/* Layout: công ty xây dựng kiểu EPC — topbar, header dính, hero ảnh công trình thật, dịch vụ, quy trình, hồ sơ, liên hệ. Màu từ logo SB: xanh dương – đỏ – trắng, tông đậm. */
:root{
  --blue:#2B3192; --blue-deep:#1C2070; --blue-ink:#141850; --red:#E5202A; --red-deep:#C1121C;
  --white:#FFFFFF; --paper:#F6F8FD; --line:#D5DBEE; --text:#1F2445; --muted:#474C6E; --on-dark:#D9DCF5;
  --blue-soft:#EAF0FC; --blue-tint:#D7E1F8; --red-soft:#FDEEEF; --red-line:#F6C5C8; --zalo:#0068FF;
  --f-display:"Playfair Display",Georgia,"Times New Roman",serif;
  --f-ui:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --wrap:1180px; --r:10px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--white);color:var(--text);font-family:var(--f-body);font-size:16px;line-height:1.65}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:2px}
h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.22;margin:0;text-wrap:balance;color:var(--blue-ink)}
p{margin:0}
section[id],main[id]{scroll-margin-top:88px}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--blue);color:var(--white);font-weight:700;padding:10px 16px;border-radius:8px;transition:top .15s}
.skip:focus{top:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:20px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-ui);font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--red)}
.sec{padding-block:88px}
.sec-head{display:grid;gap:14px;max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:clamp(28px,4vw,40px);font-weight:700}
.sec-head p{color:var(--muted)}
.center{text-align:center;margin-inline:auto;justify-items:center}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--f-ui);font-weight:700;font-size:15px;padding:14px 24px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s,color .15s}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:18px;height:18px;flex:none}
.btn-red{background:var(--red);color:var(--white)}
.btn-red:hover{background:var(--red-deep)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:var(--white)}
.btn-ghost:hover{background:var(--white);color:var(--blue)}
.btn-line{border-color:var(--blue);color:var(--blue);background:var(--white)}
.btn-line:hover{background:var(--blue);color:var(--white)}
.btn-blue{background:var(--blue);color:var(--white)}
.btn-blue:hover{background:var(--blue-deep)}

/* Topbar */
.topbar{background:var(--blue-ink);color:var(--on-dark);font-size:13.5px;border-bottom:0}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:8px 28px;justify-content:space-between;padding-block:9px}
.topbar span{display:inline-flex;gap:8px;align-items:center}
.topbar svg{width:15px;height:15px;color:var(--red)}
.topbar b{color:var(--white);white-space:nowrap}

/* Header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--white);border-bottom:1px solid var(--line);box-shadow:0 6px 24px -18px rgba(20,24,80,.5)}
header .wrap{display:flex;align-items:center;gap:24px;padding-block:10px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand img{width:54px;height:auto}
.brand-txt{display:grid;line-height:1.15}
.brand-txt b{font-family:var(--f-ui);font-weight:800;color:var(--blue);font-size:19px;letter-spacing:.02em}
.brand-txt small{font-size:12px;color:var(--red);font-weight:600}
nav{margin-left:auto;display:flex;gap:26px}
nav a{font-weight:600;font-size:15px;color:var(--blue-ink);position:relative;padding-block:6px}
nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:width .2s}
nav a:hover::after,nav a[aria-current]::after{width:100%}
nav a[aria-current]{color:var(--blue)}
.hd-call{display:flex;align-items:center;gap:10px}
.hd-call .ic{width:42px;height:42px;border-radius:50%;background:var(--red);display:grid;place-items:center;color:var(--white)}
.hd-call .ic svg{width:20px;height:20px}
.hd-call small{display:block;font-size:12px;color:var(--muted)}
.hd-call b{font-family:var(--f-ui);color:var(--blue);font-size:17px;font-variant-numeric:tabular-nums}
.menu-btn{display:none;margin-left:auto;background:var(--blue);color:var(--white);border:0;border-radius:8px;width:44px;height:44px;cursor:pointer}
.menu-btn svg{width:22px;height:22px}
@media (max-width:980px){
  nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--white);flex-direction:column;gap:0;padding:8px 20px 16px;border-bottom:3px solid var(--red)}
  nav.open{display:flex}
  nav a{padding-block:12px;border-bottom:1px solid var(--line)}
  .hd-call{display:none}
  .menu-btn{display:grid;place-items:center}
}
@media (max-width:380px){header .wrap{gap:12px}.brand{gap:10px;flex:0 1 auto;min-width:0}.brand img{width:44px;flex:none}.brand-txt b{font-size:17px}.brand-txt small{font-size:10.5px}}

/* Hero */
.hero{position:relative;background:var(--blue-ink);color:var(--white);overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 35%}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(20,24,80,.94) 0%,rgba(20,24,80,.82) 50%,rgba(20,24,80,.45) 100%)}
.hero .wrap{position:relative;z-index:2;padding-block:96px 120px}
.hero .wrap > div{max-width:700px}
.hero .eyebrow{color:var(--white)}
.hero h1{color:var(--white);font-size:clamp(34px,5.2vw,58px);font-weight:700;margin-block:18px 20px;letter-spacing:0}
.hero h1 em{font-style:italic;color:var(--red)}
.hero-lead{font-size:18px;color:var(--on-dark);max-width:580px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-ticks{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:30px;font-size:15px;font-weight:600;color:var(--white)}
.hero-ticks span{display:inline-flex;gap:8px;align-items:center}
.hero-ticks svg{width:20px;height:20px;color:var(--white);background:var(--red);border-radius:50%;padding:4px}
@media (max-width:900px){
  .hero .wrap{padding-block:64px 88px}
  .hero::before{background:linear-gradient(180deg,rgba(20,24,80,.88) 0%,rgba(20,24,80,.8) 100%)}
}

/* Commitment band */
.band{position:relative;z-index:2;margin-top:-30px}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border-radius:var(--r);box-shadow:0 16px 40px -26px rgba(43,49,146,.35);border:1px solid var(--line);overflow:hidden}
.band-item{display:flex;gap:14px;align-items:flex-start;padding:24px 22px;border-right:1px solid var(--line)}
.band-item:last-child{border-right:0}
.band-item .ic{flex:none;width:46px;height:46px;border-radius:10px;background:var(--blue);color:var(--white);display:grid;place-items:center}
.band-item .ic svg{width:24px;height:24px}
.band-item b{display:block;font-family:var(--f-ui);color:var(--blue-ink);font-size:16px}
.band-item p{font-size:14px;color:var(--muted);line-height:1.5;margin-top:2px}
@media (max-width:900px){.band-grid{grid-template-columns:1fr 1fr}.band-item:nth-child(2){border-right:0}.band-item:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:520px){.band-grid{grid-template-columns:1fr}.band-item{border-right:0;border-bottom:1px solid var(--line)}.band-item:last-child{border-bottom:0}}

/* Vướng mắc thường gặp */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pain{display:grid;gap:10px;align-content:start;padding:28px 26px;border:1px solid var(--line);border-radius:var(--r);background:var(--white)}
.pain h3{font-size:21px;font-weight:700}
.pain p{color:var(--muted);font-size:15px}
.pain .fix{display:flex;gap:10px;align-items:flex-start;margin-top:6px;padding-top:14px;border-top:1px solid var(--line);color:var(--blue-ink);font-weight:600;font-size:15px}
.pain .fix svg{flex:none;width:22px;height:22px;color:var(--white);background:var(--blue);border-radius:50%;padding:4px}
@media (max-width:900px){.pain-grid{grid-template-columns:1fr}}

/* CTA nhỏ cuối mỗi section */
.sec-cta{display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:center;margin-top:40px;text-align:center}
.sec-cta p{font-weight:600;color:var(--blue-ink)}

/* About */
.about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.about-visual{position:relative;aspect-ratio:1/1;max-width:100%;background:var(--paper);border-radius:var(--r);display:grid;place-items:center;overflow:hidden}
.about-visual::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:32px 32px;opacity:.8}
.about-visual img{position:relative;width:62%;height:auto;mix-blend-mode:multiply}
.about-badge{position:absolute;left:20px;bottom:20px;background:var(--white);color:var(--blue-ink);border-left:4px solid var(--red);box-shadow:0 10px 30px -18px rgba(43,49,146,.4);padding:16px 20px;border-radius:8px;font-family:var(--f-ui);font-weight:800;line-height:1.25;max-width:230px}
.about-badge small{display:block;font-family:var(--f-body);font-weight:500;font-size:13px;opacity:.9;margin-top:4px}
.about-copy{display:grid;gap:18px}
.about-copy h2{font-size:clamp(28px,4vw,40px);font-weight:700}
.about-copy > p{color:var(--muted)}
.checks{list-style:none;padding:0;margin:4px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}
.checks li{display:flex;gap:10px;align-items:flex-start;font-weight:500}
.checks svg{flex:none;width:22px;height:22px;color:var(--white);background:var(--blue);border-radius:50%;padding:4px;margin-top:1px}
.about-photo{aspect-ratio:4/5}
.about-photo::before{display:none}
.about-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;mix-blend-mode:normal}
@media (max-width:900px){.about-grid{grid-template-columns:1fr;gap:36px}.about-visual{max-width:460px}}
@media (max-width:520px){.checks{grid-template-columns:1fr}}

/* Services */
.services{background:var(--paper)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px 26px;display:grid;gap:12px;align-content:start;transition:transform .2s,box-shadow .2s,border-color .2s;overflow:hidden}
.svc::after{content:"";position:absolute;left:0;bottom:0;height:4px;width:100%;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.svc:hover{transform:translateY(-4px);box-shadow:0 18px 40px -24px rgba(20,24,80,.5);border-color:transparent}
.svc:hover::after{transform:scaleX(1)}
.svc .ic{width:58px;height:58px;border-radius:12px;background:var(--blue);color:var(--white);display:grid;place-items:center}
.svc .ic svg{width:30px;height:30px}
.svc h3{font-size:21px;font-weight:700}
.svc p{color:var(--muted);font-size:15px}
.svc .tag{justify-self:start;font-size:12.5px;font-weight:600;color:var(--blue);background:var(--blue-soft);border-radius:999px;padding:3px 12px}
@media (max-width:900px){.svc-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.svc-grid{grid-template-columns:1fr}}

/* Process */
.process{background:var(--blue-ink);color:var(--white);position:relative;overflow:hidden}
.process .sec-head h2{color:var(--white)}
.process .sec-head p,.process .sec-cta p{color:var(--on-dark)}
.process .eyebrow{color:var(--white)}
.step{border-color:transparent}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{position:relative;display:grid;gap:10px;align-content:start;padding:28px 22px;background:var(--white);border:1px solid var(--line);border-radius:var(--r)}
.step .n{font-family:var(--f-display);font-weight:700;font-size:44px;line-height:1;color:var(--red)}
.step h3{color:var(--blue-ink);font-size:20px;font-weight:700}
.step p{color:var(--muted);font-size:14.5px}
.step .t{justify-self:start;font-size:12.5px;font-weight:600;color:var(--blue);background:var(--blue-soft);border:1px solid var(--blue-tint);padding:2px 10px;border-radius:999px}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* Công trình thực tế */
.gallery{display:grid;grid-auto-flow:dense;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:14px}
.gallery figure{position:relative;margin:0;border-radius:var(--r);overflow:hidden;background:var(--paper)}
.gallery figure:first-child{grid-column:span 2;grid-row:span 2}
.gallery figure:nth-child(5){grid-row:span 2}
.gallery figure:nth-child(7){grid-column:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:10px;right:10px;bottom:10px;background:var(--white);color:var(--blue-ink);font-size:13.5px;font-weight:600;line-height:1.35;padding:6px 10px;border-radius:6px;box-shadow:0 6px 16px -10px rgba(20,24,80,.5)}
@media (max-width:900px){.gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:200px}}
@media (max-width:520px){.gallery{grid-auto-rows:170px;gap:10px}.gallery figure:first-child{grid-row:span 2}.gallery figcaption{font-size:12.5px;left:6px;right:6px;bottom:6px}}

