:root {
            --primary-color: #1D7BFF; 
            --accent-color: rgb(52,199,89); 
            --bg-dark: #0B192C; 
            --bg-light: #F5F7FA; 
            --text-dark: #1E293B;
            --text-light: #F8FAFC;
            --border-color: rgba(255,255,255,0.1);
            --border-light: #E2E8F0;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

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

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

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

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

        
        header {
            background-color: var(--bg-dark);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
        }

        .header-container {
            max-width: var(--max-width);
            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: 20px;
            font-weight: 800;
            line-height: 1;
            color: var(--text-light);
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 4px;
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary-color);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: var(--transition);
            transform: translateX(-50%);
        }

        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 24px;
            cursor: pointer;
        }

        
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            z-index: 998;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

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

        .drawer-nav {
            position: fixed;
            top: 0;
            left: -300px;
            width: 300px;
            height: 100%;
            background-color: var(--bg-dark);
            z-index: 999;
            box-shadow: 4px 0 20px rgba(0,0,0,0.5);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            padding: 24px;
        }

        .drawer-nav.active {
            left: 0;
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
        }

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

        .drawer-menu {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .drawer-link {
            color: var(--text-light);
            font-size: 18px;
            font-weight: 500;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .drawer-link:hover {
            color: var(--primary-color);
            padding-left: 8px;
        }

        
        .hero {
            position: relative;
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 100px 20px 140px;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(29,123,255,0.15) 0%, rgba(11,25,44,0) 60%);
            pointer-events: none;
            z-index: 1;
        }

        .hero-container {
            max-width: var(--max-width);
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .hero-tag {
            display: inline-block;
            background-color: rgba(29, 123, 255, 0.15);
            border: 1px solid rgba(29, 123, 255, 0.3);
            color: var(--primary-color);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-title span {
            background: linear-gradient(135deg, #FFF 0%, var(--primary-color) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 700px;
            margin: 0 auto 36px;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-primary {
            background-color: var(--accent-color);
            color: var(--text-light);
            border: none;
            box-shadow: 0 4px 14px rgba(52,199,89,0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(52,199,89,0.6);
            filter: brightness(1.1);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--text-light);
            border: 1px solid rgba(255,255,255,0.2);
        }

        .btn-secondary:hover {
            background-color: rgba(255,255,255,0.05);
            border-color: var(--primary-color);
        }

        
        .hero-display-wrapper {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            padding-top: 40px;
        }

        .hero-main-panel {
            background: linear-gradient(180deg, rgba(30,41,59,0.8) 0%, rgba(15,23,42,0.95) 100%);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
            position: relative;
            z-index: 2;
        }

        
        .mock-chart {
            width: 100%;
            height: 280px;
            border-radius: 8px;
            background-color: #0c1524;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 16px;
            border: 1px solid rgba(255,255,255,0.05);
        }

        .chart-header {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255,255,255,0.4);
        }

        .chart-body {
            flex-grow: 1;
            position: relative;
            display: flex;
            align-items: flex-end;
            gap: 4px;
            padding-top: 20px;
        }

        .chart-bar {
            flex-grow: 1;
            background: linear-gradient(360deg, rgba(29,123,255,0.1) 0%, var(--primary-color) 100%);
            border-radius: 2px 2px 0 0;
            height: 50%;
            animation: grow 2s ease-out infinite alternate;
        }

        @keyframes grow {
            0% { height: 30%; }
            100% { height: 85%; }
        }

        .chart-line {
            position: absolute;
            width: 100%;
            height: 2px;
            background-color: var(--accent-color);
            top: 40%;
            left: 0;
            box-shadow: 0 0 10px var(--accent-color);
        }

        .hero-float-card {
            position: absolute;
            background: rgba(11, 25, 44, 0.9);
            border: 1px solid rgba(29, 123, 255, 0.3);
            border-radius: 12px;
            padding: 16px;
            width: 180px;
            text-align: left;
            box-shadow: 0 10px 25px rgba(0,0,0,0.3);
            backdrop-filter: blur(10px);
            z-index: 3;
            transition: var(--transition);
        }

        .hero-float-card:hover {
            transform: scale(1.05);
            border-color: var(--accent-color);
        }

        .hero-float-card .icon-wrap {
            color: var(--accent-color);
            font-size: 24px;
            margin-bottom: 8px;
        }

        .hero-float-card h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-light);
        }

        .hero-float-card p {
            font-size: 12px;
            color: rgba(255,255,255,0.6);
        }

        
        .card-top-left { top: 10px; left: -90px; }
        .card-top-right { top: 10px; right: -90px; }
        .card-bottom-left { bottom: 30px; left: -110px; }
        .card-bottom-right { bottom: 30px; right: -110px; }

        
        .stats-strip {
            background-color: var(--bg-light);
            padding: 30px 20px;
            border-bottom: 1px solid var(--border-light);
        }

        .stats-container {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--bg-dark);
            margin-bottom: 4px;
        }

        .stat-item p {
            font-size: 14px;
            color: #64748B;
        }

        
        .section-padding {
            padding: 80px 20px;
        }

        .section-title-wrap {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 50px;
        }

        .section-tag {
            color: var(--primary-color);
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
            display: block;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--bg-dark);
        }

        .section-desc {
            color: #64748B;
            margin-top: 12px;
        }

        
        .features-grid {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .feature-card {
            background: #FFF;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 40px 30px;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border-color: var(--primary-color);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(29, 123, 255, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-size: 24px;
            margin-bottom: 24px;
        }

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

        .feature-card p {
            color: #64748B;
            font-size: 15px;
        }

        
        .articles-section {
            background-color: var(--bg-light);
        }

        .articles-grid {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .article-card {
            background: #FFF;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.08);
        }

        .article-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            background-color: #E2E8F0;
            overflow: hidden;
        }

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

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

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

        .article-meta {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: #94A3B8;
            margin-bottom: 12px;
        }

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

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

        .article-desc {
            font-size: 14px;
            color: #64748B;
            margin-bottom: 20px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-footer {
            margin-top: auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }

        .article-tags {
            display: flex;
            gap: 6px;
        }

        .tag-pill {
            background-color: var(--bg-light);
            color: #64748B;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
        }

        .read-more-btn {
            font-size: 14px;
            color: var(--primary-color);
            font-weight: 600;
        }

        
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #102A43 100%);
            color: var(--text-light);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-container {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

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

        .cta-desc {
            font-size: 18px;
            color: rgba(255,255,255,0.7);
            margin-bottom: 36px;
        }

        
        footer {
            background-color: #070F1E;
            color: rgba(255,255,255,0.6);
            padding: 80px 20px 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

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

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .footer-brand .logo span {
            color: #FFF;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.6;
            color: rgba(255,255,255,0.5);
        }

        .footer-links-group h3 {
            color: #FFF;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 24px;
        }

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

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

        .footer-links-group ul li a {
            font-size: 14px;
        }

        .footer-links-group ul li a:hover {
            color: var(--primary-color);
            padding-left: 4px;
        }

        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
        }

        .footer-info {
            display: flex;
            gap: 24px;
        }

        
        @media (max-width: 992px) {
            .hero-float-card {
                display: none; 
            }
            .hero-title {
                font-size: 36px;
            }
            .features-grid, .articles-grid, .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .features-grid, .articles-grid, .footer-container {
                grid-template-columns: 1fr;
            }
            .stats-container {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-main-panel {
                padding: 15px;
            }
            .mock-chart {
                height: 200px;
            }
        }

        @media (max-width: 480px) {
            .stats-container {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }