@import url("./root.css");
html {
  font-size: 1vw;
  overflow-x: hidden;
}
body {
  font-family: "Microsoft YaHei", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f2f2f2;
}

/* Banner区样式 */
.tech-hero {
  position: relative;
  height: 41rem;
}
.tech-hero-img {
  position: absolute;
  width: 91rem;
  height: 41rem;
  object-fit: cover;
  left: 9rem;
  background-size: cover;
  background-position: center;
}
.tech-hero-desc {
  position: absolute;
  top: 23rem;
  width: 55rem;
  height: 20rem;
  background: var(--theme-banner);
  color: #fff;
  flex-direction: column; /* 改为垂直排列 */
  align-items: flex-start; /* 所有子元素左对齐 */
  padding: 2rem 10rem 2rem 6.875rem;
  display: flex;

  box-sizing: border-box;
}
.tech-hero-title {
  margin-left: 2rem;
  margin-top: 2rem;
  font-size: 4rem;
  font-weight: 700;
}
.tech-hero-detail {
  margin-left: 2rem;
  margin-top: 2rem;
  width: 50rem;
  font-size: 2.5rem;
  font-weight: 300;
  line-height: 2;
}
.tech-hero-text {
  font-size: 1rem;
  font-weight: 300;
  background: var(--theme-color2);
  color: #fff;
  padding: 4.5rem 9rem 2.5rem 9rem;
  width: 100%;
  box-sizing: border-box;
  line-height: 2;
  text-align: justify;
}

/* 内容区样式 */
.content-container {
  position: relative;
  margin: 3rem 0 0rem 0;
}

.content-section {
  position: relative;
  height: 40rem;
  margin-bottom: 5rem;
}

.section-title {
  position: absolute;
  padding: 2rem;
  font-size: 2.2rem;
  font-weight: 500;
  color: #333;
  z-index: 2;
}

.section-subtitle {
  position: absolute;
  padding: 2rem;
  font-size: 1.8rem;
  font-weight: 400;
  color: #666;
  z-index: 2;
}

.section-text {
  position: absolute;
  padding: 2rem;
  font-size: 1rem;
  line-height: 2;
  font-weight: 100;
  color: #333;
  z-index: 2;
}

.section-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.section-img {
  position: absolute;
  width: 30rem;
  height: 20rem;
  background-size: cover;
  background-position: center;
  z-index: 2;
}