* {
            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-color: #f5f5f5;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #004499;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: #00a8ff;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-family: 'Arial Black', sans-serif;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
        }
        .logo a:hover {
            color: #0097e6;
            text-decoration: none;
        }
        .nav {
            display: flex;
            gap: 2rem;
        }
        .nav a {
            color: #e6e6e6;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav a:hover {
            background-color: rgba(0, 168, 255, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #2d3436;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #dfe6e9;
        }
        .breadcrumb a:hover {
            color: #00a8ff;
        }
        .breadcrumb span {
            color: #b2bec3;
            margin: 0 0.5rem;
        }
        .container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .main-content {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            align-self: start;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a1a2e;
            margin-bottom: 1rem;
            line-height: 1.2;
            border-left: 6px solid #00a8ff;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #16213e;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #00a8ff;
        }
        h3 {
            font-size: 1.5rem;
            color: #273c75;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #40739e;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background-color: #f8f9fa;
            border-left: 4px solid #00a8ff;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .bold {
            font-weight: 800;
            color: #1a1a2e;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .image-container {
            margin: 2rem 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .update-time {
            font-size: 0.9rem;
            color: #888;
            margin-bottom: 2rem;
            text-align: right;
        }
        .link-list {
            list-style: none;
            padding-left: 0;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .link-list li:before {
            content: '🔗';
            position: absolute;
            left: 0;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: #1a1a2e;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #00a8ff;
        }
        .search-form input[type="text"] {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 0.5rem;
        }
        .search-form button {
            width: 100%;
            padding: 0.8rem;
            background: #00a8ff;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: #0097e6;
        }
        .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
        }
        .comment-form button, .rating-form button {
            padding: 0.8rem 1.5rem;
            background: #2ecc71;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .comment-form button:hover, .rating-form button:hover {
            background: #27ae60;
        }
        .rating-stars {
            font-size: 1.5rem;
            color: #f1c40f;
            margin-bottom: 1rem;
        }
        .footer {
            background: #1a1a2e;
            color: #dfe6e9;
            padding: 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: #00a8ff;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
            color: #74b9ff;
        }
        friend-link:hover {
            color: #0984e3;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2d3436;
            font-size: 0.9rem;
            color: #b2bec3;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
                padding: 0 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0.5rem;
            }
            .nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .breadcrumb {
                padding: 0.8rem 1rem;
            }
            .main-content, .sidebar {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }