/* CSS Reset & Variable Definition */
        :root {
            --primary: #0052FF;       /* 电光蓝 */
            --accent: #00E676;        /* 极光绿 */
            --dark: #0A0F1D;          /* 深灰黑 */
            --dark-light: #1A2138;    /* 次级深灰 */
            --light: #F4F6FB;         /* 浅色基底 */
            --white: #FFFFFF;
            --text-main: #1D2129;     /* 深色正文 */
            --text-muted: #86909C;    /* 辅助文字 */
            --glow: 0 0 20px rgba(0, 82, 255, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Layout Container */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Typography */
        h1, h2, h3, h4 {
            color: var(--dark);
            font-weight: 700;
        }

        h2 {
            font-size: 2.2rem;
            text-align: center;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 10px auto 0;
        }

        .section-padding {
            padding: 100px 0;
        }

        /* Header & Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 82, 255, 0.15);
        }

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

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

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

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 24px;
            align-items: center;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), #0037B3);
            color: var(--white) !important;
            padding: 8px 20px;
            border-radius: 4px;
            font-weight: 600;
            transition: var(--transition);
        }

        .nav-btn:hover {
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.3);
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }

        /* Hero Section (No Images) */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(0, 82, 255, 0.05) 0%, rgba(0, 230, 118, 0.03) 90.1%), var(--white);
            padding: 160px 0 100px;
            text-align: center;
            border-bottom: 1px solid rgba(0, 82, 255, 0.08);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .hero-badge {
            background: rgba(0, 82, 255, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            display: inline-block;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.25;
            max-width: 900px;
            margin: 0 auto 24px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 40px;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-main {
            background: var(--primary);
            color: var(--white);
            text-decoration: none;
            padding: 14px 32px;
            border-radius: 4px;
            font-weight: 600;
            font-size: 1.05rem;
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.35);
            transition: var(--transition);
        }

        .btn-main:hover {
            background: #0037B3;
            transform: translateY(-2px);
        }

        .btn-sub {
            background: var(--dark);
            color: var(--white);
            text-decoration: none;
            padding: 14px 32px;
            border-radius: 4px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
        }

        .btn-sub:hover {
            background: #1A2138;
            transform: translateY(-2px);
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 60px;
        }

        .stat-card {
            background: var(--white);
            padding: 30px 20px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid rgba(0, 82, 255, 0.1);
            transition: var(--transition);
        }

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

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 600;
        }

        /* Capability Cards */
        .capabilities-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .cap-card {
            background: var(--white);
            padding: 40px 30px;
            border-radius: 8px;
            border: 1px solid rgba(0, 82, 255, 0.1);
            transition: var(--transition);
        }

        .cap-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 82, 255, 0.08);
            border-color: var(--accent);
        }

        .cap-icon {
            width: 50px;
            height: 50px;
            background: rgba(0, 82, 255, 0.1);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            color: var(--primary);
            font-size: 1.5rem;
        }

        .cap-card h3 {
            margin-bottom: 14px;
            font-size: 1.3rem;
        }

        .cap-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Platform Support Grid */
        .platform-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 900px;
            margin: 40px auto 0;
        }

        .platform-tag {
            background: var(--white);
            color: var(--dark);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid rgba(0, 82, 255, 0.1);
            transition: var(--transition);
        }

        .platform-tag:hover {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        /* Process Steps Timeline */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 40px auto 0;
            padding: 20px 0;
        }

        .timeline-item {
            display: flex;
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-step {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
            z-index: 2;
        }

        .timeline-content {
            margin-left: 24px;
            background: var(--white);
            padding: 24px;
            border-radius: 8px;
            border: 1px solid rgba(0, 82, 255, 0.1);
            width: 100%;
        }

        .timeline-content h3 {
            margin-bottom: 8px;
            font-size: 1.15rem;
        }

        .timeline-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Showcase Section */
        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .showcase-card {
            background: var(--white);
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid rgba(0, 82, 255, 0.1);
            transition: var(--transition);
        }

        .showcase-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0, 82, 255, 0.1);
        }

        .showcase-media {
            width: 100%;
            height: 200px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #EAEFFC;
        }

        .showcase-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .showcase-info {
            padding: 20px;
        }

        .showcase-info h3 {
            margin-bottom: 8px;
            font-size: 1.15rem;
        }

        .showcase-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Review / Comparison Table */
        .review-section {
            background: var(--white);
            border-radius: 12px;
            padding: 50px 40px;
            border: 1px solid rgba(0, 82, 255, 0.12);
            box-shadow: 0 20px 40px rgba(0, 82, 255, 0.05);
        }

        .rating-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .rating-num {
            font-size: 4rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .rating-stars {
            font-size: 1.5rem;
            color: #FFB703;
        }

        .rating-label {
            font-size: 1.1rem;
            color: var(--text-main);
            font-weight: 600;
        }

        .comparison-table-wrapper {
            width: 100%;
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(0, 82, 255, 0.1);
        }

        .comparison-table th {
            background: rgba(0, 82, 255, 0.05);
            font-weight: 700;
            color: var(--dark);
        }

