* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f5f7fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { color: #d32f2f; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #9a0007; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(135deg, #0c0c0c 0%, #2d1b1b 100%);
            color: #fff;
            padding: 1rem 5%;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #d32f2f, #ff9800);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
        }
        .my-logo a { color: inherit; }
        .nav-container { display: flex; align-items: center; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #eee;
            font-weight: 600;
            padding: 0.5rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: rgba(211, 47, 47, 0.2);
            color: #ff9800;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 5%;
            background-color: #e9ecef;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { text-decoration: underline; }
        .search-box {
            margin: 2rem auto;
            max-width: 800px;
            padding: 0 5%;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background: linear-gradient(to right, #d32f2f, #ff5722);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-size: 1.1rem;
            transition: opacity 0.3s;
        }
        .search-button:hover { opacity: 0.9; }
        .main-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 5%;
            background-color: white;
            box-shadow: 0 0 20px rgba(0,0,0,0.05);
            border-radius: 10px;
        }
        article { margin-bottom: 3rem; }
        h1 {
            font-size: 3.2rem;
            color: #0c0c0c;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #d32f2f;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #1a237e;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e0e0e0;
        }
        h3 {
            font-size: 1.7rem;
            color: #d32f2f;
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #444;
            font-weight: 500;
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #ff9800;
        }
        .highlight {
            background-color: #fffde7;
            padding: 1.5rem;
            border-radius: 8px;
            border: 1px solid #ffeb3b;
            margin: 1.5rem 0;
        }
        .pull-quote {
            float: right;
            width: 40%;
            margin: 1rem 0 1rem 2rem;
            padding: 1.5rem;
            background: linear-gradient(145deg, #e3f2fd, #bbdefb);
            border-left: 5px solid #2196f3;
            font-style: italic;
            font-size: 1.2rem;
            border-radius: 0 10px 10px 0;
        }
        .image-container {
            margin: 2rem auto;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s;
        }
        .image-container img:hover { transform: scale(1.01); }
        .image-caption {
            font-size: 0.95rem;
            color: #666;
            margin-top: 0.5rem;
            font-style: italic;
        }
        ul, ol { margin: 1rem 0 1.5rem 2rem; }
        li { margin-bottom: 0.5rem; }
        strong { color: #1a237e; }
        em { color: #388e3c; }
        .user-interaction {
            background-color: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            border: 1px solid #dee2e6;
        }
        .interaction-title {
            font-size: 1.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #d32f2f;
            outline: none;
            box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.2);
        }
        .submit-btn {
            background: linear-gradient(to right, #1a237e, #283593);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: opacity 0.3s;
            display: block;
            width: 100%;
            max-width: 300px;
            margin: 1rem auto;
        }
        .submit-btn:hover { opacity: 0.9; }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 2rem;
            margin: 1rem 0;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ff9800; }
        .related-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .link-card {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            border-top: 4px solid #d32f2f;
        }
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .link-card h4 { margin-top: 0; }
        footer {
            background: linear-gradient(135deg, #0c0c0c 0%, #2d1b1b 100%);
            color: #ccc;
            padding: 3rem 5% 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-section h3 {
            color: #ff9800;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #bbbbbb;
        }
        friend-link a:hover {
            color: #ff9800;
            padding-left: 5px;
            transition: all 0.3s;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2rem; }
            .pull-quote { width: 100%; float: none; margin: 1.5rem 0; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: #1a1a1a;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
                border-top: 2px solid #d32f2f;
            }
            .main-nav.active ul { display: flex; }
            .main-nav li { margin: 0.5rem 0; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .nav-container { width: 100%; justify-content: space-between; margin-top: 1rem; }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .lead { font-size: 1.2rem; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .search-form { flex-direction: column; border-radius: 10px; }
            .search-input, .search-button { border-radius: 0; width: 100%; }
        }
        .text-center { text-align: center; }
        .update-time {
            font-size: 0.9rem;
            color: #777;
            background-color: #f1f8e9;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 1.5rem;
        }
        .emoji { font-size: 1.2em; }