/* ---------- 核心风格 ---------- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Exo 2', 'Inter', system-ui, -apple-system, sans-serif;
        }

        :root {
            --primary: #ff00cc;
            --accent: #00c9ff;
            --accent-alt: #ff6b6b;
            --dark: #0f172a;
            --light: #f8fafc;
            --gray: #94a3b8;
            --border: rgba(64, 115, 250, 0.3);
            --success: #00d9a5;
        }

        body {
            background: linear-gradient(135deg, #000000, #130f3c, #000000);
            color: var(--light);
            overflow-x: hidden;
            position: relative;
            min-height: 100vh;
            
        }

        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 20% 30%, rgba(87, 108, 188, 0.1) 0%, transparent 40%),
                        radial-gradient(circle at 80% 70%, rgba(188, 87, 162, 0.1) 0%, transparent 40%);
            z-index: -1;
        }

        li { list-style: none; }
        a { text-decoration: none; color: unset; }

        #particles-js {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
        }

        .grid-pattern {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(64, 115, 250, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(64, 115, 250, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            z-index: -1;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 0 2rem;
            position: relative;
            z-index: 2;
        }
        .content-panel,.page-title,.articles-section,.footer-note {padding: 0 20px 2rem;}

        /* ---------- 品牌头部 ---------- */
        .brand-header {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 28px 0 20px;
            margin-bottom: 2.5rem;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
            position: relative;
        }

        .logo {
            position: relative;
            display: block;
            height: 56px;
            flex-shrink: 0;
        }
        .logo img {
            width: auto;
            height: 100%;
            display: block;
            border-radius: 12px;
        }
        .logo::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 83.9%;
            transform: translateX(-50%);
            width: 5px;
            height: 5px;
            background: radial-gradient(circle at 30% 30%, #ffffff, #e0e0ff);
            border-radius: 50%;
            box-shadow: 
                0 0 0 2px rgba(255, 255, 255, 0.8), 
                0 0 8px 4px rgba(207, 192, 9, 0.8);
            animation: orbit 4s linear infinite;
        }
        @keyframes orbit {
            0% { transform: translateX(-50%) rotate(0deg) translate(18px) rotate(0deg); }
            100% { transform: translateX(-50%) rotate(360deg) translate(18px) rotate(-360deg); left: 83.9%; }
        }

        .header-contact {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .header-contact .btn-main {
            padding: 12px 35px;
            border-radius: 60px;
            font-weight: 500;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .header-contact .btn-demo {
            background: linear-gradient(90deg, var(--primary), var(--accent));
            color: white;
            box-shadow: 0 0 0 3px rgba(0, 201, 255, 0.3);
            /*box-shadow: 0 4px 16px rgba(0, 201, 255, 0.25);*/
        }
        .header-contact .btn-demo:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 201, 255, 0.4);
        }
        .header-contact .btn-demo.active {
            box-shadow: 0 0 0 3px rgba(0, 201, 255, 0.3);
        }
        .header-contact .btn-support {
            background: rgba(30, 41, 59, 0.6);
            color: var(--gray);
            border: 1px solid rgba(64, 115, 250, 0.2);
        }
        .header-contact .btn-support:hover {
            background: rgba(30, 41, 59, 0.8);
            border-color: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }
        .header-contact .btn-support.active {
            border-color: var(--accent);
            color: #fff;
            box-shadow: 0 0 0 3px rgba(0, 201, 255, 0.3);
        }

        /* ---------- 页面标题 ---------- */
        .page-title {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .page-title p {
            color: var(--gray);
            max-width: 750px;
            margin: 0 auto;
            font-size: 0.9rem;
            line-height: 1.8;
        }

        /* ========== 区块标题头 ========== */
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .section-header h2 {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.8rem;
            background: linear-gradient(90deg, #00ffff, #3333ff);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-header .section-sub {
            color: var(--gray);
            font-size: 0.9rem;
            background: rgba(30, 41, 59, 0.4);
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            border: 1px solid rgba(64, 115, 250, 0.15);
        }

