:root {
            --primary-color: #f97316;
            --secondary-color: #1e293b;
            --accent-color: #3b82f6;
            --light-bg: #f8fafc;
            --dark-bg: #0f172a;
            --text-color: #334155;
            --text-light: #64748b;
            --border-radius: 12px;
            --shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-color);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 100%);
            padding: 1.5rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--primary-color), #fbbf24);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: -1px;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e2e8f0;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #94a3b8;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 1.8rem;
            list-style: none;
        }
        .nav-links a {
            color: #cbd5e1;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 0;
            left: 0;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }
        .nav-links a:hover {
            color: white;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            background: none;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }
        .hero {
            background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.95)), url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 5rem 2rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            color: #cbd5e1;
        }
        .search-container {
            max-width: 600px;
            margin: 2rem auto;
            position: relative;
        }
        #search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
        }
        #search-input {
            flex-grow: 1;
            padding: 1.2rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            background-color: white;
        }
        #search-input:focus {
            outline: none;
        }
        #search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: var(--transition);
        }
        #search-form button:hover {
            background-color: #ea580c;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 4rem;
        }
        .article-content {
            background-color: white;
            padding: 3rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-content h1,
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--secondary-color);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .article-content h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--primary-color);
            padding-bottom: 0.5rem;
            margin-top: 0;
        }
        .article-content h2 {
            font-size: 2.2rem;
            padding-left: 1rem;
            border-left: 5px solid var(--accent-color);
        }
        .article-content h3 {
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .article-content h4 {
            font-size: 1.4rem;
            color: var(--text-light);
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-content strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .article-content em {
            color: var(--accent-color);
            font-style: italic;
        }
        .article-content ul, .article-content ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.7rem;
        }
        .article-content blockquote {
            border-left: 5px solid var(--primary-color);
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            background-color: #fff7ed;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            font-style: italic;
            font-size: 1.2rem;
        }
        .info-box {
            background-color: #f0f9ff;
            border: 2px solid #bae6fd;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 2.5rem 0;
        }
        .info-box h3 {
            margin-top: 0;
            color: #0369a1;
        }
        .featured-image {
            width: 100%;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .internal-link {
            background-color: #fef3c7;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            border-bottom: 2px solid #f59e0b;
            font-weight: 600;
        }
        .internal-link:hover {
            background-color: #fde68a;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 1.8rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--secondary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid #e2e8f0;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .sidebar-widget h3 i {
            color: var(--primary-color);
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #e2e8f0;
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star:hover ~ .star {
            color: #fbbf24;
        }
        .rating-stars .star.active {
            color: #f59e0b;
        }
        .rating-widget input, .rating-widget textarea, .rating-widget button {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            font-size: 1rem;
        }
        .rating-widget button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget button:hover {
            background-color: #ea580c;
        }
        .comment-section {
            margin-top: 4rem;
            padding-top: 3rem;
            border-top: 2px solid #e2e8f0;
        }
        .comment-section h2 {
            margin-bottom: 2rem;
        }
        #comment-form {
            display: grid;
            gap: 1.2rem;
            margin-bottom: 3rem;
        }
        #comment-form input,
        #comment-form textarea {
            padding: 1rem;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        #comment-form input:focus,
        #comment-form textarea:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }
        #comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        #comment-form button {
            padding: 1rem 2rem;
            background-color: var(--accent-color);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            justify-self: start;
        }
        #comment-form button:hover {
            background-color: #2563eb;
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: #cbd5e1;
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-top: 1rem;
            border-left: 4px solid var(--primary-color);
        }
        friend-link a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #fef3c7;
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 1rem;
            color: #92400e;
            font-weight: 600;
        }
        .update-time i {
            font-size: 1.5rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background-color: var(--dark-bg);
                width: 100%;
                padding: 2rem;
                transition: left 0.3s ease;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                z-index: 999;
            }
            .nav-links.active {
                left: 0;
            }
            .hero h1 {
                font-size: 2.3rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .article-content {
                padding: 2rem;
            }
            .article-content h1 {
                font-size: 2.2rem;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .header-content {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 3rem 1rem;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .sidebar-widget {
                padding: 1.5rem;
            }
        }
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .px-1 { padding-left: 1rem; padding-right: 1rem; }