:root {
            --primary-color: #0B2265; 
            --secondary-color: #A6192E; 
            --accent-color: #FFC72C; 
            --light-color: #F5F7FA;
            --dark-color: #1A1A1A;
            --text-color: #333333;
            --text-light: #666666;
            --border-color: #E0E6EF;
            --shadow: 0 4px 12px rgba(11, 34, 101, 0.08);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --max-width: 1280px;
            --header-height: 80px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul, ol {
            list-style-position: inside;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-color);
        }
        .my-logo span {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .main-nav ul {
            display: flex;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            color: var(--dark-color);
            padding: 5px 0;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary-color);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary-color);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 15px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li {
            display: inline;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(rgba(11, 34, 101, 0.85), rgba(11, 34, 101, 0.9)), url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 60px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.95;
        }
        .search-box {
            max-width: 600px;
            margin: 30px auto 0;
            background: white;
            border-radius: 50px;
            padding: 5px;
            display: flex;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 18px 25px;
            font-size: 1.1rem;
            border-radius: 50px 0 0 50px;
            outline: none;
        }
        .search-box button {
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 35px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #8a1526;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 40px;
            padding: 50px 0;
        }
        .article-body {
            font-size: 1.1rem;
        }
        .article-body > * + * {
            margin-top: 1.8em;
        }
        .article-body h2 {
            color: var(--primary-color);
            font-size: 2.2rem;
            margin-top: 2.5em;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent-color);
        }
        .article-body h3 {
            color: var(--secondary-color);
            font-size: 1.7rem;
            margin-top: 2em;
        }
        .article-body h4 {
            color: var(--dark-color);
            font-size: 1.4rem;
            margin-top: 1.8em;
        }
        .article-body p {
            text-align: justify;
            hyphens: auto;
        }
        .article-body strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .article-body em {
            color: var(--secondary-color);
            font-style: italic;
        }
        .article-body blockquote {
            border-left: 5px solid var(--accent-color);
            padding-left: 25px;
            font-style: italic;
            color: var(--text-light);
            background-color: var(--light-color);
            padding: 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 2em 0;
        }
        .featured-image {
            margin: 2.5em 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            padding: 10px;
            color: var(--text-light);
            font-size: 0.95rem;
            background-color: var(--light-color);
        }
        .link-list {
            background: var(--light-color);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 2em 0;
        }
        .link-list h3 {
            margin-top: 0 !important;
        }
        .link-list ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 12px;
            margin-top: 15px;
        }
        .link-list li {
            list-style-type: none;
            padding: 5px 0;
        }
        .link-list a {
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-list a:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        .link-list i {
            color: var(--accent-color);
        }
        .sidebar-widget {
            background: var(--light-color);
            padding: 25px;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
        }
        .rating-widget .stars {
            display: flex;
            gap: 5px;
            margin-bottom: 15px;
            font-size: 1.8rem;
            color: var(--accent-color);
        }
        .rating-form input, .rating-form select, .rating-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .rating-form button {
            width: 100%;
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 15px;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background: var(--secondary-color);
        }
        .comment-list .comment {
            border-bottom: 1px solid var(--border-color);
            padding: 15px 0;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.95rem;
        }
        .comment-author {
            font-weight: 700;
            color: var(--primary-color);
        }
        .comment-date {
            color: var(--text-light);
        }
        .site-footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 20px;
            color: white;
        }
        .footer-links h4 {
            color: var(--accent-color);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: var(--border-radius);
            margin-bottom: 20px;
        }
        friend-link h4 {
            color: var(--accent-color);
            margin-bottom: 15px;
        }
        friend-link a {
            color: #a0c8ff;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        .update-time {
            text-align: center;
            color: var(--text-light);
            font-style: italic;
            padding: 20px;
            background-color: var(--light-color);
            border-radius: var(--border-radius);
            margin: 3em 0;
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.7rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 0 15px;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: -100%;
                width: 100%;
                height: calc(100vh - var(--header-height));
                background-color: white;
                flex-direction: column;
                padding: 40px 20px;
                transition: var(--transition);
                box-shadow: inset 0 5px 10px rgba(0,0,0,0.05);
                overflow-y: auto;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 18px 20px;
                border-bottom: 1px solid var(--border-color);
                font-size: 1.2rem;
            }
            .main-nav a::after {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero {
                padding: 40px 20px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .search-box {
                flex-direction: column;
                border-radius: var(--border-radius);
                padding: 0;
                background: transparent;
                box-shadow: none;
                gap: 15px;
            }
            .search-box input, .search-box button {
                border-radius: var(--border-radius);
                width: 100%;
            }
            .search-box input {
                padding: 18px 20px;
            }
            .article-body h2 {
                font-size: 1.9rem;
            }
            .article-body h3 {
                font-size: 1.5rem;
            }
        }
        .highlight {
            background-color: rgba(255, 199, 44, 0.15);
            padding: 2px 5px;
            border-radius: 4px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .btn {
            display: inline-block;
            background: var(--primary-color);
            color: white;
            padding: 12px 28px;
            border-radius: var(--border-radius);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(11, 34, 101, 0.2);
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }