* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a0a2a;
            color: #f0f0f0;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #ffcc00;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff9900;
            text-decoration: underline;
        }
        header {
            background: linear-gradient(135deg, #00008b, #000050);
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2.5rem;
            font-weight: 900;
            color: #ffcc00;
            text-shadow: 3px 3px 0 #000, 0 0 10px #ffcc00;
            letter-spacing: 2px;
            font-style: italic;
        }
        .logo a:hover {
            color: #fff;
            text-shadow: 3px 3px 0 #000, 0 0 20px #ffcc00;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav a:hover {
            background-color: #ffcc00;
            color: #000;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #ffcc00;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 0.8rem 2rem;
            background-color: #1a1a3a;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #ffcc00;
        }
        main {
            flex: 1;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            width: 100%;
        }
        article {
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 3.2rem;
            color: #ffcc00;
            margin-bottom: 1.5rem;
            text-align: center;
            text-shadow: 2px 2px 4px #000;
            border-bottom: 3px solid #ffcc00;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.5rem;
            color: #00aaff;
            margin: 2.5rem 0 1.5rem;
            padding-left: 0.5rem;
            border-left: 5px solid #00aaff;
        }
        h3 {
            font-size: 2rem;
            color: #ff66cc;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.5rem;
            color: #66ff99;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 204, 0, 0.1);
            border-left: 4px solid #ffcc00;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 0.5rem;
        }
        .feature-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            border: 5px solid #ffcc00;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.7);
            transition: transform 0.3s ease;
        }
        .feature-image:hover {
            transform: scale(1.02);
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .form-box {
            background: linear-gradient(145deg, #1a1a3a, #0a0a2a);
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
            border: 1px solid #333;
        }
        .form-box h3 {
            color: #ffcc00;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        input, textarea, select {
            padding: 0.9rem;
            border-radius: 8px;
            border: 1px solid #555;
            background-color: #222;
            color: #fff;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #ffcc00;
            box-shadow: 0 0 8px rgba(255, 204, 0, 0.5);
        }
        button {
            padding: 1rem 1.8rem;
            background: linear-gradient(to right, #ffcc00, #ff9900);
            color: #000;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        button:hover {
            background: linear-gradient(to right, #ff9900, #ff6600);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(255, 153, 0, 0.4);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            justify-content: center;
            margin: 1rem 0;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.3s;
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: #ffcc00;
        }
        footer {
            background-color: #000020;
            padding: 2.5rem 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h4 {
            color: #00aaff;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            margin-bottom: 1rem;
            border-radius: 8px;
            border-left: 4px solid #00aaff;
            transition: all 0.3s ease;
        }
        friend-link:hover {
            background-color: rgba(0, 170, 255, 0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #333;
            color: #aaa;
            font-size: 0.95rem;
        }
        .update-time {
            color: #ffcc00;
            font-weight: bold;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            nav ul {
                flex-direction: column;
                display: none;
                width: 100%;
                background-color: #000050;
                padding: 1rem;
                border-radius: 8px;
                margin-top: 1rem;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.7rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            article {
                padding: 1.5rem;
            }
            main {
                padding: 0 1rem;
            }
        }
        @media print {
            body {
                background-color: white;
                color: black;
            }
            .interactive-section, footer, nav, .hamburger {
                display: none;
            }
        }