/* Phần mềm vẽ khuôn hộp giấy: layout độc lập, canvas SVG theo đơn vị mm. */
.box-dieline-page {
  overflow: clip;
  padding: 0 0 8rem;
  background:
    radial-gradient(circle at 96% 3%, rgba(var(--brand-color-1-rgb), 0.11), transparent 34rem),
    linear-gradient(180deg, #f7fbff 0, #fff 56rem);
}

.box-dieline-page__container {
  position: relative;
  z-index: 1;
}

.box-dieline-page .breadcrumb-nav {
  margin-top: 0;
}

.box-dieline-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 25rem;
  gap: 4.5rem;
  align-items: center;
  overflow: hidden;
  margin: 1.8rem 0 3.8rem;
  padding: 4.8rem 5.2rem;
  border: 1px solid rgba(var(--brand-color-1-rgb), 0.27);
  border-radius: 2.4rem;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 20%, rgba(255, 255, 255, 0.18) 0 0.2rem, transparent 0.31rem),
    radial-gradient(circle at 84% 24%, rgba(255, 255, 255, 0.12), transparent 12rem),
    linear-gradient(118deg, var(--blue-800), var(--brand-color-1) 57%, var(--blue-400));
  box-shadow: 0 2.2rem 4.8rem rgba(10, 61, 150, 0.18);
}

.box-dieline-hero::before,
.box-dieline-hero::after {
  position: absolute;
  border: 4.7rem solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.box-dieline-hero::before {
  top: -20rem;
  right: -7rem;
  width: 35rem;
  height: 35rem;
}

.box-dieline-hero::after {
  bottom: -26rem;
  left: 45%;
  width: 33rem;
  height: 33rem;
}

.box-dieline-hero__copy,
.box-dieline-hero__art {
  position: relative;
  z-index: 1;
}

.box-dieline-eyebrow,
.box-dieline-preview__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.35rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  text-transform: uppercase;
}

.box-dieline-hero .box-dieline-eyebrow {
  justify-content: center;
  min-height: 3.8rem;
  padding: 0.72rem 1.08rem;
  border: 1px solid rgba(255, 255, 255, 0.27);
  border-radius: var(--border-radius-pill);
  color: #e8f3ff;
  background: rgba(5, 34, 105, 0.18);
}

.box-dieline-eyebrow .js-svg-inject,
.box-dieline-hero__benefits .js-svg-inject {
  display: grid;
  flex: 0 0 1.65rem;
  width: 1.65rem;
  height: 1.65rem;
  place-items: center;
  line-height: 0;
}

.box-dieline-eyebrow .js-svg-inject svg,
.box-dieline-hero__benefits .js-svg-inject svg {
  display: block;
  width: 100%;
  height: 100%;
}

.box-dieline-hero h1 {
  max-width: 75rem;
  margin: 1.45rem 0 1.15rem;
  color: inherit;
  font-size: clamp(3rem, 4.2vw, 4.85rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.12;
}

.box-dieline-hero p {
  max-width: 69rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.72rem;
  line-height: 1.7;
}

.box-dieline-hero__benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 1.05rem 2rem;
  margin: 2.35rem 0 0;
  padding: 0;
  list-style: none;
}

.box-dieline-hero__benefits li {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  font-size: 1.37rem;
  font-weight: var(--font-weight-semibold);
}

.box-dieline-hero__benefits .js-svg-inject {
  color: #9ae9d7;
}

.box-dieline-hero__art {
  display: grid;
  min-width: 0;
  min-height: 24rem;
  place-items: center;
}

.box-dieline-hero__dieline {
  display: block;
  width: 100%;
  max-width: 28rem;
  height: auto;
  max-height: 27rem;
  overflow: visible;
  filter: drop-shadow(0 1.05rem 1.7rem rgba(0, 17, 56, 0.24));
}

.box-dieline-hero__dieline-cut {
  fill: none;
  stroke: #ff9cb7;
  stroke-width: 1.6px;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.box-dieline-hero__dieline-crease {
  fill: none;
  stroke: #82dfff;
  stroke-width: 1.28px;
  stroke-linecap: butt;
  stroke-linejoin: miter;
  opacity: 0.95;
  vector-effect: non-scaling-stroke;
}

@media (prefers-reduced-motion: no-preference) {
  .box-dieline-hero__dieline {
    animation: box-hero-dieline-float 6s ease-in-out infinite;
  }
}

@keyframes box-hero-dieline-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-0.55rem);
  }
}

.box-dieline-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(37rem, 0.98fr);
  gap: 2.4rem;
  align-items: start;
}

.box-dieline-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(23rem, 0.72fr);
  gap: 3.4rem;
  align-items: center;
  margin: -1.55rem 0 3.8rem;
  padding: 3.25rem 4rem;
  border: 1px solid rgba(var(--brand-color-1-rgb), 0.2);
  border-radius: 2rem;
  background: linear-gradient(120deg, #fff 0%, #f6fbff 100%);
  box-shadow: 0 1.6rem 3.8rem rgba(19, 57, 112, 0.07);
}

.box-dieline-intro .box-dieline-eyebrow {
  padding: 0.65rem 0.95rem;
  border-radius: var(--border-radius-pill);
  color: var(--brand-color-1);
  background: #eaf3ff;
}

.box-dieline-intro h2 {
  max-width: 72rem;
  margin: 1.1rem 0 0;
  color: #1b2d4b;
  font-size: clamp(2.5rem, 3.25vw, 3.45rem);
  line-height: 1.2;
}

.box-dieline-intro__copy > p {
  max-width: 77rem;
  margin: 1rem 0 0;
  color: #647891;
  font-size: 1.55rem;
  line-height: 1.68;
}

.box-dieline-intro__copy strong { color: #2b4770; }

.box-dieline-intro__audience {
  padding: 1.65rem;
  border: 1px solid #d7e8fa;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.84);
}

.box-dieline-intro__audience > span {
  display: block;
  color: var(--brand-color-1);
  font-size: 1.24rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  text-transform: uppercase;
}

.box-dieline-intro__audience ul {
  display: grid;
  gap: 1.05rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.box-dieline-intro__audience li {
  display: grid;
  grid-template-columns: 2.7rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: center;
  color: #546d8b;
  font-size: 1.32rem;
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
}

.box-dieline-intro__audience .js-svg-inject {
  display: grid;
  width: 2.7rem;
  height: 2.7rem;
  place-items: center;
  border-radius: 0.9rem;
  color: var(--brand-color-1);
  background: #eaf3ff;
}

.box-dieline-intro__audience .js-svg-inject svg { width: 1.45rem; height: 1.45rem; }

.box-dieline-form,
.box-dieline-preview,
.box-dieline-guide,
.box-dieline-knowledge,
.box-dieline-use-cases,
.box-dieline-related,
.box-dieline-faq {
  border: 1px solid rgba(var(--brand-color-1-rgb), 0.2);
  border-radius: 2rem;
  background: #fff;
  box-shadow: 0 1.6rem 3.8rem rgba(19, 57, 112, 0.07);
}

.box-dieline-form {
  padding: 3.2rem;
}

.box-dieline-form__heading {
  min-width: 0;
}

.box-dieline-form__heading--compact {
  margin-bottom: 1.8rem;
}

.box-dieline-form__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--brand-color-1);
  font-size: 1.15rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  text-transform: uppercase;
}

.box-dieline-form__eyebrow .js-svg-inject {
  width: 1.5rem;
  height: 1.5rem;
}

.box-dieline-form__eyebrow .js-svg-inject svg {
  width: 100%;
  height: 100%;
}

.box-dieline-form__heading h2 {
  margin-top: 0.45rem;
}

.box-dieline-form h2,
.box-dieline-preview h2 {
  margin: 0;
  color: #182b4d;
  font-size: 2.25rem;
  line-height: 1.2;
}

.box-dieline-form__heading p,
.box-dieline-preview__header p {
  margin: 0.55rem 0 0;
  color: #63758f;
  font-size: 1.43rem;
  line-height: 1.55;
}

.box-dieline-template-picker {
  min-width: 0;
  margin: 2.2rem 0 0;
  padding: 0;
  border: 0;
}

.box-dieline-template-picker__grid {
  display: grid;
  gap: 1.05rem;
}

.box-dieline-template-picker__input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.box-dieline-template-picker__option {
  position: relative;
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr) auto;
  gap: 1.2rem;
  align-items: center;
  min-height: 8rem;
  padding: 1.35rem 1.45rem;
  border: 1px solid #d7e5fa;
  border-radius: 1.35rem;
  cursor: pointer;
  background: linear-gradient(120deg, #fbfdff, #fff);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.box-dieline-template-picker__option:hover {
  border-color: rgba(var(--brand-color-1-rgb), 0.6);
  transform: translateY(-0.1rem);
}

.box-dieline-template-picker__input:focus-visible + .box-dieline-template-picker__option {
  outline: 0.3rem solid rgba(var(--brand-color-1-rgb), 0.28);
  outline-offset: 0.25rem;
}

.box-dieline-template-picker__input:checked + .box-dieline-template-picker__option {
  border-color: var(--brand-color-1);
  background: linear-gradient(120deg, rgba(var(--brand-color-1-rgb), 0.12), #fff 68%);
  box-shadow: 0 1rem 2.3rem rgba(33, 102, 214, 0.13);
}

.box-dieline-template-picker__icon {
  display: grid;
  width: 4.2rem;
  height: 4.2rem;
  place-items: center;
  border-radius: 1.2rem;
  color: #55708f;
  background: #eef5ff;
}

.box-dieline-template-picker__icon svg {
  width: 2rem;
  height: 2rem;
}

.box-dieline-template-picker__input:checked + .box-dieline-template-picker__option .box-dieline-template-picker__icon {
  color: #fff;
  background: var(--brand-color-1);
}

.box-dieline-template-picker__copy {
  display: grid;
  gap: 0.3rem;
}

.box-dieline-template-picker__copy strong {
  color: #1b2d4c;
  font-size: 1.58rem;
  line-height: 1.3;
}

.box-dieline-template-picker__copy small {
  color: #6c7e96;
  font-size: 1.27rem;
  line-height: 1.45;
}

.box-dieline-template-picker__tag {
  padding: 0.48rem 0.75rem;
  border-radius: var(--border-radius-pill);
  color: #42628b;
  font-size: 1.08rem;
  font-weight: var(--font-weight-bold);
  white-space: nowrap;
  background: #f1f6fc;
}

.box-dieline-template-picker__input:checked + .box-dieline-template-picker__option .box-dieline-template-picker__tag {
  color: var(--brand-color-1);
  background: rgba(var(--brand-color-1-rgb), 0.1);
}

.box-dieline-form__divider {
  height: 1px;
  margin: 3rem 0;
  background: #e5edf8;
}

.box-dieline-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.box-dieline-field {
  display: grid;
  gap: 0.65rem;
}

.box-dieline-field__label {
  color: #334862;
  font-size: 1.34rem;
  font-weight: var(--font-weight-semibold);
  line-height: 1.35;
}

.box-dieline-field__label b { color: var(--brand-color-1); }
.box-dieline-field__label em { color: #7b8ba0; font-size: 1.12rem; font-style: normal; font-weight: 400; }

.box-dieline-field__input {
  position: relative;
  display: flex;
  align-items: center;
}

.box-dieline-field input {
  width: 100%;
  height: 4.45rem;
  padding: 0.7rem 4.5rem 0.7rem 1.25rem;
  border: 1px solid #c9dcf7;
  border-radius: 1.05rem;
  outline: 0;
  color: #1d385c;
  font-family: inherit;
  font-size: 1.65rem;
  font-weight: var(--font-weight-semibold);
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.box-dieline-field input::placeholder { color: #9aa9bc; font-weight: 400; }

.box-dieline-field input:focus {
  border-color: var(--brand-color-1);
  box-shadow: 0 0 0 0.35rem rgba(var(--brand-color-1-rgb), 0.12);
}

.box-dieline-field__input small {
  position: absolute;
  right: 1.15rem;
  color: #71849d;
  font-size: 1.12rem;
  font-weight: var(--font-weight-semibold);
  pointer-events: none;
}

.box-dieline-advanced {
  margin-top: 1.65rem;
  border: 1px solid #d9e6f7;
  border-radius: 1.35rem;
  background: #fbfdff;
}

.box-dieline-advanced[hidden],
[data-box-when][hidden] { display: none !important; }

.box-dieline-advanced summary {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  padding: 1.45rem 1.6rem;
  color: #1f3658;
  font-size: 1.45rem;
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  list-style: none;
}

.box-dieline-advanced summary::-webkit-details-marker { display: none; }

.box-dieline-advanced summary > .js-svg-inject {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border-radius: 0.75rem;
  color: var(--brand-color-1);
  background: #eaf3ff;
}

.box-dieline-advanced summary > .js-svg-inject svg { width: 1.5rem; height: 1.5rem; }

.box-dieline-advanced summary > .js-svg-inject:last-child {
  width: 1.6rem;
  height: 1.6rem;
  margin-left: auto;
  color: #7085a1;
  transition: transform 160ms ease;
}

.box-dieline-advanced[open] summary > .js-svg-inject:last-child { transform: rotate(180deg); }

