/* PCCC Diệp Linh — house style (vn-business-web). Suy ra từ mockup GPT 1024px × 1.406 = 1440px. */
/* ============ variables ============ */
:root{
  --c-brand:#1f2a37;          /* xám than: tiêu đề, icon, chữ đậm (lấy từ chữ "PCCC" trong logo) */
  --c-brand-600:#263240;
  --c-brand-soft:#eef1f5;
  --c-cta:#c8121a;            /* đỏ logo: mọi nút chính, hotline */
  --c-cta-400:#e0262d; --c-cta-600:#a90e15;
  --c-cta-soft:#fdecec;
  --c-zalo:#0068ff;
  --c-text:#4b5563;           /* chữ thân: slate, không đen */
  --c-muted:#6b7280;
  --c-border:#e5e7eb; --c-border-strong:#d1d5db;
  --c-bg:#f7f8fa; --c-bg-soft:#f2f5f9; --c-white:#fff;
  --vnb-ilink:var(--c-cta);
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --fs-hero:42px; --fs-h2:34px; --fs-h3:21px; --fs-lead:19px; --fs-body:16.5px; --fs-sm:14.5px; --fs-xs:13px;
  --lh-tight:1.16; --lh-body:1.65;
  --container:1260px; --gutter:32px; --bleed:20px;
  --r-sm:6px; --r-md:10px; --r-lg:14px; --r-pill:999px;
  --sh-sm:0 1px 2px rgba(17,24,39,.05),0 2px 8px rgba(17,24,39,.05);
  --sh-md:0 8px 28px rgba(17,24,39,.09);
  --sh-cta:0 8px 18px rgba(200,18,26,.28);
  --topbar-h:40px; --header-h:86px;
  --ease:cubic-bezier(.22,.61,.36,1); --dur:.25s;
}
/* ============ reset/base ============ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 var(--fs-body)/var(--lh-body) var(--font);color:var(--c-text);background:var(--c-white)}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
body a{text-decoration:none}
h1,h2,h3,h4{font-family:var(--font);color:var(--c-brand);margin:0 0 .5em;line-height:var(--lh-tight);letter-spacing:-.025em;font-weight:800}
h3,h4{letter-spacing:-.015em;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(200,18,26,.45);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:calc(var(--container) + var(--gutter)*2);margin:0 auto;padding:0 var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.section{padding:72px 0}
.section--soft{background:var(--c-bg)}
.section--tight{padding:52px 0}
/* link nội bộ trong nội dung: đậm, màu thương hiệu, không gạch chân */
a.vnb-ilink,.prose a{color:var(--vnb-ilink);font-weight:700;text-decoration:none}
a.vnb-ilink:hover,.prose a:hover{color:var(--c-cta-600)}
/* ============ components ============ */
.icon{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--c-cta);font-weight:700;font-size:var(--fs-sm);letter-spacing:.06em;text-transform:uppercase;margin:0 0 12px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;border:2px solid var(--c-cta)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.sec-head h2{font-size:var(--fs-h2);margin:0 0 6px}
.sec-head p{margin:0;color:var(--c-muted);font-size:17px}
.more{color:var(--c-cta);font-weight:700;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.more .icon{width:18px;height:18px;transition:transform var(--dur) var(--ease)}
.more:hover .icon{transform:translateX(3px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:var(--r-md);font-weight:700;font-size:17px;border:2px solid transparent;cursor:pointer;transition:transform var(--dur) var(--ease),box-shadow var(--dur),background var(--dur),color var(--dur)}
.btn .icon{width:20px;height:20px;transition:transform var(--dur) var(--ease)}
.btn:hover .icon{transform:translateX(3px)}
.btn--cta{background:linear-gradient(180deg,var(--c-cta-400),var(--c-cta) 55%,var(--c-cta-600));color:#fff;box-shadow:var(--sh-cta)}
.btn--cta:hover{transform:translateY(-1px);box-shadow:0 12px 22px rgba(200,18,26,.32)}
.btn--outline{border-color:var(--c-brand);color:var(--c-brand);background:#fff}
.btn--outline:hover{background:var(--c-brand);color:#fff}
.btn--white{background:#fff;color:var(--c-cta)}
.btn--sm{min-height:42px;padding:0 18px;font-size:15px}
.btn--block{width:100%}
.chip{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);background:var(--c-bg-soft);color:var(--c-brand);font-size:var(--fs-xs);font-weight:600;border:1px solid var(--c-border)}
.pill-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill-links a{padding:9px 16px;border:1px solid var(--c-border-strong);border-radius:var(--r-pill);font-weight:600;font-size:15px;color:var(--c-brand);background:#fff}
.pill-links a:hover{border-color:var(--c-cta);color:var(--c-cta)}
.card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-sm);transition:transform var(--dur) var(--ease),box-shadow var(--dur)}
a.card:hover,.card--hover:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.card__media{aspect-ratio:16/7.2;overflow:hidden;background:var(--c-bg-soft)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
a.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card__title{font-size:20px;margin:0 0 6px;color:var(--c-brand)}
.card__text{color:var(--c-text);font-size:15px;line-height:1.55;margin:0 0 12px}
.card__link{margin-top:auto;color:var(--c-cta);font-weight:700;font-size:15px;display:inline-flex;gap:6px;align-items:center}
.card__link .icon{width:16px;height:16px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.tick{list-style:none;display:grid;gap:10px;margin:0 0 20px}
.tick li{display:flex;gap:10px;align-items:flex-start;color:var(--c-brand);font-weight:600}
.tick li .icon{color:var(--c-cta);width:20px;height:20px;margin-top:3px}
.tick--plain li{font-weight:400;color:var(--c-text)}
.breadcrumb{font-size:var(--fs-sm);color:var(--c-muted);margin:0 0 14px}
.breadcrumb a:hover{color:var(--c-cta)}
.note{font-size:var(--fs-xs);color:var(--c-muted)}
/* ============ header ============ */
.topbar{background:var(--c-brand);color:#e5e7eb;font-size:14px;height:var(--topbar-h);display:flex;align-items:center}
.topbar .container{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.topbar a:hover{color:#fff}
.topbar .dot{opacity:.5}
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--c-border);transition:box-shadow var(--dur)}
.header.is-scrolled{box-shadow:0 6px 20px rgba(17,24,39,.08)}
.header__row{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo{flex-shrink:0;display:block}
.logo img{width:240px;height:auto}
.nav{flex:1;display:flex;justify-content:center;min-width:0}
.nav>ul{list-style:none;display:flex;gap:4px;align-items:center;white-space:nowrap}
.nav>ul>li{position:relative}
.nav>ul>li>a{display:flex;align-items:center;gap:4px;padding:10px 11px;font-weight:600;color:var(--c-brand);border-radius:8px;font-size:16px}
.nav>ul>li>a:hover,.nav>ul>li>a[aria-current="page"]{color:var(--c-cta)}
.nav .caret{width:16px;height:16px}
.sub{position:absolute;top:100%;left:0;min-width:320px;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);box-shadow:var(--sh-md);padding:8px;list-style:none;opacity:0;visibility:hidden;transform:translateY(6px);transition:all var(--dur) var(--ease)}
.nav li:hover>.sub,.nav li:focus-within>.sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:10px 12px;border-radius:8px;font-weight:600;color:var(--c-brand);font-size:15px}
.sub a:hover{background:var(--c-bg-soft);color:var(--c-cta)}
.header__actions{display:flex;align-items:center;gap:12px;flex-shrink:0;margin-left:auto}
.hotline{display:flex;align-items:center;gap:10px;background:linear-gradient(180deg,var(--c-cta-400),var(--c-cta) 55%,var(--c-cta-600));color:#fff;border-radius:var(--r-md);padding:8px 16px 8px 12px;box-shadow:var(--sh-cta);flex-shrink:0}
.hotline .icon{width:24px;height:24px}
.hotline b{display:block;font-size:18px;line-height:1.1;letter-spacing:.01em}
.hotline small{display:block;font-size:12px;opacity:.9}
.btn-expert{display:inline-flex;align-items:center;gap:8px;border:2px solid var(--c-cta);color:var(--c-cta);border-radius:var(--r-md);padding:0 14px;min-height:48px;font-weight:700;background:#fff;flex-shrink:0}
.btn-expert:hover{background:var(--c-cta-soft)}
.burger{display:none;width:46px;height:46px;border:1px solid var(--c-border);border-radius:10px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
.call-round{display:none}
body.nav-tight .nav,body.nav-tight .btn-expert{display:none}
body.nav-tight .burger{display:inline-flex}
.drawer{position:fixed;inset:0;z-index:100;display:none}
.drawer.is-open{display:block}
.drawer__bg{position:absolute;inset:0;background:rgba(17,24,39,.45)}
.drawer__panel{position:absolute;right:0;top:0;bottom:0;width:min(360px,88vw);background:#fff;padding:20px;overflow:auto}
.drawer__panel ul{list-style:none}
.drawer__panel a{display:block;padding:12px 4px;border-bottom:1px solid var(--c-border);font-weight:600;color:var(--c-brand)}
.drawer__panel .sub-m a{padding-left:18px;font-weight:500;font-size:15px}
.drawer__close{float:right;border:0;background:none;font-size:28px;line-height:1;cursor:pointer;color:var(--c-brand)}
/* ============ hero (home) ============ */
.hero{position:relative;background:linear-gradient(180deg,var(--c-bg-soft),#fff);overflow:hidden}
.hero__inner{position:relative;display:grid;grid-template-columns:minmax(0,50fr) minmax(0,50fr);min-height:560px;align-items:center}
.hero__text{position:relative;z-index:2;padding:48px 0 120px}
.hero h1{font-size:var(--fs-hero);margin:0 0 16px}
.hero h1 span{white-space:nowrap}
.hero__lead{font-size:var(--fs-lead);color:var(--c-text);max-width:560px;margin:0 0 26px}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.trust{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));max-width:600px}
.trust li{list-style:none;text-align:center;padding:0 8px;border-left:1px solid var(--c-border-strong)}
.trust li:first-child{border-left:0}
.trust .icon{width:34px;height:34px;margin:0 auto 8px;color:var(--c-brand);stroke-width:1.5}
.trust b{display:block;color:var(--c-brand);font-size:15px;line-height:1.3}
.trust span{font-size:14px;color:var(--c-text)}
.hero__media{position:absolute;right:0;top:0;bottom:0;width:58%;z-index:1}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center top;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 22%);mask-image:linear-gradient(90deg,transparent 0,#000 22%);animation:kb 9s var(--ease) both}
@keyframes kb{from{transform:scale(1.05)}to{transform:scale(1)}}
/* ô "hỏi chuyên gia" đè mép dưới hero */
.ask{position:relative;z-index:5;margin-top:-92px}
.ask__box{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:24px 28px}
.ask__head{display:flex;align-items:center;gap:18px;margin-bottom:16px}
.ask__avatar{position:relative;flex-shrink:0;width:60px;height:60px;border-radius:50%;overflow:hidden;border:3px solid #fff;box-shadow:0 0 0 2px var(--c-cta-soft)}
.ask__avatar img{width:100%;height:100%;object-fit:cover}
.online{position:absolute;right:2px;bottom:2px;width:13px;height:13px;border-radius:50%;background:#16a34a;border:2px solid #fff}
.ask__head h2{font-size:24px;margin:0 0 2px}
.ask__head p{margin:0;color:var(--c-muted);font-size:15.5px}
.ask__form{display:flex;gap:12px}
.ask__form input{flex:1;min-width:0;height:54px;border:1px solid var(--c-border-strong);border-radius:var(--r-md);padding:0 18px;font-size:17px;background:#fff}
.ask__form input:focus{border-color:var(--c-cta);outline:0;box-shadow:0 0 0 3px rgba(200,18,26,.12)}
.ask__sugg{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.ask__sugg button{border:1px solid var(--c-border);background:var(--c-bg-soft);border-radius:var(--r-pill);padding:8px 16px;font-size:14.5px;color:var(--c-brand);cursor:pointer}
.ask__sugg button:hover{border-color:var(--c-cta);color:var(--c-cta)}
/* ============ home blocks ============ */
.field{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-border);background:#fff;box-shadow:var(--sh-sm)}
.field img{aspect-ratio:4/2;object-fit:cover;width:100%}
.field div{padding:14px 18px}
.field h3{font-size:19px;margin:0 0 2px}
.field p{margin:0;font-size:14.5px}
.steps{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px;position:relative;list-style:none}
.steps::before{content:"";position:absolute;left:8%;right:8%;top:17px;border-top:2px dotted var(--c-border-strong)}
.steps li{position:relative;text-align:center}
.steps .num{position:relative;z-index:1;display:grid;place-items:center;width:36px;height:36px;margin:0 auto 12px;border-radius:50%;background:var(--c-cta);color:#fff;font-weight:800;box-shadow:0 0 0 6px #fff}
.section--soft .steps .num{box-shadow:0 0 0 6px var(--c-bg)}
.steps .box{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);padding:18px 10px;box-shadow:var(--sh-sm);height:calc(100% - 48px)}
.steps .icon{width:40px;height:40px;margin:0 auto 10px;color:var(--c-brand);stroke-width:1.5}
.steps b{display:block;color:var(--c-brand);font-size:16px;line-height:1.3}
.steps p{font-size:14px;margin:6px 0 0;line-height:1.5}
.dark{background:var(--c-brand);color:#cbd5e1}
.dark h2{color:#fff}
.dark .sec-head p{color:#cbd5e1}
.dark .more{color:#fff}
.proj .card__media{aspect-ratio:16/8}
.proj .card__title{font-size:19px}
.proj__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.about__img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md)}
.about__img img{width:100%;aspect-ratio:16/10;object-fit:cover}
.about h2{font-size:32px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--c-border);padding-top:20px;margin-top:8px}
.stats div{text-align:center;border-left:1px solid var(--c-border)}
.stats div:first-child{border-left:0}
.stats b{display:block;color:var(--c-cta);font-size:38px;font-weight:800;line-height:1.1;letter-spacing:-.02em}
.stats span{font-size:15px}
.duo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
.panel{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-sm)}
.panel .sec-head{margin-bottom:18px}
.panel .sec-head h2{font-size:26px}
.panel .sec-head p{font-size:15px}
/* FAQ: mở 1 câu thì câu khác đóng */
.faq{display:grid;gap:10px}
.faq details{border:1px solid var(--c-border);border-radius:var(--r-md);background:#fff}
.faq summary{list-style:none;cursor:pointer;padding:14px 48px 14px 16px;font-weight:700;color:var(--c-brand);position:relative;line-height:1.45}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:18px;top:50%;width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-70%) rotate(45deg);transition:transform var(--dur)}
.faq details[open]{border-color:#f3c5c7;background:#fffafa}
.faq details[open] summary{color:var(--c-cta)}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq .ans{padding:0 16px 16px;font-size:16px;line-height:1.65}
.faq .ans p:last-child,.faq .ans ul:last-child{margin-bottom:0}
.faq .ans ul{padding-left:20px;margin:0 0 .8em}
.news-row{display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;align-items:center;padding:10px;border:1px solid var(--c-border);border-radius:var(--r-md);background:#fff;margin-bottom:12px}
.news-row:hover{border-color:#f3c5c7}
.news-row img{width:150px;aspect-ratio:16/9;object-fit:cover;border-radius:8px}
.news-row h3{font-size:17px;margin:0 0 6px;line-height:1.35}
.date{display:inline-flex;gap:6px;align-items:center;color:var(--c-muted);font-size:14px}
.date .icon{width:16px;height:16px}
/* CTA band */
.cta-band{background:linear-gradient(90deg,var(--c-cta-600),var(--c-cta) 40%,var(--c-cta-400));color:#fff;padding:44px 0;text-align:center}
.cta-band h2{color:#fff;font-size:34px;margin:0 0 4px}
.cta-band>.container>p{font-size:19px;margin:0 0 24px;opacity:.95}
.cta-band__btns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;max-width:980px;margin:0 auto}
.cta-band__btns a{display:flex;align-items:center;gap:14px;background:#fff;color:var(--c-cta);border-radius:var(--r-md);padding:12px 20px;text-align:left;box-shadow:0 8px 20px rgba(0,0,0,.12);transition:transform var(--dur) var(--ease)}
.cta-band__btns a:hover{transform:translateY(-2px)}
.cta-band__btns .icon{width:30px;height:30px}
.cta-band__btns b{display:block;font-size:19px;line-height:1.2}
.cta-band__btns small{display:block;color:var(--c-text);font-size:13.5px}
/* products */
.prod .card__media{aspect-ratio:1/1;background:#f3f4f6}
.prod .card__media img{object-fit:cover}
.prod .card__body{padding:14px 16px 16px}
.prod .code{font-size:13px;color:var(--c-muted);margin:0 0 4px}
.prod .card__title{font-size:17px;line-height:1.35}
.price{color:var(--c-cta);font-weight:800;font-size:18px;white-space:nowrap;margin:2px 0 12px}
.cat-chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.cat-chips a{padding:9px 16px;border-radius:var(--r-pill);border:1px solid var(--c-border-strong);font-weight:600;color:var(--c-brand);background:#fff;font-size:15px}
.cat-chips a.is-active,.cat-chips a:hover{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}
/* footer */
.footer{background:var(--c-bg);border-top:1px solid var(--c-border);padding:56px 0 0;font-size:15px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr .8fr 1.2fr;gap:36px}
.footer h3{font-size:18px;margin:0 0 14px}
.footer ul{list-style:none;display:grid;gap:9px}
.footer a:hover{color:var(--c-cta)}
.footer .co{font-weight:700;color:var(--c-brand);margin:14px 0 10px}
.contact-list li{display:flex;gap:10px;align-items:flex-start}
