:root{
  --blue:#1445c8; --blue-d:#0f3590; --blue-l:#e9f0ff; --ink:#14233f; --muted:#5d6b85;
  --line:#e3e8f2; --bg:#fff; --soft:#f5f8fe; --cream:#fff8ea; --lilac:#f3effd;
  --gold:#f5b301; --radius:14px; --shadow:0 6px 24px rgba(20,50,120,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Be Vietnam Pro",system-ui,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.5;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
button:disabled{cursor:default;opacity:.45}
img{max-width:100%;display:block}
input,select,textarea{font:inherit;color:inherit}
.container{max-width:1480px;margin:0 auto;padding:0 24px}
.center{text-align:center}
.muted{color:var(--muted)}
.link{color:var(--blue);font-weight:600;font-size:12.5px;display:inline-flex;align-items:center;gap:4px}
.link:hover{text-decoration:underline}
.chip{border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600;background:#fff}
.chip:hover,.chip.on{border-color:var(--blue);color:var(--blue);background:var(--blue-l)}
svg.ic{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.sm svg.ic,svg.ic.sm{width:14px;height:14px}
.lg svg.ic,svg.ic.lg{width:34px;height:34px}
.xl svg.ic,svg.ic.xl{width:54px;height:54px}

/* Topbar */
.topbar{background:var(--blue);color:#fff;font-size:12.5px}
.topbar-in{display:flex;align-items:center;gap:36px;min-height:36px}
.tb-item{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.tb-item svg{width:16px;height:16px}
.tb-right{margin-left:auto;display:flex;align-items:center;gap:28px}
.tb-phone b{font-size:14px}
.lang{display:inline-flex;border:1px solid rgba(255,255,255,.45);border-radius:999px;overflow:hidden}
.lang button{padding:2px 9px;font-size:11px;font-weight:700;color:#fff;opacity:.75}
.lang button.on{background:#fff;color:var(--blue);opacity:1}

/* Header */
.header{background:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);transition:box-shadow .2s}
.header.nav-open{z-index:120}
.header.scrolled{box-shadow:0 4px 18px rgba(0,0,0,.06)}
.header-in{display:flex;align-items:center;height:72px;gap:24px}
.logo{display:flex;align-items:center;flex:none}
.logo img{height:40px;width:auto}
.nav{display:flex;gap:4px;margin:0 auto;height:100%}
.nav>a,.nav-dd>a{display:flex;align-items:center;gap:6px;padding:0 18px;height:100%;font-weight:500;border-bottom:2px solid transparent;transition:.15s;white-space:nowrap}
.nav>a:hover,.nav-dd>a:hover{color:var(--blue)}
.nav a.active{color:var(--blue);border-bottom-color:var(--blue)}
.nav-head,.nav-extra{display:none}
.nav-dd{position:relative;height:100%}
.dd-menu{position:absolute;top:100%;left:0;background:#fff;min-width:200px;border-radius:12px;box-shadow:var(--shadow);border:1px solid var(--line);padding:8px;display:none;z-index:5}
.nav-dd:hover .dd-menu{display:block}
.dd-menu a{display:block;padding:10px 14px;border-radius:8px}
.dd-menu a:hover{background:var(--blue-l);color:var(--blue)}
.header-actions{display:flex;gap:8px}
.icon-btn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;position:relative}
.icon-btn:hover{background:var(--soft)}
.icon-btn svg{width:23px;height:23px}
.cart-count{position:absolute;top:5px;right:2px;background:var(--blue);color:#fff;font-size:10px;font-weight:700;min-width:18px;height:18px;border-radius:9px;display:grid;place-items:center;padding:0 4px;border:2px solid #fff}
.cart-count.bump{animation:bump .4s}
@keyframes bump{50%{transform:scale(1.4)}}
.burger{display:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:999px;padding:13px 34px;font-size:13px;transition:.15s;letter-spacing:.2px;text-align:center}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover:not(:disabled){background:var(--blue-d);transform:translateY(-1px)}
.btn-outline{border:1.5px solid var(--blue);color:var(--blue);background:#fff}
.btn-outline:hover{background:var(--blue-l)}
.btn-ghost{border:1px solid var(--blue);color:var(--blue);padding:7px 20px;font-size:11px;border-radius:8px;background:#fff}
.btn-ghost:hover{background:var(--blue-l)}
.btn-sm{padding:11px 22px;font-size:12px;border-radius:8px}
.btn-xs{padding:8px 16px;font-size:11px;border-radius:6px}
.btn-block{width:100%}

/* Hero */
.hero{position:relative;background:linear-gradient(100deg,#eef3fd 0%,#e7eefb 45%,#dfe8fb 100%);overflow:hidden}
.hero-deco{position:absolute;inset:0;background-image:
  radial-gradient(circle at 46% 18%,#fff 0 2px,transparent 3px),radial-gradient(circle at 70% 8%,#fff 0 2px,transparent 3px),
  radial-gradient(circle at 94% 30%,#fff 0 3px,transparent 4px),radial-gradient(circle at 60% 85%,#fff 0 2px,transparent 3px);opacity:.9}
.hero-in{position:relative;display:grid;grid-template-columns:1fr 1.25fr;align-items:center;min-height:330px;gap:20px}
.hero-text{padding:30px 0 40px;animation:fadeUp .5s;min-width:0}
.hero h1{font-size:40px;font-weight:800;color:var(--blue-d);line-height:1.15}
.hero h2{font-size:30px;font-weight:800;color:var(--blue-d);margin-top:4px;display:flex;align-items:center;gap:10px;line-height:1.2}
.hero h2 svg{width:28px;height:28px;stroke:#5b8be0}
.hero p{margin:20px 0 22px;font-size:14.5px;color:#2b3a59}
.hero-btns{display:flex;gap:22px;flex-wrap:wrap}
.hero-btns .btn{min-width:150px}
.hero-feats{list-style:none;display:flex;gap:18px;margin-top:24px;flex-wrap:wrap}
.hero-feats li{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted)}
.hero-feats b{display:block;color:var(--ink);font-size:11.5px}
.hero-feats svg{width:26px;height:26px;stroke:var(--blue)}
.hero-visual{position:relative;height:330px;animation:fadeIn .6s;min-width:0}
.hero-visual .hv{position:absolute;filter:drop-shadow(0 16px 22px rgba(20,40,110,.22));transition:transform .4s;cursor:pointer}
.hero-visual .hv:hover{transform:translateY(-6px) rotate(var(--r,0deg))}
.hero-visual .hv1{left:6%;top:30%;width:52%;z-index:3;transform:rotate(-4deg);--r:-4deg}
.hero-visual .hv2{left:40%;top:6%;width:42%;z-index:2;transform:rotate(6deg);--r:6deg}
.hero-visual .hv3{left:62%;top:2%;width:36%;z-index:1;transform:rotate(10deg);--r:10deg;opacity:.92}
.hero-visual .hv img{width:100%;height:auto;max-height:190px;object-fit:contain}
.hero-visual .hv.photo.hv1{left:4%;top:34%;width:46%}
.hero-visual .hv.photo.hv2{left:36%;top:8%;width:38%}
.hero-visual .hv.photo.hv3{left:62%;top:22%;width:34%}
.hv-full{position:absolute;top:4%;bottom:4%;left:0;right:0;display:flex;justify-content:center;cursor:pointer;filter:drop-shadow(0 16px 22px rgba(20,40,110,.2));animation:fadeIn .6s}
.hv-full img{height:100%;width:auto;object-fit:contain}
.hero-dots{position:absolute;left:48.5%;bottom:10px;display:flex;gap:8px;z-index:5}
.hero-dots button{width:7px;height:7px;border-radius:50%;background:#c3cde3;transition:.2s}
.hero-dots button.on{background:var(--blue);width:20px;border-radius:4px}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* Services */
.services{display:grid;grid-template-columns:repeat(4,1fr);background:var(--soft);border-radius:var(--radius);margin:12px 0 10px;padding:14px 20px;gap:10px}
.services>div{display:flex;align-items:center;justify-content:center;gap:12px;font-size:12px;color:var(--muted)}
.services b{display:block;color:var(--ink);font-size:12.5px}
.services svg{width:30px;height:30px;stroke:var(--blue);stroke-width:1.4}

/* Main grid */
.grid-main{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.03fr);gap:24px;padding-bottom:20px}
.sec-head{display:flex;align-items:center;justify-content:space-between;margin:20px 0 10px;gap:10px}
.sec-title{font-size:18px;font-weight:800;color:var(--blue-d);letter-spacing:.2px}
.arrows{display:flex;gap:6px}
.arrow{width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;background:#fff;flex:none}
.arrow:hover{border-color:var(--blue);color:var(--blue)}
.arrow svg{width:14px;height:14px}
.tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.tab{padding:6px 16px;border:1px solid var(--line);border-radius:6px;font-size:12px;font-weight:500;background:#fff;min-width:64px}
.tab.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.tab:not(.on):hover{border-color:var(--blue);color:var(--blue)}
.prod-track-wrap{overflow:hidden;margin:0 -4px;padding:4px}
.prod-track{display:flex;gap:10px;transition:transform .4s ease;padding-bottom:6px}
.prod-track.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));transform:none!important}
.card{flex:0 0 calc((100% - 40px)/5);min-width:0;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px 12px;position:relative;transition:.2s;cursor:pointer;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow);border-color:#cfd9ef;transform:translateY(-2px)}
.card .thumb{aspect-ratio:1.25;display:grid;place-items:center;margin-bottom:12px}
.card .thumb svg,.card .thumb img{width:100%;height:100%;object-fit:contain}
.card h5{font-size:11.5px;font-weight:500;color:#2b3a59;margin-bottom:8px;min-height:2.6em}
.card .row{display:flex;align-items:center;justify-content:space-between;margin-top:auto;gap:4px}
.price{font-weight:800;font-size:13.5px;line-height:1.2}
.card .old{display:block;margin:0}
.old{font-size:11px;color:#9aa6bc;text-decoration:line-through;font-weight:400;margin-left:4px}
.add{width:28px;height:28px;border-radius:6px;border:1px solid #c9d6f2;color:var(--blue);display:grid;place-items:center;flex:none}
.add:hover{background:var(--blue);color:#fff}
.add svg{width:15px;height:15px}
.badge{position:absolute;top:8px;left:8px;background:#ff5a7a;color:#fff;font-size:10px;font-weight:700;padding:2px 7px;border-radius:5px;z-index:1}
.badge.new{background:#22b07d}
.empty{padding:30px;text-align:center;color:var(--muted)}
.featured .center{margin-top:14px}
.dots{display:flex;gap:4px;margin:-4px 0 8px;flex-wrap:wrap}
.dots span{width:11px;height:11px;border-radius:50%;box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.dots span.on{box-shadow:0 0 0 1.5px #fff,0 0 0 3px var(--blue)}

/* Right column */
.right-col{display:flex;flex-direction:column;gap:12px;padding-top:12px;min-width:0}
.design-box{background:linear-gradient(180deg,#eaf1ff,#f2f6ff);border-radius:var(--radius);padding:18px 18px 16px;border:1px solid #dfe7fa}
.design-box .sec-title{margin-bottom:6px}
.design-box p{font-size:12px}
.steps{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap;cursor:pointer}
.step{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:11.5px;flex:1;min-width:84px;text-align:center}
.step-ic{width:100%;max-width:104px;aspect-ratio:1.6;border-radius:999px;background:#fff;display:grid;place-items:center;box-shadow:0 2px 8px rgba(20,50,120,.07);color:#1b2a4b;padding:6px 12px}
.step-ic svg{max-height:100%}
.step-ic img{max-height:100%;width:auto}
.step-arrow{width:14px;color:var(--blue);margin-bottom:22px}
.step-arrow svg{fill:var(--blue);stroke:none}
.steps .btn{margin-left:auto;margin-bottom:22px}
.promo-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.promo{container-type:inline-size;border-radius:var(--radius);padding:16px;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto 1fr auto;column-gap:8px;align-items:end}
.promo h4{grid-column:1/-1;font-size:12.5px;font-weight:800;color:var(--blue-d);margin-bottom:8px;align-self:start}
.promo p{grid-column:1/-1;font-size:11px;color:#3d4a66;margin-bottom:12px;align-self:start}
.promo .btn{grid-column:1;justify-self:start;max-width:100%;white-space:normal;line-height:1.25}
.p-blue{background:#e9f0ff}.p-cream{background:var(--cream)}.p-lilac{background:var(--lilac)}
.promo-art{grid-column:2;width:70px;margin:0 -8px -10px 0;align-self:end}
@container (max-width:250px){.promo-art{width:48px;margin-right:-6px}.hand{width:40px;height:40px;margin:0 8px 2px 0}.hand svg{width:26px;height:26px}.promo .btn{padding:8px 10px;font-size:10.5px;letter-spacing:0}}
@container (max-width:165px){.promo-art{display:none}.promo .btn{grid-column:1/-1}}
.promo-art img,.promo-art svg{width:100%;height:auto;display:block}
.hand{width:52px;height:52px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;margin:0 12px 6px 0}
.hand svg{width:34px;height:34px}

/* Story band */
.story-band{background:var(--soft);padding:20px 0;margin-top:10px}
.story-grid{display:grid;grid-template-columns:300px 1fr 1fr 1.6fr;gap:22px;align-items:start}
.story-grid>*{min-width:0}
.video-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:1.5;cursor:pointer;color:#fff}
.video-bg{position:absolute;inset:0;background:linear-gradient(135deg,#3a2f28,#7a6553 60%,#b39478);background-size:cover}
.video-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.5),transparent)}
.video-txt{position:absolute;left:24px;top:30%;line-height:1}
.video-txt small{font-size:15px;font-weight:600;letter-spacing:1px}
.video-txt b{display:block;font-size:30px;font-weight:800;margin-top:6px}
.play{position:absolute;left:58%;top:40%;width:46px;height:46px;border:2.5px solid #fff;border-radius:50%;display:grid;place-items:center;transition:.2s}
.play svg{fill:#fff;stroke:none;width:20px;height:20px;margin-left:3px}
.video-card:hover .play{transform:scale(1.1);background:rgba(255,255,255,.15)}
.story-txt h3{font-size:14px;font-weight:800;color:var(--blue-d);margin-bottom:10px}
.story-txt p{font-size:11.5px;color:#3d4a66;margin-bottom:8px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;text-align:center;border-left:1px solid var(--line);padding-left:16px}
.stats>div{display:flex;flex-direction:column;align-items:center;gap:6px}
.st-ic{width:50px;height:50px;border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--blue);box-shadow:0 2px 8px rgba(20,50,120,.06)}
.st-ic svg{width:24px;height:24px}
.stats b{font-size:16px;font-weight:800}
.stats small{font-size:10.5px;color:var(--muted);line-height:1.3}
.reviews h4{text-align:center;font-size:11.5px;font-weight:800;color:var(--blue-d);margin-bottom:10px}
.rev-wrap{position:relative;overflow:hidden;padding-right:34px}
.rev-track{display:flex;gap:10px;transition:transform .4s}
.rev{flex:0 0 calc((100% - 10px)/2);background:#fff;border-radius:10px;padding:12px;font-size:10.5px;box-shadow:0 2px 8px rgba(20,50,120,.05)}
.rev-head{display:flex;gap:8px;align-items:center;margin-bottom:6px}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px;flex:none}
.rev-head b{font-size:10.5px;display:block}
.rev-head small{color:var(--muted);font-size:9.5px}
.stars{color:var(--gold);letter-spacing:1px;font-size:12px;margin-bottom:4px}
.rev p{color:#3d4a66}
.rev-next{position:absolute;right:0;top:50%;transform:translateY(-50%)}

/* Blog */
.blog{padding-bottom:40px}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:.2s;background:#fff}
.post:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.post-img{height:150px;display:grid;place-items:center}
.post-img svg{height:80%}
.post-b{padding:14px 16px}
.post-b small{color:var(--muted)}
.post-b h5{font-size:14px;margin-top:4px}

/* Footer */
.footer{background:#0e2a6e;color:#c9d5f1;padding-top:40px;font-size:13px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:30px;padding-bottom:30px}
.foot-logo{height:40px;width:auto}
.footer h5{color:#fff;font-size:14px;margin-bottom:12px}
.footer ul{list-style:none;display:grid;gap:8px}
.footer ul li{display:flex;gap:8px;align-items:flex-start}
.footer a:hover{color:#fff}
.footer p{margin-top:12px;max-width:300px}
.copy{border-top:1px solid rgba(255,255,255,.12);padding:16px 24px;font-size:12px;text-align:center}
.zalo-float{position:fixed;right:20px;bottom:20px;width:54px;height:54px;border-radius:50%;background:#0068ff;color:#fff;font-weight:800;font-size:13px;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,104,255,.4);z-index:40;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(0,104,255,.45)}50%{box-shadow:0 0 0 12px rgba(0,104,255,0)}}

/* Overlay / Drawer / Modal */
.overlay{position:fixed;inset:0;background:rgba(10,20,50,.45);opacity:0;pointer-events:none;transition:.25s;z-index:90}
.overlay.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;height:100dvh;width:420px;max-width:100%;background:#fff;z-index:100;transform:translateX(100%);transition:.3s;display:flex;flex-direction:column}
.drawer.on{transform:none}
.dr-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.dr-head h3{font-size:17px}
.dr-head .x{position:static}
.dr-body{flex:1;overflow:auto;padding:12px 20px}
.dr-foot{padding:16px 20px;border-top:1px solid var(--line);display:grid;gap:10px}
.ci{display:grid;grid-template-columns:72px 1fr auto;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center}
.ci-thumb{width:72px;height:58px;background:var(--soft);border-radius:8px;display:grid;place-items:center;padding:3px;overflow:hidden}
.ci-thumb svg,.ci-thumb img{width:100%;height:100%;object-fit:contain}
.ci h6{font-size:13px;font-weight:600}
.ci small{color:var(--muted);display:block;word-break:break-word}
.ci-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;margin-top:6px;background:#fff}
.qty button{width:32px;height:32px;font-size:16px}
.qty span{min-width:26px;text-align:center;font-size:13px}
.rm{color:#c03;padding:6px}
.sum-row{display:flex;justify-content:space-between}
.sum-row.total{font-weight:800;font-size:16px}
.ship-bar{height:6px;background:var(--line);border-radius:3px;overflow:hidden;margin-top:4px}
.ship-bar i{display:block;height:100%;background:var(--blue);transition:.3s}
.modal{position:fixed;inset:0;display:grid;grid-template-columns:minmax(0,1fr);place-items:center;z-index:110;pointer-events:none;padding:16px}
.modal-box{background:#fff;border-radius:18px;width:560px;max-width:100%;max-height:calc(100dvh - 32px);overflow:auto;padding:26px;position:relative;transform:scale(.96);opacity:0;transition:.2s;overscroll-behavior:contain}
.modal.on{pointer-events:auto}
.modal.on .modal-box{transform:none;opacity:1}
.modal-box.wide{width:1040px}
.modal-box.full{width:1320px;height:calc(100dvh - 32px);padding:0;overflow:hidden}
.x{position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--soft);z-index:5}
.x:hover{background:var(--line)}
.modal-box h3{font-size:20px;color:var(--blue-d);margin-bottom:6px;padding-right:40px;line-height:1.3}
.form{display:grid;gap:12px;margin-top:16px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form label{display:grid;gap:5px;font-size:12.5px;font-weight:600}
.form input,.form select,.form textarea{border:1px solid #d3dbea;border-radius:9px;padding:10px 12px;font-weight:400;outline:none;background:#fff;width:100%;font-size:15px}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-l)}
.err{color:#c0392b;font-size:13px;min-height:0}
.err:empty{display:none}
.note-box{display:block;background:#fff8e6;border:1px solid #f5dfa6;color:#7a5600;border-radius:10px;padding:10px 12px;font-size:12.5px}
.hl{color:var(--blue);font-weight:800}

/* Popup sản phẩm: hiển thị trọn, nút mua luôn thấy */
.pd{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:start}
.pd-img{background:var(--soft);border-radius:14px;display:grid;place-items:center;padding:18px;aspect-ratio:1.15;max-height:calc(100dvh - 100px)}
.pd-img svg,.pd-img img{width:100%;height:100%;object-fit:contain}
.pd-img video{width:100%;height:100%;object-fit:cover;border-radius:10px}
.pd-img.has-video{padding:0;overflow:hidden;background:#000}
.pd-info{min-width:0}
.pd-price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin:2px 0 4px}
.pd .price{font-size:24px;color:var(--blue)}
.pd .d-label{margin-top:10px}
.var-row{display:flex;gap:8px;flex-wrap:wrap}
.var{width:60px;height:46px;border:1.5px solid var(--line);border-radius:10px;padding:3px;background:#fff}
.var.on{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-l)}
.var img,.var svg{width:100%;height:100%;object-fit:contain}
.pd-media-sw{display:flex;gap:6px;margin-top:10px}
.pd-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:14px}
.pd-actions .qty{margin:0}
.pd-actions .btn{padding:11px 22px}
.pd-desc{margin-top:14px;font-size:13.5px;color:#3d4a66}
.pd-ul{list-style:none;margin:10px 0;display:grid;gap:4px;font-size:13px;color:#3d4a66}
.pd-ul li::before{content:"✓ ";color:#22b07d;font-weight:700}
.pd-design{display:inline-block;margin-top:4px;color:var(--blue);font-weight:700}

.search-in{display:flex;gap:10px;align-items:center;border:1.5px solid var(--blue);border-radius:12px;padding:4px 12px;margin-top:10px}
.search-in input{border:0;outline:0;flex:1;padding:10px 0;font-size:16px;min-width:0}
.sr{display:grid;gap:6px;margin-top:14px;max-height:55vh;overflow:auto}
.sr a{display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center;padding:8px;border-radius:10px}
.sr a:hover{background:var(--soft)}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{font-weight:600;cursor:pointer}
.faq p{margin-top:8px;color:var(--muted)}
.order-card{background:var(--soft);border-radius:12px;padding:14px;margin-top:12px;font-size:13px;display:grid;gap:4px}
.oc-h{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.order-card .ok{color:#1f7a3d;font-weight:600}.order-card .warn{color:#b35c00;font-weight:600}
.status{display:inline-block;padding:2px 10px;border-radius:20px;background:#fff3cd;color:#8a6200;font-weight:600;font-size:12px}
.status.s-confirmed{background:#e0ecff;color:#1445c8}.status.s-producing{background:#efe3ff;color:#6b3fc1}.status.s-shipping{background:#dff6f2;color:#0d7a68}
.status.s-done{background:#dcf5e3;color:#1f7a3d}.status.s-cancelled{background:#eee;color:#888}

/* Thanh toán */
.pay-opts{display:grid;gap:8px}
.pay{display:flex!important;grid-template-columns:none;gap:10px!important;align-items:flex-start;border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;font-weight:500!important}
.pay input{width:auto!important;margin-top:3px;accent-color:var(--blue)}
.pay:has(input:checked){border-color:var(--blue);background:var(--blue-l)}
.pay.dis{opacity:.45;cursor:not-allowed}
.ok-box p{margin:8px 0}
.ok-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.ok-btns .btn{padding:11px 20px}
.qr{border:1px solid var(--line);border-radius:14px;padding:14px;margin:12px auto 0;max-width:420px;text-align:center}
.qr img{width:240px;height:auto;margin:8px auto;border-radius:10px}
.qr .kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;text-align:left;font-size:13px;margin:8px 0}
.qr .kv span{color:var(--muted)}

/* Trình thiết kế (toàn màn hình) */
.ds{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(340px,1fr);height:100%}
.ds-left{background:linear-gradient(135deg,#eef3fd,#f6f0ff);padding:22px 26px;display:flex;flex-direction:column;min-height:0}
.ds-head h3{margin-bottom:2px}
.ds-head p{font-size:12.5px}
.preview{flex:1;display:grid;place-items:center;min-height:0;padding:10px 0;touch-action:none;user-select:none;-webkit-user-select:none}
.preview svg{width:100%;height:100%;filter:drop-shadow(0 18px 26px rgba(20,40,110,.18))}
.ds-under{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px}
.ds-right{min-width:0;padding:22px 24px 24px;overflow:auto;border-left:1px solid var(--line);overscroll-behavior:contain}
.d-label{font-size:12.5px;font-weight:700;margin:14px 0 6px}
.ds-right .d-label:first-child{margin-top:34px}
.sub-l{font-size:11.5px;font-weight:600;color:var(--muted);margin-bottom:4px}
.swatches{display:flex;gap:8px;flex-wrap:wrap}
.sw{width:32px;height:32px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 1px #cfd6e4;flex:none;position:relative;overflow:hidden}
.sw.on{box-shadow:0 0 0 2px var(--blue)}
.swatches.sm .sw{width:26px;height:26px;border-width:2px}
.sw-pick{background:conic-gradient(red,yellow,lime,cyan,blue,magenta,red);cursor:pointer}
.sw-pick input{opacity:0;position:absolute;inset:0;width:100%;height:100%;cursor:pointer}
.motifs{display:flex;gap:6px;flex-wrap:wrap}
.motif{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;padding:4px;background:#dfe7f7;font-size:11px}
.motif.on{border-color:var(--blue);box-shadow:0 0 0 2px var(--blue-l)}
.upload{border:1.5px dashed #b7c6e6;border-radius:12px;padding:12px;cursor:pointer;color:var(--muted);font-size:12.5px;display:flex;align-items:center;justify-content:center;gap:8px;text-align:center}
.upload:hover{border-color:var(--blue);color:var(--blue)}
.ctl-grid{display:grid;gap:10px;margin-top:10px}
.ctl-grid label{display:grid;gap:2px;font-size:12px;font-weight:600;color:var(--muted)}
.ctl-grid input[type=range]{width:100%;accent-color:var(--blue);height:26px}
.ctl-btns{display:flex;gap:8px;flex-wrap:wrap}
.chk{display:flex!important;align-items:center;gap:8px!important;color:var(--ink)!important}
.chk input{accent-color:var(--blue);width:18px;height:18px}
.ds-right textarea{width:100%;border:1px solid #d3dbea;border-radius:10px;padding:10px 12px;resize:vertical;font-size:16px;outline:none}
.ds-right textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-l)}
.font-row{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:8px}
.fontb{border:1px solid var(--line);border-radius:8px;padding:6px 2px;font-size:17px;line-height:1.2;background:#fff;white-space:nowrap;overflow:hidden}
.fontb.on{border-color:var(--blue);background:var(--blue-l);color:var(--blue)}
.ds-foot{position:sticky;bottom:-24px;background:#fff;margin:16px -24px -24px;padding:12px 24px 18px;border-top:1px solid var(--line);box-shadow:0 -8px 18px rgba(20,50,120,.06);z-index:2}
.consent{display:flex;gap:10px;align-items:flex-start;padding:12px;border-radius:10px;background:#fff8e6;border:1px solid #f5dfa6;font-size:12.5px;cursor:pointer}
.consent input{width:18px;height:18px;flex:none;margin-top:1px;accent-color:var(--blue)}
.consent.shake{animation:shake .5s;border-color:#e74c3c}
@keyframes shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.ds-buy{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px;flex-wrap:wrap}
.ds-buy .price{font-size:22px;color:var(--blue)}

.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,40px);background:#14233f;color:#fff;padding:12px 20px;border-radius:12px;font-size:13px;opacity:0;transition:.3s;z-index:200;pointer-events:none;max-width:90vw;text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ===== Responsive ===== */
@media (max-width:1280px){
  .nav>a,.nav-dd>a{padding:0 11px}
  .story-grid{grid-template-columns:260px 1fr 1fr}
  .reviews{grid-column:1/-1}
  .rev{flex-basis:calc((100% - 30px)/4)}
}
@media (max-width:1100px){
  .grid-main{grid-template-columns:minmax(0,1fr)}
  .card{flex-basis:calc((100% - 30px)/4)}
  .tb-item.hide-sm{display:none}
  .logo img{height:34px}
}
@media (max-width:960px){
  .burger{display:grid;margin-left:-8px}
  .nav{position:fixed;top:0;left:0;bottom:0;width:300px;max-width:85vw;background:#fff;flex-direction:column;gap:0;padding:0 0 20px;transform:translateX(-100%);transition:.3s;z-index:105;height:100dvh;margin:0;box-shadow:var(--shadow);overflow:auto}
  .nav.on{transform:none}
  .nav-head{display:flex;align-items:center;justify-content:space-between;padding:12px 12px 12px 18px;border-bottom:1px solid var(--line)}
  .nav-head img{height:30px;width:auto}
  .nav>a,.nav-dd>a{height:auto;padding:14px 18px;border-bottom:1px solid var(--line)}
  .nav a.active{border-bottom-color:var(--line);background:var(--blue-l)}
  .nav-dd{height:auto}
  .dd-menu{position:static;display:block;box-shadow:none;border:0;padding:0 0 0 18px;border-radius:0}
  .nav-extra{display:grid;padding:14px 18px;gap:12px;color:var(--muted)}
  .nav-extra .lang{border-color:var(--line);justify-self:start}
  .nav-extra .lang button{color:var(--ink);padding:6px 14px;font-size:12px}
  .nav-extra .lang button.on{background:var(--blue);color:#fff}
  .header-actions{margin-left:auto}
  .hero-in{grid-template-columns:minmax(0,1fr);min-height:0}
  .hero-visual{height:260px;order:-1;margin-top:10px}
  .hero-text{padding:0 0 40px}
  .hero-dots{left:50%;transform:translateX(-50%)}
  .services{grid-template-columns:repeat(2,1fr);gap:14px}
  .services>div{justify-content:flex-start}
  .story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-column:1/-1;border:0;padding:0}
  .rev{flex-basis:calc((100% - 10px)/2)}
  .promo-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .pd{grid-template-columns:1fr;gap:16px}
  .pd-img{aspect-ratio:auto;height:min(46vh,380px)}
  .ds{grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr);height:100%}
  .ds-left{padding:14px 16px 8px}
  .ds-head p{display:none}
  .preview{flex:none;height:min(38vh,320px);padding:4px 0}
  .ds-right{border-left:0;border-top:1px solid var(--line);padding:6px 16px 20px}
  .ds-foot{bottom:-20px;margin:14px -16px -20px;padding:10px 16px calc(14px + env(safe-area-inset-bottom))}
  .consent{font-size:11.5px;padding:8px 10px}
  .ds-right .d-label:first-child{margin-top:12px}
}
@media (max-width:640px){
  html{scroll-padding-top:62px}
  .container{padding:0 16px}
  .topbar{font-size:11px}
  .topbar-in{gap:8px;justify-content:space-between;min-height:32px}
  .tb-ship{white-space:normal;line-height:1.25;padding:4px 0}
  .tb-ship svg{display:none}
  .tb-right{margin-left:0;gap:10px}
  .tb-phone{display:none}
  .header-in{height:58px;gap:6px}
  .logo img{height:30px}
  .header-actions{gap:0}
  .hide-xs{display:none!important}
  .icon-btn{width:40px;height:40px}
  .icon-btn svg{width:22px;height:22px}
  .hero h1{font-size:28px}
  .hero h2{font-size:19px}
  .hero h2 svg{width:20px;height:20px}
  .hero p{margin:12px 0 16px;font-size:14px}
  .hero-btns{gap:10px}
  .hero-btns .btn{min-width:0;flex:1;padding:12px 8px}
  .hero-feats{display:grid;grid-template-columns:1fr 1fr;gap:12px 10px;margin-top:18px}
  .hero-feats li{min-width:0}
  .hero-visual{height:210px}
  .hero-visual .hv img{max-height:130px}
  .hero-text{padding-bottom:34px}
  .services{grid-template-columns:1fr 1fr;gap:12px;padding:12px}
  .services>div{gap:8px;font-size:11px;align-items:flex-start}
  .services svg{width:24px;height:24px}
  .services b{font-size:12px}
  .sec-title{font-size:16px}
  .card{flex-basis:calc((100% - 10px)/2)}
  .card h5{font-size:12px}
  .design-box{padding:16px 14px}
  .steps{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .step{min-width:0}
  .step-arrow{display:none}
  .steps .btn{grid-column:1/-1;width:100%;margin:4px 0 0}
  .promo p{font-size:12px}
  .promo h4{font-size:13px}
  .promo-art{width:96px}
  .story-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .video-card{aspect-ratio:16/9}
  .story-txt h3{font-size:15px}
  .story-txt p{font-size:13px}
  .stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .stats small{font-size:12px}
  .rev{flex-basis:100%;font-size:12.5px}
  .rev-head b{font-size:12.5px}.rev-head small{font-size:11px}
  .blog-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .zalo-float{width:46px;height:46px;font-size:11px;right:12px;bottom:12px}
  .form .two{grid-template-columns:1fr}
  /* popup dạng tấm trượt từ dưới lên */
  .modal{padding:0;align-items:end;justify-items:stretch}
  .modal-box,.modal-box.wide{width:100%;max-height:92dvh;border-radius:18px 18px 0 0;padding:20px 16px calc(20px + env(safe-area-inset-bottom));transform:translateY(30px)}
  .modal-box.full{height:100dvh;max-height:100dvh;border-radius:0;padding:0}
  .modal-box:not(.full)>.x{position:sticky;top:-8px;float:right;margin:-8px -4px 0 8px;box-shadow:0 2px 8px rgba(0,0,0,.12);background:#fff}
  .modal-box h3{font-size:18px}
  .pd-img{height:min(38vh,300px);padding:10px}
  .pd .price{font-size:22px}
  .pd-actions .btn{flex:1;padding:12px 10px}
  .drawer{width:100%}
  .font-row{grid-template-columns:repeat(4,1fr)}
  .fontb{font-size:15px}
  .ds-buy .btn{flex:1}
}
@media (max-width:360px){
  .hero h1{font-size:24px}
  .tb-ship{font-size:10px}
  .card .row{flex-wrap:wrap}
}