/* Layout: một cột dọc cho điện thoại; "thang gu" Arabica → Robusta là trục chính nối các phần với nhau */
:root{
  --bg:#F5EEE3; --paper:#FFFBF5; --ink:#2B1B12; --muted:#76604F; --line:#E3D5C3;
  --red:#D23F27; --red-ink:#FFFFFF; --green:#17633A; --green-bg:#E6F4EA; --kraft:#B98A57; --roast:#5A3420; --soft:#EFE3D2;
  --display:"Fraunces", Georgia, "Times New Roman", serif;
  --body:"Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#16100C; --paper:#211913; --ink:#F2E7D9; --muted:#B49D88; --line:#3A2D23;
  --red:#F06A4F; --red-ink:#1A0E09; --green:#6FD39A; --green-bg:#16301F; --kraft:#D2A570; --roast:#E2B48E; --soft:#2A2019; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#16100C; --paper:#211913; --ink:#F2E7D9; --muted:#B49D88; --line:#3A2D23;
  --red:#F06A4F; --red-ink:#1A0E09; --green:#6FD39A; --green-bg:#16301F; --kraft:#D2A570; --roast:#E2B48E; --soft:#2A2019; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
/* ảnh infographic có chữ: hiện trọn khung; ảnh mockup: được phép cắt nhẹ */
.fit-contain{object-fit:contain!important;background:var(--soft)}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.12;text-wrap:balance;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,4.5vw,2.5rem)}
p{margin:0}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--red);outline-offset:2px;border-radius:6px}
.wrap{max-width:1080px;margin:0 auto;padding-inline:18px}
.eyebrow{font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--red)}
.lede{color:var(--muted);max-width:60ch}
section{padding-block:56px}
.num{font-variant-numeric:tabular-nums}

/* top bar */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;gap:16px;height:60px}
.logo{white-space:nowrap;font-family:var(--display);font-weight:700;font-size:1.35rem;letter-spacing:.04em;text-decoration:none;color:var(--red)}
.logo small{font-family:var(--body);font-size:.7rem;font-weight:500;color:var(--muted);letter-spacing:.1em;margin-left:4px}
.nav{display:flex;gap:18px;margin-left:auto;font-size:.92rem}
.nav a{text-decoration:none;color:var(--muted);white-space:nowrap}
.nav a:hover{color:var(--ink)}
.cartbtn{display:flex;align-items:center;gap:8px;background:var(--ink);color:var(--bg);border:0;border-radius:999px;padding:8px 14px;font-weight:600;font-size:.9rem;text-decoration:none}
.cartbtn b{background:var(--red);color:var(--red-ink);border-radius:999px;min-width:22px;height:22px;display:grid;place-items:center;font-size:.78rem}
@media (max-width:980px){.nav{gap:12px;font-size:.86rem}}
@media (max-width:860px){.nav{display:none}.cartbtn{margin-left:auto}}

/* hero */
.hero{padding-block:36px 48px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.hero h1{font-size:clamp(2.3rem,6.6vw,4.2rem)}
.hero h1 em{font-style:italic;color:var(--red)}
.hero .lede{margin-top:16px;font-size:1.08rem}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.facts span{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:5px 12px;font-size:.85rem}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-weight:600;text-decoration:none;border:1.5px solid var(--ink);background:transparent}
.btn.primary{background:var(--red);border-color:var(--red);color:var(--red-ink)}
.btn:hover{transform:translateY(-1px)}
.hero-art{position:relative;max-width:520px;width:100%;justify-self:end}
.hero-art img{border-radius:22px;aspect-ratio:1;object-fit:cover;width:100%}
.price-tag{position:absolute;left:14px;bottom:14px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:10px 14px;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.price-tag small{display:block;color:var(--muted);font-size:.78rem}
.price-tag strong{font-family:var(--display);font-size:1.4rem}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr;gap:24px}.hero-art{justify-self:center;max-width:460px}.hero-art img{aspect-ratio:4/3;object-position:50% 45%}}

/* gu scale — signature */
.scale-sec{background:var(--paper);border-block:1px solid var(--line)}
.scale-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:end}
.scale{position:relative;margin-top:44px;padding-bottom:8px}
.track{height:14px;border-radius:999px;background:linear-gradient(90deg,#C99A62,#8A5532 55%,#3B2116)}
.ends{display:flex;justify-content:space-between;margin-top:52px;font-size:.85rem;color:var(--muted)}
.ends b{display:block;color:var(--ink);font-size:.95rem}
.ends div:last-child{text-align:right}
.pins{position:absolute;inset:0 0 auto 0;height:14px}
.pin{position:absolute;top:50%;transform:translate(-50%,-50%);width:26px;height:26px;border-radius:50%;background:var(--paper);border:3px solid var(--ink);padding:0}
.pin.on{background:var(--red);border-color:var(--red)}
.pin span{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);white-space:nowrap;font-size:.8rem;font-weight:600;background:var(--ink);color:var(--bg);padding:3px 8px;border-radius:6px}
.pin.low span{bottom:auto;top:32px}
.pin.edge-r span{left:auto;right:0;transform:none}
.pin.edge-l span{left:0;transform:none}

/* product chooser */
.tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-top:24px;scrollbar-width:thin}
.tab{flex:0 0 auto;border:1.5px solid var(--line);background:var(--paper);border-radius:999px;padding:8px 16px;font-weight:600;font-size:.92rem}
.tab[aria-selected="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.prod{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:26px;align-items:start}
.prod>*{min-width:0}
.gallery{max-width:520px;width:100%}
.gallery .big{border-radius:18px;aspect-ratio:1;object-fit:contain;width:100%;background:var(--soft)}
.thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:10px}
.thumbs button{padding:0;border:2px solid transparent;border-radius:10px;overflow:hidden;background:none}
.thumbs button[aria-current="true"]{border-color:var(--red)}
.thumbs img{aspect-ratio:1;object-fit:contain;width:100%;background:var(--soft)}
.p-name{font-size:clamp(1.9rem,4.6vw,2.7rem)}
.p-tag{margin-top:8px;color:var(--muted)}
.mix{margin-top:18px}
.mixbar{display:flex;height:10px;border-radius:999px;overflow:hidden;background:var(--soft)}
.mixbar i{display:block}
.mixbar .a{background:var(--kraft)}.mixbar .r{background:var(--roast)}
.mixlbl{display:flex;justify-content:space-between;font-size:.82rem;color:var(--muted);margin-top:6px}
.specs{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;margin:20px 0 0;font-size:.95rem}
.specs dt{color:var(--muted)}
.specs dd{margin:0;font-weight:500}
.opt{margin-top:22px}
.opt-label{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1.5px solid var(--line);background:var(--paper);border-radius:12px;padding:9px 14px;text-align:left;line-height:1.25}
.chip small{display:block;color:var(--muted);font-size:.8rem}
.chip[aria-pressed="true"]{border-color:var(--red);box-shadow:inset 0 0 0 1px var(--red)}
.chip[aria-pressed="true"] small{color:var(--red)}
.buy{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px dashed var(--line)}
.qty{display:flex;align-items:center;border:1.5px solid var(--line);border-radius:12px;background:var(--paper)}
.qty button{border:0;background:none;width:40px;height:44px;font-size:1.2rem}
.qty output{min-width:28px;text-align:center;font-weight:600}
.total{font-family:var(--display);font-size:1.6rem;margin-right:auto}
.added{font-size:.88rem;color:var(--red);font-weight:600;min-height:1.4em;margin-top:8px}
@media (max-width:820px){.prod{grid-template-columns:1fr}}

/* quiz */
.quiz{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:26px}
.quiz>*{min-width:0}
.q{display:grid;gap:18px}
.result{background:var(--ink);color:var(--bg);border-radius:20px;padding:22px;display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:center}
.result img{border-radius:14px;aspect-ratio:1;object-fit:contain;background:var(--soft);width:100%}
.result small{color:color-mix(in srgb,var(--bg) 70%,transparent)}
.result h3{font-size:1.6rem;margin:4px 0 6px}
.result .btn{border-color:var(--bg);color:var(--bg);padding:9px 14px;margin-top:12px}
@media (max-width:820px){.quiz{grid-template-columns:1fr}}
@media (max-width:420px){.result{grid-template-columns:1fr}.result img{max-width:160px}}

/* brew & grind */
.duo{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.duo figure{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.duo img{aspect-ratio:1;object-fit:contain;width:100%;background:var(--soft)}
.duo figcaption{padding:14px 16px 18px;font-size:.93rem;color:var(--muted)}
.duo figcaption b{display:block;color:var(--ink);font-size:1rem;margin-bottom:2px}
@media (max-width:820px){.duo{grid-template-columns:1fr;max-width:460px}}

/* price table */
.tablewrap{overflow-x:auto;margin-top:22px;border:1px solid var(--line);border-radius:16px;background:var(--paper)}
table{border-collapse:collapse;width:100%;min-width:480px;font-variant-numeric:tabular-nums}
th,td{padding:12px 16px;text-align:right;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
thead th{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
tbody tr:last-child td{border-bottom:0}
td:first-child{font-weight:600}

/* order */
.order{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;margin-top:26px;align-items:start}
.order>*{min-width:0}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:20px}
.line{display:grid;grid-template-columns:56px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.line:last-of-type{border-bottom:0}
.line img{border-radius:10px;aspect-ratio:1;object-fit:contain;background:var(--soft);width:56px}
.line small{display:block;color:var(--muted);font-size:.84rem}
.line .rm{border:0;background:none;color:var(--muted);font-size:.84rem;text-decoration:underline;padding:0}
.empty{color:var(--muted);padding:18px 0}
.rows{display:grid;gap:6px;margin-top:14px;font-size:.92rem;color:var(--muted)}
.rows>div{display:flex;justify-content:space-between}
.rows>.autoc{display:block}
.sum{display:flex;justify-content:space-between;align-items:baseline;margin-top:14px;padding-top:14px;border-top:2px solid var(--ink)}
.sum strong{font-family:var(--display);font-size:1.7rem}
.note{font-size:.85rem;color:var(--muted);margin-top:6px}
form{display:grid;gap:12px}
label{font-size:.85rem;font-weight:600;display:grid;gap:5px}
input,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:10px;padding:11px 12px;width:100%}
textarea{resize:vertical;min-height:70px}
.send{display:grid;gap:10px;margin-top:4px}
.send .btn{width:100%}
.msg{font-size:.88rem;min-height:1.3em}
.msg.err{color:var(--red)}
pre.preview{white-space:pre-wrap;font:500 .85rem/1.5 var(--body);background:var(--soft);border-radius:12px;padding:12px;margin:0}
.contact-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.92rem}
.contact-row code{font:600 1.05rem var(--body);letter-spacing:.03em;user-select:all}
.mini{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:4px 10px;font-size:.82rem}
@media (max-width:860px){.order{grid-template-columns:1fr}}

html{scroll-padding-top:76px}
.dock.away{opacity:0;pointer-events:none}
.dock{transition:opacity .2s}
/* checkout */
.co label{display:block;font-size:.88rem;font-weight:600;margin-bottom:12px}
.co .opt-l{font-weight:400;color:var(--muted)}
.co input:not([type=radio]),.co select,.co textarea{display:block;width:100%;margin-top:6px;font:inherit;font-size:1rem;font-weight:400;padding:11px 12px;border:1.5px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink)}
.co textarea{resize:vertical}
.co input:focus,.co select:focus,.co textarea:focus{outline:2px solid var(--red);outline-offset:1px}
.co .bad{border-color:var(--red)!important}
.pay{border:0;padding:0;margin:4px 0 16px;display:grid;gap:8px;min-width:0}
.pay legend{font-size:.88rem;font-weight:600;margin-bottom:8px;padding:0}
.co .opt{display:grid;grid-template-columns:20px 1fr;column-gap:10px;row-gap:2px;align-items:start;border:1.5px solid var(--line);border-radius:12px;padding:12px;margin:0;cursor:pointer;background:var(--paper)}
.opt input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--red)}
.opt small{grid-column:2;color:var(--muted);font-weight:400;font-size:.8rem}
.opt:has(input:checked){border-color:var(--red)}
.opt.off{opacity:.55;cursor:not-allowed}
#placeBtn{width:100%}
.alt{font-size:.85rem;color:var(--muted);margin-top:14px}
.alt a{color:var(--ink)}
.paybox{display:grid;gap:12px;margin-bottom:14px}
.paybox img{width:100%;max-width:260px;margin-inline:auto;display:block;border-radius:12px;background:#fff}
.paybox p{margin:0;font-size:.92rem}
.kv{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:8px 10px;font-size:.9rem;align-items:center;margin:0}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:600;overflow-wrap:anywhere}
.kv .cp{grid-column:3}
.cp{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:4px 9px;font-size:.78rem;cursor:pointer;color:var(--ink)}
.kv .sp{grid-column:3}
.step{font-weight:600;margin:4px 0 10px}
.step.warn{color:var(--red)}
.linkbtn{border:0;background:none;color:var(--muted);text-decoration:underline;padding:0;margin-top:10px;font:inherit;font-size:.85rem;cursor:pointer}
/* wholesale + footer */
.sale{background:linear-gradient(100deg,rgba(28,16,10,.92) 0%,rgba(28,16,10,.72) 55%,rgba(28,16,10,.45) 100%),url(img/beans-macro.webp) center 40%/cover;color:#fff;border-radius:24px;padding:28px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.sale h2{font-size:clamp(1.5rem,4vw,2.1rem)}
.sale p{opacity:.9;margin-top:6px;max-width:52ch}
.sale .btn{border-color:#fff;color:#fff}
footer{padding-block:36px 48px;color:var(--muted);font-size:.9rem;border-top:1px solid var(--line)}
footer .wrap{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:24px}
@media (max-width:720px){footer .wrap{grid-template-columns:1fr}}
footer b{color:var(--ink);display:block;margin-bottom:4px}
/* USP */
.why{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line)}
.why div{padding:22px 18px}
.why div+div{border-left:1px solid var(--line)}
.why b{display:block;font-family:var(--display);font-size:1.15rem;margin-bottom:4px}
.why span{color:var(--muted);font-size:.92rem}
@media (max-width:720px){.why{grid-template-columns:1fr}.why div+div{border-left:0;border-top:1px solid var(--line)}}
.icons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
@media (max-width:480px){.ico{padding:14px 4px}.ico svg{width:50px;height:50px}.ico b{font-size:.92rem}.ico small{font-size:.74rem}}
.ico{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding:18px 10px;border-radius:18px;background:var(--paper);border:1px solid var(--line);text-decoration:none;color:var(--ink);transition:transform .15s}
.ico:hover{transform:translateY(-2px)}
.ico svg{width:64px;height:64px}
.ico b{font-size:1rem}
.ico small{color:var(--muted);font-size:.8rem}
.sale .icons{min-width:min(100%,420px)}
.sale .ico{background:#FFFBF5;color:#2B1B12;border-color:transparent}
.sale .ico small{color:#76604F}
footer .icons{grid-template-columns:repeat(2,minmax(0,110px));gap:10px}
footer .ico{padding:12px 8px}
footer .ico svg{width:44px;height:44px}
.send-title{font-family:var(--display);font-size:1.4rem;font-weight:700;margin-bottom:14px}
@media (prefers-reduced-motion:reduce){.ico{transition:none}.ico:hover{transform:none}}
.p-usp{margin-top:10px;font-weight:600;color:var(--red);font-size:1.05rem}
.usp-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:8px}
.usp-list li{display:grid;grid-template-columns:18px 1fr;gap:8px;font-size:.95rem}
.usp-list li::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--red);margin-top:7px}
/* tags: miễn ship, giảm giá */
.badges{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.tagb{display:inline-flex;align-items:center;gap:5px;font-size:.78rem;font-weight:700;letter-spacing:.02em;padding:4px 10px;border-radius:999px}
.tagb.ship{background:var(--green-bg);color:var(--green)}
.tagb.sale{background:var(--red);color:var(--red-ink)}
:root[data-theme="dark"] .tagb.ship{background:#183A26;color:#9BE0B4}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .tagb.ship{background:#183A26;color:#9BE0B4}}
.chip s,.tablewrap s{color:var(--muted);font-weight:400;margin-right:4px}
.facts span.hl{background:var(--green-bg);color:var(--green);border-color:transparent;font-weight:600}
.buy .btn.ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
/* video in gallery */
.gallery video.big{display:block;width:100%;aspect-ratio:1;object-fit:contain;background:#140c08;border-radius:18px}
.thumbs button{position:relative}
.thumbs .play::after{content:"";position:absolute;inset:0;margin:auto;width:0;height:0;border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent;filter:drop-shadow(0 1px 3px rgba(0,0,0,.6));transform:translateX(3px)}
.thumbs .play img{filter:brightness(.75)}
/* affiliate: thẻ trượt ngang */
.aff-wrap{position:relative;margin-top:22px}
.aff{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,250px);gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:2px 2px 12px;scrollbar-width:thin;overscroll-behavior-x:contain}
.aff a{scroll-snap-align:start;display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none;color:var(--ink)}
.aff .m{position:relative;aspect-ratio:1;background:#fff}
.aff .m img,.aff .m video{width:100%;height:100%;object-fit:cover;display:block}
.aff .m .tag{position:absolute;left:8px;top:8px;background:rgba(20,12,8,.72);color:#fff;font-size:.72rem;font-weight:600;padding:3px 8px;border-radius:999px}
.aff .t{padding:12px 14px 14px;display:grid;gap:4px}
.aff b{font-size:.92rem;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.aff small{color:var(--muted);font-size:.82rem}
.aff .pr{font-weight:700;color:var(--red)}
.aff .go{color:var(--red);font-weight:600;font-size:.86rem}
.aff-nav{position:absolute;top:calc(50% - 40px);width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--paper);box-shadow:0 6px 18px rgba(0,0,0,.15);font-size:1.2rem;display:grid;place-items:center}
.aff-nav.prev{left:-12px}.aff-nav.next{right:-12px}
@media (max-width:720px){.aff-nav{display:none}.aff{grid-auto-columns:72%}}
/* facebook box */
.fbbox iframe{display:block;border:0;width:100%;max-width:340px;height:130px;border-radius:12px;overflow:hidden;background:var(--paper);margin-block:6px 10px}
/* roastery mosaic */
.roast{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:230px;grid-auto-flow:dense;gap:10px;margin-top:24px}
.roast figure.tall{grid-row:span 2}
.roast figure{margin:0;position:relative;overflow:hidden;border-radius:16px;background:var(--soft)}
.roast figure.wide{grid-column:span 2}
.roast img{width:100%;height:100%;object-fit:cover}
.roast figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 12px;background:linear-gradient(transparent,rgba(20,12,8,.78));color:#fff;font-size:.88rem;font-weight:600}
@media (max-width:720px){.roast{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:150px}.roast figure.m-wide{grid-column:span 2}.roast figcaption{font-size:.78rem;padding:22px 10px 8px}}
/* trust + policy */
.trust{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:14px;font-size:.84rem;color:var(--muted)}
.trust span::before{content:"✓ ";color:var(--red);font-weight:700}
.pol{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.pol>*{min-width:0}
details{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:0 18px}
details[open]{padding-bottom:16px}
summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:600;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.3rem;line-height:1;color:var(--red)}
details[open] summary::after{content:"−"}
details ul{margin:0;padding-left:18px;display:grid;gap:6px;color:var(--muted);font-size:.94rem}
details p{color:var(--muted);font-size:.94rem}
details b{color:var(--ink)}
.faq{display:grid;gap:10px;margin-top:24px;max-width:780px}
@media (max-width:820px){.pol{grid-template-columns:1fr}}
footer .fpol{grid-template-columns:1fr 1fr;gap:24px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
@media (max-width:720px){footer .fpol{grid-template-columns:1fr}}
footer .fh{font-size:1rem;margin-bottom:10px}
footer .pol,footer .faq{grid-template-columns:1fr;gap:8px;margin-top:0;max-width:none}
footer details{border-radius:12px;padding:0 14px}
footer details[open]{padding-bottom:12px}
footer summary{padding:12px 0;font-size:.92rem}
footer details b{display:inline;margin:0}
footer details ul,footer details p{font-size:.88rem}

/* contact */
.acts{display:grid;gap:10px}
.btn.wa{background:#1F8F55;border-color:#1F8F55;color:#fff}
.btn.zl{background:#0068FF;border-color:#0068FF;color:#fff}
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--paper);border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px));display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:8px}
.dock .buynow{background:var(--ink);color:var(--bg)}
.dock a{white-space:nowrap;display:flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;padding:10px 6px;font-weight:600;font-size:.92rem;text-decoration:none;color:#fff}
.dock .call{background:var(--red);color:var(--red-ink)}
.dock .zl{background:#0068FF}.dock .wa{background:#1F8F55}
body{padding-bottom:72px}
@media (min-width:821px){body{padding-bottom:0}footer{padding-bottom:270px}.dock{left:auto;right:20px;bottom:20px;grid-template-columns:1fr;width:170px;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 30px rgba(0,0,0,.18);padding:8px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn:hover{transform:none}}
/* combo */
.combos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px}
@media (max-width:720px){.combos{grid-template-columns:1fr}}
.combo{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:18px;display:grid;gap:10px;align-content:start}
.combo .cimg{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.combo .cimg img{aspect-ratio:1;object-fit:contain;background:var(--soft);border-radius:14px;width:100%}
.combo h3{margin:4px 0 0;font-size:1.15rem}
.combo p{margin:0;color:var(--muted);font-size:.92rem}
.combo .chips{display:flex;gap:8px;flex-wrap:wrap}
.combo .cg{font-size:.88rem;font-weight:600;display:flex;align-items:center;gap:10px}
.combo select{font:inherit;font-weight:400;padding:8px 10px;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink)}
.combo .cbtn{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.combo .added{margin:0;font-size:.85rem;min-height:1.2em}
/* khung phụ kiện cố định */
.accbar{position:fixed;z-index:29;background:var(--paper);border:2px solid var(--red);display:flex;align-items:center;gap:10px;box-shadow:0 8px 24px rgba(0,0,0,.14)}
.accbar .acc-t{flex:none;color:var(--red);font-weight:700;font-size:.78rem;line-height:1.2;text-decoration:none;text-transform:uppercase;letter-spacing:.04em}
.accbar .acc-list{display:flex;gap:8px;overflow:auto;scrollbar-width:none}
.accbar .acc-list::-webkit-scrollbar{display:none}
.accbar .acc-list a{flex:none;display:block;border-radius:10px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.accbar img{display:block;width:48px;height:48px;object-fit:cover}
.accbar .acc-x{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:1rem;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0}
.accbar.min .acc-list{display:none}
/* điện thoại: khung ngang nằm dưới thanh liên hệ */
@media (max-width:820px){
  .accbar{left:0;right:0;bottom:0;border-left:0;border-right:0;border-bottom:0;border-radius:14px 14px 0 0;padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px))}
  .accbar .acc-t{width:62px}
  .accbar .acc-list{flex:1}
  body.has-acc .dock{bottom:calc(70px + env(safe-area-inset-bottom,0px));padding-bottom:8px;border-bottom:1px solid var(--line)}
