.nav-links .is-active {
  color: var(--primary);
}

.nav-links .is-active::after {
  transform: scaleX(1);
}

.os-hero {
  position: relative;
  overflow: hidden;
  padding: 84px 0 72px;
  background: radial-gradient(circle at 10% 20%, rgba(22, 119, 255, 0.1), transparent 45%), #fff;
}

.os-hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 46px;
  align-items: center;
}

.os-hero-tag {
  margin: 0 0 6px;
  color: #1f2937;
  font-size: clamp(32px, 3.8vw, 54px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.os-hero h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: 0.01em;
  background: linear-gradient(90deg, #1d4fff 0%, #7d62c8 52%, #f28a16 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.os-hero h1 span {
  color: inherit;
}

.os-hero-subtitle {
  margin: 16px 0 0;
  color: var(--text-muted);
  max-width: 640px;
}

.os-hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 30px;
}

.os-btn-ghost {
  color: var(--primary);
  background: #fff;
  border: 1px solid rgba(22, 119, 255, 0.3);
}

.os-hero-media img {
  width: 100%;
  border-radius: 18px;
  box-shadow: var(--shadow-hover);
}

.os-blur {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.6;
}

.os-blur-a {
  width: 280px;
  height: 280px;
  right: -50px;
  top: -80px;
  background: rgba(22, 119, 255, 0.35);
}

.os-blur-b {
  width: 220px;
  height: 220px;
  left: -60px;
  bottom: -110px;
  background: rgba(255, 125, 0, 0.3);
}

.os-card-3 {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.os-info-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.os-info-card {
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-soft);
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid #edf0f5;
}

.os-info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.os-info-card h3 {
  margin: 12px 0 10px;
  font-size: 19px;
  line-height: 1.4;
  color: #1f2937;
}

.os-info-card p {
  margin: 0;
  color: #4b5563;
}

.os-info-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 16px;
}

.os-info-card-desc {
  font-size: 15px;
  line-height: 1.6;
  padding-bottom: 14px;
  border-bottom: 1px solid #e9edf3;
}

.os-info-card-solution {
  margin-top: 14px !important;
  font-size: 15px;
  line-height: 1.6;
  color: #255fda !important;
  gap: 8px;
}

.os-info-card-solution .osm-icon {
  color: #255fda;
  font-size: 16px;
  line-height: 1.6;
  margin-top: 4px;
  margin-right: 6px;
}

.os-info-bg-red {
  color: #d64646;
  background: #fbe9e9;
}

.os-info-bg-orange {
  color: #d27b1c;
  background: #fdf1dd;
}

.os-info-bg-blue {
  color: #2f7ae5;
  background: #e8f1ff;
}

.os-function-list {
  display: grid;
  gap: 42px;
  margin-top: 34px;
}

.os-function-item {
  transition: transform 0.3s ease-in-out;
  display: grid;
  grid-template-columns: 44% 1fr;
  gap: 34px;
  align-items: center;
}

.os-function-item:hover {
  transform: translateY(-10px);
}

.os-function-image {
  width: 100%;
  height: 330px;
  object-fit: cover;
  object-position: center;
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
}

.os-chip {
  display: inline-block;
  margin: 0;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--primary);
  background: rgba(22, 119, 255, 0.1);
}

.os-function-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
}

.os-function-content h3 {
  margin: 12px 0;
  font-size: 24px;
  line-height: 1.35;
}

.os-function-content ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.os-function-content li {
  position: relative;
  padding-left: 18px;
  color: var(--text-muted);
  font-size: 15px;
}

.os-function-content li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #14b86a;
}

.os-scenario-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.os-scenario-card {
  display: flex;
  align-items: center;
  gap: 16px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #eceff4;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.os-scenario-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.os-scenario-card h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.35;
  color: #111827;
}

.os-scenario-card p {
  margin: 8px 0 0;
  color: #4b5563;
  font-size: 14px;
  line-height: 1.7;
}

.os-scenario-icon {
  width: 180px;
  min-width: 180px;
  height: 100%;
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.06);
}

.os-scenario-icon i {
  font-size: 30px;
}

.os-scenario-content {
  padding: 14px 18px 14px 0;
  flex: 1;
}

.bg-green { background: #00b578; }
.bg-blue { background: #2f88ff; }
.bg-purple { background: #7f67ff; }
.bg-orange { background: #ff8a2f; }

.os-case-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.os-case-card {
  transition: transform 0.3s ease-in-out;
  background: #fff;
  border-radius: 10px;
  padding: 18px 16px 16px;
  box-shadow: 0 2px 14px rgba(15, 23, 42, 0.06);
  text-align: center;
  border: 1px solid #eef1f6;
}

.os-case-card:hover {
  transform: translateY(-10px);
}

.os-case-icon-wrap {
  width: 60px;
  height: 60px;
  margin: 0 auto 12px;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.os-case-icon-wrap i {
  font-size: 24px;
}

.os-case-green {
  color: #1ab35e;
  background: #eaf8f0;
}

.os-case-pink {
  color: #d94db2;
  background: #fceef8;
}

.os-case-blue {
  color: #3f86f8;
  background: #edf4ff;
}

.os-case-gold {
  color: #d79824;
  background: #fff6e7;
}

.os-case-card h3 {
  margin: 0;
  font-size: 18px;
  color: #111827;
}

.os-case-metric {
  margin: 8px 0 10px;
  color: #e39d34;
  font-weight: 600;
  font-size: 14px;
  background-color: #e39d3430;
  border-radius: 20px;
  display: inline-flex;
  padding: 2px 10px;
}

.os-case-quote {
  margin: 0;
  color: #596275;
  font-size: 13px;
  line-height: 1.7;
  text-align: left;
}

.os-steps {
  --os-step-dot-size: 36px;
  --os-step-top-padding: 20px;
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  position: relative;
  isolation: isolate;
}

.os-step {
  transition: transform 0.3s ease-in-out;
  text-align: center;
  padding: 20px 16px;
  position: relative;
  z-index: 1;
}

.os-step:hover {
  transform: translateY(-10px);
}

.os-step span {
  display: inline-grid;
  place-items: center;
  width: var(--os-step-dot-size);
  height: var(--os-step-dot-size);
  border-radius: 50%;
  color: #fff;
  font-weight: 700;
  background: var(--primary);
}

.os-step h3 {
  margin: 10px 0 6px;
}

.os-step p {
  margin: 0;
  color: var(--text-muted);
}

.os-cta {
  margin-top: 14px;
  text-align: center;
}

@media (max-width: 1100px) {
  .os-hero-inner,
  .os-function-item {
    grid-template-columns: 1fr;
  }

  .os-card-3 {
    grid-template-columns: 1fr;
  }

  .os-case-grid,
  .os-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .os-hero {
    padding-top: 62px;
  }

  .os-hero-actions {
    flex-wrap: wrap;
  }

  .os-scenario-grid,
  .os-case-grid,
  .os-steps {
    grid-template-columns: 1fr;
  }

  .os-function-content h3 {
    font-size: 20px;
  }
}