* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
        html { scroll-behavior: smooth; }
        body { background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%); color: #f0f0f0; line-height: 1.8; min-height: 100vh; display: flex; flex-direction: column; }
        a { color: #00eeff; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #ff66c4; text-shadow: 0 0 8px rgba(255, 102, 196, 0.5); }
        img { max-width: 100%; height: auto; border-radius: 12px; border: 3px solid #333; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { background: rgba(0, 0, 0, 0.9); backdrop-filter: blur(10px); padding: 20px 0; position: sticky; top: 0; z-index: 1000; border-bottom: 3px solid #ff66c4; }
        .header-content { display: flex; justify-content: space-between; align-items: center; }
        .my-logo { font-size: 2.8rem; font-weight: 900; background: linear-gradient(90deg, #00eeff, #ff66c4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-shadow: 0 0 15px rgba(0, 238, 255, 0.3); }
        .my-logo:hover { transform: scale(1.05); }
        nav ul { display: flex; list-style: none; gap: 30px; }
        nav ul li a { font-size: 1.1rem; padding: 10px 15px; border-radius: 25px; }
        nav ul li a:hover { background: rgba(255, 102, 196, 0.2); }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; color: #00eeff; }
        .breadcrumb { padding: 15px 0; font-size: 0.9rem; color: #aaa; }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #fff; }
        main { flex: 1; padding: 40px 0; }
        article { background: rgba(255, 255, 255, 0.05); border-radius: 20px; padding: 40px; margin-bottom: 40px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }
        h1 { font-size: 3.5rem; color: #ff66c4; text-align: center; margin-bottom: 30px; text-shadow: 0 0 20px rgba(255, 102, 196, 0.7); }
        h2 { font-size: 2.5rem; color: #00eeff; margin: 40px 0 20px; border-left: 5px solid #ff66c4; padding-left: 15px; }
        h3 { font-size: 2rem; color: #ffcc00; margin: 30px 0 15px; }
        h4 { font-size: 1.5rem; color: #66ff99; margin: 20px 0 10px; }
        p { margin-bottom: 25px; font-size: 1.2rem; text-align: justify; }
        strong { color: #ffcc00; font-weight: 900; }
        em { color: #66ff99; font-style: italic; }
        .highlight { background: rgba(255, 204, 0, 0.2); padding: 5px 10px; border-radius: 5px; }
        .image-container { text-align: center; margin: 30px 0; }
        .image-container img { max-width: 800px; box-shadow: 0 10px 20px rgba(0,0,0,0.8); }
        .caption { font-size: 0.9rem; color: #aaa; margin-top: 10px; }
        .function-box { background: rgba(0, 0, 50, 0.6); border-radius: 15px; padding: 25px; margin: 40px 0; border: 2px solid #00eeff; }
        .function-box h3 { color: #00eeff; text-align: center; }
        form { display: grid; gap: 15px; margin-top: 20px; }
        input, textarea, select { width: 100%; padding: 15px; border-radius: 10px; border: 2px solid #333; background: rgba(255,255,255,0.1); color: #fff; font-size: 1rem; }
        input:focus, textarea:focus, select:focus { outline: none; border-color: #00eeff; }
        button { padding: 15px 30px; background: linear-gradient(90deg, #00eeff, #ff66c4); color: #000; border: none; border-radius: 25px; font-size: 1.1rem; font-weight: bold; cursor: pointer; transition: transform 0.3s; }
        button:hover { transform: translateY(-5px); box-shadow: 0 5px 15px rgba(0, 238, 255, 0.5); }
        footer { background: rgba(0, 0, 0, 0.9); padding: 40px 0; text-align: center; border-top: 3px solid #ff66c4; }
        friend-link { display: block; margin: 20px 0; }
        friend-link a { display: inline-block; margin: 0 15px; font-size: 1.2rem; padding: 10px 20px; background: rgba(255,102,196,0.1); border-radius: 10px; }
        .copyright { margin-top: 30px; color: #aaa; font-size: 0.9rem; }
        @media (max-width: 768px) {
            .header-content { flex-direction: column; gap: 20px; }
            nav ul { flex-direction: column; display: none; width: 100%; text-align: center; }
            nav ul.active { display: flex; }
            .hamburger { display: block; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.7rem; }
            p { font-size: 1.1rem; }
            article { padding: 25px; }
        }
        .grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .flex-center { display: flex; justify-content: center; align-items: center; }