* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .italic { font-style: italic; }
        .highlight {
            background-color: #fffacd;
            padding: 0 5px;
            border-radius: 3px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, #00dbde, #fc00ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: #e6e6e6;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fff;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #e63946;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: #fff;
            border-radius: 2px;
            transition: 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            color: #0066cc;
        }
        main {
            padding: 2rem 0;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 2rem;
        }
        article {
            padding: 0 2rem;
        }
        .article-header {
            margin-bottom: 3rem;
            padding-bottom: 1.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #1a1a2e;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #6c757d;
            font-size: 0.95rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .update-time {
            background-color: #e7f1ff;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            color: #0056b3;
        }
        h2 {
            font-size: 2.2rem;
            color: #343a40;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px dashed #adb5bd;
        }
        h3 {
            font-size: 1.8rem;
            color: #495057;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #6c757d;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.7;
        }
        .lead {
            font-size: 1.3rem;
            color: #1a1a2e;
            font-weight: 500;
            margin-bottom: 2rem;
            padding-left: 1rem;
            border-left: 4px solid #00dbde;
        }
        blockquote {
            border-left: 5px solid #e63946;
            padding: 1rem 1.5rem;
            margin: 2rem 0;
            background-color: #f8f9fa;
            font-style: italic;
            color: #555;
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .featured-image {
            margin: 2.5rem 0;
            text-align: center;
        }
        .featured-image img {
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
            max-width: 800px;
            margin: 0 auto;
        }
        .featured-image img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            margin-top: 0.8rem;
            font-size: 0.95rem;
            color: #6c757d;
            font-style: italic;
        }
        .module {
            background-color: #f8f9fa;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            border-left: 5px solid #0066cc;
        }
        .module h3 {
            margin-top: 0;
            color: #0066cc;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .form-group {
            flex: 1;
            min-width: 250px;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #0066cc;
            box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
        }
        button, .btn {
            background: linear-gradient(90deg, #0066cc, #004d99);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #004d99, #003366);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .site-footer {
            background-color: #1a1a2e;
            color: #e6e6e6;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #fff;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #b3b3cc;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
            transition: all 0.3s;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.8rem;
            background-color: #252547;
            border-radius: 5px;
        }
        friend-link a {
            color: #8a8aff;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #33334d;
            color: #a3a3cc;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .article-header h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: flex; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                background-color: #16213e;
                padding: 2rem;
                transition: left 0.5s ease;
                box-shadow: 0 10px 10px rgba(0,0,0,0.2);
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1.5rem;
            }
            .article-header h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            article { padding: 0 1rem; }
            .module { padding: 1.5rem; }
        }
        @media (max-width: 576px) {
            .article-meta { flex-direction: column; align-items: flex-start; }
            .article-header h1 { font-size: 1.8rem; }
            .lead { font-size: 1.1rem; }
        }