:root {
            --primary-blue: #00a8e1;
            --secondary-green: #7cbb42;
            --dark-bg: #1a1a2e;
            --light-bg: #f0f5f9;
            --text-dark: #2d3436;
            --text-light: #f7f7f7;
            --accent-yellow: #ffd166;
            --accent-pink: #ef476f;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --shadow: 0 4px 12px 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-color: var(--light-bg);
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-pink);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: var(--spacing-sm) 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-yellow);
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        .my-logo i {
            color: var(--primary-blue);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--border-radius);
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: var(--primary-blue);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: var(--spacing-sm);
            font-size: 0.9rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            margin-bottom: var(--spacing-md);
        }
        .breadcrumb a {
            color: var(--text-dark);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(rgba(26, 26, 46, 0.85), rgba(26, 26, 46, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
            color: white;
            padding: var(--spacing-lg) 0;
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-yellow);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto var(--spacing-md);
        }
        .search-box {
            max-width: 600px;
            margin: var(--spacing-md) auto;
            display: flex;
        }
        .search-box input {
            flex-grow: 1;
            padding: 1rem;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--secondary-green);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #6aa82c;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
            color: var(--dark-bg);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-blue);
        }
        .article-content h2 {
            font-size: 2.2rem;
        }
        .article-content h3 {
            font-size: 1.8rem;
        }
        .article-content h4 {
            font-size: 1.4rem;
        }
        .article-content p {
            margin-bottom: var(--spacing-sm);
            text-align: justify;
        }
        .article-content strong {
            color: var(--accent-pink);
            font-weight: 700;
        }
        .article-content em {
            background-color: #fffacd;
            font-style: italic;
            padding: 0 2px;
        }
        .highlight-box {
            background-color: var(--light-bg);
            border-left: 5px solid var(--primary-blue);
            padding: var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .side-content {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .widget {
            background: white;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            color: var(--primary-blue);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .rating-widget,
        .comment-widget {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: var(--spacing-sm);
        }
        .stars .active {
            color: var(--accent-yellow);
        }
        .form-group {
            margin-bottom: var(--spacing-sm);
        }
        .form-group label {
            display: block;
            margin-bottom: 0.3rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .btn {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background-color: #0088c7;
            transform: translateY(-2px);
        }
        .btn-green {
            background-color: var(--secondary-green);
        }
        .btn-green:hover {
            background-color: #6aa82c;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #eee;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .link-list a:hover {
            color: var(--accent-pink);
        }
        .update-time {
            font-size: 0.9rem;
            color: #777;
            text-align: right;
            margin-top: var(--spacing-md);
            padding-top: var(--spacing-sm);
            border-top: 1px solid #eee;
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-md);
        }
        .footer-section h3 {
            color: var(--accent-yellow);
            margin-bottom: var(--spacing-sm);
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: var(--spacing-sm);
            margin-bottom: 0.5rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--dark-bg);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: var(--spacing-sm);
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .article-content {
                padding: var(--spacing-md);
            }
        }