/* we67.top — Bend line. Press-brake fabrication job: graphite-green enamel ram + sectional punch tooling,
   laser-cut flat blank, CNC controller screen, bend-step sections, V-die footer. */
:root{
  --bg:#E4EAE7;--sheet:#F6F8F7;--sheet-2:#ECF0EE;--line:#B9C5C1;--line-2:#D2DAD7;--steel:#8F9E9A;
  --ink:#152023;--ink-2:#3C4A4D;
  --en:#22302F;--en-2:#2B3B3A;--en-3:#374846;--en-dk:#182221;--en-ink:#E6EDEA;--en-mut:#AEBDB9;
  --amber:#F0A020;--amber-2:#C9820E;--amber-lt:#FCEBC6;--amber-ink:#1B1406;
  --bend:#BE3727;--cyan:#6ED3D8;--screen:#0D1618;--ok:#5BD68A;
  --f-d:"Noto Sans Thai",system-ui,sans-serif;--f-b:"Sarabun","Noto Sans Thai",system-ui,sans-serif;--f-m:"Azeret Mono","Sarabun",ui-monospace,monospace;
  --w:1240px;--gut:16px;--hh:0px;--focus:var(--ink);
  /* game-core tokens */
  --primary:#22302F;--primary-contrast:#fff;--accent:#F0A020;--surface:#F6F8F7;--surface-2:#ECF0EE;--text:#152023;--heading:#152023;--muted:#3C4A4D;--border:#B9C5C1;
  --font-head:"Noto Sans Thai",system-ui,sans-serif;--font-body:"Sarabun",system-ui,sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--hh) + 16px)}
body{margin:0;min-width:320px;overflow-x:hidden;color:var(--ink);background-color:var(--bg);
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.2) 0 1px,transparent 1px 3px);
  font:400 17px/1.8 var(--f-b);-webkit-font-smoothing:antialiased}
body.lang-en{line-height:1.65}
img,svg{max-width:100%}
a{color:inherit}
p{margin:0 0 1em}
h1,h2,h3{font-family:var(--f-d);font-stretch:72%;font-weight:800;color:var(--ink);line-height:1.32;margin:0;text-wrap:balance}
.lang-en h1,.lang-en h2,.lang-en h3{line-height:1.08;letter-spacing:-.005em}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.ram,.die,.ctrl,.cycle,.demo{--focus:var(--amber)}
.w{width:100%;max-width:var(--w);margin:0 auto;padding:0 var(--gut)}
@media (min-width:768px){:root{--gut:28px}}
.skip{position:absolute;left:12px;top:0;z-index:100;padding:12px 18px;background:var(--amber);color:var(--amber-ink);font-weight:700;text-decoration:none;transform:translateY(-130%);transition:transform .15s}
.skip:focus{transform:translateY(8px)}
.led{display:inline-block;flex:none;width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 2px rgba(91,214,138,.18),0 0 8px rgba(91,214,138,.7)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 20px;border-radius:4px;font:700 16px/1.2 var(--f-b);text-decoration:none;cursor:pointer;
  transition:transform .12s,box-shadow .12s,background-color .15s,color .15s;touch-action:manipulation;text-align:center}
.btn-go{background:var(--amber);color:var(--amber-ink);box-shadow:inset 0 -4px 0 var(--amber-2),0 1px 0 rgba(0,0,0,.15)}
.btn-go:hover{background:#F6B23E}
.btn-go:active{transform:translateY(2px);box-shadow:inset 0 -1px 0 var(--amber-2)}
.btn-lg{min-height:56px;padding:0 26px;font-size:17.5px}
.btn-line{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:var(--sheet)}
.go-i{flex:none;width:14px;height:12px;background:currentColor;clip-path:polygon(0 0,100% 0,100% 40%,50% 100%,0 40%)}

/* ===== header: the ram ===== */
.ram{position:relative;z-index:40;color:var(--en-ink);background:var(--en)}
@media (min-width:980px){.ram{position:sticky;top:0}}
.ram-strip{background:var(--en-dk);border-bottom:1px solid rgba(255,255,255,.06)}
.strip-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px}
.indep{display:flex;align-items:center;gap:10px;margin:0;font:500 13.5px/1.45 var(--f-b);color:var(--en-mut);min-width:0;padding:6px 0}
.lsw{display:flex;flex:none}
.lsw a{display:inline-flex;align-items:center;gap:7px;min-height:44px;min-width:44px;padding:0 10px;justify-content:center;color:var(--en-mut);text-decoration:none;font:500 14px/1 var(--f-b);border-bottom:3px solid transparent}
.lsw a b{font:700 12.5px/1 var(--f-m);letter-spacing:.06em;color:var(--en-ink)}
.lsw a span{display:none}
.lsw a[aria-current]{border-bottom-color:var(--amber);color:var(--en-ink)}
.lsw a:hover{color:var(--en-ink);background:rgba(255,255,255,.05)}
@media (min-width:640px){.lsw a span{display:inline}}
.ram-beam{position:relative;background:linear-gradient(180deg,var(--en-2) 0%,var(--en) 70%,#1D2928 100%)}
.ram-beam::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.08)}
.beam-in{display:flex;align-items:center;gap:14px;min-height:68px}

/* nameplate */
.plate{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:6px 14px 6px 9px;margin-right:auto;text-decoration:none;color:var(--ink);border-radius:3px;
  background:linear-gradient(100deg,#DDE4E1 0%,#C3CDCA 45%,#D7DFDC 60%,#B8C3C0 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.7),inset 0 -1px 0 rgba(0,0,0,.25),0 2px 0 rgba(0,0,0,.25)}
.plate-mk{position:relative;flex:none;width:22px;height:30px}
.plate-mk i{position:absolute;left:0;right:0;background:var(--ink)}
.plate-mk i:first-child{top:0;height:15px;clip-path:polygon(18% 0,82% 0,82% 55%,50% 100%,18% 55%)}
.plate-mk i:last-child{bottom:0;height:11px;background:var(--bend);clip-path:polygon(0 0,34% 0,50% 60%,66% 0,100% 0,100% 100%,0 100%)}
.plate-t{display:grid;line-height:1.1}
.plate-t b{font:700 19px/1 var(--f-m);letter-spacing:.08em;text-shadow:0 1px 0 rgba(255,255,255,.55)}
.plate-t small{font:500 11.5px/1.3 var(--f-m);color:#34423F;margin-top:3px}
.plate:hover .plate-mk i:first-child{transform:translateY(2px)}

/* foot-pedal menu toggle */
.pedal{display:inline-flex;align-items:center;gap:9px;min-height:48px;min-width:48px;padding:0 14px 0 10px;border:1px solid rgba(255,255,255,.14);border-radius:6px;background:var(--en-dk);color:var(--en-ink);font:600 15.5px/1 var(--f-b);cursor:pointer;touch-action:manipulation}
.pedal-i{position:relative;width:26px;height:22px;border-radius:4px 4px 2px 2px;background:#3D4F4D;box-shadow:inset 0 0 0 1.5px #58706D}
.pedal-i::after{content:"";position:absolute;left:4px;right:4px;top:4px;height:9px;background:var(--amber);border-radius:2px;transform-origin:50% 100%;transform:perspective(40px) rotateX(18deg);transition:transform .18s}
.pedal[aria-expanded="true"] .pedal-i::after{transform:perspective(40px) rotateX(48deg) translateY(3px);background:#FFC14F}
.pedal:hover{border-color:var(--amber)}

/* nav: sectional punch tooling */
.tooling ol{list-style:none;margin:0;padding:0}
.punch{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--en-ink)}
.punch-n{font:700 11.5px/1 var(--f-m);color:var(--en-mut);letter-spacing:.04em}
.punch-l{font:600 16px/1.3 var(--f-b)}
@media (max-width:979.98px){
  .tooling{display:none;position:absolute;left:0;right:0;top:100%;padding:8px var(--gut) 18px;background:var(--en-2);border-top:1px solid rgba(255,255,255,.08);box-shadow:0 22px 30px -18px rgba(0,0,0,.55);max-height:calc(100vh - 120px);overflow:auto}
  .ram.nav-open .tooling{display:block}
  .tooling li{border-bottom:1px solid rgba(255,255,255,.08)}
  .punch{min-height:54px;padding:6px 4px}
  .punch-n{width:36px}
  .punch[aria-current]{color:var(--amber)}
  .punch[aria-current] .punch-n{color:var(--amber)}
  .nav-go{margin-top:16px;width:100%}
}
@media (min-width:980px){
  .pedal{display:none}
  .tooling{display:flex;align-items:stretch;gap:18px;align-self:stretch}
  .tooling ol{display:flex;align-items:stretch;gap:3px}
  .tooling li{display:flex}
  .punch{position:relative;flex-direction:column;align-items:flex-start;justify-content:center;gap:3px;padding:10px 14px 14px;min-height:68px;
    background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.07));border-left:1px solid rgba(255,255,255,.07);border-right:1px solid rgba(0,0,0,.25)}
  .punch::after{content:"";position:absolute;left:50%;bottom:-9px;width:22px;height:10px;margin-left:-11px;background:#9FAEAA;clip-path:polygon(0 0,100% 0,50% 100%);transition:transform .15s,background-color .15s;z-index:2}
  .punch:hover::after{transform:translateY(3px)}
  .punch:hover .punch-l{color:#fff}
  .punch[aria-current]{background:linear-gradient(180deg,rgba(240,160,32,.06),rgba(240,160,32,.16));box-shadow:inset 0 -3px 0 var(--amber)}
  .punch[aria-current]::after{background:var(--amber);transform:translateY(3px)}
  .punch[aria-current] .punch-n{color:var(--amber)}
  .punch-l{font-size:15.5px;white-space:nowrap}
  .nav-go{align-self:center;min-height:46px;padding:0 16px;font-size:15px}
}
@media (min-width:980px) and (max-width:1180px){.plate-t small{display:none}.tooling{gap:12px}.punch{padding:10px 10px 14px}.punch-l{font-size:15px}}
/* backgauge ruler + reading progress */
.gauge{position:relative;height:8px;background:
  repeating-linear-gradient(90deg,rgba(255,255,255,.35) 0 1px,transparent 1px 10px) 0 0/100% 4px no-repeat,
  repeating-linear-gradient(90deg,rgba(255,255,255,.5) 0 1px,transparent 1px 50px) 0 0/100% 7px no-repeat,#141D1C;overflow:hidden}
.gauge i{position:absolute;left:0;bottom:0;height:3px;width:100%;background:var(--amber);transform-origin:0 50%;transform:scaleX(0)}
@supports (animation-timeline:scroll()){
  .gauge i{animation:gauge linear both;animation-timeline:scroll(root)}
  @keyframes gauge{to{transform:scaleX(1)}}
}

/* ===== home hero: flat blank + controller ===== */
.hero{padding:26px 0 44px}
.hero-grid{display:grid;gap:26px;align-items:start}
@media (min-width:1040px){.hero{padding:40px 0 60px}}
@media (min-width:1180px){.hero-grid{grid-template-columns:minmax(0,1fr) 680px;gap:34px;align-items:stretch}
  .blank{display:flex;flex-direction:column}.blank-fig{display:block!important;margin:auto 0 22px}.blank h1{font-size:clamp(2rem,1rem + 2.3vw,3.05rem)}}
.blank{position:relative;padding:26px 22px 54px 44px;background:var(--sheet);border:1.5px solid var(--steel);border-radius:2px;
  background-image:linear-gradient(90deg,rgba(21,32,35,.025) 1px,transparent 1px);background-size:6px 100%;box-shadow:0 18px 30px -24px rgba(21,32,35,.45)}
.blank::after{content:"";position:absolute;left:-1.5px;bottom:-1.5px;width:18px;height:18px;background:var(--bg);border:solid var(--steel);border-width:1.5px 1.5px 0 0}
.bl{position:absolute;pointer-events:none}
.bl-v{top:0;bottom:0;left:22px;border-left:1.5px dashed var(--bend)}
.bl-h{left:0;right:0;bottom:24px;border-top:1.5px dashed var(--bend)}
.bl-v::before,.bl-h::before{content:"";position:absolute;width:0;height:0;border:6px solid transparent}
.bl-v::before{top:10px;left:-7px;border-top:8px solid var(--bend);border-bottom:0}
.bl-h::before{right:14px;top:-7px;border-left:8px solid var(--bend);border-right:0}
.hole{position:absolute;top:18px;width:14px;height:14px;border-radius:50%;background:var(--bg);box-shadow:inset 0 2px 3px rgba(21,32,35,.35),0 0 0 1.5px var(--steel)}
.ho1{right:18px}.ho2{right:42px}
.blank-k{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:0 60px 16px 0;font:500 14px/1.4 var(--f-b);color:var(--ink-2)}
.blank-k span{font:700 12px/1 var(--f-m);color:var(--bend);border:1.5px solid var(--bend);padding:5px 8px;border-radius:2px}
.lang-en .blank-k span{text-transform:uppercase;letter-spacing:.08em}
.blank-k b{font-weight:600}
.blank h1{font-size:clamp(1.95rem,1.1rem + 3.3vw,3.55rem);margin:0 0 16px}
.lead{font-size:18.5px;color:var(--ink-2)}
.lead p:last-child{margin-bottom:0}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{display:inline-flex;align-items:center;gap:8px;padding:5px 11px;font:500 15px/1.4 var(--f-b);color:var(--ink);background:var(--sheet-2);border:1px dashed var(--steel)}
.chips li::before{content:"";flex:none;width:8px;height:8px;background:var(--amber);box-shadow:0 0 0 1.5px var(--ink)}
@media (max-width:479.98px){.blank{padding:22px 16px 50px 36px}.bl-v{left:17px}.blank-k{margin-right:44px}.hole{width:12px;height:12px;top:16px}.ho1{right:14px}.ho2{right:34px}
  .acts .btn{width:100%}}

/* CNC controller */
.ctrl{position:relative;padding:10px;border-radius:14px;background:linear-gradient(170deg,#344543 0%,var(--en) 45%,#1C2726 100%);color:var(--en-ink);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),inset 0 0 0 1px rgba(0,0,0,.35),0 26px 40px -26px rgba(12,20,20,.7)}
.ctrl-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:4px 8px 10px}
.ctrl-l{display:flex;align-items:center;gap:10px;font:600 15px/1.3 var(--f-b)}
.ctrl-tag{font:700 12px/1 var(--f-m);color:var(--amber);border:1.5px solid var(--amber);padding:5px 8px;border-radius:3px}
.lang-en .ctrl-tag{text-transform:uppercase;letter-spacing:.08em}
.ctrl-body{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.curtain{display:none}
.screen{min-width:0;border-radius:8px;padding:3px;background:#070D0E;box-shadow:inset 0 0 0 1px rgba(110,211,216,.18)}
.ctrl-keys{display:flex;justify-content:flex-end;gap:10px;padding:10px 8px 2px}
.ctrl-keys i{width:30px;height:12px;border-radius:3px;background:#3A4B49;box-shadow:inset 0 -2px 0 rgba(0,0,0,.35)}
.ctrl-keys .k-go{width:44px;background:var(--ok);box-shadow:inset 0 -2px 0 #2F9A5A}
@media (min-width:560px){
  .ctrl{padding:12px 14px}
  .ctrl-body{grid-template-columns:10px minmax(0,1fr) 10px}
  .curtain{display:block;border-radius:3px;background:radial-gradient(circle,rgba(240,160,32,.75) 1.6px,transparent 2.4px) 50% 6px/10px 16px repeat-y,#111A1B;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
  .ctrl.running .curtain{animation:curtain .6s steps(2) infinite}
}
@keyframes curtain{50%{background-position:50% 14px,0 0}}
@media (max-width:479.98px){.hero .ctrl{margin:0 calc(-1 * var(--gut));border-radius:0;padding:8px 6px 10px}.ctrl-bar{padding:4px 6px 8px}}

/* ===== inner page head ===== */
.phead{padding:22px 0 34px;background:var(--sheet-2);border-bottom:1.5px solid var(--ink);
  background-image:linear-gradient(#DDE4E1 1px,transparent 1px),linear-gradient(90deg,#DDE4E1 1px,transparent 1px);background-size:24px 24px;background-position:-1px -1px}
.phead-grid{display:grid;gap:22px;align-items:end}
@media (min-width:900px){.phead{padding:26px 0 44px}.phead-grid{grid-template-columns:minmax(0,1fr) 290px;gap:44px}}
.crumbs ol{list-style:none;margin:0 0 10px;padding:0;display:flex;flex-wrap:wrap;align-items:center;font:500 15px/1.3 var(--f-b);color:var(--ink-2)}
.crumbs li{display:flex;align-items:center}
.crumbs li+li::before{content:"";width:12px;height:2px;margin:0 10px;background:var(--bend)}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);text-decoration-color:var(--bend);text-underline-offset:4px}
.crumbs span[aria-current]{padding:10px 0}
.phead h1{font-size:clamp(1.85rem,1.2rem + 2.6vw,3.1rem);margin:0 0 14px;max-width:24ch}
.lang-th .phead h1{max-width:none}
.phead .lead{max-width:70ch}
.tblock{border:1.5px solid var(--ink);background:var(--sheet);display:grid;grid-template-columns:110px minmax(0,1fr);font-size:15px}
.tb-draw{display:grid;place-items:center;padding:10px;border-right:1.5px solid var(--ink);
  background:linear-gradient(var(--line-2) 1px,transparent 1px) 0 0/10px 10px,linear-gradient(90deg,var(--line-2) 1px,transparent 1px) 0 0/10px 10px,var(--sheet)}
.tblock dl{margin:0;display:grid;grid-template-columns:1fr 1fr}
.tblock dl div{padding:6px 10px;border-bottom:1px solid var(--line);min-width:0}
.tblock dl div:nth-child(2){border-right:1px solid var(--line)}
.tblock dl div:nth-child(n+2){border-bottom:0}
.tblock .tb-w{grid-column:1/-1}
.tblock dt{font:500 11.5px/1.3 var(--f-m);color:var(--ink-2)}
.lang-en .tblock dt{text-transform:uppercase;letter-spacing:.08em}
.tblock dd{margin:0;font:700 15.5px/1.35 var(--f-b);overflow-wrap:anywhere}
@media (min-width:900px){.tblock{grid-template-columns:1fr}.tb-draw{border-right:0;border-bottom:1.5px solid var(--ink);height:120px}}

/* profiles */
.prof{display:block;width:64px;height:44px;overflow:visible}
.prof-grid{stroke:var(--line);stroke-width:1;fill:none}
.prof-part{fill:none;stroke:var(--ink);stroke-width:3.4;stroke-linejoin:miter;stroke-linecap:square}
.prof-v{fill:var(--sheet);stroke:var(--bend);stroke-width:1.8}
.prof-lg{width:88px;height:62px}
.tb-draw .prof-lg{width:84px}
@media (min-width:900px){.tb-draw .prof-lg{width:128px;height:88px}}

/* ===== job: contents + article ===== */
.job{padding:34px 0 64px}
.job-grid{display:grid;gap:28px;align-items:start}
@media (min-width:1100px){.job{padding:52px 0 80px}.job-grid{grid-template-columns:272px minmax(0,1fr);gap:56px}.side-in{position:sticky;top:calc(var(--hh) + 20px)}}
.seq{background:var(--sheet);border:1.5px solid var(--ink);border-radius:3px}
.seq summary{display:grid;gap:2px;padding:12px 16px;min-height:56px;cursor:pointer;list-style:none;position:relative;padding-right:52px}
.seq summary::-webkit-details-marker{display:none}
.seq summary::after{content:"";position:absolute;right:18px;top:50%;width:10px;height:10px;margin-top:-7px;border:solid var(--ink);border-width:0 2px 2px 0;transform:rotate(45deg);transition:transform .2s}
.seq-d[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.seq-k{font:700 12px/1.3 var(--f-m);color:var(--bend)}
.lang-en .seq-k{text-transform:uppercase;letter-spacing:.08em}
.seq-h{font:800 19px/1.3 var(--f-d);font-stretch:75%}
.seq ol{list-style:none;margin:0;padding:0 0 6px;counter-reset:s}
.seq li a{display:grid;grid-template-columns:30px minmax(0,1fr);gap:6px;align-items:baseline;padding:9px 16px;min-height:44px;border-top:1px solid var(--line-2);text-decoration:none;font:500 16px/1.45 var(--f-b);color:var(--ink-2)}
.seq li a:hover{color:var(--ink);background:var(--sheet-2)}
.seq .s-n{font:700 12.5px/1.6 var(--f-m);color:var(--steel)}
.seq a[aria-current]{color:var(--ink);background:var(--amber-lt);box-shadow:inset 4px 0 0 var(--amber)}
.seq a[aria-current] .s-n{color:var(--bend)}
@media (min-width:1100px){.seq summary{cursor:default;padding-right:16px}.seq summary::after{display:none}}
.demo{margin-top:16px;padding:20px;border-radius:3px;background:var(--en);color:var(--en-ink)}
.demo-t{font:800 21px/1.3 var(--f-d);font-stretch:75%;margin:0 0 8px}
.demo p{font-size:16px;color:var(--en-mut)}
.demo .btn{width:100%}
@media (max-width:1099.98px){.demo{display:none}}
.nb{white-space:nowrap}

.art{container-type:inline-size;min-width:0;max-width:800px}
.prelude{margin-bottom:8px}
.art p,.art li{max-width:72ch}
.art a{text-decoration-color:var(--bend);text-decoration-thickness:2px;text-underline-offset:3px}
.art strong{font-weight:700;color:var(--ink)}
.art ul{list-style:none;padding:0;margin:0 0 1.2em}
.art ul li{position:relative;padding-left:26px;margin-bottom:.45em}
.art ul li::before{content:"";position:absolute;left:3px;top:.55em;width:9px;height:9px;border:solid var(--bend);border-width:0 0 2.5px 2.5px}
.art ol{padding:0;margin:0 0 1.2em;list-style:none;counter-reset:o}
.art ol li{position:relative;padding-left:40px;margin-bottom:.5em;counter-increment:o}
.art ol li::before{content:counter(o,decimal-leading-zero);position:absolute;left:0;top:.2em;font:700 12.5px/1.8 var(--f-m);color:var(--sheet);background:var(--ink);padding:0 5px;border-radius:2px}
.art h3{font-size:1.28rem;font-stretch:78%;margin:1.4em 0 .5em}
.table-wrap{overflow-x:auto;margin:0 0 1.4em;border:1.5px solid var(--ink);background:var(--sheet)}
.art table{border-collapse:collapse;width:100%;min-width:480px;font-size:16px;line-height:1.5}
.art th{background:var(--en);color:var(--en-ink);font-weight:600;text-align:left;padding:10px 12px;vertical-align:bottom}
.art td{padding:10px 12px;border-top:1px solid var(--line);vertical-align:top}
.art tr:nth-child(even) td{background:var(--sheet-2)}

