.nav-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: url(./img/bg.png);
  box-shadow: 0 2px 5px rgba(192, 148, 148, 0.1);
  z-index: 999;
}


.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 16px;
  height: 76px;
  line-height: 76px;
  padding: 0 20px;
}

.index-title a {
  display: flex;
  align-items: center;
}

.index-title {
  display: flex;
  align-items: center;
  font-weight: bold;
  margin: 0;
}

.index-title h1 {
  padding-left: 15px;
  margin-bottom: 0;
}


.main-nav {
  display: flex;
  justify-content: center;
  font-size: 20px;
  height: 50px;
  line-height: 50px;
  position: relative;
  border-top: 1px solid #cac5c5;
}


.nav-item {
  color: #ffffff;
  text-decoration: none;
  padding: 0 20px;
  position: relative;
  margin-right: 25px;
}


.nav-item.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background-color: red;
}


.nav-item:not(.active):hover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background-color: red;
}

.date-bar {
  text-align: center;
  font-size: 14px;
  color: #ffffff;
  padding-top: 5px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.date-bar span {
  margin: 0 8px;
  white-space: nowrap;
}