:root{
  --navy:#002653; --navy-2:#0a3a78; --ink:#1b2333; --muted:#5d6678;
  --gold:#D2AC67; --gold-2:#E9D5AC; --cream:#F5F0E6; --line:#E6E0D3; --white:#fff;
  --radius:14px; --shadow:0 10px 30px rgba(19,47,99,.08);
  --serif:"Be Vietnam Pro",system-ui,sans-serif; --sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--white);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,100% - 32px);margin-inline:auto}
.eyebrow{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:600}
h1,h2,h3{line-height:1.25;color:var(--navy)}
.serif{font-family:var(--serif);font-weight:600}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:.95rem;transition:.2s;border:1.5px solid transparent;cursor:pointer}
.btn-gold{background:var(--gold);color:var(--navy)}.btn-gold:hover{background:#c39a4f}
.btn-line{border-color:currentColor}.btn-line:hover{background:rgba(255,255,255,.12)}
.btn-navy{background:var(--navy);color:#fff}.btn-navy:hover{background:var(--navy-2)}

/* Topbar + header */
.topbar{background:var(--navy);color:#cfd8ea;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;gap:12px;padding:7px 0;flex-wrap:wrap}
.topbar a:hover{color:#fff}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:40px;height:40px;border-radius:50%;background:var(--navy);display:grid;place-items:center;color:var(--gold-2);font-family:var(--serif);font-size:1.3rem;font-weight:700}
.logo-text b{display:block;font-size:1.25rem;letter-spacing:.08em;color:var(--navy);line-height:1}
.logo-text small{font-size:.66rem;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
nav.main ul{display:flex;gap:4px;list-style:none;align-items:center}
nav.main a{padding:10px 14px;border-radius:8px;font-weight:500;font-size:.95rem;color:var(--ink)}
nav.main a:hover,nav.main a.active{color:var(--navy);background:var(--cream)}
nav.main .btn{color:#fff;margin-left:8px}
.menu-btn{display:none;background:none;border:0;font-size:1.6rem;color:var(--navy);cursor:pointer;width:44px;height:44px}

/* Hero */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:0;right:0;bottom:0;width:72px;background:url(pattern-gold.svg) 0 0/36px 36px;opacity:.9}
.hero::after{content:"";position:absolute;left:-160px;bottom:-200px;width:460px;height:460px;border:1px solid rgba(210,172,103,.25);border-radius:50%}
.hero .container{padding:88px 0 96px;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero h1{color:#fff;font-family:var(--serif);font-size:clamp(2rem,4.4vw,3.3rem);margin:14px 0 18px}
.hero p.lead{color:#dbe3f3;font-size:1.08rem;max-width:560px}
.hero .actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(210,172,103,.45);border-radius:var(--radius);padding:26px}
.hero-card h3{color:var(--gold-2);font-size:1rem;margin-bottom:10px}
.hero-card li{list-style:none;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.2);font-size:.95rem}
.hero-card li:last-child{border:0}
.hero-card li::before{content:"✦ ";color:var(--gold)}

/* Stats */
.stats{margin-top:-46px;position:relative;z-index:2}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.stat{padding:26px 22px;border-right:1px solid var(--line)}
.stat:last-child{border:0}
.stat b{display:block;font-family:var(--serif);font-size:1.9rem;color:var(--navy)}
.stat span{color:var(--muted);font-size:.9rem}

/* Sections */
section.block{padding:84px 0}
section.alt{background:var(--cream)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-family:var(--serif);font-size:clamp(1.6rem,3vw,2.3rem);margin-top:6px}
.sec-head p{color:var(--muted);max-width:520px}
.link-more{color:var(--navy);font-weight:600;border-bottom:2px solid var(--gold);padding-bottom:2px}

/* News cards */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-feature{display:grid;grid-template-columns:1.25fr 1fr;gap:26px;margin-bottom:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.thumb{aspect-ratio:16/10;background-size:cover;background-position:center;position:relative;display:flex;align-items:end;padding:16px}
.thumb.ph{background:var(--navy) url(pattern-soft.svg) 0 0/40px 40px}
.thumb.ph.kien-thuc{background-color:#0a3a78}
.thumb.ph.phap-ly{background-color:#1c2b45}
.thumb.ph.thi-truong{background:var(--gold) url(pattern-soft.svg) 0 0/40px 40px}
.thumb.ph::before{content:"";position:absolute;inset:0;background:url(logo-white.svg) center/46% no-repeat;opacity:.9}
.thumb.ph.thi-truong::before{background-image:url(logo.svg)}
.tag{display:inline-block;background:var(--gold);color:var(--navy);position:relative;z-index:1;font-size:.72rem;font-weight:600;padding:4px 10px;border-radius:999px;letter-spacing:.04em}
.card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:1.08rem;line-height:1.4}
.card h3 a:hover{color:var(--navy-2)}
.card p{color:var(--muted);font-size:.93rem}
.meta{font-size:.8rem;color:#8a92a3;display:flex;gap:12px;flex-wrap:wrap}
.card.big .thumb{aspect-ratio:16/9}
.card.big h3{font-size:1.45rem;font-family:var(--serif)}
.side-list{display:flex;flex-direction:column;gap:16px}
.side-item{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:start;padding-bottom:16px;border-bottom:1px solid var(--line)}
.side-item .thumb{aspect-ratio:4/3;border-radius:10px;padding:8px}
.side-item .thumb::before{background-size:70%}
.side-item h4{font-size:.98rem;color:var(--ink);line-height:1.4;margin-bottom:6px}
.side-item h4 a:hover{color:var(--navy)}

/* Filters */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.filters button{border:1px solid var(--line);background:#fff;padding:9px 16px;border-radius:999px;font:inherit;font-size:.9rem;cursor:pointer;color:var(--ink)}
.filters button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.search{width:100%;max-width:340px;padding:11px 16px;border:1px solid var(--line);border-radius:999px;font:inherit}

/* Services / products */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--line)}
.feat .ic{width:46px;height:46px;border-radius:12px;background:var(--cream);display:grid;place-items:center;font-size:1.3rem;margin-bottom:14px}
.feat h3{font-size:1.02rem;margin-bottom:8px}
.feat p{color:var(--muted);font-size:.92rem}
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:s}
.step{background:#fff;border-radius:var(--radius);padding:22px 18px;border-top:3px solid var(--gold);counter-increment:s}
.step::before{content:"0" counter(s);font-family:var(--serif);font-size:1.6rem;color:var(--gold);font-weight:700}
.step h4{color:var(--navy);margin:6px 0}
.step p{font-size:.86rem;color:var(--muted)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.prod h3{font-family:var(--serif);font-size:1.25rem;margin-bottom:10px}
.prod ul{list-style:none;display:flex;flex-direction:column;gap:6px}
.prod li{font-size:.92rem;color:var(--muted);padding-left:16px;position:relative}
.prod li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* About */
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.visual{aspect-ratio:4/3;border-radius:var(--radius);background-color:var(--navy);background-size:cover;background-position:center;position:relative;overflow:hidden}
.visual .badge{position:absolute;left:20px;bottom:20px;background:#fff;border-radius:12px;padding:14px 18px;box-shadow:var(--shadow)}
.visual .badge b{font-family:var(--serif);font-size:1.6rem;color:var(--navy);display:block;line-height:1}
.visual .badge span{font-size:.8rem;color:var(--muted)}
.prose p{margin-bottom:14px;color:#3b4456}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--gold)}
.tl{margin-bottom:26px;position:relative}
.tl::before{content:"";position:absolute;left:-36px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--gold);border:3px solid #fff;box-shadow:0 0 0 2px var(--gold)}
.tl b{font-family:var(--serif);font-size:1.4rem;color:var(--navy)}
.tl p{color:var(--muted)}
.vmv{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.vmv .feat ul{padding-left:18px;color:var(--muted);font-size:.92rem}

/* Article */
.article-head{background:var(--cream);padding:56px 0 40px}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.breadcrumb a:hover{color:var(--navy)}
.article-head h1{font-family:var(--serif);font-size:clamp(1.7rem,3.6vw,2.6rem);max-width:860px;margin:12px 0}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;padding:48px 0 80px}
.article-cover{aspect-ratio:16/8;border-radius:var(--radius);margin-bottom:30px}
.article-body{font-size:1.06rem}
.article-body p{margin-bottom:16px;color:#2f3747}
.article-body h2{font-size:1.35rem;margin:30px 0 12px}
.article-body ul{margin:0 0 18px 22px}
.article-body li{margin-bottom:8px}
.share{display:flex;gap:10px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line);flex-wrap:wrap;align-items:center}
.share a,.share button{border:1px solid var(--line);padding:8px 14px;border-radius:999px;font-size:.85rem;background:#fff;cursor:pointer;font:inherit}
aside .box{border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:22px}
aside .box h3{font-size:1rem;margin-bottom:14px}
aside .cta{background:var(--navy);color:#fff;border:0}
aside .cta h3{color:var(--gold-2)}
aside .cta p{color:#dbe3f3;font-size:.92rem;margin-bottom:14px}

/* CTA band + contact */
.cta-band{background:var(--navy);color:#fff;border-radius:20px;padding:46px 110px 46px 46px;position:relative;overflow:hidden;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-family:var(--serif);font-size:clamp(1.4rem,2.6vw,2rem)}
.cta-band p{color:#dbe3f3}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.contact-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.contact-item .ic{font-size:1.3rem;width:44px;height:44px;border-radius:12px;background:var(--cream);display:grid;place-items:center;flex:none}
.contact-item b{display:block;color:var(--navy)}
.map{border:0;width:100%;height:100%;min-height:360px;border-radius:var(--radius)}

/* Footer */
footer.site{background:var(--navy);position:relative;color:#b9c4dc;padding:60px 0 24px;font-size:.92rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
footer h4{color:#fff;margin-bottom:14px;font-size:.95rem}
footer ul{list-style:none;display:flex;flex-direction:column;gap:8px}
footer a:hover{color:var(--gold-2)}
footer .logo-text b{color:#fff}
footer .copy{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.82rem}
.float-call{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float-call a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;box-shadow:0 6px 18px rgba(0,0,0,.2);font-size:.8rem}
.float-call .zl{background:#0068ff}.float-call .ph{background:var(--gold);font-size:1.3rem}
.empty{color:var(--muted);padding:30px 0}

/* Responsive */
@media (max-width:1024px){
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .article-wrap{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .menu-btn{display:block}
  nav.main{position:absolute;top:70px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch;padding:10px 16px 18px}
  nav.main .btn{margin:8px 0 0;justify-content:center}
  .hero .container{grid-template-columns:1fr;padding:60px 0 80px}
  .stats .grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .news-grid,.prod-grid,.vmv{grid-template-columns:1fr 1fr}
  .news-feature,.two,.contact-grid{grid-template-columns:1fr}
  section.block{padding:60px 0}
}
@media (max-width:560px){
  .news-grid,.prod-grid,.vmv,.feat-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .side-item{grid-template-columns:96px 1fr}
  footer .cols{grid-template-columns:1fr}
  .cta-band{padding:30px 22px}
  .topbar .hide-sm{display:none}
  .stat b{font-size:1.5rem}
}
.side-item .tag{display:none}

/* Brand identity additions */
.logo img{height:46px;width:auto}
footer .logo img{height:52px}
.cta-band::after{content:"";position:absolute;top:0;right:0;bottom:0;width:64px;background:url(pattern-gold.svg) 0 0/32px 32px}
footer.site::before{content:"";position:absolute;left:0;right:0;top:0;height:28px;background:url(pattern-gold.svg) 0 0/28px 28px;opacity:.85}
footer.site{padding-top:84px}
.visual.photo{aspect-ratio:4/5;background-size:cover;background-position:center;max-height:560px}
.step{border-top-color:var(--gold)}
.stat b{color:var(--navy)}
.eyebrow{color:#b88f45}
.card.big h3{font-weight:700}
h1,h2,h3{letter-spacing:-.01em}
.sec-head h2,.hero h1,.article-head h1{font-weight:700}
.float-call .ph{color:var(--navy)}
@media (max-width:860px){.hero::before{width:36px}.cta-band{padding-right:80px}}
@media (max-width:560px){.hero::before{width:24px;background-size:24px 24px}.cta-band::after{width:28px;background-size:28px 28px}.cta-band{padding:30px 48px 30px 22px}.logo img{height:38px}}
@media (max-width:860px){.hero .container{width:calc(100% - 68px);margin-left:16px}}

/* ===== v3: cấu trúc mới (mega menu, hub, landing sản phẩm) ===== */
header.site .container{gap:18px}
nav.main{margin-left:auto}
nav.main a{padding:10px 11px;font-size:.92rem}
.head-call{display:flex;flex-direction:column;line-height:1.15;padding-left:16px;border-left:1px solid var(--line)}
.head-call span{font-size:.72rem;color:var(--muted)}
.head-call b{color:var(--navy);font-size:1.12rem}
.has-mega{position:static}
header.site{position:sticky}
header.site .container{position:relative}
.mega{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border:1px solid var(--line);border-top:3px solid var(--gold);box-shadow:0 18px 40px rgba(0,38,83,.12);border-radius:0 0 14px 14px;padding:24px 26px 16px;z-index:80}
.has-mega:hover .mega,.has-mega:focus-within .mega{display:block}
.mega-inner{display:grid;grid-template-columns:repeat(5,1fr);gap:18px 24px}
.mega h5{font-size:.86rem;color:var(--navy);margin-bottom:6px}
.mega a{display:block;padding:4px 0!important;font-size:.86rem!important;color:var(--muted)!important;background:none!important}
.mega a:hover{color:var(--navy)!important}
.mega-foot{display:flex;justify-content:space-between;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.mega-foot a{color:var(--navy)!important;font-weight:600}
.page-head{background:var(--cream);padding:46px 0 40px;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;top:0;right:0;bottom:0;width:48px;background:url(pattern-soft.svg) 0 0/24px 24px}
.page-head h1{font-size:clamp(1.7rem,3.6vw,2.6rem);margin:10px 0 12px;max-width:880px}
.page-head p{color:#3b4456;max-width:760px}
.page-head .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.herbal-head,.prod-head{background:linear-gradient(180deg,#f3efe3,#f8f5ee)}
.btn-line.dark{color:var(--navy)}
.btn-line.dark:hover{background:rgba(0,38,83,.06)}
.btn.full{width:100%;justify-content:center;margin-top:10px}
.leaf{display:inline-block;background:#e7f0e1;color:#3d6b2a;font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:999px}
.leaf.big{font-size:.85rem;padding:6px 14px}
.sec-head.center{justify-content:center;text-align:center}
.sec-title{text-align:center;margin-bottom:26px;font-size:1.5rem}
.sub-h{margin:44px 0 18px;font-size:1.25rem}
.h2{font-size:1.7rem;margin-bottom:16px}
section.block.tight{padding:34px 0}
/* hero mới */
.hero-photo{position:relative;border-radius:16px;overflow:hidden;border:1px solid rgba(210,172,103,.5);box-shadow:0 20px 50px rgba(0,0,0,.25)}
.hero-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-badge{position:absolute;left:16px;bottom:16px;background:#fff;border-radius:12px;padding:12px 16px}
.hero-badge b{display:block;color:var(--navy)}
.hero-badge span{font-size:.78rem;color:var(--muted)}
/* group tiles */
.group-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gtile{display:grid;grid-template-columns:52px 1fr;grid-template-rows:auto auto auto;column-gap:14px;padding:20px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.2s}
.gtile:hover{border-color:var(--gold);box-shadow:var(--shadow);transform:translateY(-2px)}
.gtile span{grid-row:1/4;width:52px;height:52px;border-radius:12px;background:var(--cream);display:grid;place-items:center;font-size:1.5rem}
.gtile b{color:var(--navy)}
.gtile small{color:var(--muted);font-size:.85rem}
.gtile em{font-style:normal;font-size:.75rem;color:#b88f45;font-weight:600;margin-top:4px}
.gtile.herbal{background:linear-gradient(135deg,#fff,#f6f1e4)}
/* product cards */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pcard{display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:14px;background:#fff;border:1px solid var(--line);position:relative;overflow:hidden;transition:.2s;min-height:190px}
.pcard::before{content:"";position:absolute;right:-18px;top:-18px;width:90px;height:90px;background:url(pattern-soft.svg) 0 0/30px 30px;opacity:.7}
.pcard:hover{border-color:var(--gold);box-shadow:var(--shadow);transform:translateY(-3px)}
.pcard-top{display:flex;gap:8px;align-items:center;position:relative}
.pgroup{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:#b88f45;font-weight:600}
.pcard h3{font-size:1.02rem;line-height:1.4;position:relative}
.pcard p{font-size:.85rem;color:var(--muted);flex:1}
.pcard .more{font-size:.85rem;color:var(--navy);font-weight:600}
.pcard.herbal{border-left:3px solid #6f9a4f}
.herbal-sec{background:linear-gradient(180deg,#fff,#f7f3ea)}
/* USP */
.usp{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.usp>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;border-top:3px solid var(--gold)}
.usp span{font-size:1.5rem}
.usp b{display:block;color:var(--navy);margin:6px 0 4px}
.usp p{font-size:.86rem;color:var(--muted)}
/* photos */
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.photo-grid.six{grid-template-columns:repeat(3,1fr)}
.photo-grid.two-col{grid-template-columns:1fr 1fr}
.photo-grid figure{margin:0;border-radius:12px;overflow:hidden;background:var(--cream);position:relative}
.photo-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:.4s}
.photo-grid figure:hover img{transform:scale(1.04)}
.photo-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 12px 9px;font-size:.8rem;color:#fff;background:linear-gradient(transparent,rgba(0,20,45,.75))}
.cert-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cert-strip figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.cert-strip img{width:100%;aspect-ratio:3/4;object-fit:contain;background:#f6f3ec;border-radius:8px}
.cert-strip figcaption{font-size:.8rem;color:var(--muted);margin-top:8px}
img.round{border-radius:14px;margin-top:20px;width:100%}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.chips span{background:#eef3e8;color:#36602a;border:1px solid #d7e5cc;padding:6px 12px;border-radius:999px;font-size:.86rem}
.note{font-size:.82rem;color:var(--muted);margin:8px 0 18px}
/* product landing */
.prod-wrap{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:48px;padding:20px 0 70px}
.prod-body h2{font-size:1.35rem;margin:34px 0 12px}
.prod-body h2:first-child{margin-top:0}
.prod-body p{color:#2f3747;margin-bottom:12px}
.ticks{list-style:none;display:grid;gap:8px;margin-bottom:10px}
.ticks li{padding-left:28px;position:relative;color:#2f3747}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:var(--gold);color:var(--navy);font-size:.75rem;display:grid;place-items:center;font-weight:700}
.prod-body .steps{grid-template-columns:repeat(3,1fr)}
.faq details{border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:600;color:var(--navy)}
.faq details p{margin:10px 0 0;color:#3b4456}
aside .sticky{position:sticky;top:90px}
.aside-img{border-radius:8px;margin-bottom:8px}
.mini-links a{display:block;padding:7px 0;border-bottom:1px dashed var(--line);font-size:.9rem;color:var(--navy)}
.lede{font-size:1.12rem;font-weight:500;color:var(--navy);margin-bottom:22px}
.mobile-bar{display:none}
@media (max-width:1180px){.head-call{display:none}.mega-inner{grid-template-columns:repeat(3,1fr)}}
@media (max-width:1024px){.pgrid{grid-template-columns:repeat(3,1fr)}.usp{grid-template-columns:1fr 1fr}.prod-wrap{grid-template-columns:1fr}.cert-strip{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){
  .mega{display:none!important}
  .group-tiles{grid-template-columns:1fr 1fr}
  .pgrid,.photo-grid{grid-template-columns:1fr 1fr}
  .hero-photo{display:block}
  .mobile-bar{display:grid;grid-template-columns:1fr 1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--navy);box-shadow:0 -4px 16px rgba(0,0,0,.15)}
  .mobile-bar a{color:#fff;text-align:center;padding:13px 4px;font-weight:600;font-size:.9rem;border-right:1px solid rgba(255,255,255,.15)}
  .mobile-bar a:last-child{background:var(--gold);color:var(--navy);border:0}
  .float-call{display:none}
  body{padding-bottom:50px}
  .page-head::after{width:24px;background-size:24px 24px}
}
@media (max-width:560px){
  .group-tiles,.pgrid,.usp,.photo-grid.six{grid-template-columns:1fr}
  .photo-grid{grid-template-columns:1fr 1fr}
  .prod-body .steps{grid-template-columns:1fr 1fr}
  .gtile{padding:16px}
}
/* v4: ảnh bài viết & sản phẩm */
.post-fig{margin:22px 0;border-radius:12px;overflow:hidden;background:var(--cream)}
.post-fig img{width:100%;max-height:520px;object-fit:cover}
.post-fig figcaption{font-size:.85rem;color:var(--muted);padding:10px 14px;font-style:italic}
.article-cover{aspect-ratio:16/8;border-radius:14px;margin-bottom:28px;background-size:cover!important}
.pcard{padding:0}
.pcard-img{aspect-ratio:16/10;overflow:hidden;background:var(--cream)}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.pcard:hover .pcard-img img{transform:scale(1.05)}
.pcard-top,.pcard h3,.pcard p,.pcard .more{margin-left:18px;margin-right:18px}
.pcard .more{margin-bottom:18px}
.pcard::before{z-index:1;opacity:.5}
.prod-head-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.prod-head-img img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;border:1px solid rgba(210,172,103,.5);box-shadow:var(--shadow)}
@media (max-width:860px){.prod-head-grid{grid-template-columns:1fr}.prod-head-img{display:none}}
.prod-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:6px}
.prod-gallery img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.pcard-img{aspect-ratio:1}
.prod-head-img img{aspect-ratio:1}
@media (max-width:560px){.prod-gallery{grid-template-columns:1fr 1fr}}
.card .thumb{aspect-ratio:1;background-position:center}.card.big .thumb{aspect-ratio:4/3;background-position:center 30%}.side-item .thumb{aspect-ratio:1}.article-cover{aspect-ratio:1;max-width:620px;margin-left:auto;margin-right:auto}