* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f9f9f9;
            color: #333;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: #4a90e2;
        }
        a:hover {
            color: #ff6b6b;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: bold;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .my-logo:hover {
            color: #ffeb3b;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav ul li a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        nav ul li a:hover {
            background: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem;
            border-radius: 5px;
            margin: 1rem 0;
        }
        .breadcrumb a {
            color: #555;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
        }
        h1 {
            color: #2c3e50;
            font-size: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 4px solid #4a90e2;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #34495e;
            font-size: 2.2rem;
            margin: 1.5rem 0 1rem;
            padding-left: 10px;
            border-left: 5px solid #ff6b6b;
        }
        h3 {
            color: #555;
            font-size: 1.8rem;
            margin: 1.2rem 0 0.8rem;
        }
        h4 {
            color: #777;
            font-size: 1.4rem;
            margin: 1rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: #fffacd;
            padding: 1rem;
            border-left: 5px solid #ffd700;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 1.5rem auto;
            display: block;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        }
        .update-time {
            font-style: italic;
            color: #7f8c8d;
            text-align: right;
            margin-bottom: 1rem;
        }
        .form-section {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        form {
            display: grid;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            width: 100%;
            font-size: 1rem;
        }
        button {
            background: #4a90e2;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        button:hover {
            background: #357ae8;
        }
        .rating {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ffd700;
        }
        .rating i {
            cursor: pointer;
        }
        footer {
            background: #2c3e50;
            color: white;
            padding: 2rem 0;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 1rem;
            background: rgba(255,255,255,0.1);
            border-radius: 8px;
        }
        friend-link a {
            color: #ffeb3b;
            font-weight: bold;
        }
        .copyright {
            margin-top: 2rem;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #6a11cb;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                z-index: 1000;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            article {
                padding: 1.5rem;
            }
        }