.contact-list .icon{width:18px;height:18px;margin-top:3px;color:var(--c-cta)}
.map{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-border);aspect-ratio:16/10;background:#e5e7eb}
.map iframe{width:100%;height:100%;border:0}
.copy{margin-top:40px;border-top:1px solid var(--c-border);padding:16px 0;text-align:center;font-size:14px}
.copy a{font-weight:700;color:var(--c-brand)}
/* floating */
.fab{position:fixed;right:18px;bottom:24px;z-index:60;display:grid;gap:14px}
.fab a,.fab button{position:relative;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;border:0;cursor:pointer;box-shadow:0 6px 16px rgba(0,0,0,.18)}
.fab .icon{width:26px;height:26px;position:relative;z-index:1}
.fab__zalo{background:var(--c-zalo)} .fab__zalo b{position:relative;z-index:1;font-size:13px;font-weight:800}
.fab__call{background:var(--c-cta)}
.fab__top{background:#fff!important;color:var(--c-brand)!important;opacity:0;pointer-events:none;transition:opacity var(--dur)}
.fab__top.is-show{opacity:1;pointer-events:auto}
.wave::before,.wave::after{content:"";position:absolute;inset:0;border-radius:50%;background:inherit;opacity:.55;animation:wave 2.2s ease-out infinite}
.wave::after{animation-delay:1.1s}
@keyframes wave{0%{transform:scale(1);opacity:.5}100%{transform:scale(1.9);opacity:0}}
.fab__call .icon{animation:wiggle 1.6s ease-in-out infinite}
@keyframes wiggle{0%,60%,100%{transform:rotate(0)}10%,30%,50%{transform:rotate(-14deg)}20%,40%{transform:rotate(14deg)}}
.mbar{display:none}
/* ============ inner pages ============ */
.phero{background:linear-gradient(180deg,var(--c-bg-soft),#fff);overflow:hidden;position:relative}
.phero__inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;padding-top:36px;padding-bottom:52px}
.phero h1{font-size:40px;margin:0 0 14px}
.phero__lead{font-size:18.5px;margin:0 0 22px}
.phero__img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md)}
.phero__img img{width:100%;aspect-ratio:3/2;object-fit:cover}
.mini-trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px;list-style:none}
.mini-trust li{display:flex;gap:8px;align-items:center;font-weight:600;color:var(--c-brand);font-size:15px}
.mini-trust .icon{color:var(--c-cta);width:22px;height:22px}
.feature{display:flex;gap:16px;padding:22px;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);box-shadow:var(--sh-sm)}
.feature .ic{flex-shrink:0;width:52px;height:52px;border-radius:12px;background:var(--c-cta-soft);color:var(--c-cta);display:grid;place-items:center}
.feature .ic .icon{width:26px;height:26px}
.feature h3{font-size:18px;margin:0 0 6px}
.feature p{margin:0;font-size:15.5px;line-height:1.6}
.split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:start}
.prose{font-size:17px;line-height:1.75}
.prose h2{font-size:28px;margin:1.6em 0 .6em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:21px;margin:1.4em 0 .5em}
.prose ul,.prose ol{padding-left:22px;margin:0 0 1.1em}
.prose li{margin-bottom:6px}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:15.5px}
.prose th,.prose td{border:1px solid var(--c-border);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--c-bg-soft);color:var(--c-brand)}
.prose blockquote{margin:0 0 1.2em;padding:14px 18px;border-left:4px solid var(--c-cta);background:var(--c-cta-soft);border-radius:0 8px 8px 0}
.aside-box{position:sticky;top:calc(var(--header-h) + 20px);background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-sm)}
.aside-box h3{font-size:20px}
.std{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 0}
.form{display:grid;gap:12px}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form label{font-size:14px;font-weight:600;color:var(--c-brand);display:grid;gap:5px}
.form input,.form select,.form textarea{width:100%;min-height:48px;border:1px solid var(--c-border-strong);border-radius:var(--r-sm);padding:10px 14px;background:#fff;font-size:16px}
.form textarea{min-height:110px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--c-cta);outline:0;box-shadow:0 0 0 3px rgba(200,18,26,.12)}
.quote{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:start}
.quote__info{background:var(--c-brand);color:#cbd5e1;border-radius:var(--r-lg);padding:30px}
.quote__info h2{color:#fff;font-size:28px}
.quote__info .contact-list a{color:#fff;font-weight:700}
.quote__info .icon{color:#fca5a5}
.related .card__media{aspect-ratio:16/9}
.pagehead{background:var(--c-bg-soft);padding:36px 0 30px;border-bottom:1px solid var(--c-border)}
.pagehead h1{font-size:38px;margin:0 0 8px}
.pagehead p{margin:0;font-size:18px;max-width:820px}
.article{max-width:820px;margin:0 auto}
.article__cover{border-radius:var(--r-lg);overflow:hidden;margin:0 0 26px}
.meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--c-muted);font-size:14.5px;margin:0 0 20px}
.specs{width:100%;border-collapse:collapse;font-size:15.5px}
.specs th,.specs td{border-bottom:1px solid var(--c-border);padding:11px 4px;text-align:left}
.specs th{width:42%;color:var(--c-brand);font-weight:600}
.pdetail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:start}
.pdetail__img{border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden;background:#f3f4f6}
.pdetail__img img{width:100%;aspect-ratio:1/1;object-fit:cover}
/* chat chuyên gia */
.chat{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);box-shadow:var(--sh-md);overflow:hidden;display:flex;flex-direction:column;height:min(720px,calc(100vh - 220px));min-height:520px}
.chat__head{display:flex;gap:14px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--c-border);background:#fff}
.chat__head .ask__avatar{width:52px;height:52px}
.chat__head b{display:block;color:var(--c-brand);font-size:17px}
.chat__head span{font-size:14px;color:#16a34a;font-weight:600}
.chat__head .right{margin-left:auto}
.chat__body{flex:1;overflow:auto;padding:20px;background:var(--c-bg)}
.msg{display:flex;gap:10px;margin-bottom:16px;max-width:86%}
.msg img{width:36px;height:36px;border-radius:50%;object-fit:cover;flex-shrink:0}
.msg .bubble{background:#fff;border:1px solid var(--c-border);border-radius:4px 14px 14px 14px;padding:12px 16px;font-size:16px;line-height:1.65}
.msg .bubble p{margin:0 0 .6em}.msg .bubble p:last-child{margin:0}
.msg .bubble ul{padding-left:20px;margin:0 0 .6em}
.msg .who{font-size:12.5px;color:var(--c-muted);margin:0 0 4px}
.msg--me{margin-left:auto;flex-direction:row-reverse}
.msg--me .bubble{background:var(--c-brand);color:#fff;border-color:var(--c-brand);border-radius:14px 4px 14px 14px}
.typing{display:inline-flex;gap:4px;padding:6px 0}
.typing i{width:7px;height:7px;border-radius:50%;background:#9ca3af;animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.3}40%{opacity:1}}
.chat__foot{border-top:1px solid var(--c-border);padding:12px 16px;background:#fff}
.chat__foot form{display:flex;gap:10px}
.chat__foot textarea{flex:1;min-height:50px;max-height:140px;border:1px solid var(--c-border-strong);border-radius:var(--r-md);padding:12px 14px;resize:none;font-size:16px}
.chat__note{font-size:12.5px;color:var(--c-muted);margin:8px 2px 0;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
/* ============ responsive ============ */
@media (max-width:1599.98px){.btn-expert{display:none}}
.header .container{max-width:calc(1440px + var(--gutter)*2)}
@media (max-width:1300px){:root{--fs-hero:38px;--header-h:80px}.logo img{width:205px}.nav>ul>li>a{padding:10px 8px;font-size:15.5px}}
@media (max-width:1199.98px){:root{--fs-hero:36px;--fs-h2:30px;--gutter:24px}.hero__inner{min-height:500px}.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.steps{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:28px}.steps::before{display:none}.footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:991.98px){
  :root{--fs-hero:32px;--fs-h2:28px;--header-h:70px;--topbar-h:auto}
  .topbar{display:none}
  .nav,.btn-expert,.hotline{display:none}
  .burger{display:inline-flex}
  .header__row{gap:12px}
  .logo img{width:190px}
  .call-round{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--c-cta);color:#fff;margin-left:auto}
  .call-round .icon{width:22px;height:22px}
  .header__actions{gap:10px}
  .hero__inner{grid-template-columns:1fr;min-height:0}
  .hero__media{position:relative;width:auto;margin:0 calc(var(--gutter)*-1);order:-1;height:auto}
  .hero__media img{aspect-ratio:16/10;height:auto;-webkit-mask-image:linear-gradient(180deg,#000 75%,transparent);mask-image:linear-gradient(180deg,#000 75%,transparent)}
  .hero__text{padding:8px 0 110px;min-width:0}
  .hero h1 span{white-space:normal}
  .g3,.duo,.about,.split,.quote,.phero__inner,.pdetail{grid-template-columns:1fr}
  .phero__img{order:-1}
  .aside-box{position:static}
  .cta-band__btns{grid-template-columns:1fr;max-width:420px}
  .section{padding:56px 0}
}
@media (max-width:767.98px){
  :root{--fs-hero:29px;--fs-h2:26px;--gutter:16px;--fs-body:16px}
  .g2,.g4{grid-template-columns:1fr}
  .grid{gap:18px}
  .card__media{aspect-ratio:16/9}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px}
  .trust{grid-template-columns:repeat(2,1fr);row-gap:16px}
  .trust li:nth-child(3){border-left:0}
  .hero__btns .btn{flex:1 1 100%}
  .ask{margin-top:-80px}
  .ask__box{padding:18px}
  .ask__form{flex-direction:column}
  .ask__form input{flex:none}
  .ask__head h2{font-size:20px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats b{font-size:30px}
  .news-row{grid-template-columns:110px minmax(0,1fr)}
  .news-row img{width:110px}
  .phero h1,.pagehead h1{font-size:29px}
  .form .row2{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .prod-grid--shop{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:12px}
  .prod-grid--shop .btn--sm{padding:0 8px;font-size:14px}
  .prod .card__title{font-size:15.5px}
  .fab{display:none}
  .mbar{display:grid;grid-template-columns:1fr 1fr 1.1fr 1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--c-border);box-shadow:0 -6px 18px rgba(0,0,0,.08);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
  .mbar a{display:grid;justify-items:center;gap:2px;font-size:12px;font-weight:600;color:var(--c-brand);padding:4px 0}
  .mbar .icon{width:24px;height:24px}
  .mbar .m-call{color:var(--c-cta)}
  .mbar .m-call .icon{animation:wiggle 1.6s ease-in-out infinite}
  .mbar .m-zalo{color:var(--c-zalo)}
  .mbar .m-main span.c{width:54px;height:54px;margin-top:-26px;border-radius:50%;background:var(--c-cta);color:#fff;display:grid;place-items:center;box-shadow:0 6px 14px rgba(200,18,26,.35);border:3px solid #fff;animation:pulse 2s infinite}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(200,18,26,.45)}70%{box-shadow:0 0 0 12px rgba(200,18,26,0)}100%{box-shadow:0 0 0 0 rgba(200,18,26,0)}}
  body{padding-bottom:72px}
  .chat{height:calc(100vh - 170px);border-radius:0;margin:0 calc(var(--gutter)*-1)}
  .msg{max-width:94%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  /* sóng nút Gọi/Zalo vẫn chạy (yêu cầu của chủ web) */
  .wave::before,.wave::after{animation:wave 2.2s ease-out infinite!important}
  .wave::after{animation-delay:1.1s!important}
}

/* ================= WordPress (theme con) ================= */
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;margin:0;padding:0}
.breadcrumb li+li::before{content:"/";margin-right:4px;color:#9ca3af}
.breadcrumb [aria-current]{color:var(--c-text)}
.noimg{display:grid;place-items:center;width:100%;height:100%;min-height:180px;background:#f3f4f6}
.noimg img{width:58%!important;height:auto!important;aspect-ratio:auto!important;object-fit:contain!important;opacity:.55}
.card__media>img{width:100%;height:100%;object-fit:cover}
.article__title{font-size:36px}
.pdetail__title{font-size:34px}
.pdetail__price{font-size:24px}
.pdetail__price small{font-size:15px;color:var(--c-muted);font-weight:500}
.pdetail .prose{margin:6px 0 16px}
.ask-panel{margin-top:28px;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.ask-panel__t{flex:1;min-width:220px}.ask-panel__t h2{font-size:22px;margin:0 0 4px}.ask-panel__t p{margin:0}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.gallery-grid img{border-radius:var(--r-md,10px);width:100%;height:auto}
.pager{margin:28px 0 0}.pager ul{list-style:none;display:flex;gap:8px;flex-wrap:wrap;justify-content:center;padding:0}
.pager a,.pager span{display:grid;place-items:center;min-width:44px;height:44px;padding:0 12px;border:1px solid var(--c-border);border-radius:10px;background:#fff;font-weight:600;color:var(--c-brand)}
.pager .current{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}
.search-form{display:flex;gap:10px;max-width:640px}.search-form input{flex:1;min-width:0;min-height:48px;border:1px solid var(--c-border-strong);border-radius:var(--r-sm);padding:10px 14px;font-size:16px}
.prose img{max-width:100%;height:auto;border-radius:10px}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:15px}.prose th,.prose td{border:1px solid var(--c-border);padding:8px 10px;text-align:left;vertical-align:top}.prose th{background:#f3f4f6}
.prose .wp-block-table{overflow-x:auto}
.aligncenter{margin-left:auto;margin-right:auto}.alignleft{float:left;margin:0 1em 1em 0}.alignright{float:right;margin:0 0 1em 1em}
.wp-caption-text,figcaption{font-size:14px;color:var(--c-muted);text-align:center;margin-top:6px}

/* Form VNB Core trong khung .form của mockup */
.dl-form .vnb-form{display:grid;gap:12px}
.dl-form .vnb-form__fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dl-form .vnb-form__field{display:grid;gap:5px}
.dl-form .vnb-form__field--service,.dl-form .vnb-form__field--message,.dl-form .vnb-form__field--address{grid-column:1/-1}
.dl-form .vnb-form__field label{display:block;font-size:14px;font-weight:600;color:var(--c-brand)}
.dl-form .vnb-form__field input,.dl-form .vnb-form__field select,.dl-form .vnb-form__field textarea{width:100%;min-height:48px;border:1px solid var(--c-border-strong);border-radius:var(--r-sm);padding:10px 14px;background:#fff;font-size:16px;font-family:inherit;color:var(--c-text)}
.dl-form .vnb-form__field textarea{min-height:110px;resize:vertical}
.dl-form .vnb-form__field input:focus,.dl-form .vnb-form__field select:focus,.dl-form .vnb-form__field textarea:focus{border-color:var(--c-cta);outline:0;box-shadow:0 0 0 3px rgba(200,18,26,.12)}
.dl-form .is-invalid{border-color:#dc2626!important}
.dl-form .vnb-form__hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.dl-form .vnb-form__product{margin:0;padding:10px 14px;background:#f3f4f6;border-radius:var(--r-sm);font-weight:600;color:var(--c-brand)}
.dl-form .vnb-form__submit{justify-self:start;display:inline-flex;align-items:center;gap:8px;min-height:50px;padding:0 26px;border:0;border-radius:var(--r-sm);font-weight:700;font-size:16px;color:#fff;cursor:pointer;background:linear-gradient(180deg,#e0262d,#c8121a 55%,#a90e15);box-shadow:0 6px 16px rgba(200,18,26,.28)}
.dl-form .vnb-form__submit:hover{filter:brightness(1.05)}
.dl-form .vnb-form__submit[disabled]{opacity:.7;cursor:wait}
.dl-form .vnb-form__status{margin:0;font-weight:600;min-height:1.2em}
.dl-form .vnb-form__status.is-success{color:#15803d}
.dl-form .vnb-form__status.is-error{color:#b91c1c}
.dl-form .vnb-form__consent{display:flex;gap:8px;font-size:14px}
.dl-form .note{margin:4px 0 0}
@media (max-width:767px){
  .dl-form .vnb-form__fields{grid-template-columns:1fr}
  .dl-form .vnb-form__submit{justify-self:stretch;justify-content:center}
  .article__title{font-size:28px}.pdetail__title{font-size:27px}
}
.chat__sugg{margin:0 0 8px 46px}
.msg .bubble ol{padding-left:20px;margin:0 0 .6em}
.msg .bubble a{color:var(--c-cta);font-weight:700}
.chat__foot textarea{resize:none}
@media (max-width:767px){.chat__sugg{margin-left:0}}
a.field{display:block;color:inherit;transition:box-shadow .2s,transform .2s}
a.field:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
a.field .card__link{margin-top:6px;display:inline-flex}
/* Thư viện ảnh dự án + phóng to */
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:0 0 28px}
.gal a{display:block;border-radius:10px;overflow:hidden;aspect-ratio:4/3;background:#f3f4f6}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.gal a:hover img{transform:scale(1.04)}
.lb{position:fixed;inset:0;z-index:9999;background:rgba(10,14,20,.92);display:none;align-items:center;justify-content:center}
.lb.is-open{display:flex}
.lb img{max-width:92vw;max-height:84vh;border-radius:8px;box-shadow:0 10px 40px rgba(0,0,0,.5)}
.lb button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;width:48px;height:48px;border-radius:50%;font-size:26px;cursor:pointer}
.lb .lb-x{top:16px;right:16px}.lb .lb-p{left:16px;top:50%;transform:translateY(-50%)}.lb .lb-n{right:16px;top:50%;transform:translateY(-50%)}
.lb p{position:absolute;bottom:14px;left:0;right:0;text-align:center;color:#e5e7eb;font-size:14px;margin:0;padding:0 60px}
.proj-status{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12.5px;font-weight:700;background:#ecfdf5;color:#047857;margin-left:6px}
.proj-status.is-run{background:#fff7ed;color:#c2410c}
.phero__img{position:relative}
.img-note{position:absolute;right:10px;bottom:10px;background:rgba(17,24,39,.72);color:#fff;font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:99px}
/* ===== Dự án: thư viện ảnh lớn bên trái, chữ bên phải ===== */
.phero--proj .phero__inner{grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);align-items:start}
.pgal{min-width:0}
.pgal__main{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);aspect-ratio:3/2;background:#111827}
.pgal__slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;display:block}
.pgal__slide.is-active{opacity:1;z-index:1}
.pgal__slide img{width:100%;height:100%;object-fit:cover}
.pgal__nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:44px;height:44px;border-radius:50%;border:0;background:rgba(17,24,39,.55);color:#fff;font-size:26px;line-height:1;cursor:pointer;opacity:0;transition:opacity .2s}
.pgal__main:hover .pgal__nav,.pgal__nav:focus-visible{opacity:1}
.pgal__prev{left:12px}.pgal__next{right:12px}
.pgal__count{position:absolute;left:12px;bottom:12px;z-index:3;background:rgba(17,24,39,.72);color:#fff;font-size:13px;padding:4px 10px;border-radius:99px}
.pgal__slide .img-note{z-index:2}
.pgal__thumbs{display:flex;gap:10px;margin-top:12px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.pgal__thumb{flex:0 0 96px;height:66px;border-radius:10px;overflow:hidden;border:2px solid transparent;padding:0;background:#e5e7eb;cursor:pointer;opacity:.7;transition:opacity .2s,border-color .2s}
.pgal__thumb img{width:100%;height:100%;object-fit:cover}
.pgal__thumb:hover{opacity:1}.pgal__thumb.is-active{border-color:var(--c-cta);opacity:1}
.pgal__hint{display:none}
.phero--proj .breadcrumb{margin-top:4px}
@media (max-width:991px){
  .phero--proj .phero__inner{grid-template-columns:1fr;gap:22px}
  .phero--proj .pgal{order:-1}
}
@media (max-width:767px){
  /* Điện thoại: vuốt ngang */
  .pgal__main{aspect-ratio:auto;display:flex;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;background:transparent;box-shadow:none;border-radius:0;margin:0 -16px;gap:10px;padding:0 16px}
  .pgal__main::-webkit-scrollbar{display:none}
  .pgal__slide{position:relative;inset:auto;opacity:1;flex:0 0 88%;scroll-snap-align:center;aspect-ratio:3/2;border-radius:14px;overflow:hidden;box-shadow:var(--sh-sm)}
  .pgal__main>.pgal__slide:only-of-type{flex-basis:100%}
  .pgal__nav,.pgal__thumbs{display:none}
  .pgal__count{position:static;display:none}
  .pgal__hint{display:flex;justify-content:center;margin:10px 0 0;font-size:13px;color:var(--c-muted)}
  .pgal__hint span{display:inline-flex;align-items:center;gap:6px;background:#f3f4f6;border-radius:99px;padding:4px 12px;animation:pgalHint 2.4s ease-in-out 3}
  .pgal__hint b{color:var(--c-cta)}
}
@keyframes pgalHint{0%,100%{transform:translateX(0)}50%{transform:translateX(-8px)}}
@media (prefers-reduced-motion:reduce){.pgal__slide{transition:none}.pgal__hint span{animation:none}}

/* Bảng giá theo quy cách */
.h-price{font-size:22px;margin:26px 0 10px}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.specs--price{min-width:420px}
.specs--price th,.specs--price td{text-align:left;white-space:nowrap}
.specs--price thead th{background:var(--c-soft,#f5f6f8)}
.specs--price td:last-child{text-align:right}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1em;font-size:15px}
.prose table th,.prose table td{border:1px solid var(--c-border);padding:8px 10px;text-align:left}
.prose table thead th{background:var(--c-soft,#f5f6f8)}
.specs--price th{width:auto;padding:10px 8px}.specs--price td{padding:10px 8px}
.pdetail>*{min-width:0}
.pdetail__more{max-width:860px}
.pdetail__more h2{font-size:24px;margin:28px 0 12px}
@media (max-width:767px){.prose table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}}
.pdetail__price small{white-space:normal;display:inline-block}
.pdetail__price{white-space:normal}

/* Popup báo giá */
.qmodal{border:0;padding:0;background:transparent;max-width:min(560px,calc(100vw - 24px));width:100%;max-height:calc(100dvh - 24px);overflow:visible}
.qmodal::backdrop{background:rgba(17,24,39,.6)}
.qmodal[open]{animation:qmIn .22s ease-out}
@keyframes qmIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.qmodal__box{position:relative;background:#fff;border-radius:16px;padding:22px 20px 16px;max-height:calc(100dvh - 24px);overflow-y:auto;-webkit-overflow-scrolling:touch;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.qmodal__box h2{font-size:22px;margin:0 36px 4px 0}
.qmodal__sub{margin:0 0 12px;color:var(--c-muted,#555);font-size:15px}
.qmodal__sub a{color:var(--c-cta);font-weight:700;white-space:nowrap}
.qmodal__x{position:absolute;top:10px;right:10px;width:40px;height:40px;border:0;border-radius:50%;background:#f1f2f4;font-size:26px;line-height:1;cursor:pointer;color:#333}
.qmodal__x:hover{background:#e4e6ea}
.qmodal .dl-form{padding:0;border:0;box-shadow:none;background:none}
body.qm-open{overflow:hidden}
@media (max-width:767px){.qmodal{max-width:100vw;margin:auto 0 0;width:100vw}.qmodal__box{border-radius:18px 18px 0 0;max-height:92dvh;padding-bottom:calc(16px + env(safe-area-inset-bottom))}.qmodal[open]{animation:qmUp .25s ease-out}@keyframes qmUp{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}}
#bao-gia,#dat-hang,#chi-tiet{scroll-margin-top:84px}
@media (prefers-reduced-motion:reduce){.qmodal[open]{animation:none}}
/* Quy trình các bước: trang dịch vụ đặt số cột bằng style inline → ép lại theo màn hình */
@media (max-width:1199.98px){.steps[style]{grid-template-columns:repeat(2,minmax(0,1fr))!important;row-gap:28px}}
@media (max-width:767px){
  .steps,.steps[style]{grid-template-columns:1fr!important;gap:12px;padding:0;margin-left:0}
  .steps::before{display:block;left:17px;right:auto;top:20px;bottom:20px;border-top:0;border-left:2px dotted var(--c-border-strong)}
  .steps li{display:flex;align-items:flex-start;gap:14px;text-align:left}
  .steps .num{flex:none;margin:0}
  .steps .box{flex:1;min-width:0;height:auto;padding:14px 16px}
  .steps .icon{margin:0 0 8px}
  .steps .box:has(> .icon){display:flex;align-items:center;gap:12px;padding:12px 16px}
  .steps .box > .icon{margin:0;flex:none;width:28px;height:28px}
}

/* Popup Hỏi chuyên gia */
.cmodal{border:0;padding:0;background:transparent;width:min(560px,calc(100vw - 24px));max-width:none;max-height:none;overflow:visible}
.cmodal::backdrop{background:rgba(17,24,39,.6)}
.cmodal[open]{animation:qmIn .22s ease-out}
.cmodal .chat{height:min(720px,calc(100dvh - 40px));max-width:none;margin:0;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.cmodal .chat__head{padding-right:64px}
.cmodal__x{z-index:2;top:14px;right:12px}
@media (min-width:768px){.cmodal .chat__head .right{margin-right:0}}
@media (max-width:767px){
  .cmodal{width:100vw;margin:auto 0 0}
  .cmodal .chat{height:calc(100dvh - 40px);border-radius:18px 18px 0 0;border:0}
  .cmodal .chat__head{padding:12px 60px 12px 14px;gap:10px}
  .cmodal .chat__head .ask__avatar{width:42px;height:42px}
  .cmodal .chat__head b{font-size:15px}
  .cmodal .chat__head .right{display:none}
  .cmodal .chat__foot{padding-bottom:calc(10px + env(safe-area-inset-bottom))}
  .cmodal[open]{animation:qmUp .25s ease-out}
}
@media (prefers-reduced-motion:reduce){.cmodal[open]{animation:none}}

/* ===== Trang chủ "Business" (1.1.2): dải số liệu, năng lực, dự án nổi bật, nhóm thiết bị ===== */
.bz-stats{background:var(--c-brand);color:#fff;padding:26px 0}
.bz-stats ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;padding:0}
.bz-stats li{list-style:none;text-align:center;padding:4px 12px;border-left:1px solid rgba(255,255,255,.18)}.bz-stats li:first-child{border-left:0}
.bz-stats b{display:block;font-size:36px;font-weight:800;line-height:1.1;letter-spacing:-.02em}.bz-stats b em{font-style:normal;color:#f87171}
.bz-stats span{font-size:14px;opacity:.85}
.bz-about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.bz-about__img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md)}.bz-about__img img{width:100%;height:auto;display:block}
.bz-cert{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0 24px}
.bz-cert>div{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--c-border);border-radius:12px;padding:14px;background:#fff}
.bz-cert svg{flex:0 0 28px;width:28px;height:28px;stroke:var(--c-cta);fill:none;stroke-width:1.6}
.bz-cert b{display:block;font-size:15px;line-height:1.35}.bz-cert span{font-size:13px;color:#6b7280}
.bz-cert .bz-cert__main{grid-column:1/-1;background:#fff5f5;border-color:#fecaca}.bz-cert__main b{font-size:16px}
.bz-btns{display:flex;gap:12px;flex-wrap:wrap}
.bz-proj{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:24px}
.bz-proj__big{position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;min-height:440px;color:#fff}
.bz-proj__big img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bz-proj__big:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 35%,rgba(10,15,25,.88))}
.bz-proj__cap{position:absolute;left:0;right:0;bottom:0;padding:28px;z-index:1}.bz-proj__cap h3{color:#fff;font-size:24px;margin:8px 0}.bz-proj__cap p{color:rgba(255,255,255,.88);margin:0;font-size:15px}
.bz-badge{display:inline-block;background:var(--c-cta);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:99px;letter-spacing:.03em}
.bz-proj__list{display:grid;gap:14px}
.bz-proj__item{display:grid;grid-template-columns:132px minmax(0,1fr);gap:14px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:10px;color:#fff;transition:background .2s}
.bz-proj__item:hover{background:rgba(255,255,255,.12)}.bz-proj__item img{width:132px;height:88px;object-fit:cover;border-radius:8px}
.bz-proj__item h3{color:#fff;font-size:16px;line-height:1.35;margin:0 0 4px}.bz-proj__item p{margin:0;font-size:13px;color:rgba(255,255,255,.75);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bz-cats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.bz-cat{display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px;align-items:center;background:#fff;border:1px solid var(--c-border);border-radius:14px;padding:12px;color:inherit;transition:box-shadow .2s,transform .2s}
.bz-cat:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.bz-cat img{width:120px;height:90px;object-fit:cover;border-radius:10px;background:var(--c-bg-soft)}
.bz-cat h3{font-size:17px;margin:0 0 6px}.bz-cat em{font-style:normal;color:var(--c-cta);font-weight:700;font-size:14px;display:inline-flex;gap:4px;align-items:center}
.bz-cat em .icon{width:16px;height:16px}
.ask.ask--flat{margin-top:0;padding:64px 0}
@media (max-width:991.98px){.bz-about,.bz-proj{grid-template-columns:1fr}.bz-cats{grid-template-columns:repeat(2,minmax(0,1fr))}.bz-proj__big{min-height:340px}}
@media (max-width:639.98px){.bz-stats ul{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:18px}.bz-stats li:nth-child(3){border-left:0}.bz-stats b{font-size:30px}.bz-cats{grid-template-columns:1fr}.bz-cert{grid-template-columns:1fr}.bz-proj__item{grid-template-columns:100px minmax(0,1fr)}.bz-proj__item img{width:100px;height:72px}.bz-proj__cap{padding:20px}.bz-proj__cap h3{font-size:20px}.ask.ask--flat{padding:40px 0}}