.sdkc{--navy:#06223a;--blue:#2189e7;--ink:#0a1d35;--soft:#f2f6fa;--line:#dbe5ef;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff}.sdkc *{box-sizing:border-box}.sdkc a{text-decoration:none}.sdkc-shell{max-width:1320px;margin:auto;padding:0 26px}.sdkc-hero{background:linear-gradient(120deg,#041827,#083454);color:#fff}.sdkc-hero-grid{min-height:560px;display:grid;grid-template-columns:1.02fr .98fr;gap:42px;align-items:center;padding-top:44px;padding-bottom:44px}.sdkc-eyebrow{font-weight:800;letter-spacing:.14em;color:#73baf8;font-size:13px}.sdkc-eyebrow.dark{color:#2679be}.sdkc h1{font-size:60px;line-height:.98;letter-spacing:-.035em;margin:18px 0 20px;font-weight:900}.sdkc h1 span{color:#55a8f2}.sdkc-copy>p{font-size:19px;line-height:1.55;color:#dbe9f4;max-width:630px}.sdkc-copy small{display:block;margin-top:19px;color:#c2d3df}.sdkc-pills{display:flex;gap:9px;flex-wrap:wrap;margin:25px 0}.sdkc-pills b{font-size:12px;padding:9px 12px;border:1px solid #3c6280;border-radius:999px;background:#0c314f}.sdkc-actions{display:flex;gap:12px;flex-wrap:wrap}.sdkc-btn{display:inline-block;padding:14px 20px;border-radius:7px;font-weight:800;font-size:14px}.sdkc-primary{background:var(--blue);color:#fff}.sdkc-outline{border:1px solid #90b1cc;color:#fff}.sdkc-hero-image img{display:block;width:100%;max-height:500px;object-fit:cover;border-radius:24px}.sdkc-proof{background:#f2f6fa;border-bottom:1px solid var(--line)}.sdkc-proof-grid{display:grid;grid-template-columns:repeat(5,1fr);text-align:center;padding:20px 0}.sdkc-proof-grid b,.sdkc-proof-grid span{display:block}.sdkc-proof-grid b{font-size:12px}.sdkc-proof-grid span{font-size:12px;color:#66788c;margin-top:4px}.sdkc-categories{padding-top:68px;padding-bottom:72px}.sdkc-center{text-align:center;max-width:780px;margin:0 auto 30px}.sdkc h2{font-size:40px;line-height:1.1;margin:9px 0 10px}.sdkc-center p,.sdkc-workspace-head p{color:#687b90;font-size:17px}.sdkc-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:10px}.sdkc-cat{appearance:none;border:1px solid var(--line);background:#fff;border-radius:12px;min-height:104px;padding:12px 6px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;color:var(--ink);transition:.15s}.sdkc-cat:hover,.sdkc-cat.active{border-color:#4b9ce1;box-shadow:0 7px 22px rgba(25,80,130,.10);transform:translateY(-1px)}.sdkc-cat span{font-size:30px}.sdkc-cat b{font-size:11px;line-height:1.2}.sdkc-workspace{background:#f5f8fb;padding:68px 0 82px}.sdkc-workspace-head{display:flex;justify-content:space-between;gap:25px;align-items:flex-end;margin-bottom:28px}.sdkc-workspace-head h2{margin-bottom:8px}.sdkc-standard-strip{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.sdkc-standard-strip b{font-size:11px;border:1px solid #cbd8e5;background:#fff;padding:8px 10px;border-radius:999px;color:#50647a}.sdkc-work-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(360px,.8fr);gap:22px;align-items:start}.sdkc-panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 8px 26px rgba(30,65,95,.04)}.sdkc-left{display:grid;gap:20px}.sdkc-step-title{display:flex;align-items:center;gap:10px;margin-bottom:16px}.sdkc-step-title i{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#0b65d9;color:#fff;font-style:normal;font-weight:800}.sdkc-step-title h3{font-size:21px;margin:0}.sdkc-step-title span{font-size:12px;color:#718298}.sdkc-design-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.sdkc-design{padding:12px;border:1px solid var(--line);border-radius:9px;background:#fff;text-align:left;cursor:pointer}.sdkc-design b,.sdkc-design span{display:block}.sdkc-design span{font-size:12px;color:#6d7e90;margin-top:3px}.sdkc-design.active{border-color:#2d8fe4;background:#f2f8ff}.sdkc-mockup-area{display:grid;grid-template-columns:minmax(0,1.7fr) 44px minmax(0,.9fr);gap:10px;align-items:center;margin-top:16px}.sdkc-mock-card{min-width:0}.sdkc-face-label{text-align:center;font-size:11px;font-weight:800;margin-bottom:7px}.sdkc-product-face{min-height:380px;border:1px solid #e1e7ee;border-radius:16px;background:linear-gradient(#fff,#f6f8fa);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.sdkc-front img{width:100%;height:100%;object-fit:contain}.sdkc-live-overlay{position:absolute;left:16%;right:16%;bottom:8%;text-align:center;pointer-events:none;background:rgba(2,25,48,.90);padding:8px 12px;border-radius:8px;color:#fff}.sdkc-live-overlay strong{display:block;color:#fff;font-size:28px;line-height:1;font-weight:900;text-shadow:0 1px 2px #000}.sdkc-live-overlay span{display:block;color:#fff;font-size:12px;font-weight:800;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sdkc-upload-help{font-size:11px;color:#687b90;background:#f5f8fb;padding:9px 10px;border-radius:7px;margin-bottom:9px}.sdkc-back-face{padding:24px;flex-direction:column;text-align:center}.sdkc-back-brand{font-size:23px;font-weight:900;margin-bottom:20px}.sdkc-back-line{font-size:16px;margin:5px 0}.sdkc-qr{width:86px;height:86px;border:7px solid #111;display:grid;place-items:center;font-weight:900;margin:18px auto;background:repeating-linear-gradient(45deg,#111 0 4px,#fff 4px 8px);color:#0b1c33}.sdkc-back-face small{color:#6c7d8f}.sdkc-flip{border:0;background:#fff;border-radius:50%;width:42px;height:42px;box-shadow:0 2px 10px rgba(0,0,0,.08);font-size:22px;color:#246ab3}.sdkc-flip span{display:block;font-size:9px}.sdkc-quick-note{display:flex;gap:10px;align-items:center;background:#eef7ff;border-radius:8px;padding:11px 13px;margin-top:12px}.sdkc-quick-note b{color:#1674d3;font-size:12px}.sdkc-quick-note span{font-size:12px;color:#617488}.sdkc-fields{display:grid;gap:12px}.sdkc-fields-4{grid-template-columns:repeat(4,1fr)}.sdkc label{font-size:12px;font-weight:700;color:#263c53;display:block}.sdkc input,.sdkc select,.sdkc textarea{width:100%;border:1px solid #d5e0ea;border-radius:7px;padding:10px 11px;background:#fff;color:#183047;font:inherit;font-size:13px;margin-top:6px}.sdkc textarea{min-height:88px;resize:vertical}.sdkc-supporting{padding:5px 0 0}.sdkc-support-head{text-align:center;margin-bottom:14px}.sdkc-support-head h3{margin:0 0 5px}.sdkc-support-head p{margin:0;color:#6d7e90}.sdkc-support-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.sdkc-support-grid figure{margin:0;background:#fff;border:1px solid var(--line);padding:10px;border-radius:13px}.sdkc-support-grid img{width:100%;height:300px;object-fit:cover;border-radius:9px}.sdkc-support-grid figcaption{text-align:center;font-weight:800;font-size:12px;padding:9px}.sdkc-order{position:sticky;top:20px}.sdkc-order-intro{font-size:13px;color:#66788c;margin-top:-5px}.sdkc-order-section{border-top:1px solid #e4ebf2;padding-top:16px;margin-top:16px}.sdkc-order-section h4{font-size:12px;color:#0d6bd7;margin:0 0 10px}.sdkc-order-section label{margin-bottom:9px}.sdkc-mini-spec{font-size:11px;color:#697b8d;background:#f7f9fb;padding:10px;border-radius:7px}.sdkc-pack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.sdkc-pack{border:1px solid var(--line);border-radius:10px;padding:10px;text-align:center;cursor:pointer;position:relative}.sdkc-pack input{position:absolute;opacity:0}.sdkc-pack-icon{font-size:27px;display:block}.sdkc-pack b,.sdkc-pack small{display:block}.sdkc-pack b{font-size:10px;margin-top:6px}.sdkc-pack small{font-size:10px;color:#5e7288;margin-top:4px}.sdkc-pack.active{border-color:#247fe0;background:#f4f9ff}.sdkc-package-demo{display:flex;align-items:center;justify-content:space-between;gap:5px;background:#f7fafc;border-radius:9px;padding:10px;margin-top:10px}.sdkc-demo-card{text-align:center;flex:1}.sdkc-demo-card span{font-size:24px;display:block}.sdkc-demo-card b,.sdkc-demo-card small{display:block}.sdkc-demo-card b{font-size:10px}.sdkc-demo-card small{font-size:9px;color:#6d7e90}.sdkc-demo-arrow{color:#8ba1b5}.sdkc-premium-fields{background:#f8fbff;border:1px solid #d7e8f8;border-radius:10px;padding:14px!important}.sdkc-summary{margin-top:18px;background:#f7f9fb;border-radius:9px;padding:12px}.sdkc-summary div{display:flex;justify-content:space-between;font-size:12px;padding:5px 0}.sdkc-submit{width:100%;border:0;border-radius:8px;background:#0a63d7;color:#fff;font-weight:900;padding:15px;margin-top:12px;cursor:pointer}.sdkc-proof-email{text-align:center;color:#62778d;font-size:11px;margin-top:9px;line-height:1.45}
@media(max-width:1100px){.sdkc h1{font-size:48px}.sdkc-grid{grid-template-columns:repeat(6,1fr)}.sdkc-work-grid{grid-template-columns:1fr}.sdkc-order{position:static}.sdkc-fields-4{grid-template-columns:1fr 1fr}.sdkc-workspace-head{align-items:flex-start;flex-direction:column}.sdkc-standard-strip{justify-content:flex-start}}
@media(max-width:820px){.sdkc-hero-grid{grid-template-columns:1fr}.sdkc-hero-image{order:-1}.sdkc-proof-grid{grid-template-columns:repeat(2,1fr)}.sdkc-grid{grid-template-columns:repeat(4,1fr)}.sdkc-mockup-area{grid-template-columns:1fr}.sdkc-flip{margin:auto}.sdkc-design-tabs{grid-template-columns:1fr 1fr 1fr}.sdkc-product-face{min-height:320px}.sdkc-support-grid{grid-template-columns:1fr}.sdkc-support-grid img{height:auto}}
@media(max-width:540px){.sdkc-shell{padding:0 16px}.sdkc h1{font-size:39px}.sdkc h2{font-size:31px}.sdkc-grid{grid-template-columns:repeat(3,1fr)}.sdkc-proof-grid{grid-template-columns:1fr 1fr}.sdkc-fields-4{grid-template-columns:1fr}.sdkc-design-tabs{grid-template-columns:1fr}.sdkc-pack-grid{grid-template-columns:1fr}.sdkc-package-demo{display:none}.sdkc-product-face{min-height:280px}}

/* v4.2 isolated live-product preview */
.sdkc-mockup-area{grid-template-columns:minmax(0,2.15fr) 42px minmax(250px,.72fr)}
.sdkc-front{min-height:500px;background:#fff}
.sdkc-front img{width:92%;height:92%;object-fit:contain}
.sdkc-live-overlay{left:24%;right:24%;bottom:11%;background:#fff;padding:5px 8px;border-radius:4px;color:#082c5c;mix-blend-mode:normal}
.sdkc-live-overlay strong{font-size:44px;color:#0b3c78;text-shadow:none;line-height:.95}
.sdkc-live-overlay span{font-size:17px;color:#111;text-shadow:none;margin-top:3px}
.sdkc-face-label span{font-weight:600;color:#60768b}
@media(max-width:900px){.sdkc-mockup-area{grid-template-columns:1fr}.sdkc-flip{display:none}.sdkc-front{min-height:420px}}

/* v4.3 editable-text-zone quick preview
   The artwork stays fixed; only predefined text layers change in-browser. */
.sdkc-front{min-height:520px;background:#fff}
.sdkc-front-canvas{position:relative;width:min(82%,430px);aspect-ratio:335/381;margin:auto;flex:0 0 auto}
.sdkc-front-canvas>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:block}
.sdkc-live-overlay{
  position:absolute;
  left:12.8%;
  width:74.9%;
  top:49.3%;
  height:27.3%;
  right:auto;
  bottom:auto;
  padding:0;
  border-radius:0;
  background:transparent;
  color:#0b3c78;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  pointer-events:none;
  overflow:hidden;
}
.sdkc-live-overlay strong{
  display:block;
  margin:0;
  color:#0b3c78;
  font-family:"Arial Black","Montserrat",Arial,sans-serif;
  font-size:64px;
  font-weight:900;
  line-height:.88;
  letter-spacing:-.055em;
  white-space:nowrap;
  text-shadow:none;
}
.sdkc-live-overlay span{
  display:block;
  max-width:96%;
  margin-top:8px;
  color:#0a0a0a;
  font-family:"Arial Narrow","Montserrat",Arial,sans-serif;
  font-size:22px;
  font-weight:900;
  font-style:italic;
  line-height:1;
  letter-spacing:-.035em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  text-transform:uppercase;
}
@media(max-width:900px){
  .sdkc-front{min-height:440px}
  .sdkc-front-canvas{width:min(84%,380px)}
}
@media(max-width:540px){
  .sdkc-front{min-height:360px}
  .sdkc-front-canvas{width:min(92%,330px)}
}

/* v4.4 synchronized design detail sheet + packaging comparison */
.sdkc-supporting{padding-top:2px}
.sdkc-support-single{margin:0 auto;max-width:860px;background:#fff;border:1px solid var(--line);padding:12px;border-radius:14px}
.sdkc-support-single img{display:block;width:100%;height:auto;max-height:620px;object-fit:contain;border-radius:10px;background:#fff}
.sdkc-support-single figcaption{text-align:center;font-weight:900;font-size:13px;padding:11px 6px 3px}
.sdkc-detail-coming{min-height:300px;border:1px dashed #bad0e4;border-radius:10px;background:#f7fbff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px;color:#526a80}
.sdkc-detail-coming b{font-size:19px;color:#173450;margin-bottom:7px}
.sdkc-detail-coming[hidden]{display:none!important}
.sdkc-packaging-visual{padding:18px}
.sdkc-packaging-visual img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid #e2e9f0;background:#fff}
.sdkc-packaging-visual[hidden]{display:none!important}
@media(max-width:820px){.sdkc-support-single{max-width:none}.sdkc-packaging-visual{padding:12px}}

/* v4.5 frozen master category template
   Front quick-preview text is deliberately sized close to the original artwork. */
.sdkc-live-overlay strong{
  font-size:74px;
  letter-spacing:-.065em;
  line-height:.84;
}
.sdkc-live-overlay span{
  font-size:24px;
  line-height:.96;
  margin-top:7px;
  letter-spacing:-.045em;
}

/* v4.6 layout polish + stronger original-artwork text proportions */
.sdkc-work-grid{gap:22px}
.sdkc-left>.sdkc-panel{margin-bottom:14px}
.sdkc-left>.sdkc-packaging-visual{margin-top:0;margin-bottom:16px}
.sdkc-packaging-visual{padding:14px 16px 16px}
.sdkc-packaging-visual .sdkc-support-head{margin-bottom:10px}
.sdkc-packaging-visual img{max-height:390px;object-fit:contain}
.sdkc-fields-4{gap:10px}
.sdkc-live-overlay{top:48.5%;height:28.5%;left:11.5%;width:77%}
.sdkc-live-overlay strong{font-size:96px;line-height:.80;letter-spacing:-.07em}
.sdkc-live-overlay span{font-size:29px;line-height:.92;margin-top:8px;letter-spacing:-.05em}
.sdkc-supporting{margin-top:2px}
.sdkc-support-head{margin-bottom:10px}
.sdkc-support-single{max-width:900px}
@media(max-width:900px){
 .sdkc-live-overlay strong{font-size:78px}
 .sdkc-live-overlay span{font-size:24px}
 .sdkc-packaging-visual img{max-height:none}
}
@media(max-width:540px){
 .sdkc-live-overlay strong{font-size:60px}
 .sdkc-live-overlay span{font-size:19px}
}


/* v4.7 functional repair: universal packaging artwork, stable design switching, label alignment */
.sdkc-label-title{display:inline-flex;align-items:baseline;gap:3px;white-space:nowrap;line-height:1.25}
.sdkc-label-title em{font-style:normal;color:#d33131;font-weight:900}
.sdkc-fields-4 label{min-width:0}
.sdkc-design{cursor:pointer;position:relative;z-index:2}
.sdkc-design.active{border-color:#1877e6!important;background:#eef6ff!important;box-shadow:inset 0 0 0 1px #1877e6}
.sdkc-design.active::after{content:'✓';position:absolute;right:10px;top:10px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:#1877e6;color:#fff;font-size:12px;font-weight:900}
.sdkc-front-canvas.sdkc-static-preview>img{object-fit:contain}
.sdkc-front-canvas.sdkc-static-preview{width:min(78%,410px)}
.sdkc-front-canvas.sdkc-coming-preview::after{content:'Design 03 — Road Sign\AArtwork coming soon';white-space:pre;position:absolute;inset:20% 10%;display:grid;place-items:center;text-align:center;background:rgba(255,255,255,.94);border:1px dashed #9eb9d2;border-radius:12px;color:#294861;font-weight:800;line-height:1.5}
.sdkc-packaging-visual img{max-height:none!important;object-fit:contain!important}
@media(max-width:1100px){.sdkc-label-title{white-space:normal}}

/* v4.8: true three-design system. Each design has its own artwork + text treatment; detail sheet follows via CSS state. */
.sdkc-front-option,.sdkc-detail-panel{display:none}
.sdkc[data-active-design="1"] .sdkc-front-option[data-design="1"],.sdkc[data-active-design="2"] .sdkc-front-option[data-design="2"],.sdkc[data-active-design="3"] .sdkc-front-option[data-design="3"]{display:block;position:absolute;inset:0}
.sdkc[data-active-design="1"] .sdkc-detail-panel[data-design="1"],.sdkc[data-active-design="2"] .sdkc-detail-panel[data-design="2"],.sdkc[data-active-design="3"] .sdkc-detail-panel[data-design="3"]{display:block}
.sdkc-front-option>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.sdkc-overlay-d2{left:24%;width:52%;top:37%;height:20%;color:#fff}
.sdkc-overlay-d2 strong{font-family:Montserrat,Arial,sans-serif;font-size:68px!important;color:#8fc6f5!important;letter-spacing:-.04em!important;line-height:.9!important}
.sdkc-overlay-d2 span{font-family:Montserrat,Arial,sans-serif;font-size:17px!important;font-style:normal!important;color:#fff!important;letter-spacing:.01em!important;margin-top:5px!important}
.sdkc-overlay-d3{left:18%;width:64%;top:73%;height:18%;color:#fff}
.sdkc-overlay-d3 strong{font-family:"Arial Black",Arial,sans-serif;font-size:50px!important;color:#f6c439!important;letter-spacing:-.04em!important;line-height:.9!important}
.sdkc-overlay-d3 span{font-family:Arial,sans-serif;font-size:15px!important;font-style:normal!important;color:#fff!important;letter-spacing:.04em!important;margin-top:5px!important}
.sdkc-detail-panel{max-width:900px;margin:0 auto}
.sdkc-detail-card{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.sdkc-detail-art{position:relative;aspect-ratio:420/520;max-height:430px;margin:auto}.sdkc-detail-art img{width:100%;height:100%;object-fit:contain}.sdkc-detail-art>b,.sdkc-detail-art>span{position:absolute;left:50%;transform:translateX(-50%);text-align:center;white-space:nowrap}.sdkc-detail-art>b{top:42%;font:900 62px/1 Montserrat,Arial;color:#8fc6f5}.sdkc-detail-art>span{top:53%;font:800 18px/1 Montserrat,Arial;color:#fff}.sdkc-detail-art-d3>b{top:78%;font-size:44px;color:#f6c439}.sdkc-detail-art-d3>span{top:87%;font-size:14px;color:#fff}.sdkc-detail-card h4{font-size:24px;margin:0 0 10px}.sdkc-detail-card p,.sdkc-detail-card li{font-size:14px;line-height:1.55;color:#52677b}.sdkc-detail-card ul{padding-left:20px}
.sdkc-packaging-visual img{width:100%;max-height:none!important;object-fit:contain!important}
@media(max-width:820px){.sdkc-detail-card{grid-template-columns:1fr}.sdkc-overlay-d2 strong{font-size:54px!important}.sdkc-overlay-d3 strong{font-size:40px!important}}

/* v4.9 Design Library connection: only design assets/text zones are dynamic. Layout remains frozen. */
.sdkc-front-option[hidden],.sdkc-detail-panel[hidden]{display:none!important}
.sdkc-design-zone{position:absolute;display:flex;align-items:center;justify-content:center;box-sizing:border-box;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;z-index:3;pointer-events:none;text-transform:uppercase}
.sdkc-front-option{position:absolute;inset:0}
.sdkc-front-option>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}