:root {
            --primary: #2a2d43;
            --secondary: #4a5079;
            --accent: #ff6b9d;
            --accent-light: #ff8eb4;
            --text: #e0e0e8;
            --text-light: #a0a0b0;
            --bg: #1a1c2b;
            --bg-light: #24273a;
            --card-bg: #2d3047;
            --border: #3a3e5c;
            --success: #4ecdc4;
            --warning: #ffd166;
            --error: #ff6b6b;
            --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Open Sans', sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            background-image: radial-gradient(circle at 20% 30%, var(--secondary) 0%, transparent 20%), radial-gradient(circle at 80% 80%, var(--primary) 0%, transparent 20%);
            background-attachment: fixed;
        }
        a {
            color: var(--accent-light);
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: var(--accent);
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(26, 28, 43, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(90deg, var(--accent), var(--warning));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            color: var(--text);
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        nav a:hover {
            color: var(--accent);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border);
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        .search-section {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 30px;
            margin: 40px 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            border: 1px solid var(--border);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid var(--secondary);
            border-radius: 50px 0 0 50px;
            background: var(--bg-light);
            color: var(--text);
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: var(--accent);
        }
        .search-form button {
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        .search-form button:hover {
            background: linear-gradient(90deg, var(--accent-light), var(--accent));
            transform: scale(1.05);
        }
        main {
            padding: 40px 0;
        }
        article {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border);
            margin-bottom: 40px;
        }
        h1, h2, h3, h4 {
            font-family: var(--font-heading);
            color: #fff;
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 3rem;
            background: linear-gradient(90deg, #fff, var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 15px;
            margin-top: 0;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--accent-light);
            border-left: 5px solid var(--accent);
            padding-left: 15px;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--warning);
        }
        h4 {
            font-size: 1.4rem;
            color: var(--success);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text);
            font-weight: 300;
            margin-bottom: 2rem;
            padding: 20px;
            background: rgba(42, 45, 67, 0.5);
            border-radius: 10px;
            border-left: 4px solid var(--accent);
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255,107,157,0.1), rgba(78,205,196,0.1));
            padding: 25px;
            border-radius: 12px;
            margin: 30px 0;
            border: 1px solid var(--border);
        }
        .img-container {
            margin: 40px auto;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
        }
        .img-container img {
            transition: transform 0.5s ease;
            width: 100%;
        }
        .img-container:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 10px;
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid var(--accent);
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: var(--text-light);
            background: rgba(42, 45, 67, 0.3);
            padding: 25px;
            border-radius: 0 12px 12px 0;
        }
        .link-list {
            background: var(--bg-light);
            border-radius: 12px;
            padding: 25px;
            margin: 30px 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .link-list a {
            display: flex;
            align-items: center;
            padding: 12px 15px;
            background: var(--card-bg);
            border-radius: 8px;
            transition: all 0.3s;
        }
        .link-list a:hover {
            background: var(--secondary);
            transform: translateX(10px);
        }
        .link-list i {
            margin-right: 10px;
            color: var(--accent);
        }
        .user-interaction {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 40px;
            margin: 50px 0;
            border: 1px solid var(--border);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--bg-light);
            color: var(--text);
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.2);
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: var(--border);
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: var(--warning);
        }
        .submit-btn {
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            color: white;
            border: none;
            padding: 16px 30px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(255, 107, 157, 0.3);
        }
        footer {
            background-color: var(--primary);
            border-top: 1px solid var(--border);
            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 {
            color: var(--accent-light);
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
        }
        friend-link a {
            color: var(--text-light);
            padding: 8px 0;
            display: block;
        }
        friend-link a:hover {
            color: var(--accent);
            padding-left: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border);
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .update-time {
            background: var(--bg-light);
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            margin: 30px 0;
            color: var(--success);
            font-weight: 600;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            nav ul { gap: 15px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--bg);
                flex-direction: column;
                padding: 20px;
                border-top: 1px solid var(--border);
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            nav ul.show { display: flex; }
            .header-content { position: relative; }
            .search-form { flex-direction: column; }
            .search-form input { border-radius: 50px; margin-bottom: 10px; }
            .search-form button { border-radius: 50px; padding: 15px; }
            .interaction-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 576px) {
            article, .user-interaction { padding: 25px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .lead { font-size: 1.1rem; }
        }