:root {
            --primary: rgb(59,130,246);
            --primary-glow: rgba(59,130,246,0.15);
            --glacier-blue: #38bdf8;
            --silver-white: #f8fafc;
            --deep-sea-ink: #070d19;
            --deep-sea-light: #0f172a;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --border-color: rgba(255,255,255,0.08);
            --glass-bg: rgba(15, 23, 42, 0.6);
            --glass-border: rgba(255, 255, 255, 0.05);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--deep-sea-ink);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; transition: all 0.3s; }
        img { max-width: 100%; height: auto; }
        
        
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        
        header {
            background: rgba(7, 13, 25, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
        }
        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .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(--silver-white);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-desktop a {
            font-size: 15px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .nav-desktop a:hover, .nav-desktop a.active {
            color: var(--glacier-blue);
        }
        .nav-btn {
            background: linear-gradient(135deg, var(--primary), #1d4ed8);
            color: #fff;
            padding: 10px 24px;
            border-radius: 99px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 14px var(--primary-glow);
        }
        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(59,130,246,0.3);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            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);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1001;
        }
        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: -320px;
            width: 300px;
            height: 100%;
            background: var(--deep-sea-light);
            border-right: 1px solid var(--border-color);
            padding: 24px;
            z-index: 1002;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .mobile-drawer.active {
            left: 0;
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .close-btn {
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 28px;
            cursor: pointer;
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .drawer-nav a {
            font-size: 16px;
            color: var(--text-main);
            padding-bottom: 8px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 50% 20%, rgba(29, 123, 255, 0.15) 0%, transparent 60%);
            position: relative;
            overflow: hidden;
        }
        .hero-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            background: rgba(29, 123, 255, 0.1);
            border: 1px solid rgba(29, 123, 255, 0.3);
            color: #1D7BFF;
            padding: 6px 18px;
            border-radius: 99px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-block;
        }
        .hero-title {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--silver-white);
            max-width: 900px;
            margin-bottom: 20px;
        }
        .hero-title span {
            background: linear-gradient(135deg, #1D7BFF 0%, var(--glacier-blue) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 650px;
            margin-bottom: 40px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            margin-bottom: 80px;
        }
        .btn-primary {
            background: #1D7BFF;
            color: #fff;
            padding: 16px 36px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(29, 123, 255, 0.4);
        }
        .btn-primary:hover {
            background: #0062e3;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--silver-white);
            padding: 16px 36px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            backdrop-filter: blur(8px);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
        }
        
        
        .hero-visual-wrapper {
            position: relative;
            width: 100%;
            max-width: 960px;
            margin: 0 auto;
        }
        .main-visual-panel {
            background: linear-gradient(180deg, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 0.8) 100%);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 30px 60px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
            backdrop-filter: blur(20px);
            min-height: 380px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .visual-logo-effect {
            width: 90px;
            height: 90px;
            border-radius: 24px;
            background: radial-gradient(circle, #1D7BFF 0%, rgba(29,123,255,0) 70%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            position: relative;
            box-shadow: 0 0 40px rgba(29, 123, 255, 0.6);
        }
        .visual-logo-effect svg {
            width: 44px;
            height: 44px;
            fill: #fff;
        }
        .visual-tech-grid {
            text-align: center;
        }
        .visual-tech-grid h3 {
            font-size: 24px;
            color: var(--silver-white);
            margin-bottom: 12px;
        }
        .visual-tech-grid p {
            color: var(--text-muted);
            font-size: 14px;
            max-width: 400px;
        }
        
        
        .floating-card {
            position: absolute;
            background: rgba(15, 23, 42, 0.85);
            border: 1px solid rgba(29, 123, 255, 0.25);
            border-radius: 12px;
            padding: 16px 20px;
            backdrop-filter: blur(12px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            display: flex;
            align-items: center;
            gap: 14px;
            width: 230px;
            text-align: left;
            transition: all 0.3s ease;
        }
        .floating-card:hover {
            transform: translateY(-5px);
            border-color: #1D7BFF;
            box-shadow: 0 15px 40px rgba(29, 123, 255, 0.2);
        }
        .fc-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(29, 123, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--glacier-blue);
            flex-shrink: 0;
        }
        .fc-info h4 {
            font-size: 14px;
            color: var(--silver-white);
            margin-bottom: 2px;
        }
        .fc-info p {
            font-size: 11px;
            color: var(--text-muted);
        }
        
        
        .fc-01 { top: -20px; left: -60px; }
        .fc-02 { top: -20px; right: -60px; }
        .fc-03 { bottom: -20px; left: -60px; }
        .fc-04 { bottom: -20px; right: -60px; }

        
        .trust-line {
            padding: 40px 0;
            background: rgba(15, 23, 42, 0.3);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
        }
        .trust-title {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        .trust-grid {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 60px;
            flex-wrap: wrap;
        }
        .trust-item {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .trust-item span {
            color: var(--glacier-blue);
        }

        
        .features {
            padding: 100px 0;
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--silver-white);
            margin-bottom: 16px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .feature-card {
            background: var(--deep-sea-light);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 40px;
            transition: all 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            border-color: rgba(29, 123, 255, 0.3);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        .feat-icon {
            width: 56px;
            height: 56px;
            border-radius: 10px;
            background: rgba(29, 123, 255, 0.1);
            color: #1D7BFF;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }
        .feature-card h3 {
            font-size: 20px;
            color: var(--silver-white);
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-muted);
        }

        
        .articles-sec {
            padding: 100px 0;
            background: rgba(15, 23, 42, 0.4);
        }
        .art-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }
        .art-card {
            background: var(--deep-sea-light);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }
        .art-card:hover {
            transform: translateY(-5px);
            border-color: rgba(29, 123, 255, 0.3);
        }
        .art-img-wrap {
            position: relative;
            padding-bottom: 56.25%;
            overflow: hidden;
            background: #1e293b;
        }
        .art-img-wrap img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .art-content {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .art-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .art-meta .tag {
            color: var(--glacier-blue);
            font-weight: 600;
        }
        .art-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--silver-white);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .art-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .art-footer {
            margin-top: auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 16px;
        }
        .art-more {
            color: #1D7BFF;
            font-weight: 600;
        }

        
        .cta {
            padding: 100px 0;
            text-align: center;
            background: radial-gradient(circle at 50% 50%, rgba(29, 123, 255, 0.1) 0%, transparent 60%);
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.9) 100%);
            border: 1px solid rgba(29, 123, 255, 0.2);
            border-radius: 20px;
            padding: 60px 40px;
            max-width: 900px;
            margin: 0 auto;
            backdrop-filter: blur(12px);
        }
        .cta h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--silver-white);
            margin-bottom: 16px;
        }
        .cta p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        
        footer {
            background: #040912;
            border-top: 1px solid var(--border-color);
            padding: 80px 0 30px;
            color: var(--text-muted);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 60px;
        }
        .footer-brand {
            grid-column: span 2;
        }
        .footer-brand p {
            margin-top: 16px;
            max-width: 320px;
            line-height: 1.6;
        }
        .footer-col h4 {
            color: var(--silver-white);
            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 a:hover {
            color: var(--glacier-blue);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer-links {
            display: flex;
            gap: 24px;
        }

        
        @media (max-width: 1024px) {
            .hero-title { font-size: 42px; }
            .floating-card { display: none; }
            .main-visual-panel { min-height: 280px; }
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .menu-toggle { display: block; }
            .hero-title { font-size: 32px; }
            .hero-subtitle { font-size: 15px; }
            .hero-buttons { flex-direction: column; width: 100%; max-width: 300px; }
            .btn-primary, .btn-secondary { width: 100%; text-align: center; }
            .section-header h2 { font-size: 28px; }
            .cta h2 { font-size: 28px; }
            .footer-brand { grid-column: span 1; }
        }