* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #2a4365;
            --secondary-color: #d69e2e;
            --accent-color: #38a169;
            --light-bg: #f7fafc;
            --dark-text: #2d3748;
            --light-text: #718096;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light-bg);
            color: var(--dark-text);
            line-height: 1.7;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary-color);
        }
        .my-logo:hover {
            color: var(--secondary-color);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            text-decoration: none;
            color: var(--dark-text);
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: var(--primary-color);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary-color);
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--light-text);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-container {
            background: linear-gradient(135deg, var(--primary-color), #4c7cb3);
            padding: 30px 0;
            margin-bottom: 40px;
            border-radius: var(--border-radius);
            text-align: center;
            color: white;
        }
        .search-container h2 {
            margin-bottom: 15px;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-box input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
        }
        .search-box button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #b7791f;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding-bottom: 30px;
            border-bottom: 2px solid #e2e8f0;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            justify-content: center;
            gap: 20px;
            color: var(--light-text);
            font-size: 0.95rem;
            flex-wrap: wrap;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .main-content h2 {
            color: var(--primary-color);
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary-color);
            font-size: 2rem;
        }
        .main-content h3 {
            color: var(--accent-color);
            margin: 30px 0 15px;
            font-size: 1.6rem;
        }
        .main-content h4 {
            color: var(--dark-text);
            margin: 25px 0 12px;
            font-size: 1.3rem;
        }
        .main-content p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .main-content strong {
            color: var(--primary-color);
            background-color: #e6fffa;
            padding: 2px 6px;
            border-radius: 4px;
        }
        .highlight-box {
            background-color: #f0fff4;
            border-left: 5px solid var(--accent-color);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .feature-img {
            width: 100%;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .link-list {
            background-color: var(--light-bg);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .link-list ul {
            list-style-position: inside;
            color: var(--primary-color);
        }
        .link-list li {
            margin-bottom: 10px;
        }
        .link-list a {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 600;
        }
        .link-list a:hover {
            text-decoration: underline;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e2e8f0;
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            font-size: 1.8rem;
            color: #f6e05e;
            margin-bottom: 15px;
        }
        .rating-widget .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea,
        .rating-form select {
            width: 100%;
            padding: 15px;
            margin-bottom: 15px;
            border: 1px solid #cbd5e0;
            border-radius: var(--border-radius);
            font-size: 1rem;
            resize: vertical;
        }
        .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            text-decoration: none;
        }
        .btn:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
        }
        .btn-accent {
            background-color: var(--accent-color);
        }
        .site-footer {
            background-color: var(--primary-color);
            color: white;
            margin-top: 60px;
            padding: 50px 0 20px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }
        @media (max-width: 768px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        .footer-col h4 {
            margin-bottom: 25px;
            font-size: 1.3rem;
            color: var(--secondary-color);
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 12px;
        }
        .footer-col a {
            color: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 15px;
            border-radius: var(--border-radius);
            margin-top: 15px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: white;
                box-shadow: var(--shadow);
                padding: 20px;
                border-radius: 0 0 var(--border-radius) var(--border-radius);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .main-content {
                padding: 25px;
            }
            .main-content h2 {
                font-size: 1.8rem;
            }
        }