:root {
            --primary: rgb(52,120,246);
            --primary-hover: #155EC2;
            --glacier-blue: #E0F2FE;
            --silver-white: #F9FAFB;
            --deep-sea-ink: #0B0F19;
            --card-bg: #121826;
            --border-color: rgba(255, 255, 255, 0.08);
            --text-light: #F3F4F6;
            --text-gray: #9CA3AF;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        body {
            background-color: var(--deep-sea-ink);
            color: var(--text-light);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(11, 15, 25, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            height: 70px;
            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: 36px;
            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: #ffffff;
            white-space: nowrap;
        }

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

        .nav-menu a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-gray);
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(52, 120, 246, 0.3);
        }

        .btn-outline {
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-light);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--text-light);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 24px;
            cursor: pointer;
        }

        
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            z-index: 199;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

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

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: -300px;
            width: 300px;
            height: 100%;
            background: var(--deep-sea-ink);
            border-right: 1px solid var(--border-color);
            z-index: 200;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 30px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

        .drawer-menu a {
            font-size: 16px;
            color: var(--text-light);
            padding: 8px 0;
        }

        
        .hero {
            position: relative;
            padding: 160px 20px 80px;
            text-align: center;
            background: radial-gradient(circle at top, rgba(29, 123, 255, 0.12) 0%, transparent 60%);
        }

        .hero-layout-01 .hero-header {
            max-width: 800px;
            margin: 0 auto 50px;
        }

        .hero-layout-01 .hero-tagline {
            display: inline-block;
            background: rgba(29, 123, 255, 0.1);
            border: 1px solid rgba(29, 123, 255, 0.2);
            color: #38BDF8;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-layout-01 h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #ffffff 30%, #a5c7f7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-layout-01 .hero-desc {
            font-size: 18px;
            color: var(--text-gray);
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .hero-layout-01 .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 60px;
        }

        .hero-layout-01 .visual-panel {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            background: rgba(18, 24, 38, 0.6);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            backdrop-filter: blur(20px);
            box-shadow: 0 20px 50px rgba(0,0,0,0.4);
        }

        
        .visual-panel-inner {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .chart-placeholder {
            width: 100%;
            height: 240px;
            border-radius: 8px;
            background: rgba(255,255,255,0.02);
            border: 1px dashed rgba(255,255,255,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .chart-glow {
            position: absolute;
            width: 150px;
            height: 150px;
            background: var(--primary);
            filter: blur(80px);
            opacity: 0.3;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        
        .surrounding-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -30px;
            position: relative;
            z-index: 10;
            max-width: 1100px;
            margin-left: auto;
            margin-right: auto;
            padding: 0 20px;
        }

        .floating-card {
            background: rgba(18, 24, 38, 0.9);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            text-align: left;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .floating-card:hover {
            transform: translateY(-5px);
            border-color: rgba(29, 123, 255, 0.4);
            box-shadow: 0 15px 35px rgba(29, 123, 255, 0.15);
        }

        .floating-card .icon-box {
            color: var(--primary);
            font-size: 28px;
            margin-bottom: 16px;
        }

        .floating-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #ffffff;
        }

        .floating-card p {
            font-size: 13px;
            color: var(--text-gray);
            line-height: 1.5;
        }

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

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

        .section-tag {
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            display: inline-block;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: #ffffff;
        }

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

        .feature-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 32px;
            transition: all 0.3s ease;
        }

        .feature-item:hover {
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
        }

        .feature-item-num {
            font-size: 14px;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 20px;
        }

        .feature-item h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #ffffff;
        }

        .feature-item p {
            font-size: 14px;
            color: var(--text-gray);
        }

        
        .article-section {
            background: rgba(255,255,255,0.01);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

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

        .article-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .article-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .article-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #1e293b;
        }

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

        .article-tag {
            align-self: flex-start;
            font-size: 11px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(29, 123, 255, 0.1);
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .article-title {
            font-size: 18px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-desc {
            font-size: 13px;
            color: var(--text-gray);
            margin-bottom: 20px;
            flex-grow: 1;
        }

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

        
        footer {
            background: #060911;
            border-top: 1px solid var(--border-color);
            padding: 80px 20px 40px;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 50px;
            margin-bottom: 60px;
        }

        .footer-brand .logo {
            margin-bottom: 20px;
        }

        .footer-brand p {
            color: var(--text-gray);
            font-size: 14px;
            line-height: 1.6;
        }

        .footer-links h4 {
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: var(--text-gray);
            font-size: 14px;
        }

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

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            border-top: 1px solid var(--border-color);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-gray);
        }

        
        @media (max-width: 1024px) {
            .surrounding-cards {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .features-grid, .articles-container {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-container {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu, .header-actions {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .hero-layout-01 h1 {
                font-size: 32px;
            }
            .surrounding-cards {
                grid-template-columns: 1fr;
            }
            .features-grid, .articles-container {
                grid-template-columns: 1fr;
            }
            .footer-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
        }