:root{
  /* Layout: website nhiều trang, ảnh đơn thật làm chủ đạo; pastel lấy từ màu các đơn đã in (lavender tag Láttedi, xanh sage, vàng bơ, hồng phấn) */
  --bg:#FBFAF8;
  --ink:#2B2A33;
  --muted:#5C5A68;
  --line:#E9E6EE;
  --lav:#E9E3F8;
  --lav-deep:#6A58B0;
  --sage:#E3EEDF;
  --butter:#FBF2D3;
  --blush:#F9E4E4;
  --white:#FFFFFF;
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:14px;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.2;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(32px,5vw,52px);font-weight:800}
h2{font-size:clamp(24px,3.4vw,34px);font-weight:700}
h3{font-size:18px;font-weight:700}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.sec{padding:64px 0}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.kicker{font-size:13px;font-weight:700;color:var(--lav-deep);letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px;display:block}
.lead{color:var(--muted);max-width:60ch;margin-top:12px;font-size:17px}
:focus-visible{outline:2px solid var(--lav-deep);outline-offset:3px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* topbar + nav */
.topbar{background:var(--lav-deep);color:#fff;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.topbar a{text-decoration:none;font-weight:600}
header{position:sticky;top:0;z-index:30;background:rgba(251,250,248,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1.1}
.brand b{font-size:19px;font-weight:800}
.brand small{font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.menu{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.menu a{display:block;text-decoration:none;font-weight:600;font-size:15px;padding:8px 12px;border-radius:999px;color:var(--muted)}
.menu a:hover{color:var(--ink);background:var(--lav)}
.menu a.on{color:var(--ink);background:var(--lav)}
.nav .btn{margin-left:auto}
.burger{display:none;margin-left:8px;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font:600 14px var(--font);cursor:pointer;color:var(--ink)}
@media (max-width:900px){
  .menu{display:none;position:absolute;left:0;right:0;top:68px;background:var(--bg);flex-direction:column;padding:10px 20px 18px;border-bottom:1px solid var(--line)}
  .menu.open{display:flex}
  .burger{display:block}
  .nav .btn{padding:9px 14px;font-size:14px}
}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:700 15px var(--font);padding:12px 22px;border-radius:999px;border:1.5px solid var(--lav-deep);background:var(--lav-deep);color:#fff;text-decoration:none;cursor:pointer;transition:background .15s,color .15s}
.btn:hover{background:#54449A;border-color:#54449A}
.btn.light{background:transparent;color:var(--ink)}
.btn.light:hover{background:var(--white);color:var(--ink);border-color:var(--ink)}
.btn.fb{background:#1877F2;border-color:#1877F2;color:#fff}.btn.fb:hover{background:#1466d6}
.btn.zalo{background:#0068FF;border-color:#0068FF}
.btn.zalo:hover{background:#0054cc}
.btn.sm{padding:9px 16px;font-size:14px}
.link{font-weight:700;text-decoration:none;color:var(--lav-deep)}
.link:hover{text-decoration:underline}

/* pages */
[data-page]{display:none}
[data-page].show{display:block}

/* hero */
.hero{padding:48px 0 56px}
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.hero .lead{font-size:18px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:28px;font-size:14px;color:var(--muted);font-weight:600}
.hero-points span::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lav-deep);margin-right:8px;vertical-align:1px}
.collage{display:grid;grid-template-columns:1.3fr 1fr;grid-template-rows:1fr 1fr;gap:12px;height:520px}
.collage figure{margin:0;border-radius:var(--r);overflow:hidden;position:relative;background:var(--lav)}
.collage figure:first-child{grid-row:1/3}
.collage img{width:100%;height:100%;object-fit:cover}
.collage figcaption{position:absolute;left:10px;bottom:10px;background:rgba(255,255,255,.92);font-size:12px;font-weight:600;padding:5px 10px;border-radius:999px}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.collage{height:420px}}
@media (max-width:480px){.collage{height:340px}}

/* banner: vuốt được trên điện thoại (scroll-snap), tự chuyển chỉ trên máy tính */
.banner{position:relative;background:var(--lav)}
.b-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}
.b-track::-webkit-scrollbar{display:none}
.slide{flex:0 0 100%;position:relative;scroll-snap-align:start;scroll-snap-stop:always}
.slide img{width:100%;height:clamp(420px,40vw,560px);object-fit:cover}
.slide .wrap{position:absolute;inset:0;display:flex;align-items:center}
.slide.right .wrap{justify-content:flex-end}
.b-card{background:rgba(251,250,248,.95);border-radius:20px;padding:32px;max-width:520px;box-shadow:0 16px 40px rgba(43,42,51,.12)}
.b-card h1,.b-card h2{font-size:clamp(28px,3.6vw,44px);font-weight:800}
.b-card .lead{font-size:17px}
.b-nav{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;align-items:center;gap:6px}
.b-arrow{width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.95);font:700 22px var(--font);color:var(--lav-deep);cursor:pointer;line-height:1;box-shadow:0 4px 12px rgba(43,42,51,.12)}
.dots{display:flex}
.dots button{width:28px;height:44px;border:0;padding:0;background:none;cursor:pointer;display:grid;place-items:center}
.dots button::before{content:"";width:10px;height:10px;border-radius:999px;background:rgba(255,255,255,.8);transition:width .25s,background .25s}
.dots button[aria-current="true"]::before{background:var(--lav-deep);width:24px}
@media (max-width:760px){
  .slide img{height:auto;aspect-ratio:4/3}
  .slide .wrap{position:static;display:block}
  .b-card{max-width:none;margin:-36px 0 0;position:relative;padding:22px;border-radius:16px}
  .b-nav{position:static;padding:6px 0 10px}
  .b-arrow{display:none}
  .dots button::before{background:#CFC6EA}
}

/* strip */
.strip{background:var(--white);border-block:1px solid var(--line)}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:24px;padding-bottom:24px}
.strip div b{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums}
.strip div span{font-size:14px;color:var(--muted)}
@media (max-width:760px){.strip .wrap{grid-template-columns:1fr 1fr}}

/* category cards */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.cat:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(43,42,51,.08)}
.cat .ph{aspect-ratio:4/3;overflow:hidden}
.cat .ph img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.cat:hover .ph img{transform:scale(1.04)}
.cat .tx{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.cat .tx p{color:var(--muted);font-size:15px}
.cat .from{margin-top:auto;padding-top:8px;font-size:14px;font-weight:700}
.cat .from b{color:var(--lav-deep)}
.cat.wide{grid-column:1/-1;display:grid;grid-template-columns:1.1fr 1fr}
.cat.wide .ph{aspect-ratio:4/3}
.cat.wide .ph img{width:100%;height:100%;object-fit:cover}
.cat.wide .tx{justify-content:center;padding:28px 32px}
.cat .new{align-self:flex-start;background:#F6C9D3;color:#8A2E4A;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;letter-spacing:.02em}
@media (max-width:560px){.cat.wide{grid-template-columns:1fr}.cat.wide .tx{padding:18px 20px 20px}}
@media (max-width:900px){.cats{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.cats{grid-template-columns:1fr}}

/* quote teaser */
.teaser{background:var(--lav);border-radius:20px;padding:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.teaser ol{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.teaser li{background:var(--white);border-radius:12px;padding:12px 16px;display:flex;gap:12px;align-items:center;font-weight:600}
.teaser li b{width:28px;height:28px;border-radius:50%;background:var(--lav-deep);color:#fff;display:grid;place-items:center;font-size:13px;flex:none}
@media (max-width:820px){.teaser{grid-template-columns:1fr;padding:28px}}

/* photo grid */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.pgrid button{all:unset;cursor:zoom-in;border-radius:12px;overflow:hidden;position:relative;aspect-ratio:1;background:var(--lav)}
.pgrid button:focus-visible{outline:2px solid var(--lav-deep);outline-offset:2px}
.pgrid img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.pgrid button:hover img{transform:scale(1.04)}
.pgrid .cap{position:absolute;left:8px;right:8px;bottom:8px;background:rgba(255,255,255,.93);border-radius:8px;padding:6px 10px;font-size:12px;font-weight:600;line-height:1.35}
@media (max-width:820px){.pgrid{grid-template-columns:1fr 1fr}}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step figure{margin:0 0 14px;border-radius:var(--r);overflow:hidden;aspect-ratio:4/5}
.step img{width:100%;height:100%;object-fit:cover}
.step .n{font-size:13px;font-weight:800;color:var(--lav-deep)}
.step h3{margin:2px 0 6px}
.step p{color:var(--muted);font-size:15px}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}}

/* tet */
.tet{background:var(--blush);border-radius:20px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr}
.tet .tx{padding:40px}
.tet img{width:100%;height:100%;object-fit:cover;min-height:280px}
.tl{display:grid;gap:8px;margin-top:20px}
.tl div{display:flex;gap:14px;font-size:15px}
.tl b{min-width:100px}
@media (max-width:820px){.tet{grid-template-columns:1fr}.tet .tx{padding:28px}}

/* review */
.review{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;background:var(--sage);border-radius:20px;padding:36px}
.review .chat{margin-top:20px;border-radius:12px;border:1px solid var(--line);max-width:440px;width:100%}
.review-pics{display:grid;max-width:420px;justify-self:center;width:100%}
.review-pics img{border-radius:12px;aspect-ratio:4/5;object-fit:cover;width:100%}
@media (max-width:820px){.review{grid-template-columns:1fr;padding:24px}}

/* cta band */
.cta{background:var(--sage);border-radius:20px;padding:40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}

/* page header */
.phead{padding:44px 0 8px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:10px}
.crumb a{text-decoration:none}

/* product rows */
.prod{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;padding:36px 0;border-bottom:1px solid var(--line)}
.prod:last-child{border-bottom:0}
.prod:nth-of-type(even) .pics{order:2}
.pics{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pics img{border-radius:12px;aspect-ratio:4/5;object-fit:cover;width:100%}
.pics.one{grid-template-columns:1fr}
.pics.one img{aspect-ratio:4/3}
.pics.ngang img{aspect-ratio:4/3}
.pics svg{width:100%;height:auto;display:block;border-radius:12px}
.truot-guide{padding:8px 0 36px;border-bottom:1px solid var(--line)}
.truot-guide h3{font-size:20px;margin-bottom:14px}
.tg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.tg-grid a{display:block;cursor:zoom-in}
.tg-grid img{width:100%;height:auto;border-radius:12px;box-shadow:0 8px 20px rgba(43,42,51,.08)}
@media (max-width:820px){.tg-grid{grid-template-columns:1fr}}
.ptable{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:4px 0 8px;font-size:15px;background:var(--white)}
.ptable .pr{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:8px;padding:9px 14px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.ptable .pr:first-child{border-top:0}
.ptable .pr span:not(:first-child){text-align:right;font-weight:700}
.ptable .pr.h{background:var(--lav);font-size:13px;font-weight:700;color:var(--ink)}
.ptable .pr .span2{grid-column:2/4;font-weight:500 !important;color:var(--muted)}
.prod .tags{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 14px}
.tag{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--lav)}
.tag.s{background:var(--sage)}.tag.b{background:var(--butter)}.tag.p{background:var(--blush)}
.spec{margin:14px 0 18px;display:grid;grid-template-columns:auto 1fr;gap:6px 18px;font-size:15px}
.spec dt{color:var(--muted)}
.spec dd{margin:0;font-weight:600}
.prod .act{display:flex;flex-wrap:wrap;gap:10px}
.textcard{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:28px}
@media (max-width:820px){.prod{grid-template-columns:1fr;gap:20px}.prod:nth-of-type(even) .pics{order:0}}

/* calculator */
.calc{display:grid;grid-template-columns:1.3fr .9fr;gap:24px;align-items:start}
.panel{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:26px}
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:24px;background:var(--bg);padding:5px;border-radius:999px;border:1px solid var(--line);width:fit-content;max-width:100%}
.tab{font:600 14px var(--font);padding:9px 16px;border:0;border-radius:999px;background:transparent;cursor:pointer;color:var(--muted)}
.tab[aria-selected="true"]{background:var(--lav-deep);color:#fff}
.field{margin-bottom:22px}
.field > label,.field > .lbl{display:block;font-weight:700;margin-bottom:10px;font-size:15px}
.hint{font-weight:500;color:var(--muted);font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.chip span{display:inline-block;padding:9px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--white);font-weight:600;font-size:14px;cursor:pointer;line-height:1.35}
.chip span:hover{border-color:#CFC8DE}
.chip input:checked + span{border-color:var(--lav-deep);background:var(--lav)}
.chip input:focus-visible + span{outline:2px solid var(--lav-deep);outline-offset:2px}
.chip small{display:block;font-weight:500;font-size:11.5px;color:var(--muted)}
.qty{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.qty input{width:140px;font:700 19px var(--font);padding:10px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font-variant-numeric:tabular-nums}
.qty input:focus{border-color:var(--lav-deep);outline:none}
.quick{font:600 13px var(--font);padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:var(--white);cursor:pointer;color:var(--ink)}
.quick:hover{background:var(--lav)}
.toggle{display:flex;gap:10px;align-items:flex-start;font-weight:600;font-size:15px;cursor:pointer;margin-top:10px}
.toggle input{width:18px;height:18px;accent-color:var(--lav-deep);margin-top:3px;flex:none}
.toggle em{font-style:normal;color:var(--muted);font-weight:500}
.result{position:sticky;top:90px;background:var(--lav)}
.result .kicker{margin-bottom:4px}
.total{font-size:clamp(30px,4vw,40px);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.15;margin:2px 0}
.total small{font-size:.5em;font-weight:700;color:var(--muted)}
.per{font-weight:600;color:var(--muted)}
.rows{margin:16px 0;background:var(--white);border-radius:12px;padding:4px 14px}
.row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px;font-variant-numeric:tabular-nums}
.row:last-child{border-bottom:0}
.row span:first-child{color:var(--muted)}
.row span:last-child{font-weight:700;text-align:right}
.note{font-size:13.5px;line-height:1.5;color:var(--muted)}
.note.warn{background:var(--butter);color:var(--ink);padding:10px 12px;border-radius:10px;font-weight:600}
.result .actions{display:grid;gap:10px;margin-top:16px}
.copied{font-size:13px;min-height:20px;margin-top:4px;font-weight:600;color:var(--lav-deep)}
@media (max-width:900px){.calc{grid-template-columns:1fr}.result{position:static}}

/* filters */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.filters button{font:600 14px var(--font);padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--white);cursor:pointer;color:var(--ink)}
.filters button[aria-pressed="true"]{background:var(--lav-deep);color:#fff;border-color:var(--lav-deep)}

/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about img{border-radius:var(--r);aspect-ratio:4/5;object-fit:cover;width:100%}
.layers{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:20px;padding:36px}
.layer-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
.layer-list li{display:flex;gap:14px;align-items:flex-start}
.layer-list li > b{width:26px;height:26px;border-radius:50%;background:var(--lav-deep);color:#fff;display:grid;place-items:center;font-size:13px;flex:none;margin-top:1px}
.layer-list h3{font-size:16px}
.layer-list p{color:var(--muted);font-size:14.5px}
.stack{width:100%;max-width:470px;height:auto;justify-self:center}
.vat{display:grid;grid-template-columns:1fr 1fr;gap:24px;background:var(--butter);border-radius:20px;padding:32px;margin-top:20px}
.vat ul{margin:10px 0 0;padding-left:20px}
.vat li{margin:4px 0}
@media (max-width:820px){.about,.layers,.vat{grid-template-columns:1fr}.layers{padding:24px}.vat{padding:24px}}

/* table */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--white)}
table{border-collapse:collapse;width:100%;min-width:560px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
th{background:var(--bg);font-size:14px}
tr:last-child td{border-bottom:0}

