* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #2c3e50;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, #1a237e, #311b92);
            color: white;
            padding: 1.2rem 0;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.4rem;
            font-weight: 900;
            color: #ffeb3b;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 3px;
            font-family: 'Arial Black', sans-serif;
            text-shadow: 3px 3px 0 #d50000;
            transition: all 0.3s ease;
        }
        .logo a:hover {
            color: #ff9800;
            text-shadow: 3px 3px 0 #1a237e;
            transform: scale(1.05);
        }
        .my-logo::after {
            content: "⚡";
            margin-left: 10px;
            font-size: 2rem;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.8rem 1.2rem;
            border-radius: 25px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav ul li a:hover {
            background-color: #ffeb3b;
            color: #1a237e;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 235, 59, 0.4);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffeb3b;
            background: none;
            border: none;
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 1.5rem;
            border-radius: 10px;
            margin-top: 1rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .breadcrumb a {
            color: #ffeb3b;
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 3rem 0;
            background-color: white;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            margin: 2rem auto;
            position: relative;
            overflow: hidden;
        }
        main::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, #feca57);
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 3.2rem;
            color: #1a237e;
            text-align: center;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 4px solid #ffeb3b;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
        }
        h2 {
            font-size: 2.4rem;
            color: #311b92;
            margin-top: 3rem;
            margin-bottom: 1.5rem;
            padding-left: 1rem;
            border-left: 6px solid #4ecdc4;
        }
        h3 {
            font-size: 1.8rem;
            color: #00695c;
            margin-top: 2.5rem;
            margin-bottom: 1.2rem;
            position: relative;
            padding-left: 1.2rem;
        }
        h3::before {
            content: "🔥";
            position: absolute;
            left: -10px;
        }
        h4 {
            font-size: 1.4rem;
            color: #d84315;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-left: 1.5rem;
        }
        p {
            margin-bottom: 1.8rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.9;
            color: #37474f;
            padding: 0 0.5rem;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 0.2rem 0.5rem;
            border-radius: 5px;
            font-weight: 700;
            color: #d84315;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 8px;
            vertical-align: middle;
        }
        .image-container {
            text-align: center;
            margin: 3rem auto;
            max-width: 900px;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
            transition: transform 0.4s ease;
        }
        .image-container:hover {
            transform: translateY(-10px);
        }
        .image-container img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 15px;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 1rem;
        }
        .internal-links {
            background: linear-gradient(120deg, #e3f2fd, #f3e5f5);
            padding: 2rem;
            border-radius: 15px;
            margin: 3rem 0;
            border: 2px dashed #5c6bc0;
        }
        .internal-links h3 {
            color: #5c6bc0;
            border-left: none;
            padding-left: 0;
        }
        .internal-links h3::before {
            content: "🔗";
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.2rem;
            list-style: none;
            margin-top: 1.5rem;
        }
        .internal-links li a {
            display: block;
            padding: 1.2rem;
            background-color: white;
            border-radius: 10px;
            text-decoration: none;
            color: #311b92;
            font-weight: 600;
            border-left: 5px solid #ff9800;
            transition: all 0.3s ease;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
        }
        .internal-links li a:hover {
            background-color: #311b92;
            color: white;
            transform: scale(1.05);
            border-left-color: #ffeb3b;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin: 4rem 0;
        }
        .form-box {
            background: white;
            padding: 2.2rem;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            border-top: 6px solid;
            transition: transform 0.3s ease;
        }
        .form-box:hover {
            transform: translateY(-8px);
        }
        .search-box {
            border-top-color: #4caf50;
        }
        .comment-box {
            border-top-color: #2196f3;
        }
        .rating-box {
            border-top-color: #ff9800;
        }
        .form-box h3 {
            margin-top: 0;
            padding-left: 0;
            border-left: none;
            color: #1a237e;
        }
        .form-box h3::before {
            content: none;
        }
        .form-box h3 i {
            margin-right: 10px;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        form label {
            font-weight: 700;
            color: #444;
            font-size: 1rem;
        }
        form input, form textarea, form select {
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.3s;
        }
        form input:focus, form textarea:focus, form select:focus {
            border-color: #5c6bc0;
            outline: none;
            box-shadow: 0 0 0 3px rgba(92, 107, 192, 0.2);
        }
        form button {
            padding: 1.2rem;
            background: linear-gradient(90deg, #1a237e, #311b92);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        form button:hover {
            background: linear-gradient(90deg, #311b92, #1a237e);
            transform: scale(1.03);
            box-shadow: 0 6px 15px rgba(49, 27, 146, 0.3);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 1rem 0;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2.5rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.3s;
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: #ffeb3b;
        }
        footer {
            background: linear-gradient(90deg, #1a237e, #311b92);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 {
            color: #ffeb3b;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #4ecdc4;
            padding-left: 0;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.1);
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateX(10px);
        }
        friend-link a {
            color: #4ecdc4;
            text-decoration: none;
            font-size: 1.2rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link a:hover {
            color: #ffeb3b;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.95rem;
            color: #b0bec5;
            line-height: 1.6;
        }
        .update-time {
            text-align: center;
            font-size: 1rem;
            color: #666;
            margin: 2rem 0;
            font-style: italic;
            background-color: #f5f5f5;
            padding: 1rem;
            border-radius: 10px;
            border-left: 5px solid #4caf50;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
                gap: 1.5rem;
            }
            nav ul {
                flex-direction: column;
                display: none;
                width: 100%;
                background-color: rgba(26, 35, 126, 0.98);
                padding: 1.5rem;
                border-radius: 15px;
                margin-top: 1rem;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li a {
                justify-content: center;
                padding: 1rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 20px;
                z-index: 1001;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.6rem;
            }
            article {
                padding: 0 1rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .internal-links ul {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .container {
                padding: 0 30px;
            }
            .internal-links ul {
                grid-template-columns: repeat(2, 1fr);
            }
        }