:root {
            --primary-color: rgb(168,85,247);
            --primary-hover: rgb(147,51,234);
            --primary-light: rgba(168,85,247,0.1);
            --primary-glow: rgba(168,85,247,0.2);
            --text-dark: #1f2937;
            --text-gray: #4b5563;
            --text-light: #9ca3af;
            --bg-light: #f9fafb;
            --bg-white: #ffffff;
            --border-color: #e5e7eb;
            --accent-gold: #fbbf24;
        }

        * {
            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: var(--bg-light);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .btn {
            display: inline-flex;
            align-items:center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
            cursor: pointer;
            gap: 8px;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: #fff;
            box-shadow: 0 4px 14px var(--primary-glow);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px var(--primary-glow);
        }

        .btn-outline {
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
            background: transparent;
        }

        .btn-outline:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
        }

        .header-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .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(--primary-color);
            white-space: nowrap;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .desktop-nav a {
            font-weight: 500;
            color: var(--text-gray);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-dark);
            transition: all 0.3s ease;
        }

        
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

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

        .drawer-nav {
            position: fixed;
            top: 0;
            left: -300px;
            width: 300px;
            height: 100%;
            background: var(--bg-white);
            z-index: 2001;
            box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

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

        .drawer-close {
            background: none;
            border: none;
            font-size: 28px;
            cursor: pointer;
            color: var(--text-gray);
        }

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

        .drawer-nav-item {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-gray);
            padding: 10px 0;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .drawer-nav-item:hover {
            color: var(--primary-color);
        }

        .drawer-btn {
            margin-top: auto;
            width: 100%;
            text-align: center;
        }

        
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(168,85,247,0.15) 0%, transparent 50%), var(--bg-white);
            position: relative;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            color: #0f172a;
            margin-bottom: 24px;
        }

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

        .hero-content p {
            font-size: 18px;
            color: var(--text-gray);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
        }

        .hero-visual {
            position: relative;
        }

        .data-card {
            background: #fff;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(168,85,247,0.12);
            border: 1px solid rgba(168,85,247,0.1);
        }

        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 15px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-color);
        }

        .trend-badge {
            background-color: rgba(34, 197, 94, 0.1);
            color: rgb(34, 197, 94);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        .number-pool {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 25px;
        }

        .num-ball {
            width: 45px;
            height: 45px;
            background: radial-gradient(circle at 30% 30%, #fff 0%, var(--primary-color) 100%);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            box-shadow: 0 4px 10px var(--primary-glow);
        }

        .num-ball.blue {
            background: radial-gradient(circle at 30% 30%, #fff 0%, #3b82f6 100%);
            box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
        }

        
        .section-title {
            text-align: center;
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 15px;
            color: #0f172a;
        }

        .section-subtitle {
            text-align: center;
            font-size: 16px;
            color: var(--text-gray);
            margin-bottom: 60px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .features-section {
            padding: 100px 0;
            background-color: var(--bg-light);
        }

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

        .feature-card {
            background-color: var(--bg-white);
            padding: 40px 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(168,85,247,0.08);
            border-color: var(--primary-color);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            color: var(--primary-color);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
            color: #0f172a;
        }

        .feature-card p {
            color: var(--text-gray);
            font-size: 15px;
        }

        
        .articles-section {
            padding: 100px 0;
            background-color: var(--bg-white);
        }

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

        .article-card {
            background: var(--bg-light);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        }

        .article-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .article-body {
            padding: 24px;
        }

        .article-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary-color);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .article-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #0f172a;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            height: 52px;
        }

        .article-desc {
            font-size: 14px;
            color: var(--text-gray);
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            height: 44px;
        }

        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-light);
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-color) 0%, #7c3aed 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

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

        .cta-content p {
            font-size: 18px;
            margin-bottom: 35px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .btn-white {
            background-color: #fff;
            color: var(--primary-color);
        }

        .btn-white:hover {
            background-color: #f3f4f6;
            transform: translateY(-2px);
        }

        
        .site-footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 80px 0 30px;
            border-top: 1px solid #1e293b;
        }

        .footer-container {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 50px;
        }

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

        .footer-desc {
            margin-top: 20px;
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

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

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

        .footer-links a:hover {
            color: var(--primary-color);
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            text-align: center;
            font-size: 14px;
        }

        
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-content {
                text-align: center;
            }
            .hero-content p {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .features-grid, .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .features-grid, .article-grid {
                grid-template-columns: 1fr;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 36px;
            }
        }