/* ═══ BẢN ĐỒ TAM TẠNG — sơ đồ toàn cảnh ═══ */

.bd-wrap{margin:0 0 44px;min-width:0;}

/* ── gốc cây ── */
.bd-goc{
  max-width:520px;margin:0 auto 0;padding:24px 26px;border-radius:4px;text-align:center;
  background:linear-gradient(135deg,#1a1208,#3d2f1a);color:#f5efe3;
  border:2px solid var(--gold,#c9963b);position:relative;
}
/* các dòng trong hộp gốc là <span> — PHẢI cho xuống dòng, nếu không chữ dính liền nhau */
.bd-goc > span{display:block;}
.bd-goc .bd-pali{font-family:var(--mono,'Montserrat',sans-serif);font-size:.6rem;font-weight:700;
  letter-spacing:.28em;text-transform:uppercase;color:#ffd97a;}
.bd-goc .bd-ten{font-family:var(--display,'Playfair Display',Georgia,serif);
  font-size:1.9rem;font-weight:700;line-height:1.2;color:#fff;margin:5px 0 6px;}
.bd-goc .bd-mo{font-size:.9rem;line-height:1.65;color:rgba(245,239,227,.78);}
.bd-goc .bd-so{margin-top:10px;font-family:var(--mono,'Montserrat',sans-serif);font-size:.56rem;
  letter-spacing:.14em;text-transform:uppercase;color:rgba(255,217,122,.85);
  padding-top:9px;border-top:1px solid rgba(201,150,59,.3);}

/* thân nối xuống ba nhánh */
.bd-than{width:2px;height:34px;background:var(--gold,#c9963b);margin:0 auto;}

/* ── ba nhánh ── */
.bd-nhanh{display:grid;gap:20px;position:relative;padding-top:20px;grid-template-columns:1fr;}
@media(min-width:620px){.bd-nhanh{grid-template-columns:repeat(2,1fr);}}
/* ô nội dung chỉ rộng ~840px nên phải hạ mức để ba giỏ đứng cạnh nhau */
@media(min-width:1100px){.bd-nhanh{grid-template-columns:repeat(3,1fr);}}
/* thanh ngang nối ba nhánh (chỉ khi đủ rộng) */
@media(min-width:1100px){
  .bd-nhanh::before{content:'';position:absolute;top:0;left:16.66%;right:16.66%;
    height:2px;background:var(--gold,#c9963b);}
  .bd-cot::before{content:'';position:absolute;top:-20px;left:50%;width:2px;height:20px;
    background:var(--gold,#c9963b);}
}
.bd-cot{position:relative;min-width:0;display:flex;flex-direction:column;}

.bd-dau{
  padding:18px 20px;border-radius:3px 3px 0 0;color:#fff;text-align:center;
  background:linear-gradient(135deg,#5c4520,#8b6914);
}
.bd-cot.c1 .bd-dau{background:linear-gradient(135deg,#4a3a1c,#7a6a2a);}
.bd-cot.c2 .bd-dau{background:linear-gradient(135deg,#5c1616,#8a3b2b);}
.bd-cot.c3 .bd-dau{background:linear-gradient(135deg,#1e3a34,#2f6b5a);}
.bd-dau-bieu{font-size:1.5rem;line-height:1;}
.bd-dau-pali{font-family:var(--mono,'Montserrat',sans-serif);font-size:.55rem;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.75);margin-top:4px;}
.bd-dau-ten{font-family:var(--display,'Playfair Display',Georgia,serif);font-size:1.35rem;
  font-weight:700;line-height:1.25;margin:2px 0 4px;overflow-wrap:anywhere;}
.bd-dau-so{font-family:var(--mono,'Montserrat',sans-serif);font-size:.54rem;letter-spacing:.12em;
  text-transform:uppercase;color:rgba(255,255,255,.72);}

.bd-than2{background:#fff;border:1px solid var(--rule,rgba(60,40,10,.18));border-top:none;
  border-radius:0 0 3px 3px;padding:6px 0 10px;flex:1;min-width:0;}
.bd-muc{
  display:block;padding:11px 18px;border-bottom:1px solid rgba(60,40,10,.08);
  color:inherit;text-decoration:none;min-width:0;transition:background .15s ease;
}
.bd-muc:last-child{border-bottom:none;}
a.bd-muc:hover{background:rgba(201,150,59,.1);}
.bd-muc-pali{font-family:var(--mono,'Montserrat',sans-serif);font-size:.54rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--gold-dark,#8b6914);
  display:block;overflow-wrap:anywhere;}
.bd-muc-vi{font-weight:600;font-size:.98rem;line-height:1.4;display:block;overflow-wrap:anywhere;}
a.bd-muc .bd-muc-vi{color:var(--accent,#7a1f1f);}
.bd-muc-so{font-family:var(--mono,'Montserrat',sans-serif);font-size:.53rem;letter-spacing:.08em;
  color:var(--ink-soft,rgba(26,18,8,.55));display:block;margin-top:2px;}

/* nhóm con trong một cột */
.bd-nhom{padding:9px 18px 4px;font-family:var(--mono,'Montserrat',sans-serif);font-size:.52rem;
  font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:rgba(60,40,10,.42);
  border-bottom:1px solid rgba(60,40,10,.08);background:rgba(201,150,59,.05);}

/* ── thanh cân đo độ dày ── */
.bd-can{margin:34px 0 40px;}
.bd-can-hang{display:flex;align-items:center;gap:14px;margin-bottom:11px;min-width:0;flex-wrap:wrap;}
.bd-can-ten{flex:0 0 auto;width:150px;font-family:var(--mono,'Montserrat',sans-serif);
  font-size:.58rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-soft,rgba(26,18,8,.7));}
.bd-can-thanh{flex:1 1 140px;min-width:0;height:20px;border-radius:2px;
  background:rgba(60,40,10,.08);overflow:hidden;}
.bd-can-thanh span{display:block;height:100%;
  background:linear-gradient(90deg,var(--gold,#c9963b),#e0b45f);}
.bd-can-hang.hl .bd-can-thanh span{background:linear-gradient(90deg,#7a1f1f,#a8452f);}
.bd-can-so{flex:0 0 auto;font-family:var(--mono,'Montserrat',sans-serif);font-size:.6rem;
  font-weight:700;color:var(--accent,#7a1f1f);white-space:nowrap;}

/* ── hộp cảnh báo về con số ── */
.bd-luuy{
  background:linear-gradient(135deg,#f7ece6,#efdcd2);border-left:4px solid var(--accent,#7a1f1f);
  border-radius:3px;padding:22px 24px;margin:0 0 32px;min-width:0;
}
.bd-luuy .bd-ly-nhan{display:block;font-family:var(--mono,'Montserrat',sans-serif);font-size:.56rem;
  font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--accent,#7a1f1f);
  margin-bottom:8px;}
.bd-luuy p{font-size:.95rem;line-height:1.75;margin:0 0 8px;}
.bd-luuy p:last-child{margin-bottom:0;}

/* ── bảng đối chiếu số liệu ── */
.bd-nguon-bang{overflow-x:auto;margin:0 0 34px;-webkit-overflow-scrolling:touch;}
.bd-nguon-bang table{border-collapse:collapse;width:100%;min-width:520px;font-size:.88rem;}
.bd-nguon-bang th,.bd-nguon-bang td{border:1px solid var(--rule,rgba(60,40,10,.18));
  padding:10px 13px;text-align:left;line-height:1.6;vertical-align:top;}
.bd-nguon-bang thead th{background:#2a2013;color:#f2e8d5;
  font-family:var(--mono,'Montserrat',sans-serif);font-size:.55rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;}
.bd-nguon-bang tbody tr:nth-child(odd){background:rgba(201,150,59,.055);}
.bd-nguon-bang td:first-child{font-weight:600;white-space:nowrap;}
.bd-nguon-bang .bd-cot-chuan{background:rgba(46,125,50,.09)!important;font-weight:700;}

/* ── chú giải bản đồ ── */
.bd-chugiai{display:flex;flex-wrap:wrap;gap:16px;margin:0 0 30px;
  padding:16px 18px;border-radius:3px;background:rgba(201,150,59,.08);}
.bd-chugiai div{display:flex;align-items:center;gap:8px;font-size:.85rem;min-width:0;}
.bd-chugiai i{width:16px;height:16px;border-radius:3px;flex:0 0 auto;font-style:normal;}

@media(max-width:600px){
  .bd-goc .bd-ten{font-size:1.5rem;}
  .bd-can-ten{width:100%;}
  .bd-dau-ten{font-size:1.18rem;}
}
@media print{
  .bd-nhanh{grid-template-columns:1fr 1fr 1fr;}
  .bd-cot,.bd-can-hang{break-inside:avoid;}
}