* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #2a5c8a;
            --primary-dark: #1e4568;
            --secondary: #d4a017;
            --accent: #8b4513;
            --light: #f5f7fa;
            --dark: #2c3e50;
            --gray: #7f8c8d;
            --success: #27ae60;
            --warning: #f39c12;
            --danger: #e74c3c;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
        }
        .my-logo:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        .search-box {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-box input {
            flex-grow: 1;
            padding: 12px 18px;
            border: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background-color: var(--secondary);
            color: var(--dark);
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 0 25px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #ffc107;
        }
        nav {
            background-color: rgba(255, 255, 255, 0.08);
            padding: 10px 0;
        }
        .nav-desktop {
            display: flex;
            justify-content: center;
            gap: 30px;
            list-style: none;
        }
        .nav-desktop a {
            color: white;
            font-weight: 500;
            padding: 8px 15px;
            border-radius: 4px;
        }
        .nav-desktop a:hover, .nav-desktop a.active {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            list-style: none;
            background-color: var(--primary-dark);
            padding: 20px;
            border-radius: 0 0 10px 10px;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 12px 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-area {
            background-color: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 2px solid var(--light);
            padding-bottom: 25px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .update-time {
            background-color: #e8f4fc;
            padding: 8px 15px;
            border-radius: 20px;
            color: var(--primary);
            font-weight: 500;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px dashed #ddd;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--accent);
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: #fff8e1;
            border-left: 5px solid var(--secondary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #f0f8ff, #e1f5fe);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid #c5e1f9;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        .stat-card h4 {
            color: var(--primary-dark);
            margin: 10px 0;
        }
        .image-wrapper {
            margin: 35px 0;
            text-align: center;
        }
        .image-wrapper img {
            border-radius: 12px;
            box-shadow: var(--shadow);
            max-height: 500px;
            object-fit: cover;
            width: 100%;
        }
        .image-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .link-list {
            background-color: #f9f9f9;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 12px;
            list-style: none;
        }
        .link-list li {
            padding: 10px 15px;
            background-color: white;
            border-radius: 6px;
            border-left: 4px solid var(--primary);
            transition: var(--transition);
        }
        .link-list li:hover {
            background-color: #e3f2fd;
            transform: translateX(5px);
        }
        .quote {
            font-size: 1.2rem;
            font-style: italic;
            color: var(--primary-dark);
            text-align: center;
            padding: 30px;
            background-color: #f8f9fa;
            border-radius: 12px;
            margin: 35px 0;
            border-left: 5px solid var(--secondary);
            border-right: 5px solid var(--secondary);
        }
        .quote-author {
            text-align: right;
            margin-top: 15px;
            color: var(--gray);
            font-weight: 500;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            margin-bottom: 20px;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2.2rem;
            color: #ddd;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars .active {
            color: var(--warning);
        }
        #user-rating {
            width: 100%;
            margin: 15px 0;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 6px;
        }
        .btn {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 12px 28px;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            width: 100%;
        }
        .btn:hover {
            background-color: var(--primary-dark);
            text-decoration: none;
            color: white;
        }
        .btn-warning {
            background-color: var(--warning);
        }
        .btn-warning:hover {
            background-color: #e67e22;
        }
        .comment-form textarea {
            width: 100%;
            height: 120px;
            padding: 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            margin-bottom: 15px;
            resize: vertical;
            font-family: inherit;
        }
        footer {
            background-color: var(--dark);
            color: #bbb;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            margin-bottom: 15px;
        }
        .footer-about p {
            margin-bottom: 20px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 15px;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 8px 16px;
            border-radius: 4px;
            color: #ddd;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #999;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                gap: 15px;
            }
            .search-box {
                order: 3;
                max-width: 100%;
            }
            .hamburger {
                display: block;
            }
            .nav-desktop {
                display: none;
            }
            .content-area {
                padding: 25px;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
        }