:root {
            --primary: rgb(55,65,81);
            --primary-light: #4b5563;
            --primary-dark: #1f2937;
            --accent: #3b82f6;
            --accent-hover: #2563eb;
            --success: #10b981;
            --danger: #ef4444;
            --bg-base: #f9fafb;
            --bg-surface: #ffffff;
            --text-main: #111827;
            --text-muted: #6b7280;
            --border-color: #e5e7eb;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --radius: 8px;
            --radius-lg: 12px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-base);
            color: var(--text-main);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        .logo img {
            display: block;
            height: 40px;
            width: auto;
            max-width: 160px;
            object-fit: contain;
            flex-shrink: 0;
        }
        .logo span {
            display: inline-block;
            font-size: 18px;
            font-weight: 800;
            line-height: 1;
            color: var(--primary);
            white-space: nowrap;
        }

        nav.desktop-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        nav.desktop-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--primary);
        }

        nav.desktop-nav a:hover {
            color: var(--accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background-color: rgba(55,65,81,0.05);
        }

        .btn-primary {
            background-color: var(--accent);
            color: #ffffff;
            border: none;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            box-shadow: var(--shadow-md);
        }

        .burger-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .burger-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--primary);
            margin: 5px 0;
            transition: all 0.2s ease;
        }

        
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.4);
            opacity: 0;
            visibility: hidden;
            z-index: 199;
            transition: all 0.3s ease;
        }

        .drawer {
            position: fixed;
            top: 0;
            left: -300px;
            width: 300px;
            height: 100%;
            background-color: var(--bg-surface);
            box-shadow: var(--shadow-lg);
            z-index: 200;
            display: flex;
            flex-direction: column;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .drawer.active {
            left: 0;
        }

        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .drawer-header {
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .close-btn {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text-muted);
        }

        .drawer-menu {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            overflow-y: auto;
            flex: 1;
        }

        .drawer-menu a {
            font-size: 16px;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: 1px solid #f3f4f6;
        }

        .drawer-footer {
            padding: 20px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        
        .hero {
            background-color: var(--primary);
            color: #ffffff;
            padding: 80px 20px 60px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-container {
            max-width: 1000px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            color: #60a5fa;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .hero p.subtitle {
            font-size: 18px;
            color: #d1d5db;
            max-width: 700px;
            margin: 0 auto 36px auto;
        }

        .hero-btns {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-bottom: 50px;
        }

        .hero-dashboard {
            background-color: #111827;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 24px;
            text-align: left;
            overflow: hidden;
        }

        .dashboard-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 16px;
            margin-bottom: 20px;
        }

        .dashboard-title {
            font-size: 14px;
            color: #9ca3af;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .dashboard-dot {
            width: 8px;
            height: 8px;
            background-color: var(--success);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(0.9); opacity: 0.6; }
            50% { transform: scale(1.1); opacity: 1; }
            100% { transform: scale(0.9); opacity: 0.6; }
        }

        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .market-card {
            background-color: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            padding: 16px;
            transition: all 0.3s ease;
        }

        .market-card:hover {
            background-color: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .market-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 10px;
        }

        .market-name {
            font-weight: 700;
            font-size: 15px;
            color: #f3f4f6;
        }

        .market-change {
            font-size: 12px;
            font-weight: 600;
        }

        .market-change.up { color: var(--success); }
        .market-change.down { color: var(--danger); }

        .market-price {
            font-size: 24px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .market-chart {
            height: 40px;
        }

        
        .features {
            padding: 80px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

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

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
        }

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

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .feature-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px 30px;
            transition: all 0.3s ease;
        }

        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background-color: rgba(55,65,81,0.05);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 24px;
        }

        .feature-item h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary);
        }

        .feature-item p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.6;
        }

        
        .steps-section {
            background-color: #f3f4f6;
            padding: 80px 20px;
        }

        .steps-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .step-card {
            background: var(--bg-surface);
            border-radius: var(--radius);
            padding: 30px 24px;
            position: relative;
            box-shadow: var(--shadow-sm);
        }

        .step-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 48px;
            font-weight: 900;
            color: rgba(55,65,81,0.08);
            line-height: 1;
        }

        .step-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--primary);
            position: relative;
            z-index: 2;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        
        .news-section {
            padding: 80px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .article-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }

        .article-card:hover {
            box-shadow: var(--shadow-md);
        }

        .article-img {
            height: 200px;
            overflow: hidden;
            background-color: #e5e7eb;
            position: relative;
        }

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

        .article-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background-color: var(--primary);
            color: #ffffff;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .article-content {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .article-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            font-size: 12px;
            color: var(--text-muted);
        }

        
        .cta-banner {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: #ffffff;
            padding: 80px 20px;
            text-align: center;
            position: relative;
        }

        .cta-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .cta-banner h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .cta-banner p {
            font-size: 18px;
            color: #d1d5db;
            margin-bottom: 36px;
        }

        
        footer {
            background-color: #111827;
            color: #9ca3af;
            padding: 80px 20px 30px 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
            font-size: 14px;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-brand .logo {
            margin-bottom: 20px;
        }
        .footer-brand .logo span {
            color: #ffffff;
        }

        .footer-brand p {
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .footer-col h5 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
        }

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

        .footer-col ul li a:hover {
            color: #ffffff;
        }

        .footer-disclaimer {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 30px;
            text-align: center;
            font-size: 12px;
            line-height: 1.8;
            color: #6b7280;
        }

        .footer-disclaimer p {
            max-width: 1000px;
            margin: 0 auto 16px auto;
        }

        
        @media (max-width: 1024px) {
            .hero h1 { font-size: 36px; }
            .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            nav.desktop-nav, .header-actions .btn-outline { display: none; }
            .burger-btn { display: block; }
            .hero-btns { flex-direction: column; width: 100%; max-width: 320px; margin-left: auto; margin-right: auto; }
            .hero-btns .btn { width: 100%; }
            .footer-container { grid-template-columns: 1fr; gap: 30px; }
            .features-grid, .steps-grid, .news-grid { grid-template-columns: 1fr; }
            .dashboard-grid { grid-template-columns: 1fr; }
        }