* {
            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, #0c1a2d 0%, #152642 100%);
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #80c1ff;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 60px 0;
        }
        header {
            background-color: rgba(12, 26, 45, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #2a4a7a;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff9900, #ff3333);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            color: #b0d0ff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: 6px;
        }
        nav a:hover {
            background-color: rgba(77, 166, 255, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #4da6ff;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: rgba(21, 38, 66, 0.7);
            font-size: 0.9rem;
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: #a3c6ff;
        }
        .breadcrumb .separator {
            margin: 0 10px;
            color: #6688bb;
        }
        main {
            background-color: rgba(18, 32, 55, 0.8);
            border-radius: 12px;
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
        }
        h1 {
            font-size: 2.8rem;
            color: #ffffff;
            margin-bottom: 25px;
            text-align: center;
            border-bottom: 3px solid #ff9900;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: #ffcc66;
            margin: 40px 0 20px;
            padding-left: 15px;
            border-left: 5px solid #4da6ff;
        }
        h3 {
            font-size: 1.8rem;
            color: #99ccff;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #b3d9ff;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255,153,0,0.15) 0%, rgba(255,51,51,0.15) 100%);
            border-left: 4px solid #ff9900;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .quote {
            font-style: italic;
            color: #cccccc;
            border-left: 4px solid #33cc33;
            padding-left: 20px;
            margin: 25px 0;
        }
        .image-container {
            margin: 30px auto;
            text-align: center;
        }
        .image-container img {
            box-shadow: 0 10px 25px rgba(0,0,0,0.7);
            border: 2px solid #3a5f8a;
        }
        .image-caption {
            font-size: 0.95rem;
            color: #aaaaaa;
            margin-top: 10px;
            font-style: italic;
        }
        .interactive-section {
            background: rgba(30, 45, 75, 0.6);
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
            border: 1px solid #3a5f8a;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            color: #b0d0ff;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 14px;
            background-color: #1a2b4a;
            border: 1px solid #3a5f8a;
            border-radius: 6px;
            color: #e0e0e0;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4da6ff;
            box-shadow: 0 0 8px rgba(77, 166, 255, 0.5);
        }
        button {
            background: linear-gradient(to right, #ff9900, #ff3333);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 51, 51, 0.4);
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #555;
            margin: 15px 0;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars .star.active,
        .rating-stars .star:hover {
            color: #ffcc00;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 15px;
            margin: 40px 0;
            padding: 20px;
            background: rgba(42, 74, 122, 0.3);
            border-radius: 10px;
        }
        .link-list a {
            background: rgba(30, 45, 75, 0.7);
            padding: 15px;
            border-radius: 8px;
            display: block;
            border-left: 4px solid #4da6ff;
        }
        .link-list a:hover {
            background: rgba(42, 74, 122, 0.7);
            border-left-color: #ff9900;
        }
        footer {
            background-color: #0c1a2d;
            padding: 50px 0 20px;
            border-top: 2px solid #2a4a7a;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 25px 0;
            font-size: 1.1rem;
        }
        friend-link a {
            color: #ffcc66;
            font-weight: bold;
        }
        .copyright {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #2a4a7a;
            color: #8899bb;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .container { padding: 0 15px; }
            main { padding: 30px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: rgba(12, 26, 45, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                border-top: 1px solid #2a4a7a;
            }
            nav ul.active {
                display: flex;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .my-logo { font-size: 1.8rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.5rem; }
            .link-list { grid-template-columns: 1fr; }
            .interactive-section { padding: 20px; }
        }
        @media (max-width: 480px) {
            main { padding: 20px; }
            h1 { font-size: 1.8rem; }
            button { width: 100%; justify-content: center; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        main, .interactive-section, .link-list {
            animation: fadeIn 0.8s ease-out;
        }