/* IA Apps · giao diện cửa hàng · tông "Studio Ink": giấy ấm, mực đen, xanh thẫm, cam tín hiệu */
:root{
  --bg:#F4F3EE;--bg-2:#EAE8E0;--card:#FFFFFF;--ink:#17181C;--ink-2:#55575E;--ink-3:#8A8C93;--line:#E3E1D8;
  --brand:#0F4C45;--brand-2:#16695F;--brand-soft:#DDEDE8;--on-brand:#FFFFFF;
  --pop:#D9642B;--pop-soft:#FBE6DA;--good:#2F7A3E;--good-soft:#E0EFE1;--warn:#A96E12;--warn-soft:#F7EACB;
  --bad:#B4412F;--bad-soft:#F6DED7;--info:#2F5E96;--info-soft:#DCE6F2;
  --side:#121417;--side-ink:#E6E6E2;--side-ink-2:#9A9CA3;--side-hover:#1E2126;
  --shadow:0 1px 2px rgba(23,24,28,.05),0 8px 24px rgba(23,24,28,.06);--radius:14px;
  --head:"Space Grotesk","Be Vietnam Pro",system-ui,sans-serif;
  --body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  /* bí danh cho trang quản trị (admin.css dùng tên cũ) */
  --paper:var(--bg);--paper-2:var(--bg-2);--moss:var(--brand);--moss-2:var(--brand-2);--moss-soft:var(--brand-soft);--on-moss:var(--on-brand);--wood:var(--pop);--wood-soft:var(--pop-soft);--hand:var(--head);
  color-scheme:light;
}
*{box-sizing:border-box}[hidden]{display:none!important}
html,body{background:var(--bg);margin:0}
body{color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
input[type=checkbox],input[type=radio]{width:auto}
select{-webkit-appearance:none;appearance:none;min-height:42px;padding-right:34px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%2355575E' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
h1,h2,h3,h4{margin:0;text-wrap:balance;font-family:var(--head);letter-spacing:-.01em}
.hand{font-family:var(--head);font-weight:700}
.num{font-variant-numeric:tabular-nums}.muted{color:var(--ink-2)}.tiny{font-size:12px;color:var(--ink-3)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace}

/* buttons & chips */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;border-radius:999px;padding:11px 20px;font-weight:600;font-size:14px;text-decoration:none;background:var(--ink);color:#fff;transition:transform .15s,background .15s;white-space:nowrap}
.btn:hover{background:#2A2D34}.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.off{opacity:.5;cursor:not-allowed;pointer-events:none}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}.btn.ghost:hover{background:var(--bg-2)}
.btn.sm{padding:7px 13px;font-size:13px}.btn.lg{padding:14px 24px;font-size:15px}.btn.sq{border-radius:10px}.btn.wood,.btn.pop{background:var(--pop);color:#fff}.btn.bad{background:var(--bad)}.btn.brand{background:var(--brand)}
.chip{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--bg-2);color:var(--ink-2);white-space:nowrap}
.chip.good{background:var(--good-soft);color:var(--good)}.chip.warn{background:var(--warn-soft);color:var(--warn)}.chip.bad{background:var(--bad-soft);color:var(--bad)}.chip.info{background:var(--info-soft);color:var(--info)}.chip.moss,.chip.brand{background:var(--brand-soft);color:var(--brand)}.chip.pop{background:var(--pop-soft);color:var(--pop)}
.chip i{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}
.soon{display:inline-flex;align-items:center;font-size:10.5px;font-weight:700;letter-spacing:.02em;padding:2px 7px;border-radius:999px;background:var(--pop-soft);color:var(--pop);white-space:nowrap;vertical-align:middle}
.is-soon{opacity:.55;cursor:not-allowed}
.ico{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ico.sm{width:15px;height:15px}
.link{color:var(--brand);font-weight:600;text-decoration:none;font-size:14px;display:inline-flex;align-items:center;gap:6px;background:none;border:0;cursor:pointer;padding:0}
.link:hover{text-decoration:underline}.link .ico{width:17px;height:17px}.link.tiny{font-size:12px}

/* header */
.store-wrap{max-width:1200px;margin:0 auto;padding-inline:24px}
.s-head{position:sticky;top:0;z-index:20;background:rgba(244,243,238,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.s-head .store-wrap{display:flex;align-items:center;gap:24px;min-height:70px;position:relative}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:0}
.logo svg{width:34px;height:34px;flex:none}
.logo b{font-family:var(--head);font-size:20px;line-height:1;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:-.02em}
.logo small{display:block;font-size:10.5px;color:var(--ink-2);letter-spacing:.02em;margin-top:2px;white-space:nowrap}
.s-nav{display:flex;gap:18px;margin-left:auto;margin-right:auto}
.s-nav a{text-decoration:none;font-size:13.5px;font-weight:500;color:var(--ink-2);padding:6px 0;border-bottom:2px solid transparent;white-space:nowrap}
.s-nav a.on,.s-nav a:hover{color:var(--ink);border-color:var(--pop)}
.s-tools{display:flex;align-items:center;gap:14px}
.icon-btn{position:relative;background:none;border:0;cursor:pointer;padding:6px;border-radius:8px;display:grid;place-items:center;color:var(--ink);text-decoration:none}
.icon-btn:hover{background:var(--bg-2)}
.badge{position:absolute;top:0;right:-2px;min-width:17px;height:17px;border-radius:9px;background:var(--pop);color:#fff;font-size:10.5px;font-weight:700;display:grid;place-items:center;padding:0 4px}
.menu-btn{display:none}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:2px;background:var(--card)}
.lang button{border:0;background:none;padding:4px 8px;white-space:nowrap;border-radius:999px;font-size:12px;font-weight:700;cursor:pointer;color:var(--ink-2)}
.lang button.on{background:var(--ink);color:#fff}
.lang-m,.m-only{display:none!important}

main{min-height:60vh}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;padding-block:44px 24px}
.hero .eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);font-weight:700}
.hero h1{font-size:clamp(40px,5.2vw,66px);line-height:1.02;margin:12px 0 18px;color:var(--ink);letter-spacing:-.03em;font-weight:700}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;z-index:0}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:var(--pop-soft);z-index:-1;border-radius:4px}
.hero p{max-width:52ch;color:var(--ink-2);font-size:16px;margin:0 0 24px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-img{position:relative}
.hero-img img{width:100%;display:block;border-radius:24px;border:1px solid var(--line)}
.hero-art{width:100%;height:auto;display:block}
.hero-art .hw{filter:drop-shadow(0 10px 24px rgba(23,24,28,.08))}
.stats{position:absolute;left:18px;bottom:14px;display:flex;gap:8px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 12px;display:flex;align-items:baseline;gap:6px;box-shadow:var(--shadow)}
.stat b{font-family:var(--head);font-size:20px}.stat span{font-size:12px;color:var(--ink-2)}
.perks{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px}
.perk{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--ink-2);line-height:1.3}
.perk .ico{width:26px;height:26px;color:var(--brand)}

/* 4 loại sản phẩm */
.kinds{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:10px}
.kind{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;text-decoration:none;transition:border-color .15s,transform .15s}
.kind:hover{border-color:var(--ink);transform:translateY(-2px)}
.kind .ki{width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center}
.kind:nth-child(2) .ki{background:var(--pop-soft);color:var(--pop)}.kind:nth-child(3) .ki{background:var(--bg-2);color:var(--ink)}.kind:nth-child(4) .ki{background:var(--info-soft);color:var(--info)}
.kind b{display:block;font-size:14.5px}.kind small{display:block;font-size:12px;color:var(--ink-2);line-height:1.35}
.kind .ar{color:var(--ink-3)}

/* sections */
.sec{padding-block:44px}
.sec-title{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.sec-title h2{font-size:32px;font-weight:700;line-height:1.1;letter-spacing:-.025em}
.sec-title h2+p{margin:6px 0 0;color:var(--ink-2);font-size:14px}
.how-band{background:var(--ink);color:#F4F3EE;position:relative;overflow:hidden}
.how-band .sec-title h2{color:#fff}.how-band .sec-title p{color:#B8BAC0}
.how{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.how>div{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:20px;position:relative}
.how .n{font-family:var(--head);font-size:12px;color:#B8BAC0;letter-spacing:.1em;position:absolute;right:16px;top:16px}
.how .ico{width:28px;height:28px;color:var(--pop);margin-bottom:12px}
.how h3{font-size:16px;font-weight:700;margin-bottom:6px;color:#fff}
.how p{margin:0;font-size:13.5px;color:#C9CBD0;line-height:1.5}
.demo-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:26px;align-items:center;margin-top:34px}
.demo-side h3{font-size:26px;margin:10px 0 6px;color:#fff}.demo-side .muted{color:#C9CBD0}.demo-side .btn{margin-top:14px;background:#fff;color:var(--ink)}

/* product cards */
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:var(--card);border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;text-decoration:none;transition:transform .2s,box-shadow .2s}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.pcard .thumb{aspect-ratio:16/10;position:relative;background:var(--bg-2);overflow:hidden}
.pcard .thumb>img,.pcard .thumb>svg{width:100%;height:100%;object-fit:cover;display:block}
.pcard .flag{position:absolute;top:10px;right:10px;background:var(--pop);color:#fff;font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:6px;letter-spacing:.04em}
.pcard .vid{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.65);color:#fff}
.kchip{position:absolute;left:10px;top:10px;display:inline-flex;align-items:center;gap:5px;background:rgba(255,255,255,.9);color:var(--ink);font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px;backdrop-filter:blur(4px)}
.pcard .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.pcard .cat{font-size:11.5px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.pcard h3{font-size:16px;font-weight:700;line-height:1.3}
.pcard p{margin:0;font-size:13px;color:var(--ink-2);line-height:1.45;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.pcard .foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;gap:8px}
.price{font-weight:700;color:var(--ink);font-size:17px;font-family:var(--head)}.price.free{color:var(--good)}.price.svc{color:var(--brand);font-size:14px}
.price small{font-weight:500;color:var(--ink-3);font-size:12px;margin-left:2px;font-family:var(--body)}.price .from{margin:0 2px 0 0}

/* dải cuối trang chủ */
.band-2{display:grid;grid-template-columns:1fr 1.3fr;gap:20px;padding-block:10px 50px}
.lic-band{background:var(--brand);color:#fff;border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden}
.lic-band .ico{width:34px;height:34px;color:#fff}
.lic-band h3{font-size:22px;color:#fff}.lic-band p{margin:6px 0 0;color:#CFE3DD;font-size:14px}
.keyart{margin-top:auto;background:rgba(255,255,255,.1);border:1px dashed rgba(255,255,255,.4);border-radius:10px;padding:10px 14px;font-size:17px;letter-spacing:1px;font-weight:700}
.custom-band{position:relative;border-radius:18px;overflow:hidden;min-height:240px;display:flex;align-items:center;background:var(--bg-2);border:1px solid var(--line)}
.custom-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.custom-band::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(234,232,224,.97) 0%,rgba(234,232,224,.8) 50%,rgba(234,232,224,.2) 100%);z-index:1}
.custom-band .in{position:relative;z-index:2;padding:30px 34px;max-width:560px}
.custom-band h2{font-size:30px;line-height:1.1}
.custom-band p{color:var(--ink-2);margin:10px 0 18px}
.svc-links{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px}.svc-links a{font-size:13px;font-weight:600;color:var(--brand);text-decoration:none}

/* video demo */
.player{position:relative;border-radius:var(--radius);overflow:hidden;background:#111;aspect-ratio:16/9;box-shadow:var(--shadow);color:#fff}
.player .poster{position:absolute;inset:0}
.player .poster img,.player .poster svg{width:100%;height:100%;object-fit:cover;display:block}
.player::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.65),rgba(0,0,0,0) 45%);pointer-events:none}
.player .pbtn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;width:74px;height:74px;border-radius:50%;border:2px solid rgba(255,255,255,.85);background:rgba(20,20,20,.45);backdrop-filter:blur(4px);display:grid;place-items:center;cursor:pointer;color:#fff;transition:transform .2s}
.player .pbtn:hover{transform:translate(-50%,-50%) scale(1.06)}
.player .pbtn svg{width:30px;height:30px;fill:#fff;stroke:none;margin-left:4px}
.player .pmeta{position:absolute;left:18px;right:18px;bottom:14px;z-index:2;display:flex;justify-content:space-between;gap:10px;font-weight:700;font-size:15px}
.player .live{position:absolute;top:14px;left:14px;z-index:2;background:var(--pop);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px}
.player .nov{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;background:rgba(0,0,0,.55);padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;white-space:nowrap}
.player video{position:absolute;inset:0;width:100%;height:100%;background:#000;z-index:3}
.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:3}
.video-feature{display:grid;grid-template-columns:1.6fr 1fr;gap:26px;align-items:center;margin-block:10px 26px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}
.video-feature h2{font-size:28px;margin:10px 0 6px}

/* page heads, listing */
.page-head{padding-block:34px 10px}
.page-head h1{font-size:36px;font-weight:700;letter-spacing:-.03em}
.page-head p{margin:6px 0 0;color:var(--ink-2)}
.page-head .greet{font-family:var(--head);font-size:30px;margin:0;color:var(--brand);font-weight:700}
.crumbs{font-size:13px;color:var(--ink-3);margin-bottom:10px}
.crumbs a{text-decoration:none;color:var(--ink-2)}
.listing{display:grid;grid-template-columns:240px 1fr;gap:30px;padding-block:20px 50px}
.filters{display:flex;flex-direction:column;gap:22px;position:sticky;top:90px;align-self:start}
.filters h4{font-size:13px;margin-bottom:8px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3)}
.filters label{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-2);padding:4px 0;cursor:pointer}
.filters input[type=checkbox]{accent-color:var(--brand);width:16px;height:16px;padding:0}
.filters .count{margin-left:auto;font-size:12px;color:var(--ink-3)}
.sbox input{border-radius:999px;padding-left:16px}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-content:start}
.list-bar{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--ink-2)}
.litem{background:var(--card);border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;display:grid;grid-template-columns:110px 1fr;gap:12px;text-decoration:none;padding:10px}
.litem .lth{aspect-ratio:4/3;background:var(--bg-2);border-radius:8px;overflow:hidden;display:block}
.litem .lth>img,.litem .lth>svg{width:100%;height:100%;object-fit:cover;display:block}
.litem .lb{display:flex;flex-direction:column;gap:4px;font-size:13px}
.litem h3{font-size:14.5px}
.svc-list{display:flex;flex-direction:column;gap:10px}

/* detail */
.detail{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;padding-block:10px 30px}
.gal-main{border-radius:16px;overflow:hidden;aspect-ratio:16/10;background:var(--bg-2);border:1px solid var(--line)}
.gal-main img,.gal-main svg{width:100%;height:100%;object-fit:cover;display:block}
.gal-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:10px}
.gal-thumbs button{border:2px solid transparent;border-radius:8px;overflow:hidden;padding:0;cursor:pointer;aspect-ratio:16/10;background:var(--bg-2)}
.gal-thumbs button.on{border-color:var(--ink)}
.gal-thumbs img,.gal-thumbs svg{width:100%;height:100%;object-fit:cover;display:block}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.dinfo h1{font-size:34px;font-weight:700;letter-spacing:-.03em;line-height:1.1}
.dinfo .sub{color:var(--ink-2);margin:10px 0 14px;font-size:15.5px}
.lbl{font-size:13px;display:block;margin-top:18px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3)}
.opts{display:flex;flex-direction:column;gap:8px;margin:10px 0 18px}
.opt{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;background:var(--card)}
.opt:has(input:checked){border-color:var(--ink);background:var(--bg)}
.opt input{accent-color:var(--ink);padding:0}
.opt b{display:block;font-size:14px}.opt span span{font-size:12.5px;color:var(--ink-2)}
.opt .price{font-size:16px}
.buyrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.meta-dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:10px 0 0;font-size:14px}
.meta-dl dt{color:var(--ink-3)}.meta-dl dd{margin:0;font-weight:500}
.svc-box{margin-top:18px;background:var(--brand-soft);border-radius:16px;padding:18px 20px;display:flex;flex-direction:column;gap:12px}
.svc-box>b{color:var(--brand)}
.checks{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--ink-2)}
.checks li{display:flex;gap:8px}
.checks .ico{color:var(--brand);width:18px;height:18px;margin-top:2px}
.dtabs{display:flex;gap:26px;border-bottom:1px solid var(--line);margin-top:10px;overflow-x:auto}
.dtabs button{background:none;border:0;border-bottom:2px solid transparent;padding:10px 0;cursor:pointer;color:var(--ink-2);font-weight:600;font-size:14px;white-space:nowrap}
.dtabs button.on{color:var(--ink);border-color:var(--pop)}
.tab-body{padding-block:22px 10px;max-width:760px}
.tab-body p{margin:0 0 12px}
.isteps{counter-reset:s;list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.isteps li{counter-increment:s;display:grid;grid-template-columns:30px 1fr;gap:10px}
.isteps li::before{content:counter(s);width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;display:grid;place-items:center;font-size:13px;font-family:var(--head)}
.dlrow{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;background:var(--bg);border:1px solid var(--line);border-radius:10px;margin-top:8px;flex-wrap:wrap}

/* đặt làm app */
.custom{display:grid;grid-template-columns:1.2fr .9fr;gap:30px;padding-block:10px 50px;align-items:start}
.fg2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* cart & checkout */
.cart{display:grid;grid-template-columns:1fr 380px;gap:30px;padding-block:10px 40px;align-items:start}
.citem{display:grid;grid-template-columns:96px 1fr auto;gap:16px;align-items:center;background:var(--card);border-radius:12px;padding:12px;border:1px solid var(--line)}
.citem .thumb{aspect-ratio:16/10;border-radius:8px;overflow:hidden;background:var(--bg-2)}
.citem .thumb img,.citem .thumb svg{width:100%;height:100%;object-fit:cover;display:block}
.citem select{padding:5px 30px 5px 8px;font-size:13px;margin-top:6px;min-height:0;width:auto}
.summary{background:var(--card);border-radius:14px;padding:20px;border:1px solid var(--line);display:flex;flex-direction:column;gap:12px;position:sticky;top:90px}
.srow{display:flex;justify-content:space-between;gap:10px;font-size:14px}
.srow.total{font-size:18px;font-weight:700;border-top:1px solid var(--line);padding-top:12px}
.paym{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.paym label{border:1.5px solid var(--line);border-radius:10px;padding:10px;font-size:13px;font-weight:600;cursor:pointer;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.paym label:has(input:checked){border-color:var(--ink);background:var(--bg)}
.paym input{accent-color:var(--ink);padding:0}
.form-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.form-row input{flex:1;min-width:120px;width:auto}
.empty{text-align:center;padding:50px 20px;background:var(--card);border-radius:14px;border:1px solid var(--line)}
.empty .big{font-family:var(--head);font-size:26px;font-weight:700;margin:0 0 14px}
.form{display:flex;flex-direction:column;gap:12px}
.form label{font-size:13px;font-weight:600;color:var(--ink-2);display:flex;flex-direction:column;gap:5px}
.check{flex-direction:row!important;align-items:flex-start;gap:8px!important;font-weight:400!important}
.check input{margin-top:3px;accent-color:var(--ink)}
.card{background:var(--card);border-radius:14px;border:1px solid var(--line);padding:20px}

/* order / payment */
.ostep{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 18px}
.ostep span{font-size:12.5px;padding:4px 10px;border-radius:999px;background:var(--bg-2);color:var(--ink-3)}
.ostep span.on{background:var(--ink);color:#fff}.ostep span.done{background:var(--good-soft);color:var(--good)}
.paybox{display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:start}
.qr{background:#fff;border-radius:14px;padding:16px;text-align:center;border:1px solid var(--line)}.qr svg{width:100%;height:auto;display:block}
.bank{display:flex;flex-direction:column;gap:10px}
.kv{display:grid;grid-template-columns:150px 1fr auto;gap:10px;align-items:center;padding:10px 12px;background:var(--card);border:1px solid var(--line);border-radius:10px}
.kv b{font-size:16px}
.copy{border:1px solid var(--line);background:var(--card);border-radius:8px;padding:5px 10px;font-size:12px;cursor:pointer}
.alert{padding:12px 14px;border-radius:10px;font-size:14px}
.alert.info{background:var(--info-soft);color:var(--info)}.alert.good{background:var(--good-soft);color:var(--good)}.alert.warn{background:var(--warn-soft);color:var(--warn)}.alert.bad{background:var(--bad-soft);color:var(--bad)}

/* account */
.acct{display:grid;grid-template-columns:220px 1fr;gap:30px;padding-block:10px 40px}
.acct-nav{display:flex;flex-direction:column;gap:2px}
.acct-nav a,.acct-nav button{text-align:left;background:none;border:0;padding:10px 12px;border-radius:8px;cursor:pointer;font-weight:500;color:var(--ink-2);text-decoration:none;display:flex;justify-content:space-between;align-items:center;gap:8px}
.acct-nav .on{background:var(--bg-2);color:var(--ink);font-weight:700}
.ocard{background:var(--card);border-radius:12px;padding:16px 18px;border:1px solid var(--line)}
.ocard.lic{border-color:var(--brand);background:linear-gradient(180deg,#fff,var(--brand-soft) 160%)}
.lic-top{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center}
.lic-code{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:10px 0}
.lic-code b{font-size:22px;color:var(--brand);letter-spacing:1px}
.lic-items .dlrow{background:#fff}
.lic-card{background:var(--card);border-radius:12px;padding:16px 18px;border:1px solid var(--line);display:grid;grid-template-columns:64px 1fr auto;gap:16px;align-items:center}
.lic-card .thumb{width:64px;height:64px;border-radius:10px;overflow:hidden;background:var(--bg-2)}
.lic-card .thumb img,.lic-card .thumb svg{width:100%;height:100%;object-fit:cover}
.prose{max-width:720px}.prose h2{margin:22px 0 8px;font-size:18px}

/* footer */
.s-foot{background:var(--side);color:var(--side-ink);margin-top:40px}
.s-foot .store-wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:30px;padding-block:44px 24px}
.s-foot h4{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--side-ink-2);margin-bottom:12px;font-family:var(--body)}
.s-foot a{display:flex;align-items:center;gap:6px;text-decoration:none;color:var(--side-ink);font-size:14px;padding:3px 0}
.s-foot .logo b{color:#fff}.s-foot .logo small{color:var(--side-ink-2)}.s-foot .logo svg rect{fill:#2A2D34}
.f-about{font-size:14px;color:#B8BAC0;margin:14px 0 0;max-width:36ch}
.s-foot .copy{grid-column:1/-1;border:0;border-top:1px solid rgba(255,255,255,.12);border-radius:0;background:none;cursor:default;padding:16px 0 0;display:flex;justify-content:space-between;font-size:12px;color:var(--side-ink-2);flex-wrap:wrap;gap:8px}
.s-foot .copy a{display:inline}
.btn[data-soon]{opacity:.6}

.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;opacity:0;transition:.25s;z-index:60;pointer-events:none;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:1100px){
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .list-grid{grid-template-columns:repeat(2,1fr)}
  .kinds,.how{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1180px){.logo small{display:none}.s-head .store-wrap{gap:16px}}
@media (max-width:980px){
  .s-nav{display:none}
  .s-nav.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 24px}
  .menu-btn{display:grid}
  .s-tools{margin-left:auto}
  .s-tools .lang{display:none}
  .s-nav.open .lang-m{display:inline-flex!important;align-self:flex-start;margin:10px 0 6px}
  .s-nav.open .m-only{display:block!important}
  .hero,.detail,.cart,.acct,.demo-wrap,.video-feature,.paybox,.band-2,.custom{grid-template-columns:1fr}
  .hero-img{order:-1}
  .listing{grid-template-columns:1fr}
  .filters{position:static;flex-direction:row;flex-wrap:wrap;gap:16px}
  .filters .sbox{width:100%}
  .s-foot .store-wrap{grid-template-columns:1fr 1fr}
  .summary{position:static}
  .paybox .qr{max-width:320px}
}
@media (max-width:560px){
  .store-wrap{padding-inline:16px}
  .s-head .store-wrap{gap:10px}
  .logo b{font-size:17px}.logo small{display:none}
  .s-tools .btn.sm{display:none}
  .grid-cards,.list-grid,.kinds,.how,.fg2{grid-template-columns:1fr}
  .s-foot .store-wrap{grid-template-columns:1fr}
  .custom-band .in{padding:22px}.custom-band h2{font-size:26px}
  .sec-title h2{font-size:26px}
  .kv{grid-template-columns:1fr auto}.kv span:first-child{grid-column:1/-1}
  .citem{grid-template-columns:72px 1fr}.citem>div:last-child{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center}
  .lic-card{grid-template-columns:48px 1fr}.lic-card .thumb{width:48px;height:48px}.lic-card>:last-child{grid-column:1/-1}
  .gal-thumbs{grid-template-columns:repeat(4,1fr)}
  .stats{position:static;margin-top:10px;flex-wrap:wrap}
  .hero{padding-top:20px}
  .btn.lg{padding:12px 18px;font-size:14px}
  .buyrow .btn{flex:1}
}
@media (max-width:400px){.logo>span{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* nút quản trị nổi (chỉ máy của admin) */
.s-foot .adm-link{color:inherit;opacity:.55;text-decoration:none}
.s-foot .adm-link:hover{opacity:1;text-decoration:underline}
.adm{position:fixed;left:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:55;display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.adm-btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;background:var(--brand);color:#fff;font:600 14px/1 inherit;font-family:inherit;padding:12px 16px;border-radius:999px;box-shadow:0 8px 24px rgba(23,24,28,.28)}
.adm-btn svg{width:18px;height:18px}
.adm-btn:hover{filter:brightness(1.1)}
.adm-menu{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 16px 40px rgba(23,24,28,.18);padding:10px;min-width:220px;display:flex;flex-direction:column}
.adm-menu[hidden]{display:none!important}
.adm-menu b{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);padding:4px 10px 8px}
.adm-menu a,.adm-menu button{display:block;text-align:left;padding:9px 10px;border-radius:10px;color:var(--ink);text-decoration:none;font:500 14px/1.3 inherit;font-family:inherit;background:none;border:0;cursor:pointer}
.adm-menu a:hover,.adm-menu button:hover{background:var(--bg-2)}
.adm-menu a.hl{background:var(--brand-soft);color:var(--brand);font-weight:600;margin-bottom:4px}
.adm-menu button{color:var(--ink-3);font-size:12px;border-top:1px solid var(--line);border-radius:0;margin-top:6px;padding-top:10px}
@media (max-width:440px){.adm-btn span{display:none}.adm-btn{padding:13px}}

/* ===== mega menu theo ngành nghề ===== */
.nav-item{position:relative;display:flex;align-items:center}
.mega{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%);width:min(880px,calc(100vw - 32px));background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 50px rgba(23,24,28,.14);padding:18px 20px;z-index:30}
.mega::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}
.mhead{display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:700;margin-bottom:12px}
.mhead a{display:inline-flex;align-items:center;gap:4px;text-decoration:none;color:var(--brand);text-transform:none;letter-spacing:0;font-size:13px}
.mgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px}
.mcol b{display:block;font-size:13px;margin-bottom:6px;color:var(--ink)}
.mcol a{display:flex;align-items:center;gap:7px;text-decoration:none;font-size:13px;color:var(--ink-2);padding:5px 6px;margin:0 -6px;border-radius:8px;line-height:1.3}
.mcol a:hover{background:var(--bg);color:var(--ink)}
.mcol a .ico{color:var(--ink-3)}.mcol a i{font-style:normal;font-size:10px;padding:1px 6px;margin-left:auto}
.mcol a.more{color:var(--brand);font-weight:600}
.nav-item>a[data-nav]{position:relative}
@media (max-width:980px){.nav-item{flex-direction:column;align-items:stretch}.mega{position:static;transform:none;width:auto;box-shadow:none;border:0;border-left:2px solid var(--line);border-radius:0;padding:4px 0 10px 14px;margin:0 0 6px}.mega::before{display:none}.mgrid{grid-template-columns:1fr 1fr;gap:10px}.mhead{display:none}}

/* 6 ô loại sản phẩm */
.kinds.six{grid-template-columns:repeat(3,1fr)}
.kind .ki.k-app{background:var(--brand-soft);color:var(--brand)}.kind .ki.k-skill{background:#E9E4F7;color:#4B3D8F}.kind .ki.k-prompt{background:#DDF0EE;color:#1C5F5A}.kind .ki.k-excel{background:#DFF2E5;color:#1E6B3F}.kind .ki.k-free{background:var(--pop-soft);color:var(--pop)}.kind .ki.k-service{background:var(--info-soft);color:var(--info)}
@media (max-width:1100px){.kinds.six{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.kinds.six{grid-template-columns:1fr}}

/* hướng dẫn theo AI */
.aitabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.aitabs button{border:1.5px solid var(--line);background:var(--card);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;cursor:pointer;color:var(--ink-2)}
.aitabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.gfor{font-size:18px;margin:0 0 10px}
.gblk{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.gblk>div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.gblk h4{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.gblk p{margin:0;font-size:14px;white-space:pre-line}
@media (max-width:700px){.gblk{grid-template-columns:1fr}}