:root {
            --primary-dark: #1a365d;
            --primary: #2c5282;
            --primary-light: #4299e1;
            --accent-gold: #d69e2e;
            --accent-light: #e2e8f0;
            --text-dark: #2d3748;
            --text-light: #4a5568;
            --background: #f7fafc;
            --white: #ffffff;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--background);
            font-size: 18px;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: var(--white);
            transform: scale(1.03);
            transition: var(--transition);
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .main-nav {
            display: flex;
            gap: 30px;
        }
        .main-nav a {
            color: var(--accent-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--white);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--accent-light);
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        article {
            background-color: var(--white);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 3.2rem;
            color: var(--primary-dark);
            margin-bottom: 25px;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-gold);
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.3rem;
            color: var(--primary);
            margin: 35px 0 20px;
            padding-top: 10px;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--text-dark);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--text-light);
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 22px;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(66, 153, 225, 0.08);
            padding: 20px;
            border-left: 4px solid var(--primary-light);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-bottom: 30px;
        }
        strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        em {
            color: var(--accent-gold);
            font-style: italic;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--radius);
            margin: 30px auto;
            display: block;
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s ease;
        }
        .content-img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: -20px;
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
        .highlight-box {
            background: linear-gradient(to right, #fef3c7, #fde68a);
            border-left: 5px solid var(--accent-gold);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 25px 0;
        }
        .link-list a {
            background-color: var(--primary-light);
            color: var(--white);
            padding: 10px 20px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .link-list a:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--text-light);
            background-color: var(--accent-light);
            padding: 10px 20px;
            border-radius: var(--radius);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-top: 20px;
        }
        aside {
            background-color: var(--white);
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 30px;
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--primary-dark);
            padding-bottom: 10px;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--accent-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form,
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #cbd5e0;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: var(--white);
            border: none;
            padding: 14px 25px;
            border-radius: var(--radius);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            text-decoration: none;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, var(--primary-dark), var(--primary));
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .stars {
            display: flex;
            justify-content: space-between;
            margin: 10px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-gold);
        }
        footer {
            background-color: var(--primary-dark);
            color: var(--accent-light);
            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;
            color: var(--accent-gold);
            margin-bottom: 20px;
            display: block;
        }
        .footer-links h4 {
            color: var(--white);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: var(--accent-light);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: var(--white);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            padding: 15px;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        friend-link a {
            color: var(--accent-gold);
            font-weight: 600;
            text-decoration: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2.1rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0;
                margin-top: 20px;
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav a {
                padding: 15px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .hamburger {
                display: block;
            }
            article {
                padding: 25px;
            }
            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            body {
                font-size: 16px;
            }
            .container {
                padding: 0 15px;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        article, aside {
            animation: fadeInUp 0.6s ease-out;
        }
        @media print {
            header, aside, footer, .breadcrumb, .hamburger, .link-list, .widget {
                display: none;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            body {
                font-size: 12pt;
                background: white;
                color: black;
            }
        }