* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #2c3e50;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e74c3c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 1rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 2.5rem;
            font-weight: bold;
            color: #e74c3c;
            font-family: 'Arial Black', sans-serif;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .logo a:hover {
            color: #fff;
        }
        .nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 2rem;
        }
        .nav-links a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background: #e74c3c;
            color: #fff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #ecf0f1;
            cursor: pointer;
        }
        .breadcrumb {
            background: #34495e;
            padding: 0.8rem 1rem;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #bdc3c7;
        }
        .breadcrumb a:hover {
            color: #e74c3c;
        }
        .main-container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            flex-grow: 1;
        }
        .article {
            background: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.1);
        }
        .article h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            line-height: 1.2;
            border-bottom: 4px solid #e74c3c;
            padding-bottom: 0.5rem;
        }
        .article h2 {
            font-size: 2rem;
            color: #34495e;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #3498db;
        }
        .article h3 {
            font-size: 1.6rem;
            color: #2c3e50;
            margin: 1.5rem 0 0.8rem;
        }
        .article h4 {
            font-size: 1.3rem;
            color: #7f8c8d;
            margin: 1rem 0 0.5rem;
        }
        .article p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .article emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .article strong {
            color: #e74c3c;
            font-weight: 700;
        }
        .article img {
            margin: 2rem auto;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            max-width: 80%;
        }
        .article .update-time {
            font-style: italic;
            color: #7f8c8d;
            font-size: 0.9rem;
            text-align: right;
            margin-top: 2rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: #fff;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .widget h3 {
            font-size: 1.5rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            border-bottom: 2px solid #3498db;
            padding-bottom: 0.5rem;
        }
        .widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .widget input, .widget textarea, .widget select {
            padding: 0.8rem;
            border: 1px solid #bdc3c7;
            border-radius: 6px;
            font-size: 1rem;
        }
        .widget button {
            padding: 0.8rem;
            background: #2c3e50;
            color: #fff;
            border: none;
            border-radius: 6px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .widget button:hover {
            background: #e74c3c;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #f39c12;
            cursor: pointer;
        }
        .footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 2rem 1rem;
            margin-top: auto;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: #e74c3c;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
            color: #bdc3c7;
        }
        friend-link:hover {
            color: #fff;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #34495e;
            margin-top: 2rem;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 768px) {
            .main-container {
                grid-template-columns: 1fr;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #2c3e50;
                padding: 1rem;
                box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 0.5rem 0;
            }
            .hamburger {
                display: block;
            }
            .article h1 {
                font-size: 2.2rem;
            }
            .article h2 {
                font-size: 1.8rem;
            }
            .article img {
                max-width: 100%;
            }
        }