:root {
            --primary-dark: #0a2c3d;
            --primary-accent: #f39c12;
            --secondary-accent: #16a085;
            --background-light: #f5f7fa;
            --text-primary: #2c3e50;
            --text-secondary: #7f8c8d;
            --border-color: #dcdde1;
            --shadow-light: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-medium: 0 6px 18px rgba(0,0,0,0.12);
            --transition-speed: 0.3s;
        }
        * {
            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-primary);
            background-color: var(--background-light);
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--secondary-accent);
            transition: color var(--transition-speed);
        }
        a:hover {
            color: var(--primary-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .page-header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #1a5276 100%);
            color: white;
            padding: 1rem 2rem;
            box-shadow: var(--shadow-light);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: 'Trebuchet MS', sans-serif;
            letter-spacing: 1px;
        }
        .my-logo span {
            color: var(--primary-accent);
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-accent);
            transition: width var(--transition-speed);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e8f4fc;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary-accent);
        }
        .search-container {
            max-width: 800px;
            margin: 2.5rem auto;
            padding: 0 2rem;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow-medium);
        }
        .search-form input {
            flex-grow: 1;
            padding: 1.2rem 1.8rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-form button {
            background-color: var(--secondary-accent);
            color: white;
            border: none;
            padding: 0 2.5rem;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: background-color var(--transition-speed);
        }
        .search-form button:hover {
            background-color: #138d75;
        }
        .main-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background-color: white;
            border-radius: 12px;
            padding: 3rem;
            box-shadow: var(--shadow-light);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: var(--primary-dark);
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem 0;
            padding-bottom: 0.7rem;
            border-bottom: 3px solid var(--primary-accent);
            color: var(--primary-dark);
        }
        h3 {
            font-size: 1.6rem;
            margin: 2rem 0 1rem 0;
            color: #1a5276;
        }
        h4 {
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem 0;
            color: var(--secondary-accent);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-primary);
            font-weight: 500;
            background: #e8f4fc;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid var(--secondary-accent);
        }
        .highlight-box {
            background: linear-gradient(90deg, #fff9e6 0%, #fff0cc 100%);
            border-left: 5px solid var(--primary-accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-light);
            border-top: 5px solid var(--secondary-accent);
        }
        .stat-card h4 {
            color: var(--primary-dark);
            font-size: 1.1rem;
        }
        .stat-card .number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-accent);
            line-height: 1;
            margin: 0.5rem 0;
        }
        .featured-image {
            width: 100%;
            margin: 2.5rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-medium);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            transition: transform 0.5s;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--text-secondary);
            padding: 0.8rem;
            font-size: 0.95rem;
        }
        .content-link {
            font-weight: 700;
            color: #d35400;
            border-bottom: 1px dashed #d35400;
        }
        .content-link:hover {
            color: #a04000;
            border-bottom-style: solid;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: 12px;
            padding: 1.8rem;
            box-shadow: var(--shadow-light);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            color: var(--primary-dark);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 0.7rem;
        }
        .link-list {
            list-style: none;
            margin-top: 1rem;
        }
        .link-list li {
            margin-bottom: 0.9rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .link-list li::before {
            content: '▶';
            position: absolute;
            left: 0;
            color: var(--primary-accent);
            font-size: 0.8rem;
        }
        .interaction-section {
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 2px solid var(--border-color);
        }
        .rating-container {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 0.3rem;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color var(--transition-speed);
        }
        .star:hover,
        .star.active {
            color: #f1c40f;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea {
            padding: 1rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--secondary-accent);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color var(--transition-speed);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: #138d75;
        }
        footer {
            background-color: var(--primary-dark);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h4 {
            color: var(--primary-accent);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: #bdc3c7;
        }
        friend-link:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #fff9e6;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            margin: 2rem 0;
            font-weight: 600;
            color: #d35400;
            border: 1px dashed #f39c12;
        }
        @media (max-width: 1024px) {
            .main-wrapper {
                grid-template-columns: 1fr;
                gap: 2rem;
                padding: 1.5rem;
            }
            article {
                padding: 2rem;
            }
            h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .page-header {
                padding: 1rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--primary-dark);
                padding: 1.5rem;
                box-shadow: var(--shadow-medium);
            }
            .main-nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .breadcrumb {
                padding: 0.8rem 1rem;
                font-size: 0.85rem;
            }
            .search-container {
                margin: 1.5rem auto;
                padding: 0 1rem;
            }
            .search-form button {
                padding: 0 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            article {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .lead {
                font-size: 1.1rem;
                padding: 1.2rem;
            }
        }