html {
  scroll-behavior: smooth;
}

.w {
  width: 1240px;
  margin: 0 auto;
}

/* 快捷导航 */
.shortcut {
  height: 52px;
  background-color: #333333;
}

.shortcut li a {
  color: #fff;
}

.shortcut ul {
  height: 52px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.shortcut .line {
  width: 1px;
  height: 12px;
  background-color: #999;
  margin: 0 15px
}

.shortcut li i {
  font-size: 18px;
  margin-right: 4px;
}

.shortcut li:first-child a {
  color: #5EB69C;
}

.shortcut li a:hover {
  color: #5EB69C;
}

.header {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100px;
  background-color: #fff;
}

.header .logo {
  width: 200px;
  height: 88px;
}

.header .logo h1 {
  height: 100%;
  width: 100%;
}

.header .logo a {
  display: block;
  height: 100%;
  width: 100%;
  background-image: url(../images/logo.png);
  text-indent: -9999px;
  overflow: hidden;
}

.nav {
  display: flex;
  gap: 48px;
}

.nav li a {
  display: block;
  height: 40px;
  line-height: 40px;
}

.nav li a:hover {
  color: #5EB69C;
  border-bottom: 2px solid #5EB69C;
}

.nav li:nth-child(2) a {
  color: #5EB69C;
  border-bottom: 2px solid #5EB69C;
}

.search {
  position: relative;
}

.search i {
  position: absolute;
  top: 8px;
  left: 0px;
  font-size: 20px;
  color: #ccc;
}

.search input {
  width: 170px;
  height: 40px;
  border-bottom: 2px solid #F4F4F4;
  padding-left: 28px;
}

.search input::placeholder {
  color: #ccc;
  font-size: 16px;
}

.car i {
  font-size: 40px;
  margin-right: 10px;
}

.footer {
  height: 580px;
  background-color: #F5F5F5;
}

.footer .slogan {
  height: 178px;
  border-bottom: 1px solid #E8E8E8;
}

.footer .slogan ul {
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  height: 100%;
}

.footer .slogan ul li {
  display: flex;
  align-items: center;
}

.footer .slogan ul li h5 {
  width: 58px;
  height: 58px;
  background-image: url('../images/sprite.png');
}

.slogan ul li p {
  font-size: 28px;
  margin-left: 20px;
}

.slogan li .two {
  background-position: 0 -58px;
}

.slogan li .three {
  background-position: 0 -116px;
}

.slogan li .four {
  background-position: 0 -174px;
}

.service {
  display: flex;
  justify-content: space-between;
  margin-top: 60px;
}

.service-left {
  display: flex;
  gap: 84px;
}

.service-left dt {
  margin-bottom: 30px;
  font-size: 18px;
}

.service-left dd {
  margin-bottom: 10.5px;
}

.service-left dd a {
  display: block;
  color: #969696;
  font-size: 16px;
}

.service-left dd a i {
  color: #5EB69C;
}

.service-right ul {
  display: flex;
  text-align: center;
  gap: 55px;
}

.service-right ul li {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #969696;
}

.service-right ul li img {
  width: 120px;
  height: 120px;
  margin-bottom: 10px; 
}

.copyright {
 text-align: center;
 margin-top: 100px;
 color: #A1A1A1;
 line-height: 30px;
}

.copyright a {
  color: #A1A1A1;
}