* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a237e;
            --secondary: #ff9800;
            --accent: #4caf50;
            --dark: #121212;
            --light: #f5f5f7;
            --text: #333;
            --gray: #757575;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f9f9fb;
            color: var(--text);
            line-height: 1.8;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary), #283593);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            background: linear-gradient(45deg, #ff9800, #ff5722);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 5px 0;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-links a:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background: rgba(255,255,255,0.1);
            margin-top: 1rem;
            padding: 0.8rem 1rem;
            border-radius: 4px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: #bbdefb;
            text-decoration: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #bbdefb;
        }
        #menu-toggle {
            display: none;
        }
        .hero {
            background: linear-gradient(rgba(26,35,126,0.9), rgba(26,35,126,0.7)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover;
            color: white;
            padding: 4rem 0;
            text-align: center;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        aside {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--primary);
            font-size: 2.2rem;
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e0e0e0;
        }
        h3 {
            color: #283593;
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
        }
        h4 {
            color: #5c6bc0;
            font-size: 1.4rem;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.9;
        }
        strong {
            color: var(--primary);
            font-weight: 700;
        }
        em {
            color: var(--accent);
            font-style: italic;
        }
        section {
            margin-bottom: 3rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e3f2fd, #bbdefb);
            border-left: 5px solid var(--primary);
            padding: 2rem;
            margin: 2.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 2.5rem 0;
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.02);
        }
        figcaption {
            text-align: center;
            color: var(--gray);
            font-style: italic;
            margin-top: 0.5rem;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .search-box {
            background: var(--light);
            padding: 2rem;
            border-radius: 8px;
            margin: 2.5rem 0;
        }
        .search-box form {
            display: flex;
            gap: 0.5rem;
        }
        .search-box input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 6px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-box button:hover {
            background: #283593;
            transform: translateY(-2px);
        }
        .rating-system {
            background: #fff8e1;
            padding: 2rem;
            border-radius: 8px;
            margin: 2.5rem 0;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars label:hover,
        .stars label:hover ~ label {
            color: #ffc107;
        }
        .stars input:checked ~ label {
            color: #ffc107;
        }
        .comment-form {
            background: #f1f8e9;
            padding: 2rem;
            border-radius: 8px;
            margin: 2.5rem 0;
        }
        textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #c8e6c9;
            border-radius: 6px;
            min-height: 150px;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .btn {
            background: var(--accent);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
            text-decoration: none;
        }
        .btn:hover {
            background: #388e3c;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
            border-bottom: 1px dotted transparent;
        }
        a:hover {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
        }
        .related-links {
            background: #e8eaf6;
            padding: 2rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .related-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            list-style: none;
            padding: 0;
        }
        .related-links li {
            background: white;
            padding: 1rem;
            border-radius: 6px;
            transition: var(--transition);
        }
        .related-links li:hover {
            transform: translateX(5px);
            box-shadow: var(--shadow);
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem;
            background: #f5f5f5;
            border-radius: 8px;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .update-time {
            color: var(--accent);
            font-weight: 600;
        }
        .word-count {
            color: var(--gray);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.1);
        }
        friend-link h4 {
            color: #bbdefb;
            margin-bottom: 1rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
        }
        friend-link li {
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #e3f2fd;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        friend-link a:hover {
            color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #b0bec5;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
            article, aside {
                padding: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 1rem;
                align-items: stretch;
            }
            .hamburger {
                display: block;
                align-self: flex-end;
            }
            .main-nav {
                order: 3;
                width: 100%;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(0,0,0,0.95);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-radius: 0 0 12px 12px;
            }
            #menu-toggle:checked ~ .nav-links {
                display: flex;
            }
            .hero h1 {
                font-size: 2.3rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            .meta-info {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 3rem 0;
            }
            article, aside {
                padding: 1.5rem;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .search-box form {
                flex-direction: column;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        section {
            animation: fadeIn 0.6s ease-out;
        }
        .text-center { text-align: center; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .emoji { font-size: 1.2em; }