:root {
            --primary: #4a148c;
            --secondary: #ff6f00;
            --accent: #00b0ff;
            --light: #f3e5f5;
            --dark: #1a237e;
            --text: #2c3e50;
            --text-light: #7b8a8b;
            --bg: #ffffff;
            --bg-alt: #f9f7fd;
            --shadow: rgba(106, 13, 173, 0.1);
            --border: #e0d2f0;
            --success: #27ae60;
            --warning: #f39c12;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: var(--secondary);
            transform: translateY(-1px);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary), var(--dark));
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #ffd166, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
            -webkit-text-fill-color: var(--secondary);
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .breadcrumb {
            margin: 15px 0;
            font-size: 0.9rem;
            color: var(--light);
        }
        .breadcrumb a {
            color: var(--light);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .search-box {
            display: flex;
            max-width: 400px;
            width: 100%;
            margin: 15px auto 0;
        }
        .search-box input {
            flex: 1;
            padding: 12px 20px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.9);
        }
        .search-box button {
            background: var(--secondary);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 12px 25px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #e65100;
        }
        .main-nav {
            background-color: rgba(26, 35, 126, 0.95);
            margin-top: 15px;
            border-radius: 8px;
            padding: 0 20px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-list li {
            position: relative;
        }
        .nav-list a {
            color: white;
            padding: 18px 22px;
            display: block;
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }
        .nav-list a:hover {
            background-color: var(--secondary);
            color: white;
            border-radius: 4px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px 10px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: var(--bg);
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 20px var(--shadow);
        }
        .sidebar {
            background: var(--bg-alt);
            padding: 25px;
            border-radius: 12px;
            border-left: 5px solid var(--accent);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            color: var(--dark);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 8px;
            border-bottom: 2px dashed var(--border);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--secondary);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--dark);
            background: var(--light);
            padding: 20px;
            border-radius: 8px;
            border-left: 5px solid var(--accent);
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(120deg, #ffecb3 0%, #ffecb3 100%);
            padding: 3px 6px;
            border-radius: 3px;
            font-weight: 600;
        }
        .block-quote {
            border-left: 4px solid var(--secondary);
            padding-left: 20px;
            margin: 2rem 0;
            font-style: italic;
            color: var(--text-light);
            background: var(--bg-alt);
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
        }
        .image-container img {
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
            box-shadow: 0 12px 35px rgba(0,0,0,0.15);
        }
        .image-caption {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 10px;
            font-style: italic;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px var(--shadow);
            border-top: 4px solid var(--accent);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-card h4 {
            font-size: 2.5rem;
            color: var(--primary);
            margin: 10px 0;
        }
        .link-list {
            background: var(--light);
            padding: 20px;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .link-list ul {
            list-style: none;
            columns: 2;
        }
        .link-list li {
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }
        .link-list li:before {
            content: '▶';
            color: var(--secondary);
            position: absolute;
            left: 0;
            font-size: 0.8rem;
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--text-light);
            text-align: right;
            margin-top: 3rem;
            padding-top: 15px;
            border-top: 1px solid var(--border);
        }
        .widget {
            margin-bottom: 30px;
            padding-bottom: 25px;
            border-bottom: 1px solid var(--border);
        }
        .widget:last-child {
            border-bottom: none;
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--secondary);
        }
        .user-interaction {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px var(--shadow);
        }
        .rating {
            display: flex;
            align-items: center;
            justify-content: space-around;
            margin: 20px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .star:hover,
        .star.active {
            color: var(--warning);
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s, box-shadow 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 176, 255, 0.2);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, var(--primary), var(--dark));
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(to right, var(--secondary), #e65100);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 111, 0, 0.3);
        }
        .btn-block {
            width: 100%;
        }
        .site-footer {
            background: linear-gradient(135deg, var(--dark), #000051);
            color: white;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(to right, #ffd166, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #bbbbff;
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 8px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 6px;
            margin: 15px 0;
            border-left: 3px solid var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaaaee;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: 15px;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            .main-nav {
                display: none;
                width: 100%;
                margin-top: 15px;
            }
            .main-nav.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
            }
            .nav-list a {
                padding: 15px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
            .link-list ul {
                columns: 1;
            }
        }