:root {
            --primary: #1a365d;
            --secondary: #2d3748;
            --accent: #e53e3e;
            --highlight: #f6ad55;
            --light: #f7fafc;
            --dark: #2d3748;
            --text: #4a5568;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--light);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: var(--highlight);
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: all 0.3s ease;
        }
        .nav-links a:hover, .nav-links a.active {
            background: rgba(255, 255, 255, 0.2);
            color: var(--highlight);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #edf2f7;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--accent);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--highlight);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--secondary);
            margin: 2.5rem 0 1.2rem;
            padding-left: 10px;
            border-left: 5px solid var(--accent);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--primary);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        strong {
            color: var(--accent);
            font-weight: 700;
        }
        em {
            color: var(--highlight);
            font-style: italic;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight-box {
            background: linear-gradient(90deg, #fff5f5, #fed7d7);
            border-left: 6px solid var(--accent);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 1.5rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease;
        }
        img:hover {
            transform: scale(1.01);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--text);
            margin-top: -0.5rem;
            margin-bottom: 1.5rem;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin: 2rem 0;
            list-style: none;
        }
        .link-list li {
            background: var(--light);
            padding: 1rem;
            border-radius: var(--radius);
            transition: all 0.3s ease;
        }
        .link-list li:hover {
            background: #e2e8f0;
            transform: translateY(-3px);
        }
        .link-list a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .link-list a:hover {
            color: var(--accent);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-section {
            margin-bottom: 2rem;
        }
        .sidebar-section h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--highlight);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.2);
        }
        button {
            padding: 0.8rem 1.5rem;
            background: linear-gradient(135deg, var(--accent), #c53030);
            color: white;
            border: none;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        button:hover {
            background: linear-gradient(135deg, #c53030, var(--accent));
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin-bottom: 1rem;
        }
        .rating-stars i {
            color: #cbd5e0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.3s ease;
        }
        .rating-stars i:hover, .rating-stars i.active {
            color: #f6ad55;
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--text);
            text-align: right;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #e2e8f0;
        }
        footer {
            background: var(--primary);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--highlight);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-section p, .footer-section a {
            color: #cbd5e0;
            margin-bottom: 0.8rem;
            display: block;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-section a:hover {
            color: white;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #90cdf4;
            text-decoration: none;
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0.5rem;
                margin-top: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                right: 20px;
                top: 1.5rem;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
