/* 导航栏样式 */
header {
  background-color: var(--primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  display: flex;
  flex-direction: column;
  padding: 0.8rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.logo-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.logo span {
  color: var(--accent);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.nav-links-row {
  display: flex;
  justify-content: flex-end;
  border-top: var(--border);
  padding: 0.8rem 0;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0.8rem;
  border-radius: 4px;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: var(--accent);
  transition: var(--transition);
}

.nav-links a:hover::after {
  width: 80%;
  left: 10%;
}

.nav-links a.active {
  color: var(--accent);
  background-color: rgba(78, 110, 242, 0.1);
}

.nav-links a.active::after {
  width: 80%;
  left: 10%;
}

/* 登录注册按钮样式 */

/* .auth-buttons {
  display: flex;
  gap: 10px;
}

.auth-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.auth-btn:hover {
  background: var(--accent);
  color: white;
} */