:root {
            --primary-orange: #ff8a00;
            --primary-dark: #1a1a2e;
            --secondary-dark: #16213e;
            --accent-blue: #0f3460;
            --light-bg: #f8f9fa;
            --text-light: #e6e6e6;
            --text-muted: #aaaaaa;
            --border-color: #2d3748;
            --success-green: #38b000;
            --danger-red: #e63946;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --border-radius: 8px;
        }
        * {
            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-light);
            background-color: var(--primary-dark);
            background-image: linear-gradient(to bottom, var(--primary-dark), var(--secondary-dark));
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-orange);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ffad33;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-spacing {
            padding: 3rem 0;
        }
        .site-header {
            background-color: rgba(22, 33, 62, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary-orange);
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 20px;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff8a00, #ffcc00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .main-nav {
            display: flex;
            gap: 1.5rem;
        }
        .nav-link {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: var(--border-radius);
            position: relative;
        }
        .nav-link:hover {
            background-color: rgba(255, 138, 0, 0.15);
            text-decoration: none;
            color: var(--primary-orange);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary-orange);
            transition: var(--transition);
            transform: translateX(-50%);
        }
        .nav-link:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            background: none;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--text-light);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .breadcrumb {
            background-color: rgba(15, 52, 96, 0.7);
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary-orange);
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: var(--text-muted);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        .article-content {
            background-color: rgba(26, 26, 46, 0.85);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-orange);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-blue);
            padding-bottom: 0.8rem;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
        }
        h2 {
            font-size: 2rem;
            color: #4cc9f0;
            margin: 2.5rem 0 1.2rem 0;
            padding-left: 0.8rem;
            border-left: 5px solid var(--primary-orange);
        }
        h3 {
            font-size: 1.6rem;
            color: #90be6d;
            margin: 2rem 0 1rem 0;
        }
        h4 {
            font-size: 1.3rem;
            color: #f9c74f;
            margin: 1.5rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #b8d0eb;
            background-color: rgba(15, 52, 96, 0.3);
            padding: 1.2rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--primary-orange);
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: rgba(255, 138, 0, 0.1);
            border: 1px dashed var(--primary-orange);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
        }
        .note {
            background-color: rgba(56, 176, 0, 0.1);
            border-left: 4px solid var(--success-green);
            padding: 1rem 1rem 1rem 2rem;
            margin: 1.5rem 0;
            position: relative;
        }
        .note::before {
            content: '💡';
            position: absolute;
            left: 0.5rem;
            top: 1rem;
        }
        strong {
            color: #f9c74f;
            font-weight: 700;
        }
        em {
            color: #90be6d;
            font-style: italic;
        }
        .article-image {
            width: 100%;
            margin: 2.5rem auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
            border: 2px solid var(--accent-blue);
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-muted);
            padding: 0.8rem;
            background-color: rgba(15, 52, 96, 0.5);
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
            padding-left: 0.5rem;
        }
        .content-link {
            background-color: rgba(255, 138, 0, 0.15);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            border-bottom: 1px dotted var(--primary-orange);
        }
        .content-link:hover {
            background-color: rgba(255, 138, 0, 0.25);
            text-decoration: none;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .widget {
            background-color: rgba(26, 26, 46, 0.85);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
        }
        .widget-title {
            color: var(--primary-orange);
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-blue);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .widget-title i {
            font-size: 1.1rem;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-color);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            color: var(--text-light);
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-orange);
        }
        .search-btn {
            background-color: var(--primary-orange);
            color: var(--primary-dark);
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 700;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #ff9a1f;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.3rem;
            margin-bottom: 1rem;
        }
        .star {
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            transition: var(--transition);
        }
        .star.active,
        .star:hover,
        .star:hover ~ .star {
            color: gold;
        }
        .rating-form {
            display: none;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1rem;
        }
        .rating-form textarea {
            padding: 0.8rem;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            color: var(--text-light);
            font-family: inherit;
            resize: vertical;
            min-height: 80px;
        }
        .rating-form textarea:focus {
            outline: none;
            border-color: var(--primary-orange);
        }
        .submit-btn {
            background-color: var(--success-green);
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #2a9d00;
        }
        .comments-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid var(--accent-blue);
        }
        .comment-form {
            background-color: rgba(15, 52, 96, 0.3);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 2.5rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--text-light);
            font-weight: 600;
        }
        .form-input {
            width: 100%;
            padding: 0.8rem 1rem;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            color: var(--text-light);
            font-size: 1rem;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--primary-orange);
        }
        .site-footer {
            background-color: var(--secondary-dark);
            margin-top: 4rem;
            padding: 3rem 0 1.5rem 0;
            border-top: 2px solid var(--primary-orange);
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-widget h3 {
            color: var(--primary-orange);
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-links a:hover {
            color: var(--primary-orange);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            padding: 1rem;
            background-color: rgba(255, 138, 0, 0.1);
            border-radius: var(--border-radius);
            border: 1px solid var(--border-color);
        }
        friend-link a {
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-color);
        }
        .update-time {
            color: var(--success-green);
            font-weight: 600;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background-color: var(--secondary-dark);
                margin-top: 1rem;
                padding: 1rem;
                border-radius: var(--border-radius);
                border: 1px solid var(--border-color);
            }
            .main-nav.active {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .meta-info {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
        }
        ::-webkit-scrollbar {
            width: 10px;
        }
        ::-webkit-scrollbar-track {
            background: var(--secondary-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent-blue);
            border-radius: 5px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-orange);
        }