  body.has-acc{padding-bottom:142px}
  body.has-acc.acc-min .dock{bottom:calc(44px + env(safe-area-inset-bottom,0px))}
  body.has-acc.acc-min{padding-bottom:116px}
  .accbar.min{padding-top:6px;padding-bottom:calc(6px + env(safe-area-inset-bottom,0px))}
  .accbar.min .acc-t{width:auto;flex:1}
}
/* màn hình vừa: khung ngang nổi phía dưới, chừa chỗ cho thanh liên hệ bên phải */
@media (min-width:821px) and (max-width:1279px){
  .accbar{left:20px;right:210px;bottom:20px;border-radius:16px;padding:8px 12px}
  .accbar .acc-list{flex:1}
}
/* laptop: khung dọc bên trái, cố định khi cuộn trang */
@media (min-width:1280px){
  .accbar{left:14px;top:50%;transform:translateY(-50%);flex-direction:column;width:84px;max-height:82vh;border-radius:18px;padding:12px 8px}
  .accbar .acc-t{text-align:center;font-size:.72rem}
  .accbar .acc-list{flex-direction:column;align-items:center;overflow-y:auto;min-height:0}
  .accbar img{width:60px;height:60px}
  .accbar.min{padding:10px 6px}
}
.accbar .acc-t{background:var(--red);color:var(--red-ink);border-radius:10px;padding:6px 8px;text-align:center;font-size:.7rem}
@media (max-width:820px){.accbar .acc-t{width:auto}}
@media (min-width:1280px){.accbar .acc-t{width:100%;box-sizing:border-box}.accbar .pha{display:none}}
/* khung phụ kiện: cả khung màu đỏ, chữ nằm trong khung (không có ô đỏ riêng) */
.accbar{background:var(--red);border-color:var(--red)}
.accbar .acc-t{background:none;color:#fff;padding:0 2px;border-radius:0;font-size:.72rem}
.accbar .acc-list a{border-color:rgba(255,255,255,.6)}
.accbar .acc-x{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5);color:#fff}
/* khu vực Shopee */
:root{--shp:#EE4D2D;--shp-ink:#fff}
.shp{border:2px solid var(--shp);border-radius:22px;background:var(--paper);overflow:hidden}
.shp-head{background:var(--shp);color:var(--shp-ink);display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 20px}
.shp-head h2{color:var(--shp-ink);font-size:clamp(1.3rem,3.6vw,1.9rem)}
.shp-sub{font-size:.85rem;font-weight:600;opacity:.95}
.shp-promos{display:grid;gap:10px;padding:16px 20px 0}
.shp-pr{display:grid;gap:4px;padding:14px 16px;border-radius:14px;text-decoration:none;color:#fff;background:linear-gradient(120deg,#F53D2D,#FF6633)}
.shp-pr-t{font-weight:700;font-size:1.05rem}
.shp-pr-n{font-size:.88rem;opacity:.95}
.shp-pr-go{font-weight:700;font-size:.88rem;margin-top:2px}
.shp .aff-wrap{margin:16px 20px 18px}
.shp .aff a{border-color:#F6C8BE}
.shp .aff .pr,.shp .aff .go{color:var(--shp)}
@media (max-width:720px){.shp-head{padding:12px 14px}.shp-promos{padding:12px 14px 0}.shp .aff-wrap{margin:12px 14px 14px}}
/* chân trang: fanpage + freeship */
.fbbox iframe{height:70px;max-width:none;margin:0;border-radius:0;background:#fff}
.fbcard{max-width:340px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;margin-block:8px 8px;line-height:0}
.fblink{font-size:.86rem;color:var(--ink);font-weight:600;text-decoration:none}
.fship b{color:var(--green)!important}
.fship span{display:block;margin-top:8px;font-size:.84rem}
/* combo thu gọn */
.combo-toggle{width:100%;display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px 16px;text-align:left;cursor:pointer;background:var(--paper);border:3px solid var(--red);border-radius:20px;padding:18px 22px;color:var(--ink);font:inherit;box-shadow:0 10px 24px rgba(210,63,39,.12)}
.combo-toggle .ct-main{font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,4.6vw,2.3rem);line-height:1.1;color:var(--red)}
.combo-toggle .ct-sub{grid-column:1;color:var(--muted);font-size:.92rem}
.combo-toggle .ct-btn{grid-row:1/3;grid-column:2;background:var(--red);color:var(--red-ink);border-radius:999px;padding:10px 16px;font-weight:700;font-size:.9rem;white-space:nowrap}
#comboBody .lede{margin-top:18px}
@media (max-width:520px){.combo-toggle{grid-template-columns:1fr}.combo-toggle .ct-btn{grid-row:auto;grid-column:1;justify-self:start;margin-top:8px}}