.step{margin-top:44px;padding-top:20px;border-top:1.5px solid var(--ink);position:relative}
.step:first-child{margin-top:8px}
.step-tag{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.step-tag .prof{width:52px;height:36px;margin-right:4px}
.step-k{font:600 14px/1 var(--f-b);color:var(--ink-2)}
.step-n{font:700 22px/1 var(--f-m);color:var(--ink)}
.step-a{margin-left:auto;font:700 13px/1 var(--f-m);color:var(--bend);padding:5px 7px;border:1.5px solid var(--bend);border-radius:2px}
.step h2{font-size:clamp(1.5rem,1.2rem + 1.25vw,2.05rem);margin:0 0 16px}
@container (min-width:600px){
  .step{display:grid;grid-template-columns:96px minmax(0,1fr);gap:26px}
  .step-tag{flex-direction:column;align-items:flex-start;gap:6px;margin:0}
  .step-tag .prof{width:80px;height:55px;margin:4px 0 6px}
  .step-n{font-size:34px}
  .step-a{margin:6px 0 0}
  .step-body{min-width:0}
}
.faq{margin-top:56px;padding-top:22px;border-top:4px solid var(--ink)}
.faq>h2{font-size:clamp(1.6rem,1.2rem + 1.4vw,2.2rem);margin:0 0 14px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:grid;grid-template-columns:34px minmax(0,1fr) 40px;gap:10px;align-items:center;min-height:60px;padding:12px 0;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.q-n{font:700 12.5px/1 var(--f-m);color:var(--bend)}
.q{font:700 17.5px/1.5 var(--f-b);color:var(--ink)}
.fold{position:relative;width:40px;height:40px;border:1.5px solid var(--line);border-radius:3px;background:var(--sheet)}
.fold i{position:absolute;top:24px;height:3px;background:var(--ink)}
.fold::before{content:"";position:absolute;left:18px;top:9px;height:22px;border-left:1.5px dashed var(--bend)}
.fold i:first-child{left:7px;width:12px}
.fold i:last-child{left:18px;width:14px;transform-origin:1px 50%;transition:transform .25s ease}
.faq details[open] .fold{border-color:var(--bend)}
.faq details[open] .fold i:last-child{transform:rotate(-90deg);background:var(--bend)}
.faq summary:hover .fold{border-color:var(--ink)}
.faq .a{padding:0 0 16px 44px;color:var(--ink-2)}
@media (max-width:479.98px){.faq .a{padding-left:0}.faq summary{grid-template-columns:26px minmax(0,1fr) 40px;gap:8px}}

.cycle{margin-top:52px;display:grid;gap:14px;align-items:center;padding:22px;border-radius:6px;background:var(--en);color:var(--en-ink);box-shadow:inset 0 0 0 1px rgba(0,0,0,.25)}
.cycle p{margin:0;font:600 18px/1.55 var(--f-b);max-width:none}
.cycle-i{width:44px;height:36px;border-radius:6px 6px 3px 3px;background:#3D4F4D;position:relative;box-shadow:inset 0 0 0 1.5px #58706D}
.cycle-i::after{content:"";position:absolute;left:7px;right:7px;top:7px;height:14px;border-radius:3px;background:var(--amber);transform:perspective(60px) rotateX(20deg)}
@container (min-width:600px){.cycle{grid-template-columns:44px minmax(0,1fr) auto;gap:20px}}

/* ===== related: flat patterns ===== */
.next{padding:52px 0 64px;background:var(--sheet-2);border-top:1.5px solid var(--ink)}
.next-k{margin:0 0 4px;font:700 12.5px/1.3 var(--f-m);color:var(--bend)}
.lang-en .next-k{text-transform:uppercase;letter-spacing:.08em}
.next-t{font-size:clamp(1.6rem,1.2rem + 1.4vw,2.3rem);margin:0 0 26px}
.fps{list-style:none;margin:0;padding:0;display:grid;gap:18px 16px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.fps li{display:flex}
.fp{position:relative;display:flex;flex-direction:column;gap:6px;width:100%;min-height:160px;padding:30px 18px 44px;background:var(--sheet);border:1.5px solid var(--steel);color:var(--ink);text-decoration:none;
  transition:transform .15s,box-shadow .15s,border-color .15s}
.fp-tab{position:absolute;top:-1.5px;left:14px;padding:4px 8px;background:var(--ink);color:var(--sheet);font:700 12px/1 var(--f-m)}
.fp strong{font:800 20px/1.3 var(--f-d);font-stretch:75%}
.fp-d{font-size:16px;line-height:1.55;color:var(--ink-2)}
.fp-bl{position:absolute;left:0;right:0;bottom:18px;border-top:1.5px dashed var(--bend);opacity:.75}
.fp-bl::after{content:"";position:absolute;right:12px;top:-6px;border:5px solid transparent;border-left:7px solid var(--bend);border-right:0}
.fp::after{content:"";position:absolute;right:-1.5px;top:-1.5px;width:14px;height:14px;background:var(--sheet-2);border:solid var(--steel);border-width:0 0 1.5px 1.5px}
.fp:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--amber);border-color:var(--ink)}

/* ===== footer: V-die ===== */
.die{position:relative;background:var(--en-dk);color:var(--en-ink)}
.die-v{height:30px;background:linear-gradient(180deg,#3A4C4A,#263433);clip-path:polygon(0 0,calc(50% - 26px) 0,50% 100%,calc(50% + 26px) 0,100% 0,100% 100%,0 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.1)}
.die-in{display:grid;gap:28px;padding:34px var(--gut) 24px}
@media (min-width:900px){.die-in{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr);gap:44px;padding-top:44px}}
.plate-foot{margin-bottom:16px}
.die-disc{font-size:16px;line-height:1.7;color:var(--en-mut);max-width:56ch;margin:0}
.die-col h2{font:700 13px/1.3 var(--f-m);color:var(--amber);margin:0 0 8px}
.lang-en .die-col h2{text-transform:uppercase;letter-spacing:.1em}
.die-col ul{list-style:none;margin:0;padding:0}
.die-col a{display:inline-flex;align-items:center;min-height:44px;color:var(--en-ink);text-decoration:none;font-size:16px;line-height:1.35}
.die-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:4px}
.die-base{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font:500 13.5px/1.4 var(--f-m);color:var(--en-mut)}
.age{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;border:2px solid var(--amber);color:var(--amber);font:700 14px/1 var(--f-m)}

/* ===== 404 ===== */
.nf{padding:64px 0 88px}
.nf-in{display:grid;justify-items:start;gap:10px;max-width:640px}
.prof-nf{width:150px;height:103px}
.nf-no{margin:0;font:700 clamp(4rem,10vw,7rem)/1 var(--f-m);color:var(--bend)}
.nf h1{font-size:clamp(1.8rem,1.3rem + 2vw,2.6rem)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media print{.ram,.die,.side,.next,.ctrl{display:none}}

/* Thai labels: no mono, a touch larger */
.lang-th .seq-k,.lang-th .next-k,.lang-th .die-col h2,.lang-th .blank-k span,.lang-th .ctrl-tag,.lang-th .tblock dt{font-family:var(--f-b);font-size:14px;font-weight:700}
.blank-fig{display:none;max-width:430px}
.blank-fig svg{display:block;width:100%;height:auto}
.f-sh{fill:var(--sheet-2);stroke:var(--ink);stroke-width:1.5}
.f-bl{stroke:var(--bend);stroke-width:1.5;stroke-dasharray:6 4;fill:none}
.f-ho{fill:var(--bg);stroke:var(--steel);stroke-width:1.5}
.f-pn{fill:var(--ink)}.f-die{fill:var(--en-3)}
.f-ar{fill:none;stroke:var(--ink-2);stroke-width:2}
.f-w1{fill:#C9D3D0;stroke:var(--ink);stroke-width:1.2;stroke-linejoin:round}
.f-w2{fill:#DCE3E0;stroke:var(--ink);stroke-width:1.2;stroke-linejoin:round}
.f-w3{fill:#AEBBB7;stroke:var(--ink);stroke-width:1.2;stroke-linejoin:round}
.f-ed{fill:none;stroke:var(--ink);stroke-width:3}
.f-v{fill:var(--sheet);stroke:var(--bend);stroke-width:2}
@media (max-width:399.98px){.indep{font-size:12.5px;gap:8px}}