@media (max-width: 768px) {

/* ===== 页面Banner ===== */

.page-banner {

  width: 100%;

  height: 35vw;

  overflow: hidden;

  margin-top: var(--header-height-mobile);
}



.page-banner img {

  width: 100%;

  height: 100%;

  object-fit: cover;

}



/* ===== 关于我们 ===== */

.about-section {

  padding: 20px 0;

  background-color: #fff;

}



.about-content {

  max-width: 100%;

  margin: 0 0 25px;

  font-size: 14px;

  color: var(--text-dark);

  line-height: 2;

}



.about-content p {

  margin-bottom: 15px;

  text-indent: 2em;

}



.about-showcase {

  position: relative;

  max-width: 100%;

  margin: 0;

  border-radius: 10px;

  overflow: hidden;

}



.about-showcase img {

  width: 100%;

  display: block;

}



.showcase-text {

  position: absolute;

  bottom: 20px;

  left: 20px;

  color: #fff;

  z-index: 2;

}



.showcase-text h3 {

  font-size: 22px;

  font-weight: 600;

  line-height: 1.3;

  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);

  margin-bottom: 10px;

}



.showcase-text p {

  font-size: 14px;

  letter-spacing: 2px;

  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);

}

}