* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #f1f1f1;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: #00b4d8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #90e0ef;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(0, 0, 0, 0.9);
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff6b6b, #4ecdc4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo:hover {
            transform: scale(1.05);
            transition: transform 0.3s ease;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 10px 15px;
            border-radius: 8px;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #00b4d8;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a {
            color: #00b4d8;
        }
        main {
            padding: 40px 0;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 20px;
            margin: 20px auto;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        article {
            padding: 0 20px;
        }
        h1 {
            font-size: 3.5rem;
            background: linear-gradient(90deg, #ff9a00, #ff0058);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 30px;
            text-align: center;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.5rem;
            color: #4ecdc4;
            margin: 40px 0 20px;
            border-left: 6px solid #ff6b6b;
            padding-left: 15px;
        }
        h3 {
            font-size: 2rem;
            color: #90e0ef;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.5rem;
            color: #ffd166;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.2rem;
            text-align: justify;
            padding: 0 10px;
        }
        .highlight {
            background: rgba(255, 215, 102, 0.2);
            border-left: 5px solid #ffd166;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 12px 12px 0;
        }
        .emoji {
            font-size: 1.5rem;
            margin-right: 10px;
        }
        .sidebar {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .form-box {
            background: rgba(30, 30, 46, 0.8);
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
        }
        .form-box h3 {
            color: #ff9a00;
            margin-top: 0;
        }
        input, textarea, select, button {
            width: 100%;
            padding: 15px;
            margin: 10px 0;
            border: 2px solid #444;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
        }
        button {
            background: linear-gradient(90deg, #00b4d8, #0077b6);
            color: white;
            font-weight: bold;
            cursor: pointer;
            border: none;
            transition: all 0.3s ease;
        }
        button:hover {
            background: linear-gradient(90deg, #0077b6, #00b4d8);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 180, 216, 0.4);
        }
        footer {
            background: rgba(0, 0, 0, 0.95);
            padding: 50px 0 20px;
            margin-top: 60px;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 30px 0;
        }
        friend-link a {
            display: inline-block;
            margin: 10px 20px;
            font-size: 1.1rem;
            padding: 10px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .copyright {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 20px;
                gap: 10px;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 25px;
                right: 20px;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.7rem;
            }
            p {
                font-size: 1.1rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        main, .form-box, img {
            animation: fadeIn 1s ease-out;
        }