:root {
            --okx-primary: #00c3ff;
            --okx-primary-dark: #0099cc;
            --okx-secondary: #6c757d;
            --okx-success: #00e676;
            --okx-danger: #ff3d71;
            --okx-warning: #ffaa00;
            --okx-info: #00d0ff;
            --okx-dark: #0f172a;
            --okx-darker: #0a1120;
            --okx-light: #f8f9fa;
            --okx-gradient: linear-gradient(135deg, #00c3ff 0%, #0088ff 100%);
        }
        
        body {
            font-family: 'Roboto', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--okx-darker);
            color: white;
            line-height: 1.7;
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Orbitron', sans-serif;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        
        .okx-header {
            background-color: rgba(15, 23, 42, 0.9);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 195, 255, 0.1);
        }
        
        .okx-logo {
            height: 60px;
            filter: brightness(1) invert(1);
        }
        
        .okx-nav-link {
            color: rgba(255, 255, 255, 0.8) !important;
            font-weight: 500;
            margin: 0 12px;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .okx-nav-link:hover {
            color: var(--okx-primary) !important;
        }
        
        .okx-nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--okx-gradient);
            transition: width 0.3s ease;
        }
        
        .okx-nav-link:hover::after {
            width: 100%;
        }
        
        .okx-hero {
            background: url('../images/13033eb3b566801c33790c9a808b947d.jpeg') no-repeat center center;
            background-size: cover;
            position: relative;
            padding: 120px 0;
            overflow: hidden;
        }
        
        .okx-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(10, 17, 32, 0.9) 0%, rgba(0, 100, 148, 0.6) 100%);
        }
        
        .okx-hero-content {
            position: relative;
            z-index: 1;
        }
        
        .okx-hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(to right, #fff 0%, var(--okx-primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .okx-hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 40px;
            opacity: 0.9;
            max-width: 700px;
        }
        
        .okx-download-card {
            background: rgba(15, 23, 42, 0.7);
            border-radius: 16px;
            border: 1px solid rgba(0, 195, 255, 0.1);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            transition: all 0.4s ease;
            overflow: hidden;
            position: relative;
            z-index: 1;
        }
        
        .okx-download-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 195, 255, 0.05) 0%, rgba(0, 136, 255, 0.05) 100%);
            z-index: -1;
        }
        
        .okx-download-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 195, 255, 0.2);
            border-color: rgba(0, 195, 255, 0.3);
        }
        
        .okx-platform-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            background: var(--okx-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .okx-feature-icon {
            font-size: 1.8rem;
            background: var(--okx-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-right: 15px;
        }
        
        .okx-download-btn {
            padding: 12px 24px;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s ease;
            border: none;
            background: var(--okx-gradient);
            color: white;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .okx-download-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--okx-primary-dark) 0%, #0066cc 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: -1;
        }
        
        .okx-download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 195, 255, 0.3);
        }
        
        .okx-download-btn:hover::before {
            opacity: 1;
        }
        
        .okx-qrcode {
            width: 160px;
            height: 160px;
            background-color: white;
            padding: 12px;
            border-radius: 12px;
            margin: 20px auto;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .okx-section-title {
            position: relative;
            display: inline-block;
            margin-bottom: 50px;
        }
        
        .okx-section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--okx-gradient);
            border-radius: 2px;
        }
        
        .okx-feature-card {
            background: rgba(15, 23, 42, 0.7);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(0, 195, 255, 0.1);
            transition: all 0.4s ease;
            height: 100%;
        }
        
        .okx-feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 195, 255, 0.1);
            border-color: rgba(0, 195, 255, 0.3);
            background: rgba(15, 23, 42, 0.9);
        }
        
        .okx-stats-item {
            background: rgba(15, 23, 42, 0.7);
            border-radius: 16px;
            padding: 40px 30px;
            border: 1px solid rgba(0, 195, 255, 0.1);
            text-align: center;
            transition: all 0.4s ease;
        }
        
        .okx-stats-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 195, 255, 0.1);
            border-color: rgba(0, 195, 255, 0.3);
        }
        
        .okx-stats-number {
            font-size: 3rem;
            font-weight: 800;
            background: var(--okx-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 10px;
            line-height: 1;
        }
        
        .okx-testimonial-card {
            background: rgba(15, 23, 42, 0.7);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(0, 195, 255, 0.1);
            transition: all 0.4s ease;
            height: 100%;
        }
        
        .okx-testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 195, 255, 0.1);
            border-color: rgba(0, 195, 255, 0.3);
        }
        
        .okx-testimonial-avatar {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--okx-primary);
        }
        
        .okx-accordion-item {
            background: rgba(15, 23, 42, 0.7);
            border: 1px solid rgba(0, 195, 255, 0.1);
            border-radius: 12px !important;
            margin-bottom: 15px;
            overflow: hidden;
        }
        
        .okx-accordion-button {
            background: transparent !important;
            color: white !important;
            font-weight: 600;
            padding: 20px !important;
            box-shadow: none !important;
        }
        
        .okx-accordion-button:not(.collapsed) {
            color: var(--okx-primary) !important;
            background: rgba(0, 195, 255, 0.05) !important;
        }
        
        .okx-accordion-button::after {
            filter: brightness(0) invert(1);
        }
        
        .okx-accordion-body {
            padding: 20px !important;
            background: rgba(0, 0, 0, 0.2);
        }
        
        .okx-footer {
            background: linear-gradient(135deg, #0a1120 0%, #0f172a 100%);
            padding: 80px 0 30px;
            position: relative;
            overflow: hidden;
        }
        
        .okx-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgwLCAxOTUsIDI1NSwgMC4wMykiLz48L3BhdHRlcm4+PC9kZWZzPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9InVybCgjcGF0dGVybikiLz48L3N2Zz4=');
            opacity: 0.5;
        }
        
        .okx-footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            margin-bottom: 10px;
        }
        
        .okx-footer-links a:hover {
            color: var(--okx-primary);
            transform: translateX(5px);
        }
        
        .okx-social-icon {
            font-size: 1.5rem;
            color: white;
            margin-right: 20px;
            transition: all 0.3s ease;
            display: inline-block;
        }
        
        .okx-social-icon:hover {
            color: var(--okx-primary);
            transform: translateY(-5px);
        }
        
        .okx-glowing-dots {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
            z-index: -1;
        }
        
        .okx-dot {
            position: absolute;
            width: 6px;
            height: 6px;
            background-color: var(--okx-primary);
            border-radius: 50%;
            filter: blur(1px);
            opacity: 0.5;
            animation: float 15s infinite linear;
        }
        
        @keyframes float {
            0% {
                transform: translateY(0) translateX(0);
            }
            50% {
                transform: translateY(-100px) translateX(50px);
            }
            100% {
                transform: translateY(0) translateX(0);
            }
        }
        
        .okx-cta-section {
            background: linear-gradient(135deg, #0066cc 0%, #0044aa 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        
        .okx-cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
        }
        
        .okx-app-screenshot {
            border-radius: 20px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            transition: all 0.5s ease;
            border: 1px solid rgba(0, 195, 255, 0.3);
        }
        
        .okx-app-screenshot:hover {
            transform: perspective(1000px) rotateY(10deg) rotateX(5deg) scale(1.05);
            box-shadow: 0 30px 60px rgba(0, 195, 255, 0.2);
        }
        
        .okx-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(0, 195, 255, 0.1);
            border: 1px solid rgba(0, 195, 255, 0.3);
            color: var(--okx-primary);
            padding: 6px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        .okx-badge i {
            margin-right: 5px;
        }
        
        .okx-tab-content {
            background: rgba(15, 23, 42, 0.7);
            border-radius: 0 0 16px 16px;
            border: 1px solid rgba(0, 195, 255, 0.1);
            border-top: none;
            padding: 30px;
        }
        
        .okx-tab-nav {
            border: none;
            gap: 10px;
        }
        
        .okx-tab-link {
            background: rgba(15, 23, 42, 0.7) !important;
            border: 1px solid rgba(0, 195, 255, 0.1) !important;
            color: rgba(255, 255, 255, 0.8) !important;
            border-radius: 12px 12px 0 0 !important;
            padding: 12px 24px !important;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .okx-tab-link.active {
            background: rgba(0, 195, 255, 0.1) !important;
            border-color: rgba(0, 195, 255, 0.3) !important;
            color: var(--okx-primary) !important;
        }
        
        @media (max-width: 992px) {
            .okx-hero-title {
                font-size: 2.5rem;
            }
            
            .okx-hero-subtitle {
                font-size: 1.2rem;
            }
            
            .okx-platform-icon {
                font-size: 2.5rem;
            }
        }
        
        @media (max-width: 768px) {
            .okx-hero-title {
                font-size: 2rem;
            }
            
            .okx-hero-subtitle {
                font-size: 1rem;
            }
            
            .okx-footer-links a {
                margin-bottom: 8px;
            }
        }