* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #2a4365;
            --secondary-color: #e53e3e;
            --accent-color: #38b2ac;
            --light-color: #f7fafc;
            --dark-color: #1a202c;
            --gray-color: #718096;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--light-color);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
        }
        .my-logo span {
            color: var(--secondary-color);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: var(--primary-color);
            background: none;
            border: none;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            font-weight: 600;
            padding: 8px 5px;
            position: relative;
        }
        nav a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        nav a:hover:after {
            width: 100%;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 12px 0;
            font-size: 0.9rem;
            color: var(--gray-color);
        }
        .breadcrumb a {
            color: var(--primary-color);
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .content-area {
            background-color: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.04);
        }
        aside {
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1, h2, h3, h4 {
            color: var(--dark-color);
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 4px solid var(--accent-color);
            padding-bottom: 15px;
            margin-top: 0;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            padding-left: 15px;
            border-left: 5px solid var(--secondary-color);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--accent-color);
        }
        h4 {
            font-size: 1.2rem;
            color: var(--gray-color);
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--primary-color);
            font-weight: 500;
            margin-bottom: 2em;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 25px;
            border-left: 5px solid #f6ad55;
            margin: 2em 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        blockquote {
            font-style: italic;
            border-left: 4px solid var(--accent-color);
            padding-left: 25px;
            margin: 2em 0;
            color: var(--gray-color);
        }
        .search-box {
            background-color: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            margin-bottom: 30px;
        }
        .search-box h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #e2e8f0;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--accent-color);
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--secondary-color);
        }
        .rating-widget, .comments-widget {
            background-color: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            margin-bottom: 30px;
        }
        .rating-widget h3, .comments-widget h3 {
            margin-top: 0;
        }
        .stars {
            display: flex;
            gap: 8px;
            margin: 15px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: #f6ad55;
        }
        .rating-form textarea, .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #e2e8f0;
            border-radius: 6px;
            margin: 15px 0;
            font-size: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .rating-form button, .comment-form button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover, .comment-form button:hover {
            background-color: var(--primary-color);
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--gray-color);
            text-align: right;
            margin-top: 40px;
            padding-top: 15px;
            border-top: 1px dashed #e2e8f0;
        }
        footer {
            background-color: var(--dark-color);
            color: #cbd5e0;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: white;
            margin-top: 0;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            color: #90cdf4;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            nav.active {
                max-height: 400px;
                margin-top: 15px;
            }
            nav ul {
                flex-direction: column;
                gap: 10px;
            }
            .content-area {
                padding: 25px;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }