* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f9f9f9;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a { color: #0077cc; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #ff66c4; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 2em; margin: 1em 0; }
        .site-header {
            background: linear-gradient(135deg, #1a2a6c, #3a7bd5);
            color: white;
            padding: 1.5rem 0;
            border-radius: 0 0 15px 15px;
            margin-bottom: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 1rem;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(to right, #ffcc00, #ff66c4);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo a { color: inherit; }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .nav-desktop a:hover { background: rgba(255,255,255,0.2); }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #2a4a9c;
            padding: 1rem;
            border-radius: 10px;
            margin-top: 1rem;
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: white;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:last-child { border-bottom: none; }
        .breadcrumb {
            padding: 1rem;
            background: #eef5ff;
            border-radius: 8px;
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #0077cc; }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 768px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        main article { background: white; padding: 2.5rem; border-radius: 15px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        h1 { font-size: 2.8rem; color: #1a2a6c; margin-bottom: 1.5rem; line-height: 1.2; }
        h2 { font-size: 2rem; color: #3a7bd5; margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 2px dashed #e0e0e0; }
        h3 { font-size: 1.6rem; color: #ff66c4; margin: 2rem 0 1rem; }
        h4 { font-size: 1.3rem; color: #555; margin: 1.5rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .intro { font-size: 1.2rem; color: #666; background: #f0f8ff; padding: 1.5rem; border-left: 5px solid #0077cc; border-radius: 0 10px 10px 0; margin: 2rem 0; }
        .highlight { background: #fff9e6; padding: 1.5rem; border-radius: 10px; border-left: 5px solid #ffcc00; margin: 2rem 0; }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            border: 1px solid #eee;
        }
        .img-caption { font-style: italic; color: #777; margin-top: 0.8rem; font-size: 0.95rem; }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 2rem 0;
            padding: 1.5rem;
            background: #f7f7f7;
            border-radius: 10px;
        }
        .link-list a {
            background: white;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            box-shadow: 0 3px 8px rgba(0,0,0,0.08);
            font-weight: 600;
        }
        .link-list a:hover {
            background: #0077cc;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 12px rgba(0,119,204,0.3);
        }
        aside {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 20px;
        }
        .widget { margin-bottom: 2.5rem; }
        .widget h3 { font-size: 1.4rem; margin-top: 0; }
        .search-form { display: flex; }
        .search-form input {
            flex-grow: 1;
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
        }
        .search-form button {
            background: #0077cc;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.2rem;
        }
        .search-form button:hover { background: #005fa3; }
        .rating-widget { text-align: center; }
        .stars { font-size: 2rem; color: #ffcc00; margin: 1rem 0; }
        .stars i { cursor: pointer; margin: 0 2px; }
        .comment-form textarea {
            width: 100%;
            height: 150px;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
        }
        .comment-form button {
            background: #ff66c4;
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            margin-top: 1rem;
            width: 100%;
        }
        .comment-form button:hover { background: #e055ad; }
        .update-time {
            font-size: 0.9rem;
            color: #777;
            background: #f0f0f0;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
        }
        footer {
            margin-top: 4rem;
            padding: 3rem 0;
            background: #1a1a1a;
            color: #ccc;
            border-radius: 15px 15px 0 0;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
        }
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .friend-links a {
            color: #ffcc00;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border: 1px solid #444;
            border-radius: 5px;
        }
        .friend-links a:hover {
            color: #1a1a1a;
            background: #ffcc00;
        }
        .copyright {
            font-size: 0.9rem;
            color: #888;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            main article { padding: 1.5rem; }
            aside { position: static; }
        }