        .comparison-table tr:hover {
            background: rgba(0, 82, 255, 0.02);
        }

        .highlight-col {
            background: rgba(0, 82, 255, 0.02);
            font-weight: 600;
            color: var(--primary);
        }

        /* Token Price Reference */
        .token-price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .price-card {
            background: var(--white);
            border-radius: 8px;
            padding: 30px;
            border: 1px solid rgba(0, 82, 255, 0.1);
            position: relative;
            overflow: hidden;
        }

        .price-card.popular {
            border-color: var(--primary);
            box-shadow: var(--glow);
        }

        .price-card.popular::after {
            content: "最受欢迎";
            position: absolute;
            top: 15px;
            right: -30px;
            background: var(--primary);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: bold;
            padding: 4px 30px;
            transform: rotate(45deg);
        }

        .price-card h3 {
            margin-bottom: 15px;
            font-size: 1.25rem;
        }

        .price-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .price-num span {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .price-features {
            list-style: none;
            margin-bottom: 24px;
        }

        .price-features li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-main);
            border-bottom: 1px solid rgba(0, 82, 255, 0.05);
        }

        .price-btn {
            display: block;
            text-align: center;
            background: var(--dark);
            color: var(--white);
            text-decoration: none;
            padding: 10px 20px;
            border-radius: 4px;
            font-weight: 600;
            transition: var(--transition);
        }

        .price-btn:hover {
            background: var(--primary);
        }

        /* Training Sections */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .training-card {
            background: var(--white);
            padding: 40px;
            border-radius: 8px;
            border: 1px solid rgba(0, 82, 255, 0.1);
        }

        .training-badge {
            background: rgba(0, 230, 118, 0.1);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 16px;
        }

        .training-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .training-list {
            list-style: none;
            margin-top: 20px;
        }

        .training-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 10px;
            font-size: 0.95rem;
        }

        .training-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--white);
            padding: 30px;
            border-radius: 8px;
            border: 1px solid rgba(0, 82, 255, 0.1);
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .user-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .user-info h4 {
            font-size: 1rem;
            margin-bottom: 2px;
        }

        .user-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .testimonial-text {
            color: var(--text-main);
            font-size: 0.95rem;
            font-style: italic;
        }

        /* Forms */
        .form-section-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .form-info h3 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }

        .form-info p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .contact-form {
            background: var(--white);
            padding: 40px;
            border-radius: 12px;
            border: 1px solid rgba(0, 82, 255, 0.1);
            box-shadow: 0 15px 35px rgba(0, 82, 255, 0.05);
        }

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

        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(0, 82, 255, 0.15);
            border-radius: 6px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.1);
        }

        .submit-btn {
            background: var(--primary);
            color: var(--white);
            border: none;
            width: 100%;
            padding: 14px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .submit-btn:hover {
            background: #0037B3;
        }

        /* FAQs Accordion */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid rgba(0, 82, 255, 0.1);
            border-radius: 6px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-icon {
            font-weight: normal;
            transition: var(--transition);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 82, 255, 0.01);
        }

        .faq-body-inner {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-body {
            max-height: 200px;
        }

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

        /* Articles / Knowledge Base */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .article-card {
            background: var(--white);
            border-radius: 8px;
            border: 1px solid rgba(0, 82, 255, 0.1);
            overflow: hidden;
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .article-meta {
            padding: 20px 20px 10px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .article-title {
            padding: 0 20px 15px;
            font-size: 1.1rem;
            font-weight: 700;
        }

        .article-title a {
            text-decoration: none;
            color: var(--dark);
            transition: var(--transition);
        }

        .article-title a:hover {
            color: var(--primary);
        }

        .article-footer {
            padding: 15px 20px 20px;
            border-top: 1px solid rgba(0, 82, 255, 0.05);
        }

        .article-link {
            text-decoration: none;
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 600;
        }

        /* Footer & Links */
        footer {
            background-color: var(--dark);
            color: #C1C9D2;
            padding: 80px 0 30px;
            border-top: 5px solid var(--primary);
        }

        footer h4 {
            color: var(--white);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 2fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-logo img {
            max-height: 40px;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: #C1C9D2;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-contact p {
            margin-bottom: 10px;
            font-size: 0.9rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.85rem;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .friend-links a {
            color: #86909C;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* Floating QR Code Window */
        .floating-kefu {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            background: var(--white);
            border: 2px solid var(--primary);
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            text-align: center;
            width: 140px;
            transition: var(--transition);
        }

        .floating-kefu img {
            width: 100px;
            height: 100px;
            display: block;
            margin: 0 auto 8px;
        }

        .floating-kefu span {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .capabilities-grid, .showcase-grid, .testimonial-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-section-wrapper {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem !important;
            }
            h2 {
                font-size: 1.8rem;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--white);
                padding: 20px;
                border-bottom: 1px solid rgba(0, 82, 255, 0.15);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .stats-grid, .capabilities-grid, .showcase-grid, .testimonial-grid, .articles-grid, .token-price-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .floating-kefu {
                display: none; /* Hide on small devices to prevent blocking content */
            }
        }