*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #b3002d;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #7a001f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 1.5rem 2rem 2rem;
            margin-top: 1.5rem;
            margin-bottom: 2rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 1.2rem;
            border-bottom: 2px solid #eaeef5;
            margin-bottom: 1rem;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #b3002d, #ff4d4d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(179, 0, 45, 0.15);
            display: inline-block;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #444;
            color: #444;
            background: none;
            display: block;
            letter-spacing: 0.3px;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            background: none;
            -webkit-text-fill-color: inherit;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1a1a2e;
            padding: 0.25rem 0.5rem;
        }
        .nav-menu {
            display: flex;
            gap: 1.8rem;
            align-items: center;
            flex-wrap: wrap;
            list-style: none;
        }
        .nav-menu a {
            font-weight: 600;
            font-size: 0.95rem;
            color: #1a1a2e;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            border-bottom-color: #b3002d;
            color: #b3002d;
            text-decoration: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            font-size: 0.85rem;
            color: #666;
            padding: 0.6rem 0 1rem;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #aaa;
        }
        .breadcrumb a {
            color: #b3002d;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0.5rem 0 1.2rem;
            color: #0d0d1a;
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.2rem 0 0.8rem;
            padding-bottom: 0.3rem;
            border-bottom: 3px solid #f0f2f8;
            color: #111;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 1.6rem 0 0.6rem;
            color: #1a1a2e;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 1.2rem 0 0.4rem;
            color: #2d2d44;
        }
        p {
            margin-bottom: 1.2rem;
            word-break: break-word;
        }
        .content-section {
            margin-bottom: 1.8rem;
        }
        .hero-img {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            background: #f0f2f8;
            text-align: center;
        }
        .hero-img figcaption {
            font-size: 0.85rem;
            color: #666;
            margin-top: 0.4rem;
            font-style: italic;
        }
        .score-area {
            background: #f8f9ff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.5rem 2.5rem;
            border: 1px solid #eaeef5;
        }
        .score-stars {
            display: flex;
            gap: 0.35rem;
            font-size: 2rem;
            color: #f5a623;
            cursor: pointer;
        }
        .score-stars i {
            transition: transform 0.15s, color 0.15s;
        }
        .score-stars i:hover {
            transform: scale(1.25);
            color: #ffc107;
        }
        .score-stars i.active {
            color: #f5a623;
        }
        .score-stars i.inactive {
            color: #ddd;
        }
        .score-note {
            font-size: 0.95rem;
            color: #444;
            font-weight: 500;
        }
        .comment-section {
            background: #fafbff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            border: 1px solid #eaeef5;
        }
        .comment-section h3 {
            margin-top: 0;
        }
        .comment-list {
            margin-bottom: 1.5rem;
            max-height: 300px;
            overflow-y: auto;
            padding-right: 0.5rem;
        }
        .comment-item {
            background: #fff;
            padding: 0.8rem 1rem;
            border-radius: 10px;
            margin-bottom: 0.6rem;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            border-left: 3px solid #b3002d;
        }
        .comment-item .author {
            font-weight: 600;
            font-size: 0.9rem;
            color: #b3002d;
        }
        .comment-item .time {
            font-size: 0.75rem;
            color: #999;
            margin-left: 0.8rem;
        }
        .comment-item .text {
            margin-top: 0.2rem;
            font-size: 0.95rem;
        }
        .comment-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .comment-form input,
        .comment-form textarea {
            flex: 1 1 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #d0d5e0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.2s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #b3002d;
            outline: none;
            box-shadow: 0 0 0 3px rgba(179, 0, 45, 0.1);
        }
        .comment-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .comment-form .btn-row {
            display: flex;
            gap: 0.8rem;
            flex: 1 1 100%;
            justify-content: flex-end;
        }
        .btn {
            background: #b3002d;
            color: #fff;
            border: none;
            padding: 0.6rem 1.6rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn:hover {
            background: #7a001f;
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: #b3002d;
            border: 2px solid #b3002d;
        }
        .btn-outline:hover {
            background: #b3002d;
            color: #fff;
        }
        .btn:active {
            transform: scale(0.97);
        }
        .search-box {
            background: #f8f9ff;
            border-radius: 40px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            display: flex;
            align-items: center;
            border: 1px solid #e0e4ee;
            max-width: 400px;
            margin: 1.2rem 0 1.8rem;
            transition: box-shadow 0.2s;
        }
        .search-box:focus-within {
            box-shadow: 0 0 0 3px rgba(179, 0, 45, 0.12);
            border-color: #b3002d;
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.6rem 0;
            font-size: 0.95rem;
            outline: none;
            font-family: inherit;
        }
        .search-box button {
            background: #b3002d;
            color: #fff;
            border: none;
            padding: 0.55rem 1.2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box button:hover {
            background: #7a001f;
        }
        friend-link {
            display: block;
            background: #f0f2f8;
            border-radius: 14px;
            padding: 1.2rem 1.8rem;
            margin-top: 2rem;
            font-size: 0.95rem;
            border: 1px solid #e0e4ee;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            padding: 0.2rem 0;
        }
        .site-footer {
            border-top: 2px solid #eaeef5;
            padding-top: 1.8rem;
            margin-top: 2.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #777;
        }
        .site-footer .copyright {
            margin-top: 0.5rem;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 1rem 1.2rem;
                border-radius: 16px;
                margin-top: 0.8rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .site-header {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0.6rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid #eaeef5;
                margin-top: 0.6rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.4rem 0;
                font-size: 1rem;
            }
            .score-area {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
                padding: 1.2rem;
            }
            .score-stars {
                font-size: 1.6rem;
            }
            .comment-section {
                padding: 1.2rem;
            }
            .search-box {
                max-width: 100%;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            friend-link {
                padding: 1rem;
            }
            friend-link a {
                display: block;
                margin-right: 0;
                margin-bottom: 0.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0.8rem 0.8rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            .btn {
                padding: 0.5rem 1.2rem;
                font-size: 0.8rem;
            }
        }
        .highlight {
            background: #fff3e0;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #b3002d;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 0.3rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #fafbff;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #eaeef5;
        }
        th {
            background: #f0f2f8;
            font-weight: 600;
            color: #1a1a2e;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .toc {
            background: #f8f9ff;
            border-radius: 14px;
            padding: 1.2rem 1.8rem;
            margin: 1.5rem 0;
            border: 1px solid #eaeef5;
        }
        .toc summary {
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            color: #1a1a2e;
        }
        .toc ol {
            margin-top: 0.8rem;
            padding-left: 1.4rem;
        }
        .toc ol li {
            margin-bottom: 0.3rem;
        }
        .toc ol a {
            color: #b3002d;
        }
        .quote {
            border-left: 4px solid #b3002d;
            background: #f8f9ff;
            padding: 0.8rem 1.2rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
            font-style: italic;
            color: #333;
        }