body {
  background-color: #355070;
  margin: 0;
  font-family: 'Roboto Flex', sans-serif;
  color: #ffffff;
}

.header {
  height: 0.7rem;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  /* top: 0.36rem; */
  top: 0;
  left: 0;
  z-index: 99999;
  background-color: #6d597a;
  backdrop-filter: blur(0.6rem);
  color: #ffffff;
}

.header-left {
  margin-left: 0.38rem;
  font-size: 0.24rem;
  font-weight: bold;
}

.header-left-logo {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.header-left-logo_img {
  width: 0.3rem;
  height: 0.3rem;
  margin-right: 0.1rem;
}

.header-left-logo_img img {
  width: 0.3rem;
  height: 0.3rem;
}

.header-right {
  font-size: 0.16rem;
  display: flex;
  align-items: center;
  margin-right: 0.76rem;
}

.header-right > div {
  cursor: pointer;
}

#nav-service {
  margin-left: 0.36rem;
}

#nav-approach {
  margin-left: 0.36rem;
}

#nav-about {
  margin-left: 0.36rem;
}

#nav-contact {
  margin-left: 0.36rem;
}

#nav-contact a {
  color: #ffffff;
  text-decoration: none;
}

/* ---- section1 ----- */
.section1 {
  padding-top: 1rem;
  width: 10.08rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-transform: uppercase;
  font-weight: bold;
  text-align: left;
  font-size: 0.5rem;
}

#about {
  font-size: 0.32rem;
  font-weight: bold;
  width: 10.08rem;
  margin: 0 auto;
  margin-top: 1rem;
  color: #ffffff;
  padding: 0.4rem 0;
}

/* ----- section2 ----- */
.section2 {
  height: 6rem;
  width: 10.08rem;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  position: relative;
}

.section2-img img {
  width: 100%;
  height: auto;
}

.section2-desc {
  font-size: 0.4rem;
  color: #ffffff;
  text-shadow: #355070 1px 0 20px;
  width: 8rem;
  position: absolute;
  z-index: 10;
  top: 1rem;
  left: 1.04rem;
}

#approach {
  font-size: 0.32rem;
  font-weight: bold;
  color: #ffffff;
  width: 10.08rem;
  padding: 0.4rem 0;
  margin: 0 auto;
  margin-top: 1rem;
}

/* ---- section3 ----- */
.section3 {
  width: 10.08rem;
  margin: 0 auto;
  font-size: 0.32rem;
}

/* ---- section4 ------- */
.section4 {
  width: 10.08rem;
  margin: 0 auto;
  margin-top: 0.5rem;
  display: flex;
  justify-content: space-between;
  flex-flow: wrap;
  gap: 0.2rem;
}

.section4-card {
  width: 2.5rem;
  height: 3.4rem;
  background-color: #6d597a;
  color: #ffffff;
  border: 0.01rem solid rgba(34, 44, 60, 0.5);
  border-radius: 0.32rem;
  padding: 0.32rem;
  transition: all 0.1s ease-in;
}

.section4-card_title {
  font-size: 0.32rem;
  font-weight: 600;
  color: #ffffff;
  transition: all 0.1s ease-in;
}

.section4-card_content {
  font-size: 0.16rem;
  margin-top: 0.75rem;
  transition: all 0.1s ease-in;
  line-height: 150%;
  color: #ffffff80;
}

.section4-card:hover {
  background-color: #eaac8b;
}

.section4-card:hover .section4-card_title {
  color: #355070;
}

.section4-card:hover .section4-card_content {
  color: #355070;
}

#service {
  font-size: 0.32rem;
  font-weight: bold;
  width: 10.08rem;
  margin: 0 auto;
  margin-top: 1rem;
  color: #ffffff;
  padding: 0.4rem 0;
}

.section5 {
  font-size: 0.24rem;
  font-weight: normal;
  line-height: 1.5;
  width: 10.08rem;
  margin: 0 auto;
  margin-bottom: 2rem;
}

.section5 li {
  margin-bottom: 0.2rem;
}

.section5-li-title {
  font-weight: bold;
}