/* 统一全局导航栏样式 - 全站同步生效 */
:root {
    --nav-primary: #4e73df;
    --nav-secondary: #6f42c1;
}

/* 导航条主体 */
.navbar {
    background: linear-gradient(90deg, var(--nav-primary) 0%, var(--nav-secondary) 100%) !important;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.3) !important;
    padding-top: 0.7rem !important;
    padding-bottom: 0.7rem !important;
    transition: none !important; /* 防止切换瞬间背景跳动 */
}

/* 品牌Logo样式固定 */
.navbar-brand {
    font-weight: 700 !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    letter-spacing: 0.5px;
    font-size: 1.25rem !important;
    opacity: 1 !important;
}

.navbar-brand i {
    font-size: 1.4rem;
}

/* 导航按钮容器 */
.nav-buttons-container {
    display: flex !important;
    gap: 10px !important;
    align-items: center !important;
}

/* 导航按钮基础形态 */
.nav-btn {
    background: rgba(255, 255, 255, 0.12) !important;
    color: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid rgba(255, 255, 255, 0.18) !important;
    border-radius: 8px !important;
    padding: 7px 14px !important;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    font-weight: 500 !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    text-decoration: none !important;
    backdrop-filter: blur(6px) !important;
    -webkit-backdrop-filter: blur(6px) !important;
    position: relative;
    overflow: hidden;
    font-size: 0.95rem !important;
}

/* 流光特效 */
.nav-btn::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: -100% !important;
    width: 100% !important;
    height: 100% !important;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent) !important;
    transition: left 0.6s ease !important;
    z-index: 1;
}

/* 悬浮状态 */
.nav-btn:hover {
    background: rgba(255, 255, 255, 0.25) !important;
    color: #ffffff !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15) !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
}

.nav-btn:hover::before {
    left: 100% !important;
}

/* 高亮活动状态，保证页面切换无割裂感 */
.nav-btn.active {
    background: rgba(255, 255, 255, 0.32) !important;
    color: white !important;
    font-weight: 700 !important;
    border-color: white !important;
    box-shadow: inset 0 0 8px rgba(255, 255, 255, 0.2), 0 4px 12px rgba(0, 0, 0, 0.1) !important;
}

/* 图标居中对齐 */
.nav-btn i {
    font-size: 1.1rem !important;
    display: inline-flex;
    align-items: center;
}

/* 移动端响应式适配 */
@media (max-width: 991px) {
    .nav-buttons-container {
        flex-direction: column !important;
        width: 100% !important;
        margin-top: 15px !important;
        align-items: stretch !important;
        gap: 8px !important;
    }
    
    .nav-btn {
        margin-bottom: 4px !important;
        justify-content: flex-start !important;
        padding: 12px 16px !important;
        width: 100% !important;
        font-size: 1rem !important;
    }
    
    /* 移动端注销组微调 */
    .navbar-nav .d-flex.align-items-center.ms-2 {
        margin-left: 0 !important;
        margin-top: 10px !important;
        width: 100%;
        justify-content: space-between;
    }
}