/* 导航菜单样式 */
.navbar {
    background: linear-gradient(135deg, #8e44ad 0%, #9b59b6 100%);
    padding: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.navbar-brand {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    padding: 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand:hover {
    opacity: 0.9;
}

.navbar-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 5px;
}

.navbar-item {
    position: relative;
}

.navbar-link {
    color: white;
    text-decoration: none;
    padding: 20px 15px;
    display: block;
    transition: all 0.3s ease;
    font-weight: 500;
}

.navbar-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.navbar-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    border-bottom: 3px solid #fff;
}

/* 移动端菜单按钮 */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar-toggle {
        display: block;
    }
    
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #8e44ad 0%, #9b59b6 100%);
        flex-direction: column;
        padding: 10px 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-link {
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .navbar-link:last-child {
        border-bottom: none;
    }
}

/* 为有导航的页面添加顶部间距 */
body.with-navbar {
    padding-top: 0;
}