/* ===== 导航公共样式（所有页面共享） ===== */
/* 引用方式：<link rel="stylesheet" href="assets/nav-common.css"> */

/* ===== 顶部 Header ===== */
.nav-header {
  width: 100%;
  background: #f5f5f5;
}

.nav-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  min-height: 90px;
}

.nav-logo-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-logo-img {
  height: 60px;
  display: block;
  flex-shrink: 0;
}

.nav-logo-text {
  font-size: 30px;
  font-weight: bold;
  color: #00304b;
  letter-spacing: 3px;
  line-height: 1.3;
}

/* ===== 导航栏 ===== */
.nav-navbar {
  width: 100%;
  background: url('../images/01bj.png') left center / auto 100% repeat-x;
  margin-bottom: 0;
}

.nav-navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: stretch;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  height: 44px;
  color: #ab3600;
  font-size: 15px;
  font-weight: bold;
  letter-spacing: 1px;
  cursor: pointer;
  transition: color 0.18s;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
}

.nav-item:hover:not(.active) {
  background: url('../images/02move.png') center center / 100% 100% no-repeat;
  color: #fff;
  transition: background 0.2s;
}

.nav-item.active {
  background: url('../images/02choose.png') center center / 100% 100% no-repeat;
  color: #fff;
  font-weight: bold;
}

.nav-item + .nav-item:not(.active)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 22%;
  height: 56%;
  width: 1px;
  background: rgba(255, 255, 255, 0.2);
}

.nav-item.active + .nav-item::before {
  display: none;
}

/* ===== 手机端：导航只显示前五个 ===== */
@media (max-width: 768px) {
  .nav-navbar-inner .nav-item:nth-child(n+6) {
    display: none;
  }

  .nav-header-inner {
    padding: 8px 16px;
    min-height: auto;
  }

  .nav-logo-img {
    height: 40px;
  }

  .nav-logo-text {
    font-size: 18px;
    letter-spacing: 1px;
  }

  .nav-item {
    padding: 0 12px;
    font-size: 13px;
    height: 38px;
  }
}