/* META AI — Meta Authentic Info · nền giấy ấm, mực đen, một màu nhấn cam */
:root{--bg:#faf7f2;--pn:#fff;--ink:#14110f;--mu:#6b6258;--ln:#e7e0d5;--ac:#ff5a1f;--ac2:#d9430c;--ok:#0f8a4b;--r:18px}
*{box-sizing:border-box}html{overflow-x:clip;-webkit-text-size-adjust:100%;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--ac2);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.12;margin:0;letter-spacing:-.025em;text-wrap:balance}h1{font-size:clamp(2.1rem,7.4vw,4rem);font-weight:800}h2{font-size:clamp(1.35rem,4vw,1.9rem);font-weight:750}h3{font-size:1.08rem}h2.sm{font-size:1.05rem;margin-top:20px}p{margin:.6em 0}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}.mut{color:var(--mu);font-size:.9rem}.src{margin-top:26px}
:focus-visible{outline:3px solid var(--ac);outline-offset:2px;border-radius:6px}
.hd{position:sticky;top:0;z-index:30;background:rgba(250,247,242,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--ln)}.hd-in{display:flex;align-items:center;gap:12px;height:62px}
.mbtn{width:42px;height:42px;border:1px solid var(--ln);border-radius:12px;background:var(--pn);display:grid;place-content:center;gap:4px;cursor:pointer;flex:none}.mbtn i{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.logo{display:flex;align-items:center;gap:9px;color:var(--ink)}.logo:hover{text-decoration:none}.logo span{display:grid;line-height:1.05}.logo b{font-size:1.02rem;letter-spacing:.04em}.logo small{font-size:.66rem;color:var(--mu);letter-spacing:.02em}
.hd-nav{display:none;gap:20px;margin-left:16px}.hd-nav a{color:var(--mu);font-size:.92rem}.hd-nav a:hover{color:var(--ink);text-decoration:none}
.readbtn{margin-left:auto;font-size:.76rem;font-weight:800;letter-spacing:.08em;background:var(--ink);color:#fff;padding:8px 13px;border-radius:999px}.readbtn:hover{text-decoration:none;background:var(--ac)}
.lang{display:flex;border:1px solid var(--ln);border-radius:999px;overflow:hidden;font-size:.74rem;font-weight:700;background:var(--pn)}.lang a{padding:7px 10px;color:var(--mu)}.lang a.on{background:var(--ink);color:#fff}.lang a:hover{text-decoration:none}
.drawer{position:fixed;inset:62px 0 0 0;z-index:29;background:rgba(20,17,15,.35)}.drawer-in{width:min(320px,86vw);height:100%;background:var(--bg);border-right:1px solid var(--ln);padding:14px;display:flex;flex-direction:column;gap:2px;overflow:auto}.drawer-in>a{color:var(--ink);padding:12px;border-radius:12px}.drawer-in>a:hover{background:var(--pn);text-decoration:none}
.visits{margin-top:auto;border-top:1px solid var(--ln);padding-top:12px;display:grid;gap:4px;font-size:.86rem;color:var(--mu)}.visits b{color:var(--ink)}.visits span{display:flex;justify-content:space-between}.visits i{font-style:normal;color:var(--ac2);font-variant-numeric:tabular-nums}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border-radius:999px;border:1px solid transparent;font-family:inherit;font-weight:700;font-size:1rem;line-height:1;cursor:pointer;white-space:nowrap;text-decoration:none!important;transition:transform .12s,background .15s}.btn:active{transform:scale(.97)}
.btn.main{background:var(--ac);color:#fff}.btn.main:hover{background:var(--ac2)}.btn.line{background:var(--pn);border-color:var(--ln);color:var(--ink)}.btn.line:hover{border-color:var(--ink)}.btn.blue{background:#0068ff;color:#fff;width:100%}
.hero{padding:34px 0 30px}.eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--ac2);margin:0 0 12px}.lead{font-size:clamp(1.02rem,2.6vw,1.22rem);color:#3d362f;max-width:62ch;margin:14px 0 0}
.search{position:relative;margin-top:22px;max-width:760px}.search input{width:100%;height:60px;border-radius:999px;border:2px solid var(--ink);background:var(--pn);padding:0 24px;font:500 17px inherit;color:var(--ink);box-shadow:6px 6px 0 var(--ink)}.search.big input{height:66px}.search input:focus{outline:none;border-color:var(--ac);box-shadow:6px 6px 0 var(--ac)}
.q-out:empty{display:none}.q-out{margin-top:14px;background:var(--pn);border:1px solid var(--ln);border-radius:var(--r);overflow:hidden}.q-out a{display:flex;gap:10px;align-items:baseline;padding:12px 16px;color:var(--ink);border-bottom:1px solid var(--ln)}.q-out a:last-child{border:0}.q-out a:hover{background:var(--bg);text-decoration:none}.q-out small{color:var(--mu);margin-left:auto;white-space:nowrap}.q-out em{font-style:normal;font-size:.66rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--ac2);min-width:62px}.q-none{padding:14px 16px;color:var(--mu)}
.sec{padding:44px 0}.sec.alt{background:#f3eee6;border-block:1px solid var(--ln)}.sec-h{margin-bottom:20px}.sec-h p{color:var(--mu);margin:.4em 0 0}.sec-h.row{display:flex;justify-content:space-between;align-items:end;gap:14px;flex-wrap:wrap}
.phead{padding:26px 0 6px}.phead h1{font-size:clamp(1.8rem,6vw,3rem)}.crumb{color:var(--mu);font-size:.84rem;margin:0 0 10px}.crumb a{color:var(--mu)}
.three,.grid{display:grid;gap:14px}.two{display:grid;gap:36px}
.feat{display:flex;flex-direction:column;gap:8px;background:var(--pn);border:1px solid var(--ln);border-radius:22px;padding:22px;color:var(--ink);transition:transform .15s,border-color .15s}.feat:hover{text-decoration:none;transform:translateY(-3px);border-color:var(--ink)}.feat p{color:var(--mu);margin:0;flex:1}.feat.main{background:var(--ink);color:#fff;border-color:var(--ink)}.feat.main p{color:#cfc6ba}.feat.wide{margin:22px 0}.go{font-weight:700;color:var(--ac);margin-top:8px}.feat.main .go b{color:#fff;margin-left:8px}
.tag{align-self:flex-start;font-size:.66rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:4px 10px;background:var(--ac);color:#fff}.tag.free{background:#e3f4ea;color:var(--ok)}
.card{display:flex;flex-direction:column;gap:6px;background:var(--pn);border:1px solid var(--ln);border-radius:var(--r);padding:18px;color:var(--ink);transition:border-color .15s,transform .15s}.card:hover{text-decoration:none;border-color:var(--ink);transform:translateY(-2px)}.card p{color:var(--mu);font-size:.9rem;margin:0;flex:1}.price{font-weight:800;margin-top:6px}
.chips{display:flex;gap:8px;overflow-x:auto;padding:14px 20px 6px;margin:0 -20px;scrollbar-width:none}.chips a,.chips button{flex:none;border:1px solid var(--ln);background:var(--pn);color:var(--ink);border-radius:999px;padding:9px 15px;font:inherit;font-size:.88rem;cursor:pointer}.chips .on{background:var(--ink);color:#fff;border-color:var(--ink)}.chips a:hover{text-decoration:none;border-color:var(--ink)}.chips.big{flex-wrap:wrap;overflow:visible}.chips.big button{font-size:1rem;padding:13px 18px}
.gh{margin:34px 0 14px}.gh small{color:var(--mu);font-weight:500;font-size:.9rem}
.clist{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:6px}.clist a{background:var(--pn);border:1px solid var(--ln);border-radius:12px;padding:10px 12px;color:var(--ink);font-size:.92rem;display:flex;justify-content:space-between;gap:6px}.clist a:hover{border-color:var(--ink);text-decoration:none}.clist small{color:var(--mu)}
.facts,.tb{width:100%;border-collapse:collapse;font-size:.95rem;margin:12px 0 22px;background:var(--pn);border-radius:var(--r);overflow:hidden;border:1px solid var(--ln)}.facts th,.facts td,.tb th,.tb td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--ln);vertical-align:top}.facts tr:last-child>*,.tb tr:last-child>*{border-bottom:0}.facts th{color:var(--mu);font-weight:500;width:42%}.tb th{background:#f3eee6;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--mu)}.tb td:first-child{font-variant-numeric:tabular-nums;color:var(--mu)}.tw{overflow-x:auto}
.buy{background:var(--pn);border:2px solid var(--ink);border-radius:22px;padding:20px;margin-top:22px;display:grid;gap:12px;box-shadow:6px 6px 0 var(--ink)}.buy-p b{font-size:2.2rem;letter-spacing:-.03em}.buy-p span{color:var(--mu);margin-left:8px;font-size:.9rem}.buy .btn{min-height:58px;font-size:1.1rem}.buy p{margin:0}
.shot{width:100%;height:auto;border-radius:var(--r);border:1px solid var(--ln);margin-bottom:20px}
.sample{background:#fff7f2;border:1px dashed var(--ac);border-radius:var(--r);padding:18px;margin:20px 0}.inl{display:flex;gap:8px;flex-wrap:wrap}.inl input{flex:1;min-width:200px}
input,textarea,select{width:100%;background:var(--pn);border:1px solid #cfc6ba;border-radius:12px;color:var(--ink);padding:13px 14px;font:16px/1.4 inherit}textarea{font-family:inherit}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--ac)}input[type=color]{padding:4px;height:48px}.hp{position:absolute;left:-9999px;width:1px}.filter{margin:10px 0}
.ticks{list-style:none;padding:0;display:grid;gap:10px}.ticks li{padding-left:30px;position:relative}.ticks li:before{content:"✓";position:absolute;left:0;top:0;width:21px;height:21px;border-radius:50%;background:var(--ok);color:#fff;font-size:.75rem;display:grid;place-items:center;margin-top:3px}
.note{background:var(--pn);border-left:3px solid var(--ac);padding:12px 16px;border-radius:0 12px 12px 0;margin:18px 0}.pn{display:flex;justify-content:space-between;gap:12px;margin:8px 0 20px;font-size:.92rem}
.prose h2{margin:1.5em 0 .5em}.prose li{margin:.4em 0}.prose ul,.prose ol{padding-left:1.2em}.sec .narrow>h2,.sec .wrap>h2{margin:1.4em 0 .5em}
.tool{display:grid;gap:22px;margin-bottom:26px}.tf{display:grid;gap:12px;align-content:start}.tf label{display:grid;gap:5px;font-size:.84rem;color:var(--mu)}.tp{display:grid;gap:10px;align-content:start}.prev{background:repeating-conic-gradient(#f3eee6 0 25%,#fff 0 50%) 0 0/20px 20px;border:1px solid var(--ln);border-radius:var(--r);padding:26px;min-height:96px;display:grid;place-items:center}.prev.tall{min-height:240px;position:relative;place-items:end}canvas.prev{padding:0;width:240px;height:240px}#g-out{border-radius:var(--r);border:1px solid var(--ln)}
.tp textarea{font:12px/1.5 ui-monospace,Menlo,Consolas,monospace}
.notes ul{list-style:none;padding:0;margin:16px 0;display:grid;gap:8px}.notes li{display:flex;align-items:center;gap:10px;background:var(--pn);border:1px solid var(--ln);border-radius:14px;padding:10px 12px;cursor:grab}.notes li.dn span{text-decoration:line-through;color:var(--mu)}.notes li.drag{opacity:.4}.notes li span{flex:1;overflow-wrap:anywhere}.notes li input{width:22px;height:22px;flex:none;accent-color:var(--ok)}.notes li button{border:0;background:none;font-size:1.1rem;cursor:pointer;color:var(--mu);padding:6px}
.cvp{background:#fff;border:1px solid var(--ln);box-shadow:0 10px 40px -20px rgba(0,0,0,.35);aspect-ratio:210/297;padding:6%;font-size:clamp(9px,1.5vw,12.5px);line-height:1.45;overflow:hidden;color:#111}.cvp h1{font-size:2.1em;letter-spacing:-.02em}.cvp h2{font-size:1em;text-transform:uppercase;letter-spacing:.1em;color:var(--ac2);border-bottom:1px solid #ddd;padding-bottom:.3em;margin:1.3em 0 .5em}.cvp .top{display:flex;gap:1.4em;align-items:center}.cvp img{width:7.5em;height:7.5em;object-fit:cover;border-radius:50%}.cvp.vn img{border-radius:6px;height:9.6em}.cvp .role{color:#555;font-size:1.15em}.cvp .ct{color:#555;margin-top:.4em}.cvp .job{margin:.5em 0}.cvp .job b{display:block}.cvp .job i{color:#666;font-style:normal;float:right}
.ft{border-top:1px solid var(--ln);padding:34px 0 110px;color:var(--mu);font-size:.9rem;background:var(--pn)}.ft-top p{color:var(--ink)}.ft-nav{display:flex;flex-wrap:wrap;gap:6px 18px;margin:14px 0}.ft-nav a{color:var(--mu)}
.zfab{position:fixed;right:14px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:25;display:flex;align-items:center;gap:8px;background:#0068ff;color:#fff;border:0;border-radius:999px;padding:8px 16px 8px 8px;font:600 .9rem inherit;cursor:pointer;box-shadow:0 10px 26px -8px rgba(0,104,255,.7)}.zfab b{background:#fff;color:#0068ff;border-radius:999px;padding:7px 9px;font-size:.78rem}
dialog{border:1px solid var(--ln);border-radius:22px;background:var(--pn);padding:0;width:min(420px,92vw)}dialog::backdrop{background:rgba(20,17,15,.55)}.lead-f{padding:22px;display:grid;gap:12px;position:relative}.lead-f .x{position:absolute;right:8px;top:6px;background:none;border:0;font-size:1.7rem;cursor:pointer;width:40px;height:40px;color:var(--mu)}#lead-z{font-size:1.25rem;height:58px;text-align:center}.ok{color:var(--ok);font-weight:700}
#fr .card{flex-direction:row;align-items:center;gap:12px}#fr .card input{width:22px;height:22px;flex:none;accent-color:var(--ac)}#fr .card div{flex:1}#fr{display:grid;gap:8px;margin:18px 0}
@media(min-width:700px){.three{grid-template-columns:1.25fr 1fr 1fr}.grid{grid-template-columns:repeat(3,1fr)}.two{grid-template-columns:1fr 1fr}.tool{grid-template-columns:1fr 1fr}.hero{padding:64px 0 46px}.sec{padding:64px 0}}
@media(min-width:1000px){.hd-nav{display:flex}}
@media(max-width:699px){.zfab span{display:none}.zfab{padding:8px}.logo small{font-size:.6rem}.logo b{font-size:.95rem}.readbtn{padding:8px 10px}.hd-in{gap:8px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{body *{visibility:hidden}.cvp,.cvp *{visibility:visible}.cvp{position:fixed;inset:0;border:0;box-shadow:none;aspect-ratio:auto;font-size:11.5pt;padding:14mm}@page{size:A4;margin:0}}

.tw .tb{min-width:520px}.chips button,.zfab,.lang a{font-family:inherit}

/* Nút KHO HÀNG */
.shop-cta{margin-top:26px;max-width:760px}.btn.shop{width:100%;min-height:68px;justify-content:flex-start;gap:12px;padding:0 22px;border-radius:22px;background:linear-gradient(135deg,#ff6a2b,#e2410a);color:#fff;font-size:1.25rem;font-weight:800;letter-spacing:.04em;box-shadow:0 14px 30px -12px rgba(226,65,10,.75),inset 0 1px 0 rgba(255,255,255,.35)}.btn.shop:hover{filter:brightness(1.06);transform:translateY(-2px)}.btn.shop small{font-size:.8rem;font-weight:600;letter-spacing:0;background:rgba(255,255,255,.22);border-radius:999px;padding:5px 11px}.btn.shop i{margin-left:auto;font-style:normal;font-size:1.5rem;transition:transform .2s}.btn.shop:hover i{transform:translateX(5px)}
.shop-g{display:flex;gap:8px;overflow-x:auto;padding:12px 20px 4px;margin:0 -20px;scrollbar-width:none}.shop-g a{flex:none;background:var(--pn);border:1px solid var(--ln);border-radius:999px;padding:9px 14px;color:var(--ink);font-size:.88rem;font-weight:600}.shop-g a:hover{border-color:var(--ac);text-decoration:none}.shop-g b{color:var(--ac2);margin-left:4px}
.shopbtn{display:none;margin-left:auto;font-size:.76rem;font-weight:800;letter-spacing:.08em;background:var(--ac);color:#fff;padding:8px 14px;border-radius:999px}.shopbtn:hover{text-decoration:none;background:var(--ac2)}.shopbtn+.readbtn{margin-left:0}
.sfab{position:fixed;left:14px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:25;display:flex;align-items:center;gap:7px;background:var(--ink);color:#fff;border-radius:999px;padding:12px 16px;font-size:.8rem;font-weight:800;letter-spacing:.06em;box-shadow:0 10px 26px -8px rgba(20,17,15,.7)}.sfab:hover{text-decoration:none;background:var(--ac)}
@media(min-width:700px){.shopbtn{display:inline-block}.sfab{display:none}}
@media(max-width:699px){.readbtn{margin-left:auto}}