html {
  font-size: 1vw;
}
body {
  margin: 0;
  padding: 0;
  font-family: "Microsoft YaHei", Arial, sans-serif;
}
.system-main {
  width: 100%;
  box-sizing: border-box;
}

/* 更新后的system-hero样式 */
.system-hero {
  position: relative;
  height: 45rem;
}
.system-hero-img {
  position: absolute;
  width: 91rem;
  height: 45rem;
  object-fit: cover;
  left: 9rem;
  background-size: cover;
  background-repeat: no-peat;
  background-position: center;
}
.system-hero-desc {
  position: absolute;
  left: 0rem;
  top: 23rem;
  width: 48rem;
  height: 22rem;
  background: var(--theme-banner);
  color: #fff;
  padding: 0 9rem 0 9rem;
  display: flex;
  flex-direction: column;
  align-items: first baseline;
  justify-content: center;
  box-sizing: border-box;
}
.system-hero-title-big {
  letter-spacing: 0.1rem;
  font-size: 3.5rem;
  font-weight: bold;
  margin-top: -2rem;
}
.system-hero-title {
  margin-top: 3rem;
  font-size: 2.5rem;
  font-weight: 300;
}
.system-hero-text {
  font-size: 1.1rem;
  font-weight: lighter;
  background: var(--theme-color2);
  color: #fff;
  padding: 3rem 9rem;
  width: 100%;
  box-sizing: border-box;
  line-height: 2;
}

/* 保留其他部分的样式 */
.system-devices {
  padding: 2rem 0;
  background: #f2f2f2;
}
.device-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 0;
  margin: 3rem 9rem 1rem 9rem;
}
.device-img {
  width: 100%;
  height: 18.6rem;
  background-size: cover;
  background-position: center;
}
.device-text {
  padding: 2rem 2rem 0rem 2rem;
  display: flex;
  flex-direction: column;
  background: var(--theme-color1);
  color: white;
  text-align: left;
}
.device-title {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  font-weight: normal;
  letter-spacing: 0.1rem;
}
.device-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  font-weight: 400;
}
.device-desc {
    font-size: 0.8rem;
    font-weight: 100;
    line-height: 1.8;
}
.device-features {
  list-style-type: none;
  padding: 0;
  margin: 0;
}
.device-feature {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.2rem;
}
.device-feature:before {
  content: "•";
  position: absolute;
  left: 0;
}
.system-platforms {
  position: relative;
  margin: 2rem 0;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

/*.platform-img {
    width: 100%;
    height: 30rem;
    background-size: cover;
    background-position: center;
}
.platform-text {
  font-weight: bold;
  text-align: center;
  color: var(--theme-color1);
  padding: 1rem 0;
}*/

/* fy */

.platform-row {
  margin: 3rem 0rem 1rem 9rem;
  display: flex;
  gap: 0px;
}

.platform-item {
  position: relative;
  flex: 1;
  height: 29rem;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.platform-item::after {
  content: "";
  position: absolute;
  inset: 0;
  /* 白色透明度，营造浅灰效果 */
  /* background: rgba(242, 242, 242, 0.7); */
}

.platform-text {
    position: absolute;
    bottom: 0;
    left: 0;
    text-align: center;
    color: #fff;
    font-size: 2rem;
    font-weight: lighter;
    width: 100%;
    line-height: 1.5;
    z-index: 1;
}

/* fy */