:root {
            --primary: #2563eb;
            --primary-hover: #1d4ed8;
            --secondary: #10b981;
            --accent: #f59e0b;
            --dark: #0f172a;
            --light: #f8fafc;
            --gray: #64748b;
            --border: #e2e8f0;
            --white: #ffffff;
            --shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
            --shadow-hover: 0 20px 40px -15px rgba(37, 99, 235, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Common Layout Containers */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 3.5rem auto;
        }

        .section-header h2 {
            font-size: 2.25rem;
            color: var(--dark);
            font-weight: 800;
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--gray);
        }

        section {
            padding: 5rem 0;
            position: relative;
        }

        /* Badges & Buttons */
        .badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(37, 99, 235, 0.08);
            border-radius: 9999px;
            margin-bottom: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #3b82f6);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
        }

        .btn-secondary {
            background-color: var(--white);
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-secondary:hover {
            background-color: rgba(37, 99, 235, 0.05);
            transform: translateY(-2px);
        }

        /* Header / Navigation */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4.5rem;
        }

        .logo-box {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo-box img {
            height: 2.2rem;
            width: auto;
        }

        .nav-menu {
            display: flex;
            gap: 1.5rem;
            list-style: none;
        }

        .nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--dark);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero Section (No Image, Text & Gradients & Grid base) */
        .hero {
            background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
                        var(--white);
            padding: 8rem 0 6rem 0;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(226, 232, 240, 0.3) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(226, 232, 240, 0.3) 1px, transparent 1px);
            background-size: 40px 40px;
            mask-image: radial-gradient(ellipse at center, black, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            max-width: 850px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 10;
        }

        .hero-content h1 {
            font-size: 3rem;
            line-height: 1.25;
            font-weight: 850;
            color: var(--dark);
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--dark) 30%, var(--primary) 70%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-content p {
            font-size: 1.25rem;
            color: var(--gray);
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3.5rem;
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 4rem;
        }

        .stat-card {
            background-color: var(--white);
            border: 1px solid var(--border);
            padding: 1.5rem;
            border-radius: 12px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .stat-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 0.25rem;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--gray);
            font-weight: 500;
        }

        /* Service Cards Section */
        .services-section {
            background-color: var(--white);
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .card {
            background-color: var(--light);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2.25rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .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);
        }

        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(37, 99, 235, 0.15);
            background-color: var(--white);
        }

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

        .card-icon {
            width: 3.5rem;
            height: 3.5rem;
            background-color: rgba(37, 99, 235, 0.08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.75rem;
            margin-bottom: 1.5rem;
            font-weight: bold;
        }

        .card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--dark);
        }

        .card p {
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }

        /* Flow / steps */
        .flow-section {
            background-color: var(--light);
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            position: relative;
        }

        .flow-card {
            background-color: var(--white);
            border: 1px solid var(--border);
            padding: 2rem;
            border-radius: 16px;
            position: relative;
            z-index: 10;
        }

        .flow-card::after {
            content: '→';
            position: absolute;
            top: 50%;
            right: -1.5rem;
            transform: translateY(-50%);
            font-size: 1.5rem;
            color: var(--primary);
            font-weight: bold;
        }

        .flow-card:last-child::after {
            display: none;
        }

        .flow-num {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }

        /* About us / Platform Introduction */
        .about-section {
            background-color: var(--white);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            margin-bottom: 1.25rem;
            color: var(--dark);
        }

        .about-text p {
            color: var(--gray);
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .about-feat-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .about-feat-icon {
            color: var(--secondary);
            font-weight: bold;
        }

        .about-feat-text h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }

        .about-feat-text p {
            font-size: 0.85rem;
            color: var(--gray);
            margin: 0;
        }

        /* Media Container styling */
        .media-container {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border);
        }

        .media-container img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: var(--transition);
        }

        .media-container img:hover {
            transform: scale(1.03);
        }

        /* Showcase / Case Studies Grid */
        .case-section {
            background-color: var(--light);
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .case-card {
            background-color: var(--white);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .case-img-box {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background-color: #f1f5f9;
        }

        .case-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-content {
            padding: 1.5rem;
        }

        .case-tag {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.5rem;
            display: block;
        }

        .case-content h3 {
            font-size: 1.15rem;
            margin-bottom: 0.75rem;
            color: var(--dark);
        }

        .case-content p {
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        /* Tables (Compare & Token Price) */
        .table-section {
            background-color: var(--white);
        }

        .table-wrapper {
            width: 100%;
            overflow-x: auto;
            background-color: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        th, td {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
        }

        th {
            background-color: var(--light);
            font-weight: 700;
            color: var(--dark);
        }

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

        .highlight-col {
            background-color: rgba(37, 99, 235, 0.02);
            font-weight: 600;
        }

        .highlight-cell-header {
            background-color: rgba(37, 99, 235, 0.05) !important;
            color: var(--primary) !important;
        }

        /* Score Badge */
        .score-badge {
            background: linear-gradient(135deg, #f59e0b, #ef4444);
            color: var(--white);
            padding: 0.5rem 1rem;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: bold;
            box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3);
        }

        /* Testimonials Section */
        .review-section {
            background-color: var(--light);
        }

        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .review-card {
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2rem;
            box-shadow: var(--shadow);
            position: relative;
        }

        .review-quote {
            font-size: 0.95rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 10;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 1rem;
            border-top: 1px solid var(--border);
            padding-top: 1rem;
        }

        .review-user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dark);
        }

        .review-user-info p {
            font-size: 0.8rem;
            color: var(--gray);
        }

        /* FAQ Accordions */
        .faq-section {
            background-color: var(--white);
        }

        .faq-grid {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background-color: var(--light);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-trigger {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
        }

        .faq-trigger::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: rgba(37, 99, 235, 0.3);
            background-color: var(--white);
            box-shadow: var(--shadow);
        }

        .faq-item.active .faq-trigger::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-content p {
            padding: 0 1.5rem 1.5rem 1.5rem;
            color: var(--gray);
            font-size: 0.95rem;
            margin: 0;
        }

        /* Terms / Dictionary Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
            margin-top: 2rem;
        }

        .tag-item {
            background-color: var(--white);
            border: 1px solid var(--border);
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            color: var(--dark);
            transition: var(--transition);
        }

        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* Form & Contact Section */
        .contact-section {
            background-color: var(--light);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: start;
        }

        .contact-info-panel {
            background-color: var(--white);
            padding: 3rem;
            border-radius: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .contact-info-panel h3 {
            font-size: 1.75rem;
            margin-bottom: 1.5rem;
        }

        .contact-info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-bottom: 2.5rem;
        }

        .contact-info-list li {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }

        .contact-info-label {
            font-weight: 700;
            color: var(--dark);
            min-width: 80px;
        }

        .contact-info-val {
            color: var(--gray);
        }

        .qr-codes {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            text-align: center;
        }

        .qr-item {
            background-color: var(--light);
            padding: 1rem;
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        .qr-item img {
            width: 100%;
            height: auto;
            border-radius: 6px;
            margin-bottom: 0.5rem;
        }

        .qr-item p {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--dark);
            margin: 0;
        }

        .contact-form-panel {
            background-color: var(--white);
            padding: 3rem;
            border-radius: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border);
            border-radius: 8px;
            background-color: var(--light);
            color: var(--dark);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        /* Floating Widgets */
        .floating-widget {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-hover);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary);
            color: var(--white);
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--white);
            padding: 1.25rem;
            border-radius: 12px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-hover);
            display: none;
            width: 200px;
            text-align: center;
        }

        .qr-popup img {
            width: 100%;
            margin-bottom: 0.5rem;
        }

        .float-btn:hover .qr-popup {
            display: block;
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 4rem 0 2rem 0;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 2fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            font-weight: 700;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-links a:hover {
            color: var(--white);
            padding-left: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            align-items: center;
        }

        .friend-links span {
            color: var(--white);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .friend-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        /* Mobile adaptation (Responsive) */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid, .flow-grid, .case-grid, .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-card::after {
                display: none;
            }
            .about-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 4.5rem;
                left: 0;
                width: 100%;
                background-color: var(--white);
                border-bottom: 1px solid var(--border);
                padding: 1.5rem;
                box-shadow: var(--shadow);
                gap: 1rem;
            }

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

            .menu-toggle {
                display: flex;
            }

            .hero-content h1 {
                font-size: 2.25rem;
            }

            .stats-grid, .card-grid, .flow-grid, .case-grid, .review-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }

            .qr-codes {
                grid-template-columns: 1fr 1fr;
            }
        }