.box-dieline-advanced__content {
  padding: 0 1.6rem 1.6rem;
}

.box-dieline-field-grid--advanced { margin-top: 1.3rem; }
.box-dieline-field-grid--advanced > .box-dieline-field:last-child { grid-column: span 2; }

.box-dieline-cutout-fields {
  min-width: 0;
  margin: 1.3rem 0 0;
  padding: 1.25rem;
  border: 1px solid #d7e7fc;
  border-radius: 1.1rem;
  background: #f8fbff;
}

.box-dieline-cutout-fields legend {
  padding: 0;
  color: #28476d;
  font-size: 1.27rem;
  font-weight: var(--font-weight-bold);
}

.box-dieline-cutout-fields__hint {
  margin: 0.5rem 0 1rem;
  color: #71849d;
  font-size: 1.12rem;
  line-height: 1.5;
}

.box-dieline-cutout-picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.box-dieline-cutout-picker__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.box-dieline-cutout-picker__option {
  position: relative;
  display: grid;
  grid-template-columns: 3.8rem minmax(0, 1fr) 1.8rem;
  gap: 0.7rem;
  align-items: center;
  min-height: 6.15rem;
  padding: 0.8rem;
  border: 1px solid #d6e4f5;
  border-radius: 0.9rem;
  cursor: pointer;
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.box-dieline-cutout-picker__shape {
  display: grid;
  width: 3.8rem;
  height: 3rem;
  place-items: center;
  border-radius: 0.7rem;
  color: #7992af;
  background: #f0f6fd;
}

.box-dieline-cutout-picker__shape svg { width: 3.3rem; height: 2.2rem; overflow: visible; }
.box-dieline-cutout-picker__shape path { fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.box-dieline-cutout-picker__option strong { display: block; color: #2c4465; font-size: 1.16rem; line-height: 1.25; }
.box-dieline-cutout-picker__option small { display: block; margin-top: 0.22rem; color: #7488a1; font-size: 0.98rem; line-height: 1.35; }

.box-dieline-cutout-picker__option > i {
  display: grid;
  width: 1.7rem;
  height: 1.7rem;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  font-size: 1.05rem;
  font-style: normal;
  font-weight: var(--font-weight-bold);
  opacity: 0;
  transform: scale(0.7);
  background: var(--brand-color-1);
  transition: opacity 160ms ease, transform 160ms ease;
}

.box-dieline-cutout-picker__input:checked + .box-dieline-cutout-picker__option {
  border-color: var(--brand-color-1);
  box-shadow: 0 0 0 0.25rem rgba(var(--brand-color-1-rgb), 0.1);
  background: #f4f8ff;
}

.box-dieline-cutout-picker__input:checked + .box-dieline-cutout-picker__option .box-dieline-cutout-picker__shape {
  color: var(--brand-color-1);
  background: #e8f1ff;
}

.box-dieline-cutout-picker__input:checked + .box-dieline-cutout-picker__option > i {
  opacity: 1;
  transform: scale(1);
}

.box-dieline-cutout-picker__input:focus-visible + .box-dieline-cutout-picker__option {
  outline: 3px solid rgba(var(--brand-color-1-rgb), 0.3);
  outline-offset: 2px;
}

.box-dieline-cutout-fields__dimensions { margin-top: 1rem; }
.box-dieline-cutout-radius-field { grid-column: span 2; }
.box-dieline-cutout-radius-field[hidden] { display: none !important; }

.box-dieline-info-callout {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  border: 1px solid #d7e7fc;
  border-radius: 1rem;
  background: #f3f8ff;
}

.box-dieline-info-callout .js-svg-inject { display: grid; width: 2.4rem; height: 2.4rem; place-items: center; color: var(--brand-color-1); }
.box-dieline-info-callout .js-svg-inject svg { width: 1.55rem; height: 1.55rem; }
.box-dieline-info-callout p { margin: 0.15rem 0 0; color: #617692; font-size: 1.23rem; line-height: 1.55; }

.box-dieline-switch-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.45rem;
}

.box-dieline-switch {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: center;
  min-height: 6.8rem;
  padding: 1rem;
  border: 1px solid #dce8f8;
  border-radius: 1rem;
  cursor: pointer;
  background: #fff;
}

.box-dieline-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.box-dieline-switch__control {
  position: relative;
  display: block;
  width: 2.65rem;
  height: 1.55rem;
  border-radius: var(--border-radius-pill);
  background: #c7d4e4;
  transition: background 160ms ease;
}

.box-dieline-switch__control::after {
  position: absolute;
  top: 0.26rem;
  left: 0.26rem;
  width: 1.03rem;
  height: 1.03rem;
  border-radius: 50%;
  content: "";
  background: #fff;
  box-shadow: 0 0.1rem 0.25rem rgba(28, 63, 112, 0.25);
  transition: transform 160ms ease;
}

.box-dieline-switch input:checked + .box-dieline-switch__control { background: var(--brand-color-1); }
.box-dieline-switch input:checked + .box-dieline-switch__control::after { transform: translateX(1.1rem); }
.box-dieline-switch input:focus-visible + .box-dieline-switch__control { outline: 0.25rem solid rgba(var(--brand-color-1-rgb), 0.27); outline-offset: 0.2rem; }
.box-dieline-switch strong { display: block; color: #2a405e; font-size: 1.34rem; line-height: 1.35; }
.box-dieline-switch small { display: block; margin-top: 0.22rem; color: #73859e; font-size: 1.15rem; line-height: 1.4; }

.box-dieline-preview {
  position: sticky;
  top: calc(var(--site-header-height, 7rem) + 1.5rem);
  padding: 2.4rem;
}

.box-dieline-preview__header {
  display: flex;
  gap: 1.2rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.75rem;
}

.box-dieline-preview__eyebrow { color: var(--brand-color-1); font-size: 1.15rem; }
.box-dieline-preview__eyebrow .js-svg-inject { width: 1.5rem; height: 1.5rem; }
.box-dieline-preview__eyebrow .js-svg-inject svg { width: 100%; height: 100%; }
.box-dieline-preview h2 { margin-top: 0.45rem; font-size: 2.35rem; }

.box-dieline-preview__view-tabs {
  display: flex;
  gap: 0.35rem;
  width: fit-content;
  max-width: 100%;
  margin: -0.35rem 0 1.25rem;
  padding: 0.34rem;
  border: 1px solid #dce8f8;
  border-radius: 1rem;
  background: #f5f9ff;
}

.box-dieline-preview__view-tabs button {
  display: inline-flex;
  gap: 0.52rem;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.55rem 1rem;
  border: 1px solid transparent;
  border-radius: 0.68rem;
  color: #6680a0;
  font: inherit;
  font-size: 1.15rem;
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  cursor: pointer;
  background: transparent;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.box-dieline-preview__view-tabs button .js-svg-inject { width: 1.45rem; height: 1.45rem; }

