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

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
            background: #F9F8F4;
            color: #1A262F;
        }

        .header {
            background: rgba(249, 248, 244, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #EAE5DC;
            position: sticky;
            top: 0;
            z-index: 50;
        }

        .nav-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #1E3A5F;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            font-weight: 500;
            color: #4A5A6E;
            transition: 0.2s;
        }

        .nav-links a.active, .nav-links a:hover {
            color: #E86A4F;
        }

        .page-header {
            text-align: center;
            margin: 3rem auto 2rem;
            padding: 0 2rem;
        }

        .page-header h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #1E3A5F;
            letter-spacing: -0.02em;
        }

        .page-header p {
            color: #5A6E7F;
            margin-top: 0.5rem;
        }

        .platform-container {
            max-width: 1100px;
            margin: 2rem auto 4rem;
            padding: 0 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .platform-row {
            background: white;
            border-radius: 1.5rem;
            border: 1px solid #EAE5DC;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.8rem;
            transition: all 0.2s;
        }

        .platform-row:hover {
            border-color: #E86A4F40;
            box-shadow: 0 8px 20px rgba(0,0,0,0.04);
            transform: translateX(4px);
        }

        .platform-info {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }

        .platform-icon {
            font-size: 2.2rem;
            width: 3rem;
            text-align: center;
        }

        .platform-details h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.2rem;
        }

        .platform-details .version {
            font-size: 0.8rem;
            color: #8D9AAA;
        }

        .download-btn {
            background: #E86A4F;
            color: white;
            border: none;
            padding: 0.6rem 1.6rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            display: inline-block;
            transition: 0.2s;
        }

        .download-btn:hover {
            background: #D45A3E;
            transform: translateY(-1px);
        }

        .linux-note {
            background: #F3F1EA;
            border-radius: 1rem;
            padding: 1rem 1.8rem;
            margin-top: 1rem;
            text-align: center;
            font-size: 0.85rem;
            color: #5A6E7F;
        }

        .features-compact {
            max-width: 1100px;
            margin: 3rem auto;
            padding: 2rem;
            background: white;
            border-radius: 1.5rem;
            border: 1px solid #EAE5DC;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            text-align: center;
        }

        .feature-item {
            padding: 0.5rem;
        }

        .feature-item span {
            font-size: 1.5rem;
            display: block;
            margin-bottom: 0.3rem;
        }

        .cta-download {
            background: #1E3A5F;
            border-radius: 1.5rem;
            max-width: 900px;
            margin: 2rem auto 3rem;
            padding: 2rem;
            text-align: center;
            color: white;
        }

        .footer {
            background: #F9F8F4;
            border-top: 1px solid #EAE5DC;
            margin-top: 3rem;
        }

        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 3rem 2rem 2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .footer-col a {
            display: block;
            color: #6B7A8A;
            text-decoration: none;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }

        .footer-col a:hover {
            color: #E86A4F;
        }

        .copyright {
            text-align: center;
            padding: 1.5rem;
            font-size: 0.8rem;
            color: #8D9AAA;
            border-top: 1px solid #EAE5DC;
        }

        @media (max-width: 680px) {
            .platform-row {
                flex-direction: column;
                text-align: center;
                gap: 1rem;
            }
            .platform-info {
                flex-direction: column;
            }
            .nav-links {
                gap: 1rem;
            }
            .page-header h1 {
                font-size: 2rem;
            }
        }