/* SGMM NHIP FIB - he khoang cach Fibonacci + ty le vang + bo mau dong nhat */
:root{--f1:8px;--f2:13px;--f3:21px;--f4:34px;--f5:55px;--f6:89px;
 --sg-ink:#013B42;--sg-teal:#038981;--sg-mint:#E3F4F1;--sg-nen:#F7F8F9;--sg-chu:#55677A;--sg-vang:#F2B33D;--sg-vang2:#E39A1B;
 --sg-khung:1144px}
/* 1. Mot be rong noi dung cho ca site */
.fb-w{max-width:var(--sg-khung)!important;margin-left:auto!important;margin-right:auto!important;
 padding-left:var(--f3)!important;padding-right:var(--f3)!important;box-sizing:border-box!important}
/* 2. Nhip doc giua cac khoi */
.fb-band{margin-top:0!important;margin-bottom:0!important}
.fb-gap{margin-top:var(--f5)!important}
.fb-pad{padding-top:var(--f5)!important;padding-bottom:var(--f5)!important}
.fb-alt{background:#fff!important;box-shadow:0 0 0 100vmax #fff!important;clip-path:inset(0 -100vmax)!important}
.fb-alt.fb-tint{background:var(--sg-mint)!important;box-shadow:0 0 0 100vmax var(--sg-mint)!important}
main.fb-main{padding-bottom:0!important}
.fb-endgap{margin-bottom:var(--f5)!important}
/* 3. Tieu de khoi: co chu theo Fibonacci, vach vang ngan */
.fb-h{font-size:var(--f4)!important;line-height:1.24!important;letter-spacing:-.01em;color:var(--sg-ink)}
.fb-h::after{content:"";display:block;width:var(--f4);height:3px;border-radius:2px;margin-top:var(--f2);
 background:linear-gradient(90deg,var(--sg-vang),var(--sg-vang2))}
.fb-dark .fb-h,.fb-h.fb-on-dark{color:#fff}
.fb-h.fb-center::after{margin-left:auto;margin-right:auto}
h1 em,h1 .hl,h1 i{color:var(--sg-teal)!important}
/* 4. Luoi the: khoang cach 21 */
.fb-grid{gap:var(--f3)!important}
/* 5. Ty le vang cho khoi hai cot dau trang */
.fb-phi{grid-template-columns:minmax(0,1.618fr) minmax(0,1fr)!important;column-gap:var(--f5)!important}
.fb-phi.fb-phi-r{grid-template-columns:minmax(0,1fr) minmax(0,1.618fr)!important}
/* 6. The noi nhe khi re chuot */
.fb-card{transition:transform .2s ease,box-shadow .2s ease}
.fb-card:hover{transform:translateY(-3px);box-shadow:0 13px 34px -13px rgba(1,59,66,.28)!important}
/* doc de: noi dung chu trong khung rong giu do dai dong vua mat */
.b2c.fb-w>p,.b2c.fb-w>ul,.b2c.fb-w>ol,.b2c.fb-w>blockquote,.b2c.fb-w>h2,.b2c.fb-w>h3{max-width:820px}
/* 7. Anh loi: an gon */
.fb-an{display:none!important}
@media(max-width:760px){
 :root{--f5:34px;--f6:55px}
 .fb-h{font-size:26px!important}
 .fb-w{padding-left:var(--f3)!important;padding-right:var(--f3)!important}
 .fb-phi,.fb-phi.fb-phi-r{grid-template-columns:1fr!important}
}