/* Documents + FAQ */
.docs-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.doc-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.doc-list li{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r);background:var(--white)}
.doc-list .ic{flex:none;width:36px;height:36px;border-radius:8px;background:var(--blue);color:var(--white);display:grid;place-items:center}
.doc-list .ic svg{width:20px;height:20px}
.doc-list b{display:block;color:var(--blue-ink)}
.doc-list span{font-size:14px;color:var(--muted)}
.doc-list li.sb{border-color:var(--red-line);background:var(--red-soft)}
.doc-list li.sb .ic{background:var(--white);color:var(--red-deep)}
.doc-photo{margin:16px 0 0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.doc-photo img{display:block;width:100%;height:auto}
.doc-photo figcaption{padding:10px 14px;font-size:14px;color:var(--muted);background:var(--white)}
.faq{display:grid;gap:12px}
.faq details{border:1px solid var(--line);border-radius:var(--r);background:var(--white);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 20px;font-weight:700;color:var(--blue-ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:28px;height:28px;border-radius:50%;background:var(--paper);color:var(--blue);display:grid;place-items:center;font-size:20px;font-weight:700;line-height:1}
.faq details[open] summary::after{content:"–";background:var(--blue-soft)}
.faq details p{padding:0 20px 18px;color:var(--muted);font-size:15px}
.col-title{font-size:22px;font-weight:700;margin-bottom:18px}
@media (max-width:900px){.docs-grid{grid-template-columns:1fr}}

/* Areas */
.areas{background:var(--blue);padding-block:64px}
.areas .wrap{display:grid;grid-template-columns:auto 1fr;gap:28px 48px;align-items:center}
.areas h2{font-size:26px;font-weight:700;color:var(--white)}
.areas h2 small{display:block;font-family:var(--f-body);font-size:14px;font-weight:500;color:var(--on-dark);margin-top:6px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips span{background:var(--white);border:1px solid var(--white);color:var(--blue-ink);font-weight:600;font-size:14.5px;padding:8px 16px;border-radius:999px}
.chips span.hl{background:var(--red);color:var(--white);border-color:var(--red)}
@media (max-width:800px){.areas .wrap{grid-template-columns:1fr}}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;border-radius:14px;overflow:hidden;box-shadow:0 24px 50px -30px rgba(43,49,146,.4);border:1px solid var(--line)}
.c-info{background:linear-gradient(150deg,#3A43A8,var(--blue));color:var(--white);padding:44px 38px;display:grid;gap:22px;align-content:start;position:relative;overflow:hidden}
.c-info::after{content:"";position:absolute;right:-70px;bottom:-70px;width:220px;height:220px;background:rgba(255,255,255,.1);clip-path:polygon(50% 0,100% 100%,0 100%)}
.c-info h2{color:var(--white);font-size:30px;font-weight:700}
.c-info > p{color:#DDE0FA}
.c-row{display:flex;gap:14px;align-items:flex-start;position:relative;z-index:1}
.c-row .ic{flex:none;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.12);display:grid;place-items:center}
.c-row .ic svg{width:20px;height:20px}
.c-row small{display:block;color:#B9BDE6;font-size:13px}
.c-row b{font-size:17px;user-select:all;font-variant-numeric:tabular-nums}
.copy-btn{margin-left:8px;font:inherit;font-size:12px;font-weight:600;color:var(--white);background:rgba(255,255,255,.14);border:0;border-radius:999px;padding:7px 14px;cursor:pointer;vertical-align:middle}
.copy-btn:hover{background:var(--red)}
.c-ctas{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
form.c-form{background:var(--white);padding:44px 38px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.c-form h3{grid-column:1/-1;font-size:22px;font-weight:700}
.c-form .full{grid-column:1/-1}
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:13.5px;font-weight:600;color:var(--blue-ink)}
.field label i{font-style:normal;font-weight:500;color:var(--muted)}
.field label b{color:var(--red-deep)}
.field [aria-invalid=true]{border-color:var(--red);background:var(--red-soft)}
.field .err{font-size:13.5px;font-weight:500;color:var(--red-deep)}
.field input,.field select,.field textarea{font:inherit;font-size:15px;color:var(--text);background:var(--paper);border:1.5px solid var(--line);border-radius:8px;padding:12px 14px;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);outline:none;background:var(--white)}
.field textarea{min-height:110px;resize:vertical}
.hp{position:absolute;left:-9999px}
.btn:disabled{opacity:.6;cursor:progress}
.form-note{grid-column:1/-1;font-size:14px;color:var(--muted)}
.form-ok{grid-column:1/-1;background:#EEF0FB;border-left:4px solid var(--blue);padding:14px 16px;border-radius:6px;font-size:14.5px;color:var(--blue-ink)}
.form-ok a{color:var(--red-deep);font-weight:700;text-decoration:underline}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
@media (max-width:520px){form.c-form{grid-template-columns:1fr;padding:32px 22px}.c-info{padding:36px 22px}}

/* Footer */
footer{background:var(--blue-ink);color:var(--on-dark);border-top:0;font-size:14.5px;margin-top:88px}
.ft-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-block:56px 40px}
.ft-brand{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.ft-brand .logo-box{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:6px;flex:none}
.ft-brand img{width:56px;height:auto;display:block}
.ft-brand b{font-family:var(--f-ui);font-weight:800;color:var(--white);font-size:20px}
footer h3{color:var(--white);font-size:16px;font-weight:700;margin:0 0 14px;position:relative;padding-bottom:10px}
footer h3::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:3px;background:var(--red)}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
footer a:hover{color:var(--white);text-decoration:underline}
footer b{color:var(--white)}
.ft-bottom{border-top:1px solid rgba(255,255,255,.15);padding-block:18px;font-size:13px;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between}
@media (max-width:800px){.ft-grid{grid-template-columns:1fr}}

/* Floating buttons */
.float{position:fixed;right:16px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:60;display:grid;gap:12px}
.float a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:var(--white);box-shadow:0 10px 24px -8px rgba(0,0,0,.45);font-family:var(--f-ui);font-weight:900;font-size:13px}
.float .zalo{background:var(--zalo)}
.float .call{background:var(--red);animation:ring 2.4s infinite}
.float svg{width:24px;height:24px}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(229,32,42,.55)}60%{box-shadow:0 0 0 14px rgba(229,32,42,0)}}


/* Thanh liên hệ cố định trên điện thoại (thay cho nút nổi) */
.mbar{display:none}
@media (max-width:600px){
  .float{display:none}
  .mbar{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--white);border-top:1px solid var(--line);box-shadow:0 -8px 24px -16px rgba(20,24,80,.5);padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px));transition:transform .2s}
  .mbar.off{transform:translateY(110%)}
  .mbar a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;border-radius:999px;font-family:var(--f-ui);font-weight:800;font-size:14.5px}
  .mbar svg{width:18px;height:18px}
  .mb-call{border:2px solid var(--blue);color:var(--blue)}
  .mb-zalo{background:var(--zalo);color:var(--white)}
  .mb-form{background:var(--red);color:var(--white)}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom,0px))}
}