nav {
  height: 1.44rem;
  background: #02102d;

  padding: 0 2.4rem;
  display: flex;
  align-items: center;
  gap: 4.9rem;
}
nav img {
  width: 2.02rem;
}
.menu_list {
  display: flex;
  align-items: center;
}
.menu_list li {
  margin-right: 0.96rem;
}
.menu_list li a {
  font-weight: 500;
  font-size: 0.32rem;
  color: rgba(255, 255, 255, 0.8);
}
li.active a {
  color: #fff;
}
li.contact_us {
  border-radius: 0.2rem 0.2rem 0.2rem 0.2rem;
  border: 0.02rem solid #5f5f5f;
  padding: 0.24rem 0.4rem 0.22rem;
}
.banner-top {
  height: 14.8rem;
  background: url("../images/banner.webp") center/100% 100%;
  padding: 3.12rem 2.4rem 0;
}
.banner-top h1 {
  font-size: 1.6rem;
  color: #ffffff;
  text-align: center;
  font-weight: 600;
  line-height: 2rem;
}
.banner-top h2 {
  font-weight: bold;
  font-size: 1.6rem;
  color: #ffffff;
  line-height: 0.44rem;
  text-align: center;
  opacity: 0.5;
  margin-top: 2.18rem;
}
.banner-top h3 {
  font-size: 0.64rem;
  color: #ffffff;
  text-align: center;
  margin-top: 0.62rem;
}
.common-section {
  padding: 2.4rem;
}
.section-title {
  font-size: 0.88rem;
  color: #1a479e;
  font-weight: 600;
  text-align: center;
  margin-bottom: 1.6rem;
}
.company-info {
  background: url("../images/dark-bg.webp") top/100% auto no-repeat;
}
.about-section .section-title,
.advantage-section .section-title {
  color: #fff;
}
.about-top-img {
  width: 100%;
}
.about-text {
  font-size: 0.4rem;
  color: #ffffff;
  line-height: 0.6rem;
  margin-top: 1.2rem;
}
.advantage-section {
  padding-top: 0;
}
.advantage-section .advantage-content {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0.4rem 0.4rem 0.4rem 0.4rem;
  border: 0.02rem solid #ffffff;
  padding: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.48rem;
}
.advantage-content .advantage-img {
  width: 8rem;
  height: 7.3rem;
}
.advantage-main {
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  height: 7.3rem;
  background: #1a479e;
  border-radius: 0.4rem 0.4rem 0.4rem 0.4rem;
  padding: 0rem 0.8rem;
}
.advantage-item .advantage-title {
  font-size: 0.48rem;
  color: #ffffff;
  font-weight: 600;
}
.advantage-item .advantage-text {
  font-weight: 400;
  font-size: 0.32rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 0.48rem;
}
.advantage-section .more-btn {
  text-align: center;
  margin: 1.6rem auto 0;
  width: fit-content;
}
.advantage-section .more-btn a {
  width: 5.06rem;
  height: 1.36rem;
  background: #1a479e;
  border-radius: 0.2rem 0.2rem 0.2rem 0.2rem;
  font-weight: 400;
  font-size: 0.64rem;
  color: #ffffff;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.expertise-content {
  display: flex;

  gap: 0.48rem;
}
.expertise-item {
  width: 5.28rem;
  height: 10.38rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.expertise-item.reverse {
  flex-direction: column-reverse;
}
.expertise-item .expertise-title {
  font-size: 0.64rem;
  color: #000000;
}
.expertise-item .expertise-text {
  font-weight: 400;
  font-size: 0.36rem;
  color: rgba(0, 0, 0, 0.7);
  line-height: 0.54rem;
  margin-top: 0.48rem;
}

.commitment-content {
  display: flex;
  align-items: flex-start;

  justify-content: space-between;
  gap: 1.34rem;
}
.commitment-left {
  width: 11.24rem;
}
.commitment-right {
  width: 11.24rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.commitment-item {
  display: flex;
  flex-direction: column;
  gap: 0.48rem;
}
.commitment-item .commitment-title {
  font-size: 0.64rem;
  color: #000000;
  font-weight: 600;
}
.commitment-item .commitment-text {
  font-weight: 400;
  font-size: 0.36rem;
  color: rgba(0, 0, 0, 0.7);
  line-height: 0.54rem;
}
.contact-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.74rem;
}
.contact-main {
  gap: 0.48rem;
  width: 12.58rem;
  height: 8.74rem;
  background: #1a479e;
  border-radius: 0.4rem 0.4rem 0.4rem 0.4rem;
  padding: 0.6rem;
}
.contact-img {
  width: 10.68rem;
  height: 8.72rem;
}
.double {
  display: flex;
  align-items: center;
  gap: 0.48rem;
}
.input-item {
  margin-bottom: 0.4rem;
}
.input-item .lable {
  font-size: 0.28rem;
  color: #ffffff;
  line-height: 0.4rem;
  margin-bottom: 0.24rem;
}
.input-item input {
  width: 5.35rem;
  height: 0.92rem;
  background: #ffffff;
  box-shadow: 0rem 0.02rem 0.08rem 0rem rgba(25, 33, 61, 0.08);
  border-radius: 0.12rem 0.12rem 0.12rem 0.12rem;
  border: 0.02rem solid #f1f3f7;
  padding: 0 0.24rem;
}
.input-item textarea {
  width: 11.34rem;
  height: 1.84rem;
  background: #ffffff;
  box-shadow: 0rem 0.02rem 0.08rem 0rem rgba(25, 33, 61, 0.08);
  border-radius: 0.12rem 0.12rem 0.12rem 0.12rem;
  border: 0.02rem solid #f1f3f7;
  padding: 0.24rem;
}
.contact-content .submit-btn {
  width: fit-content;
  cursor: pointer;
  background: #ffffff;
  border-radius: 0.2rem 0.2rem 0.2rem 0.2rem;
  font-size: 0.32rem;
  color: #1a479e;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.24rem 0.76rem;
}

footer {
  background: #1d2245;
  border-radius: 0rem 0rem 0rem 0rem;
  padding: 2.4rem;
  display: flex;
  gap: 3rem;
}
.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.48rem;
  width: 9.5rem;
}
.footer-left .bottom-logo {
  width: 3.72rem;
  height: 1.96rem;
}
.footer-left .bottom-logo img {
  width: 100%;
  height: 100%;
}
.footer-left .bottom-logo-text {
  font-size: 0.28rem;
  color: #ffffff;
  line-height: 0.42rem;
  margin-top: 0.64rem;
}
.footer-right {
  display: flex;
  flex-direction: column;
  gap: 0.48rem;
}
.footer-top-menu {
  display: flex;

  gap: 0.96rem;
}
.footer-top-menu a {
  font-size: 0.32rem;
  color: #ffffff;
}
.contact-btn {
  margin-top: 1.3rem;
}
.contact-btn a {
  font-size: 0.32rem;
  color: #ffffff;
}

.link-info {
  margin-top: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.48rem;
}
.link-info .link-item {
  display: flex;
  align-items: center;
  gap: 0.48rem;
  font-size: 0.32rem;
  color: #f8faff;
  line-height: 0.44rem;
}
.link-info .link-item img {
  width: 0.48rem;
  height: 0.48rem;
}

.misstion-viserion {
  display: flex;

  justify-content: space-between;
  gap: 1.32rem;
}
.misstion-item {
  flex: 1;
}
.misstion-item .misstion-title {
  font-size: 0.64rem;
  color: #000000;
  font-weight: 600;
  margin-top: 1rem;
}
.misstion-item .misstion-text {
  font-size: 0.36rem;
  color: rgba(0, 0, 0, 0.7);
  line-height: 0.54rem;
  margin-top: 0.48rem;
}
.misstion-item img {
  width: 100%;
}

/* Toast Message Styles */
.toast-message {
  position: fixed;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(-2rem);
  padding: 0.4rem 0.8rem;
  border-radius: 0.2rem;
  font-size: 0.32rem;
  color: #ffffff;
  z-index: 9999;
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 0.08rem 0.24rem rgba(0, 0, 0, 0.2);
  max-width: 80%;
  text-align: center;
}

.toast-message.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-success {
  background: #4caf50;
}

.toast-error {
  background: #f44336;
}

.contact-main form {
  display: contents;
}
.service-box {
  background: #f1f3f7;
  border-radius: 0rem 0rem 0rem 0rem;
  padding: 2.4rem 1.2rem;
}
.service-box ul li {
  list-style: disc;
  font-size: 0.48rem;
  color: #000000;
  font-weight: 600;
  line-height: 0.72rem;
}
.protocol-content {
  background: #f1f3f7;
  border-radius: 0rem 0rem 0rem 0rem;
  padding: 1.18rem 1.6rem;
}