.site-a-announce {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2147483000;
  display: block;
  box-sizing: border-box;
}
.site-a-announce *,
.site-a-announce *::before,
.site-a-announce *::after {
  box-sizing: border-box;
}
.site-a-announce__backdrop {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  background: rgba(15, 23, 42, 0.55);
  cursor: pointer;
}
.site-a-announce__panel {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  width: calc(100% - 40px);
  max-width: 420px;
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 28px 24px 22px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid #c5d9ea;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.22);
  color: #1e293b;
  text-align: left;
  z-index: 2;
  pointer-events: auto;
}
.site-a-announce__btn,
.site-a-announce__close {
  pointer-events: auto;
  position: relative;
  z-index: 3;
  -webkit-appearance: none;
  appearance: none;
  touch-action: manipulation;
}
.site-a-announce__close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: #64748b;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}
.site-a-announce__badge {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  border-radius: 4px;
  background: #1d4ed8;
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.site-a-announce__title {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.25;
  color: #1e3a8a;
}
.site-a-announce__sub {
  margin: 0 0 12px;
  font-size: 15px;
  color: #334155;
  line-height: 1.45;
}
.site-a-announce__platforms {
  margin: 0 0 16px;
  font-size: 13px;
  color: #475569;
}
.site-a-announce__steps {
  margin: 0 0 20px;
  padding: 0 0 0 1.2em;
  font-size: 14px;
  line-height: 1.7;
  color: #1e293b;
}
.site-a-announce__steps li + li {
  margin-top: 4px;
}
.site-a-announce__btn {
  display: block;
  width: 100%;
  height: 42px;
  border: 0;
  border-radius: 8px;
  background: #1d4ed8;
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}
.site-a-announce__btn:hover {
  background: #1e40af;
}
@media (max-width: 480px) {
  .site-a-announce__title {
    font-size: 22px;
  }
  .site-a-announce__panel {
    padding: 24px 18px 18px;
  }
}