*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f5f2;
            color: #1e1e2a;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: #8b5cf6; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #6d28d9; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 16px; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: #1a1a2e; font-weight: 700; letter-spacing: -0.01em; }
        h1 { font-size: 2.6rem; margin-bottom: 0.5rem; }
        h2 { font-size: 2rem; margin-top: 3rem; margin-bottom: 1rem; border-bottom: 3px solid #8b5cf6; padding-bottom: 0.4rem; display: inline-block; }
        h3 { font-size: 1.5rem; margin-top: 2rem; margin-bottom: 0.75rem; color: #2d2d44; }
        h4 { font-size: 1.2rem; margin-top: 1.5rem; margin-bottom: 0.5rem; color: #3d3d5c; }
        p { margin-bottom: 1.2rem; }
        ul, ol { margin-left: 1.8rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.4rem; }
        strong { color: #1a1a2e; font-weight: 700; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .skip-link { position: absolute; top: -100px; left: 8px; background: #8b5cf6; color: #fff; padding: 10px 18px; border-radius: 0 0 8px 8px; z-index: 1000; font-weight: 600; }
        .skip-link:focus { top: 0; }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d1b69 50%, #1a1a2e 100%);
            color: #fff;
            padding: 0 0 6px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fbbf24;
            letter-spacing: -0.03em;
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: #f472b6; font-size: 2rem; }
        .my-logo:hover { transform: scale(1.02); text-decoration: none; color: #fbbf24; }
        .my-logo span { color: #fff; font-weight: 300; }
        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer; padding: 4px 10px; border-radius: 8px; transition: background 0.2s; }
        .nav-toggle:hover { background: rgba(255,255,255,0.15); }
        .nav-menu { display: flex; gap: 8px 18px; flex-wrap: wrap; align-items: center; }
        .nav-menu a {
            color: #e0e0f0;
            font-weight: 500;
            padding: 6px 8px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .nav-menu a:hover { background: rgba(255,255,255,0.12); color: #fbbf24; text-decoration: none; }
        .nav-menu .active { color: #fbbf24; border-bottom: 2px solid #fbbf24; }
        .breadcrumb {
            max-width: 1200px;
            margin: 0 auto;
            padding: 10px 20px 6px;
            font-size: 0.9rem;
            color: #b0b0c8;
            background: transparent;
        }
        .breadcrumb a { color: #c4b5fd; }
        .breadcrumb a:hover { color: #fbbf24; text-decoration: none; }
        .breadcrumb i { margin: 0 6px; font-size: 0.7rem; color: #7c7ca0; }
        .search-section {
            background: #fff;
            border-radius: 20px;
            padding: 14px 24px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.06);
            margin: 24px 0 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            border: 1px solid #e8e0f0;
        }
        .search-section form { display: flex; flex: 1; gap: 10px; flex-wrap: wrap; }
        .search-section input[type="search"] {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid #e0d8f0;
            border-radius: 40px;
            font-size: 1rem;
            background: #faf9fe;
            transition: border 0.2s, box-shadow 0.2s;
            outline: none;
        }
        .search-section input[type="search"]:focus { border-color: #8b5cf6; box-shadow: 0 0 0 4px rgba(139,92,246,0.15); }
        .search-section button {
            background: #8b5cf6;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-section button:hover { background: #6d28d9; transform: scale(1.02); }
        .hero {
            background: linear-gradient(145deg, #f0ebff 0%, #fff5f9 100%);
            border-radius: 28px;
            padding: 40px 36px;
            margin: 18px 0 32px;
            box-shadow: 0 12px 40px rgba(90,50,150,0.10);
            border: 1px solid rgba(139,92,246,0.15);
        }
        .hero h1 { font-size: 2.8rem; color: #1a1a2e; }
        .hero .subtitle { font-size: 1.2rem; color: #4a4a6a; margin-top: 8px; }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 40px;
            margin: 30px 0 50px;
        }
        .main-article { min-width: 0; }
        .sidebar {
            background: #fff;
            border-radius: 20px;
            padding: 24px 20px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.05);
            border: 1px solid #ede8f5;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 { font-size: 1.2rem; margin-top: 0; border-bottom: 2px solid #8b5cf6; padding-bottom: 8px; }
        .sidebar ul { list-style: none; margin-left: 0; }
        .sidebar li { padding: 6px 0; border-bottom: 1px solid #f0ecf8; }
        .sidebar li a { display: flex; align-items: center; gap: 8px; }
        .sidebar li a i { width: 20px; color: #8b5cf6; }
        .info-box {
            background: #f0ebff;
            border-left: 5px solid #8b5cf6;
            padding: 18px 22px;
            border-radius: 12px;
            margin: 1.8rem 0;
        }
        .info-box i { color: #6d28d9; margin-right: 8px; }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
            margin: 2rem 0;
        }
        .feature-card {
            background: #fff;
            padding: 22px 18px;
            border-radius: 16px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
            border: 1px solid #ede8f5;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(90,50,150,0.10); }
        .feature-card i { font-size: 2rem; color: #8b5cf6; margin-bottom: 10px; }
        .feature-card h4 { margin-top: 0; }
        .comment-rating-section {
            background: #fff;
            border-radius: 20px;
            padding: 30px 28px;
            margin: 40px 0;
            box-shadow: 0 8px 30px rgba(0,0,0,0.04);
            border: 1px solid #ede8f5;
        }
        .comment-rating-section h2 { margin-top: 0; border-bottom: none; display: block; }
        .form-group { margin-bottom: 16px; }
        .form-group label { display: block; font-weight: 600; margin-bottom: 4px; color: #2d2d44; }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0d8f0;
            border-radius: 12px;
            font-size: 1rem;
            background: #faf9fe;
            transition: border 0.2s;
            outline: none;
            font-family: inherit;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: #8b5cf6; }
        .form-group textarea { min-height: 100px; resize: vertical; }
        .form-row { display: flex; gap: 20px; flex-wrap: wrap; }
        .form-row .form-group { flex: 1; min-width: 160px; }
        .btn-primary {
            background: #8b5cf6;
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary:hover { background: #6d28d9; transform: scale(1.02); }
        .site-footer {
            background: #1a1a2e;
            color: #c8c8e0;
            padding: 40px 20px 20px;
            margin-top: 60px;
            border-radius: 32px 32px 0 0;
        }
        .footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
        .footer-inner h4 { color: #fbbf24; margin-top: 0; font-size: 1.1rem; }
        .footer-inner a { color: #c4b5fd; }
        .footer-inner a:hover { color: #fbbf24; }
        friend-link { display: block; margin-top: 8px; }
        friend-link a { display: inline-block; margin-right: 12px; margin-bottom: 4px; }
        .copyright { text-align: center; padding-top: 24px; margin-top: 24px; border-top: 1px solid #2d2d4a; font-size: 0.9rem; color: #8888aa; }
        @media (max-width: 900px) {
            .content-grid { grid-template-columns: 1fr; }
            .sidebar { position: static; }
            .header-inner { padding: 10px 16px; }
            .my-logo { font-size: 1.4rem; }
            .nav-menu { display: none; width: 100%; flex-direction: column; align-items: flex-start; padding: 12px 0 6px; gap: 4px; }
            .nav-menu.open { display: flex; }
            .nav-toggle { display: block; }
            .hero h1 { font-size: 2rem; }
            .hero { padding: 24px 20px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .footer-inner { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.6rem; }
            .search-section { padding: 12px 16px; }
            .search-section form { flex-direction: column; }
            .comment-rating-section { padding: 20px 16px; }
            .feature-grid { grid-template-columns: 1fr; }
        }
        .text-muted { color: #6a6a8a; }
        .mt-1 { margin-top: 1rem; }
        .mb-1 { margin-bottom: 1rem; }
        .flex-center { display: flex; align-items: center; gap: 8px; }
        .last-updated { font-size: 0.9rem; color: #7c7ca0; margin-top: 12px; text-align: right; }
        .star-rating { color: #fbbf24; font-size: 1.2rem; letter-spacing: 2px; }
        .emoji { font-size: 1.2rem; }
        hr { border: none; border-top: 2px dashed #e0d8f0; margin: 2rem 0; }
        .table-wrap { overflow-x: auto; }
        table { width: 100%; border-collapse: collapse; margin: 1.2rem 0; }
        th, td { padding: 10px 14px; border: 1px solid #e0d8f0; text-align: left; }
        th { background: #f0ebff; font-weight: 600; }