/* faq */
.faq{display:grid;gap:10px;max-width:820px}
details{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:2px 18px}
summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:20px;line-height:1;color:var(--lav-deep)}
details[open] summary::after{content:"−"}
details p{padding-bottom:16px;color:var(--muted)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (min-width:1000px){.contact-grid{grid-template-columns:repeat(3,1fr)}}
.ccard{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:10px}
.ccard .big{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}
.ccard p{color:var(--muted)}
.addr-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:4px}
.addr-list>div{background:var(--bg);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.addr-list b{color:var(--ink)}
@media (max-width:760px){.addr-list{grid-template-columns:1fr}}
.tpl{background:var(--bg);border:1px dashed #CFC8DE;border-radius:12px;padding:14px 16px;font-size:15px;white-space:pre-line}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr}}

/* footer */
footer{margin-top:40px;background:var(--lav);color:var(--muted);font-size:14px}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding-top:44px;padding-bottom:32px}
footer b{color:var(--ink);display:block;margin-bottom:10px}
footer a{text-decoration:none;display:block;margin:4px 0}
footer a:hover{color:var(--lav-deep)}
footer .fco{display:block;margin-top:8px;line-height:1.5}
footer .copy{border-top:1px solid #D6CCF0;padding:16px 20px;font-size:13px;display:block}
@media (max-width:760px){footer .wrap{grid-template-columns:1fr}}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(30,29,36,.86);display:none;place-items:center;z-index:50;padding:20px}
.lb.open{display:grid}
.lb figure{margin:0;max-width:min(92vw,900px)}
.lb img{max-height:80vh;border-radius:12px;margin:0 auto}
.lb figcaption{color:#fff;text-align:center;margin-top:10px;font-weight:600}
.lb button{position:absolute;top:16px;right:16px;background:#fff;border:0;border-radius:999px;padding:8px 16px;font:700 14px var(--font);cursor:pointer}
/* phone tweaks */
@media (max-width:560px){
  .topbar .wrap > span:first-child{display:none}
  .topbar .wrap{justify-content:center}
  .nav{gap:10px}
  .brand b{font-size:17px}
  .nav .btn{white-space:nowrap;padding:8px 14px}
  .tabs{display:grid;grid-template-columns:1fr 1fr;border-radius:16px;width:100%}
  .tab{text-align:center;font-size:14px;padding:10px 8px;border-radius:12px}
  .tbl table{min-width:0}
  th,td{padding:12px 10px;font-size:14px}
  .sec{padding:48px 0}
  .teaser,.tet .tx,.cta,.vat,.review,.layers{padding:22px}
  .panel{padding:20px}
  .hero-cta .btn{flex:1 1 auto}
}


/* ===== Mobile-first polish ===== */
html{-webkit-text-size-adjust:100%}
body{-webkit-tap-highlight-color:transparent}
.topbar{padding-top:env(safe-area-inset-top)}
header.scrolled{box-shadow:0 6px 20px rgba(43,42,51,.07)}
[data-page].show{animation:pagein .28s ease}
@keyframes pagein{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.btn{min-height:44px}
.btn:active,.chip span:active,.quick:active,.tab:active,.tabbar a:active{transform:scale(.97)}
.chip span{min-height:44px;display:inline-flex;flex-direction:column;justify-content:center}
.quick{min-height:40px;padding:8px 14px}
.menu a{min-height:44px;display:flex;align-items:center}
.filters button{min-height:44px}
.tab{min-height:44px}
/* hover chỉ áp dụng cho chuột, tránh "dính hover" trên màn hình cảm ứng */
@media (hover:none){
  .cat:hover{transform:none;box-shadow:none}
  .cat:hover .ph img,.pgrid button:hover img{transform:none}
  .btn:hover{background:var(--lav-deep);border-color:var(--lav-deep)}
  .btn.light:hover{background:transparent}
  .btn.zalo:hover{background:#0068FF}
}
/* bộ đếm số lượng */
.stepper{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:14px;background:var(--bg);overflow:hidden}
.stepper button{width:48px;height:48px;border:0;background:transparent;font:600 22px var(--font);color:var(--lav-deep);cursor:pointer}
.stepper button:active{background:var(--lav)}
.stepper input{border:0!important;border-radius:0!important;background:transparent!important;width:110px!important;text-align:center;padding:10px 4px!important}
.total.flash{animation:flash .45s ease}
@keyframes flash{0%{color:var(--lav-deep);transform:scale(1.04)}100%{transform:none}}
/* thanh điều hướng dưới (điện thoại) */
.tabbar,.pricebar{display:none}
.fab{position:fixed;right:20px;bottom:24px;z-index:40;display:flex;align-items:center;gap:8px;background:#0068FF;color:#fff;text-decoration:none;font-weight:700;padding:12px 18px;border-radius:999px;box-shadow:0 10px 24px rgba(0,104,255,.3)}
.fab:hover{background:#0054cc}
@media (max-width:760px){
  body{padding-bottom:calc(68px + env(safe-area-inset-bottom))}
  .fab{display:none}
  .nav > .btn{display:none}
  .burger{margin-left:auto;min-height:44px}
  .tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:45;background:rgba(251,250,248,.97);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
  .tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;font-size:11px;font-weight:600;color:var(--muted);min-height:52px;justify-content:center;border-radius:12px}
  .tabbar a.on{color:var(--lav-deep)}
  .tabbar a.main svg{background:var(--lav-deep);color:#fff;border-radius:12px;padding:6px;width:34px;height:34px;margin-top:-4px}
  .pricebar{position:fixed;left:10px;right:10px;bottom:calc(74px + env(safe-area-inset-bottom));z-index:44;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:10px 10px 10px 16px;box-shadow:0 10px 30px rgba(43,42,51,.14);align-items:center;justify-content:space-between;gap:10px}
  .pricebar:not([hidden]){display:flex}
  .pricebar small{display:block;font-size:12px;color:var(--muted)}
  .pricebar b{font-size:20px;font-variant-numeric:tabular-nums}
  .lb button{top:calc(16px + env(safe-area-inset-top))}
}
/* máy tính bảng: bộ tính giá 2 cột, lưới ảnh 3 cột */
@media (min-width:761px) and (max-width:900px){
  .calc{grid-template-columns:1.15fr .85fr}
  .result{position:sticky;top:84px}
}
@media (min-width:601px) and (max-width:1024px){.pgrid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:600px){.pgrid{grid-template-columns:1fr 1fr;gap:8px}}

.trust{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:6px;font-size:13.5px;font-weight:600}
.trust li::before{content:"✓";color:var(--lav-deep);font-weight:800;margin-right:8px}
.toast{position:fixed;left:50%;bottom:calc(150px + env(safe-area-inset-bottom));transform:translate(-50%,20px);opacity:0;pointer-events:none;z-index:60;background:var(--ink);color:#fff;padding:12px 18px;border-radius:14px;font-weight:600;font-size:14.5px;max-width:calc(100% - 32px);text-align:center;transition:opacity .25s,transform .25s;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media (min-width:761px){.toast{bottom:40px}}
.lb figure{display:flex;flex-direction:column;align-items:center}
.lb-cta{margin-top:12px;background:#fff!important;color:var(--lav-deep)!important;border-color:#fff!important}
.quick small{display:block;font-size:11px;font-weight:500;color:var(--lav-deep);line-height:1.2}
@media (max-width:760px){
  .filters{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin:0 -20px 18px;padding:0 20px}
  .filters::-webkit-scrollbar{display:none}
  .filters button{flex:none}
}

/* ===== Hiệu ứng kiểu theme (Flatsome-like) ===== */
.js .reveal,.js [data-stagger] > *{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in,.js [data-stagger].in > *{opacity:1;transform:none}
[data-stagger] > *:nth-child(2){transition-delay:.08s}[data-stagger] > *:nth-child(3){transition-delay:.16s}[data-stagger] > *:nth-child(4){transition-delay:.24s}[data-stagger] > *:nth-child(5){transition-delay:.32s}[data-stagger] > *:nth-child(6){transition-delay:.4s}
@media (prefers-reduced-motion:reduce){.js .reveal,.js [data-stagger] > *{opacity:1;transform:none}}
/* banner: ảnh zoom chậm, khung chữ trượt vào */
@media (hover:hover){
  .slide img{transition:transform 8s ease-out}
  .slide.active img{transform:scale(1.06)}
}
.slide .b-card{transition:opacity .6s .15s,transform .6s .15s}
.slide:not(.active) .b-card{opacity:0;transform:translateY(18px)}
/* header thu gọn khi cuộn */
.nav{transition:height .25s}
header.scrolled .nav{height:58px}
/* thẻ sản phẩm: lớp phủ + nút khi rê chuột */
.cat .ph{position:relative}
.cat .ph::after{content:"Xem chi tiết →";position:absolute;left:50%;bottom:16px;transform:translate(-50%,12px);opacity:0;background:rgba(255,255,255,.95);color:var(--lav-deep);font-weight:700;font-size:14px;padding:9px 16px;border-radius:999px;transition:.3s;white-space:nowrap}
@media (hover:hover){.cat:hover .ph::after{opacity:1;transform:translate(-50%,0)}}
.cat .ph img{transition:transform .6s cubic-bezier(.2,.7,.2,1)}
@media (hover:hover){.cat:hover .ph img{transform:scale(1.07)}}
.pgrid button::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(43,42,51,.35),transparent 50%);opacity:0;transition:.3s}
@media (hover:hover){.pgrid button:hover::after{opacity:1}}
.pgrid .cap{z-index:1}
/* tiêu đề mục có gạch nhấn */
.sec-head h2::after,.phead h1::after{content:"";display:block;width:56px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--lav-deep),#B9A6EA);margin-top:12px}
/* ảnh sản phẩm: khung đồng bộ */
.pics img,.about img,.step figure,.cat .ph{background:var(--lav)}
.pics img{box-shadow:0 10px 26px rgba(43,42,51,.08)}
/* nút liên hệ nổi (máy tính, máy tính bảng) */
.fabs{position:fixed;right:20px;bottom:24px;z-index:40;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.fabs .fab{position:static;display:flex;align-items:center;gap:10px;height:50px;padding:0 20px 0 7px;border-radius:999px;color:#fff;text-decoration:none;font-weight:700;font-size:14.5px;white-space:nowrap;box-shadow:0 10px 24px rgba(43,42,51,.18);transition:transform .2s,box-shadow .2s}
.fabs .fab svg{flex:none;width:36px;height:36px;padding:7px;border-radius:50%;background:rgba(255,255,255,.2)}
.fabs .fab span{line-height:1.15}
@media (min-width:1101px){.fabs .fab{min-width:196px}}
.fabs .fab span small{display:block;font-size:11.5px;font-weight:500;opacity:.9}
.fabs .fab:hover{transform:translateX(-4px);box-shadow:0 14px 28px rgba(43,42,51,.24)}
.sheet-btn svg{flex:none;width:40px;height:40px;padding:9px;border-radius:50%;background:rgba(255,255,255,.2)}
.fabs .f-call,.fabs .f-call:hover{background:#22A06B}.fabs .f-zalo,.fabs .f-zalo:hover{background:#0068FF}.fabs .f-threads,.fabs .f-threads:hover{background:#1C1B22}.fabs .f-fb,.fabs .f-fb:hover{background:#1877F2}
.f-call svg{animation:ring 2.4s infinite}
@keyframes ring{0%,60%,100%{transform:rotate(0)}65%{transform:rotate(-14deg)}70%{transform:rotate(12deg)}75%{transform:rotate(-8deg)}80%{transform:rotate(0)}}
.totop{position:fixed;left:20px;bottom:24px;z-index:40;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--white);color:var(--lav-deep);display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(10px);transition:.3s;box-shadow:0 6px 18px rgba(43,42,51,.1)}
.totop.show{opacity:1;pointer-events:auto;transform:none}
/* bảng liên hệ trượt lên (điện thoại) */
.sheet-bg{position:fixed;inset:0;background:rgba(30,29,36,.4);z-index:70;opacity:0;pointer-events:none;transition:.25s}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:71;background:var(--white);border-radius:22px 22px 0 0;padding:10px 20px calc(20px + env(safe-area-inset-bottom));transform:translateY(105%);transition:transform .32s cubic-bezier(.2,.8,.2,1);display:grid;gap:10px;max-width:560px;margin:0 auto}
.sheet.open{transform:none}.sheet-bg.open{opacity:1;pointer-events:auto}
.sheet-grip{width:40px;height:5px;border-radius:5px;background:var(--line);margin:0 auto 6px}
.sheet h3{font-size:19px}.sheet p{color:var(--muted);font-size:14.5px;margin-top:-4px}
.sheet-btn{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:16px;text-decoration:none;color:#fff;min-height:60px}
.sheet-btn b{display:block;font-size:16px}.sheet-btn small{opacity:.9;font-size:13px}
.s-call{background:#22A06B}.s-zalo{background:#0068FF}.s-threads{background:#1C1B22}.s-fb{background:#1877F2}
.sheet-close{min-height:48px;border:1px solid var(--line);background:var(--bg);border-radius:14px;font:600 15px var(--font);color:var(--ink);cursor:pointer}
.tabbar button{all:unset;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;font-weight:600;color:#22A06B;min-height:52px;justify-content:center;border-radius:12px;cursor:pointer}
@media (max-width:760px){.fabs{display:none}.totop{left:auto;right:14px;bottom:calc(84px + env(safe-area-inset-bottom))}}
body.on-baogia .totop{display:none}
@media (min-width:761px) and (max-width:1100px){.fabs .fab span small{display:none}.fabs .fab{height:46px}}
.seo-text h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:14px}
.seo-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;color:var(--muted);font-size:15.5px}
.seo-cols a{color:var(--lav-deep);font-weight:600;text-decoration:none;border-bottom:1px solid #D6CCF0}
@media (max-width:760px){.seo-cols{grid-template-columns:1fr}}

