/* 左侧导航样式 */
        .left-nav {
            width: 25%;
            background-color: #ffffff;
            border-right: 1px solid #eef2f7;
            padding: 30px 0;
            flex-direction: column;
        }
        
        .nav-header {
            padding: 0 30px 25px;
            border-bottom: 1px solid #f0f0f0;
            margin-bottom: 20px;
        }
        
        .nav-title {
            font-size: 24px;
            color: #1e293b;
            font-weight: 700;
            margin-bottom: 8px;
        }
        
        .nav-subtitle {
            color: #64748b;
            font-size: 15px;
            line-height: 1.5;
        }
        
        .nav-menu {
            list-style: none;
            flex-grow: 1;
        }
        
        .nav-item {
            margin: 8px 20px;
            position: relative;
        }
        
        .nav-link {
            display: flex;
            align-items: center;
            padding: 18px 20px;
            text-decoration: none;
            color: #475569;
            border-radius: 10px;
            transition: all 0.3s ease;
            position: relative;
            border: 1px solid transparent;
            cursor: pointer;
        }
        
        /* 真正的跳转链接样式 */
        .nav-jump-link {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 1;
            opacity: 0;
        }
        
        .nav-link i {
            font-size: 20px;
            width: 26px;
            margin-right: 16px;
            text-align: center;
            color: #64748b;
            transition: color 0.3s ease;
        }
        
        .nav-link .link-text {
            font-size: 16px;
            font-weight: 500;
            flex-grow: 1;
        }
        
        .nav-link .link-desc {
            font-size: 13px;
            color: #94a3b8;
            margin-top: 4px;
        }
        
        .nav-link:hover {
            background-color: #f8fafc;
            border-color: #e2e8f0;
            color: #1d4ed8;
            transform: translateX(5px);
        }
        
        .nav-link:hover i {
            color: #3b82f6;
        }
        
        .nav-link.active {
            background-color: #eff6ff;
            border-color: #bfdbfe;
            color: #1d4ed8;
            box-shadow: 0 5px 15px rgba(59, 130, 246, 0.1);
        }
        
        .nav-link.active i {
            color: #3b82f6;
        }
        
        .nav-link.active::before {
            content: '';
            position: absolute;
            left: -1px;
            top: 50%;
            transform: translateY(-50%);
            height: 60%;
            width: 4px;
            background-color: #3b82f6;
            border-radius: 0 4px 4px 0;
        }
        
        .nav-indicator {
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            background-color: #3b82f6;
            border-radius: 50%;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .nav-link.active .nav-indicator {
            opacity: 1;
        }
        
        /* 右侧内容区域 */
        .right-content {
			width:72%;
            overflow: hidden;
            position: relative;
        }
        
        .content-item {
            display: none;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
            position: absolute;
            top: 40px;
            left: 40px;
            right: 40px;
        }
        
        .content-item.active {
            display: block;
            opacity: 1;
            transform: translateY(0);
            position: relative;
        }
        
        .content-header {
            margin-bottom: 10px;
        }
        
        .content-title {
            font-size: 32px;
            color: #1e293b;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }
		.content-title a {
            color: #1e293b;
        }
        
        .content-title i {
            color: #3b82f6;
            margin-right: 15px;
            font-size: 36px;
        }
        
        .content-subtitle {
            color: #64748b;
            font-size: 18px;
            line-height: 1.6;
        }
        
        .content-body {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 10px;
        }
        
        .content-card {
            background-color: #f8fafc;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
            border: 1px solid #f1f5f9;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .content-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        }
        
        .card-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            margin-bottom: 20px;
        }
        
        .card-title {
            font-size: 20px;
            color: #1e293b;
            margin-bottom: 12px;
            font-weight: 600;
			border-bottom:1px solid #3b82f6;
        }
		
		.card-title a {
            color: #1e293b;
        }
        
        .card-text {
            color: #475569;
            line-height: 1.6;
            margin-bottom: 15px;
        }
        
        .stats {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .stat-item {
            background-color: #eff6ff;
            border-radius: 10px;
            padding: 20px;
            flex: 1;
            min-width: 200px;
            text-align: center;
            border-left: 4px solid #3b82f6;
        }
        
        .stat-value {
            font-size: 32px;
            font-weight: 700;
            color: #1d4ed8;
            margin-bottom: 5px;
        }
        
        .stat-label {
            color: #64748b;
            font-size: 15px;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .container {
                flex-direction: column;
                height: auto;
                max-height: 90vh;
            }
            
            .left-nav {
                width: 100%;
                border-right: none;
                border-bottom: 1px solid #eef2f7;
                padding: 20px 0;
                max-height: 300px;
            }
            
            .nav-menu {
                display: flex;
                overflow-x: auto;
                padding: 0 15px 10px;
            }
            
            .nav-item {
                min-width: 250px;
            }
            
            .right-content {
                padding: 30px;
            }
            
            .content-item {
                top: 30px;
                left: 30px;
                right: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .content-body {
                flex-direction: column;
            }
            
            .content-card {
                min-width: 100%;
            }
            
            .stats {
                flex-direction: column;
            }
            
            .stat-item {
                min-width: 100%;
            }
        }
        
        /* 提示信息 */
        .hint {
            background-color: #eff6ff;
            border-radius: 10px;
            padding: 15px 20px;
            margin-top: 40px;
            border-left: 4px solid #3b82f6;
            display: flex;
            align-items: center;
        }
        
        .hint i {
            color: #3b82f6;
            font-size: 20px;
            margin-right: 15px;
        }
        
        .hint p {
            color: #475569;
            line-height: 1.6;
        }
/* 上下结构容器 */
        .vstack-container {
            width: 100%;
			margin:50px;
            border-radius: 18px;
            box-shadow: 0 15px 40px rgba(59, 130, 246, 0.1);
            overflow: hidden;
            height: 700px;
        }
        
        /* 顶部导航区域 */
        .vstack-header {
            background-color: #ffffff;
            border-bottom: 1px solid #eef5ff;
            padding: 25px 35px;
            position: relative;
            z-index: 10;
        }
        
        .vstack-title {
            font-size: 34px;
            color: #1e293b;
            font-weight: 700;
            margin-bottom: 8px;
            text-align:center;
        }
        
        .vstack-title i {
            color: #3b82f6;
            margin-right: 12px;
            font-size: 28px;
        }
        
        .vstack-subtitle {
            color: #c1c1c1;
            font-size: 16px;
			font-family:HELVETICANEUELTPRO-THEX;
            font-weight: 400;
			
        }
        
        /* 水平导航菜单 */
        .vstack-menu {
            list-style: none;
            display: flex;
            margin-top: 25px;
            gap: 8px;
        }
        
        .vstack-item {
            flex: 1;
            position: relative;
        }
        
        .vstack-button {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px 15px;
            text-decoration: none;
            color: #475569;
            border-radius: 12px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            border: 2px solid transparent;
            background-color: #f8fafc;
            cursor: pointer;
            text-align: center;
        }
		.vstack-button a{
            color: #475569;
			}
        
        .vstack-button i {
            font-size: 22px;
            margin-bottom: 10px;
            color: #64748b;
            transition: color 0.3s ease;
        }
        
        .vstack-button .btn-text {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        
        .vstack-button .btn-desc {
            font-size: 12px;
            color: #94a3b8;
        }
        
        .vstack-button:hover {
            background-color: #eff6ff;
            border-color: #dbeafe;
            color: #1d4ed8;
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(59, 130, 246, 0.15);
        }
        
        .vstack-button:hover i {
            color: #3b82f6;
        }
        
        .vstack-button.active {
            background-color: #eff6ff;
            border-color: #3b82f6;
            color: #1d4ed8;
            box-shadow: 0 8px 20px rgba(59, 130, 246, 0.2);
        }
        
        .vstack-button.active i {
            color: #3b82f6;
        }
        
        /* 激活状态的箭头指示器 */
        .vstack-button.active::after {
            content: '';
            position: absolute;
            bottom: -25px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 12px solid transparent;
            border-right: 12px solid transparent;
            border-top: 12px solid #3b82f6;
            z-index: 11;
        }
        
        /* 内容区域 */
        .vstack-content {
            flex: 1;
            padding: 35px 80px;
            overflow-y: auto;
            position: relative;
            background-color: #f8fafc;
        }
        
        /* 内容面板 */
        .vstack-panel {
            display: none;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
            position: absolute;
            top: 35px;
            left: 35px;
            right: 35px;
            bottom: 35px;
        }
        
        .vstack-panel.active {
            display: block;
            opacity: 1;
            transform: translateY(0);
            position: relative;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
        }
        
        .panel-header {
            margin-bottom: 30px;
        }
        
        .panel-title {
            font-size: 30px;
            color: #1e293b;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }
        
        .panel-title i {
            color: #3b82f6;
            margin-right: 15px;
            font-size: 32px;
        }
        
        .panel-subtitle {
            color: #64748b;
            font-size: 17px;
            line-height: 1.6;
        }
        
        /* 内容网格 */
        .panel-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }
        
        .grid-card {
            background-color: white;
            border-radius: 14px;
            padding: 25px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
            border: 1px solid #f1f5f9;
            transition: all 0.3s ease;
        }
        
        .grid-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
        }
        
        .card-header {
            display: flex;
            align-items: center;
            margin-bottom: 18px;
        }
        
        .card-icon {
            width: 55px;
            height: 55px;
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 22px;
            margin-right: 15px;
        }
        
        .card-title {
            font-size: 19px;
            color: #1e293b;
            font-weight: 600;
        }
        
        .card-text {
            color: #475569;
            line-height: 1.6;
            margin-bottom: 15px;
            font-size: 14px;
        }
        
        .card-stats {
            display: flex;
            justify-content: space-between;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #f1f5f9;
        }
        
        .stat {
            text-align: center;
            flex: 1;
        }
        
        .stat-value {
            font-size: 16px;
            font-weight: 700;
            color: #1d4ed8;
            margin-bottom: 4px;
        }
        
        .stat-label {
            color: #64748b;
            font-size: 13px;
        }
        
        /* 操作提示 */
        .vstack-hint {
            background-color: #eff6ff;
            border-radius: 12px;
            padding: 18px 22px;
            margin-top: 35px;
            border-left: 5px solid #3b82f6;
            display: flex;
            align-items: center;
        }
        
        .vstack-hint i {
            color: #3b82f6;
            font-size: 22px;
            margin-right: 15px;
            flex-shrink: 0;
        }
        
        .vstack-hint p {
            color: #475569;
            line-height: 1.6;
        }
        
        /* 响应式设计 */
        @media (max-width: 900px) {
            .vstack-container {
                height: auto;
                max-height: 90vh;
            }
            
            .vstack-menu {
                flex-wrap: wrap;
            }
            
            .vstack-item {
                min-width: calc(50% - 8px);
            }
            
            .vstack-button.active::after {
                display: none;
            }
            
            .panel-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 600px) {
            .vstack-container {
                border-radius: 12px;
            }
            
            .vstack-header {
                padding: 20px;
            }
            
            .vstack-content {
                padding: 25px;
            }
            
            .vstack-panel {
                top: 25px;
                left: 25px;
                right: 25px;
                bottom: 25px;
            }
            
            .vstack-item {
                min-width: 100%;
            }
            
            .vstack-button {
                padding: 18px 12px;
            }
        }