.brand-circle-transition {
  position: relative;
  margin-top: -100px;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 240px 50px 40px 50px;
  gap: 24px;
  overflow: hidden;
  --rotation: 0deg;
}

.brand-circle-transition::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  width: 1200px;
  height: 1200px;
  background: url('../图片/半圆/半圆.png') center center/contain no-repeat;
  transform: translateX(-50%) rotate(var(--rotation));
  transform-origin: center 600px;
  z-index: 0;
}

.brand-circle-transition .title-deco-left,
.brand-circle-transition .title-deco-right {
  position: relative;
  z-index: 1;
  height: 100px;
  width: auto;
  align-self: center;
  margin-bottom: 0;
}

.brand-circle-transition h2 {
  position: relative;
  z-index: 1;
  font-size: 40px;
  font-weight: 800;
  color: #8B4513;
  letter-spacing: 6px;
  text-shadow: 0 4px 10px rgba(0, 0, 0, 0.8);
  margin: 0;
}

.brand-circle-transition h2::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 2px;
  background: linear-gradient(to right, rgba(139,69,19,0), rgba(139,69,19,0.8), rgba(139,69,19,0));
}

@media (max-width: 768px) {
  .brand-circle-transition {
    padding: 220px 20px 30px 20px;
    min-height: 360px;
  }

  .brand-circle-transition::before {
    width: 900px;
    height: 900px;
    transform-origin: center 450px;
  }

  .brand-circle-transition h2 {
    font-size: 28px;
    letter-spacing: 4px;
  }

  .brand-circle-transition .title-deco-left,
  .brand-circle-transition .title-deco-right {
    height: 70px;
  }
}