*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f6f2;
            color: #1e1e1e;
            line-height: 1.75;
            padding: 0 1rem;
        }
        a {
            color: #b45309;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #78350f;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.2;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #1a1a2e;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #b45309;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.3rem;
            color: #2d2d44;
        }
        h4 {
            font-size: 1.1rem;
            color: #3d3d5c;
        }
        p {
            margin-bottom: 1.2rem;
        }
        hr {
            border: none;
            height: 2px;
            background: linear-gradient(90deg, #b45309, transparent);
            margin: 2.5rem 0;
        }
        blockquote {
            border-left: 4px solid #b45309;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: #f0ede6;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2d2d44;
        }
        blockquote cite {
            display: block;
            margin-top: 0.6rem;
            font-size: 0.9rem;
            color: #6b5b4e;
            font-style: normal;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0.5rem 0 3rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            border-bottom: 2px solid #e2dcd2;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #b45309, #78350f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #b45309;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .main-nav {
            display: flex;
            gap: 1.2rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 0.95rem;
            color: #2d2d44;
            text-decoration: none;
            padding: 0.4rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: #b45309;
            color: #fff;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 2px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: #2d2d44;
            border-radius: 4px;
            transition: 0.3s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            margin: 0 0 1rem;
            font-size: 0.85rem;
            color: #6b5b4e;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #b45309;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #6b5b4e;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #b45309;
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #1a1a2e;
            font-weight: 600;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            max-width: 500px;
            margin: 1.8rem 0 1rem;
            background: #fff;
            border-radius: 60px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2dcd2;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .search-form:focus-within {
            border-color: #b45309;
            box-shadow: 0 4px 20px rgba(180, 83, 9, 0.12);
        }
        .search-form input[type="text"] {
            flex: 1;
            border: none;
            padding: 0.7rem 0;
            font-size: 1rem;
            background: transparent;
            outline: none;
            color: #1e1e1e;
        }
        .search-form input[type="text"]::placeholder {
            color: #9a8a7a;
        }
        .search-form button {
            background: #b45309;
            border: none;
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #78350f;
        }
        .article-header {
            margin-bottom: 2rem;
        }
        .article-header .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.9rem;
            color: #6b5b4e;
            margin: 0.8rem 0 0.2rem;
        }
        .article-header .meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .featured-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #eae6de;
            padding: 0.5rem;
        }
        .featured-image figcaption {
            font-size: 0.85rem;
            color: #6b5b4e;
            padding: 0.6rem 0.4rem 0.2rem;
            text-align: center;
            font-style: italic;
        }
        .toc {
            background: #f0ede6;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0 2.5rem;
            border: 1px solid #e2dcd2;
        }
        .toc summary {
            font-weight: 700;
            font-size: 1.2rem;
            cursor: pointer;
            color: #1a1a2e;
        }
        .toc ol {
            margin-top: 0.8rem;
            columns: 2 260px;
            column-gap: 2rem;
        }
        .toc li {
            margin-bottom: 0.3rem;
            break-inside: avoid;
        }
        .toc a {
            color: #2d2d44;
            text-decoration: none;
            border-bottom: 1px dotted #b45309;
        }
        .toc a:hover {
            color: #b45309;
            border-bottom-style: solid;
        }
        .interaction-area {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 3rem 0 2rem;
            padding: 2rem 0;
            border-top: 2px solid #e2dcd2;
            border-bottom: 2px solid #e2dcd2;
        }
        .comment-section,
        .score-section {
            flex: 1 1 280px;
            background: #fcfaf7;
            padding: 1.5rem 1.8rem;
            border-radius: 20px;
            border: 1px solid #e2dcd2;
        }
        .comment-section h3,
        .score-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.2rem;
        }
        .comment-section form,
        .score-section form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .comment-section textarea,
        .score-section input,
        .score-section select {
            padding: 0.7rem 1rem;
            border: 1px solid #d6cec2;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #fff;
            transition: border 0.2s;
            font-family: inherit;
        }
        .comment-section textarea:focus,
        .score-section input:focus,
        .score-section select:focus {
            border-color: #b45309;
            outline: none;
            box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.15);
        }
        .comment-section textarea {
            min-height: 90px;
            resize: vertical;
        }
        .comment-section button,
        .score-section button {
            align-self: flex-start;
            background: #b45309;
            color: #fff;
            border: none;
            padding: 0.6rem 1.6rem;
            border-radius: 60px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        .comment-section button:hover,
        .score-section button:hover {
            background: #78350f;
        }
        .site-footer {
            margin-top: 3rem;
            padding: 2rem 0 1.5rem;
            border-top: 2px solid #e2dcd2;
            font-size: 0.9rem;
            color: #5a4e42;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem 3rem;
            justify-content: space-between;
        }
        friend-link {
            display: block;
            margin-bottom: 1.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.8rem;
            margin-bottom: 0.4rem;
            color: #5a4e42;
            text-decoration: none;
            border-bottom: 1px dotted #b45309;
        }
        friend-link a:hover {
            color: #b45309;
            border-bottom-style: solid;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            font-size: 0.85rem;
            color: #8a7a6a;
            border-top: 1px solid #e2dcd2;
            margin-top: 1.5rem;
        }
        .copyright strong {
            color: #2d2d44;
        }
        @media (max-width:768px) {
            .hamburger {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #fcfaf7;
                flex-direction: column;
                padding: 5rem 2rem 2rem;
                box-shadow: -8px 0 30px rgba(0, 0, 0, 0.08);
                transition: right 0.35s ease;
                z-index: 1000;
                gap: 0.8rem;
                border-left: 2px solid #e2dcd2;
                overflow-y: auto;
            }
            .main-nav.open {
                right: 0;
            }
            .main-nav a {
                font-size: 1.1rem;
                padding: 0.6rem 0.8rem;
            }
            .search-form {
                max-width: 100%;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
                padding-left: 0.75rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .toc ol {
                columns: 1;
            }
            .interaction-area {
                flex-direction: column;
                gap: 1.2rem;
            }
            .footer-inner {
                flex-direction: column;
                gap: 1rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }
        @media (max-width:480px) {
            body {
                padding: 0 0.6rem;
            }
            .site-header {
                padding: 0.8rem 0;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.15rem;
            }
            .comment-section,
            .score-section {
                padding: 1rem 1.2rem;
            }
            .search-form button {
                padding: 0.5rem 1rem;
                font-size: 0.85rem;
            }
            .search-form input[type="text"] {
                font-size: 0.9rem;
            }
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 1rem;
            background: #b45309;
            color: #fff;
            padding: 0.6rem 1.2rem;
            border-radius: 0 0 8px 8px;
            z-index: 9999;
            font-weight: 600;
            text-decoration: none;
        }
        .skip-link:focus {
            top: 0;
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #b45309;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 6px 20px rgba(180, 83, 9, 0.3);
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s, transform 0.3s;
            border: none;
            cursor: pointer;
            text-decoration: none;
        }
        .scroll-top.show {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top:hover {
            transform: scale(1.08);
        }
        @media (max-width:480px) {
            .scroll-top {
                bottom: 1.2rem;
                right: 1.2rem;
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }