:root{--navy:#0b2a6f;--blue:#1f6fe5;--sky:#e8f2ff;--sky2:#d3e6ff;--ink:#16233f;--mut:#5b6b8a;--yel:#ffc928;--r:18px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font-family:"Prompt","Noto Sans Thai",system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;color:var(--ink);background:#f6faff;line-height:1.6;font-size:clamp(14px,.32vw + 13px,18px)}
a{color:var(--blue);text-decoration:none}
img{max-width:100%;height:auto}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 clamp(12px,2.2vw,28px)}

/* header */
.top{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 10px rgba(11,42,111,.08)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand img{height:36px;width:auto;display:block}
.brand{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--navy)}
.nav{display:flex;gap:4px}
.nav a{padding:8px 14px;border-radius:999px;color:var(--navy);font-weight:600}
.nav a.on,.nav a:hover{background:var(--sky);color:var(--blue)}
.burger{display:none;background:none;border:0;padding:10px 8px;cursor:pointer}
.burger i{display:block;width:24px;height:3px;background:var(--navy);border-radius:2px;margin:4px 0}
button,input,select,textarea{font-family:inherit}
@media(max-width:820px){
 .burger{display:block}
 .nav{display:none;position:absolute;top:60px;left:0;right:0;background:#fff;flex-direction:column;padding:8px 16px 14px;box-shadow:0 8px 12px rgba(11,42,111,.1)}
 .nav.open{display:flex}
}

/* cover */
.cover{background:#fff}
.cover .wrap{padding:12px 16px 0}

.cover video{
  width:100%;
  height:clamp(130px,22vw,280px);   /* ปรับลื่นตามความกว้างจอ */
  object-fit:cover;
  object-position:center;
  display:block;
}

.btn{display:inline-block;background:var(--yel);color:#3a2a00;padding:10px 20px;border-radius:999px;font-weight:600;border:0;cursor:pointer;font-size:16px}
.btn.alt{background:var(--blue);color:#fff}
.btn.ghost{background:#fff;color:var(--blue);border:1px solid var(--sky2)}

/* sections */
section{padding:clamp(12px,2.2vw,26px) 0}
h2.sec{margin:0 0 12px;color:var(--navy);font-size:clamp(18px,1vw + 14px,26px)}
.chips{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px 14px}
.chip{display:block;background:none;border:0;text-align:center;color:var(--navy);font-weight:600}
.chip .pic{display:block;aspect-ratio:3/2;max-height:130px;margin:0 auto}
.chip .pic img{width:100%;height:100%;object-fit:contain;display:block}
.chip .nm{display:block;padding:4px 2px 0;text-align:center;font-size:15px;line-height:1.3;overflow-wrap:anywhere}
.chip:hover .nm{color:var(--blue)}
.chip small{display:block;color:var(--mut);font-weight:400;font-size:12px}

.cols2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:2fr 1fr;gap:14px}
@media(max-width:700px){.cols2,.row3{grid-template-columns:1fr}}
.pitem{display:flex;justify-content:space-between;align-items:center;gap:10px}
.know{text-align:center}
.know .bookimg{width:100%;max-width:200px;height:auto;display:block;margin:0 auto 8px}
.know ul{text-align:left}
.card{background:#fff;border:1px solid var(--sky2);border-radius:var(--r);padding:16px;box-shadow:0 4px 14px rgba(31,111,229,.06)}
.card h3{margin:0 0 8px;color:var(--navy)}
.tag{display:inline-block;background:var(--yel);color:#3a2a00;border-radius:999px;font-size:12px;font-weight:600;padding:2px 10px;margin-bottom:6px}
.card ul{list-style:none;margin:0;padding:0}
.card li{padding:8px 0;border-top:1px dashed var(--sky2)}
.card li:first-child{border-top:0}
.muted{color:var(--mut);font-size:14px}

/* filter + table */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.filters select,.filters input{padding:10px 12px;border:1px solid var(--sky2);border-radius:12px;font-size:16px;background:#fff;min-width:0;flex:1 1 160px}
.tbl{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--sky2);border-radius:var(--r);overflow:hidden}
.tbl th{background:var(--navy);color:#fff;text-align:left;padding:10px 12px;font-size:14px;white-space:nowrap}
.tbl td a{white-space:nowrap}
.tbl td{padding:10px 12px;border-top:1px solid var(--sky);vertical-align:top}
.tbl tr:hover td{background:#f4f9ff}
.price{background:var(--sky);border:1px solid var(--sky2);color:var(--blue);font-weight:600;padding:6px 12px;border-radius:999px;cursor:pointer;white-space:nowrap;font-size:15px}
.price:hover{background:var(--blue);color:#fff}
@media(max-width:700px){
 .tbl thead{display:none}
 .tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
 .tbl tr{border-top:8px solid #f6faff;padding:8px 4px}
 .tbl td{border:0;padding:3px 12px}
 .tbl td::before{content:attr(data-l) " ";color:var(--mut);font-size:13px;display:block}
}
.eye{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--sky);color:var(--blue)}
.eye:hover{background:var(--blue);color:#fff}
.empty{text-align:center;color:var(--mut);padding:20px}

/* modal */
.modal{position:fixed;inset:0;background:rgba(11,42,111,.55);display:none;align-items:center;justify-content:center;z-index:100;padding:14px}
.modal.on{display:flex}
.modal .box{background:#fff;border-radius:22px;max-width:620px;width:100%;max-height:90vh;overflow:auto;padding:18px;position:relative}
.modal .x{position:absolute;top:10px;right:12px;background:var(--sky);border:0;border-radius:999px;padding:6px 14px;font-size:14px;cursor:pointer;z-index:2;color:var(--navy)}
.car{position:relative;margin:12px 0 6px}
.car .track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;border-radius:14px;background:var(--sky);-webkit-overflow-scrolling:touch;scrollbar-width:none}
.car .track::-webkit-scrollbar{display:none}
.car .track img{flex:0 0 100%;width:100%;aspect-ratio:4/3;object-fit:contain;scroll-snap-align:center;background:#f2f7ff}
.car .nv{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;border:0;background:rgba(11,42,111,.75);cursor:pointer}
.car .nv::before{content:"";position:absolute;top:13px;width:10px;height:10px;border:solid #fff;border-width:0 0 3px 3px}
.car .nv.p{left:8px}.car .nv.p::before{left:15px;transform:rotate(45deg)}
.car .nv.n{right:8px}.car .nv.n::before{left:11px;transform:rotate(-135deg)}
.car .cnt{position:absolute;right:10px;bottom:8px;background:rgba(11,42,111,.75);color:#fff;font-size:12px;padding:2px 10px;border-radius:999px}
.thumbs-s{display:flex;gap:6px;overflow-x:auto;padding:4px 0 8px;scrollbar-width:thin}
.thumbs-s img{flex:0 0 auto;width:72px;height:54px;object-fit:cover;border-radius:8px;border:2px solid transparent;cursor:pointer;opacity:.7}
.thumbs-s img.on{border-color:var(--blue);opacity:1}
.noimg{background:var(--sky);color:var(--mut);text-align:center;padding:26px;border-radius:14px;margin:12px 0}
.detail{white-space:pre-line}

/* contact */
.contact-card{display:grid;gap:10px}
.contact-card a.row{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--sky2);border-radius:var(--r);padding:14px;color:var(--navy);font-weight:600}
.note{background:var(--sky);border-left:5px solid var(--blue);padding:12px 14px;border-radius:12px;color:var(--navy)}

footer{background:var(--navy);color:#cfe0ff;margin-top:30px;padding:20px 0;font-size:14px}
footer a{color:#fff}

/* article */
.article{background:#fff;border-radius:var(--r);padding:18px;border:1px solid var(--sky2)}
.article .body{white-space:pre-line}

/* bot */
#bot-btn{position:fixed;right:10px;bottom:10px;z-index:90;border:0;background:none;padding:0;cursor:pointer;animation:bob 3s ease-in-out infinite;-webkit-tap-highlight-color:transparent}
#bot-btn img{height:110px;width:auto;display:block;filter:drop-shadow(0 4px 6px rgba(11,42,111,.35))}
#bot-btn .hi{position:absolute;right:84px;bottom:70px;background:var(--navy);color:#fff;font-size:13px;padding:6px 12px;border-radius:14px 14px 2px 14px;white-space:nowrap;animation:pop .4s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes pop{from{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}
#bot-box{position:fixed;right:12px;bottom:128px;z-index:91;width:min(360px,calc(100vw - 24px));height:min(480px,70vh);background:#fff;border-radius:20px;box-shadow:0 10px 30px rgba(11,42,111,.35);display:none;flex-direction:column;overflow:hidden}
#bot-box.on{display:flex}
#bot-box header{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;padding:10px 14px;display:flex;align-items:center;gap:10px}
#bot-box header img{height:46px;width:auto}
#bot-box header b{flex:1}
#bot-box header button{background:none;border:0;color:#fff;font-size:14px;cursor:pointer}
#bot-msgs{flex:1;overflow:auto;padding:12px;background:#f6faff;display:flex;flex-direction:column;gap:8px}
.m{max-width:85%;padding:8px 12px;border-radius:14px;white-space:pre-line;word-break:break-word;font-size:15px}
.m.b{background:#fff;border:1px solid var(--sky2);align-self:flex-start;border-bottom-left-radius:4px}
.m.u{background:var(--blue);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.m a{font-weight:600}
.qs{display:flex;flex-wrap:wrap;gap:6px;padding:6px 12px 0;background:#f6faff}
.qs button{border:1px solid var(--sky2);background:#fff;color:var(--blue);border-radius:999px;padding:4px 10px;font-size:13px;cursor:pointer}
#bot-form{display:flex;gap:6px;padding:8px;border-top:1px solid var(--sky2);background:#fff}
#bot-form input{flex:1;padding:10px 12px;border:1px solid var(--sky2);border-radius:999px;font-size:16px;min-width:0}
#bot-form button{border:0;background:var(--blue);color:#fff;border-radius:999px;padding:0 16px;font-weight:600;cursor:pointer}

/* admin */
.adm{background:#fff;border:1px solid var(--sky2);border-radius:var(--r);padding:16px;margin-bottom:14px}
.adm label{display:block;font-weight:600;margin:10px 0 4px;color:var(--navy)}
.adm input[type=text],.adm input[type=password],.adm input[type=number],.adm input[type=url],.adm select,.adm textarea{width:100%;padding:10px 12px;border:1px solid var(--sky2);border-radius:12px;font-size:16px;font-family:inherit}
.adm textarea{min-height:120px}
.admnav{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}
.admnav a{background:#fff;border:1px solid var(--sky2);padding:8px 14px;border-radius:999px;font-weight:600}
.admnav a.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.ok{background:#e6f9ee;color:#0b6b32;padding:10px 14px;border-radius:12px;margin-bottom:10px}
.err{background:#ffe9e9;color:#a40000;padding:10px 14px;border-radius:12px;margin-bottom:10px}
.btn.red{background:#e53935;color:#fff}
.thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.thumbs div{position:relative}
.thumbs img{width:90px;height:68px;object-fit:cover;border-radius:10px}
.thumbs label{margin:0;font-weight:400;font-size:12px}

/* admin: SEO พรีวิว + ตารางสรุป */
.seo-box{border:1px solid var(--sky2);border-radius:14px;padding:4px 14px 14px;margin:10px 0;background:#fbfdff}
.serp{margin-top:10px;background:#fff;border:1px solid var(--sky2);border-radius:10px;padding:10px 12px}
.serp .u{color:#4d5156;font-size:13px;word-break:break-all}
.serp .tt{color:#1a0dab;font-size:19px;line-height:1.3}
.serp .dd{color:#4d5156;font-size:14px}
.adm:target{outline:2px solid var(--blue)}
.sum{margin:0 0 10px;color:var(--navy)}
.badge{display:inline-block;border-radius:999px;padding:1px 10px;font-size:12px;font-weight:600;background:var(--sky);color:var(--blue)}
.badge.y{background:var(--yel);color:#3a2a00}
.badge.w{background:#ffe9e9;color:#a40000}
.badge.g{background:#e6f9ee;color:#0b6b32}
.tbl.adm-t td .btn{padding:4px 12px;font-size:14px}
.tbl.adm-t td[data-l="ราคา"]{white-space:nowrap}
#tf{width:auto}

/* สไลด์รูปในการ์ดกำลังโปรโมท (16:9) */
.promo-body.has-slider{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.slider{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:var(--sky)}
.slider .strack{display:flex;height:100%;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.slider .strack::-webkit-scrollbar{display:none}
.slider .strack img{flex:0 0 100%;width:100%;height:100%;object-fit:cover;scroll-snap-align:center;display:block}
.slider .dots{position:absolute;left:0;right:0;bottom:6px;display:flex;justify-content:center;gap:5px}
.slider .dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.6);box-shadow:0 0 2px rgba(11,42,111,.5)}
.slider .dots i.on{background:#fff;width:16px;border-radius:4px}
@media(max-width:700px){.promo-body.has-slider{grid-template-columns:1fr;gap:8px}}

/* รูปสินค้าในตาราง */
.pthumb{display:block;width:56px;height:42px;object-fit:cover;border-radius:8px;background:var(--sky);cursor:pointer}
.pthumb.none{cursor:default}

/* ลูกค้าของเรา: โลโก้แสดงทั้งภาพ ไม่ถูกตัด ปรับตามความกว้างจอ */
.clients{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.cl{position:relative;display:block;min-width:0;background:#fff;border:1px solid var(--sky2);border-radius:14px;aspect-ratio:3/2;overflow:hidden}
.cl img{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:contain;padding:14px;box-sizing:border-box;display:block}
a.cl:hover{border-color:var(--blue)}
@media(max-width:700px){.clients{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.cl{border-radius:10px}.cl img{padding:10px}}

/* ป็อปอัพต้อนรับ */
html.lock{overflow:hidden}
.consent{position:fixed;inset:0;z-index:400;background:rgba(11,42,111,.6);display:none;align-items:center;justify-content:center;padding:14px}
.consent.on{display:flex}
.cbox{background:#fff;border-radius:22px;max-width:560px;width:100%;max-height:92vh;overflow:auto;padding:22px;text-align:left}
.cbox img{display:block;height:64px;width:auto;margin:0 auto 6px}
.login-mascot{display:block;height:84px;width:auto;margin:0 auto 6px}
.cbox h2{margin:0 0 8px;color:var(--navy);text-align:center;font-size:22px}
.cbox p{margin:8px 0}
.cbox ul{margin:6px 0 10px;padding-left:20px}
.cbox li{margin:6px 0}
.cbox .btn{display:block;width:100%;text-align:center;margin-top:12px;cursor:pointer}
.cbox .linkbtn{display:block;width:100%;margin-top:8px;padding:8px;background:none;border:0;color:var(--mut);font:inherit;font-size:14px;text-decoration:underline;cursor:pointer}
@media(max-width:700px){.cbox img{height:52px}.login-mascot{height:70px}.cbox{padding:16px;border-radius:18px}.cbox h2{font-size:19px}.cbox p,.cbox li{font-size:13px}}

/* ===== ปรับตามหน้าจอ (แท็บเล็ต / จอใหญ่) ===== */
video,iframe,table{max-width:100%}
.card{padding:clamp(10px,1.6vw,18px)}
.chips{gap:clamp(8px,1.6vw,18px) clamp(6px,1.2vw,14px)}
.chip .nm{font-size:clamp(11px,.5vw + 9px,16px)}
.modal .box{max-height:90dvh}
@media(max-width:900px){
  .row3{grid-template-columns:1fr}                 /* แท็บเล็ต: การ์ดโปรโมทเต็มแถว */
  .promo-body.has-slider{grid-template-columns:1fr 1fr}
}
@media(min-width:1400px){
  .cols2,.row3{gap:20px}
}

/* สถิติเข้าชม (Admin) */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.stat{background:var(--sky);border-radius:14px;padding:10px 12px;color:var(--mut);font-size:13px}
.stat b{display:block;font-size:24px;line-height:1.2;color:var(--navy)}
.bars{display:flex;align-items:flex-end;gap:4px;height:130px;padding-top:8px}
.bars i{flex:1;display:block;background:var(--blue);border-radius:4px 4px 0 0;min-height:2px}
.bars i.zero{background:var(--sky2)}
.barlbl{display:flex;gap:4px;margin-top:4px}
.barlbl span{flex:1;text-align:center;font-size:10px;color:var(--mut)}
.rank{display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-top:1px dashed var(--sky2)}
.rank:first-of-type{border-top:0}
.rank b{color:var(--navy);white-space:nowrap}

/* ===== มือถือ: ย่อขนาด ลดช่องไฟ ให้เห็นภาพรวมง่าย ===== */
@media(max-width:700px){
 body{font-size:14px;line-height:1.4}
 .wrap{padding:0 12px}
 .top .wrap{height:50px}
 .brand img{height:28px}
 .nav{top:50px}
 .nav a{padding:6px 12px}
 .cover .wrap{padding:8px 12px 0}

 section{padding:12px 0}
 h2.sec{font-size:17px;margin:0 0 8px}
 .btn{padding:7px 14px;font-size:14px}

 /* หมวดสินค้า: 3 คอลัมน์ ภาพเล็กลง */
 .chips{gap:8px 4px}
 .chip .pic{aspect-ratio:16/10}
 .chip .nm{padding:2px 0;font-size:11px;line-height:1.2}
 .chip small{font-size:10px}

 /* การ์ด */
 .cols2,.row3{gap:10px}
 .card{padding:10px 12px;border-radius:14px}
 .card h3{font-size:15px;margin:0 0 4px}
 .card li{padding:5px 0}
 .card p{margin:6px 0 0}
 .tag{font-size:11px;padding:1px 8px;margin-bottom:4px}
 .muted{font-size:12px}
 .pitem{gap:8px}
 .know .bookimg{max-width:80px;margin:0 auto 4px}
 .price{padding:4px 10px;font-size:13px}

 /* ฟิลเตอร์ */
 .filters{gap:6px;margin-bottom:8px}
 .filters select,.filters input{padding:7px 10px;font-size:14px;border-radius:10px;flex:1 1 120px}

 /* ตารางสินค้า: คงเป็นตารางแถว-คอลัมน์ ย่อให้พอดีจอมือถือ */
 .tbl{display:table;width:100%;border-radius:12px}
 .tbl thead{display:table-header-group}
 .tbl tbody{display:table-row-group}
 .tbl tr{display:table-row;border:0;padding:0}
 .tbl th,.tbl td{display:table-cell;width:auto;font-size:12px;line-height:1.3;padding:6px 6px;vertical-align:middle}
 .tbl th{white-space:normal}
 .tbl td::before{display:none}
 .tbl th:first-child,.tbl td:first-child{display:none}
 .tbl td[data-l="งาน"]{color:var(--mut);font-size:11px}
 .tbl{table-layout:fixed}
 .tbl th:nth-child(2){width:46px}
 .tbl th:nth-child(3){width:33%}
 .tbl th:nth-child(4){width:25%}
 .tbl th:nth-child(5){width:46px;text-align:center}
 .pthumb{width:36px;height:36px}
 .tbl td[data-l="รูป"]{padding:4px 2px}
 .tbl td[data-l="หัวข้อ"],.tbl td[data-l="งาน"]{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 .tbl td[data-l="ตัวอย่าง"]{text-align:center;padding:4px 2px}
 .eye{width:30px;height:30px}
 .tbl td[data-l="ราคา"]{text-align:right;padding:6px 6px}
 .tbl .price{padding:3px 8px;font-size:12px}
 .more{display:none}
 .note{padding:8px 10px;font-size:13px;border-left-width:4px;border-radius:10px}

 /* ส่วนอื่น */
 .article{padding:12px;border-radius:14px}
 .contact-card{gap:8px}
 .contact-card a.row{padding:10px;gap:8px;border-radius:14px}
 footer{margin-top:16px;padding:12px 0;font-size:12px;line-height:1.4}

 /* น้องบอท */
 #bot-btn img{height:64px}
 #bot-btn .hi{right:50px;bottom:40px;font-size:11px;padding:4px 9px}
 #bot-box{bottom:80px;height:min(440px,65vh)}
 #bot-box header img{height:36px}
 .m{font-size:14px;padding:6px 10px}
}