* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
  background-color: #000;
  color: #fff;
  line-height: 1.5;
}

img {
  max-width: 100%;
  display: block;
}

ul, li {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

body {
  background-color: #0B0F18;
  background-image: url("../images/common/bg-main.png");
  background-size: 100% auto;
  background-repeat: no-repeat;
  background-attachment: scroll;
}

.hero-section {
  position: relative;
  height: 100vh;
  min-height: 800px;
  background-image: url("../images/uav/bg_banner.png");
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}
.hero-section__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  transform: translateY(-80px); /* 文本整体上移，改这个值即可调整高度 */
}
.hero-section__title {
  font-size: 82px;
  font-weight: 400;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  color: #FFFFFF;
  margin-bottom: 0;
  line-height: 107px;
  letter-spacing: 0;
  width: 1140px;
  white-space: nowrap;
}
.hero-section__title .highlight {
  font-weight: 700;
}
.hero-section__desc {
  margin-top: 20px;
  width: 1072px;
  font-size: 28px;
  font-weight: 400;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  line-height: 80px;
  color: #FFFFFF;
  white-space: nowrap;
}
.hero-section__desc p {
  margin-bottom: 0;
}

.system-overview {
  padding: 80px 0;
}
.system-overview__title {
  font-size: 42px;
  color: #FFFFFF;
  margin-bottom: 27px;
  position: relative;
  font-weight: bold; 
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  text-align: left;
  padding-top: 29px;
}
.system-overview__title::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 108px;
  height: 2px;
  background-color: #2f6fff;
}
.system-overview__desc {
  font-size: 18px;
  color: #FFFFFF;
  line-height: 24px;
  text-align: left;
  margin-bottom: 60px;
}
.system-overview__image {
  max-width: 100%;
  height: auto;
}

.features-section {
  padding: 80px 0;
}
.features-section__title {
  font-size: 42px;
  color: #FFFFFF;
  margin-bottom: 27px;
  position: relative;
  font-weight: bold;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  text-align: left;
  padding-top: 29px;
}
.features-section__title::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 108px;
  height: 2px;
  background-color: #2f6fff;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 100px;
}
.feature-item:last-child {
  margin-bottom: 0;
}
.feature-item:nth-of-type(even) {
  flex-direction: row-reverse;
}
.feature-item__image-wrapper {
  width: 870px;
  height: 490px;
  flex-shrink: 0;
}
.feature-item__image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 0;
  box-shadow: none;
  border: none;
}
.feature-item__content {
  width: 520px;
  flex-shrink: 0;
  padding-top: 20px;
}
.feature-item__title {
  font-size: 30px;
  color: #ffffff;
  line-height: 40px;
  margin-bottom: 30px;
  font-weight: bold;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  padding-left: 0;
}
.feature-item__title::before {
  display: none;
}
.feature-item__sub-title {
  display: flex;
  align-items: center;
  font-size: 20px;
  color: #ffffff;
  line-height: 26px;
  margin-bottom: 18px;
  margin-top: 40px;
  font-weight: 400;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
}
.feature-item__sub-title:first-of-type {
  margin-top: 0;
}
.feature-item__sub-title::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  background-color: #2f6fff;
  margin-right: 10px;
  flex-shrink: 0;
}
.feature-item__desc {
  width: 490px;
  font-size: 14px;
  color: #b9babb;
  line-height: 24px;
  margin-left: 24px;
  margin-bottom: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", SimHei, Arial, Helvetica, sans-serif;
}

.backend-section {
  padding: 80px 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.backend-section__title {
  font-size: 42px;
  color: #FFFFFF;
  margin-bottom: 27px;
  position: relative;
  font-weight: bold;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  text-align: left;
  padding-top: 29px;
}
.backend-section__title::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 108px;
  height: 2px;
  background-color: #2f6fff;
}
.backend-section__desc {
  font-size: 18px;
  color: #FFFFFF;
  line-height: 24px;
  text-align: left;
  margin-bottom: 60px;
}
.backend-section__diagram {
  max-width: 100%;
  height: auto;
  align-self: center;
  margin-bottom: 40px;
}
.backend-section .backend-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  width: 100%;
}
.backend-section .backend-card {
  display: flex;
  flex-direction: column;
  padding: 22px 38px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 194px;
  border-radius: 4px;
  width: 688px;
  height: 198px;
}
.backend-section .backend-card--1 {
  background-image: url("../images/uav/img_12.png");
}
.backend-section .backend-card--2 {
  background-image: url("../images/uav/img_13.png");
}
.backend-section .backend-card--3 {
  background-image: url("../images/uav/img_14.png");
}
.backend-section .backend-card--4 {
  background-image: url("../images/uav/img_15.png");
}
.backend-section .backend-card__title {
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
  line-height: 31px;
  margin-bottom: 14px;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
}
.backend-section .backend-card__desc {
  font-size: 16px;
  color: #b9babb;
  line-height: 30px;
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", SimHei, Arial, Helvetica, sans-serif;
}

.hardware-section {
  padding: 80px 0;
}
.hardware-section__title {
  font-size: 42px;
  color: #FFFFFF;
  margin-bottom: 27px;
  position: relative;
  font-weight: bold;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  text-align: left;
  padding-top: 29px;
}
.hardware-section__title::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 108px;
  height: 2px;
  background-color: #2f6fff;
}
.hardware-section__title {
  width: 100%;
  margin-bottom: 60px;
}

.env-section {
  padding: 80px 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-bottom: 0;
}
.env-section__title {
  font-size: 42px;
  color: #FFFFFF;
  margin-bottom: 27px;
  position: relative;
  font-weight: bold;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  text-align: left;
  padding-top: 29px;
}
.env-section__title::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 108px;
  height: 2px;
  background-color: #2f6fff;
}
.env-section__desc {
  font-size: 18px;
  color: #FFFFFF;
  line-height: 24px;
  text-align: left;
  margin-bottom: 60px;
}
.env-section__logos {
  width: 100%;
  max-width: 1470px;
  align-self: center;
}
.env-section__logos img {
  width: 100%;
  height: auto;
}

/* Fix footer layout on UAV page */
footer .w1440 {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Fix footer copyright icons display */
footer .copy img {
  display: inline-block;
  vertical-align: middle;
  margin: 0 3px;
}

/*# sourceMappingURL=uav.css.map */