* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #1a365d;
            --secondary-color: #c53030;
            --accent-color: #ecc94b;
            --light-bg: #f7fafc;
            --dark-text: #2d3748;
            --light-text: #718096;
            --border-color: #e2e8f0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
        body {
            background-color: #fff;
            color: var(--dark-text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .header-container {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2d4a7c 100%);
            color: white;
            padding: 1rem 2rem;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .top-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .search-form {
            display: flex;
            flex-grow: 1;
            max-width: 500px;
            margin: 0 2rem;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.75rem 1rem;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background-color: #9b2c2c;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .main-nav {
            display: flex;
            margin-top: 1rem;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            padding: 0.5rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            padding: 0.75rem 1.5rem;
            border-radius: 4px;
            transition: all 0.3s;
            font-weight: 500;
            margin: 0.2rem;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent-color);
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: var(--light-bg);
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--light-text);
            margin: 0 5px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background-color: white;
            border-radius: 10px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--secondary-color);
            padding-left: 1.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #4a5568;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .intro {
            font-size: 1.2rem;
            background-color: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            border-left: 4px solid var(--accent-color);
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border: 1px solid #f6e05e;
        }
        .highlight p {
            margin-bottom: 0;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        .content-img:hover {
            transform: scale(1.01);
        }
        figcaption {
            text-align: center;
            font-style: italic;
            color: var(--light-text);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        a.content-link {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--secondary-color);
            transition: all 0.2s;
        }
        a.content-link:hover {
            color: #9b2c2c;
            border-bottom-style: solid;
        }
        strong {
            color: var(--primary-color);
        }
        em {
            color: #2d4a7c;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #1a365d, #2d4a7c);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-card h4 {
            color: var(--accent-color);
            margin-top: 0;
            font-size: 1.1rem;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            margin: 0.5rem 0;
        }
        .quote {
            font-size: 1.3rem;
            font-style: italic;
            color: var(--primary-color);
            border-left: 5px solid var(--accent-color);
            padding-left: 2rem;
            margin: 3rem 2rem;
            background-color: #fefcbf;
            padding: 2rem;
            border-radius: 0 10px 10px 0;
        }
        .author {
            text-align: right;
            font-weight: bold;
            color: var(--secondary-color);
            margin-top: 1rem;
        }
        .update-time {
            background-color: var(--light-bg);
            padding: 1rem;
            border-radius: 6px;
            text-align: center;
            margin: 2rem 0;
            font-size: 0.95rem;
            color: var(--light-text);
        }
        aside {
            padding-top: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: 10px;
            padding: 1.8rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: var(--primary-color);
            margin-top: 0;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--border-color);
        }
        .related-links ul {
            margin-left: 0;
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed var(--border-color);
        }
        .related-links a {
            color: var(--dark-text);
            text-decoration: none;
            display: flex;
            align-items: center;
            transition: color 0.3s;
        }
        .related-links a:hover {
            color: var(--secondary-color);
        }
        .related-links i {
            margin-right: 10px;
            color: var(--secondary-color);
        }
        .interaction {
            margin-top: 3rem;
        }
        .rating-section, .comment-section {
            background-color: white;
            border-radius: 10px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            font-size: 2rem;
            color: #e2e8f0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            margin-right: 5px;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent-color);
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary-color);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: #9b2c2c;
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 {
            color: var(--accent-color);
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid rgba(236, 201, 75, 0.3);
            padding-bottom: 0.5rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--accent-color);
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 1.5rem;
        }
        friend-link a {
            color: var(--accent-color);
            font-weight: 600;
            text-decoration: none;
            font-size: 1.1rem;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            .search-form {
                order: 3;
                margin: 1rem 0 0;
                max-width: 100%;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .header-container, .breadcrumb, .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            article {
                padding: 1.5rem;
            }
            .top-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: 1rem;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
            .quote {
                margin: 2rem 0;
                padding: 1.5rem;
            }
        }
        @media print {
            .header-container, .breadcrumb, aside, .interaction, footer {
                display: none;
            }
            .container {
                grid-template-columns: 1fr;
            }
        }