:root{
  --red:#8f1d22; --red-d:#6f1318; --red-l:#fbeeee;
  --navy:#12263f; --navy-l:#e8eef6;
  --ink:#1c2430; --mut:#4f5b6b; --line:#d9dfe7; --bg:#f4f6f9; --card:#fff;
  --green:#06a050; --ok:#0b7a3b; --warn:#8a5a00;
  --r:14px; --sh:0 1px 3px rgba(18,38,63,.12),0 4px 14px rgba(18,38,63,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"IBM Plex Sans Thai","Noto Sans Thai",system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;font-size:17px;line-height:1.55;color:var(--ink);background:var(--bg);overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--red);text-decoration-thickness:1px;text-underline-offset:2px}
h1,h2,h3{line-height:1.3;margin:0 0 .5em}
h1{font-size:1.5rem} h2{font-size:1.3rem} h3{font-size:1.1rem}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid #f5a623;outline-offset:2px}
main{min-height:55vh;padding-top:18px;padding-bottom:110px;outline:none}

/* header */
.top{background:var(--red);color:#fff;position:sticky;top:0;z-index:40;box-shadow:0 2px 8px rgba(0,0,0,.18)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;min-width:0}
.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--navy);display:grid;place-items:center;flex:none}
.logo-mark svg{width:26px;height:26px}
.logo-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.logo-text b{font-size:1.08rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo-text small{font-size:.78rem;opacity:.9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cart-btn{position:relative;display:flex;align-items:center;gap:6px;color:#fff;text-decoration:none;min-height:44px;padding:0 12px;border-radius:12px;background:rgba(255,255,255,.14);font-weight:600;flex:none}
.cart-btn:hover{background:rgba(255,255,255,.24)}
.badge{background:#fff;color:var(--red);min-width:22px;height:22px;border-radius:11px;font-size:.82rem;font-weight:700;display:grid;place-items:center;padding:0 6px}
.badge[hidden]{display:none}
.sample-note{background:#fff3cd;color:#5c4400;text-align:center;font-size:.9rem;padding:6px 12px}

/* search */
.searchzone{background:var(--navy);color:#fff;padding:14px 0 16px}
.searchzone.home{padding:26px 0 26px;background:linear-gradient(160deg,var(--navy),#1d3a5f)}
.hero-text{display:none}
.searchzone.home .hero-text{display:block}
.hero-text h1{font-size:1.45rem;margin-bottom:.7em}
.searchbox{display:flex;align-items:center;gap:8px;background:#fff;color:var(--ink);border-radius:14px;padding:0 8px 0 14px;min-height:56px;box-shadow:0 3px 12px rgba(0,0,0,.25)}
.searchbox svg{flex:none;color:var(--mut)}
.searchbox input{flex:1;min-width:0;border:0;outline:0;background:none;font:inherit;font-size:1.08rem;min-height:52px;color:var(--ink)}
.searchzone.home .searchbox{min-height:64px}
.searchzone.home .searchbox input{font-size:1.15rem}
.searchbox:focus-within{outline:3px solid #f5a623}
.qclear{border:0;background:var(--line);color:var(--ink);width:36px;height:36px;border-radius:50%;font-size:1.4rem;line-height:1;cursor:pointer;flex:none}
.hint{margin:10px 0 0;font-size:.92rem;color:#cfd9e6}
.hint a{color:#fff;text-decoration:underline;padding:4px 2px}
.searchzone:not(.home) .hint{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:12px;border:2px solid transparent;font:inherit;font-weight:600;font-size:1.03rem;cursor:pointer;text-decoration:none;text-align:center;line-height:1.2;transition:background .15s}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-d)}
.btn-navy{background:var(--navy);color:#fff}.btn-navy:hover{background:#0c1a2d}
.btn-line{background:var(--green);color:#fff}.btn-line:hover{background:#058a44}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--navy)}.btn-ghost:hover{background:var(--navy-l)}
.btn-block{display:flex;width:100%}
.btn-lg{min-height:56px;font-size:1.12rem}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.link-btn{background:none;border:0;color:var(--red);font:inherit;text-decoration:underline;cursor:pointer;padding:8px 4px;min-height:44px}

/* sections */
.sec{margin:6px 0 30px}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:10px}
.sec-h h2{margin:0}
.sec-h p{margin:0;color:var(--mut);font-size:.95rem}
.panel{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:16px}

/* wizard */
.wiz{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:16px}
.wiz-step{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.wiz-step b{width:30px;height:30px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;flex:none}
.wiz-step h2{margin:0;font-size:1.15rem}
.grid-btn{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.big{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:68px;padding:10px 8px;background:#fff;border:2px solid var(--line);border-radius:12px;font:inherit;font-weight:600;color:var(--navy);cursor:pointer;text-align:center;text-decoration:none}
.big:hover,.big:active{border-color:var(--red);background:var(--red-l)}
.big small{font-weight:400;color:var(--mut);font-size:.84rem}
.big .en{font-size:.8rem;font-weight:500;color:var(--mut)}

/* category cards */
.cats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.cat{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 8px;background:#fff;border-radius:var(--r);box-shadow:var(--sh);text-decoration:none;color:var(--navy);font-weight:600;text-align:center;border:2px solid transparent}
.cat:hover{border-color:var(--red)}
.cat .ico{width:64px;height:64px;color:var(--red)}
.cat small{font-weight:400;color:var(--mut)}

/* product grid */
.pgrid{display:grid;grid-template-columns:1fr;gap:12px}
.pcard{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);display:flex;flex-direction:column;overflow:hidden;min-width:0}
.pimg{display:grid;place-items:center;background:var(--navy-l);color:var(--red);height:130px;text-decoration:none;position:relative}
.pimg .ico{width:92px;height:92px}
.pimg img{width:100%;height:100%;object-fit:contain;background:#fff}
.pbody{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.psku{font-weight:700;color:var(--red);font-size:1.05rem;letter-spacing:.2px}
.pname{margin:0;font-size:1rem;font-weight:600;color:var(--ink);text-decoration:none;line-height:1.35}
.pname:hover{text-decoration:underline}
.pmeta{color:var(--mut);font-size:.92rem;margin:0}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{background:var(--navy-l);color:var(--navy);border-radius:8px;padding:2px 9px;font-size:.84rem;font-weight:500}
.tag.red{background:var(--red-l);color:var(--red-d)}
.price{font-size:1.35rem;font-weight:700;color:var(--navy)}
.price.ask{font-size:1.05rem;color:var(--warn)}
.pfoot{margin-top:auto;display:flex;flex-direction:column;gap:8px;padding-top:6px}

/* list page */
.crumb{font-size:.92rem;color:var(--mut);margin:0 0 10px}
.filters{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:12px 14px;margin-bottom:14px}
.frow{margin:0 0 10px}.frow:last-child{margin:0}
.flabel{font-weight:600;font-size:.95rem;margin:0 0 6px;color:var(--navy)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-height:44px;padding:0 14px;border-radius:22px;border:2px solid var(--line);background:#fff;font:inherit;font-size:.98rem;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.chip:hover{border-color:var(--navy)}
.chip[aria-pressed="true"]{background:var(--red);border-color:var(--red);color:#fff;font-weight:600}
.chip .n{font-size:.8rem;opacity:.75}
.chip[disabled]{opacity:.4;cursor:not-allowed}
.bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:0 0 12px}
.bar .count{font-weight:600}
select.sel{min-height:44px;border:2px solid var(--line);border-radius:10px;padding:0 10px;font:inherit;background:#fff;color:var(--ink)}
.empty{text-align:center;padding:30px 16px;background:#fff;border-radius:var(--r);box-shadow:var(--sh)}
.empty svg{width:70px;height:70px;color:var(--mut)}
.more{text-align:center;margin:18px 0}
.fold-btn{display:none}

/* detail */
.detail{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}
.dimg{background:var(--navy-l);border-radius:var(--r);display:grid;place-items:center;color:var(--red);min-height:220px;overflow:hidden}
.dimg .ico{width:170px;height:170px}
.dimg img{width:100%;max-height:380px;object-fit:contain;background:#fff}
.dinfo h1{font-size:1.4rem;margin:2px 0 6px}
.dinfo .psku{font-size:1.2rem}
.spec{width:100%;border-collapse:collapse;margin:10px 0}
.spec th,.spec td{padding:9px 6px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec th{width:38%;color:var(--mut);font-weight:500}
.oems{display:flex;flex-wrap:wrap;gap:8px}
.oem{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 12px;border:2px dashed var(--navy);border-radius:10px;background:#fff;font:inherit;font-weight:600;color:var(--navy);cursor:pointer}
.oem:hover{background:var(--navy-l)}
.oem small{font-weight:500;color:var(--red);font-size:.8rem}
.buyrow{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.qty{display:inline-flex;align-items:center;border:2px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
.qty button{width:48px;height:48px;border:0;background:none;font-size:1.5rem;cursor:pointer;color:var(--navy)}
.qty button:hover{background:var(--navy-l)}
.qty input{width:56px;height:48px;border:0;text-align:center;font:inherit;font-weight:600;font-size:1.1rem;background:none;color:var(--ink);-moz-appearance:textfield}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none}

/* cart */
.cline{display:grid;grid-template-columns:64px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.cline:last-child{border-bottom:0}
.cthumb{width:64px;height:64px;border-radius:10px;background:var(--navy-l);color:var(--red);display:grid;place-items:center}
.cthumb .ico{width:46px;height:46px}
.cline .ctl{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:6px}
.sum{display:flex;justify-content:space-between;padding:6px 0}
.sum.total{font-weight:700;font-size:1.25rem;border-top:2px solid var(--navy);margin-top:6px;padding-top:10px}
.note{background:#fff8e1;border-left:4px solid #f5a623;padding:10px 12px;border-radius:8px;font-size:.95rem;margin:10px 0}
.note.blue{background:var(--navy-l);border-color:var(--navy)}

/* form */
.field{margin-bottom:14px}
.field label,.field .lab{display:block;font-weight:600;margin-bottom:5px}
.field .req{color:var(--red)}
.field input[type=text],.field input[type=tel],.field textarea{width:100%;min-height:50px;border:2px solid var(--line);border-radius:12px;padding:10px 12px;font:inherit;background:#fff;color:var(--ink)}
.field textarea{min-height:90px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--navy);outline:0}
.field .err{color:#b00020;font-size:.9rem;margin-top:4px;display:none}
.field.bad .err{display:block}.field.bad input,.field.bad textarea{border-color:#b00020}
.radios{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.radios label{display:flex;align-items:center;justify-content:center;min-height:52px;border:2px solid var(--line);border-radius:12px;cursor:pointer;margin:0;font-weight:600;text-align:center;padding:4px 8px;background:#fff}
.radios input{position:absolute;opacity:0;pointer-events:none}
.radios input:checked+span{color:#fff}
.radios label:has(input:checked){background:var(--navy);border-color:var(--navy);color:#fff}
.radios label:has(input:focus-visible){outline:3px solid #f5a623}

/* done */
.ok-head{text-align:center;padding:10px 0 6px}
.ok-head .tick{width:64px;height:64px;border-radius:50%;background:var(--ok);color:#fff;display:grid;place-items:center;margin:0 auto 8px}
.orderno{display:inline-block;background:var(--navy-l);color:var(--navy);font-weight:700;font-size:1.3rem;padding:4px 14px;border-radius:10px;letter-spacing:.5px}
.qrbox{text-align:center}
.qrbox .qr{display:inline-block;background:#fff;padding:12px;border:1px solid var(--line);border-radius:12px}
.qrbox .qr svg,.qrbox .qr img{width:230px;height:230px;display:block}
.steps{counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;position:relative;padding:6px 0 6px 40px}
.steps li::before{content:counter(s);position:absolute;left:0;top:6px;width:28px;height:28px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.9rem}
.mt{margin-top:14px}.mb{margin-bottom:14px}
.row-ln{display:flex;justify-content:space-between;gap:10px;padding:5px 0;border-bottom:1px dashed var(--line)}
.row-ln:last-child{border:0}
.row-ln>span{min-width:0;overflow-wrap:anywhere}
.row-ln>strong{flex:none;white-space:nowrap}

/* footer */
.foot{background:var(--navy);color:#dfe7f1;padding:26px 0 90px;margin-top:20px}
.foot a{color:#fff}
.foot h3{color:#fff;font-size:1.05rem}
.foot p{margin:.3em 0}
.foot-grid{display:grid;grid-template-columns:1fr;gap:16px}
.copy{margin-top:18px;font-size:.88rem;opacity:.8}

/* floating */
.float{position:fixed;right:12px;bottom:14px;display:flex;flex-direction:column;gap:10px;z-index:50}
.fab{display:flex;align-items:center;justify-content:center;gap:6px;min-width:56px;height:56px;border-radius:28px;color:#fff;text-decoration:none;font-weight:700;box-shadow:0 3px 10px rgba(0,0,0,.3);padding:0 16px}
.fab-line{background:var(--green)}.fab-tel{background:var(--navy)}
.toast{position:fixed;left:50%;bottom:150px;transform:translateX(-50%);background:#111c2b;color:#fff;padding:12px 18px;border-radius:12px;z-index:70;max-width:calc(100% - 32px);box-shadow:0 6px 20px rgba(0,0,0,.35);display:flex;gap:12px;align-items:center}
.toast[hidden]{display:none}
.toast a{color:#ffd9d9;font-weight:700;white-space:nowrap}
.loading{text-align:center;padding:50px 0;color:var(--mut)}
.spin{width:36px;height:36px;border:4px solid var(--line);border-top-color:var(--red);border-radius:50%;margin:0 auto 10px;animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}

@media (min-width:560px){
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .grid-btn{grid-template-columns:repeat(3,1fr)}
  .cats{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:820px){
  body{font-size:17px}
  h1{font-size:1.8rem}
  .hero-text h1{font-size:1.9rem}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .grid-btn{grid-template-columns:repeat(4,1fr)}
  .detail{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
  .foot-grid{grid-template-columns:2fr 1.5fr 2fr}
  .buyrow{flex-direction:row;align-items:center;flex-wrap:wrap}
  .searchbox{max-width:760px}
  .float{bottom:20px;right:20px}
  .toast{bottom:40px}
}
@media (min-width:1050px){.pgrid{grid-template-columns:repeat(4,1fr)}.cats{grid-template-columns:repeat(6,1fr)}}
@media (max-width:380px){.logo-text small{display:none}.cart-label{display:none}.radios{grid-template-columns:1fr}}
.searchbox input::-webkit-search-cancel-button,.searchbox input::-webkit-search-decoration{-webkit-appearance:none;appearance:none;display:none}
/* fitments */
.fit-list{list-style:none;margin:0;padding:0;background:#fff;border-radius:var(--r);box-shadow:var(--sh)}
.fit-list li{padding:10px 14px;border-bottom:1px solid var(--line);display:flex;flex-direction:column}
.fit-list li:last-child{border:0}
.fit-list li span{color:var(--mut);font-size:.92rem}
.fit-table{display:none;width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh)}
.fit-table th,.fit-table td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--line)}
.fit-table th{background:var(--navy-l);color:var(--navy)}
details summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:600;color:var(--red);margin-bottom:6px}
@media (min-width:700px){.fit-both .fit-list{display:none}.fit-both .fit-table{display:table}}
.sum{gap:14px}.sum span:last-child{text-align:right}
.sample-note.warn{background:#ffe0e0;color:#7a0010;font-weight:600}
.sum span:first-child{white-space:nowrap}
/* รูปสินค้า / แกลเลอรี */
.pimg{height:auto;aspect-ratio:4/3}
.pimg img{width:100%;height:100%;object-fit:contain;background:#fff;display:block}
.cthumb{overflow:hidden}.cthumb img{width:100%;height:100%;object-fit:cover}
.gal{position:relative;min-width:0}
.gal-main{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;aspect-ratio:4/3;background:#fff;border-radius:var(--r);box-shadow:var(--sh);scrollbar-width:none;overscroll-behavior-x:contain}
.gal-main::-webkit-scrollbar{display:none}
.gal-slide{flex:0 0 100%;scroll-snap-align:center;display:grid;place-items:center;min-width:0}
.gal-slide img{max-width:100%;max-height:100%;width:100%;height:100%;object-fit:contain;cursor:zoom-in}
.gal-slide .ico{width:140px;height:140px;color:var(--red)}
.gal-count{position:absolute;top:10px;right:10px;background:rgba(18,38,63,.85);color:#fff;font-size:.85rem;padding:2px 10px;border-radius:12px}
.gal-thumbs{display:flex;gap:8px;overflow-x:auto;padding:10px 2px 4px}
.gth{flex:none;width:64px;height:64px;border:2px solid var(--line);border-radius:10px;padding:0;background:#fff;cursor:pointer;overflow:hidden}
.gth img{width:100%;height:100%;object-fit:cover;display:block}
.gth[aria-current=true]{border-color:var(--red);box-shadow:0 0 0 2px var(--red-l)}
.lb{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center}
.lb[hidden]{display:none}
.lb img{max-width:100%;max-height:86vh;object-fit:contain;user-select:none}
.lb-x{position:absolute;top:10px;right:10px;width:48px;height:48px;border-radius:50%;border:0;background:#fff;color:#111;font-size:1.8rem;cursor:pointer;z-index:2}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:64px;border:0;background:rgba(255,255,255,.85);color:#111;font-size:2rem;cursor:pointer;border-radius:10px;z-index:2}
.lb-prev{left:6px}.lb-next{right:6px}
.lb.single .lb-nav{display:none}
.lb-count{position:absolute;bottom:16px;left:0;right:0;text-align:center;color:#fff}
.desc{white-space:pre-line;line-height:1.7}
.chip-more{border-style:dashed;color:var(--navy);font-weight:600}
a.chip{text-decoration:none}
details.filters>summary{cursor:pointer;min-height:44px;display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-weight:700;color:var(--navy);list-style-position:inside;margin:-4px 0 4px}
details.filters>summary .act{font-weight:500;color:var(--red);font-size:.92rem}
details.filters:not([open])>summary{margin:0}
/* มือถือ: การ์ดสินค้า 2 คอลัมน์แบบกระชับ (>=340px) */
@media (min-width:340px) and (max-width:559px){
  .pgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .pbody{padding:8px 10px 10px;gap:4px}
  .psku{font-size:.92rem;overflow-wrap:anywhere}
  .pname{font-size:.9rem;line-height:1.3;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .pmeta{font-size:.82rem}
  .pcard .pmeta{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .tags{gap:4px}.pcard .tag{font-size:.75rem;padding:1px 7px}
  .pcard .tags .tag:nth-child(n+3){display:none}
  .price{font-size:1.1rem}.price.ask{font-size:.92rem}
  .pfoot{gap:6px}.pfoot .btn{min-height:44px;padding:0 6px;font-size:.88rem}
  .pimg .ico{width:64px;height:64px}
}
/* ตัวกรองแบบมีช่องค้นหา / ค้นหาหมวด */
.fpanel{margin-top:8px;padding:10px;background:var(--bg);border-radius:12px}
.fsearch,#catq{width:100%;min-height:46px;border:2px solid var(--line);border-radius:10px;padding:0 12px;font:inherit;background:#fff;color:var(--ink)}
.fopts{max-height:260px;overflow-y:auto;margin-top:8px;align-content:flex-start}
.searchbox.light{box-shadow:none;border:2px solid var(--line);min-height:48px;padding:0 6px}
.searchbox.light input{min-height:44px}
.gname{color:var(--mut);font-size:.78rem}
.chip[aria-pressed=true] .gname{color:#fff}

[hidden]{display:none!important}