* { 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: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .site-header {
            background: linear-gradient(90deg, #0c3a6d 0%, #1a5ba6 100%);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: #fff;
            background: linear-gradient(45deg, #FFD700, #FFA500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #e6f0ff;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 215, 0, 0.2);
            color: #FFD700;
        }
        .breadcrumb {
            background-color: #e9f2fa;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #c5d7ed;
        }
        .breadcrumb a {
            color: #1a5ba6;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            flex: 1;
        }
        @media (max-width: 1024px) {
            .main-container { grid-template-columns: 1fr; }
        }
        .content-article {
            background: white;
            padding: 3rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 60, 120, 0.08);
        }
        .article-header { margin-bottom: 2.5rem; }
        h1 {
            font-size: 2.8rem;
            color: #0c3a6d;
            margin-bottom: 1rem;
            line-height: 1.2;
            border-left: 6px solid #FFA500;
            padding-left: 1rem;
        }
        .meta-info {
            color: #666;
            font-size: 0.95rem;
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }
        .update-time { color: #e63946; font-weight: bold; }
        h2, h3, h4 {
            color: #1a5ba6;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
        }
        h2 { font-size: 2rem; border-bottom: 2px solid #e4edf5; padding-bottom: 0.5rem; }
        h3 { font-size: 1.6rem; }
        h4 { font-size: 1.3rem; color: #555; }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 4px solid #FFD700;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .important { font-weight: bold; color: #0c3a6d; }
        .inline-link {
            color: #1a5ba6;
            text-decoration: none;
            border-bottom: 1px dashed #1a5ba6;
            transition: all 0.2s;
        }
        .inline-link:hover {
            color: #FF8C00;
            border-bottom-style: solid;
            background-color: #f0f7ff;
        }
        .featured-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 6px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .featured-img:hover {
            transform: scale(1.01);
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 60, 120, 0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            font-size: 1.4rem;
            color: #0c3a6d;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #FFD700;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1rem;
            border: 2px solid #c5d7ed;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #1a5ba6;
        }
        .search-btn {
            background: linear-gradient(90deg, #1a5ba6, #0c3a6d);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(90deg, #0c3a6d, #1a5ba6);
        }
        .rating-widget .stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .star {
            color: #ddd;
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active, .star:hover {
            color: #FFD700;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #c5d7ed;
            border-radius: 8px;
            font-family: inherit;
        }
        .submit-btn {
            width: 100%;
            padding: 0.9rem;
            background: linear-gradient(90deg, #28a745, #20c997);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .submit-btn:hover { opacity: 0.9; }
        .site-footer {
            background: #0c3a6d;
            color: #e6f0ff;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: #FFD700;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        friend-link {
            display: block;
        }
        .friend-links a {
            color: #a3d0ff;
            text-decoration: none;
            transition: color 0.3s;
        }
        .friend-links a:hover {
            color: #FFD700;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #1a5ba6;
            font-size: 0.9rem;
            color: #a3d0ff;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .nav-toggle { display: block; }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active { max-height: 500px; margin-top: 1rem; }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li { width: 100%; }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            h1 { font-size: 2.2rem; }
            .content-article { padding: 2rem 1.5rem; }
            .main-container { padding: 0 1.5rem; gap: 2rem; }
            .sidebar { position: static; }
        }