* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f1419;
            color: #e8eaed;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #5dade2;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #85c1e9;
            transform: translateY(-1px);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2530 0%, #0f1419 100%);
            border-bottom: 2px solid #2c3e50;
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff9a00, #ff5e62);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
            text-shadow: 0 2px 5px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 6px;
            font-size: 1.05rem;
        }
        .main-nav a:hover {
            background-color: rgba(93, 173, 226, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ff9a00;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            color: #95a5a6;
            border-bottom: 1px solid #2c3e50;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #95a5a6;
        }
        .breadcrumb a:hover {
            color: #5dade2;
        }
        .search-container {
            max-width: 800px;
            margin: 3rem auto;
            background: #1a2530;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
            border: 1px solid #2c3e50;
        }
        .search-container h2 {
            text-align: center;
            margin-bottom: 1.5rem;
            color: #ff9a00;
            font-size: 1.8rem;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.2rem;
            border-radius: 8px;
            border: 2px solid #34495e;
            background-color: #2c3e50;
            color: #e8eaed;
            font-size: 1.1rem;
            transition: border-color 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #5dade2;
        }
        .search-btn {
            background: linear-gradient(to right, #ff9a00, #ff5e62);
            color: white;
            border: none;
            padding: 0 2rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .search-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 90, 95, 0.4);
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: rgba(26, 37, 48, 0.8);
            border-radius: 16px;
            padding: 2.5rem;
            margin-bottom: 3rem;
            border: 1px solid #2c3e50;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        h1 {
            font-size: 2.8rem;
            color: #ff9a00;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
        }
        h2 {
            font-size: 2.2rem;
            color: #5dade2;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #34495e;
        }
        h3 {
            font-size: 1.8rem;
            color: #85c1e9;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #aed6f1;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255,154,0,0.15), rgba(255,94,98,0.15));
            padding: 1.8rem;
            border-radius: 10px;
            border-left: 5px solid #ff9a00;
            margin: 2rem 0;
            font-weight: 600;
            font-size: 1.2rem;
        }
        .article-img {
            width: 100%;
            max-width: 900px;
            height: auto;
            border-radius: 12px;
            margin: 2.5rem auto;
            display: block;
            border: 3px solid #34495e;
            box-shadow: 0 10px 20px rgba(0,0,0,0.6);
            transition: transform 0.5s;
        }
        .article-img:hover {
            transform: scale(1.02);
        }
        .related-links {
            background: #1a2530;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2.5rem 0;
        }
        .related-links h3 {
            color: #ff9a00;
            margin-top: 0;
        }
        .related-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1rem;
        }
        .related-links li {
            padding: 0.8rem;
            background: rgba(52, 73, 94, 0.5);
            border-radius: 6px;
            transition: background 0.3s;
        }
        .related-links li:hover {
            background: rgba(93, 173, 226, 0.2);
        }
        .update-time {
            text-align: center;
            font-style: italic;
            color: #95a5a6;
            margin: 3rem 0;
            padding-top: 1.5rem;
            border-top: 1px solid #2c3e50;
        }
        .user-interaction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin: 4rem 0;
        }
        .comment-section, .rating-section {
            background: #1a2530;
            padding: 2rem;
            border-radius: 12px;
            border: 1px solid #2c3e50;
        }
        .comment-section h2, .rating-section h2 {
            color: #ff9a00;
            border-bottom: none;
            font-size: 1.8rem;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            padding: 1rem;
            border-radius: 8px;
            border: 2px solid #34495e;
            background-color: #2c3e50;
            color: #e8eaed;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-control:focus {
            border-color: #5dade2;
            outline: none;
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, #5dade2, #3498db);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.5rem;
            color: #34495e;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ff9a00;
        }
        footer {
            background: #0a0e12;
            padding: 3rem 0 1.5rem;
            border-top: 3px solid #2c3e50;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h3 {
            color: #ff9a00;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            padding: 0.6rem;
            background: rgba(52, 73, 94, 0.3);
            border-radius: 6px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(255, 154, 0, 0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2c3e50;
            color: #95a5a6;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .header-content { flex-wrap: wrap; }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1a2530;
                padding: 1rem;
                border-top: 2px solid #2c3e50;
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .main-nav.active ul {
                display: flex;
            }
            .search-form {
                flex-direction: column;
            }
            .search-btn {
                width: 100%;
                padding: 1rem;
            }
            .user-interaction {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .my-logo { font-size: 1.8rem; }
            article { padding: 1.5rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .search-container { padding: 1rem; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .search-container, .user-interaction > div {
            animation: fadeIn 0.8s ease-out;
        }