.bdn-ec-section {
  --bdn-max-width: 1180px;
  --bdn-radius: 18px;
  --bdn-min-height: 820px;
  --bdn-top-space: 0px;
  position: relative;
  width: 100vw;
  max-width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  margin-top: var(--bdn-top-space);
  padding: 42px 18px 54px;
  background: linear-gradient(180deg, #041221 0%, #03101d 100%);
  overflow: hidden;
}

.bdn-ec-shell {
  max-width: var(--bdn-max-width);
  margin: 0 auto;
  border-radius: var(--bdn-radius);
  background: linear-gradient(90deg, rgba(0,18,38,.98) 0%, rgba(0,37,79,.98) 52%, rgba(0,18,38,.98) 100%);
  border: 1px solid rgba(108,142,185,.16);
  box-shadow: 0 18px 55px rgba(0,0,0,.18);
}

.bdn-ec-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 30px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.bdn-ec-kicker {
  font-size: 28px;
  line-height: 1;
}

.bdn-ec-title {
  margin: 0;
  color: #f5f7fb;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -.02em;
}

.bdn-ec-subtitle {
  margin: 8px 0 0;
  color: rgba(223,233,248,.8);
  font-size: 15px;
}

.bdn-ec-body {
  min-height: var(--bdn-min-height);
  padding: 18px;
}

.bdn-ec-widget-wrap {
  min-height: calc(var(--bdn-min-height) - 36px);
  border-radius: calc(var(--bdn-radius) - 6px);
  overflow: hidden;
  background: rgba(3, 13, 23, .35);
}

.bdn-ec-widget-wrap iframe,
.bdn-ec-widget-wrap > div,
.bdn-ec-widget-wrap script + div {
  width: 100% !important;
  max-width: 100% !important;
}

.bdn-ec-empty {
  min-height: calc(var(--bdn-min-height) - 36px);
  border-radius: calc(var(--bdn-radius) - 6px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 26px;
  background: rgba(8, 22, 39, .7);
  color: #d5e0ef;
}

.bdn-ec-empty h3 {
  color: #fff;
  margin: 0 0 10px;
  font-size: 24px;
}

.bdn-ec-empty p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
}

@media (max-width: 849px) {
  .bdn-ec-section {
    padding: 22px 12px 30px;
  }

  .bdn-ec-shell {
    border-radius: 12px;
  }

  .bdn-ec-header {
    padding: 16px 16px 14px;
    gap: 10px;
  }

  .bdn-ec-kicker {
    font-size: 22px;
  }

  .bdn-ec-title {
    font-size: clamp(24px, 7vw, 32px);
  }

  .bdn-ec-subtitle {
    font-size: 14px;
  }

  .bdn-ec-body {
    padding: 12px;
    min-height: 620px;
  }

  .bdn-ec-widget-wrap,
  .bdn-ec-empty {
    min-height: 608px;
    border-radius: 8px;
  }

  .bdn-ec-empty {
    padding: 18px;
  }

  .bdn-ec-empty h3 {
    font-size: 20px;
  }

  .bdn-ec-empty p {
    font-size: 15px;
  }
}