*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f7f4;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.04);
            border-radius: 20px 20px 0 0;
            overflow: hidden;
            padding: 0 1.5rem 2rem;
        }
        header {
            padding: 1.2rem 0 0.6rem;
            border-bottom: 2px solid #eae7e0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #1a2b3c;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #e67e22;
            font-size: 2rem;
        }
        .my-logo span {
            background: linear-gradient(145deg, #1a2b3c, #2c3e50);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .nav-list a {
            text-decoration: none;
            color: #2c3e50;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list a:hover,
        .nav-list a:focus {
            background: #eae7e0;
            color: #d35400;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1a2b3c;
            padding: 0.2rem 0.4rem;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.2rem;
            font-size: 0.85rem;
            color: #6b6b6b;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem;
        }
        .breadcrumb a {
            color: #d35400;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            margin: 0 0.3rem;
            color: #aaa;
        }
        main {
            padding: 1.8rem 0 2rem;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1rem 0 1.8rem;
            color: #1a2b3c;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #e67e22;
            margin-right: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.4rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #eae7e0;
            color: #1a2b3c;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.4rem 0 0.5rem;
            color: #34495e;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #888;
            background: #f1efe9;
            display: inline-block;
            padding: 0.2rem 1rem;
            border-radius: 20px;
            margin-bottom: 1.2rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 16px;
            margin: 1.5rem 0;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            display: block;
        }
        .img-caption {
            font-size: 0.9rem;
            color: #666;
            margin-top: -0.8rem;
            margin-bottom: 1.8rem;
            font-style: italic;
        }
        .highlight {
            background: #fff3e0;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .card {
            background: #faf8f5;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 1.8rem 0;
            border-left: 6px solid #e67e22;
        }
        .card p:last-child {
            margin-bottom: 0;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .btn {
            display: inline-block;
            background: #1a2b3c;
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 600;
            transition: background 0.2s, transform 0.1s;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
        }
        .btn:hover {
            background: #e67e22;
            transform: scale(1.02);
        }
        .btn i {
            margin-right: 0.5rem;
        }
        .search-section {
            background: #f1efe9;
            border-radius: 20px;
            padding: 2rem 2rem 2.2rem;
            margin: 2.5rem 0;
        }
        .search-section form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s;
        }
        .search-section input[type="text"]:focus {
            border-color: #e67e22;
            outline: none;
        }
        .comment-section,
        .rating-section {
            background: #faf8f5;
            border-radius: 20px;
            padding: 2rem 2rem 2.2rem;
            margin: 2.5rem 0;
            border: 1px solid #eae7e0;
        }
        .comment-section textarea,
        .rating-section textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 16px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: border-color 0.2s;
        }
        .comment-section textarea:focus,
        .rating-section textarea:focus {
            border-color: #e67e22;
            outline: none;
        }
        .rating-stars {
            display: flex;
            gap: 0.6rem;
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            margin: 0.8rem 0 1.2rem;
        }
        .rating-stars i.active {
            color: #f1c40f;
        }
        .rating-stars i:hover,
        .rating-stars i.hover {
            color: #f39c12;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #e67e22;
            outline: none;
        }
        friend-link {
            display: block;
            background: #1a2b3c;
            color: #f1efe9;
            padding: 2rem 2rem 1.8rem;
            border-radius: 20px 20px 0 0;
            margin: 2.5rem -1.5rem -2rem;
            font-size: 0.95rem;
        }
        friend-link h3 {
            color: #f8f7f4;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            padding-bottom: 0.6rem;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            list-style: none;
        }
        friend-link .friend-list a {
            color: #f1c40f;
            text-decoration: none;
            font-weight: 500;
        }
        friend-link .friend-list a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding: 1rem 0 0.5rem;
            font-size: 0.85rem;
            color: #999;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 1.2rem;
        }
        a {
            color: #d35400;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s;
        }
        a:hover {
            color: #a04000;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 0 1rem 1.5rem;
                border-radius: 12px 12px 0 0;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 1rem 0;
                border-top: 1px solid #eae7e0;
                gap: 0.4rem;
            }
            .nav-list.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .nav-wrapper {
                width: 100%;
                justify-content: space-between;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                width: 100%;
                min-width: unset;
            }
            .card {
                padding: 1.2rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
            friend-link {
                margin-left: -1rem;
                margin-right: -1rem;
                padding: 1.5rem 1rem;
            }
            friend-link .friend-list {
                flex-direction: column;
                gap: 0.6rem;
            }
            header {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 0.8rem 1.2rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .data-table th {
            background: #1a2b3c;
            color: #fff;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #eae7e0;
        }
        .data-table tr:nth-child(even) {
            background: #faf8f5;
        }
        .data-table tr:hover {
            background: #f1efe9;
        }
        blockquote {
            border-left: 4px solid #e67e22;
            padding: 1rem 1.8rem;
            margin: 1.8rem 0;
            background: #faf8f5;
            border-radius: 0 16px 16px 0;
            font-style: italic;
            color: #444;
        }
        blockquote cite {
            display: block;
            margin-top: 0.6rem;
            font-style: normal;
            font-weight: 600;
            color: #1a2b3c;
        }
        .toc {
            background: #f1efe9;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.5rem 0 2rem;
        }
        .toc ol {
            margin-left: 1.5rem;
            line-height: 2;
        }
        .toc a {
            text-decoration: none;
            color: #1a2b3c;
        }
        .toc a:hover {
            color: #d35400;
            text-decoration: underline;
        }
