:root {
            --primary: #1a73e8;
            --secondary: #ff6b35;
            --dark: #0d1117;
            --light: #f8f9fa;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #0d1117 0%, #1c2331 100%);
            color: #e1e5e9;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(13, 17, 23, 0.95);
            backdrop-filter: blur(10px);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--secondary);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav ul li a {
            color: var(--light);
            font-weight: 600;
            padding: 8px 15px;
            border-radius: var(--radius);
        }
        nav ul li a:hover {
            background: var(--primary);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: var(--light);
            cursor: pointer;
        }
        .breadcrumb {
            margin-top: 15px;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        main {
            padding: 40px 0;
            background: rgba(28, 35, 49, 0.7);
            border-radius: var(--radius);
            margin-top: 20px;
        }
        article {
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
        }
        h1 {
            font-size: 3.2rem;
            color: var(--secondary);
            text-align: center;
            margin-bottom: 25px;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.8);
        }
        h2 {
            font-size: 2.4rem;
            color: var(--primary);
            margin: 40px 0 20px;
            border-left: 5px solid var(--secondary);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: #ffa726;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #4fc3f7;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
            padding: 0 10px;
        }
        strong {
            color: var(--secondary);
            font-weight: 700;
        }
        .highlight {
            background: rgba(255, 107, 53, 0.1);
            border-left: 4px solid var(--secondary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 8px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 30px auto;
            display: block;
            border: 3px solid var(--primary);
        }
        .interactive {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .interactive form {
            background: rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: var(--radius);
            border: 1px solid var(--gray);
        }
        .interactive h3 {
            margin-top: 0;
        }
        .interactive input, .interactive textarea, .interactive select {
            width: 100%;
            padding: 12px;
            margin: 10px 0;
            border: 1px solid var(--gray);
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.1);
            color: var(--light);
        }
        .interactive button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .interactive button:hover {
            background: var(--secondary);
            transform: translateY(-3px);
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rating i {
            color: #ffc107;
            cursor: pointer;
            font-size: 1.5rem;
        }
        .update-time {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px dashed var(--gray);
        }
        footer {
            background: rgba(13, 17, 23, 0.98);
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 2px solid var(--primary);
        }
        friend-link {
            display: block;
            margin: 20px 0;
            font-size: 1.2rem;
        }
        friend-link a {
            color: var(--light);
            margin: 0 15px;
        }
        .copyright {
            text-align: center;
            color: var(--gray);
            margin-top: 30px;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.5rem; }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--dark);
                padding: 20px;
                box-shadow: var(--shadow);
            }
            nav ul.active {
                display: flex;
            }
            .hamburger { display: block; }
            .header-content { position: relative; }
            .interactive {
                grid-template-columns: 1fr;
            }
        }