:root {
            --rfq3-primary: #0066cc;
            --rfq3-primary-dark: #004a99;
            --rfq3-accent: #ff9900;
            --rfq3-bg-light: #f8fafc;
            --rfq3-text-dark: #1e293b;
            --rfq3-text-muted: #64748b;
            --rfq3-border: #e2e8f0;
            --rfq3-white: #ffffff;
            --rfq3-glass: rgba(255, 255, 255, 0.9);
            --rfq3-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
            --rfq3-kbd-bg: #f1f5f9;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--rfq3-text-dark);
            background-color: var(--rfq3-bg-light);
            word-break: break-word;
            overflow-x: hidden;
        }

        /* Layout Container */
        .rfq3-container {
            width: 92vw;
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Typography */
        h1, h2, h3 {
            line-height: 1.3;
            color: var(--rfq3-text-dark);
            margin-bottom: 1.5rem;
            font-weight: 800;
            white-space: normal;
        }

        h1 { font-size: clamp(2rem, 4vw + 1rem, 3.5rem); }
        h2 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.2rem); border-left: 6px solid var(--rfq3-primary); padding-left: 16px; }
        p { font-size: clamp(1rem, 0.5vw + 0.8rem, 1.15rem); margin-bottom: 1.2rem; }

        /* Navigation */
        .rfq3-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--rfq3-glass);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--rfq3-border);
            transition: all 0.3s ease;
        }

        .rfq3-nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            flex-wrap: wrap;
        }

        .rfq3-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .rfq3-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .rfq3-menu {
            display: flex;
            list-style: none;
            gap: 12px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .rfq3-menu li {
            min-width: 0;
        }

        .rfq3-menu a {
            text-decoration: none;
            color: var(--rfq3-text-dark);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.2s;
        }

        .rfq3-menu a:hover {
            background: rgba(0, 102, 204, 0.1);
            color: var(--rfq3-primary);
        }

        .rfq3-menu a.rfq3-active {
            background: var(--rfq3-primary);
            color: var(--rfq3-white);
        }

        /* Hero Section */
        .rfq3-hero {
            padding: 160px 0 80px;
            background: radial-gradient(circle at top right, #e0f2fe 0%, #f8fafc 60%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .rfq3-hero-badge {
            display: inline-block;
            background: var(--rfq3-white);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--rfq3-primary);
            box-shadow: var(--rfq3-shadow);
            margin-bottom: 24px;
        }

        .rfq3-hero-content {
            max-width: 850px;
            margin: 0 auto;
            min-width: 0;
        }

        .rfq3-hero h1 span {
            color: var(--rfq3-primary);
        }

        /* Shortcut Grid Section */
        .rfq3-shortcut-section {
            padding: 80px 0;
        }

        .rfq3-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .rfq3-card {
            background: var(--rfq3-white);
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--rfq3-border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            min-width: 0;
        }

        .rfq3-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--rfq3-shadow);
        }

        .rfq3-card h3 {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.4rem;
            margin-bottom: 24px;
            color: var(--rfq3-primary-dark);
        }

        .rfq3-shortcut-list {
            list-style: none;
        }

        .rfq3-shortcut-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px dashed var(--rfq3-border);
            min-width: 0;
        }

        .rfq3-shortcut-item:last-child {
            border-bottom: none;
        }

        .rfq3-key-label {
            color: var(--rfq3-text-muted);
            font-size: 0.95rem;
            flex: 1;
            padding-right: 16px;
        }

        .rfq3-kbd-group {
            display: flex;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: flex-end;
            min-width: 0;
        }

        kbd {
            background: var(--rfq3-kbd-bg);
            border: 1px solid #cbd5e1;
            border-radius: 4px;
            padding: 2px 8px;
            font-family: 'Consolas', monospace;
            font-size: 0.85rem;
            box-shadow: 0 2px 0 #cbd5e1;
            color: var(--rfq3-text-dark);
            font-weight: 700;
        }

        /* Technical Specs Section */
        .rfq3-specs-section {
            padding: 96px 0;
            background: #111827;
            color: var(--rfq3-white);
            border-radius: 40px 40px 0 0;
        }

        .rfq3-specs-section h2 {
            color: var(--rfq3-white);
            border-color: var(--rfq3-accent);
        }

        .rfq3-specs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 64px;
        }

        .rfq3-spec-item {
            min-width: 0;
            background: rgba(255, 255, 255, 0.03);
            padding: 32px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .rfq3-spec-tag {
            color: var(--rfq3-accent);
            text-transform: uppercase;
            font-size: 0.8rem;
            letter-spacing: 2px;
            margin-bottom: 12px;
            display: block;
        }

        .rfq3-spec-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .rfq3-spec-desc {
            font-size: 0.95rem;
            color: #94a3b8;
            line-height: 1.6;
        }

        /* Call to Action */
        .rfq3-cta {
            padding: 80px 0;
            text-align: center;
            background: var(--rfq3-primary);
            color: var(--rfq3-white);
        }

        .rfq3-btn {
            display: inline-block;
            background: var(--rfq3-accent);
            color: var(--rfq3-white);
            padding: 16px 48px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            font-size: 1.1rem;
            transition: all 0.3s;
            margin-top: 24px;
            box-shadow: 0 4px 15px rgba(255, 153, 0, 0.3);
        }

        .rfq3-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(255, 153, 0, 0.5);
        }

        /* Footer */
        .rfq3-footer {
            padding: 64px 0 32px;
            background: var(--rfq3-white);
            border-top: 1px solid var(--rfq3-border);
            text-align: center;
        }

        .rfq3-footer-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--rfq3-primary);
            margin-bottom: 16px;
        }

        .rfq3-copyright {
            color: var(--rfq3-text-muted);
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .rfq3-menu {
                justify-content: center;
                margin-top: 10px;
            }
            .rfq3-nav-wrapper {
                height: auto;
                padding: 15px 0;
            }
            .rfq3-hero {
                padding-top: 200px;
            }
        }

        @media (max-width: 768px) {
            .rfq3-grid, .rfq3-specs-grid {
                grid-template-columns: 1fr;
            }
            .rfq3-shortcut-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .rfq3-kbd-group {
                justify-content: flex-start;
            }
        }