@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 {
  display: block;
  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;
}
.header .logo img {
  height: 64px;
}
.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 .debtop {
  color: inherit;
  margin-left: 10px;
}
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 */