.nloc{margin:-6px 0 26px;justify-content:center}
.ntrong{text-align:center;color:var(--ink3);padding:28px 0 8px}
.nthem{display:flex;justify-content:center;margin-top:34px}
.ngrid .nc[hidden]{display:none}

/* đoạn giới thiệu trang Video */
.vgt{max-width:760px;margin:-6px auto 30px;text-align:center;color:var(--ink2)}
.vgt p{margin:0 0 12px}
.vgt a{color:var(--cy-d);font-weight:600}

/* ---- Trang sản phẩm: bộ ảnh + bảng thông số bản rộng (10/10/2026) ---- */
.anh-them.gal{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.anh-them.gal button,.anh-cho{width:78px;height:92px;border-radius:12px;border:1.5px solid var(--line);background:#fff;padding:6px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:border-color .2s,transform .2s}
.anh-them.gal button img{max-width:100%;max-height:100%;object-fit:contain}
.anh-them.gal button:hover{transform:translateY(-2px);border-color:#9fc7d2}
.anh-them.gal button.on{border-color:var(--cy);box-shadow:0 0 0 3px rgba(14,143,168,.15)}
.anh-cho{border-style:dashed;border-color:#b9c9d1;background:var(--g);cursor:default;flex-direction:column;gap:2px;color:var(--ink3)}
.anh-cho i{font-style:normal;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.anh-cho b{font-size:18px;font-weight:800;color:#9fb3bd}
.anh-cho-note{font-size:12.2px;color:var(--ink3);margin-top:8px}
.spec.spec-rong{grid-template-columns:repeat(3,1fr);gap:14px;margin-top:0;border:0}
.spec.spec-rong > div:nth-child(n){border:1px solid var(--line);border-radius:16px;background:#fff;padding:18px 20px;grid-column:auto}
@media (max-width:900px){.spec.spec-rong{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.spec.spec-rong{grid-template-columns:1fr}}
@media print{.anh-cho,.anh-cho-note{display:none}}

/* ---- Trang sản phẩm: điểm nổi bật riêng từng mã, dưới ảnh + cột thông tin ---- */
.sp-nb{margin-top:56px;padding-top:48px;border-top:1px solid var(--line)}
.sp-nb .st{margin-bottom:30px}
.sp-nb .chk{display:grid;grid-template-columns:1fr 1fr;gap:18px 44px;margin:0 auto;max-width:1040px}
.sp-nb .chk p{margin:0;line-height:1.6}
@media(max-width:760px){.sp-nb{margin-top:40px;padding-top:36px}.sp-nb .chk{grid-template-columns:1fr;gap:14px}}
@media print{.sp-nb{margin-top:18px;padding-top:12px}.sp-nb .st{margin-bottom:10px}}

/* ---- Trang sản phẩm: kết nối + chia sẻ ở cột phải ---- */
.sp-mxh{display:flex;flex-wrap:wrap;gap:22px 44px;margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}
.sp-mxh .nhan{display:block;font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3);margin-bottom:10px}
.soc.light a{background:#EEF4F7;color:var(--navy)}
.soc.light a:hover{color:#fff}
.soc a[data-s="copy"]:hover{background:var(--cy)}
.soc a[data-s="copy"].ok{background:var(--cy);color:#fff}
.soc a[data-s="telegram"]:hover{background:#2AABEE}
.soc a[data-s="x"]:hover{background:#000}
.soc a[data-s="linkedin"]:hover{background:#0A66C2}

.soc{position:relative}
.soc-bao{position:absolute;left:0;top:calc(100% + 8px);background:var(--navy);color:#fff;font-size:12.5px;font-weight:600;padding:7px 12px;border-radius:10px;white-space:nowrap;box-shadow:0 10px 24px rgba(0,0,0,.18);z-index:5}

/* bảng so sánh bản gọn (trang sản phẩm): 6 cột, vừa màn rộng không cần vuốt */
.ss.gon{min-width:0;width:100%}
.ss.gon th,.ss.gon td{white-space:nowrap}
.ss.gon td:first-child{white-space:normal;min-width:180px}

/* bảng gọn: thu vào giữa, không kéo hết bề ngang */
.sswrap:has(.ss.gon){max-width:980px;margin:0 auto}
.ss.gon th,.ss.gon td{padding:12px 18px}
/* điện thoại: mỗi mã thành một thẻ, nhãn cột nằm bên trái từng dòng — không phải vuốt ngang */
@media (max-width:640px){
  .sswrap:has(.ss.gon){border:0;background:none;border-radius:0}
  .sswrap:has(.ss.gon) .ssscroll{overflow:visible}
  .ss.gon,.ss.gon tbody,.ss.gon tr,.ss.gon td{display:block;width:100%}
  .ss.gon thead{display:none}
  .ss.gon tr{background:#fff;border:1.6px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden}
  .ss.gon td{display:flex;justify-content:space-between;gap:12px;padding:9px 16px;border-bottom:1px solid var(--line);white-space:normal;text-align:right}
  .ss.gon td::before{content:attr(data-l);font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--ink3);text-align:left;flex:none}
  .ss.gon td:first-child{display:block;text-align:left;background:var(--cy-l);min-width:0}
  .ss.gon td:first-child::before{content:none}
  .ss.gon td:last-child{border-bottom:0}
  .ss.gon tbody tr:hover td{background:inherit}
  .ss.gon tbody tr:hover td:first-child{background:var(--cy-l)}
  .sswrap:has(.ss.gon) + .sshint{display:none}
}
@media (max-width:640px){
  .ss.gon td{justify-content:flex-start;align-items:baseline}
  .ss.gon td::before{margin-right:auto}
  .ss.gon td .giay{margin-left:6px}
}

/* nút "Mua lẻ dùng tại nhà" — khác màu nút đại lý để khách cá nhân nhận ra lối riêng */
.bt.bt-le{display:inline-flex;align-items:center;gap:8px;background:#FFF4E5;color:#9A4B00;border:1.6px solid #F5C27A}
.bt.bt-le:hover{background:#F59E0B;border-color:#F59E0B;color:#fff}
.bt.bt-le svg{flex:none}

/* ---- Trang sản phẩm: cụm nút hành động (10/10/2026) ---- */
.sp-hd{margin-top:24px;display:grid;gap:12px;max-width:560px}
.sp-gia{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 10px;margin-bottom:4px}
.sp-gia span{font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3)}
.sp-gia b{font-size:20px;font-weight:800;color:var(--cy-d);letter-spacing:-.01em}
.sp-gia i{font-style:normal;font-size:13px;color:var(--ink3)}
.sp-chinh,.sp-phu{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sp-chinh .bt{width:100%;justify-content:center;min-height:52px;margin:0;display:inline-flex;align-items:center;gap:8px;text-align:center}
.sp-n{display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 14px;border-radius:14px;
  border:1.5px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-size:13.4px;font-weight:700;letter-spacing:0;text-transform:none;
  text-decoration:none;cursor:pointer;transition:border-color .2s,background .2s,color .2s;width:100%}
.sp-n svg{flex:none;color:var(--cy-d)}
.sp-n:hover{border-color:var(--cy);background:var(--cy-l);color:var(--cy-d)}
/* nút danh sách: quan-tam.js ghi lại chữ nên icon đặt bằng ::before */
.sp-n.sp-n-ds::before{content:"";width:16px;height:16px;flex:none;background:var(--cy-d);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.1' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%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='black' stroke-width='2.1' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/contain no-repeat}
.sp-n.sp-n-ds.da{background:var(--cy);border-color:var(--cy);color:#fff}
.sp-n.sp-n-ds.da::before{background:#fff;
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E");
          mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E")}
@media (max-width:420px){.sp-chinh{grid-template-columns:1fr}}
@media print{.sp-hd{display:none}}
/* đồng bộ cao/viền 4 nút phụ — .qt có padding và viền riêng nên ghi đè */
.sp-phu .sp-n,.sp-phu .sp-n.qt{height:48px;min-height:0;padding:0 14px;line-height:1.2;border-radius:14px;border:1.5px solid var(--line);
  font-size:13.4px;font-weight:700;letter-spacing:0;color:var(--ink);background:#fff;box-sizing:border-box}
.sp-phu .sp-n:hover,.sp-phu .sp-n.qt:hover{border-color:var(--cy);background:var(--cy-l);color:var(--cy-d)}
.sp-phu .sp-n.qt.da{background:var(--cy);border-color:var(--cy);color:#fff}
/* hai cột luôn bằng nhau dù chữ dài/ngắn */
.sp-chinh,.sp-phu{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.sp-phu .sp-n{text-align:center}
@media (max-width:520px){
  .sp-chinh{grid-template-columns:minmax(0,1fr)}
  .sp-phu{gap:10px}
  .sp-phu .sp-n,.sp-phu .sp-n.qt{height:auto;min-height:50px;padding:8px 10px;font-size:12.6px;gap:6px}
}

/* ===================== Trang chi tiết bài viết (11/10/2026) ===================== */
.phead .bv-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:16px;font-size:12.6px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:#9FC3CF}
.phead .bv-meta > *:not(:first-child)::before{content:"·";margin-right:16px;color:#5E8A99}
.phead .bv-cm{background:rgba(111,212,232,.16);color:#6FD4E8;padding:5px 12px;border-radius:999px}
.phead .bv-meta .bv-cm + *::before{content:none}
.phead .bv-tt{margin-top:14px;max-width:70ch;color:#C2D6DD;font-size:16.5px;line-height:1.7}
.bv{padding-top:44px}
.bv-luoi{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.bv-chinh{min-width:0;max-width:780px}
.bv-anh{margin:0}
.bv-anh img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:22px;box-shadow:var(--sh);display:block}
.bv-anh figcaption{margin-top:10px;font-size:13px;color:var(--ink3);text-align:center}
.bv-noi{max-width:none;margin-top:34px}
.bv-noi p,.bv-noi li{font-size:17px;line-height:1.85}
.bv-noi h2{font-size:23px;margin-top:44px;padding-top:4px;scroll-margin-top:96px}
.bv-noi h2:first-child{margin-top:0}
.bv-noi h3{font-size:19px;margin-top:30px}
.bv-noi img{width:100%}
/* mục lục */
.bv-ml ol{list-style:none;margin:0;padding:0;counter-reset:ml}
.bv-ml li{counter-increment:ml}
.bv-ml a{display:flex;gap:10px;padding:8px 10px;border-radius:10px;color:var(--ink2);font-size:14px;line-height:1.45;text-decoration:none;transition:background .2s,color .2s}
.bv-ml a::before{content:counter(ml,decimal-leading-zero);flex:none;font-weight:800;color:var(--cy);font-size:12.5px;padding-top:1px}
.bv-ml a:hover{background:var(--cy-l);color:var(--ink)}
.bv-ml a.dang{background:var(--cy-l);color:var(--cy-d);font-weight:700}
.bv-ml-dt{display:none;margin-top:26px;border:1.5px solid var(--line);border-radius:16px;padding:6px 10px 10px;background:#fff}
.bv-ml-dt summary{cursor:pointer;font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase;padding:10px 6px;color:var(--ink)}
/* cột bên */
.bv-ben{position:relative;height:100%}
.bv-dinh{position:sticky;top:96px;display:grid;gap:18px}
.bv-ml-ben{border:1.5px solid var(--line);border-radius:18px;padding:16px 10px 10px;background:#fff;max-height:calc(100vh - 380px);overflow:auto}
.bv-ml-ben > b{display:block;font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3);padding:0 10px 8px}
.bv-hop{display:grid;gap:10px;padding:22px;border-radius:18px;background:var(--navy);color:#fff}
.bv-hop b{font-size:17px;font-weight:800;line-height:1.3}
.bv-hop span{font-size:14px;line-height:1.6;color:#B9CDD6}
.bv-hop .bt{justify-content:center;margin-top:6px}
.bv-tel{font-size:13.5px;color:#B9CDD6;text-align:center;text-decoration:none}
.bv-tel b{color:#fff;font-size:14px}
/* cuối bài */
.bv-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px 24px;margin-top:44px;padding:26px 28px;border-radius:20px;background:var(--cy-l);border:1.5px solid #CFE7EE}
.bv-cta b{display:block;font-size:19px;font-weight:800;line-height:1.35;color:var(--ink)}
.bv-cta span{display:block;margin-top:6px;font-size:14.5px;color:var(--ink2);max-width:52ch}
.bv-cta-nut{display:flex;flex-wrap:wrap;gap:10px}
.bv-chia{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.bv-chia > span{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--ink3)}
@media (max-width:1040px){
  .bv-luoi{grid-template-columns:minmax(0,1fr)}
  .bv-ben{display:none}
  .bv-chinh{max-width:760px;margin:0 auto}
  .bv-ml-dt{display:block}
}
@media (max-width:600px){
  .bv{padding-top:28px}
  .bv-noi p,.bv-noi li{font-size:16px}
  .bv-noi h2{font-size:20px;margin-top:34px}
  .bv-anh img{border-radius:16px}
  .bv-cta{padding:22px 20px}
  .bv-cta-nut .bt{flex:1 1 100%;justify-content:center}
}
@media print{.bv-ben,.bv-ml-dt,.bv-cta,.bv-chia{display:none}}
/* thẻ nav của mục lục không ăn kiểu xếp ngang của menu đầu trang */
nav.bv-ml-ben{display:block}
nav.bv-ml-ben[hidden]{display:none}
@media (max-width:1040px){nav.bv-ml-ben{display:none}}
@media (max-width:620px){
  .vc .vtag{font-size:11px}
  .anh-cho i{font-size:11px}
}