* { margin: 0; padding: 0; box-sizing: border-box; }
        
        /* 全局确保输入框可交互 */
        input, textarea, select {
            pointer-events: auto !important;
            user-select: text !important;
            -webkit-user-select: text !important;
        }
        
        body {
            font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: #0a0e1a;
            color: #e2e8f0;
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        /* 动态背景 */
        .animated-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 30%, rgba(14, 165, 233, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(168, 85, 247, 0.08) 0%, transparent 50%);
            z-index: 0;
            pointer-events: none;
        }
        
        /* 网格背景 */
        .grid-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            z-index: 0;
            pointer-events: none;
        }
        
        .content-wrapper { position: relative; z-index: 1; }
        
        /* 导航栏 */
        nav {
            background: rgba(15, 23, 42, 0.7);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(14, 165, 233, 0.1);
        }
        
        /* 标题发光 */
        .glow-text {
            text-shadow: 0 0 20px rgba(14, 165, 233, 0.5),
                         0 0 40px rgba(14, 165, 233, 0.3);
        }
        
        /* 卡片样式 */
        .tech-card {
            background: linear-gradient(135deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.6) 100%);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(14, 165, 233, 0.2);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        
        .tech-card::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(135deg, #0ea5e9, #a855f7);
            opacity: 0;
            transition: opacity 0.3s;
            z-index: -1;
            border-radius: inherit;
        }
        
        .tech-card:hover {
            transform: translateY(-4px);
            border-color: rgba(14, 165, 233, 0.5);
            box-shadow: 0 20px 40px rgba(14, 165, 233, 0.2);
        }
        
        .tech-card:hover::before {
            opacity: 0.15;
        }
        
        /* 按钮 */
        .btn-primary {
            background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
            box-shadow: 0 4px 20px rgba(14, 165, 233, 0.4);
            transition: all 0.3s;
        }
        
        .btn-primary:hover {
            box-shadow: 0 6px 30px rgba(14, 165, 233, 0.6);
            transform: translateY(-2px);
        }
        
        /* 输入框 - 强制启用所有交互 */
        .tech-input {
            background: rgba(15, 23, 42, 0.6) !important;
            border: 1px solid rgba(14, 165, 233, 0.2) !important;
            backdrop-filter: blur(10px);
            transition: all 0.3s;
            pointer-events: auto !important;
            cursor: text !important;
            user-select: text !important;
            -webkit-user-select: text !important;
            -moz-user-select: text !important;
            -ms-user-select: text !important;
        }
        
        .tech-input:disabled,
        .tech-input[readonly] {
            pointer-events: auto !important;
            cursor: text !important;
            opacity: 1 !important;
        }
        
        .tech-input:focus {
            border-color: #0ea5e9;
            box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
            outline: none;
        }
        
        /* 下拉框 */
        select.tech-input {
            cursor: pointer !important;
        }
        
        /* AI 平台按钮 */
        .platform-btn {
            background: rgba(15, 23, 42, 0.6);
            border: 2px solid rgba(100, 116, 139, 0.3);
            color: #94a3b8;
            transition: all 0.3s;
        }
        
        .platform-btn:hover {
            border-color: rgba(14, 165, 233, 0.5);
            background: rgba(14, 165, 233, 0.1);
            color: #0ea5e9;
            transform: translateY(-2px);
        }
        
        .platform-btn-active {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.2) 0%, rgba(14, 165, 233, 0.1) 100%);
            border-color: #0ea5e9;
            color: #0ea5e9;
            box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
        }
        
        .platform-btn-active:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(14, 165, 233, 0.5);
        }
        
        /* 视图切换按钮 */
        .view-btn {
            background: rgba(15, 23, 42, 0.6);
            border: 2px solid rgba(100, 116, 139, 0.3);
            color: #94a3b8;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .view-btn:hover {
            border-color: rgba(14, 165, 233, 0.5);
            background: rgba(14, 165, 233, 0.1);
            color: #0ea5e9;
            transform: translateY(-2px);
        }
        
        .view-btn-active {
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.2) 0%, rgba(14, 165, 233, 0.1) 100%);
            border-color: #0ea5e9;
            color: #0ea5e9;
            box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
        }
        
        .view-btn-active:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(14, 165, 233, 0.5);
        }
        
        /* 加载动画 */
        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 0 20px rgba(14, 165, 233, 0.4); }
            50% { box-shadow: 0 0 40px rgba(14, 165, 233, 0.8); }
        }
        
        .loading-spinner {
            border: 4px solid rgba(15, 23, 42, 0.3);
            border-top-color: #0ea5e9;
            animation: spin 1s linear infinite, pulse-glow 2s ease-in-out infinite;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }
        
        /* 分类标题 */
        .category-header {
            position: relative;
            padding-bottom: 8px;
        }
        
        .category-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 2px;
            background: currentColor;
            box-shadow: 0 0 10px currentColor;
        }
        
        /* 隐藏类 */
        .hidden { display: none !important; }
        
        /* 思维导图样式 */
        .mindmap-branch {
            position: absolute;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .mindmap-branch:hover {
            transform: scale(1.05);
            z-index: 10;
        }
        
        /* 分类节点 */
        .mindmap-category-node {
            position: absolute;
            transform: translate(-50%, -50%);
            padding: 12px 24px;
            border: 2px solid;
            border-radius: 20px;
            background: rgba(15, 23, 42, 0.9);
            color: #e2e8f0;
            font-size: 1rem;
            font-weight: 600;
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            cursor: pointer;
            transition: all 0.3s;
            z-index: 2;
            white-space: nowrap;
        }
        
        .mindmap-category-node:hover {
            transform: translate(-50%, -50%) scale(1.1);
            box-shadow: 0 8px 30px rgba(14, 165, 233, 0.5);
        }
        
        /* 主连接线 */
        .mindmap-main-line {
            position: absolute;
            z-index: 0;
        }
        
        /* 行业节点 */
        .mindmap-industry-node {
            position: absolute;
            transform: translate(-50%, -50%);
            padding: 8px 14px;
            border-radius: 12px;
            background: rgba(15, 23, 42, 0.8);
            border-left: 3px solid;
            color: #e2e8f0;
            font-size: 0.85rem;
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            transition: all 0.25s;
            z-index: 1;
            white-space: nowrap;
            display: flex;
            align-items: center;
        }
        
        .mindmap-industry-node:hover {
            transform: translate(-50%, -50%) scale(1.05);
            box-shadow: 0 4px 20px rgba(14, 165, 233, 0.4);
            background: rgba(14, 165, 233, 0.15);
        }
        
        .mindmap-node {
            background: rgba(15, 23, 42, 0.8);
            border: 2px solid;
            border-radius: 12px;
            padding: 12px 20px;
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            transition: all 0.3s;
            max-width: 180px;
        }
        
        .mindmap-node:hover {
            box-shadow: 0 8px 30px rgba(14, 165, 233, 0.4);
            transform: translateY(-2px);
        }
        
        .mindmap-line {
            position: absolute;
            height: 2px;
            background: linear-gradient(90deg, rgba(14, 165, 233, 0.3), rgba(14, 165, 233, 0.1));
            transform-origin: left center;
            z-index: 0;
        }
        
        .mindmap-category {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
        }
        
        .mindmap-industry {
            font-size: 0.85rem;
            color: #cbd5e1;
            line-height: 1.4;
        }
        
        /* 思维导图行业树状列表 */
        .mindmap-industries-tree {
            padding: 4px 0;
        }
        
        .mindmap-industry-item:hover {
            background: rgba(14, 165, 233, 0.2) !important;
            transform: translateX(4px);
            box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
        }
        
        /* 自定义滚动条 */
        .mindmap-node::-webkit-scrollbar {
            width: 6px;
        }
        
        .mindmap-node::-webkit-scrollbar-track {
            background: rgba(15, 23, 42, 0.5);
            border-radius: 3px;
        }
        
        .mindmap-node::-webkit-scrollbar-thumb {
            background: rgba(14, 165, 233, 0.4);
            border-radius: 3px;
        }
        
        .mindmap-node::-webkit-scrollbar-thumb:hover {
            background: rgba(14, 165, 233, 0.6);
        }
        
        /* 响应式网格 */
        @media (min-width: 768px) {
            .results-grid { grid-template-columns: repeat(2, 1fr); }
        }
        
        @media (min-width: 1280px) {
            .results-grid { grid-template-columns: repeat(4, 1fr); }
        }