:root {
            --primary-color: #4a6fa5;
            --secondary-color: #ff9a76;
            --accent-color: #166088;
            --text-dark: #333;
            --text-light: #666;
            --bg-light: #f8f9fa;
            --bg-white: #fff;
            --border-color: #eaeaea;
            --shadow: 0 5px 15px rgba(0,0,0,0.05);
            --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-color: var(--bg-light);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--bg-white);
            box-shadow: var(--shadow);
            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;
            color: var(--primary-color);
            display: flex;
            align-items: center;
        }
        .my-logo i {
            color: var(--secondary-color);
            margin-right: 10px;
        }
        .my-logo:hover {
            color: var(--accent-color);
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid var(--border-color);
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 0 25px;
            cursor: pointer;
            font-weight: 600;
        }
        .search-btn:hover {
            background-color: var(--accent-color);
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        nav {
            background-color: var(--accent-color);
        }
        .nav-list {
            list-style: none;
            display: flex;
            justify-content: center;
        }
        .nav-list li {
            position: relative;
        }
        .nav-list a {
            color: white;
            padding: 18px 24px;
            display: block;
            font-weight: 500;
            text-transform: uppercase;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }
        .nav-list a:hover {
            background-color: rgba(255,255,255,0.15);
        }
        .nav-list a.active {
            background-color: var(--secondary-color);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: var(--text-light);
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 25px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--accent-color);
            margin: 50px 0 25px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-color);
            margin: 35px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-dark);
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            color: var(--text-dark);
        }
        .lead {
            font-size: 1.3rem;
            color: var(--accent-color);
            font-weight: 500;
            margin-bottom: 30px;
            padding-left: 20px;
            border-left: 5px solid var(--secondary-color);
        }
        b, strong {
            color: var(--accent-color);
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 8px;
            margin: 30px auto;
            display: block;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .link-list {
            background-color: var(--bg-light);
            padding: 25px;
            border-radius: 8px;
            margin: 30px 0;
        }
        .link-list a {
            color: var(--primary-color);
            font-weight: 600;
        }
        .link-list a:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        .update-time {
            font-style: italic;
            color: var(--text-light);
            font-size: 0.95rem;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px dashed var(--border-color);
        }
        aside {
            position: sticky;
            top: 150px;
            height: fit-content;
        }
        .sidebar-widget {
            background-color: var(--bg-white);
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: var(--accent-color);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-dark);
        }
        input, textarea, select {
            padding: 14px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            border-color: var(--primary-color);
            outline: none;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .stars {
            display: flex;
            gap: 10px;
            direction: rtl;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star:hover ~ .star {
            color: #ffc107;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 16px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--accent-color);
        }
        footer {
            background-color: var(--accent-color);
            color: white;
            padding: 60px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.5rem;
        }
        .footer-links a {
            display: block;
            margin-bottom: 12px;
            color: #d1d1d1;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin-bottom: 12px;
            color: #d1d1d1;
        }
        friend-link a {
            color: #d1d1d1;
        }
        friend-link a:hover {
            color: var(--secondary-color);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                margin-top: 20px;
                max-width: 100%;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--accent-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-list {
                flex-direction: column;
            }
            .nav-list a {
                padding: 15px 20px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            #menu-toggle:checked ~ nav {
                display: block;
            }
            article {
                padding: 30px 20px;
            }
        }
        @media (max-width: 576px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }