.mining-case-v2 {
  --page: #fafbfc;
  --surface: #ffffff;
  --soft: #f1f2f4;
  --ink: #253746;
  --body: #515f6b;
  --muted: #686e7d;
  --line: #dfe4e8;
  --pill: #dce1e8;
  --blue: #3157d5;
  --blue-soft: #eaf4ff;
}

.mining-case-v2 .nav {
  height: 76px;
}

.mining-case-v2 .hero {
  padding-top: 96px;
}

.mining-case-v2 .hero-copy {
  padding-top: 46px;
}

.mining-case-v2 .chapter-head h2,
.mining-case-v2 .retrospective > h2 {
  font-size: 36px;
  line-height: 44px;
}

.mining-case-v2 .chapter-head {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.mining-case-v2 .chapter-head p {
  margin-right: auto;
  margin-left: auto;
}

.mining-case-v2 .intro-grid h2 {
  font-size: 36px;
  line-height: 44px;
}

.mining-case-v2 .retrospective h3 {
  font-size: 32px;
  line-height: 40px;
}

@media (max-width: 768px) {
  .mining-case-v2 .chapter-head h2,
  .mining-case-v2 .retrospective > h2,
  .mining-case-v2 .intro-grid h2 {
    font-size: 32px;
    line-height: 40px;
  }

  .mining-case-v2 .retrospective h3 {
    font-size: 28px;
    line-height: 36px;
  }
}

.mining-case-v2 .mining-hero-frame {
  border: 0;
  background: transparent;
  padding: 0;
}

.mining-case-v2 .mining-hero-frame img {
  border: 0;
  border-radius: 18px;
  box-shadow: none;
}

.intro-grid--tools {
  grid-template-columns: 1fr;
  align-items: center;
  justify-items: center;
  border-bottom: 0;
}

.tool-list {
  display: grid;
  width: min(100%, 820px);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tool-list li {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border: 0;
  border-radius: 0;
  color: var(--ink);
  background: transparent;
  font-size: 15px;
  font-weight: 550;
}

.tool-list img {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  object-fit: contain;
}

.mining-case-v2 .mobile-toggle,
.mining-case-v2 .nav-links a,
.mining-case-v2 .case-tab {
  min-width: 44px;
  min-height: 44px;
  touch-action: manipulation;
}

.mining-showcase,
.system-figure {
  background: #f1f2f4;
}

.mining-case-v2 #system {
  background: var(--page);
}

.mining-case-v2 .system-figure {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: clamp(12px, 1.6vw, 20px);
  padding: clamp(24px, 3vw, 40px);
  border-radius: 20px;
}

.mining-showcase img,
.system-figure img {
  border: 0;
  border-radius: 14px;
  box-shadow: none;
}

.mining-showcase.is-lightbox-trigger,
.mining-showcase .is-zoomable {
  cursor: zoom-in;
}

.discovery-field,
.discovery-task,
.discovery-review {
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.42fr);
  align-items: center;
}

.discovery-review {
  grid-template-columns: minmax(0, 413fr) minmax(0, 770fr);
  gap: clamp(24px, 4.13vw, 51px);
  min-height: 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.discovery-review__copy {
  padding: 0;
}

.discovery-review__copy p {
  margin: 0;
}

.prototype-review-figure {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 770 / 433;
  margin: 0;
  border-radius: 16px;
  background: #f1f2f4;
}

.prototype-review-figure img {
  position: absolute;
  top: -28.17552%;
  left: -12.98701%;
  width: 125.97403%;
  height: 156.58199%;
  max-width: none;
  object-fit: cover;
}

.field-photo-board {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 14px;
  min-height: 430px;
  padding: 24px;
  border-radius: 16px;
  background: #f1f2f4;
}

.field-photo {
  overflow: hidden;
  margin: 0;
  border-radius: 12px;
  background: #dfe4e8;
}

.field-photo--tall {
  grid-row: 1 / span 2;
}

.field-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.task-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 26px;
  border-radius: 16px;
  background: #f1f2f4;
}

.task-map article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.task-map h4 {
  margin: 0;
  padding: 18px;
  color: #fff;
  background: #636977;
  font-size: 17px;
  font-weight: 600;
  text-align: center;
}

.task-map ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 18px;
  list-style: none;
}

.task-map li {
  padding: 10px 12px;
  border-radius: 7px;
  color: var(--body);
  background: #f5f7f9;
  font-size: 14px;
  text-align: center;
}

.flow-validation {
  padding: 36px;
  border: 1px solid #f1f2f4;
  border-radius: 16px;
  background: #f1f2f4;
}

.flow-validation > h3 {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.flow-validation > p {
  max-width: 1120px;
  margin: 0;
  color: var(--body);
  font-size: 13px;
  line-height: 1.65;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(28px, 4.9vw, 64px);
  margin: 42px 18px 0;
  padding: 0;
  list-style: none;
}

.flow-step {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 88px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border-radius: 6px;
  color: #fff;
  background: #4ea0f6;
}

.flow-step::after {
  position: absolute;
  top: 50%;
  left: calc(100% + 4px);
  width: calc(clamp(28px, 4.9vw, 64px) - 8px);
  height: 1px;
  background: #6b7782;
  content: "";
}

.flow-step:last-child::after {
  display: none;
}

.flow-step strong {
  width: 100%;
  padding: 7px 8px;
  border-radius: 4px;
  color: var(--ink);
  background: #fff;
  font-size: clamp(13px, 1.25vw, 16px);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.25;
  text-align: center;
}

.flow-step--command {
  background: #4e7bf6;
}

.flow-step--feedback {
  background: #3bc98e;
}

.flow-step--intervene {
  background: #636977;
}

.flow-prototype-link {
  display: flex;
  width: fit-content;
  min-height: 40px;
  align-items: center;
  gap: 8px;
  margin: 36px auto 0;
  padding: 10px 20px;
  border-radius: 999px;
  color: var(--ink);
  background: #dce1e8;
  font-size: 14px;
  font-weight: 550;
  text-decoration: none;
}

.flow-prototype-link:hover {
  background: #cfd6df;
}

.design-panel {
  display: block;
  padding: clamp(18px, 3.2vw, 42px);
  border-radius: 18px;
  background: #f1f2f4;
}

.design-panel[hidden] {
  display: none;
}

.design-panel > img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.ia-tree {
  min-height: 610px;
  padding: 40px 48px 52px;
}

.ia-root {
  position: relative;
  display: flex;
  width: 224px;
  height: 76px;
  align-items: flex-start;
  justify-content: center;
  margin: 0 auto;
  padding: 18px 12px 26px;
  border-radius: 6px;
  color: var(--ink);
  background: #4ea0f6;
  box-sizing: border-box;
}

.ia-root::after {
  display: block;
  position: absolute;
  top: 76px;
  bottom: auto;
  left: 50%;
  width: 1px;
  height: 43px;
  background: var(--body);
  content: "";
  transform: translateX(-50%);
}

.ia-root span {
  display: flex;
  width: 200px;
  min-width: 0;
  height: 32px;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  border-radius: 4px;
  color: var(--ink);
  background: #fff;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: normal;
  white-space: nowrap;
  box-sizing: border-box;
}

.ia-branches {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 34px;
  margin-top: 75px;
}

.ia-branches::before {
  position: absolute;
  top: -32px;
  right: 10.5%;
  left: 10.5%;
  height: 1px;
  background: var(--body);
  content: "";
}

.ia-branch {
  position: relative;
}

.ia-branch::before {
  position: absolute;
  top: -32px;
  left: 50%;
  width: 1px;
  height: 32px;
  background: var(--body);
  content: "";
}

.ia-branch h3 {
  margin: 0 0 15px;
  padding: 22px 12px 12px;
  border-radius: 6px;
  background: #636977;
}

.ia-branch h3 span {
  display: block;
  padding: 7px 12px;
  border-radius: 4px;
  color: var(--ink);
  background: #fff;
  font-size: 16px;
  font-weight: 400;
  text-align: center;
}

.ia-branch ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0 16px;
  list-style: none;
}

.ia-branch li {
  padding: 7px 12px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  color: var(--body);
  background: #fff;
  font-size: 15px;
  line-height: 1.45;
  text-align: center;
}

.design-panel--modeling {
  padding: 0;
  background: transparent;
}

.modeling-collage {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 1234 / 694;
  margin: 0;
  border: 1px solid #f1f2f4;
  border-radius: 16px;
  background: #f1f2f4;
}

.modeling-collage img {
  position: absolute;
  max-width: none;
  border-radius: 12px;
  object-fit: cover;
}

.modeling-collage__right {
  z-index: 1;
  top: 33.861671%;
  left: 77.876823%;
  width: 34.846029%;
  height: 34.870317%;
}

.modeling-collage__midright {
  z-index: 2;
  top: 32.132565%;
  left: 53.808752%;
  width: 34.846029%;
  height: 38.184438%;
}

.modeling-collage__left {
  z-index: 3;
  top: 29.394813%;
  left: -4.051864%;
  width: 35.980551%;
  height: 37.319885%;
}

.modeling-collage__main {
  z-index: 4;
  top: 25.648415%;
  left: 14.991896%;
  width: 49.270665%;
  height: 51.152738%;
}

.mining-case-v2 .outcome-grid article:first-child {
  background:
    radial-gradient(circle at 86% 18%, rgba(52, 143, 255, 0.18), transparent 34%),
    #f1f2f4;
}

.mining-case-v2 .outcome-grid article:last-child {
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.2), transparent 46%),
    #eef1f4;
}

.mining-case-v2 .retrospective article {
  grid-template-columns: minmax(230px, 0.8fr) minmax(0, 1.2fr);
}

@media (max-width: 980px) {
  .tool-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .discovery-field,
  .discovery-task,
  .discovery-review {
    grid-template-columns: 1fr;
  }

  .discovery-review {
    gap: 28px;
  }

  .field-photo-board {
    min-height: 380px;
  }

  .task-map {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-right: 0;
    margin-left: 0;
  }

  .flow-step {
    width: min(320px, 100%);
    justify-self: center;
  }

  .flow-steps .flow-step:not(:last-child)::after {
    top: calc(100% + 4px);
    left: 50%;
    width: 1px;
    height: 20px;
  }

  .ia-tree {
    overflow-x: auto;
    min-height: 570px;
    padding-right: 24px;
    padding-left: 24px;
  }

  .ia-canvas {
    min-width: 880px;
  }
}

@media (max-width: 680px) {
  .mining-case-v2 .system-figure {
    grid-template-columns: 1fr;
  }

  .mining-case-v2 .nav {
    height: 68px;
  }

  .mining-case-v2 .hero {
    padding-top: 82px;
  }

  .mining-case-v2 h1 {
    white-space: normal;
  }

  .tool-list {
    grid-template-columns: 1fr;
  }

  .tool-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .field-photo-board {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    min-height: auto;
    padding: 14px;
  }

  .field-photo--tall {
    grid-row: auto;
  }

  .field-photo {
    aspect-ratio: 16 / 10;
  }

  .task-map,
  .design-panel {
    padding: 14px;
  }

  .flow-validation {
    padding: 24px 18px;
  }

  .flow-validation > h3 {
    margin-bottom: 14px;
  }

  .flow-steps {
    margin-top: 28px;
  }

  .ia-tree {
    margin: -14px;
    padding: 28px 20px 42px;
  }

  .design-panel--modeling {
    padding: 0;
  }

  .mining-case-v2 .retrospective article {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mining-case-v2 *,
  .mining-case-v2 *::before,
  .mining-case-v2 *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}