.sthz-main {
  background: url("../img/sthz_bg.png") no-repeat center center;
  background-size: cover;
}

.sthz-main .page-wrap {
  padding: 46px 80px 0 323px;
}

/* 横幅缩放 92%，圆角10px，不用 overflow:hidden */
.sthz-banner {
  position: relative;
  width: 1172px;
  height: 309px;
  border-radius: 10px;
  flex-shrink: 0;
}

.sthz-banner-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 10px 10px 0 0;
}

/* 文案外层：渐变底，底部圆角 */
.sthz-desc-box {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 150px;
  border-radius: 0 0 10px 10px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, #0A050B 67.29%);
  box-sizing: border-box;
}

/* 文案 */
.sthz-desc {
  width: 1060px;
  margin: 0;
  padding: 72px 0 0 56px;
  font-size: 13px;
  font-weight: 400;
  line-height: 22px;
}

/* 合作伙伴：1200×236 缩放 92% */
.sthz-partners {
  width: 1104px;
  height: 217px;
  margin-top: 34px;
  margin-left: 37px;
  flex-shrink: 0;
}

.sthz-partners img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.sthz-partners .sthz-h5-only {
  display: none;
}

.sthz-h5-only {
  display: none;
}

@media (max-width: 1400px) {
  .sthz-main .page-wrap {
    padding-left: 40px;
    padding-right: 40px;
  }

  .sthz-banner {
    width: 100%;
    max-width: 1172px;
    height: auto;
    aspect-ratio: 1274 / 336;
  }

  .sthz-desc-box {
    width: 100%;
    height: 48%;
  }

  .sthz-desc {
    width: auto;
    padding: 20px 20px 0;
  }

  .sthz-partners {
    width: 100%;
    max-width: 1104px;
    height: auto;
    margin-left: 0;
  }

  .sthz-partners img {
    height: auto;
  }
}