* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-blue: #1a4f8c;
            --secondary-blue: #2a7bc8;
            --accent-gold: #d4af37;
            --light-bg: #f5f9ff;
            --dark-text: #222;
            --gray-text: #555;
            --light-gray: #eaeaea;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 10px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            color: var(--dark-text);
            background-color: #fff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-blue);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background: linear-gradient(120deg, #a8e6cf80 0%, #dcedc180 100%);
            padding: 2px 6px;
            border-radius: 4px;
        }
        .emoji { font-size: 1.2em; }
        header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #0d2d54 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-gold);
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--primary-blue);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: var(--shadow);
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 12px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-mobile a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            padding-left: 30px;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: var(--gray-text);
        }
        .breadcrumb a:hover {
            color: var(--primary-blue);
        }
        .breadcrumb span {
            color: var(--gray-text);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 3px solid var(--light-gray);
            padding-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: var(--gray-text);
            font-size: 0.95rem;
            margin-top: 1.5rem;
        }
        .update-time {
            background-color: #e6f2ff;
            padding: 8px 15px;
            border-radius: 50px;
            font-weight: 600;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 8px;
            border-bottom: 2px dashed var(--light-gray);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-blue);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #333;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            color: var(--dark-text);
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .section-divider {
            height: 1px;
            background: linear-gradient(to right, transparent, var(--light-gray), transparent);
            margin: 2.5rem 0;
        }
        .internal-link {
            color: var(--primary-blue);
            font-weight: 600;
            border-bottom: 2px dotted var(--secondary-blue);
            padding-bottom: 2px;
        }
        .internal-link:hover {
            border-bottom-style: solid;
        }
        .article-image {
            margin: 2.5rem auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            max-width: 800px;
        }
        .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(--gray-text);
            padding: 10px;
            background-color: var(--light-bg);
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .sidebar {
                order: -1;
            }
        }
        .widget {
            background: white;
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--primary-blue);
            margin-bottom: 1.2rem;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-gold);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 14px 18px;
            border: 2px solid var(--light-gray);
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            border-color: var(--secondary-blue);
        }
        .search-btn {
            background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: linear-gradient(135deg, var(--primary-blue), #0d2d54);
        }
        .rating-container {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffc107;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-text {
            font-size: 0.95rem;
            color: var(--gray-text);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark-text);
        }
        .form-group input,
        .form-group textarea {
            padding: 14px;
            border: 2px solid var(--light-gray);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--secondary-blue);
            box-shadow: 0 0 0 3px rgba(42, 123, 200, 0.2);
        }
        .submit-btn {
            background: linear-gradient(135deg, var(--accent-gold), #b8941f);
            color: white;
            border: none;
            padding: 16px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 10px;
        }
        .submit-btn:hover {
            background: linear-gradient(135deg, #b8941f, #9a7c16);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(212, 175, 55, 0.3);
        }
        footer {
            background: linear-gradient(135deg, #0d2d54, #051a33);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: white;
        }
        .footer-links h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent-gold);
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #ccc;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 8px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        friend-link h3 {
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            list-style: none;
        }
        friend-link li {
            background-color: rgba(255, 255, 255, 0.08);
            padding: 10px 20px;
            border-radius: 50px;
            transition: var(--transition);
        }
        friend-link li:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
        }
        friend-link a {
            color: white;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .article-content { padding: 1.5rem; }
            .widget { padding: 1.5rem; }
            .footer-container { grid-template-columns: 1fr; }
            friend-link ul { justify-content: center; }
        }