.box-dieline-preview__view-tabs button:hover,
.box-dieline-preview__view-tabs button.is-active {
  border-color: #c7dcf6;
  color: var(--brand-color-1);
  background: #fff;
  box-shadow: 0 0.35rem 0.9rem rgba(27, 80, 147, 0.1);
}

.box-dieline-preview__view-tabs button:focus-visible {
  outline: 0.25rem solid rgba(var(--brand-color-1-rgb), 0.28);
  outline-offset: 0.18rem;
}

.box-dieline-preview__status {
  display: inline-flex;
  flex: 0 0 auto;
  gap: 0.45rem;
  align-items: center;
  padding: 0.62rem 0.8rem;
  border: 1px solid #bde7d7;
  border-radius: var(--border-radius-pill);
  color: #167151;
  font-size: 1.12rem;
  font-weight: var(--font-weight-bold);
  background: #effbf6;
}

.box-dieline-preview__status.is-error { border-color: #ffd0d0; color: #b43e3e; background: #fff4f4; }
.box-dieline-preview__status .js-svg-inject { width: 1.35rem; height: 1.35rem; }
.box-dieline-preview__status .js-svg-inject svg { width: 100%; height: 100%; }

.box-dieline-preview__canvas {
  position: relative;
  min-height: 34rem;
  overflow: auto;
  border: 1px solid #cadffb;
  border-radius: 1.35rem;
  background: #f9fcff;
}

.box-dieline-preview__canvas.is-grid-on {
  background-color: #fbfdff;
  background-image:
    linear-gradient(rgba(42, 112, 220, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 112, 220, 0.075) 1px, transparent 1px);
  background-size: 1.2rem 1.2rem;
}

.box-dieline-preview__toolbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  gap: 0.65rem;
  justify-content: space-between;
  min-width: min-content;
  padding: 0.8rem;
  border-bottom: 1px solid rgba(199, 218, 242, 0.75);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(0.6rem);
}

.box-dieline-preview__toolbar-group { display: flex; gap: 0.5rem; align-items: center; }

.box-dieline-preview__tool-button {
  display: inline-grid;
  min-width: 3.15rem;
  height: 3.15rem;
  place-items: center;
  padding: 0 0.72rem;
  border: 1px solid #c7daf5;
  border-radius: 0.85rem;
  color: #56708f;
  font: inherit;
  font-size: 1.15rem;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  background: #fff;
  transition: color 150ms ease, background 150ms ease, border-color 150ms ease;
}

.box-dieline-preview__tool-button:hover,
.box-dieline-preview__tool-button.is-active { border-color: var(--brand-color-1); color: var(--brand-color-1); background: #f0f7ff; }
.box-dieline-preview__tool-button:focus-visible { outline: 0.25rem solid rgba(var(--brand-color-1-rgb), 0.3); outline-offset: 0.16rem; }
.box-dieline-preview__tool-button .js-svg-inject { display: grid; width: 1.45rem; height: 1.45rem; place-items: center; }
.box-dieline-preview__tool-button .js-svg-inject svg { width: 100%; height: 100%; }
.box-dieline-preview__tool-button--fit { display: inline-flex; gap: 0.45rem; align-items: center; }
.box-dieline-preview__toolbar output { min-width: 4.35rem; color: #48617f; font-size: 1.14rem; font-weight: var(--font-weight-bold); text-align: center; }

.box-dieline-preview__stage {
  display: grid;
  min-width: 100%;
  min-height: 28rem;
  padding: 2.5rem;
  place-items: center;
}

.box-dieline-preview__stage > svg {
  display: block;
  width: min(100%, 76rem);
  height: auto;
  min-width: 36rem;
  max-height: 54rem;
  transform-origin: center center;
  transition: transform 180ms ease;
}

.box-dieline-preview__dieline-view {
  display: grid;
  min-width: 100%;
  min-height: 28rem;
}

.box-dieline-preview__dieline-view[hidden],
.box-dieline-preview__mockup[hidden] { display: none; }

.box-dieline-preview__mockup {
  display: grid;
  min-height: 28rem;
  padding: 1.15rem;
  place-items: center;
}

.box-dieline-preview__mockup-stage {
  position: relative;
  width: min(100%, 54rem);
  min-height: 32rem;
  padding: 1rem 1.1rem 1.2rem;
  border: 1px solid rgba(205, 222, 241, 0.9);
  border-radius: 1.1rem;
  background:
    radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.99), rgba(244, 247, 251, 0.94) 54%, rgba(225, 234, 245, 0.88)),
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(235, 242, 250, 0.84));
  box-shadow: 0 0.9rem 2rem rgba(22, 70, 134, 0.07);
}

.box-dieline-preview__mockup-stage::after {
  position: absolute;
  z-index: 0;
  right: 7%;
  bottom: 19%;
  width: 10rem;
  height: 10rem;
  border: 1px solid rgba(55, 100, 155, 0.09);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.box-dieline-preview__mockup-badge {
  position: absolute;
  z-index: 3;
  top: 1.15rem;
  left: 1.15rem;
  display: inline-flex;
  gap: 0.42rem;
  align-items: center;
  padding: 0.44rem 0.68rem;
  border: 1px solid #cfe0f4;
  border-radius: var(--border-radius-pill);
  color: #396593;
  font-size: 1.02rem;
  font-weight: var(--font-weight-semibold);
  line-height: 1.1;
  background: rgba(255, 255, 255, 0.92);
}

.box-dieline-preview__mockup-badge .js-svg-inject { width: 1.35rem; height: 1.35rem; color: #2475d6; }

.box-dieline-canvas__scene {
  position: relative;
  z-index: 1;
  height: 24rem;
  outline: none;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.box-dieline-canvas__scene::before {
  position: absolute;
  right: 0;
  bottom: 0.5rem;
  left: 0;
  z-index: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(63, 111, 168, 0.24), transparent);
  content: "";
  pointer-events: none;
}

.box-dieline-canvas__scene:focus-visible { outline: 0.24rem solid rgba(var(--brand-color-1-rgb), 0.3); outline-offset: 0.28rem; }
.box-dieline-canvas__scene.is-dragging { cursor: grabbing; }

.box-dieline-canvas__surface { position: relative; z-index: 1; display: block; width: 100%; height: 100%; }

.box-dieline-preview__mockup-status {
  position: relative;
  z-index: 1;
  margin: 0.35rem auto 0;
  color: #667994;
  font-size: 1.08rem;
  line-height: 1.45;
  text-align: center;
}

.box-dieline-preview__mockup-controls {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.15rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.72rem;
  padding: 0.65rem 0.1rem 0;
  border-top: 1px solid rgba(204, 221, 240, 0.84);
}

.box-dieline-preview__mockup-orbit,
.box-dieline-preview__mockup-actions { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; justify-content: center; }

.box-dieline-preview__mockup-orbit button,
.box-dieline-preview__mockup-actions button {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: 0.5rem 0.68rem;
  border: 1px solid #d2e1f2;
  border-radius: 0.68rem;
  color: #3d638d;
  font: inherit;
  font-size: 1.03rem;
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.9);
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.box-dieline-preview__mockup-orbit button { width: 2.7rem; padding: 0; }

.box-dieline-preview__mockup-orbit button:hover,
.box-dieline-preview__mockup-actions button:hover,
.box-dieline-preview__mockup-actions button.is-active {
  border-color: #aac9ed;
  color: var(--brand-color-1);
  background: #edf5ff;
  box-shadow: 0 0.35rem 0.85rem rgba(31, 102, 192, 0.1);
}

.box-dieline-preview__mockup-orbit button:focus-visible,
.box-dieline-preview__mockup-actions button:focus-visible {
  outline: 0.24rem solid rgba(var(--brand-color-1-rgb), 0.28);
  outline-offset: 0.16rem;
}

.box-dieline-preview__mockup-orbit .js-svg-inject,
.box-dieline-preview__mockup-actions .js-svg-inject { width: 1.4rem; height: 1.4rem; }

.box-dieline-preview__mockup-caption {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.24rem;
  margin-top: 0.75rem;
  color: #59718f;
  font-size: 1.12rem;
  text-align: center;
}

.box-dieline-preview__mockup-caption strong {
  color: #1d62bc;
  font-size: 1.18rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.03em;
}

.box-dieline-preview__canvas.is-mockup-mode {
  overflow: hidden;
  background: #f7fbff;
}

.box-dieline-preview__canvas.is-mockup-mode .box-dieline-preview__toolbar-group:first-child,
.box-dieline-preview__canvas.is-mockup-mode [data-box-zoom-out],
.box-dieline-preview__canvas.is-mockup-mode [data-box-zoom-in],
.box-dieline-preview__canvas.is-mockup-mode .box-dieline-preview__toolbar output { display: none; }

.box-dieline-preview__canvas:fullscreen {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
}

.box-dieline-preview__canvas:fullscreen .box-dieline-preview__stage { min-height: calc(100vh - 5rem); }

.box-dieline-preview__canvas:fullscreen .box-dieline-preview__dieline-view,
.box-dieline-preview__canvas:fullscreen .box-dieline-preview__mockup { min-height: calc(100vh - 5rem); }

.box-dieline-preview__canvas:fullscreen .box-dieline-preview__mockup-stage { width: min(90vw, 88rem); min-height: 0; }
.box-dieline-preview__canvas:fullscreen .box-dieline-canvas__scene { height: min(58vh, 50rem); }

.box-dieline-layer-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin: 1.2rem 0;
}

.box-dieline-layer-controls[hidden] { display: none; }

.box-dieline-layer-controls > span { margin-right: 0.2rem; color: #687c96; font-size: 1.13rem; font-weight: var(--font-weight-semibold); }
.box-dieline-layer-controls button {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  min-height: 2.65rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid #d5e2f4;
  border-radius: var(--border-radius-pill);
  color: #60758e;
  font: inherit;
  font-size: 1.08rem;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  background: #fff;
}

.box-dieline-layer-controls button.is-active { border-color: #abc9f3; color: #355574; background: #f3f8ff; }
.box-dieline-layer-controls button:focus-visible { outline: 0.22rem solid rgba(var(--brand-color-1-rgb), 0.25); outline-offset: 0.15rem; }
.box-dieline-layer-controls i { width: 0.8rem; height: 0.8rem; border-radius: 50%; background: #d0dae7; }
.box-dieline-layer-controls button[data-box-layer-toggle="CUT"] i { background: #e6007e; }
.box-dieline-layer-controls button[data-box-layer-toggle="CREASE"] i { background: #00aeef; }
.box-dieline-layer-controls button[data-box-layer-toggle="INFO-NON-PRINT"] i { background: #71809a; }
.box-dieline-layer-controls button:not(.is-active) i { background: #cbd5e2; }

.box-dieline-preview__summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 1.25rem 0;
  border: 1px solid #dbe7f7;
  border-radius: 1.15rem;
  background: #f9fbff;
}

.box-dieline-preview__summary div { min-width: 0; padding: 1.05rem 0.95rem; }
.box-dieline-preview__summary div + div { border-left: 1px solid #dbe7f7; }
.box-dieline-preview__summary span { display: block; color: #7a8ca4; font-size: 1.03rem; font-weight: var(--font-weight-semibold); line-height: 1.3; }
.box-dieline-preview__summary strong { display: block; margin-top: 0.35rem; overflow-wrap: anywhere; color: #24446c; font-size: 1.25rem; line-height: 1.35; }

.box-dieline-preview__validation {
  min-height: 0;
  margin: 0;
  color: #b23535;
  font-size: 1.22rem;
  font-weight: var(--font-weight-semibold);
  line-height: 1.45;
}

.box-dieline-preview__validation:not(:empty) { min-height: 2.8rem; padding: 0.72rem 0.95rem; border: 1px solid #ffcece; border-radius: 0.85rem; background: #fff6f6; }

.box-dieline-preview__actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.8rem;
  margin-top: 1.25rem;
}

.box-dieline-download,
.box-dieline-print {
  display: inline-flex;
  gap: 0.68rem;
  align-items: center;
  justify-content: center;
  min-height: 4.45rem;
  border-radius: 1rem;
  font: inherit;
  font-size: 1.38rem;
  font-weight: var(--font-weight-bold);
  cursor: pointer;
}

.box-dieline-download .js-svg-inject,
.box-dieline-print .js-svg-inject { display: grid; width: 1.65rem; height: 1.65rem; place-items: center; }
.box-dieline-download .js-svg-inject svg,
.box-dieline-print .js-svg-inject svg { width: 100%; height: 100%; }
.box-dieline-download { border: 0; color: #fff; background: linear-gradient(110deg, var(--brand-color-1), #168ee7); box-shadow: 0 1rem 2.1rem rgba(var(--brand-color-1-rgb), 0.23); }
.box-dieline-download:hover { filter: brightness(1.04); }
.box-dieline-print { min-width: 12.7rem; padding: 0 1.2rem; border: 1px solid #bed5f4; color: var(--brand-color-1); background: #fff; }
.box-dieline-print:hover { border-color: var(--brand-color-1); background: #f4f9ff; }
.box-dieline-download:focus-visible,
.box-dieline-print:focus-visible { outline: 0.28rem solid rgba(var(--brand-color-1-rgb), 0.3); outline-offset: 0.2rem; }

.box-dieline-preview__hint,
.box-dieline-production-link {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: 0.65rem;
  align-items: flex-start;
  margin: 1.2rem 0 0;
  color: #6b7d94;
  font-size: 1.25rem;
  line-height: 1.53;
}

.box-dieline-preview__hint .js-svg-inject,
.box-dieline-production-link > .js-svg-inject { display: grid; width: 2.25rem; height: 2.25rem; place-items: center; border-radius: 0.7rem; color: var(--brand-color-1); background: #eaf3ff; }
.box-dieline-preview__hint .js-svg-inject svg,
.box-dieline-production-link > .js-svg-inject svg { width: 1.4rem; height: 1.4rem; }
.box-dieline-production-link { margin-top: 1.15rem; padding: 1.1rem; border-radius: 1rem; background: #f4f9ff; }
.box-dieline-production-link strong { color: #2e496a; }
.box-dieline-production-link a { color: var(--brand-color-1); font-weight: var(--font-weight-bold); text-decoration: underline; text-underline-offset: 0.15rem; }

.box-dieline-guide,
.box-dieline-knowledge,
.box-dieline-use-cases,
.box-dieline-related,
.box-dieline-faq { margin-top: 4.5rem; padding: 4rem; }

.box-dieline-section-heading { max-width: 77rem; }
.box-dieline-section-heading .box-dieline-eyebrow { padding: 0.65rem 0.95rem; border-radius: var(--border-radius-pill); color: var(--brand-color-1); background: #eaf3ff; }
.box-dieline-section-heading h2 { margin: 1.1rem 0 0; color: #1b2d4b; font-size: clamp(2.55rem, 3.5vw, 3.6rem); line-height: 1.2; }
.box-dieline-section-heading p { margin: 1rem 0 0; color: #647891; font-size: 1.6rem; line-height: 1.65; }

.box-dieline-guide__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 2.7rem 0 0;
  padding: 0;
  list-style: none;
}

.box-dieline-guide__grid li {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 1.1rem;
  padding: 1.55rem;
  border: 1px solid #dbe8f9;
  border-radius: 1.35rem;
  background: linear-gradient(155deg, #f9fcff, #fff);
}

.box-dieline-guide__grid li > span,
.box-dieline-knowledge__number { display: grid; width: 4rem; height: 4rem; place-items: center; border-radius: 1.15rem; color: var(--brand-color-1); font-size: 1.3rem; font-weight: var(--font-weight-bold); background: #e7f1ff; }
.box-dieline-guide__grid h3,
.box-dieline-knowledge h3 { margin: 0; color: #213957; font-size: 1.56rem; line-height: 1.35; }
.box-dieline-guide__grid p,
.box-dieline-knowledge__grid p { margin: 0.55rem 0 0; color: #6c7f96; font-size: 1.28rem; line-height: 1.55; }

.box-dieline-knowledge { background: linear-gradient(145deg, #f7fbff, #fff 54%); }
.box-dieline-knowledge__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin-top: 2.5rem; }
.box-dieline-knowledge__grid article { padding: 1.65rem; border: 1px solid #dbe8f7; border-radius: 1.35rem; background: rgba(255, 255, 255, 0.82); }
.box-dieline-knowledge__number { width: auto; min-width: 4.2rem; padding: 0 0.8rem; margin-bottom: 1.1rem; border-radius: var(--border-radius-pill); }
.box-dieline-knowledge__notice { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem; align-items: flex-start; margin-top: 1.5rem; padding: 1.35rem 1.5rem; border: 1px solid #d7e7fa; border-radius: 1.2rem; background: #fff; }
.box-dieline-knowledge__notice .js-svg-inject { display: grid; width: 3rem; height: 3rem; place-items: center; border-radius: 0.85rem; color: var(--brand-color-1); background: #e9f3ff; }
.box-dieline-knowledge__notice .js-svg-inject svg { width: 1.75rem; height: 1.75rem; }
.box-dieline-knowledge__notice p { margin: 0.2rem 0 0; color: #61758f; font-size: 1.34rem; line-height: 1.6; }
.box-dieline-knowledge__notice strong { color: #2a4261; }
.box-dieline-knowledge__notice a { color: var(--brand-color-1); font-weight: var(--font-weight-bold); text-decoration: underline; text-underline-offset: 0.15rem; }

.box-dieline-use-cases { background: linear-gradient(145deg, #fff, #f6fbff); }
.box-dieline-use-cases__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; margin-top: 2.5rem; }
.box-dieline-use-cases__grid article { padding: 1.7rem; border: 1px solid #dbe8f7; border-radius: 1.35rem; background: rgba(255, 255, 255, 0.92); }
.box-dieline-use-cases__grid h3 { margin: 0; color: #213957; font-size: 1.62rem; line-height: 1.35; }
.box-dieline-use-cases__grid p { margin: 0.7rem 0 0; color: #667a92; font-size: 1.33rem; line-height: 1.62; }

.box-dieline-related { background: #fff; }
.box-dieline-related__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.15rem; margin-top: 2.5rem; }
.box-dieline-related__grid a { display: grid; gap: 0.58rem; min-height: 10.3rem; padding: 1.55rem 1.65rem; border: 1px solid #d6e6f8; border-radius: 1.3rem; color: inherit; background: linear-gradient(145deg, #fbfdff, #f4f9ff); text-decoration: none; transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease; }
.box-dieline-related__grid a:hover { border-color: rgba(var(--brand-color-1-rgb), 0.55); box-shadow: 0 0.9rem 1.9rem rgba(19, 57, 112, 0.08); transform: translateY(-0.15rem); }
.box-dieline-related__grid a:focus-visible { outline: 0.28rem solid rgba(var(--brand-color-1-rgb), 0.3); outline-offset: 0.2rem; }
.box-dieline-related__grid strong { color: var(--brand-color-1); font-size: 1.52rem; line-height: 1.35; }
.box-dieline-related__grid span { color: #687b91; font-size: 1.28rem; line-height: 1.58; }

