:root {
            --primary: #1e3a8a; 
            --secondary: #dc2626; 
            --accent: #fbbf24; 
            --light: #f8fafc; 
            --dark: #0f172a; 
            --gray: #64748b;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--light);
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary), var(--dark));
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            padding: 8px 0;
            font-weight: 600;
            border-bottom: 2px solid transparent;
        }
        nav a:hover, nav a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 10px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            opacity: 0.6;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .hero {
            padding: 60px 0 40px;
            text-align: center;
            background: linear-gradient(to right, var(--light), #e2e8f0);
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--primary);
        }
        .hero p {
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 800px;
            margin: 0 auto 30px;
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background: white;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        h1, h2, h3, h4 {
            color: var(--primary);
            margin-top: 1.5em;
            margin-bottom: 0.5em;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-left: 5px solid var(--secondary); padding-left: 15px; }
        h3 { font-size: 1.8rem; color: var(--dark); }
        h4 { font-size: 1.4rem; color: var(--gray); }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        .content-highlight {
            background: linear-gradient(to right, #fef3c7, #fde68a);
            border-left: 4px solid var(--accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .featured-image {
            margin: 30px auto;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            padding: 10px;
            color: var(--gray);
            background: #f1f5f9;
        }
        ul, ol {
            margin-left: 20px;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 0.5em;
        }
        strong {
            color: var(--secondary);
            font-weight: 700;
        }
        em {
            color: var(--primary);
        }
        blockquote {
            font-style: italic;
            border-left: 3px solid var(--secondary);
            padding-left: 20px;
            margin: 25px 0;
            color: var(--gray);
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #cbd5e1;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 14px 20px;
            border-radius: var(--radius);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        button:hover, .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0, 0, 0, 0.15);
        }
        .stars {
            display: flex;
            gap: 5px;
            justify-content: center;
            margin: 10px 0;
        }
        .stars i {
            color: #d1d5db;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: var(--accent);
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            padding: 12px 0;
            border-bottom: 1px dashed #e2e8f0;
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .related-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        footer {
            background: var(--dark);
            color: #cbd5e1;
            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: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 15px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
        }
        .friend-links a {
            background: rgba(255, 255, 255, 0.05);
            padding: 8px 15px;
            border-radius: 20px;
            border: 1px solid #334155;
        }
        .friend-links a:hover {
            background: var(--primary);
            border-color: var(--primary);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #334155;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .update-time {
            background: var(--primary);
            color: white;
            padding: 10px 20px;
            border-radius: var(--radius);
            display: inline-block;
            margin: 20px 0;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--dark);
                padding: 20px;
                gap: 0;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: var(--transition);
            }
            nav ul.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            nav li {
                margin: 10px 0;
            }
            .header-top {
                padding: 15px;
            }
            article {
                padding: 25px;
            }
        }
        @media (max-width: 480px) {
            html { font-size: 14px; }
            .hero { padding: 40px 20px; }
            .container { padding: 0 15px; }
        }