:root {
            --primary: #2a2d43;
            --secondary: #ff4655;
            --accent: #00c8ff;
            --light: #f5f5f7;
            --dark: #1a1c2b;
            --gray: #8a8ca0;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }
        body {
            background-color: var(--light);
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--dark);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .my-logo a {
            background: none;
            color: inherit;
        }
        .search-form {
            display: flex;
            background: white;
            border-radius: 50px;
            overflow: hidden;
            width: 300px;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 12px 20px;
            outline: none;
        }
        .search-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 20px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--accent);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            background-color: var(--primary);
            border-radius: var(--border-radius);
            padding: 5px;
        }
        .main-nav a {
            color: white;
            padding: 12px 22px;
            display: block;
            border-radius: 8px;
            font-weight: 600;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: var(--secondary);
            color: white;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f0f0f5;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 8px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 2px solid var(--light);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--dark);
            line-height: 1.2;
            margin-bottom: 15px;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .update-time {
            color: var(--secondary);
            font-weight: 600;
        }
        h2, h3, h4 {
            color: var(--primary);
            margin-top: 2em;
            margin-bottom: 0.8em;
            line-height: 1.3;
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid var(--accent);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary);
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--dark);
            background: #f8f9ff;
            padding: 20px;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent);
            margin-bottom: 2em;
        }
        b, strong {
            color: var(--dark);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
            border: 1px solid #d1c4e9;
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 2em 0;
        }
        .img-container {
            margin: 2.5em auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            border: 1px solid #ddd;
        }
        .img-caption {
            margin-top: 10px;
            font-style: italic;
            color: var(--gray);
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2em;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 0.7em;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 2em 0;
            padding: 20px;
            background-color: #f9f9ff;
            border-radius: var(--border-radius);
        }
        .link-list a {
            background: white;
            padding: 10px 20px;
            border-radius: 50px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            border: 1px solid #e1e1f0;
            font-weight: 600;
        }
        .link-list a:hover {
            background: var(--secondary);
            color: white;
            transform: translateY(-3px);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light);
        }
        .rating-form label, .comment-form label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .rating-form input, .rating-form select,
        .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn-submit {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .btn-submit:hover {
            background: var(--accent);
        }
        .star-rating {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .site-footer {
            background-color: var(--dark);
            color: #ccc;
            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-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 15px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 15px;
        }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.05);
            padding: 8px 18px;
            border-radius: 6px;
            border: 1px solid #333;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,70,85,0.2);
            border-color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #8a8ca0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .article-header h1 {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                background: var(--dark);
                transition: 0.5s;
                z-index: 999;
                padding: 20px;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                background: none;
                padding: 0;
            }
            .main-nav a {
                padding: 15px;
                border-radius: 0;
                border-bottom: 1px solid #333;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                width: 100%;
                margin-top: 15px;
            }
            .article {
                padding: 25px;
            }
        }