:root {
        --primary-dark: #1a365d;
        --primary-medium: #2c5282;
        --primary-light: #4299e1;
        --accent-gold: #d69e2e;
        --accent-light: #e2e8f0;
        --text-dark: #2d3748;
        --text-light: #f7fafc;
        --success: #48bb78;
        --warning: #ed8936;
        --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        --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: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
        max-width: 1400px;
        margin: 0 auto;
        padding: 0;
    }
    header {
        background: var(--primary-dark);
        color: var(--text-light);
        padding: 1rem 2rem;
        position: sticky;
        top: 0;
        z-index: 1000;
        box-shadow: var(--shadow);
    }
    .header-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .my-logo {
        font-family: 'Georgia', serif;
        font-size: 2.2rem;
        font-weight: 700;
        color: var(--accent-gold);
        text-decoration: none;
        letter-spacing: 2px;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        transition: var(--transition);
    }
    .my-logo:hover {
        color: white;
        transform: scale(1.05);
    }
    .my-logo span {
        color: var(--primary-light);
    }
    nav ul {
        display: flex;
        list-style: none;
        gap: 2rem;
    }
    nav a {
        color: var(--text-light);
        text-decoration: none;
        font-weight: 600;
        padding: 0.5rem 1rem;
        border-radius: 4px;
        transition: var(--transition);
    }
    nav a:hover, nav a.active {
        background: var(--primary-light);
        color: white;
    }
    .hamburger {
        display: none;
        background: none;
        border: none;
        color: white;
        font-size: 1.8rem;
        cursor: pointer;
    }
    .breadcrumb {
        background: var(--accent-light);
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
        border-bottom: 1px solid #cbd5e0;
    }
    .breadcrumb a {
        color: var(--primary-medium);
        text-decoration: none;
    }
    .breadcrumb a:hover {
        text-decoration: underline;
    }
    .container {
        display: grid;
        grid-template-columns: 1fr 300px;
        gap: 2.5rem;
        padding: 2rem;
    }
    main {
        background: white;
        padding: 2.5rem;
        border-radius: 12px;
        box-shadow: var(--shadow);
    }
    aside {
        background: white;
        padding: 1.5rem;
        border-radius: 12px;
        box-shadow: var(--shadow);
        height: fit-content;
    }
    h1 {
        color: var(--primary-dark);
        font-size: 2.8rem;
        margin-bottom: 1.5rem;
        border-bottom: 3px solid var(--accent-gold);
        padding-bottom: 0.5rem;
    }
    h2 {
        color: var(--primary-medium);
        font-size: 2rem;
        margin: 2.5rem 0 1.2rem;
        padding-left: 0.5rem;
        border-left: 5px solid var(--accent-gold);
    }
    h3 {
        color: var(--primary-dark);
        font-size: 1.6rem;
        margin: 2rem 0 1rem;
    }
    h4 {
        color: var(--primary-medium);
        font-size: 1.3rem;
        margin: 1.5rem 0 0.8rem;
    }
    p {
        margin-bottom: 1.5rem;
        text-align: justify;
    }
    .lead {
        font-size: 1.2rem;
        color: var(--primary-dark);
        font-weight: 600;
        padding: 1rem;
        background: #ebf8ff;
        border-radius: 8px;
        border-left: 4px solid var(--primary-light);
    }
    .highlight {
        background: linear-gradient(120deg, #f0fff4 0%, #dcffe4 100%);
        padding: 2rem;
        border-radius: 10px;
        margin: 2rem 0;
        border: 1px solid var(--success);
    }
    .data-box {
        background: #f7fafc;
        border: 2px dashed #cbd5e0;
        padding: 1.5rem;
        margin: 1.5rem 0;
        border-radius: 10px;
    }
    .quote {
        font-style: italic;
        color: var(--primary-medium);
        border-left: 4px solid var(--accent-gold);
        padding-left: 1.5rem;
        margin: 2rem 0;
    }
    .author {
        font-weight: bold;
        color: var(--primary-dark);
        text-align: right;
    }
    img {
        max-width: 100%;
        height: auto;
        border-radius: 10px;
        box-shadow: var(--shadow);
        display: block;
        margin: 2rem auto;
