*, *::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, sans-serif;
            background: #fafafa;
            color: #1e1e1e;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a { color: #c0392b; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #e74c3c; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 1.5rem; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: #1a1a2e; font-weight: 700; }
        h1 { font-size: 2.4rem; margin-bottom: 1rem; }
        h2 { font-size: 1.8rem; margin: 2.5rem 0 1rem; border-bottom: 3px solid #c0392b; padding-bottom: 0.4rem; }
        h3 { font-size: 1.35rem; margin: 1.8rem 0 0.8rem; color: #2c3e50; }
        h4 { font-size: 1.1rem; margin: 1.2rem 0 0.5rem; color: #34495e; }
        p { margin-bottom: 1.2rem; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            background: linear-gradient(45deg, #f1c40f, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo i { margin-right: 0.3rem; -webkit-text-fill-color: #f1c40f; }
        .my-logo:hover { opacity: 0.85; text-decoration: none; }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 1.2rem;
            align-items: center;
            padding: 0;
        }
        .nav-list li a {
            color: #f0f0f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            transition: background 0.25s, color 0.25s;
        }
        .nav-list li a:hover { background: rgba(255,255,255,0.15); color: #f1c40f; text-decoration: none; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
        }
        #nav-toggle { display: none; }
        .breadcrumb {
            background: #f0f0f0;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
        }
        .breadcrumb li+li::before { content: "›"; margin-right: 0.6rem; color: #888; }
        .breadcrumb a { color: #2c3e50; }
        .breadcrumb .current { color: #c0392b; font-weight: 600; }
        .hero {
            background: linear-gradient(135deg, #2c3e50 0%, #1a1a2e 100%);
            color: #fff;
            padding: 3rem 0;
            text-align: center;
            margin-bottom: 2rem;
        }
        .hero h1 { color: #fff; margin-bottom: 0.6rem; font-size: 2.6rem; }
        .hero p { font-size: 1.2rem; opacity: 0.9; max-width: 800px; margin: 0 auto; }
        .hero .last-update { margin-top: 1rem; font-size: 0.9rem; opacity: 0.7; }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        .content-area { min-width: 0; }
        .sidebar { min-width: 0; }
        .sidebar-card {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.8rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            border: 1px solid #eee;
        }
        .sidebar-card h3 { font-size: 1.2rem; margin-top: 0; border-bottom: 2px solid #c0392b; padding-bottom: 0.4rem; }
        .sidebar-card ul { list-style: none; padding: 0; }
        .sidebar-card li { padding: 0.4rem 0; border-bottom: 1px solid #f0f0f0; }
        .sidebar-card li:last-child { border-bottom: none; }
        .sidebar-card li a { display: block; font-size: 0.95rem; }
        .search-form { display: flex; gap: 0.5rem; }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input:focus { border-color: #c0392b; }
        .search-form button {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 0.7rem 1.2rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.25s;
        }
        .search-form button:hover { background: #e74c3c; }
        .comment-box, .rating-box {
            background: #fff;
            border-radius: 12px;
            padding: 1.8rem;
            margin: 2.5rem 0;
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            border: 1px solid #eee;
        }
        .comment-box h3, .rating-box h3 { margin-top: 0; }
        .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 0.95rem;
            margin-bottom: 1rem;
            font-family: inherit;
            outline: none;
            transition: border 0.25s;
        }
        .comment-form textarea:focus, .comment-form input:focus { border-color: #c0392b; }
        .comment-form textarea { min-height: 120px; resize: vertical; }
        .comment-form .btn, .rating-form .btn {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.25s;
        }
        .comment-form .btn:hover, .rating-form .btn:hover { background: #e74c3c; }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.3rem;
            justify-content: flex-end;
            margin-bottom: 1rem;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #f1c40f; }
        friend-link {
            display: block;
            background: #f8f8f8;
            border-top: 3px solid #c0392b;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        friend-link .container { display: flex; flex-wrap: wrap; gap: 1rem 2rem; }
        friend-link a { color: #2c3e50; font-weight: 500; }
        friend-link a:hover { color: #c0392b; }
        .site-footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 2rem 0;
            text-align: center;
            margin-top: auto;
        }
        .site-footer a { color: #f1c40f; }
        .site-footer a:hover { color: #fff; }
        .site-footer .copyright { margin-top: 0.8rem; font-size: 0.85rem; opacity: 0.8; }
        @media (max-width: 992px) {
            .main-grid { grid-template-columns: 1fr; }
            .sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-list {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.3rem;
                padding: 1rem 0 0.5rem;
            }
            #nav-toggle:checked ~ .nav-list { display: flex; }
            .header-inner { position: relative; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 1rem; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .sidebar { grid-template-columns: 1fr; }
            .breadcrumb ol { font-size: 0.8rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 1rem; }
            .hero { padding: 2rem 0; }
            .my-logo { font-size: 1.3rem; }
        }
        .highlight { background: #fff3cd; padding: 0.1rem 0.3rem; border-radius: 4px; }
        .card-image {
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.12);
            margin: 2rem 0;
        }
        .emoji-big { font-size: 1.6rem; }
        .rule-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .rule-table th { background: #c0392b; color: #fff; padding: 0.7rem; text-align: left; }
        .rule-table td, .rule-table th { border: 1px solid #ddd; padding: 0.6rem 0.8rem; }
        .rule-table tr:nth-child(even) { background: #f9f9f9; }
        .rule-table tr:hover { background: #f1f1f1; }
        .author-badge {
            display: flex; align-items: center; gap: 1rem;
            background: #f9f9f9; border-radius: 12px; padding: 1rem 1.5rem;
            margin: 2rem 0; border-left: 4px solid #c0392b;
        }
        .author-badge i { font-size: 2.5rem; color: #c0392b; }
        .author-badge .author-info small { opacity: 0.7; }