* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a0e17;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #00b4ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffaa00;
            text-shadow: 0 0 5px rgba(255, 170, 0, 0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #121928 0%, #0a0e17 100%);
            padding: 1.2rem 0;
            border-bottom: 2px solid #1a3a5f;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00b4ff, #ffaa00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
        }
        .logo a:hover {
            filter: brightness(1.2);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(0, 180, 255, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #00b4ff;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #a0a0a0;
        }
        .breadcrumb a:not(:last-child)::after {
            content: "›";
            margin: 0 8px;
            color: #00b4ff;
        }
        main {
            padding: 2.5rem 0;
            min-height: 80vh;
        }
        article {
            background: rgba(18, 25, 40, 0.8);
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #1a3a5f;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #ffffff;
            text-align: center;
            background: linear-gradient(90deg, #00b4ff, #ffaa00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2.1rem;
            margin: 2.5rem 0 1.2rem;
            color: #00b4ff;
            border-left: 5px solid #ffaa00;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.6rem;
            margin: 1.8rem 0 1rem;
            color: #ffaa00;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 170, 0, 0.1);
            padding: 1.5rem;
            border-left: 4px solid #ffaa00;
            border-radius: 0 8px 8px 0;
            margin: 1.8rem 0;
        }
        .comparison-table {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .spec-card {
            background: rgba(26, 58, 95, 0.6);
            border-radius: 10px;
            padding: 1.8rem;
            border: 1px solid #00b4ff;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .spec-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 180, 255, 0.3);
        }
        .spec-card h4 {
            color: #00b4ff;
            margin-bottom: 1rem;
            font-size: 1.4rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            border: 2px solid #1a3a5f;
            margin: 1.8rem auto;
            display: block;
            transition: transform 0.4s ease;
        }
        img:hover {
            transform: scale(1.02);
        }
        .functional-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .function-box {
            background: rgba(18, 25, 40, 0.9);
            padding: 2rem;
            border-radius: 10px;
            border: 1px solid #444;
        }
        .function-box h3 {
            margin-top: 0;
            color: #00b4ff;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            background-color: #1a1f2e;
            border: 1px solid #333;
            border-radius: 6px;
            color: #e0e0e0;
            font-size: 1rem;
        }
        button {
            background: linear-gradient(90deg, #00b4ff, #0077cc);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        button:hover {
            background: linear-gradient(90deg, #ffaa00, #ff6600);
            transform: scale(1.05);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffaa00;
        }
        .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.2rem;
            margin: 3rem 0;
            padding: 2rem;
            background: rgba(18, 25, 40, 0.9);
            border-radius: 10px;
        }
        .web-link a {
            display: block;
            padding: 0.8rem;
            background: rgba(26, 58, 95, 0.6);
            border-radius: 6px;
            text-align: center;
            transition: background 0.3s ease;
        }
        .web-link a:hover {
            background: rgba(0, 180, 255, 0.3);
        }
        footer {
            text-align: center;
            padding: 2rem;
            border-top: 2px solid #1a3a5f;
            color: #a0a0a0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #121928;
                padding: 1.5rem;
                border-top: 2px solid #1a3a5f;
                z-index: 999;
            }
            #nav-toggle:checked ~ .nav-links {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
            .functional-section {
                grid-template-columns: 1fr;
            }
            .comparison-table {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .comparison-table {
                grid-template-columns: repeat(2, 1fr);
            }
        }