:root {
            --primary-dark: #1a2238;
            --primary-accent: #ff6b6b;
            --secondary-accent: #4ecdc4;
            --text-light: #f7f9fc;
            --text-gray: #9da5b4;
            --bg-section: #252e42;
            --bg-card: #2d374d;
            --border-color: #3a4560;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-light);
            background-color: var(--primary-dark);
            background-image: radial-gradient(circle at 20% 30%, rgba(255, 107, 107, 0.1) 0%, transparent 20%),
                              radial-gradient(circle at 80% 70%, rgba(78, 205, 196, 0.1) 0%, transparent 20%);
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-accent);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(26, 34, 56, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }
        .my-logo a {
            color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .nav-links a:hover {
            text-decoration: none;
            color: var(--primary-accent);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            background-color: var(--bg-section);
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 30px;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--text-gray);
        }
        .breadcrumb .separator {
            margin: 0 10px;
            color: var(--secondary-accent);
        }
        main {
            padding: 40px 0;
            min-height: 1500px;
        }
        article {
            background-color: var(--bg-section);
            border-radius: 16px;
            padding: 50px;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding-bottom: 30px;
            border-bottom: 2px dashed var(--border-color);
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
            background: linear-gradient(to right, var(--primary-accent), var(--secondary-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
        }
        h2 {
            font-size: 2.2rem;
            margin: 50px 0 25px 0;
            color: var(--secondary-accent);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        h3 {
            font-size: 1.7rem;
            margin: 35px 0 18px 0;
            color: var(--text-light);
        }
        h4 {
            font-size: 1.3rem;
            margin: 25px 0 12px 0;
            color: var(--text-gray);
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: var(--text-gray);
            margin-bottom: 35px;
            line-height: 1.8;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255,107,107,0.15), rgba(78,205,196,0.15));
            border-left: 4px solid var(--primary-accent);
            padding: 25px;
            margin: 35px 0;
            border-radius: 0 8px 8px 0;
        }
        .content-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 35px auto;
            display: block;
            box-shadow: var(--shadow);
            border: 2px solid var(--border-color);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .stat-card {
            background: var(--bg-card);
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            border-top: 4px solid var(--primary-accent);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--secondary-accent);
            margin-bottom: 15px;
        }
        .stat-card h4 {
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .interactive-section {
            background: var(--bg-card);
            padding: 40px;
            border-radius: 16px;
            margin: 50px 0;
            border: 1px solid var(--border-color);
        }
        .interactive-section h2 {
            border: none;
            margin-top: 0;
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 30px;
        }
        .search-box form, .comment-form form, .rating-form form {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }
        input, textarea, select {
            padding: 14px 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background-color: rgba(255, 255, 255, 0.07);
            color: var(--text-light);
            font-size: 1rem;
            flex-grow: 1;
            min-width: 250px;
        }
        textarea {
            min-height: 120px;
            width: 100%;
            resize: vertical;
        }
        button, .btn {
            padding: 14px 28px;
            background: linear-gradient(90deg, var(--primary-accent), #ff8e8e);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #ff5252, var(--primary-accent));
            transform: scale(1.03);
            box-shadow: 0 6px 15px rgba(255, 107, 107, 0.3);
        }
        .stars {
            display: flex;
            gap: 8px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: var(--text-gray);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: gold;
        }
        footer {
            background-color: var(--bg-section);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--secondary-accent);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--text-gray);
            text-align: right;
            margin-top: 30px;
            font-style: italic;
        }
        .update-time i {
            margin-right: 8px;
            color: var(--secondary-accent);
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.6rem; }
            h2 { font-size: 2rem; }
            article { padding: 35px; }
            .nav-links { gap: 20px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-links {
                position: fixed;
                top: 80px;
                right: -100%;
                flex-direction: column;
                background-color: var(--primary-dark);
                width: 250px;
                height: calc(100vh - 80px);
                padding: 40px 30px;
                transition: 0.5s;
                border-left: 1px solid var(--border-color);
                gap: 25px;
            }
            .nav-links.active { right: 0; }
            .header-content { padding: 0 15px; }
            article { padding: 25px 20px; }
            .interactive-section { padding: 30px 20px; }
            .footer-content { grid-template-columns: 1fr; text-align: center; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .lead { font-size: 1.1rem; }
            input, textarea, select { min-width: 100%; }
            .search-box form, .comment-form form, .rating-form form { flex-direction: column; align-items: stretch; }
        }