:root {
            --primary: rgb(191,90,242);
            --primary-rgb: 191,90,242;
            --glacier-blue: #1D7BFF;
            --glacier-blue-rgb: 29,123,255;
            --deep-sea: #080B11;
            --deep-sea-card: #111622;
            --deep-sea-border: #1E2638;
            --silver-white: #F5F7FA;
            --text-main: #F5F7FA;
            --text-muted: #8F9CAE;
            --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;
            background-color: var(--deep-sea);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 11, 17, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--deep-sea-border);
        }

        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            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: var(--text-main);
            white-space: nowrap;
            letter-spacing: -0.5px;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 32px;
        }

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

        .nav-desktop a:hover, .nav-desktop a.active {
            color: var(--text-main);
        }

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

        .btn-download-nav {
            background: linear-gradient(135deg, var(--glacier-blue), var(--primary));
            color: #fff;
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(29, 123, 255, 0.2);
        }

        .btn-download-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(191, 90, 242, 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);
            z-index: 1001;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .drawer {
            position: fixed;
            top: 0;
            left: -300px;
            width: 300px;
            height: 100%;
            background: var(--deep-sea-card);
            border-right: 1px solid var(--deep-sea-border);
            z-index: 1002;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 32px;
            transition: var(--transition);
        }

        .drawer.open {
            left: 0;
        }

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

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

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

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

        .drawer-nav a {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .drawer-nav a:hover {
            color: var(--text-main);
            padding-left: 8px;
        }

        
        .hero {
            position: relative;
            padding: 160px 24px 100px;
            background: radial-gradient(circle at top, rgba(29, 123, 255, 0.12), rgba(191, 90, 242, 0.08), transparent 60%);
            text-align: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(29, 123, 255, 0.15) 0%, transparent 70%);
            filter: blur(80px);
            z-index: 0;
            pointer-events: none;
        }

        .hero-container {
            position: relative;
            z-index: 1;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(29, 123, 255, 0.1);
            border: 1px solid rgba(29, 123, 255, 0.3);
            color: var(--glacier-blue);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
            backdrop-filter: blur(4px);
        }

        .hero-tag::before {
            content: '';
            display: block;
            width: 6px;
            height: 6px;
            background-color: var(--glacier-blue);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--glacier-blue);
        }

        .hero-title {
            font-size: clamp(32px, 5vw, 64px);
            font-weight: 850;
            line-height: 1.15;
            letter-spacing: -1.5px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--silver-white) 30%, #a5b4fc 70%, var(--glacier-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: clamp(16px, 2vw, 20px);
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 40px;
            line-height: 1.6;
        }

        .hero-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-bottom: 64px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--glacier-blue), var(--primary));
            color: #fff;
            padding: 14px 32px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            box-shadow: 0 8px 30px rgba(29, 123, 255, 0.25);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(191, 90, 242, 0.4);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--deep-sea-border);
            color: var(--text-main);
            padding: 14px 32px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(4px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--text-muted);
        }

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

        .hero-main-panel {
            background: rgba(17, 22, 34, 0.6);
            border: 1px solid rgba(29, 123, 255, 0.2);
            border-radius: 24px;
            padding: 40px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255,255,255,0.05);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            position: relative;
            z-index: 2;
        }

        .panel-grid-svg {
            width: 100%;
            height: auto;
            max-height: 240px;
            opacity: 0.85;
        }

        .hero-float-card {
            position: absolute;
            background: rgba(17, 22, 34, 0.8);
            border: 1px solid var(--deep-sea-border);
            border-radius: 16px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            text-align: left;
            box-shadow: 0 12px 30px rgba(0,0,0,0.3);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            z-index: 3;
            transition: var(--transition);
            width: 220px;
        }

        .hero-float-card:hover {
            transform: translateY(-5px);
            border-color: var(--glacier-blue);
            box-shadow: 0 15px 35px rgba(29, 123, 255, 0.2);
        }

        .card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(29, 123, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--glacier-blue);
            font-size: 18px;
            flex-shrink: 0;
        }

        .card-icon.purple {
            background: rgba(191, 90, 242, 0.15);
            color: var(--primary);
        }

        .card-info h4 {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .card-info p {
            font-size: 16px;
            color: var(--text-main);
            font-weight: 700;
        }

        
        .card-tl { top: 0; left: -80px; }
        .card-tr { top: 0; right: -80px; }
        .card-bl { bottom: 0; left: -80px; }
        .card-br { bottom: 0; right: -80px; }

        
        .trust-bar {
            border-top: 1px solid var(--deep-sea-border);
            border-bottom: 1px solid var(--deep-sea-border);
            background: rgba(17, 22, 34, 0.3);
            padding: 24px 0;
        }

        .trust-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            background: linear-gradient(135deg, #fff, var(--glacier-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        
        .section {
            padding: 100px 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 60px;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--deep-sea-card);
            border: 1px solid var(--deep-sea-border);
            border-radius: 20px;
            padding: 32px;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(191, 90, 242, 0.4);
            box-shadow: 0 12px 30px rgba(191, 90, 242, 0.08);
        }

        .feature-icon-box {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(29, 123, 255, 0.1);
            color: var(--glacier-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 24px;
        }

        .feature-card:nth-child(2) .feature-icon-box {
            background: rgba(191, 90, 242, 0.1);
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

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

        
        .articles-feed-container {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .news-section-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 24px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--deep-sea-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .view-all-link {
            font-size: 14px;
            color: var(--glacier-blue);
            font-weight: 500;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-card-main {
            display: flex;
            gap: 20px;
            background: var(--deep-sea-card);
            border: 1px solid var(--deep-sea-border);
            border-radius: 16px;
            padding: 16px;
            transition: var(--transition);
        }

        .article-card-main:hover {
            border-color: rgba(29, 123, 255, 0.4);
            transform: translateX(4px);
        }

        .article-thumb {
            width: 140px;
            height: 100px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: #151d30;
        }

        .article-details {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-title-main {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .article-title-main:hover {
            color: var(--glacier-blue);
        }

        .article-desc-main {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .article-meta-main {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .article-tag-span {
            color: var(--primary);
            font-weight: 600;
        }

        
        .hot-sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hot-item-small {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .hot-item-small:last-child {
            border-bottom: none;
        }

        .hot-index-num {
            font-size: 18px;
            font-weight: 800;
            color: var(--glacier-blue);
            width: 24px;
        }

        .hot-title-small {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-main);
        }

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

        .hot-meta-small {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        
        .cta-section {
            background: linear-gradient(135deg, rgba(29, 123, 255, 0.1), rgba(191, 90, 242, 0.1));
            border: 1px solid var(--deep-sea-border);
            border-radius: 32px;
            padding: 60px 40px;
            text-align: center;
            margin-bottom: 100px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(191,90,242,0.15) 0%, transparent 80%);
            filter: blur(50px);
            z-index: 0;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-desc {
            color: var(--text-muted);
            max-width: 580px;
            margin: 0 auto 32px;
            font-size: 15px;
        }

        
        .footer {
            background: #05070B;
            border-top: 1px solid var(--deep-sea-border);
            padding: 80px 24px 30px;
        }

        .footer-grid {
            max-width: var(--max-width);
            margin: 0 auto 48px;
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 40px;
        }

        .footer-brand-info {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 320px;
        }

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

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .footer-links a:hover {
            color: var(--glacier-blue);
            padding-left: 4px;
        }

        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-top: 30px;
            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: 13px;
            color: var(--text-muted);
        }

        
        @media (max-width: 1024px) {
            .hero-float-card {
                position: static;
                width: 100%;
                margin-top: 16px;
            }
            .hero-visual-wrapper {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 40px 0 0;
            }
            .hero-main-panel {
                grid-column: span 2;
                margin-bottom: 16px;
            }
            .articles-feed-container {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop, .nav-actions .btn-download-nav {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .hero-visual-wrapper {
                grid-template-columns: 1fr;
            }
            .hero-main-panel {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }