        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a73e8;
            --secondary: #34a853;
            --accent: #ea4335;
            --dark: #202124;
            --light: #f8f9fa;
            --gray: #5f6368;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #fff;
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 60px 0;
        }
        header {
            background: var(--dark);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #34a853, #1a73e8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
        }
        .nav-links a:hover {
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background: #f1f3f4;
            padding: 12px 0;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--dark);
        }
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 100px 20px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        main article {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: var(--dark);
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            color: var(--primary);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
            color: var(--secondary);
        }
        h4 {
            font-size: 1.2rem;
            margin: 1.5rem 0 0.75rem;
            color: var(--gray);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: #e8f0fe;
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .inline-img {
            float: right;
            margin: 0 0 20px 30px;
            max-width: 400px;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        @media (max-width: 768px) {
            .inline-img {
                float: none;
                margin: 20px auto;
                max-width: 100%;
            }
        }
        .related-links {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .related-links h3 {
            margin-top: 0;
        }
        .related-links ul {
            list-style: none;
            padding-left: 0;
        }
        .related-links li {
            padding: 8px 0;
            border-bottom: 1px dashed #ddd;
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .update-time {
            font-style: italic;
            color: var(--gray);
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
            text-align: right;
        }
        aside {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            margin-bottom: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            color: var(--dark);
            font-size: 1.3rem;
        }
        .search-box input {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-box button {
            width: 100%;
            margin-top: 10px;
            padding: 12px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
        }
        .search-box button:hover {
            background: #0d5bb5;
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            font-size: 2rem;
            color: #ffc107;
            margin: 15px 0;
        }
        .rating-widget .stars i {
            cursor: pointer;
            margin: 0 3px;
        }
        .rating-form input, .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
        }
        .rating-form button, .comment-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
        }
        .rating-form button:hover, .comment-form button:hover {
            background: #2c8c47;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-widget h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .footer-widget ul {
            list-style: none;
        }
        .footer-widget li {
            margin-bottom: 10px;
        }
        .footer-widget a {
            color: #ccc;
        }
        .footer-widget a:hover {
            color: white;
        }
        friend-link {
            display: block;
            background: #2d2d2d;
            padding: 15px;
            border-radius: 5px;
            margin: 10px 0;
            border-left: 3px solid var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: var(--dark);
                flex-direction: column;
                align-items: center;
                padding-top: 40px;
                transition: var(--transition);
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links li {
                margin: 15px 0;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: 800;
            color: var(--dark);
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
