/* BMS 平台介绍 — 左文右图双栏 */

section.bms-platform {
  position: relative;
  padding: var(--space-section) 0;
  background: var(--color-surface-muted);
  overflow: hidden;
  border-radius: 0;
}

.bms-platform__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image:
    linear-gradient(rgba(0, 147, 216, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 147, 216, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.bms-platform__pattern::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cpath d='M10 60h20M90 60h20M60 10v20M60 90v20M30 30l14 14M76 76l14 14M30 90l14-14M76 44l14-14' stroke='%230093D8' stroke-width='0.6' fill='none' opacity='0.1'/%3E%3C/svg%3E") repeat;
}

.bms-platform .container {
  position: relative;
  z-index: 1;
}

.bms-platform__title {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--color-text-strong);
  margin-bottom: 2.5rem;
  text-align: left;
}

#bms .bms-platform__card .ui-card-content,
#bms .bms-platform__card .ui-card-header {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

#bms .bms-platform__card .bms-platform__services {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding-top: 0;
  padding-bottom: 1.5rem;
}

#bms .bms-platform__visuals.ui-card {
  padding: 1rem;
  gap: 0.75rem;
  display: flex;
  flex-direction: column;
}

#bms .bms-diagram.ui-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

#bms .bms-platform__visuals {
  overflow: hidden;
}

#bms .bms-diagram {
  margin: 0;
}

#bms .bms-diagram__media {
  overflow: hidden;
}

#bms .bms-diagram__img {
  background: transparent;
}

/* Blur Fade 入场 */
.bms-platform .blur-fade-in {
  opacity: 1;
  filter: none;
  transform: none;
}

.bms-platform.is-animated .blur-fade-in {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(20px);
  transition:
    opacity 0.75s cubic-bezier(0.19, 1, 0.22, 1),
    filter 0.75s cubic-bezier(0.19, 1, 0.22, 1),
    transform 0.75s cubic-bezier(0.19, 1, 0.22, 1);
  transition-delay: calc(var(--stagger, 0) * 0.1s);
}

.bms-platform.is-animated .blur-fade-in.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .bms-platform .blur-fade-in,
  .bms-platform.is-animated .blur-fade-in {
    opacity: 1;
    filter: none;
    transform: none;
    transition: none;
  }
}