@import url("bootstrap.min.css");
/* 变量定义 */
/* 混合定义 */
/* 基础样式 */
body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  background-color: #fafaff;
}
/* 导航栏样式 */
.nav {
  float: right;
  font-weight: 550;
}
.nav > a {
  display: inline-block;
  color: #333;
  text-decoration: none;
  margin-left: 25px;
  line-height: normal;
  text-align: center;
  overflow: hidden;
}
.nav > a::before {
  display: block;
  transition: transform 0.3s ease;
  content: attr(data-label);
  overflow: hidden;
  height: 30px;
  line-height: 30px;
  transform: translateY(-100%);
}
.nav > a > em {
  font-size: 12px;
  opacity: 0.8;
}
.nav > a:hover::before {
  transform: translateY(0%);
}
.nav > a.active::after {
  display: block;
  margin: 0.2rem auto;
  width: 10px;
  height: 6px;
  border-radius: 2px 4px;
  content: '';
  background-color: #e7340c;
}
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: visible;
  padding: 24px 32px;
}
.header .logo {
  font: 64px 'Courier New', Courier, monospace;
}
.banner {
  position: relative;
  height: 30rem;
  background-size: 100% auto;
}
.banner::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: '';
  background-color: rgba(0, 0, 0, 0.3);
}
.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* 底部 */
footer {
  padding: 32px 10%;
}
footer .l-inner .logo {
  font-family: 'Courier New', Courier, monospace;
  font-size: 48px;
  font-weight: 550;
  margin-bottom: 1rem;
}
footer .l-inner dt {
  margin: 0.8rem auto;
}
footer .l-inner dd {
  font-size: 12px;
  margin-bottom: 0.2rem;
}
footer .l-inner p {
  margin-bottom: 0.2rem;
  font-size: 14px;
}
footer .r-inner {
  text-align: right;
}
footer .r-inner .nav > a {
  display: block;
  margin: 0.2rem;
  color: inherit;
  font-weight: normal;
  width: 100%;
}
footer .copyright {
  font-size: 10px;
  color: #999;
}
.ltr-btn {
  display: inline-flex;
  align-items: center;
  position: relative;
  transition: none;
  height: 3.55rem;
  font-size: 0.875rem;
  line-height: 1.9;
  border: 1px solid rgba(22, 22, 22, 0.3);
  color: inherit;
  letter-spacing: 2px;
  font-weight: 550;
  text-decoration: none;
}
.ltr-btn::before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  width: 0;
  display: block;
  background: rgba(22, 22, 22, 0.2);
  transition: 0.3s;
}
.ltr-btn .inner {
  display: flex;
  padding: 0 6rem;
  justify-content: center;
  align-items: center;
  position: relative;
}
.ltr-btn .inner::after {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translate(50%, -50%);
  content: "";
  width: 2.5rem;
  height: 1px;
  background-color: rgba(22, 22, 22, 0.4);
  transition: background-color 0.3s;
}
.ltr-btn:hover::before {
  width: 100%;
}
.ltr-btn:hover .inner::after {
  transform: translate(0%, -50%);
}
/* 移动端特定样式 */
.swiper {
  background: url(../img/mv.jpg) 50% 100% no-repeat;
  background-size: 100% auto;
}
.about {
  display: flex;
  padding: 4em 0;
}
.about-head {
  flex: 1;
  padding: 6em 5% 0 0;
}
.about-head h2 {
  font-size: 48px;
}
.about-head h2 > span {
  display: block;
  font-size: 16px;
}
.about-head h3 {
  margin: 1em auto;
}
.about-body {
  position: relative;
  width: 50%;
  padding: 5em 0;
}
.about-body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 100%;
  background-color: #f4f4f4;
  z-index: -1;
}
.about-body .about-img {
  display: flex;
  justify-content: space-between;
  align-items: start;
  width: 100%;
}
.about-body .about-img > img {
  flex: 1;
  object-fit: cover;
  width: 33.33%;
  height: auto;
}
.about-body .about-img > img:first-child {
  margin-top: 7em;
}
.about-body .about-img > img:last-child {
  margin-top: 3.5em;
}
.services {
  background: url(../img/bg_service.png) repeat;
}
.services .intro {
  display: flex;
}
.services-head {
  width: 640px;
  padding: 5em 3em;
  background-color: #004DA0;
  color: #fff;
}
.services-head h2 {
  font-size: 48px;
}
.services-head h2 > span {
  display: block;
  font-size: 16px;
}
.services-head h3 {
  margin: 1em auto;
}
.services-body {
  padding: 5em;
}
.services-body h3 {
  padding: 0 0 1.5em;
}
.services-nav {
  padding: 5rem 0;
  text-align: center;
}
.services-nav .item {
  display: inline-flex;
  align-items: center;
  position: relative;
  margin: auto 1rem;
  transition: none;
  height: 3.55rem;
  font-size: 0.875rem;
  line-height: 1.9;
  border: 1px solid #004DA0;
  color: #004DA0;
  letter-spacing: 2px;
  font-weight: 550;
  text-decoration: none;
}
.services-nav .item img {
  width: 100px;
  border-radius: 4px;
}
.services-nav .item::before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  width: 0;
  display: block;
  background: rgba(22, 22, 22, 0.2);
  transition: 0.3s;
}
.services-nav .item .inner {
  display: flex;
  padding: 0 4rem;
  justify-content: center;
  align-items: center;
  position: relative;
}
.services-nav .item .inner::after {
  position: absolute;
  bottom: 0;
  right: 50%;
  transform: translate(100%, 100%);
  content: "";
  width: 1px;
  height: 2.5rem;
  background-color: #004DA0;
  transition: background-color 0.3s;
}
.services-nav .item:hover::before {
  width: 100%;
}
.services-item {
  display: flex;
  margin: 3em auto;
  padding-right: 45%;
  position: relative;
}
.services-item-card {
  position: absolute;
  right: 0;
  top: 3em;
  padding: 40px;
  width: 50%;
  background-color: #fff;
}
.services-item-card dt {
  margin-bottom: 1em;
  font-size: 24px;
}
.services-item-card ul {
  list-style: none;
  padding-left: 0;
  color: #272727;
}
.services-item-card ul > li {
  padding: 0.3em 0;
}
.services-item .pic {
  display: block;
  width: 100%;
  background-color: #f2f2f2;
  padding-bottom: 30em;
}
.services-item.rtl {
  padding-left: 45%;
  padding-right: 0;
}
.services-item.rtl .services-item-card {
  left: 0;
  right: auto;
}