* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            background-image: linear-gradient(to bottom right, #f1f3f4, #e8eaed);
            max-width: 1400px;
            margin: 0 auto;
        }
        a {
            color: #2c3e50;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e74c3c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 95%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        .site-header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: #ecf0f1;
            padding: 1.2rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #f39c12, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            font-size: 1.1rem;
        }
        .main-nav a:hover {
            background-color: rgba(236, 240, 241, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #ecf0f1;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 0.8rem 0;
            font-size: 0.95rem;
            color: #7f8c8d;
            border-bottom: 1px solid #bdc3c7;
        }
        .breadcrumb a {
            color: #3498db;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        .search-container {
            padding: 2rem 0 1rem;
            text-align: center;
            background-color: #fff;
            border-bottom: 1px solid #eee;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
            background: #f8f9fa;
        }
        .search-btn {
            background: linear-gradient(to right, #3498db, #2980b9);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(to right, #2980b9, #1f639e);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
            background-color: #fff;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
            border-radius: 10px;
            margin-top: 1rem;
            margin-bottom: 2rem;
            overflow: hidden;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            padding: 0 2rem;
        }
        .content-section {
            margin-bottom: 3.5rem;
            padding-bottom: 2rem;
            border-bottom: 1px dashed #ddd;
        }
        h1 {
            font-size: 3.2rem;
            color: #2c3e50;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            padding-top: 1rem;
        }
        h2 {
            font-size: 2.4rem;
            color: #e74c3c;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f39c12;
        }
        h3 {
            font-size: 1.8rem;
            color: #3498db;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #2c3e50;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.4rem;
            color: #555;
            font-style: italic;
            border-left: 4px solid #f39c12;
            padding-left: 1.5rem;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .feature-img {
            width: 80%;
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            border: 5px solid #ecf0f1;
        }
        .update-time {
            text-align: center;
            font-size: 0.95rem;
            color: #7f8c8d;
            margin-bottom: 2rem;
            font-style: italic;
        }
        .quote {
            font-size: 1.3rem;
            font-style: italic;
            color: #555;
            border-left: 5px solid #3498db;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            background-color: #f8f9fa;
            border-radius: 0 10px 10px 0;
        }
        .interactive-box {
            background: linear-gradient(145deg, #f0f8ff, #e6f0ff);
            padding: 2rem;
            border-radius: 15px;
            margin: 2.5rem 0;
            border-left: 6px solid #2980b9;
            box-shadow: 0 8px 20px rgba(41, 128, 185, 0.1);
        }
        aside {
            padding: 2rem 1.5rem;
            background-color: #f8f9fa;
            border-left: 1px solid #eee;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            color: #2c3e50;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f39c12;
        }
        .rating-widget {
            text-align: center;
            padding: 1.5rem;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .stars {
            font-size: 2rem;
            color: #f1c40f;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, #27ae60, #229954);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: bold;
            width: 100%;
            transition: transform 0.2s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(39, 174, 96, 0.3);
        }
        .site-footer {
            background: #2c3e50;
            color: #bdc3c7;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: #ecf0f1;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bdc3c7;
        }
        .footer-links a:hover {
            color: #f39c12;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            margin-bottom: 1rem;
            border-radius: 6px;
            border-left: 4px solid #f39c12;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            .main-content {
                padding: 1.5rem 0;
            }
            article {
                padding: 0 1rem;
            }
        }