:root {
            --primary-color: #1D7BFF;
            --primary-glow: rgba(29, 123, 255, 0.15);
            --bg-dark: rgb(32, 33, 36);
            --bg-deep: #0a1128;
            --bg-card: rgba(255, 255, 255, 0.03);
            --border-color: rgba(255, 255, 255, 0.08);
            --text-main: #f3f4f6;
            --text-muted: #9ca3af;
            --text-white: #ffffff;
            --max-width: 1200px;
        }

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

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

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

        
        header {
            background: rgba(32, 33, 36, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .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-white);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        nav.desktop-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

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

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

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

        .btn-download-top {
            background: linear-gradient(135s, #1D7BFF 0%, #0052cc 100%);
            color: var(--text-white);
            padding: 8px 20px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 12px rgba(29, 123, 255, 0.25);
        }

        .btn-download-top:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(29, 123, 255, 0.35);
        }

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

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

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

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: -320px;
            width: 300px;
            height: 100vh;
            background: var(--bg-dark);
            border-right: 1px solid var(--border-color);
            z-index: 200;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 32px;
            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;
        }

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

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

        .drawer-nav a {
            font-size: 16px;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        
        .hero-layout-01 {
            position: relative;
            background: radial-gradient(circle at 50% 30%, var(--bg-deep) 0%, var(--bg-dark) 100%);
            padding: 100px 20px 80px 20px;
            text-align: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-layout-01::before {
            content: '';
            position: absolute;
            top: 15%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(29, 123, 255, 0.12) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-container {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(29, 123, 255, 0.08);
            border: 1px solid rgba(29, 123, 255, 0.25);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero-title span {
            background: linear-gradient(135deg, #fff 30%, #a5caff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: clamp(16px, 2.5vw, 19px);
            color: var(--text-muted);
            max-width: 650px;
            margin: 0 auto 40px auto;
            line-height: 1.7;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, #1D7BFF 0%, #0052cc 100%);
            color: var(--text-white);
            padding: 14px 32px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 8px 24px rgba(29, 123, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(29, 123, 255, 0.45);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            color: var(--text-white);
            padding: 14px 32px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 16px;
            backdrop-filter: blur(5px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        
        .home-banner-wrapper {
            margin-bottom: 40px;
        }

        
        .visual-dock {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }

        .main-visual-panel {
            background: linear-gradient(180deg, rgba(29, 123, 255, 0.05) 0%, rgba(10, 17, 40, 0.8) 100%);
            border: 1px solid rgba(29, 123, 255, 0.15);
            border-radius: 16px;
            height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .main-visual-panel::after {
            content: '';
            position: absolute;
            width: 150%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(29, 123, 255, 0.4), transparent);
            top: 20%;
            animation: radar 4s infinite linear;
        }

        .visual-core {
            z-index: 2;
            text-align: center;
        }

        .visual-core .icon-glow {
            font-size: 48px;
            color: var(--primary-color);
            text-shadow: 0 0 20px rgba(29, 123, 255, 0.6);
            margin-bottom: 12px;
        }

        .visual-core h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-white);
        }

        .surrounding-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .float-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 16px;
            text-align: left;
            transition: all 0.3s ease;
        }

        .float-card:hover {
            border-color: rgba(29, 123, 255, 0.3);
            background: rgba(29, 123, 255, 0.02);
            transform: translateY(-4px);
        }

        .float-card .num {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 4px;
        }

        .float-card .title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .float-card .desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        
        .trust-strip {
            padding: 24px 20px;
            background: rgba(10, 17, 40, 0.3);
            border-bottom: 1px solid var(--border-color);
        }

        .trust-container {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 20px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .trust-item strong {
            color: var(--text-white);
        }

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

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

        .section-title {
            font-size: clamp(24px, 4vw, 32px);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
        }

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

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            border-color: rgba(29, 123, 255, 0.3);
            background: rgba(29, 123, 255, 0.02);
            transform: translateY(-5px);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--primary-glow);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-size: 22px;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }

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

        
        .article-section {
            background: rgba(10, 17, 40, 0.15);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

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

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

        .article-card:hover {
            transform: translateY(-4px);
            border-color: rgba(29, 123, 255, 0.2);
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }

        .article-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background-color: rgba(255,255,255,0.05);
        }

        .article-body {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .article-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .article-summary {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.5;
            flex-grow: 1;
        }

        .article-footer {
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .article-tags {
            font-size: 11px;
            background: rgba(255,255,255,0.05);
            padding: 3px 8px;
            border-radius: 4px;
            color: var(--primary-color);
        }

        .read-more {
            font-size: 12px;
            color: var(--primary-color);
            font-weight: 600;
        }

        
        footer {
            background: #060913;
            border-top: 1px solid var(--border-color);
            padding: 60px 20px 30px 20px;
        }

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

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

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

        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            border-top: 1px solid var(--border-color);
            padding-top: 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
            color: var(--text-muted);
        }

        @keyframes radar {
            0% { top: 0%; opacity: 0; }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% { top: 100%; opacity: 0; }
        }

        
        @media (max-width: 968px) {
            .grid-3, .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            nav.desktop-nav, .header-actions {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .surrounding-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3, .article-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }