.demo-page {
  background: #f4f7fb;
  color: #050c3e;
  overflow-x: hidden;
}

.demo-shell {
  padding-top: 0;
}

.demo-container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.demo-hero {
  min-height: clamp(560px, 78vh, 760px);
  display: flex;
  align-items: center;
  background:
    linear-gradient(120deg, rgba(1, 10, 22, 0.96), rgba(11, 40, 116, 0.86)),
    url('../images/solution/bg.png') center / cover no-repeat;
}

.demo-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, 0.72fr);
  gap: clamp(36px, 6vw, 86px);
  align-items: center;
  padding: clamp(60px, 8vw, 108px) 0;
}

.demo-kicker {
  display: inline-block;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.58);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.demo-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: var(--fs-72);
  line-height: 1.08;
  font-weight: 500;
  color: #fff;
}

.demo-hero p {
  max-width: 680px;
  margin: 26px 0 0;
  font-size: var(--fs-20);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.72);
}

.demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.demo-actions a,
.demo-cases a {
  text-decoration: none;
}

.demo-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 4px;
  color: #fff;
  background: #125bce;
  transition: transform 0.2s ease, background 0.2s ease;
}

.demo-actions a + a {
  color: rgba(255, 255, 255, 0.84);
  background: rgba(255, 255, 255, 0.12);
}

.demo-actions a:hover {
  transform: translateY(-2px);
  background: #1849a0;
}

.demo-hero__panel {
  display: grid;
  gap: 14px;
}

.demo-hero__panel div {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
}

.demo-hero__panel span {
  display: block;
  color: #6db4ff;
  font-size: var(--fs-14);
  margin-bottom: 10px;
}

.demo-hero__panel strong {
  display: block;
  color: #fff;
  font-size: var(--fs-20);
  font-weight: 500;
}

.demo-hero__panel p {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
}

.demo-section {
  padding: clamp(64px, 8vw, 110px) 0;
}

.demo-section--soft {
  background: #fff;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(34px, 6vw, 72px);
}

.demo-grid h2 {
  margin: 0;
  font-size: var(--fs-48);
  line-height: 1.18;
  font-weight: 500;
}

.demo-grid article p {
  margin: 22px 0 0;
  color: rgba(5, 12, 62, 0.66);
  font-size: var(--fs-16);
  line-height: 1.9;
}

.demo-cases {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.demo-cases a {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid rgba(5, 12, 62, 0.08);
  color: #050c3e;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.demo-cases a:hover {
  transform: translateY(-3px);
  border-color: rgba(18, 91, 206, 0.38);
}

.demo-cases span {
  color: #125bce;
  font-size: var(--fs-14);
}

.demo-cases strong {
  font-size: var(--fs-20);
  line-height: 1.45;
  font-weight: 500;
}

.demo-timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.demo-step {
  padding: 26px;
  border-radius: 8px;
  background: #f5f7fb;
}

.demo-step span {
  display: block;
  color: #0b2874;
  font-size: var(--fs-20);
  margin-bottom: 14px;
}

.demo-step p {
  margin: 0;
  color: rgba(5, 12, 62, 0.66);
  font-size: var(--fs-15);
  line-height: 1.8;
}

@media (max-width: 980px) {
  .demo-hero__inner,
  .demo-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 680px) {
  .demo-container {
    width: min(100% - 32px, 1200px);
  }

  .demo-hero {
    min-height: auto;
  }

  .demo-hero__panel,
  .demo-cases,
  .demo-timeline {
    grid-template-columns: 1fr;
  }
}