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

body {
  font-family: "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
  position: relative;
}

/* 头部导航 */
.header {
  background: #fff;
  color: #333;
  padding: 1.8rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  background: linear-gradient(45deg, #fff, #f0f8ff);
  -webkit-background-clip: text;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  color: #333;
  text-decoration: none;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 20px;
}

.nav-menu a.active{
    color: #37bbed;
    font-weight: bold;
}

.nav-menu a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/*wap 导航*/
.wap {
  display: none;
}

.wap-menu{
  display: none;
}

span.menu:before {
    content: url("../images/menu.png");
    text-align: right;
    cursor: pointer;
    width: 39px;
    height: 39px;
}

.wap-menu-list{
  position: absolute;
    margin: 0;
    padding: 40px 0;
    z-index: 999;
    width: 100%;
    height:100vh;
    text-align: center;
    background: rgba(53, 121, 175, 0.85);
    left: 0em;
    top: 0px;
}

.close{
  text-align: right;
  padding: 10px 20px 20px;
  color: #fff;
  font-size: 2rem;
  position: absolute;
  right: 20px;
  top: 0px;

}

.wap-menu-list a{
  display: block;
  padding: 0.5em 1.5em;
  font-size: 24px;
  font-weight: bold;
  color: #113960;
  text-decoration: none;
}

.wap-menu-list a.active{
  color: #37bbed;
  font-weight: bold;
}

.services-title {
  font-size: 2.6rem;
  font-weight: 400;
  margin-top: 3px;
  color: #113960;
  line-height: 1.2;
}

.services-title font {
  color: #113960;
  font-size: 1.9rem;
  font-weight: 700;
}

.area-title {
  padding-top: 50px;
}
.area-title a {
  font-weight: 400;
  font-size: 2.6rem;
  color: #fff;
  line-height: 1.2;
  text-decoration: none;
  display: block;
}

.area-title font {
  color: #fff;
  font-size: 1.9rem;
  font-weight: 700;
}

.nowrap {
  white-space: nowrap;
}

/* 底部 */

.footer {
  background: #113961;
  color: white;
  padding: 60px 0 40px 0;
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.1);
  pointer-events: none;
}

.footer-container {
  max-width: 1200px;
  margin: 60px auto 0;
  padding: 0 20px;
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 50px;
  align-items: flex-end;
}

.footer-left {
  font-size: 12px;
}

.footer-left .icp {
  color: #337ab7;
  text-decoration: none;
}

.footer-left .icp:hover {
  color: #337ab7;
  text-decoration: none;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr) 2fr;
  gap: 60px;
}

.footer-section h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 25px;
  color: #ffffff;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
  display: block;
  padding: 2px 0;
}

.footer-section a:hover {
  color: #ffffff;
  transform: translateX(5px);
}

.contact-info {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  line-height: 1.8;
}

.contact-info div {
  margin-bottom: 8px;
  transition: color 0.3s ease;
  border-bottom: 1px solid #fff;
}

.contact-info div:hover {
  color: #ffffff;
}

.mt30 {
  margin-top: 30px;
}

.mb44 {
  margin-bottom: 44px;
}

.mb80 {
  margin-bottom: 80px;
}





@media (max-width: 1024px) {
  .nav-menu{
    gap: 0;
  }
  .pc {
    display: none;
  }
  .wap {
    display: block;
  }

  .wap-menu{
    display: block;
  }
.wap-menu-list{
    display: none;
  }
}

@media (max-width: 768px) {
  .footer-container {
    flex-wrap: wrap;
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .footer {
    padding: 40px 0 30px 0;
  }
  .footer-left {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .footer-container {
    flex-wrap: wrap;
  }
  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-container {
    padding: 0 15px;
  }
}


/* 滚动动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}