        border: 1px solid #e2e8f0;
    }
    .link-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
        margin: 2rem 0;
    }
    .link-card {
        background: #f8f9fa;
        padding: 1rem;
        border-radius: 8px;
        transition: var(--transition);
        border: 1px solid #e9ecef;
    }
    .link-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 6px 12px rgba(0,0,0,0.1);
        border-color: var(--primary-light);
    }
    .link-card a {
        color: var(--primary-dark);
        text-decoration: none;
        font-weight: 600;
        display: block;
    }
    .link-card a:hover {
        color: var(--primary-light);
    }
    .search-box, .comment-form, .rating-form {
        background: #f8fafc;
        padding: 1.5rem;
        border-radius: 10px;
        margin: 2.5rem 0;
        border: 1px solid #e2e8f0;
    }
    .search-box h3, .comment-form h3, .rating-form h3 {
        margin-top: 0;
        color: var(--primary-medium);
    }
    input, textarea, select {
        width: 100%;
        padding: 0.8rem;
        margin-bottom: 1rem;
        border: 1px solid #cbd5e0;
        border-radius: 6px;
        font-family: inherit;
        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 {
        background: var(--primary-medium);
        color: white;
        border: none;
        padding: 0.8rem 1.5rem;
        border-radius: 6px;
        cursor: pointer;
        font-weight: 600;
        transition: var(--transition);
    }
    button:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
    }
    .stars {
        display: flex;
        gap: 0.5rem;
        margin: 1rem 0;
    }
    .star {
        font-size: 1.8rem;
        color: #e2e8f0;
        cursor: pointer;
        transition: var(--transition);
    }
    .star:hover, .star.active {
        color: var(--accent-gold);
    }
    .update-time {
        font-size: 0.9rem;
        color: #718096;
        text-align: right;
        margin-top: 2rem;
        padding-top: 1rem;
        border-top: 1px solid #e2e8f0;
    }
    footer {
        background: var(--primary-dark);
        color: var(--text-light);
        padding: 3rem 2rem 1.5rem;
        margin-top: 3rem;
    }
    .footer-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
        margin-bottom: 2rem;
    }
    .footer-section h4 {
        color: var(--accent-gold);
        margin-bottom: 1.2rem;
        font-size: 1.2rem;
    }
    .footer-section a {
        color: #cbd5e0;
        text-decoration: none;
        display: block;
        margin-bottom: 0.6rem;
        transition: var(--transition);
    }
    .footer-section a:hover {
        color: white;
        padding-left: 0.5rem;
    }
    friend-link {
        display: inline-block;
        background: rgba(255,255,255,0.1);
        padding: 0.5rem 1rem;
        margin: 0.5rem;
        border-radius: 4px;
        transition: var(--transition);
    }
    friend-link a {
        color: var(--accent-light) !important;
        font-weight: 600;
    }
    friend-link:hover {
        background: rgba(255,255,255,0.2);
        transform: translateY(-3px);
    }
    .copyright {
        text-align: center;
        padding-top: 1.5rem;
        border-top: 1px solid #2d3748;
        font-size: 0.9rem;
        color: #a0aec0;
    }
    @media (max-width: 992px) {
        .container {
            grid-template-columns: 1fr;
        }
        h1 {
            font-size: 2.3rem;
        }
        h2 {
            font-size: 1.8rem;
        }
    }
    @media (max-width: 768px) {
        .header-container {
            flex-wrap: wrap;
        }
        nav ul {
            display: none;
            width: 100%;
            flex-direction: column;
            gap: 0;
            margin-top: 1rem;
        }
        nav ul.show {
            display: flex;
        }
        nav a {
            display: block;
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .hamburger {
            display: block;
        }
        .link-list {
            grid-template-columns: 1fr;
        }
        main, aside {
            padding: 1.5rem;
        }
        h1 {
            font-size: 2rem;
        }
    }
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(20px); }
        to { opacity: 1; transform: translateY(0); }
    }
    main, aside {
        animation: fadeIn 0.6s ease-out;
    }