:root {
            --bg-dark: #08090c;
            --card-bg: #121420;
            --text-main: #f3f4f6;
            --text-muted: #9ca3af;
            --primary: #00ffcc; /* 荧光青 */
            --secondary: #bd00ff; /* 荧光紫 */
            --accent: #39ff14; /* 荧光绿 */
            --glow: 0 0 15px rgba(0, 255, 204, 0.4);
            --glow-sec: 0 0 15px rgba(189, 0, 255, 0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-main);
        }

        body {
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* Container */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Utility Styles */
        .glow-text {
            color: var(--primary);
            text-shadow: var(--glow);
        }
        
        .glow-text-sec {
            color: var(--secondary);
            text-shadow: var(--glow-sec);
        }

        .gradient-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #000;
            box-shadow: 0 4px 20px rgba(0, 255, 204, 0.3);
        }

        .gradient-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(189, 0, 255, 0.6);
            color: #fff;
        }

        .outline-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            border: 2px solid var(--primary);
            background: transparent;
            color: var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }

        .outline-btn:hover {
            background: var(--primary);
            color: #000;
            box-shadow: var(--glow);
        }

        /* Section Global */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 15px;
            letter-spacing: 1px;
        }

        .section-header p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 16px;
        }

        /* Header Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 12, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-area img {
            height: 40px;
            width: auto;
        }

        .logo-area span {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .nav-menu a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .nav-menu a:hover {
            color: var(--primary);
        }

        .nav-right-btn {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .menu-toggle span {
            width: 25px;
            height: 2px;
            background-color: var(--text-main);
            transition: var(--transition);
        }

        /* Hero Section (No Image) */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(189, 0, 255, 0.15), transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(0, 255, 204, 0.1), transparent 50%);
            position: relative;
        }

        .hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(0, 255, 204, 0.3);
            border-radius: 50px;
            font-size: 14px;
            color: var(--primary);
            margin-bottom: 25px;
            box-shadow: var(--glow);
        }

        .hero-content h1 {
            font-size: 42px;
            line-height: 1.3;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 30%, var(--primary) 70%, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        /* Data Index Cards (Hero bottom) */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .data-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            transition: var(--transition);
        }

        .data-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: var(--glow);
        }

        .data-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .data-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* Platform Intro (About) */
        .about-section {
            background: rgba(255, 255, 255, 0.01);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 26px;
            margin-bottom: 20px;
            color: #fff;
            border-left: 4px solid var(--primary);
            padding-left: 15px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

        .about-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 25px;
        }

        .about-tag {
            padding: 6px 12px;
            background: rgba(189, 0, 255, 0.1);
            border: 1px solid rgba(189, 0, 255, 0.3);
            border-radius: 4px;
            font-size: 13px;
            color: var(--text-main);
        }

        /* Services & Modules */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 35px 25px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 255, 204, 0.2);
            box-shadow: 0 10px 30px rgba(0, 255, 204, 0.1);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            font-size: 36px;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: #fff;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* One-stop Production & Showcase */
        .showcase-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .showcase-visual {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .showcase-img-box {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
        }

        .showcase-img-box img {
            width: 100%;
            display: block;
            object-fit: cover;
            transition: var(--transition);
        }

        .showcase-img-box:hover img {
            transform: scale(1.03);
        }

        .showcase-label {
            position: absolute;
            bottom: 15px;
            left: 15px;
            background: rgba(0, 0, 0, 0.75);
            padding: 5px 15px;
            border-radius: 4px;
            font-size: 12px;
            color: var(--primary);
            border-left: 3px solid var(--primary);
        }

        /* Step Timeline */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(-50%);
        }

        .timeline-item {
            margin-bottom: 50px;
            position: relative;
            width: 50%;
            padding: 0 40px;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            top: 10px;
            right: -8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: var(--glow);
            z-index: 1;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
        }

        .timeline-item:nth-child(even)::after {
            left: -8px;
        }

        .timeline-content {
            background: var(--card-bg);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .timeline-step {
            font-size: 12px;
            color: var(--secondary);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .timeline-content h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .timeline-content p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* Comparison Table */
        .comparison-table-wrapper {
            overflow-x: auto;
            background: var(--card-bg);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        th, td {
            padding: 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        th {
            font-weight: 600;
            color: var(--text-main);
            font-size: 15px;
        }

        td {
            font-size: 14px;
            color: var(--text-muted);
        }

        tr:last-child td {
            border-bottom: none;
        }

        .highlight-col {
            color: var(--primary);
            font-weight: 600;
        }

        .badge-star {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 12px;
            background: rgba(57, 255, 20, 0.1);
            color: var(--accent);
            border: 1px solid rgba(57, 255, 20, 0.3);
        }

        /* Form styling */
        .form-section {
            background: radial-gradient(circle at 10% 90%, rgba(0, 255, 204, 0.08), transparent 40%);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .form-container {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.3);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            color: var(--text-main);
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            background: rgba(255, 255, 255, 0.03);
            border: 1.5px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            color: #fff;
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 8px rgba(0, 255, 204, 0.3);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300ffcc' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 15px center;
            background-size: 16px;
        }

        /* Token Price Section */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .token-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            transition: var(--transition);
        }

        .token-card:hover {
            border-color: var(--secondary);
            transform: translateY(-3px);
            box-shadow: var(--glow-sec);
        }

        .token-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .token-price {
            font-size: 24px;
            color: var(--accent);
            font-weight: 800;
            margin: 15px 0;
        }

        .token-desc {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Training section */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .training-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
        }

        .training-card:hover {
            background: var(--card-bg);
            border-color: var(--primary);
        }

        .training-badge {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(0, 255, 204, 0.1);
            color: var(--primary);
            border-radius: 4px;
            font-size: 12px;
            margin-bottom: 15px;
        }

        .training-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: #fff;
        }

        .training-card p {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* FAQ Section */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-header h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
        }

        .faq-icon {
            color: var(--primary);
            transition: var(--transition);
            font-size: 20px;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: rgba(0, 0, 0, 0.15);
        }

        .faq-content {
            padding: 20px;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .faq-item.active .faq-body {
            max-height: 300px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* User Testimonials */
        .comment-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 35px;
        }

        .comment-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 30px;
            position: relative;
        }

        .comment-text {
            font-size: 14px;
            color: var(--text-main);
            margin-bottom: 20px;
            font-style: italic;
        }

        .comment-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .author-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #000;
        }

        .author-info h4 {
            font-size: 14px;
            color: #fff;
        }

        .author-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Articles section */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .article-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

        .article-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .article-card h3 {
            font-size: 16px;
            margin-bottom: 15px;
            line-height: 1.5;
        }

        .article-card a {
            color: var(--primary);
            text-decoration: none;
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-card a:hover {
            text-shadow: var(--glow);
        }

        /* Banner block styling */
        .banner-block {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 30px;
        }

        .banner-block img {
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Footer */
        footer {
            background: #040507;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-logo-area img {
            height: 35px;
            margin-bottom: 15px;
        }

        .footer-about {
            margin-bottom: 20px;
        }

        .footer-links-title {
            color: #fff;
            font-weight: 600;
            margin-bottom: 20px;
            font-size: 16px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .qr-codes {
            display: flex;
            gap: 20px;
        }

        .qr-item {
            text-align: center;
            font-size: 12px;
        }

        .qr-item img {
            width: 100px;
            height: 100px;
            border-radius: 6px;
            margin-bottom: 8px;
            background: #fff;
            padding: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .friend-links {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .friend-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
        }

        .friend-links a:hover {
            color: var(--primary);
        }

        /* Floating customer service */
        .floating-service {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .service-trigger {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,0,0,0.5);
            border: none;
            color: #000;
            font-size: 20px;
            transition: var(--transition);
        }

        .service-trigger:hover {
            transform: scale(1.1);
        }

        .service-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            width: 250px;
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            display: none;
        }

        .service-popover.active {
            display: block;
        }

        .service-popover img {
            width: 100%;
            height: auto;
            border-radius: 6px;
            margin-bottom: 10px;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .services-grid, .comment-grid, .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .token-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-dark);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .hero-content h1 {
                font-size: 32px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .about-grid, .showcase-grid, .form-grid {
                grid-template-columns: 1fr;
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 45px;
                padding-right: 0;
            }

            .timeline-item::after {
                left: 12px !important;
            }

            .timeline-item:nth-child(even) {
                left: 0;
            }

            .services-grid, .comment-grid, .training-grid, .token-grid, .articles-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }