:root {
            --primary-dark: #0f1923;
            --primary-accent: #ff4655;
            --secondary-accent: #1e90ff;
            --neutral-light: #f8f9fa;
            --neutral-mid: #ece8e1;
            --neutral-dark: #303030;
            --text-primary: #333;
            --text-light: #fff;
            --shadow: 0 4px 12px rgba(15, 25, 35, 0.1);
            --border-radius: 8px;
            --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-primary);
            background-color: var(--neutral-light);
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-accent);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--primary-dark);
            color: var(--text-light);
            padding: 1rem 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 {
            font-family: 'Arial Black', sans-serif;
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary-accent);
            letter-spacing: -1px;
        }
        .my-logo span {
            color: var(--neutral-mid);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--neutral-mid);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary-accent);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-accent);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--neutral-mid);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--neutral-mid);
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: var(--neutral-dark);
        }
        .breadcrumb a {
            color: var(--primary-dark);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(rgba(15, 25, 35, 0.9), rgba(15, 25, 35, 0.8)), url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: var(--text-light);
            text-align: center;
            padding: 4rem 1rem;
            margin-bottom: 2rem;
            border-radius: var(--border-radius);
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto 0;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-box input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary-accent);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #e63e4d;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-meta {
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        h1, h2, h3, h4 {
            color: var(--primary-dark);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-left: 5px solid var(--primary-accent);
            padding-left: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--neutral-mid);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary-accent);
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--neutral-dark);
            background-color: #f0f8ff;
            padding: 1.5rem;
            border-left: 4px solid var(--secondary-accent);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 2rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            display: block;
            margin: 2rem auto;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        img:hover {
            transform: scale(1.01);
        }
        .float-right {
            float: right;
            margin-left: 2rem;
            max-width: 400px;
        }
        .float-left {
            float: left;
            margin-right: 2rem;
            max-width: 400px;
        }
        @media (max-width: 768px) {
            .float-right, .float-left {
                float: none;
                margin: 2rem auto;
                display: block;
            }
        }
        strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border: 1px solid #dee2e6;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin: 2rem 0;
            box-shadow: inset 0 2px 5px rgba(0,0,0,0.05);
        }
        .quote {
            font-style: italic;
            border-left: 4px solid var(--primary-accent);
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: #555;
        }
        .quote cite {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-weight: bold;
            color: var(--primary-dark);
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .content-link {
            background-color: #f0f8ff;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            border: 1px dashed #b3d9ff;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: var(--primary-dark);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--neutral-mid);
            margin-bottom: 1.5rem;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            margin-bottom: 1rem;
        }
        .stars label {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars input {
            display: none;
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: #ffc107;
        }
        .rating-widget input, .rating-widget textarea, .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .rating-widget button, .comment-form button {
            background-color: var(--primary-accent);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .rating-widget button:hover, .comment-form button:hover {
            background-color: #e63e4d;
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid #eee;
        }
        .related-links a {
            display: block;
            color: var(--primary-dark);
        }
        .related-links a:hover {
            color: var(--primary-accent);
            padding-left: 5px;
        }
        .update-time {
            background-color: #fff3cd;
            border: 1px solid #ffeaa7;
            color: #856404;
            padding: 1rem;
            border-radius: var(--border-radius);
            font-size: 0.9rem;
            text-align: center;
        }
        .comment-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 3px solid var(--neutral-mid);
        }
        .comment {
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 1.5rem;
            border-left: 4px solid #ccc;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.8rem;
            font-size: 0.9rem;
            color: #666;
        }
        .comment-author {
            font-weight: bold;
            color: var(--primary-dark);
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: var(--neutral-mid);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-accent);
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: var(--neutral-mid);
            margin-top: 0;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 1rem 0;
            border-left: 3px solid var(--secondary-accent);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--primary-dark);
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            article {
                padding: 1.5rem;
            }
            .main-content {
                gap: 2rem;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 2.5rem 1rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }