@import url("./root.css");
html {
  font-size: 1vw;
}
body {
  font-family: "Microsoft YaHei", Arial, sans-serif;
  color: #222;
  margin: 0;
}
.tech2-banner {
  display: flex;
  align-items: center;
  padding: 3rem 0 2rem 0;
}
.tech2-banner-img {
  flex: 1;
  min-width: 20rem;
  text-align: center;
}
.tech2-banner-img img {
  width: 80%;
  height: auto;
}
.tech2-banner-title {
  flex: 2;
  background: var(--theme-color1);
  color: #fff;
  padding: 2rem;
  margin-left: -8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.tech2-banner-title h1 {
  font-size: 1.6em;
  font-weight: bold;
  margin: 0 0 1rem 0;
}
.tech2-banner-title p {
  font-size: 1.1em;
  margin: 0;
}
.tech2-intro {
  background: var(--theme-color2);
  color: #fff;
  padding: 2rem 1.5rem;
  font-size: 1.1em;
  margin-bottom: 2rem;
  text-align: center;
}
.tech2-section {
  position: relative;
  margin: 6rem 0;
  padding: 0;
  height: 40rem;
}

.tech2-section-title-bg {
  position: absolute;
  top: 10rem;
  left: 0rem;
  width: 93rem;
  height: 32rem;
  background: var(--theme-color1);
  z-index: 1;
}

.tech2-section-title {
  position: absolute;
  top: 4rem;
  left: 9rem;
  width: 60rem;
  color: var(--theme-color1);
  font-size: 2.4rem;
  font-weight: 400;
  z-index: 2;
  margin: 0rem 0rem 1rem 0rem;
}

.tech2-section-text1,
.tech2-section-text2,
.tech2-section-text3 {
  position: absolute;
  left: 1.875rem;
  /*width: 16rem;*/
  color: #fff;
  margin: 0;
  z-index: 2;
}

.tech2-section-text1 {
  top: 14rem;
  left: 9rem;
  width: 60rem;
  font-size: 1rem;
  font-weight: 300;
}

.tech2-section-text2 {
  font-weight: 300;
  font-size: 0.8rem;
  line-height: 1.5;
  width: 30rem;
  top: 34rem;
  left: 9rem;
}

.tech2-section-text3 {
  font-weight: 300;
  font-size: 0.8rem;
  line-height: 1.5;
  width: 16rem;
  top: 34rem;
  left: 42rem;
}

.tech2-section-img1,
.tech2-section-img2,
.tech2-section-img3,
.tech2-section-img4 {
  position: absolute;
  width: 12.5rem; /* 200px / 16 */
  height: 9.375rem; /* 150px / 16 */
  background-size: cover;
  background-position: center;
  z-index: 1;
}

.tech2-section-img1 {
  top: 18rem;
  left: 42rem;
  height: 15rem;
  width: 15.6rem;
}

.tech2-section-img2 {
  left: 8.9rem;
  top: 18rem;
  height: 15rem;
  width: 32rem;
}

.tech2-section-img3 {
  top: -1rem;
  right: 7rem;
  height: 20rem;
  width: 30rem;
}

.tech2-section-img4 {
  top: 20rem;
  right: 7rem;
  height: 20rem;
  width: 30rem;
}

.tech2-section-blue {
  background: var(--theme-color1);
  color: #fff;
}
.tech2-section-gray {
  background: var(--theme-color2);
  color: #fff;
}
.tech2-section-title h2 {
  font-size: 1.3em;
  margin-bottom: 0.75rem;
}
.tech2-section-title p {
  font-size: 1em;
  margin: 0;
}
.tech2-section-imgs {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-bottom: 1rem;
}
.tech2-section-imgs img {
  width: 12rem;
  height: auto;
}
.tech2-section-blocks {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.tech2-block {
  flex: 1;
  min-width: 10rem;
  padding: 1.2rem 1rem;
  font-size: 1em;
  font-weight: bold;
  text-align: center;
  box-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.04);
}
.tech2-block-blue {
  background: var(--theme-color1);

  color: #fff;
}
.tech2-block-gray {
  background: var(--theme-color2);

  color: #fff;
}

/* 5个文字模块样式 */
.tech2-text-block1,
.tech2-text-block2,
.tech2-text-block3,
.tech2-text-block4,
.tech2-text-block5 {
  position: absolute;
  display: flex;
  width: 12rem;
  padding: 1rem;
  text-align: center;
  justify-content: center;
  flex-direction: column;
  box-sizing: border-box;
  font-size: 0.8rem;
  font-weight: 100;
  line-height: 1.5;
}

/* 7个图片样式 */
.tech2-pde-img1,
.tech2-pde-img2,
.tech2-pde-img3,
.tech2-pde-img4,
.tech2-pde-img5,
.tech2-pde-img6,
.tech2-pde-img7 {
  position: absolute;
  width: 20rem;
  height: 18rem;
  background-size: cover;
  background-position: center;
}

/* 规格表样式 */
.tech2-specs {
  position: absolute;
  top: 53rem;
  right: 0rem;
  width: 36rem;
  height: 18rem;
  font-size: 0.9rem;
  background: var(--theme-color1);
  color: #fff;
  display: grid;
  padding: 1rem 0rem 0rem 6rem;
  box-sizing: border-box;
}
.spec-header {
  display: flex;
  border-bottom: 0.3px solid rgba(255, 255, 255, 0.1);
}
.spec-title {
  flex: 1;
  text-align: left;
  padding-right: 1rem;
  font-weight: bold;
  border-right: 0.3px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}
.spec-row {
  display: flex;
  border-bottom: 0.3px solid rgba(255, 255, 255, 0.1);
}
.spec-name {
  flex: 1;
  text-align: left;
  padding-right: 1rem;
  font-weight: bold;
}
.spec-value {
  flex: 1;
  text-align: left;
  border-right: 0.3px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  line-height: 2.5;
}

* {
  border-radius: 0 !important;
}

/* 顶部大图与标语 */
.tech-hero {
  position: relative;
  height: 41rem;
}
.tech-hero-img {
  position: absolute;
  width: 90rem;
  height: 45rem;
  object-fit: cover;
  left: 0rem;
  background-size: cover;
  background-position: center;
}
.tech-hero-desc {
  position: absolute;
  right: 0rem;
  top: 25rem;
  width: 53rem;
  height: 22rem;
  background: var(--theme-banner);
  color: #fff;
  padding: 2rem 7.5rem 2rem 3rem;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
  box-sizing: border-box;
}
.tech-hero-title {
  margin-left: 0rem;
  margin-top: 0rem;
  font-size: 4rem;
  font-weight: 700;
  line-height: 2;
}
.tech-hero-detail {
  letter-spacing: 0.1rem;
  font-size: 2.5rem;
  font-weight: 300;
  line-height: 1.5;
  margin-top: 1rem;
  margin-left: 0rem;
}

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

* {
  border-radius: 0 !important;
}

.tech2-citation {
  position: absolute;
  top: 42.5rem;
  left: 9rem;
  width: 80rem;
  color: #000;
  font-size: 0.7rem;
  line-height: 1.5;
  z-index: 2;
}

.tech2-citation2 {
  position: absolute;
  top: 54.5rem;
  left: 9rem;
  width: 80rem;
  color: #000;
  font-size: 0.7rem;
  line-height: 1.5;
  z-index: 2;
}

/* tech2-section2 样式 */
.tech2-section2 {
  position: relative;
  margin: 6rem 0;
  padding: 0;
  height: 54rem;
}

.tech2-section2-title-bg {
  position: absolute;
  top: 10rem;
  left: 0rem;
  width: 97rem;
  height: 42rem;
  background: var(--theme-color1);
  z-index: 1;
}

.tech2-section2-title {
  position: absolute;
  top: 2rem;
  right: 0rem;
  width: 90rem;
  height: 15rem;
  color: #fff;
  background: var(--theme-color2);
  font-size: 2.5rem;
  font-weight: 400;
  z-index: 2;
  margin: 0rem 0rem 1rem 0rem;
  padding: 0rem 0rem 0rem 5rem;
  box-sizing: border-box;
}

.tech2-section2-text1,
.tech2-section2-text2,
.tech2-section2-text3 {
  position: absolute;
  left: 1.875rem;
  width: 17.5rem;
  color: #fff;
  margin: 0;
  z-index: 2;
}

.tech2-section2-text1 {
  top: 14rem;
  left: 10rem;
  width: 60rem;
  font-size: 1rem;
  font-weight: 300;
}

.tech2-section2-text2 {
  top: 41rem;
  left: 10rem;
}

.tech2-section2-text3 {
  top: 41rem;
  left: 33rem;
}

.tech2-section2-img1,
.tech2-section2-img2,
.tech2-section2-img3,
.tech2-section2-img4 {
  position: absolute;
  width: 12.5rem;
  height: 9.375rem;
  background-size: cover;
  background-position: center;
  z-index: 1;
}

.tech2-section2-img1 {
  top: 25rem;
  left: 33rem;
  height: 15rem;
  width: 20rem;
}

.tech2-section2-img2 {
  left: 10rem;
  top: 25rem;
  height: 15rem;
  width: 20rem;
}

.tech2-section2-img3 {
  top: -1rem;
  right: 2rem;
  height: 20rem;
  width: 32rem;
}

.tech2-section2-img4 {
  top: 20rem;
  right: 2rem;
  height: 20rem;
  width: 32rem;
}

.tech2-section2-blue {
  background: var(--theme-color1);
  color: #fff;
}

.tech2-section2-gray {
  background: var(--theme-color2);
  color: #fff;
}

.tech2-section2-title h2 {
  font-size: 2.5rem;
  font-weight: 400;
  margin: 3rem 0 1rem 0;
}

.tech2-section2-title p {
  font-size: 1rem;
  margin: 0;
  font-weight: 300;
}

/* MT SiPM区域新样式 */
.tech2-mt {
  position: relative;
  margin: 6rem 0;
  padding: 0;
  height: 38rem;
}

.tech2-mt-bg {
  position: absolute;
  top: 0rem;
  left: 9rem;
  width: 82rem;
  height: 39rem;
  background-color: var(--theme-color1);
  z-index: 0;
}

.tech2-mt-title {
  position: absolute;
  top: 0rem;
  left: 12rem;
  width: 80rem;
  color: white;
  z-index: 2;
  text-align: left;
}

.tech2-mt-title h2 {
  font-size: 2.5rem;
  font-weight: 400;
}

.tech2-mt-desc1 {
  position: absolute;
  color: white;
  z-index: 2;
  font-size: 1rem;
  font-weight: 100;
  line-height: 2;
  width: 77rem;
}

.tech2-mt-desc2 {
  position: absolute;
  color: white;
  z-index: 2;
  font-size: 0.8rem;
  font-weight: 100;
  line-height: 1.5;
  width: 80rem;
  margin-left: -2rem;
}
.tech2-mt-desc1 {
  top: 8rem;
  left: 12rem;
}

.tech2-mt-desc2 {
  top: 25rem;
  left: 14rem;
}

.tech2-mt-imgs {
  position: absolute;
  top: 18rem;
  left: 33rem;
  width: 240rem;
  height: 18rem;
  display: flex;
  z-index: 2;
}

.tech2-mt-imgs img {
  width: 25%;
  height: auto;
  object-fit: cover;
}

/* 极限场景应用卡片样式 */
.tech2-scene-container {
  position: relative;
  display: flex;
  flex-direction: row;
}

.tech2-scene-title {
  position: absolute;
  top: 4rem;
  left: 60rem;
  width: 60rem;
  color: var(--theme-color1);
  font-size: 2.5rem;
  font-weight: 400;
  z-index: 2;
  margin: 0rem 0rem 1rem 0rem;
}

/* 光学应用平台文本框样式 */
.tech2-platform-text-box {
    position: absolute;
    background: var(--theme-color1);
    color: white;
    padding: 2rem;
    box-sizing: border-box;
    width: 22rem;
    height: 22rem;
    display: flex;
    justify-content: center;
}

.tech2-platform-text-box h2 {
  font-size: 1.8rem;
  margin: 0 0 5rem 0;
  font-weight: 400;
}

.tech2-platform-text-box p {
  font-size: 1rem;
  margin: 0.5rem 0;
  line-height: 2;
  font-weight: 100;
}

.tech2-platform-text-box p.tech2-platform-img-desc {
  position: absolute;
  color: #fff;
  margin-top: 19rem;
}

.tech2-platform-text-box-gray {
  position: absolute;
  color: #fff;
  background: var(--theme-color2);
  align-items: stretch;
  margin-top: 5rem;
  height: 50rem;
}

.tech2-scene-img-card {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

.tech2-scene-text-card {
  position: absolute;
  background: var(--theme-color1);
  color: #fff;
  font-size: 1.5rem;
  text-align: center;
  padding: 3rem;
  box-sizing: border-box;
}

.tech2-scene-text-card h2 {
  font-size: 2rem;
  margin: 0 0 1.5rem 0;
  text-align: left;
  font-weight: 400;
  line-height: 1.5;
}
.tech2-scene-text-card h3 {
  font-size: 2rem;
  width: 20rem;
  margin: 5rem 0 1.5rem -1rem;
  text-align: left;
  font-weight: 400;
  line-height: 1.5;
}
.tech2-scene-text-card p {
  font-size: 1rem;
  text-align: left;
  line-height: 2;
}

.tech2-summary-section {
  position: relative;
  margin: 6rem 0;
  padding: 0;
  height: 50rem;
}