* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #6a5acd; 
            --secondary: #ff69b4; 
            --accent: #20b2aa; 
            --dark: #2f2d52;
            --light: #f8f9ff;
            --text: #333344;
            --text-light: #666677;
            --border: #e1e4ff;
            --shadow: rgba(106, 90, 205, 0.15);
            --success: #4CAF50;
            --warning: #ff9800;
        }
        body {
            background-color: var(--light);
            color: var(--text);
            line-height: 1.7;
            font-size: 1.05rem;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #ffcc00, var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
            letter-spacing: 1px;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.75rem;
            border-radius: 6px;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #f0f2ff;
            padding: 1rem 0;
            font-size: 0.95rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 80px);
                background-color: var(--dark);
                transition: left 0.4s ease;
                padding: 2rem;
                box-shadow: 5px 0 15px rgba(0,0,0,0.1);
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1.5rem;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-left: 4px solid transparent;
            }
            .main-nav a:hover {
                border-left-color: var(--secondary);
                background-color: rgba(255,255,255,0.05);
            }
        }
        .hero {
            padding: 3rem 0;
            text-align: center;
            background: radial-gradient(circle at center, #ffffff 0%, #eef1ff 100%);
            border-bottom: 1px solid var(--border);
        }
        .hero h1 {
            font-size: 3.2rem;
            color: var(--dark);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            color: var(--text-light);
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .highlight {
            color: var(--primary);
            font-weight: 700;
        }
        .search-container {
            max-width: 700px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .search-box {
            display: flex;
            box-shadow: 0 6px 20px var(--shadow);
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid var(--primary);
        }
        .search-box input {
            flex: 1;
            padding: 1.2rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-box button {
            background: linear-gradient(to right, var(--primary), var(--accent));
            color: white;
            border: none;
            padding: 0 2rem;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .search-box button:hover {
            opacity: 0.9;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px var(--shadow);
        }
        h1, h2, h3, h4 {
            color: var(--dark);
            margin-top: 2.5rem;
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 3.2rem;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.3rem;
            color: var(--primary);
            border-left: 5px solid var(--accent);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--accent);
        }
        h4 {
            font-size: 1.5rem;
            color: var(--text);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro-emoji {
            font-size: 1.5rem;
            margin-right: 0.5rem;
        }
        .key-point {
            background: linear-gradient(90deg, #f0f7ff 0%, #e6f0ff 100%);
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .key-point h4 {
            margin-top: 0;
            color: var(--primary);
        }
        blockquote {
            font-style: italic;
            color: var(--text-light);
            border-left: 4px solid var(--secondary);
            padding-left: 2rem;
            margin: 2.5rem 0;
            font-size: 1.2rem;
            background-color: #fff9fc;
            padding: 1.5rem 2rem;
            border-radius: 0 10px 10px 0;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .feature-img {
            margin: 2.5rem auto;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 0.75rem;
            font-size: 0.95rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .stat-card {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            box-shadow: 0 8px 20px var(--shadow);
            border-top: 5px solid var(--accent);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-top: 0.5rem;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-widget {
            background: white;
            border-radius: 15px;
            padding: 1.8rem;
            margin-bottom: 2rem;
            box-shadow: 0 8px 25px var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            margin-top: 0;
            border-bottom: 2px dashed var(--border);
            padding-bottom: 0.8rem;
            margin-bottom: 1.5rem;
        }
        .widget-links {
            list-style: none;
        }
        .widget-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #eee;
        }
        .widget-links li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .widget-links a {
            display: flex;
            align-items: center;
            font-weight: 600;
        }
        .widget-links i {
            margin-right: 10px;
            color: var(--accent);
        }
        .update-time {
            background: linear-gradient(135deg, #fff5e6, #fff0f5);
            border: 1px dashed var(--warning);
            color: var(--text);
            padding: 1rem;
            border-radius: 10px;
            text-align: center;
            font-weight: 600;
        }
        .interaction-module {
            background: white;
            border-radius: 15px;
            padding: 2.5rem;
            margin: 3rem 0;
            box-shadow: 0 10px 30px var(--shadow);
            border: 1px solid var(--border);
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .module-title i {
            font-size: 2rem;
            color: var(--primary);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1.5rem 0;
            font-size: 2rem;
            color: #ffcc00;
            cursor: pointer;
        }
        .rating-stars .star {
            transition: transform 0.2s;
        }
        .rating-stars .star:hover {
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 1rem;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px var(--shadow);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, var(--primary), var(--accent));
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px var(--shadow);
        }
        .comments-list {
            margin-top: 3rem;
        }
        .comment {
            border-bottom: 1px solid var(--border);
            padding: 1.5rem 0;
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.75rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .comment-author {
            font-weight: 700;
            color: var(--primary);
        }
        .comment-date {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .comment-rating {
            color: #ffcc00;
        }
        .site-footer {
            background: linear-gradient(135deg, var(--dark) 0%, #3a3878 100%);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-logo {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(to right, #ffcc00, var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1.5rem;
        }
        .footer-about p {
            color: #ccd1ff;
            margin-bottom: 1.5rem;
        }
        .footer-links h4, .footer-social h4 {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: white;
            border-left: 4px solid var(--accent);
            padding-left: 0.75rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccd1ff;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        .social-icons {
            display: flex;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            color: white;
            font-size: 1.2rem;
            transition: all 0.3s;
        }
        .social-icons a:hover {
            background: var(--primary);
            transform: translateY(-5px);
            text-decoration: none;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        friend-link h5 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #ffcc00;
        }
        friend-link ul {
            list-style: none;
            margin-left: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        friend-link li {
            margin-bottom: 0;
        }
        friend-link a {
            color: #ccd1ff;
            padding: 0.5rem 1rem;
            background: rgba(255,255,255,0.08);
            border-radius: 6px;
            display: block;
        }
        friend-link a:hover {
            background: var(--primary);
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aab2ff;
            font-size: 0.95rem;
        }
        .text-center {
            text-align: center;
        }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .bold { font-weight: 800; color: var(--primary); }
        .emoji { font-size: 1.2em; margin-right: 0.3em; }
        .tag {
            display: inline-block;
            background: #f0f2ff;
            color: var(--primary);
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }