* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background: #fefefe;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1 { font-size: 2.8rem; margin: 1.5rem 0; color: #6a0dad; line-height: 1.2; }
        h2 { font-size: 2.2rem; margin: 2rem 0 1rem; color: #4b0082; border-bottom: 2px solid #e6e6fa; padding-bottom: 0.5rem; }
        h3 { font-size: 1.8rem; margin: 1.8rem 0 0.8rem; color: #7b68ee; }
        h4 { font-size: 1.4rem; margin: 1.5rem 0 0.6rem; color: #9370db; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        a { color: #8a2be2; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #4b0082; text-decoration: underline; }
        strong { color: #483d8b; }
        .emoji { font-size: 1.2em; margin-right: 0.3em; }
        .site-header { padding: 1.5rem 0; border-bottom: 1px solid #eee; margin-bottom: 2rem; }
        .header-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
        .my-logo { font-size: 2.2rem; font-weight: 800; color: #6a0dad; text-decoration: none; }
        .my-logo:hover { text-decoration: none; opacity: 0.9; }
        .breadcrumb { margin: 1rem 0; font-size: 0.9rem; color: #666; }
        .breadcrumb a { color: #666; }
        .breadcrumb a:hover { color: #8a2be2; }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a { padding: 0.5rem; font-weight: 600; }
        .hamburger-btn { display: none; background: none; border: none; font-size: 1.8rem; cursor: pointer; color: #6a0dad; }
        .nav-mobile { display: none; flex-direction: column; background: #f8f8ff; padding: 1rem; border-radius: 8px; margin-top: 1rem; }
        .nav-mobile.active { display: flex; }
        .nav-mobile a { padding: 0.8rem; border-bottom: 1px solid #e6e6fa; }
        .main-content { display: grid; grid-template-columns: 1fr 300px; gap: 3rem; margin: 2rem 0; }
        .article-content { min-width: 0; }
        .sidebar { background: #f9f9ff; padding: 1.5rem; border-radius: 12px; border: 1px solid #e6e6fa; height: fit-content; }
        .sidebar h3 { font-size: 1.4rem; margin-top: 0; }
        .search-box, .comment-form, .rating-form { margin-bottom: 2.5rem; }
        .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
            width: 100%; padding: 0.8rem; margin-bottom: 1rem; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem;
        }
        .comment-form textarea { min-height: 120px; resize: vertical; }
        button, .btn {
            background: linear-gradient(to right, #9370db, #8a2be2);
            color: white; border: none; padding: 0.8rem 1.8rem; border-radius: 6px; cursor: pointer; font-weight: 600;
            transition: opacity 0.3s, transform 0.2s;
        }
        button:hover, .btn:hover { opacity: 0.9; transform: translateY(-2px); }
        .feature-img { width: 80%; margin: 2rem auto; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 20px rgba(106, 13, 173, 0.15); }
        .highlight-box { background: #f0f8ff; border-left: 5px solid #7b68ee; padding: 1.5rem; margin: 2rem 0; border-radius: 0 8px 8px 0; }
        .link-list { list-style: none; margin: 1.5rem 0; }
        .link-list li { margin-bottom: 0.8rem; }
        .link-list a::before { content: '🎵 '; }
        .update-time { font-style: italic; color: #777; text-align: right; margin-top: 3rem; padding-top: 1rem; border-top: 1px dashed #ccc; }
        footer { margin-top: 4rem; padding: 2rem 0; border-top: 2px solid #e6e6fa; text-align: center; color: #555; }
        friend-link { display: block; margin: 1rem 0; font-weight: 600; }
        .copyright { font-size: 0.9rem; margin-top: 1.5rem; color: #888; }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
            .sidebar { order: -1; }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .nav-desktop { display: none; }
            .hamburger-btn { display: block; }
            .header-container { justify-content: space-between; }
            .feature-img { width: 100%; }
        }