.box-dieline-faq { display: grid; grid-template-columns: minmax(22rem, 0.75fr) minmax(0, 1.25fr); gap: 4.5rem; align-items: start; }
.box-dieline-section-heading--left h2 { font-size: clamp(2.35rem, 3.2vw, 3.2rem); }
.box-dieline-faq__list { display: grid; gap: 0.85rem; }
.box-dieline-faq__item { border: 1px solid #dbe7f8; border-radius: 1.05rem; background: #fff; }
.box-dieline-faq__item summary { display: flex; gap: 1rem; align-items: center; justify-content: space-between; padding: 1.35rem 1.45rem; color: #2a4160; font-size: 1.48rem; font-weight: var(--font-weight-bold); line-height: 1.4; cursor: pointer; list-style: none; }
.box-dieline-faq__item summary::-webkit-details-marker { display: none; }
.box-dieline-faq__item summary .js-svg-inject { display: grid; flex: 0 0 2rem; width: 2rem; height: 2rem; place-items: center; border-radius: 50%; color: var(--brand-color-1); background: #eaf3ff; transition: transform 150ms ease; }
.box-dieline-faq__item summary .js-svg-inject svg { width: 1.25rem; height: 1.25rem; }
.box-dieline-faq__item[open] summary .js-svg-inject { transform: rotate(45deg); }
.box-dieline-faq__item p { margin: -0.15rem 1.45rem 1.35rem; color: #677b94; font-size: 1.38rem; line-height: 1.65; }

@media (max-width: 1100px) {
  .box-dieline-hero { grid-template-columns: minmax(0, 1fr) 20rem; gap: 2.5rem; padding: 4rem; }
  .box-dieline-hero__art { min-height: 20rem; }
  .box-dieline-hero__dieline { max-height: 23rem; }
  .box-dieline-intro { gap: 2.3rem; padding: 2.8rem; }
  .box-dieline-workspace { grid-template-columns: minmax(0, 1fr) minmax(33rem, 0.9fr); gap: 1.6rem; }
  .box-dieline-form { padding: 2.5rem; }
  .box-dieline-preview { padding: 2rem; }
  .box-dieline-preview__summary { grid-template-columns: 1fr; }
  .box-dieline-preview__summary div + div { border-top: 1px solid #dbe7f7; border-left: 0; }
}

@media (max-width: 1099.98px) {
  .box-dieline-related__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 899.98px) {
  .box-dieline-hero { grid-template-columns: 1fr; }
  .box-dieline-hero__art { min-height: 20rem; }
  .box-dieline-hero__dieline { width: min(100%, 28rem); max-height: 22rem; }
  .box-dieline-intro { grid-template-columns: 1fr; }
  .box-dieline-workspace { grid-template-columns: 1fr; }
  .box-dieline-preview { position: static; }
  .box-dieline-preview__summary { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .box-dieline-preview__summary div + div { border-top: 0; border-left: 1px solid #dbe7f7; }
  .box-dieline-guide__grid { grid-template-columns: 1fr; }
  .box-dieline-use-cases__grid { grid-template-columns: 1fr; }
  .box-dieline-faq { grid-template-columns: 1fr; gap: 2.2rem; }
}

@media (max-width: 599.98px) {
  .box-dieline-page { padding-bottom: 4.5rem; }
  .box-dieline-hero { margin: 0.9rem -0.1rem 2.2rem; padding: 2.5rem 2rem; border-radius: 1.5rem; }
  .box-dieline-hero h1 { margin-top: 1.15rem; font-size: 2.65rem; }
  .box-dieline-hero p { font-size: 1.43rem; line-height: 1.62; }
  .box-dieline-hero__benefits { display: grid; gap: 0.8rem; margin-top: 1.7rem; }
  .box-dieline-hero__benefits li { font-size: 1.18rem; }
  .box-dieline-hero__art { min-height: 14rem; margin-top: -0.25rem; }
  .box-dieline-hero__dieline { width: min(100%, 24rem); max-height: 17rem; }
  .box-dieline-eyebrow { font-size: 1.08rem; }

  .box-dieline-form,
  .box-dieline-preview,
  .box-dieline-intro,
  .box-dieline-guide,
  .box-dieline-knowledge,
  .box-dieline-use-cases,
  .box-dieline-related,
  .box-dieline-faq { border-radius: 1.4rem; box-shadow: none; }
  .box-dieline-form { padding: 1.65rem; }
  .box-dieline-preview { padding: 1.45rem; }
  .box-dieline-intro { gap: 1.55rem; margin: -0.9rem 0 2.2rem; padding: 2rem 1.55rem; }
  .box-dieline-intro h2 { font-size: 2.05rem; }
  .box-dieline-intro__copy > p { font-size: 1.28rem; line-height: 1.6; }
  .box-dieline-intro__audience { padding: 1.15rem; border-radius: 1.15rem; }
  .box-dieline-intro__audience > span { font-size: 1.06rem; }
  .box-dieline-intro__audience ul { gap: 0.75rem; margin-top: 0.9rem; }
  .box-dieline-intro__audience li { grid-template-columns: 2.35rem minmax(0, 1fr); gap: 0.7rem; font-size: 1.12rem; }
  .box-dieline-intro__audience .js-svg-inject { width: 2.35rem; height: 2.35rem; border-radius: 0.75rem; }
  .box-dieline-intro__audience .js-svg-inject svg { width: 1.25rem; height: 1.25rem; }
  .box-dieline-form__eyebrow { font-size: 0.98rem; }
  .box-dieline-form__eyebrow .js-svg-inject { width: 1.3rem; height: 1.3rem; }
  .box-dieline-form h2,
  .box-dieline-preview h2 { font-size: 1.88rem; }
  .box-dieline-form__heading p,
  .box-dieline-preview__header p { font-size: 1.2rem; }
  .box-dieline-template-picker { margin-top: 1.65rem; }
  .box-dieline-template-picker__option { grid-template-columns: 3.45rem minmax(0, 1fr); gap: 0.85rem; min-height: 0; padding: 1.05rem; }
  .box-dieline-template-picker__icon { width: 3.45rem; height: 3.45rem; border-radius: 1rem; }
  .box-dieline-template-picker__copy strong { font-size: 1.35rem; }
  .box-dieline-template-picker__copy small { font-size: 1.1rem; }
  .box-dieline-template-picker__tag { grid-column: 2; justify-self: start; padding: 0.35rem 0.58rem; font-size: 0.94rem; }
  .box-dieline-form__divider { margin: 2rem 0; }
  .box-dieline-field-grid { grid-template-columns: 1fr; gap: 1rem; }
  .box-dieline-field-grid--advanced > .box-dieline-field:last-child { grid-column: auto; }
  .box-dieline-field__label { font-size: 1.18rem; }
  .box-dieline-field input { height: 4rem; font-size: 1.4rem; }
  .box-dieline-cutout-fields { padding: 1.05rem; }
  .box-dieline-cutout-fields legend { font-size: 1.18rem; }
  .box-dieline-cutout-fields__hint { font-size: 1.04rem; }
  .box-dieline-cutout-picker { grid-template-columns: 1fr; }
  .box-dieline-cutout-picker__option { min-height: 5.65rem; }
  .box-dieline-cutout-radius-field { grid-column: auto; }
  .box-dieline-advanced { margin-top: 1.2rem; border-radius: 1.05rem; }
  .box-dieline-advanced summary { padding: 1.05rem; font-size: 1.2rem; }
  .box-dieline-advanced__content { padding: 0 1.05rem 1.05rem; }
  .box-dieline-switch-grid { grid-template-columns: 1fr; gap: 0.7rem; }
  .box-dieline-switch { min-height: 5.9rem; padding: 0.8rem; }
  .box-dieline-switch strong { font-size: 1.18rem; }
  .box-dieline-switch small { font-size: 1.05rem; }

