/* 壳页面（index.html）导航样式 */
* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  margin: 0;
  padding: 0;
  background: #f0f2f5;
  min-height: 100vh;
}

.ops-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 24px;
  background: #fff;
  border-bottom: 1px solid #e8e8e8;
  flex-shrink: 0;
}

.nav-brand {
  font-size: 18px;
  font-weight: 700;
  color: #333;
  text-decoration: none;
}

.nav-brand:hover {
  color: #F5A623;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: #666;
  text-decoration: none;
  border-radius: 6px;
}

.nav-links a:hover {
  color: #F5A623;
  background: #fff7e6;
}

.nav-links a.active {
  color: #F5A623;
  background: #fff7e6;
}