/* ===== Ngành hàng ===== */
.ind-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.ind-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.ind-card .ph{aspect-ratio:1;overflow:hidden;background:var(--lav)}
.ind-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.ind-card .tx{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.ind-card p{color:var(--muted);font-size:14px;line-height:1.5}
.ind-card .link{margin-top:auto;font-size:14px}
@media (hover:hover){.ind-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(43,42,51,.09)}.ind-card:hover .ph img{transform:scale(1.07)}}
@media (max-width:1024px){.ind-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:600px){.ind-grid{grid-template-columns:1fr 1fr;gap:10px}.ind-card .tx{padding:12px}.ind-card p{display:none}}
.ind-pics{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:12px}
.ind-pics figure{margin:0;position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/5;background:var(--lav)}
.ind-pics img{width:100%;height:100%;object-fit:cover}
.ind-pics figcaption{position:absolute;left:10px;right:10px;bottom:10px;background:rgba(255,255,255,.93);border-radius:10px;padding:6px 10px;font-size:12.5px;font-weight:600}
@media (max-width:600px){.ind-pics{grid-template-columns:1fr 1fr}.ind-pics figure:first-child{grid-column:1/-1;aspect-ratio:4/3}}
.needs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.need{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.need p{color:var(--muted);font-size:14.5px}
.need .link{margin-top:auto;padding-top:4px}
@media (max-width:1024px){.needs{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.needs{grid-template-columns:1fr}}
.kit{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start;background:var(--lav);border-radius:20px;padding:32px}
.kit .tbl table{min-width:0}
.kit tfoot td{background:var(--bg);font-size:16px}
.labelbox{display:grid;grid-template-columns:1fr 1fr;gap:28px;background:var(--butter);border-radius:20px;padding:32px;align-items:start}
.label-list{margin:0;padding:0;list-style:none;display:grid;gap:8px;counter-reset:l}
.label-list li{background:var(--white);border-radius:12px;padding:10px 14px;font-weight:600;display:flex;gap:12px;align-items:center}
.label-list li::before{counter-increment:l;content:counter(l);width:24px;height:24px;border-radius:50%;background:var(--lav-deep);color:#fff;font-size:12px;display:grid;place-items:center;flex:none}
.ind-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ind-chip{background:var(--white);border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-weight:600;font-size:14px;text-decoration:none;min-height:40px;display:inline-flex;align-items:center}
.ind-chip:hover{border-color:var(--lav-deep);color:var(--lav-deep)}
@media (max-width:820px){.kit,.labelbox{grid-template-columns:1fr;padding:22px}footer .wrap{grid-template-columns:1fr 1fr}}