  .box-dieline-preview__header { gap: 0.8rem; margin-bottom: 1.15rem; }
  .box-dieline-preview__eyebrow { font-size: 0.98rem; }
  .box-dieline-preview h2 { font-size: 1.95rem; }
  .box-dieline-preview__status { padding: 0.48rem 0.62rem; font-size: 0.96rem; }
  .box-dieline-preview__status .js-svg-inject { display: none; }
  .box-dieline-preview__view-tabs { width: 100%; margin: 0 0 1rem; }
  .box-dieline-preview__view-tabs button { flex: 1 1 0; min-width: 0; min-height: 3rem; padding: 0.48rem 0.55rem; font-size: 1.02rem; }
  .box-dieline-preview__view-tabs button .js-svg-inject { width: 1.3rem; height: 1.3rem; }
  .box-dieline-preview__canvas { min-height: 27rem; border-radius: 1.05rem; }
  .box-dieline-preview__toolbar { padding: 0.55rem; }
  .box-dieline-preview__tool-button { min-width: 2.75rem; height: 2.75rem; padding: 0 0.52rem; }
  .box-dieline-preview__tool-button--fit span:not(.js-svg-inject) { display: none; }
  .box-dieline-preview__toolbar output { min-width: 3.8rem; font-size: 1.03rem; }
  .box-dieline-preview__stage { min-height: 22rem; padding: 1.5rem; }
  .box-dieline-preview__stage > svg { min-width: 26rem; }
  .box-dieline-preview__dieline-view { min-height: 22rem; }
  .box-dieline-preview__mockup { min-height: 22rem; padding: 0.72rem; }
  .box-dieline-preview__mockup-stage { min-height: 26rem; padding: 0.8rem; border-radius: 0.92rem; }
  .box-dieline-preview__mockup-badge { top: 0.85rem; left: 0.85rem; font-size: 0.94rem; }
  .box-dieline-canvas__scene { height: 18.6rem; }
  .box-dieline-preview__mockup-status { padding: 0 0.35rem; font-size: 0.97rem; }
  .box-dieline-preview__mockup-controls { gap: 0.55rem; justify-content: center; margin-top: 0.55rem; }
  .box-dieline-preview__mockup-orbit button,
  .box-dieline-preview__mockup-actions button { min-height: 2.5rem; font-size: 0.95rem; }
  .box-dieline-preview__mockup-orbit button { width: 2.5rem; }
  .box-dieline-preview__mockup-caption { font-size: 1rem; }
  .box-dieline-preview__mockup-caption strong { font-size: 1.04rem; }
  .box-dieline-layer-controls { gap: 0.4rem; margin: 0.95rem 0; }
  .box-dieline-layer-controls > span { width: 100%; font-size: 1.03rem; }
  .box-dieline-layer-controls button { min-height: 2.3rem; padding: 0.22rem 0.58rem; font-size: 0.96rem; }
  .box-dieline-preview__summary { grid-template-columns: 1fr; }
  .box-dieline-preview__summary div { padding: 0.78rem 0.9rem; }
  .box-dieline-preview__summary div + div { border-top: 1px solid #dbe7f7; border-left: 0; }
  .box-dieline-preview__summary span { font-size: 0.94rem; }
  .box-dieline-preview__summary strong { font-size: 1.14rem; }
  .box-dieline-preview__actions { grid-template-columns: 1fr; }
  .box-dieline-download,
  .box-dieline-print { min-height: 4.05rem; font-size: 1.22rem; }
  .box-dieline-print { min-width: 0; }
  .box-dieline-preview__hint,
  .box-dieline-production-link { font-size: 1.08rem; }

  .box-dieline-guide,
  .box-dieline-knowledge,
  .box-dieline-use-cases,
  .box-dieline-related,
  .box-dieline-faq { margin-top: 2.2rem; padding: 2rem 1.55rem; }
  .box-dieline-section-heading h2 { font-size: 2.05rem; }
  .box-dieline-section-heading p { font-size: 1.3rem; line-height: 1.58; }
  .box-dieline-guide__grid { gap: 0.85rem; margin-top: 1.6rem; }
  .box-dieline-guide__grid li { grid-template-columns: 3.3rem minmax(0, 1fr); gap: 0.8rem; padding: 1.05rem; }
  .box-dieline-guide__grid li > span { width: 3.3rem; height: 3.3rem; border-radius: 1rem; font-size: 1.1rem; }
  .box-dieline-guide__grid h3,
  .box-dieline-knowledge h3 { font-size: 1.3rem; }
  .box-dieline-guide__grid p,
  .box-dieline-knowledge__grid p { font-size: 1.1rem; }
  .box-dieline-knowledge__grid { grid-template-columns: 1fr; gap: 0.85rem; margin-top: 1.6rem; }
  .box-dieline-knowledge__grid article { padding: 1.15rem; }
  .box-dieline-knowledge__number { margin-bottom: 0.75rem; font-size: 1.05rem; }
  .box-dieline-knowledge__notice { grid-template-columns: 2.55rem minmax(0, 1fr); gap: 0.75rem; padding: 1rem; }
  .box-dieline-knowledge__notice .js-svg-inject { width: 2.55rem; height: 2.55rem; }
  .box-dieline-knowledge__notice p { font-size: 1.12rem; }
  .box-dieline-use-cases__grid { gap: 0.85rem; margin-top: 1.6rem; }
  .box-dieline-use-cases__grid article { padding: 1.15rem; }
  .box-dieline-use-cases__grid h3 { font-size: 1.3rem; }
  .box-dieline-use-cases__grid p { font-size: 1.1rem; }
  .box-dieline-related__grid { grid-template-columns: 1fr; gap: 0.85rem; margin-top: 1.6rem; }
  .box-dieline-related__grid a { min-height: 0; padding: 1.15rem; }
  .box-dieline-related__grid strong { font-size: 1.3rem; }
  .box-dieline-related__grid span { font-size: 1.1rem; }
  .box-dieline-faq { gap: 1.45rem; }
  .box-dieline-faq__item summary { padding: 1.05rem; font-size: 1.22rem; }
  .box-dieline-faq__item p { margin: 0 1.05rem 1.05rem; font-size: 1.15rem; }
}

@media (prefers-reduced-motion: reduce) {
  .box-dieline-page *,
  .box-dieline-page *::before,
  .box-dieline-page *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}