        /* ---------- 内容切换面板 ---------- */
        .content-panel {
            display: none;
            animation: fadeInUp 0.5s ease;
        }
        .content-panel.active {
            display: block;
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ---------- 产品网格 (卡片) ---------- */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 2rem;
            margin-top: 0.5rem;
        }

        .product-card {
            background: rgba(30, 41, 59, 0.5);
            backdrop-filter: blur(12px);
            border-radius: 24px;
            padding: 1.8rem 1.8rem 2rem;
            border: 1px solid rgba(64, 115, 250, 0.2);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .product-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent);
            box-shadow: 0 20px 48px rgba(0, 201, 255, 0.12);
        }
        .product-card::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, var(--primary), transparent, var(--accent));
            z-index: -1;
            border-radius: 26px;
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .product-card:hover::before { opacity: 0.5; }

        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 0.8rem;
        }
        .card-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .card-title i { color: var(--accent); font-size: 1.4rem; width: 2rem; }

        .demo-link {
            background: rgba(0, 201, 255, 0.12);
            border-radius: 40px;
            padding: 0.2rem 1.2rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            white-space: nowrap;
            transition: all 0.2s;
            border: 1px solid transparent;
        }
        .demo-link:hover { background: var(--accent); color: #0f172a; border-color: var(--accent); }
        .demo-link.disabled { background: rgba(100, 116, 139, 0.15); color: #64748b; pointer-events: none; }

        .tech-stack {
            font-size: 0.7rem;
            background: rgba(0, 201, 255, 0.08);
            padding: 0.15rem 1rem;
            border-radius: 30px;
            color: var(--accent);
            display: inline-block;
            margin: 0.3rem 0 0.8rem 0;
            font-weight: 500;
            align-self: flex-start;
            border: 1px solid rgba(0, 201, 255, 0.1);
        }
        .tech-stack i { margin-right: 5px; }

        .product-desc {
            color: #cbd5e1;
            font-size: 0.95rem;
            margin: 0.2rem 0 0.8rem 0;
            flex: 1;
            line-height: 1.6;
        }
        .product-desc strong { color: #fff; }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 8px;
            margin: 0.3rem 0 1rem 0;
        }
        .feature-tags span {
            background: rgba(30, 41, 59, 0.7);
            padding: 0.1rem 0.9rem;
            border-radius: 40px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--gray);
            border: 1px solid rgba(64, 115, 250, 0.15);
        }
        .feature-tags .highlight {
            background: rgba(0, 201, 255, 0.12);
            color: var(--accent);
            border-color: rgba(0, 201, 255, 0.2);
        }

        .card-footer {
            margin-top: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(64, 115, 250, 0.15);
            padding-top: 1rem;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .badge-status {
            background: rgba(0, 217, 165, 0.12);
            color: var(--success);
            padding: 0.15rem 1.2rem;
            border-radius: 60px;
            font-size: 0.7rem;
            font-weight: 600;
        }
        .badge-status i { margin-right: 4px; }
        .badge-coming {
            background: rgba(243, 156, 18, 0.12);
            color: #f39c12;
        }

        .card-footer .action-link {
            color: var(--accent);
            font-weight: 500;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: 0.2s;
        }
        .card-footer .action-link:hover { color: #fff; }
        .card-footer .action-link:hover i { transform: translateX(4px); }

        /* ---------- 生态扩展 ---------- */
        .extra-ai-systems {
            margin-top: 3.5rem;
            background: rgba(30, 41, 59, 0.3);
            backdrop-filter: blur(10px);
            border-radius: 40px;
            padding: 2rem 2.5rem 2.5rem;
            border: 1px solid rgba(64, 115, 250, 0.15);
        }
        .extra-ai-systems h2 {
            font-size: 1.6rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 14px;
            color: #fff;
        }
        .extra-ai-systems h2 i { color: var(--accent); background: rgba(0, 201, 255, 0.1); padding: 0.4rem; border-radius: 60px; }
        .extra-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem 1.5rem;
            margin-top: 1.5rem;
        }
        .extra-item {
            background: rgba(30, 41, 59, 0.5);
            border-radius: 100px;
            padding: 0.4rem 1.6rem 0.4rem 1rem;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid rgba(64, 115, 250, 0.15);
            transition: all 0.2s;
            font-weight: 500;
            color: #cbd5e1;
            font-size: 0.9rem;
            cursor: default;
        }
        .extra-item i { color: var(--accent); font-size: 1rem; width: 1.6rem; }
        .extra-item:hover {
            background: rgba(0, 201, 255, 0.1);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        /* ========== 技术支持面板 (联系方式) ========== */
        .support-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.8rem;
            margin: 1.5rem 0 2rem;
        }
        .support-card {
            background: rgba(30, 41, 59, 0.5);
            backdrop-filter: blur(12px);
            border-radius: 20px;
            padding: 1.8rem 1.5rem;
            text-align: center;
            border: 1px solid rgba(64, 115, 250, 0.2);
            transition: all 0.3s ease;
        }
        .support-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
            box-shadow: 0 12px 32px rgba(0, 201, 255, 0.08);
        }
        .support-card i {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 0.8rem;
        }
        .support-card h3 {
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
            color: #fff;
        }
        .support-card p, .support-card a {
            color: #cbd5e1;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .support-card a:hover { color: var(--accent); }
        .support-card .qr-code {
            max-width: 140px;
            margin: 0.5rem auto;
            display: block;
            border-radius: 12px;
            border: 1px solid rgba(64, 115, 250, 0.2);
        }
        .support-card .qr-label {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-top: 0.3rem;
        }

        /* ========== 文章区域 ========== */
        .articles-section {
            margin: 3rem auto 1.5rem;
            padding: 1.5rem 0;
        }
        .articles-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .articles-header h2 {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.8rem;
            background: linear-gradient(90deg, #00ffff, #3333ff);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .category-filter {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .category-btn {
            background: rgba(20, 20, 50, 0.5);
            border: 1px solid rgba(100, 100, 200, 0.25);
            border-radius: 30px;
            padding: 0.3rem 1.2rem;
            color: #a0a0e0;
            font-size: 0.8rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .category-btn:hover {
            background: rgba(0, 201, 255, 0.15);
            color: #fff;
            border-color: var(--accent);
        }
        .category-btn.active {
            background: linear-gradient(90deg, #1b939f, #3333ff);
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 20px rgba(100, 100, 255, 0.2);
        }

        .articles-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.8rem;
        }
        .article-card {
            background: rgba(30, 30, 60, 0.4);
            border-radius: 20px;
            overflow: hidden;
            transition: all 0.4s ease;
            border: 1px solid rgba(100, 100, 200, 0.15);
            backdrop-filter: blur(10px);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 48px rgba(0, 201, 255, 0.08);
            border-color: rgba(0, 201, 255, 0.3);
        }
        .article-image {
            height: 180px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }
        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .article-card:hover .article-image img { transform: scale(1.06); }
        .article-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            padding: 0.15rem 0.9rem;
            border-radius: 30px;
            font-size: 0.65rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        .article-content {
            padding: 1.3rem 1.5rem 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #e8e8ff;
            line-height: 1.4;
            margin-bottom: 0.6rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-content p {
            color: #a0a0d0;
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #8888bb;
            font-size: 0.75rem;
            padding-top: 0.8rem;
            border-top: 1px solid rgba(100, 100, 200, 0.1);
        }
        .article-meta i { margin-right: 4px; color: var(--accent); }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 500;
            font-size: 0.8rem;
            transition: all 0.3s ease;
        }
        .read-more:hover { color: #fff; }
        .read-more:hover i { transform: translateX(6px); }
        .articles-footer {
            text-align: center;
            margin-top: 2rem;
        }
        .view-all-btn {
            display: inline-block;
            background: rgba(20, 20, 50, 0.5);
            border: 1px solid rgba(100, 100, 200, 0.25);
            border-radius: 50px;
            padding: 0.6rem 2rem;
            color: #a0a0e0;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        .view-all-btn:hover {
            background: linear-gradient(90deg, var(--primary), var(--accent));
            color: white;
            border-color: transparent;
            box-shadow: 0 0 30px rgba(100, 100, 255, 0.2);
            transform: translateY(-2px);
        }

        /* ---------- 页脚 ---------- */
        .footer-note {
            margin-top: 2.5rem;
            text-align: center;
            color: #64748b;
            font-size: 0.8rem;
            border-top: 1px solid rgba(64, 115, 250, 0.15);
            padding-top: 1.5rem;
            padding-bottom: 0.5rem;
        }
        .footer-note i { color: var(--accent); }
        .footer-note .brand-dot { color: var(--accent); font-weight: 700; margin: 0 4px; }

        /* ---------- 响应式 ---------- */
        @media (max-width: 768px) {
            .container { padding: 0 0 1.5rem; }
            .content-panel,.page-title,.articles-section,.footer-note {padding: 0 15px 2rem;}
            .footer-note {padding-top: 1.5rem;}
            .brand-header { flex-direction: column; align-items: flex-start; gap: 1rem; padding: 16px 0; }
            .logo { height: 44px; }
            .logo::before { left: 81%; width: 4px; height: 4px; }
            @keyframes orbit {
                0% { transform: translateX(-50%) rotate(0deg) translate(14px) rotate(0deg); }
                100% { transform: translateX(-50%) rotate(360deg) translate(14px) rotate(-360deg); left: 81%; }
            }
            .header-contact .btn-main { padding: 8px 20px; font-size: 0.75rem; }
            .page-title p { font-size: 0.95rem; }
            .product-grid { grid-template-columns: 1fr; }
            .extra-grid { grid-template-columns: 1fr 1fr; }
            .extra-ai-systems { padding: 1.5rem; }
            .articles-header { flex-direction: column; align-items: flex-start; }
            .articles-container { grid-template-columns: 1fr; }
            .section-header { flex-direction: column; align-items: flex-start; }
            .section-header h2 { font-size: 1.4rem; }
            .support-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 480px) {
            .extra-grid { grid-template-columns: 1fr; }
            .support-grid { grid-template-columns: 1fr; }
            .card-title { font-size: 1.1rem; }
            .articles-header h2 { font-size: 1.3rem; }
        }

        .wow { visibility: hidden; }
        
        /* 头部区域装饰 */
        .header {
            height: 75px !important;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
            margin-bottom: 60px;
                overflow: hidden;
    background: url(/img/head.png) top center no-repeat;
    background-size: cover;
        }
        .header-title {
            position: absolute;
            top: 5px !important;
            left: 50%;
            transform: translateX(-50%);
            font-size: 32px !important;
            font-weight: 800;
            letter-spacing: 2px;
            padding: 0 5%;
            z-index: 2;
        }
        #load {
            width: 100%;
            height: 100%;
            position: absolute;
            opacity: 0.5;
            top: 0;
            left: 0;
            z-index: 0;
        }
        #load .load_img {
            position: absolute;
            left: 0;
            top: -10px;
        }
        .load_img img {
            position: absolute;
            left: 0;
            top: 0;
            height: 100px;
        }
        .load_img .jzxz1 { animation: xz1 8s infinite linear; }
        .load_img .jzxz2 { animation: xz2 7s infinite linear; }
        @keyframes xz1 {
            from { transform: rotate(0deg) }
            50% { transform: rotate(180deg) }
            to { transform: rotate(360deg) }
        }
        @keyframes xz2 {
            from { transform: rotate(0deg) }
            50% { transform: rotate(-180deg) }
            to { transform: rotate(-360deg) }
        }