* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #c51111;
            --primary-dark: #8a0b0b;
            --secondary: #1b6ca8;
            --dark: #0f1932;
            --light: #f5f7fa;
            --gray: #6c757d;
            --success: #28a745;
            --warning: #ffc107;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        body {
            background-color: #f0f2f5;
            color: #333;
            line-height: 1.7;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span {
            color: white;
        }
        .my-logo:hover {
            color: #ff4d4d;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: all 0.3s ease;
        }
        nav a:hover, nav a.active {
            background-color: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-box {
            display: flex;
            margin: 2rem auto;
            max-width: 600px;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem 1.2rem;
            border: 2px solid var(--secondary);
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background-color: #155a8a;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary-dark);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--dark);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--secondary);
        }
        h3 {
            color: var(--secondary);
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--gray);
            font-size: 1.2rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--dark);
            background-color: #e8f4fc;
            padding: 1.5rem;
            border-left: 5px solid var(--secondary);
            border-radius: var(--radius);
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-radius: var(--radius);
            border-left: 5px solid var(--warning);
            margin: 1.5rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -0.5rem;
            margin-bottom: 2rem;
        }
        .link-list {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .link-list ul {
            list-style-type: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .link-list a {
            color: var(--secondary);
            text-decoration: none;
            display: block;
            padding: 0.5rem;
            border-radius: 4px;
            transition: all 0.2s;
        }
        .link-list a:hover {
            background-color: #e3f2fd;
            padding-left: 1rem;
            color: var(--primary-dark);
        }
        .update-time {
            background-color: #d4edda;
            color: #155724;
            padding: 1rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        aside {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #eee;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: var(--warning);
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 2px;
            transition: color 0.2s;
        }
        .stars i:hover {
            color: #ffdb58;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: var(--radius);
            min-height: 120px;
            margin-bottom: 1rem;
            font-family: inherit;
        }
        .comment-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: background 0.3s;
        }
        .comment-form button:hover {
            background-color: var(--primary-dark);
        }
        footer {
            background-color: var(--dark);
            color: white;
            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-section h3 {
            color: var(--primary);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: #1a243f;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 1.5rem 0;
        }
        friend-link a {
            color: #4dabf7;
            text-decoration: none;
            font-weight: 600;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2a3a5a;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--dark);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: var(--shadow);
                z-index: 999;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .bold {
            font-weight: 700;
            color: var(--primary-dark);
        }
        .italic {
            font-style: italic;
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 1.5rem;
        }
        .mt-3 {
            margin-top: 1.5rem;
        }
        .tag {
            display: inline-block;
            background-color: #e9ecef;
            color: var(--dark);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }