:root {
            --primary-dark: #0a1a2d;
            --primary-blue: #1a5fb4;
            --accent-gold: #f0b429;
            --neutral-light: #f5f7fa;
            --neutral-gray: #8a9ba8;
            --text-dark: #2c3e50;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--neutral-light);
            color: var(--text-dark);
            line-height: 1.7;
            max-width: 1600px;
            margin: 0 auto;
            padding: 0;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--accent-gold);
        }
        .container {
            width: 100%;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #152642 100%);
            color: white;
            padding: 1.5rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            background: linear-gradient(90deg, var(--accent-gold), #ffd166);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo span {
            color: var(--primary-blue);
            -webkit-text-fill-color: var(--primary-blue);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--accent-gold);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #e0e6ed;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(26, 95, 180, 0.3);
            color: white;
        }
        .breadcrumb {
            background-color: #eef2f7;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            color: var(--neutral-gray);
            border-bottom: 1px solid #dce1e8;
        }
        .breadcrumb a {
            color: var(--neutral-gray);
        }
        .breadcrumb a:hover {
            color: var(--primary-blue);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2.5rem 0;
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        h1 {
            font-size: 3.2rem;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--accent-gold);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary-blue);
            margin: 2.8rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #e0e6ed;
        }
        h3 {
            font-size: 1.7rem;
            color: var(--text-dark);
            margin: 2.2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #5c7080;
            margin: 1.8rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary-dark);
            background-color: #f8fafc;
            padding: 1.5rem;
            border-left: 5px solid var(--accent-gold);
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        em {
            color: #7b8b9a;
            font-style: italic;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        blockquote {
            border-left: 4px solid var(--primary-blue);
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: #5c7080;
            font-style: italic;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2.5rem auto;
            display: block;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            border: 1px solid #e0e6ed;
        }
        .interactive-module {
            background: linear-gradient(145deg, #f0f5ff, #ffffff);
            border: 1px solid #d0d7e2;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.04);
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        .search-box, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        input, textarea, select {
            padding: 0.9rem 1.2rem;
            border: 1px solid #c1c8d1;
            border-radius: 6px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.1);
        }
        button, .btn {
            background: linear-gradient(90deg, var(--primary-blue), #2a7de9);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #1a5fb4, #3d8cf0);
            transform: translateY(-2px);
            box-shadow: 0 7px 14px rgba(26, 95, 180, 0.2);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin: 0.5rem 0;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: var(--accent-gold);
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
            border: 1px solid #e8edf3;
        }
        .sidebar-title {
            color: var(--primary-dark);
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--accent-gold);
        }
        .link-list {
            list-style: none;
            margin: 0;
        }
        .link-list li {
            margin-bottom: 0.9rem;
            padding-bottom: 0.9rem;
            border-bottom: 1px dotted #e8edf3;
        }
        .link-list a {
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-list a:hover {
            color: var(--primary-blue);
        }
        .update-info {
            font-size: 0.9rem;
            color: var(--neutral-gray);
            background-color: #f8fafc;
            padding: 1rem;
            border-radius: 6px;
            border-left: 4px solid var(--neutral-gray);
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: #b0bcc9;
            padding: 3.5rem 20px 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-nav h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
        }
        .footer-nav ul {
            list-style: none;
            margin: 0;
        }
        .footer-nav li {
            margin-bottom: 0.8rem;
        }
        .footer-nav a {
            color: #b0bcc9;
        }
        .footer-nav a:hover {
            color: white;
            padding-left: 5px;
            transition: all 0.2s;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            border-left: 4px solid var(--primary-blue);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #2a3a52;
            color: #8a9ba8;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .article-content {
                padding: 2rem;
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .mobile-toggle {
                display: block;
                order: 1;
            }
            .my-logo {
                order: 0;
                font-size: 1.8rem;
            }
            .main-nav {
                order: 2;
                flex-basis: 100%;
                margin-top: 1.5rem;
                display: none;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .interactive-module {
                padding: 1.5rem;
            }
        }