/* 导航菜单页面样式 */
.navigation-menu-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 80px 0 60px;
}

.navigation-menu-page .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 页面标题区域 */
.page-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease-out;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.2rem;
    color: #7f8c8d;
    margin: 0;
    opacity: 0.8;
}

/* 导航网格布局 */
.navigation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

/* 导航项目卡片 */
.nav-item {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.nav-item:hover::before {
    left: 100%;
}

.nav-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 1);
}

/* 图标样式 */
.nav-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.nav-item:hover .nav-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.nav-icon svg {
    width: 48px;
    height: 48px;
    transition: transform 0.3s ease;
}

.nav-item:hover .nav-icon svg {
    transform: scale(1.1);
}

/* 标题样式 */
.nav-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 12px;
    position: relative;
    z-index: 2;
}

/* 描述文字 */
.nav-description {
    font-size: 1rem;
    color: #7f8c8d;
    line-height: 1.6;
    margin-bottom: 24px;
    position: relative;
    z-index: 2;
}

/* 链接按钮 */
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.nav-link:hover {
    color: #764ba2;
    transform: translateX(5px);
}

/* 底部信息区域 */
.navigation-footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.navigation-footer p {
    font-size: 1.1rem;
    color: #7f8c8d;
    margin-bottom: 20px;
}

.contact-btn {
    display: inline-block;
    background: #1369a8;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-item {
    animation: fadeInUp 0.6s ease-out;
}

.nav-item:nth-child(1) { animation-delay: 0.1s; }
.nav-item:nth-child(2) { animation-delay: 0.2s; }
.nav-item:nth-child(3) { animation-delay: 0.3s; }
.nav-item:nth-child(4) { animation-delay: 0.4s; }
.nav-item:nth-child(5) { animation-delay: 0.5s; }
.nav-item:nth-child(6) { animation-delay: 0.6s; }
.nav-item:nth-child(7) { animation-delay: 0.7s; }
.nav-item:nth-child(8) { animation-delay: 0.8s; }

/* 响应式设计 */
@media (max-width: 768px) {
    .navigation-menu-page {
        padding: 60px 0 40px;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .page-subtitle {
        font-size: 1.1rem;
    }
    
    .navigation-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .nav-item {
        padding: 30px 20px;
    }
    
    .nav-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .nav-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .nav-title {
        font-size: 1.3rem;
    }
    
    .nav-description {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .navigation-menu-page .container {
        padding: 0 15px;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .nav-item {
        padding: 25px 15px;
    }
    
    .nav-icon {
        width: 60px;
        height: 60px;
    }
    
    .nav-icon svg {
        width: 32px;
        height: 32px;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .navigation-menu-page {
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    }
    
    .page-title {
        color: #ecf0f1;
    }
    
    .page-subtitle {
        color: #bdc3c7;
    }
    
    .nav-item {
        background: rgba(52, 73, 94, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-item:hover {
        background: rgba(52, 73, 94, 0.9);
    }
    
    .nav-title {
        color: #ecf0f1;
    }
    
    .nav-description {
        color: #bdc3c7;
    }
    
    .navigation-footer {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .navigation-footer p {
        color: #bdc3c7;
    }
}

/* 打印样式 */
@media print {
    .navigation-menu-page {
        background: white;
        padding: 20px 0;
    }
    
    .nav-item {
        background: white;
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
        margin-bottom: 20px;
    }
    
    .nav-icon {
        background: #667eea;
    }
    
    .contact-btn {
        background: #667eea;
    }
}

/* ========================================
   Block Navigation Menu 区块样式
   ======================================== */

/* 区块容器 */
.navigation-menu-block {
    margin: 20px 0;
    padding: 0;
}

.navigation-menu-container {
    width: 100%;
    max-width: 100%;
}

/* 导航菜单容器 */
.navigation-menu-nav {
    position: relative;
}

/* 主菜单列表 */
.navigation-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
    align-items: center;
    justify-content: center;
}

/* 菜单项 */
.navigation-menu-list li {
    position: relative;
    margin: 0;
    padding: 0;
    border: none;
}

.navigation-menu-list li:last-child {
    border-right: none;
}

/* 菜单链接 */
.navigation-menu-list a {
    display: flex;
    align-items: center;
    padding: 12px 0;
    color: #666666;
    text-decoration: none;
    font-weight: 400;
    font-size: 16px;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
    border-bottom: 2px solid transparent;
}

.navigation-menu-list a:hover {
    background: transparent;
    color: #333333;
}

/* 当前页面菜单项 */
.navigation-menu-list .active > a,
.navigation-menu-list .current-menu-item > a,
.navigation-menu-list .current-menu-parent > a {
    background: transparent;
    color: #333333;
    border-bottom-color: #007cba;
    font-weight: 500;
}

/* 下拉箭头 */
.dropdown-arrow {
    margin-left: 8px;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.dropdown-arrow::before {
    content: '▼';
}

/* 子菜单 */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: white;
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    margin: 0;
    padding: 8px 0;
    border: 1px solid #e9ecef;
}

/* 显示子菜单 */
.has-dropdown:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* 子菜单项 */
.sub-menu li {
    border: none;
    border-bottom: 1px solid #f1f3f4;
}

.sub-menu li:last-child {
    border-bottom: none;
}

.sub-menu a {
    padding: 12px 20px;
    font-size: 13px;
    color: #495057;
    border-radius: 0;
}

.sub-menu a:hover {
    background: #f8f9fa;
    color: #667eea;
    padding-left: 25px;
}

/* 三级菜单 */
.sub-menu .sub-menu {
    top: 0;
    left: 100%;
    margin-left: 1px;
}

/* 主题样式变体 */
.navigation-menu-block.theme-dark .navigation-menu-list {
    background: #2c3e50;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navigation-menu-block.theme-dark .navigation-menu-list li {
    border-right-color: #34495e;
}

.navigation-menu-block.theme-dark .navigation-menu-list a {
    color: #ecf0f1;
}

.navigation-menu-block.theme-dark .navigation-menu-list a:hover {
    background: #34495e;
    color: #3498db;
}

.navigation-menu-block.theme-dark .sub-menu {
    background: #2c3e50;
    border-color: #34495e;
}

.navigation-menu-block.theme-dark .sub-menu a {
    color: #bdc3c7;
}

/* 对齐方式 */
.navigation-menu-block.align-center .navigation-menu-list {
    justify-content: center;
}

.navigation-menu-block.align-right .navigation-menu-list {
    justify-content: flex-end;
}

/* 边框样式 */
.navigation-menu-block.has-border {
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 20px;
}

/* 无菜单时的提示信息 */
.navigation-menu-fallback {
    padding: 40px 20px;
    text-align: center;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
}

.no-menu-message {
    color: #6c757d;
    font-size: 16px;
    margin: 0 0 15px 0;
}

.admin-notice {
    margin: 0;
}

.admin-notice a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.admin-notice a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navigation-menu-block {
        padding: 15px;
    }
    
    .navigation-menu-list {
        flex-direction: column;
        gap: 0;
        align-items: flex-start;
    }
    
    .navigation-menu-list li {
        border: none;
        width: 100%;
        border-bottom: 1px solid #e9ecef;
    }
    
    .navigation-menu-list li:last-child {
        border-bottom: none;
    }
    
    .navigation-menu-list a {
        padding: 15px 0;
        font-size: 16px;
        width: 100%;
        border-bottom: 2px solid transparent;
        white-space: normal; /* Allow text wrapping on mobile */
        box-sizing: border-box; /* Ensure padding doesn't increase width */
        overflow-wrap: break-word; /* Break long words if necessary */
    }
    
    .navigation-menu-list .current-menu-item > a,
    .navigation-menu-list .active > a {
        border-bottom-color: #007cba;
    }
    
    /* 移动端子菜单 */
    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: #f8f9fa;
        margin-left: 20px;
        display: none;
        min-width: unset; /* Reset min-width for mobile */
        width: auto;
    }
    
    .has-dropdown:hover .sub-menu {
        display: block;
    }
    
    .sub-menu a {
        padding: 10px 15px;
        font-size: 14px;
        box-sizing: border-box;
    }
    
    .dropdown-arrow::before {
        content: '▶';
    }
    
    .has-dropdown:hover .dropdown-arrow::before {
        content: '▼';
    }
}

@media (max-width: 480px) {
    .navigation-menu-list a {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .sub-menu a {
        padding: 8px 12px;
        font-size: 13px;
    }
}