.page-hero {
  /*min-height: 250px;*/
  padding: 78px 20px 56px;
  text-align: center;
  background: linear-gradient(90deg, rgba(238, 245, 252, 0.7), rgba(255, 255, 255, 0.72)),
    url("../img/cases/assets/page-bg.jpg") center/cover no-repeat;
}

.page-hero h1 {
  margin: 0;
  color: var(--brand);
  font-family: "AlibabaPuHuiTi", "Microsoft YaHei", Arial, sans-serif;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0;
}

.section-title h2 {
  margin: 0;
  color: var(--brand);
  font-family: "AlibabaPuHuiTi", "Microsoft YaHei", Arial, sans-serif;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0;
}

.en-title {
  display: block;
  margin-top: 3px;
  color: #526174;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-lead {
  width: min(980px, 100%);
  margin: 28px auto 0;
  color: #202a3b;
  font-size: 18px;
  line-height: 1.9;
}

.section {
  padding: 40px 0;
}

.section.soft {
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.72), rgba(235, 243, 252, 0.95));
}

.section.band {
  background: linear-gradient(90deg, rgba(238, 245, 252, 0.72), rgba(255, 255, 255, 0.82)),
    url("../img/cases/assets/page-bg.jpg") center/cover no-repeat;
}

.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  width: min(980px, calc(100% - 40px));
}

.section-title {
  margin-bottom: 40px;
  text-align: center;
}

.section-title.left {
  text-align: left;
}

.section-title p,
.body-copy {
  color: #273245;
  font-size: 16px;
}

.body-copy p {
  margin: 0 0 18px;
  text-indent: 2em;
}

.visual-box {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}

.visual-box img {
  width: 100%;
}

.grid {
  display: grid;
  gap: 28px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid.five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.scene-card h4,
.product-card h3,
.case-card h3 {
  margin: 0;
  padding: 12px 10px;
  color: #fff;
  text-align: center;
  background: var(--brand);
  font-size: 17px;
  line-height: 1.35;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
}

.metric-card {
  padding: 24px;
  background: #f5faff;
  border: 1px solid var(--line);
}

.metric-card img {
  width: 100%;
  min-height: 230px;
  object-fit: cover;
}

.platform-card {
  padding: 20px;
  text-align: center;
  background: #f3f9ff;
  border: 1px solid var(--line);
}

.platform-card h3 {
  margin: 0 0 8px;
  color: var(--brand);
  font-size: 22px;
}

.platform-card p {
  min-height: 46px;
  margin: 0 0 16px;
  color: var(--muted);
}

.platform-card img {
  width: 100%;
  aspect-ratio: 509 / 245;
  object-fit: cover;
}

.case-card {
  background: #fff;
  border: 0;
}

.case-card img {
  width: 100%;
  aspect-ratio: 570 / 300;
  object-fit: cover;
}

.operation {
  margin-bottom: 54px;
}

.operation-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 0 16px;
}

.operation-title-copy {
  display: flex;
  align-items: baseline;
  min-width: 0;
}

.operation h3 {
  margin: 0;
  color: var(--brand);
  font-size: 28px;
}

.operation-title-copy span {
  margin-left: 12px;
  padding-left: 12px;
  color: #6b7280;
  border-left: 3px solid var(--brand);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.operation-arrows {
  display: flex;
  align-items: center;
  gap: 3px;
  flex: 0 0 auto;
  width: 30px;
  height: 12px;
}

.operation-arrows b {
  display: block;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 7px solid var(--brand);
}

.operation-arrows b:nth-child(2) {
  border-left-color: #5d89d1;
}

.operation-arrows b:nth-child(3) {
  border-left-color: #92a9d4;
}

.operation p {
  margin: 0 0 22px;
}

body[data-page="cases"] .page-hero + .section {
  padding: 74px 0 82px;
}

body[data-page="cases"] .page-hero + .section .container,
body[data-page="cases"] .operation {
  width: min(1200px, calc(100% - 40px));
}

body[data-page="cases"] .page-hero + .section .grid.two {
  gap: 58px 60px;
}

body[data-page="cases"] .case-card h3 {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 10px 18px;
  font-size: 17px;
  font-weight: 600;
}

body[data-page="cases"] .section.band {
  padding: 94px 0 82px;
}

body[data-page="cases"] .section.band .section-title {
  margin-bottom: 0;
}

body[data-page="cases"] .operation {
  margin-right: auto;
  margin-bottom: 64px;
  margin-left: auto;
}

body[data-page="cases"] .operation .grid.two {
  gap: 60px;
}

body[data-page="cases"] .operation .grid.two img {
  width: 100%;
  aspect-ratio: 570 / 390;
  object-fit: cover;
}

@media (max-width: 860px) {
  .page-hero h1,
  .section-title h2 { font-size: 30px; }
  .grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  body[data-page="cases"] .page-hero + .section .grid.two,
  body[data-page="cases"] .operation .grid.two { gap: 34px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1200px); }
  .page-hero h1,
  .section-title h2 { font-size: 24px; }
  .section { padding: 40px 0; }
  .grid.two { grid-template-columns: 1fr; }
  .operation-title { align-items: flex-start; }
  .operation-title-copy { display: block; }
  .operation-title-copy span { display: block; margin: 6px 0 0; padding-left: 0; border-left: 0; white-space: normal; }
}