/* โทนหลักดำ-แดง แบรนด์อื่นเปลี่ยนสีด้วย data-brand · อ่านง่ายบนมือถือก่อน */
:root{
  --ground:#E6E9EC; --surface:#FFFFFF; --sunken:#F2F4F6; --ink:#14171A; --muted:#5D6670; --line:#DCE1E6;
  --red:#D3222B; --red-soft:#FBE7E8; --on-red:#FFFFFF; --line-green:#06C755;
  --ok:#1C7C44; --ok-soft:#E2F3E8; --warn:#9A5B00; --warn-soft:#FBF0DA; --bad:#B4161E; --bad-soft:#FBE3E4;
  --display:"Chakra Petch","IBM Plex Sans Thai",system-ui,sans-serif;
  --body:"IBM Plex Sans Thai",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:14px; color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --ground:#0A0C0E; --surface:#16191D; --sunken:#1E2227; --ink:#ECEEF1; --muted:#9AA3AD; --line:#2A3036;
  --red:#FF4B52; --red-soft:#3A1719; --line-green:#2FD873;
  --ok:#4FD188; --ok-soft:#14301F; --warn:#F2B44C; --warn-soft:#33270F; --bad:#FF6B71; --bad-soft:#3A1719; color-scheme:dark}}

/* แบรนด์ช่างเอไอ: โทนน้ำเงิน-เหลือง ใช้ตัวแปรสีเดิมทั้งเว็บ */
:root[data-brand="changai"]{--red:#1550C4;--red-soft:#E4ECFB}
@media (prefers-color-scheme: dark){:root[data-brand="changai"]{--red:#5B8DFF;--red-soft:#16233F}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.55}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit}
img{max-width:100%}
[hidden]{display:none!important}
.nw{white-space:nowrap}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}

.top{position:sticky;top:0;z-index:10;background:var(--surface);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.top-in{max-width:960px;margin:0 auto;display:flex;align-items:center;gap:12px;padding:10px max(16px,env(safe-area-inset-right,0px)) 10px max(16px,env(safe-area-inset-left,0px))}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:1;min-width:0}
.brand .logo{width:46px;height:40px;border-radius:10px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;overflow:hidden;flex:none}
.brand .logo img{width:42px}
.brand b{font-family:var(--display);font-size:21px;line-height:1.1}
.brand small{display:block;color:var(--muted);font-size:13px;line-height:1.35;margin-top:2px}
.cartlink{position:relative;display:inline-flex;align-items:center;gap:6px;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:14px}
.cartlink .n{background:var(--red);color:var(--on-red);border-radius:9px;min-width:18px;height:18px;font-size:11px;display:grid;place-items:center;padding:0 5px;font-family:var(--display)}
.demo{background:var(--warn-soft);color:var(--warn);font-size:13px;text-align:center;padding:6px 16px}

main{max-width:560px;margin:0 auto;padding-block:18px 96px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
main.wide{max-width:960px}
.screen{display:flex;flex-direction:column;gap:16px}

.tabs{position:fixed;left:0;right:0;bottom:0;z-index:10;background:var(--surface);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
.tabs-in{max-width:560px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
.tabs a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 2px 9px;font-size:11px;color:var(--muted);text-decoration:none}
.tabs svg{width:22px;height:22px}
.tabs a[aria-current="page"]{color:var(--red);font-weight:600}

h1,h2{font-family:var(--display);line-height:1.2;margin:0;text-wrap:balance}
h1{font-size:24px} h2{font-size:20px} h3{font-size:15px;margin:0}
.muted{color:var(--muted)} .small{font-size:13px}
.eyebrow{font-family:var(--display);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.sunk{background:var(--sunken);border-radius:var(--r);padding:12px 14px}
.row{display:flex;align-items:center;gap:10px}
.grow{flex:1;min-width:0}
.btn{border:0;border-radius:12px;padding:12px 14px;font-weight:600;background:var(--red);color:var(--on-red);display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}
.btn.ghost{background:var(--sunken);color:var(--ink)}
.btn.line{background:var(--line-green);color:#fff}
.btn.block{width:100%}
.btn.sm{padding:8px 12px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.chip{display:inline-flex;align-items:center;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;white-space:nowrap}
.chip.ok{background:var(--ok-soft);color:var(--ok)} .chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.bad{background:var(--bad-soft);color:var(--bad)} .chip.plain{background:var(--sunken);color:var(--muted)}
.num{font-family:var(--display);font-variant-numeric:tabular-nums}
.price{font-family:var(--display);font-weight:700;font-size:17px}
.note{font-size:12px;color:var(--muted);border-left:3px solid var(--line);padding-left:10px;margin:0}
.err{color:var(--bad);font-size:14px;margin:0}
.empty{text-align:center;padding:28px 10px;color:var(--muted)}

label.f{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
label.f input,label.f select,label.f textarea{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;font-size:16px;color:var(--ink);width:100%}
textarea{resize:vertical;min-height:72px}

/* home */
.hero{display:flex;align-items:center;gap:14px}
.hero .logo{width:76px;height:66px;border-radius:14px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;flex:none;overflow:hidden}
.hero .logo img{width:70px}
/* โลโก้ช่างเอไอเป็นภาพสี่เหลี่ยมจัตุรัสพื้นน้ำเงิน: ให้เต็มกรอบ */
:root[data-brand="changai"] .brand .logo{width:42px;height:42px;border:0;background:#0A0FA0}
:root[data-brand="changai"] .brand .logo img{width:100%;height:100%;object-fit:cover}
:root[data-brand="changai"] .hero .logo{width:72px;height:72px;border:0;background:#0A0FA0}
:root[data-brand="changai"] .hero .logo img{width:100%;height:100%;object-fit:cover}
.carbar{display:flex;align-items:center;gap:12px;background:var(--ink);color:var(--surface);border-radius:var(--r);padding:12px 14px}
.carbar select{background:transparent;border:0;color:inherit;font-weight:600;font-size:16px;max-width:100%;width:100%}
.carbar option{color:#14171A;background:#fff}
.carbar.open{align-items:flex-start}
.carname{font-weight:700;font-size:17px;line-height:1.3}
.carpick{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;margin:8px 0 6px}
.carpick .cp{display:flex;flex-direction:column;gap:3px;min-width:0}
.carpick .cp span{font-size:12px;opacity:.75}
.carbar .carpick select{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.28);border-radius:10px;padding:10px 8px;font-weight:500;font-size:16px;min-height:44px}
.carbar .carpick select:disabled{opacity:.45}
.cpedit{flex:none;background:transparent;color:inherit;border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:8px 14px;font:inherit;font-size:14px;cursor:pointer;min-height:40px}
.doors{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.door{border:1px solid var(--line);background:var(--surface);border-radius:var(--r);padding:14px;text-align:left;display:flex;flex-direction:column;gap:6px;text-decoration:none;min-height:116px}
.door.main{grid-column:1/-1;background:var(--red);color:var(--on-red);border-color:transparent;min-height:0}
.door.main .muted{color:inherit;opacity:.85}
.door b{font-size:16px}
.door svg{width:28px;height:28px}

/* shop */
.cats{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.cats button{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 12px;font-size:13px;white-space:nowrap}
.cats button[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.prod{display:grid;grid-template-columns:56px 1fr;gap:12px}
.pic{width:56px;height:56px;border-radius:12px;background:var(--sunken);display:grid;place-items:center;color:var(--muted);overflow:hidden}
.pic svg{width:30px;height:30px}
.prod .pr{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:6px}
.fit{font-size:12px;color:var(--ok);font-weight:600}
.add{border:0;background:var(--red);color:var(--on-red);border-radius:10px;padding:7px 12px;font-weight:600;font-size:13px}
.add.in{background:var(--ok-soft);color:var(--ok)}
.floatcart{position:fixed;left:0;right:0;bottom:calc(58px + env(safe-area-inset-bottom,0px));z-index:9;padding:0 max(16px,env(safe-area-inset-right,0px)) 10px max(16px,env(safe-area-inset-left,0px))}
.floatcart .btn{max-width:528px;margin:0 auto;display:flex;box-shadow:0 10px 30px -12px rgba(0,0,0,.45)}

.li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;border-top:1px solid var(--line)}
.li:first-child{border-top:0}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;flex:none}
.qty button{border:0;background:none;width:32px;height:32px;font-size:18px}
.total{display:flex;justify-content:space-between;font-weight:600;border-top:1px dashed var(--line);padding-top:8px;margin-top:4px}
.ship{display:flex;flex-direction:column;gap:8px;border:0;padding:0;margin:0}
.ship label{display:flex;gap:10px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;align-items:flex-start;cursor:pointer}
.ship label:has(input:checked){border-color:var(--red);background:var(--red-soft)}
.ship input{margin-top:5px;accent-color:var(--red)}

/* order */
.qr{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.qrbox{width:168px;height:168px;background:#fff;border-radius:10px;padding:8px;border:1px solid var(--line);flex:none}
.qrbox svg,.qrbox img{width:100%;height:100%;display:block}
.tl{list-style:none;margin:0;padding:0}
.tl li{display:grid;grid-template-columns:22px 1fr;gap:10px;position:relative;padding-bottom:14px}
.tl li::before{content:"";position:absolute;left:10px;top:20px;bottom:0;width:2px;background:var(--line)}
.tl li:last-child::before{display:none}
.dot{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);background:var(--surface);display:grid;place-items:center;font-size:11px;font-family:var(--display);color:var(--muted)}
.tl li.done .dot{background:var(--ok);border-color:var(--ok);color:#fff}
.tl li.done::before{background:var(--ok)}
.tl li.now .dot{border-color:var(--red);color:var(--red)}
.tl li.now b{color:var(--red)}

/* admin */
.filters{display:flex;gap:6px;flex-wrap:wrap}
.filters button{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 12px;font-size:13px}
.filters button[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.olist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.ocard{display:flex;flex-direction:column;gap:8px;border-left:4px solid var(--line)}
.ocard.t-warn{border-left-color:var(--warn)} .ocard.t-bad{border-left-color:var(--red)} .ocard.t-ok{border-left-color:var(--ok)}
.acts{display:flex;gap:8px;flex-wrap:wrap}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.kpi .num{font-size:24px;font-weight:700;display:block;line-height:1.1}

.toast{position:fixed;left:50%;bottom:calc(126px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:10px 14px;border-radius:12px;font-size:14px;max-width:min(400px,calc(100vw - 32px));z-index:30}
@media (prefers-reduced-motion:no-preference){.screen{animation:in .18s ease-out}@keyframes in{from{opacity:.5;transform:translateY(4px)}to{opacity:1;transform:none}}}
.brand small.near{color:var(--red);font-weight:600}

/* ปรึกษาช่าง */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.opt{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px;text-align:left;display:flex;flex-direction:column;gap:2px;min-height:64px}
.opt:hover{border-color:var(--red)}
.opt small{color:var(--muted)}
.sev{border-radius:var(--r);padding:12px 14px;display:flex;gap:10px;align-items:flex-start}
.sev.ok{background:var(--ok-soft);color:var(--ok)} .sev.warn{background:var(--warn-soft);color:var(--warn)} .sev.bad{background:var(--bad-soft);color:var(--bad)}
.kcard{display:flex;flex-direction:column;gap:8px}
.kgrid{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:14px}
.kgrid>span{min-width:0}
.rank{width:24px;height:24px;border-radius:50%;background:var(--ink);color:var(--surface);display:grid;place-items:center;font-size:12px;flex:none}
.bar{height:6px;border-radius:3px;background:var(--sunken);overflow:hidden}
.bar i{display:block;height:100%;background:var(--red);border-radius:3px}
.kcard a{color:var(--muted)}

/* หน้าต่างขั้นต่อไป (ซ่อมใกล้บ้าน / สั่งอะไหล่) */
body.noscroll{overflow:hidden}
.sheetwrap{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;justify-content:center}
.sheet-bg{position:absolute;inset:0;background:rgba(10,12,14,.55)}
.sheet{position:relative;width:100%;max-width:560px;max-height:88vh;overflow:auto;background:var(--surface);color:var(--ink);border-radius:20px 20px 0 0;
  padding:16px max(16px,env(safe-area-inset-right,0px)) calc(18px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));
  display:flex;flex-direction:column;gap:12px;box-shadow:0 -12px 40px -16px rgba(0,0,0,.5);animation:sheetup .22s ease-out}
@keyframes sheetup{from{transform:translateY(40px)}to{transform:none}}
@media (prefers-reduced-motion: reduce){.sheet{animation:none}}
.sheet-h{display:flex;align-items:flex-start;gap:10px}
.sheet-h h2{margin:0}
.sheet .x{border:0;background:var(--sunken);color:var(--ink);width:36px;height:36px;border-radius:50%;font-size:15px;flex:none}
.nxopt{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;border:1.5px solid var(--line);background:var(--surface);border-radius:14px;padding:14px;min-height:64px}
.nxopt b{font-size:16px;color:var(--red)}
.nxopt span{font-size:13px;color:var(--muted)}
.nxopt:hover,.nxopt:focus-visible{border-color:var(--red)}
.okt{color:var(--ok)}
.nextcard{border-color:var(--red)}
.rcard{display:flex;flex-direction:column;gap:6px}

/* อะไหล่ที่เกี่ยวข้อง · อู่สมาชิก · นัด · รีวิว */
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.plist{display:grid;grid-template-columns:1fr 1fr;gap:6px}
@media (max-width:380px){.plist{grid-template-columns:1fr}}
.pitem{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:9px 10px;font-size:14px;cursor:pointer;background:var(--surface);min-width:0}
.pitem input{width:18px;height:18px;accent-color:var(--red);flex:none}
.pitem:has(input:checked){border-color:var(--red);background:var(--red-soft)}
.gcard{border:1px solid var(--line);border-radius:var(--r);padding:12px;display:flex;flex-direction:column;gap:6px;background:var(--surface)}
.gacts{display:flex;flex-wrap:wrap;gap:6px}
.stars{color:#E8A317;letter-spacing:1px}
.days{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.dchip{flex:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 12px;font-size:13px;color:var(--ink)}
.dchip[aria-pressed="true"]{background:var(--red);border-color:var(--red);color:var(--on-red)}
fieldset.rate{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
fieldset.rate legend{padding:0;margin-bottom:4px}
.starrow{display:flex;gap:4px;flex-direction:row-reverse;justify-content:flex-end}
.starrow label{position:relative;cursor:pointer;font-size:32px;line-height:1;color:var(--line)}
.starrow input{position:absolute;opacity:0;inset:0;cursor:pointer}
.starrow label:has(input:checked) , .starrow label:has(input:checked) ~ label{color:#E8A317}
.starrow label:hover, .starrow label:hover ~ label{color:#F2C14E}
.starrow label:has(input:focus-visible){outline:2px solid var(--red);outline-offset:2px;border-radius:6px}
.kcard.picked{border-color:var(--ok);box-shadow:0 0 0 2px var(--ok-soft)}
.kpick{align-self:flex-start}
.kcard.picked .kpick{background:var(--ok);border-color:var(--ok);color:#fff}
.pickbox{display:flex;flex-direction:column;gap:4px;border:1px solid var(--ok)}
.linkbtn{background:none;border:0;padding:0;color:var(--red);text-decoration:underline;font-size:13px;align-self:flex-start}
.nudge-emoji{font-size:34px;line-height:1;animation:nudge 1.2s ease-in-out 2}
@keyframes nudge{0%,100%{transform:rotate(0)}25%{transform:rotate(-14deg)}75%{transform:rotate(14deg)}}
@media (prefers-reduced-motion:reduce){.nudge-emoji{animation:none}}
.nxpick.on{border-color:var(--ok);background:var(--ok-soft)}
.hero-sub{margin:4px 0 0;color:var(--muted);font-size:15px;max-width:34em}
button.door{font:inherit;color:inherit;cursor:pointer;width:100%}

/* หน้านัดซ่อม: แผนที่อู่ */
.gpage{gap:12px}
.gsearch{display:flex;gap:8px}
.gsearch input{flex:1;min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;font-size:16px;color:var(--ink)}
.gprov{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 12px;font-size:14px;color:var(--ink);max-width:100%}
.gmap{isolation:isolate;position:relative;height:min(52vh,420px);min-height:260px;border-radius:var(--r);border:1px solid var(--line);overflow:hidden;background:var(--sunken);z-index:0}
.gpin{width:34px;height:42px;display:grid;place-items:center;position:relative}
.gpin::before{content:"";position:absolute;inset:0 2px 8px;background:var(--red);border-radius:50% 50% 50% 0;transform:rotate(-45deg);box-shadow:0 2px 6px rgba(0,0,0,.35);border:2px solid #fff}
.gpin span{position:relative;font-size:15px;margin-top:-6px}
.gpin.on::before{background:#E8A317;transform:rotate(-45deg) scale(1.15)}
.mepin{width:20px;height:20px;border-radius:50%;background:#2B7BFF;border:3px solid #fff;box-shadow:0 0 0 6px rgba(43,123,255,.25)}
.gdetail{display:flex;flex-direction:column;gap:10px;border-color:var(--red)}
.gbig{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.gbig .btn{text-align:center;justify-content:center}
.ghint{text-align:center;padding:8px}
.glist{display:flex;flex-direction:column;gap:6px}
.gitem{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:10px 12px;font:inherit;color:inherit;cursor:pointer;width:100%}
.gitem b{display:block}
.gitem.on{border-color:var(--red);background:var(--red-soft)}
.gnum{width:30px;height:30px;border-radius:50%;background:var(--sunken);display:grid;place-items:center;flex:none}
.leaflet-container{font:inherit}

/* ร้านอะไหล่: ค้นหา + ปุ่มระบบ */
.ssearch{display:flex;gap:6px;align-items:stretch}
.ssearch input{flex:1;min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;font-size:16px;color:var(--ink)}
.ssearch .mic{flex:none;width:46px;border:1px solid var(--line);background:var(--surface);border-radius:10px;font-size:20px;line-height:1}
.ssearch .mic.on{background:var(--red);border-color:var(--red);animation:micpulse 1s ease-in-out infinite}
@keyframes micpulse{50%{box-shadow:0 0 0 6px var(--red-soft)}}
@media (prefers-reduced-motion:reduce){.ssearch .mic.on{animation:none}}
.sysgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
@media (min-width:640px){.sysgrid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.sysbtn{display:flex;flex-direction:column;gap:3px;border:1px solid var(--line);background:var(--surface);border-radius:var(--r);padding:12px;text-decoration:none;min-height:104px}
.sysbtn b{font-size:15px;color:var(--red)}
.sysbtn:hover{border-color:var(--red)}
.sysic{font-size:24px;line-height:1;display:block}
.sysic img{display:block;width:100%;max-width:120px;aspect-ratio:1;object-fit:contain;margin:0 auto 4px}
.sysic img + i{display:none}
.sysic i{font-style:normal}
.cnt{display:inline-block;font-size:11px;background:var(--ok-soft);color:var(--ok);border-radius:999px;padding:1px 7px;align-self:flex-start}
.subchips{display:flex;flex-wrap:wrap;gap:6px}
.chipbtn{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 12px;font-size:14px;text-decoration:none;color:var(--ink)}
.chipbtn.on{background:var(--red);border-color:var(--red);color:var(--on-red)}
.chipbtn.on .cnt{background:rgba(255,255,255,.25);color:inherit}

/* เล่าอาการให้ช่างฟัง */
.kask{display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1.5px solid var(--red);border-radius:var(--r);padding:12px}
.kask-row{display:flex;gap:6px;align-items:stretch}
.kask textarea{flex:1;min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;font-size:16px;color:var(--ink);resize:vertical;min-height:64px}
.kask .mic{flex:none;width:48px;border:1px solid var(--line);background:var(--surface);border-radius:10px;font-size:22px}
.kask .mic.on{background:var(--red);border-color:var(--red);animation:micpulse 1s ease-in-out infinite}
.toldcard{display:flex;flex-direction:column;gap:8px;border-color:var(--red)}
.told{font-size:16px}
.toldpick{background:var(--ok-soft);border-radius:10px;padding:10px 12px}

/* ผลวิเคราะห์จากช่างเอไอ */
.aicard{display:flex;flex-direction:column;gap:10px;border:1.5px solid var(--red)}
.aibadge{background:var(--red);color:var(--on-red);border-radius:999px;padding:3px 10px;font-size:13px;font-weight:600}
.ailist{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.aic{border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:6px;background:var(--surface)}
.aic.top{border-color:var(--ok);box-shadow:0 0 0 2px var(--ok-soft)}
.kmore{display:flex;flex-direction:column;gap:8px;background:var(--sunken);border-radius:12px;padding:10px 12px}
.kmore input{flex:1;min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;font-size:16px;color:var(--ink)}
.kmore .mic{flex:none;width:46px;border:1px solid var(--line);background:var(--surface);border-radius:10px;font-size:20px}
.spin{display:inline-block;width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ช่าง AI Pro */
.probtn{flex:none;font-size:13px;font-weight:600;text-decoration:none;border:1px solid var(--red);color:var(--red);border-radius:999px;padding:4px 10px;background:var(--surface)}
.probtn.on{background:var(--red);color:var(--on-red)}
.proup{display:block;font-size:14px;text-decoration:none;color:var(--red);background:var(--red-soft);border-radius:10px;padding:8px 12px;font-weight:600}
.prohero{display:flex;flex-direction:column;align-items:flex-start}
.probadge{background:var(--red);color:var(--on-red);border-radius:999px;padding:3px 12px;font-size:13px;font-weight:600}
.proul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px}
.propacks{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.propack{position:relative;display:flex;flex-direction:column;gap:4px;border:1.5px solid var(--line);border-radius:var(--r);padding:16px 14px;background:var(--surface);cursor:pointer}
.propack input{position:absolute;opacity:0;inset:0;cursor:pointer}
.propack:has(input:checked){border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
.propack:has(input:focus-visible){outline:2px solid var(--red);outline-offset:2px}
.proprice{font-family:var(--display);font-size:28px;font-weight:700;color:var(--red);line-height:1.1}
.protag{position:absolute;top:-10px;right:10px;background:var(--ok);color:#fff;border-radius:999px;padding:1px 8px;font-size:11px}
.prowallet{display:flex;flex-direction:column;gap:10px;border-color:var(--ok)}

/* ติดตั้งแอป */
.installcard{display:flex;flex-direction:column;gap:10px;border-color:var(--red)}
.appicon{border-radius:12px;flex:none}
.iossteps{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px}
@media (display-mode: standalone){.top{padding-top:max(env(safe-area-inset-top,0px),4px)}}
.procheck{display:none;align-self:flex-start;font-size:12px;font-weight:600;background:var(--red);color:var(--on-red);border-radius:999px;padding:1px 8px}
.propack:has(input:checked) .procheck{display:inline-block}
.propack:has(input:checked){background:var(--red-soft)}

/* ภาพประกอบอะไหล่ ปกติ vs เสีย (assets/partart.js) */
:root{--pa-bg:#EEF1F4;--pa-line:#2B3138;--pa-metal:#B9C1C9;--pa-metal2:#7D8792;--pa-rubber:#3B4148;--pa-paper:#F6F2E4;--pa-dirt:#5B4632;--pa-soot:#262626;--pa-rust:#A4552A;--pa-fluid:#E2A12C;--pa-cool:#3FB39B;--pa-atf:#C8323C;--pa-water:#7FB6E6;--pa-corr:#9ED6B4;--pa-fric:#7B6B5B;--pa-glass:rgba(160,200,230,.25);--pa-pcb:#2E7D4F;--pa-paint:#2F6FB3}
@media (prefers-color-scheme: dark){:root{--pa-bg:#262B31;--pa-line:#CDD4DB;--pa-metal:#9AA3AD;--pa-metal2:#5E6873;--pa-rubber:#14171A;--pa-paper:#DCD6C2;--pa-dirt:#4A3826;--pa-soot:#0C0C0C;--pa-glass:rgba(160,200,230,.18);--pa-fric:#6E6052}}
.pafig{margin:0;display:flex;flex-direction:column;gap:4px}
.papair{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.papane{background:var(--pa-bg);border-radius:10px;padding:6px 6px 4px;border:1px solid var(--line);display:flex;flex-direction:column;gap:2px;min-width:0}
.papane.ok{border-color:color-mix(in srgb,var(--ok) 45%,var(--line))}
.papane.bad{border-color:color-mix(in srgb,var(--bad) 45%,var(--line))}
.papane svg{width:100%;height:auto;display:block;aspect-ratio:3/2}
.papane figcaption{font-size:12px;line-height:1.35;display:flex;gap:4px;align-items:flex-start}
.pamark{font-weight:700;flex:none}.ok .pamark{color:var(--ok)}.bad .pamark{color:var(--bad)}
.panote{font-size:11px;color:var(--muted)}
.kbody{display:grid;gap:10px}
@media (min-width:560px){.kbody{grid-template-columns:minmax(0,1fr) 220px;align-items:start}}
.pafig svg *{stroke-linejoin:round;stroke-linecap:round}
.pafig .M{fill:var(--pa-metal);stroke:var(--pa-line);stroke-width:1.2}
.pafig .M2{fill:var(--pa-metal2);stroke:var(--pa-line);stroke-width:1.2}
.pafig .M2S{fill:none;stroke:var(--pa-metal2);stroke-width:3}
.pafig .R{fill:var(--pa-rubber);stroke:var(--pa-line);stroke-width:1}
.pafig .L{fill:none;stroke:var(--pa-line);stroke-width:1;opacity:.55}
.pafig .LT{fill:none;stroke:var(--pa-line);stroke-width:1.5;opacity:.35}
.pafig .O{fill:none;stroke:var(--pa-line);stroke-width:1.2}
.pafig .X{fill:none;stroke:var(--bad);stroke-width:2.2}
.pafig .XO{fill:none;stroke:var(--bad);stroke-width:2}
.pafig .X2{fill:var(--bad)}
.pafig .G{fill:none;stroke:var(--ok);stroke-width:2.4}
.pafig .BG{fill:var(--pa-bg);stroke:var(--pa-line);stroke-width:1}
.pafig .P{fill:var(--pa-paper);stroke:var(--pa-line);stroke-width:1}
.pafig .D{fill:var(--pa-dirt);opacity:.92}
.pafig .S{fill:var(--pa-soot)}
.pafig .U{fill:var(--pa-rust)}
.pafig .U2{fill:none;stroke:var(--pa-rust);stroke-width:4}
.pafig .U2F{fill:var(--pa-rust);opacity:.7}
.pafig .K{fill:var(--pa-corr);stroke:#5E9C78;stroke-width:.8}
.pafig .F{fill:var(--pa-fluid)}
.pafig .CL{fill:var(--pa-cool)}
.pafig .ATF{fill:var(--pa-atf);opacity:.85}
.pafig .WAT{fill:var(--pa-water);opacity:.85}
.pafig .FOAM{fill:#fff;stroke:var(--pa-line);stroke-width:.6}
.pafig .GL{fill:var(--pa-glass);stroke:var(--pa-line);stroke-width:1.2}
.pafig .FU{fill:#E0525A;opacity:.55;stroke:var(--pa-line);stroke-width:1}
.pafig .WIRE{fill:none;stroke:var(--pa-metal);stroke-width:3}
.pafig .HOSE{fill:none;stroke:var(--pa-rubber);stroke-width:16}
.pafig .TAN{fill:#C9A06A}
.pafig .SP{fill:var(--pa-fluid);opacity:.25}
.pafig .DRIP{fill:none;stroke:var(--pa-fluid);stroke-width:3}
.pafig .LEAF{fill:#8A6B2E}
.pafig .FR{fill:var(--pa-fric);stroke:var(--pa-line);stroke-width:1}
.pafig .GLAZE{fill:#fff;opacity:.18}
.pafig .HEAT{fill:#5F7CC0;opacity:.6}
.pafig .BALL{fill:var(--pa-metal);stroke:var(--pa-line);stroke-width:1}
.pafig .COIL{fill:none;stroke:var(--pa-metal2);stroke-width:5}
.pafig .CH{fill:none;stroke:var(--pa-metal2);stroke-width:2.5}
.pafig .BLADE{fill:none;stroke:var(--pa-metal);stroke-width:3}
.pafig .PLATE{fill:none;stroke:var(--pa-metal);stroke-width:5}
.pafig .GR{fill:#5A5040}
.pafig .OILST{fill:none;stroke:var(--pa-dirt);stroke-width:3}
.pafig .FIL{fill:none;stroke:#E2A12C;stroke-width:1.6}
.pafig .SHINE{fill:none;stroke:#fff;stroke-width:3;opacity:.6}
.pafig .YEL{fill:#E3C25A;opacity:.55}
.pafig .RS{fill:none;stroke:var(--pa-rubber);stroke-width:5}
.pafig .PAINT{fill:var(--pa-paint)}
.pafig .PCB{fill:var(--pa-pcb);stroke:var(--pa-line);stroke-width:1}
.pafig .TRACE{fill:none;stroke:#C9A23A;stroke-width:1.5}
.pafig .BURN{fill:#1B1209;opacity:.85}
.pafig .OKL{fill:var(--ok)}
.pafig .BADL{fill:var(--bad)}
.pafig .C{fill:#C27C3A}
.pafig .DUST{fill:#8C7B62;opacity:.8}
.pafig .SMK{fill:#777;opacity:.6}
.pafig .SMK2{fill:none;stroke:#777;stroke-width:3;opacity:.7}
.pafig .SMKB{fill:#1A1A1A;opacity:.85}
.pafig .SMKW{fill:#F2F2F2;stroke:#8A9097;stroke-width:1;opacity:.95}
.pafig .SMKBL{fill:#A9BDD8;opacity:.9}
.pafig .T{font:600 7px var(--body);fill:var(--pa-line)}
.pafig .TB{font:700 16px var(--body);fill:#fff}
.pafig .NEEDLE{fill:none;stroke:var(--pa-line);stroke-width:2.4}
.pafig .BLADE2{fill:none;stroke:var(--pa-metal2);stroke-width:4}
.kleft{display:flex;flex-direction:column;gap:8px;min-width:0}
.pafig .COPPER{fill:none;stroke:#C27C3A;stroke-width:3}
.kprice{background:var(--sunken);border-radius:10px;padding:10px;display:flex;flex-direction:column;gap:6px}
.kprice-h{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.ktiers{display:flex;flex-direction:column;gap:4px}
.ktier{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 10px;padding:6px 8px;border-radius:8px;background:var(--surface);border:1px solid var(--line)}
.kt-l{font-size:14px;min-width:0}.kt-p{font-weight:700;white-space:nowrap}.kt-n{grid-column:1/-1}
.ktier.k-genuine .kt-l::before{content:"🏷️ "}.ktier.k-oem .kt-l::before{content:"✅ "}.ktier.k-aftermarket .kt-l::before{content:"🔩 "}
.ktier.k-rebuild .kt-l::before{content:"🛠️ "}.ktier.k-used .kt-l::before{content:"♻️ "}.ktier.k-service .kt-l::before{content:"🔧 "}
.kprice .chipbtn{align-self:flex-start;text-decoration:none}
.pafig .LEAFS{fill:none;stroke:var(--pa-metal2);stroke-width:4}
.nxbtns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.nxbtns .btn{padding-left:8px;padding-right:8px}
@media (max-width:420px){.nxbtns{grid-template-columns:1fr}}
.btn.tow{background:var(--warn-soft);color:var(--warn);border-color:var(--warn)}
/* รหัสปัญหา (assets/codes.js) */
.optcode{text-decoration:none;border-style:dashed}
.dtccard{display:flex;flex-direction:column;gap:8px}
.dtcode{font-family:var(--display);font-weight:700;font-size:18px;background:var(--sunken);border-radius:8px;padding:4px 10px;flex:none}
.dtcl{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:2px;font-size:14px}
.dtcm summary{cursor:pointer;list-style:revert}
.dtcm-b{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.dtctab{display:grid;grid-template-columns:1fr;gap:2px;font-size:14px;max-height:360px;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:6px}
.dtctab>div{display:grid;grid-template-columns:44px minmax(0,1fr);gap:8px;padding:3px 2px;border-bottom:1px solid var(--line)}
.dtctab>div:last-child{border-bottom:0}
.dtlist{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}
.dthead{padding:8px 12px;font-size:13px;font-weight:700;background:var(--sunken);color:var(--muted)}
.dtrow{display:grid;grid-template-columns:62px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px 12px;border-top:1px solid var(--line);text-decoration:none;color:var(--ink)}
.dtrow:hover{background:var(--sunken)}
.dtrc{font-family:var(--display);font-weight:700}
.dtrt{font-size:14px;min-width:0}
/* สมัครอู่พันธมิตร */
.joinmap{height:320px;border-radius:var(--r);border:1px solid var(--line);overflow:hidden;background:var(--sunken)}
.joinsvc{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px}
#jFind{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 12px;font-size:16px;color:var(--ink)}
.joinwhy{display:grid;gap:6px;font-size:14px}
.joincta{display:flex;flex-direction:column;gap:4px;text-decoration:none;color:var(--ink);border-style:dashed}
/* รูปอาการ (assets/photos.js) */
.kphotos{display:flex;flex-wrap:wrap;gap:8px}
.kph{position:relative;width:72px;height:72px;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--sunken)}
.kph img{width:100%;height:100%;object-fit:cover;display:block}
.kphx{position:absolute;top:2px;right:2px;width:24px;height:24px;border-radius:50%;border:0;background:rgba(0,0,0,.65);color:#fff;font-size:12px;line-height:24px;padding:0}
.kphadd{width:72px;height:72px;border-radius:10px;border:1px dashed var(--line);background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:22px}
.kphadd span{font-size:11px;color:var(--muted)}
/* สถิติผู้เข้าชม */
.vgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:12px}
.vgrid .card{display:flex;flex-direction:column;gap:6px;min-width:0}
.vbar{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(60px,1fr) auto;gap:8px;align-items:center;font-size:13px}
.vlab{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vtrack{display:block;height:8px;border-radius:4px;background:var(--line);overflow:hidden}
.vtrack i{display:block;height:100%;background:var(--red);border-radius:4px}
.vtable{overflow-x:auto;margin-top:6px}.vtable table{width:100%;border-collapse:collapse;font-size:13px}
.vtable th,.vtable td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.vtable th{font-weight:600;color:var(--muted)}
.vcell{width:30%;min-width:70px}
.vhours{display:grid;grid-template-columns:repeat(24,1fr);gap:2px;height:110px;align-items:end;padding-bottom:16px}
.vhours span{position:relative;height:100%;display:flex;align-items:flex-end}.vhours i{display:block;width:100%;background:var(--red);border-radius:2px 2px 0 0}
.vhours em{position:absolute;bottom:-16px;left:0;font-style:normal;font-size:10px;color:var(--muted)}
/* อะไหล่ย่อยแบบมีรูป */
.subtiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px}
.subtile{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 6px 10px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);text-decoration:none;font-size:13px;line-height:1.3;text-align:center;min-width:0}
.subtile img{width:100%;max-width:84px;aspect-ratio:1;object-fit:contain}
.subtile.on{border-color:var(--red);box-shadow:0 0 0 2px var(--red) inset}
.subtile .cnt{position:absolute;top:6px;right:6px}
.sysic.sm{width:32px;font-size:22px}.sysic.sm img{max-width:32px;margin:0}
/* ตัวช่วยเลือกสินค้า */
.guide{display:flex;flex-direction:column;gap:10px}
.ghead{padding:12px 14px}
.gcrumbs{display:flex;flex-wrap:wrap;gap:6px}
.gq{font-size:17px;margin:6px 0 0}
.gopts{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr));gap:8px}
.gopt{display:flex;flex-direction:column;gap:4px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);text-decoration:none;min-width:0}
.gopt .gl{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.gopt.fit{border-color:var(--ok,#2e9d5b);box-shadow:0 0 0 1px var(--ok,#2e9d5b) inset}
.gopt.dim{opacity:.55}
.gfit{font-size:12px;font-weight:600;color:var(--ok,#2e9d5b)}
.gnote{color:var(--ok,#2e9d5b)}
.gp{font-weight:700;color:var(--red)}
.gspec{display:flex;flex-wrap:wrap;gap:4px;margin:4px 0}
.gspec span{font-size:11px;padding:2px 6px;border-radius:6px;background:var(--line);color:var(--ink)}
.gprod .pr{flex-wrap:wrap;gap:8px}
.subchips.scroll{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}.subchips.scroll .chipbtn{flex:0 0 auto}
.card.prod.gprod{display:block}.gprod h3{margin:2px 0}
.shophead{align-items:center;gap:10px}
.shophead h1{font-size:20px;margin:0;display:flex;align-items:center;gap:10px;min-width:0}
.backbtn{font-size:20px;line-height:1;padding:8px 14px}
.shophead .sysic.sm{width:40px;flex:0 0 40px}.shophead .sysic.sm img{max-width:40px}
.card.prod.gprod{display:grid;grid-template-columns:84px minmax(0,1fr);gap:12px;align-items:start}
.card.prod.gprod:not(:has(.gpic)){grid-template-columns:minmax(0,1fr)}
.gpic{width:84px;height:84px;border-radius:10px;background:var(--line);display:grid;place-items:center;overflow:hidden}
.gpic img{width:100%;height:100%;object-fit:contain}
.mdcard summary{cursor:pointer;list-style:none;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.mdcard summary::-webkit-details-marker{display:none}.mdcard[open] summary{margin-bottom:4px}
/* ปุ่มบริการหน้านัดซ่อม */
.rsbtns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
@media (min-width:640px){.rsbtns{grid-template-columns:repeat(6,minmax(0,1fr))}}
.rsbtn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:64px;padding:8px 4px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font:inherit;font-size:13px;font-weight:600;line-height:1.25;text-align:center;cursor:pointer}
.rsbtn span{font-size:20px;line-height:1}
.rsbtn small{font-size:11px;font-weight:400;color:var(--muted)}
.rsbtn:hover{border-color:var(--red)}
.rsbtn.on{background:var(--red);border-color:var(--red);color:var(--on-red)}
.rsbtn.on small{color:inherit}
.rsask{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}
.mclist{display:flex;flex-direction:column;gap:10px}
.mcrow{grid-template-columns:auto minmax(0,1fr) auto;align-items:start}
.mcrow .dtcode{min-width:44px;text-align:center}
.mcinfo{min-width:0;display:flex;flex-direction:column;gap:2px;line-height:1.45}
.mcrow .chip{white-space:nowrap}
@media (max-width:480px){.mcrow{grid-template-columns:auto minmax(0,1fr)}.mcrow .chip{grid-column:2;justify-self:start}}
/* คู่มือช่าง */
.techp{display:flex;flex-direction:column;gap:12px}
.tchips{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.tchips .chipbtn{flex:none}
.tcard{display:flex;flex-direction:column;gap:4px}
.tspecs{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-top:6px}
.tsp{display:flex;justify-content:space-between;gap:10px;padding:7px 10px;border-top:1px solid var(--line);font-size:14px}
.tsp:first-child{border-top:0}
.tsp span{min-width:0}
.tsp b{flex:none;text-align:right;max-width:55%}
.tsp.hit{background:color-mix(in srgb,var(--warn) 18%,var(--surface))}
.tmore summary{cursor:pointer;padding:6px 0;color:var(--muted)}
.tmore{display:flex;flex-direction:column;gap:10px}
.linkbtn{background:none;border:0;padding:0;color:inherit;text-decoration:underline;font:inherit;cursor:pointer}
.tadm{border-top:1px dashed var(--line);padding-top:6px;margin-top:4px}


/* ================= รู้ก่อนซ่อม · Modern Automotive Tech (โทนมืดเดียว) ================= */
:root[data-brand="changai"]{
  --ground:#101820; --surface:#192635; --sunken:#213245; --ink:#FFFFFF; --muted:#9DB0C4; --line:#2A3C52;
  --red:#3478F6; --red-soft:#16305A; --on-red:#FFFFFF; --accent:#6CCFFF; --line-green:#2FD873;
  --ok:#4FD69C; --ok-soft:#123528; --warn:#FFC266; --warn-soft:#382A12; --bad:#FF7A85; --bad-soft:#3D1A22;
  --display:"Prompt","Noto Sans Thai",system-ui,sans-serif;
  --body:"Noto Sans Thai","Prompt",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:16px; --shadow:0 1px 0 rgba(255,255,255,.04) inset,0 8px 24px rgba(0,0,0,.28);
  color-scheme:dark;
}
:root[data-brand="changai"] body{background:var(--ground) radial-gradient(900px 420px at 85% -120px,rgba(52,120,246,.20),transparent 70%) no-repeat;font-size:15.5px}
:root[data-brand="changai"] h1,:root[data-brand="changai"] h2{font-weight:600;letter-spacing:-.01em}
:root[data-brand="changai"] .top{background:rgba(16,24,32,.82);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom-color:rgba(255,255,255,.06)}
:root[data-brand="changai"] .brand small.near{color:var(--accent)}
:root[data-brand="changai"] .brand .logo{border-radius:12px;box-shadow:0 0 0 1px rgba(108,207,255,.25)}
:root[data-brand="changai"] .cartlink{border-color:var(--line);background:var(--surface)}
:root[data-brand="changai"] .tabs{background:rgba(20,31,43,.9);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top-color:rgba(255,255,255,.06)}
:root[data-brand="changai"] .tabs a[aria-current="page"]{color:var(--accent)}
:root[data-brand="changai"] .card,:root[data-brand="changai"] .door{border-color:var(--line);box-shadow:var(--shadow)}
:root[data-brand="changai"] .btn{border-radius:12px;background:linear-gradient(180deg,#4A88F8,#3478F6);box-shadow:0 6px 18px rgba(52,120,246,.30)}
:root[data-brand="changai"] .btn.ghost{background:var(--sunken);box-shadow:none;border:1px solid var(--line)}
:root[data-brand="changai"] .btn.line{background:var(--line-green);box-shadow:none;color:#06210F}
:root[data-brand="changai"] .btn:focus-visible,:root[data-brand="changai"] a:focus-visible{outline-color:var(--accent)}
:root[data-brand="changai"] input,:root[data-brand="changai"] select,:root[data-brand="changai"] textarea{background-color:var(--sunken);border-color:var(--line);color:var(--ink)}
:root[data-brand="changai"] .carbar{background:linear-gradient(135deg,#1C3150,#192635);color:var(--ink);border:1px solid #2E4767;box-shadow:var(--shadow)}
:root[data-brand="changai"] .carbar svg{color:var(--accent)}
:root[data-brand="changai"] .carbar option{color:#fff;background:#192635}
:root[data-brand="changai"] .demo{background:#2A2312;color:#FFC266}

/* หน้าแรก */
.hx{gap:18px}
.hx-hero{position:relative;display:flex;flex-direction:column;gap:12px;padding:22px 18px 18px;border-radius:20px;overflow:hidden;
  background:linear-gradient(160deg,#1B2C42 0%,#152232 55%,#121C28 100%);border:1px solid #2A3C52;box-shadow:var(--shadow)}
.hx-hero::before{content:"";position:absolute;inset:auto -60px -90px auto;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(108,207,255,.22),transparent 65%);pointer-events:none}
.hx-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(108,207,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(108,207,255,.05) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(180deg,transparent,#000 40%,transparent);-webkit-mask-image:linear-gradient(180deg,transparent,#000 40%,transparent);pointer-events:none}
.hx-hero>*{position:relative;z-index:1}
.hx-top{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.hx-pro{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;text-decoration:none;color:#fff;padding:7px 13px;border-radius:99px;background:linear-gradient(135deg,#3478F6,#6A5CFF);box-shadow:0 4px 14px rgba(52,120,246,.35);white-space:nowrap}
.hx-pro small{font-weight:500;font-size:12px;opacity:.9;background:rgba(255,255,255,.18);padding:1px 7px;border-radius:99px}
.hx-pro:hover{filter:brightness(1.08)}
.hx-pill{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:500;color:var(--accent);background:rgba(108,207,255,.10);border:1px solid rgba(108,207,255,.28);padding:4px 11px;border-radius:99px}
.hx-pill i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(108,207,255,.18);animation:hxp 2s ease-in-out infinite}
@keyframes hxp{50%{opacity:.35}}
@media (prefers-reduced-motion:reduce){.hx-pill i{animation:none}}
.hx-hero h1{font-size:clamp(28px,7.6vw,40px);line-height:1.15}
.hx-hero .hero-sub{color:#B7C6D6;font-size:15px;margin:0}
.hx-ask{display:flex;align-items:center;gap:8px;background:#0F1923;border:1px solid #33506F;border-radius:14px;padding:6px 6px 6px 12px;box-shadow:0 0 0 4px rgba(52,120,246,.10)}
.hx-ask:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(108,207,255,.16)}
.hx-ask-ic{color:var(--accent);display:flex;flex:none}.hx-ask-ic svg{width:20px;height:20px}
.hx-ask input{flex:1;min-width:0;background:transparent!important;border:0;outline:0;font-size:16px;padding:10px 0;color:#fff}
.hx-ask input::placeholder{color:#7F93A8}
.hx-ask .btn{padding:10px 14px;flex:none}
.hx-ask .btn svg{width:18px;height:18px}
@media (max-width:420px){.hx-ask .btn span{display:none}.hx-ask .btn{padding:10px 12px}}
.hx-chips{display:flex;flex-wrap:wrap;gap:8px}
.hx-chip{border:1px solid #2E4767;background:rgba(25,38,53,.8);color:#D5E1EE;border-radius:99px;padding:6px 12px;font-size:13.5px}
.hx-chip:hover{border-color:var(--accent);color:#fff}
.hx-h{font-size:17px;margin:4px 0 -6px}
.hx-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.hx-tile{display:flex;flex-direction:column;gap:6px;padding:14px;border-radius:16px;background:var(--surface);border:1px solid var(--line);text-decoration:none;box-shadow:var(--shadow);transition:border-color .15s,transform .15s;min-width:0}
.hx-tile:hover{border-color:#3C5B80;transform:translateY(-1px)}
.hx-tile b{font-family:var(--display);font-weight:600;font-size:16px}
.hx-tile>span:last-child{color:var(--muted);font-size:13px;line-height:1.45}
.hx-ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:var(--accent);background:linear-gradient(145deg,rgba(52,120,246,.28),rgba(108,207,255,.10));border:1px solid rgba(108,207,255,.22)}
.hx-ic svg{width:22px;height:22px}
.hx-trust{display:flex;flex-wrap:wrap;gap:6px 14px;justify-content:center;color:var(--muted);font-size:12.5px}
@media (min-width:720px){
  .hx-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .hx-hero{padding:34px 32px 28px}
}
@media (min-width:720px){main:has(.hx){max-width:920px}}
.hx-trust{margin-top:-6px}