        *,
        *::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: #f5f2ed;
            color: #1e1b18;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #b45f2b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #7c3f1a;
            text-decoration: underline;
        }
        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: 1.3;
            color: #1e1b18;
        }
        h1 {
            font-size: 2.4rem;
            margin: 0 0 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            border-bottom: 3px solid #d4a373;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.8rem;
            color: #3d2c23;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.5rem;
            color: #5a3e2e;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #1e1b18;
            color: #f5f2ed;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #e6b17e;
            background: linear-gradient(135deg, #e6b17e, #b45f2b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            background: #e6b17e;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo span {
            font-size: 0.9rem;
            font-weight: 400;
            color: #b7a99a;
            -webkit-text-fill-color: #b7a99a;
            letter-spacing: 0;
            margin-left: 0.3rem;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            flex-wrap: wrap;
            padding: 0;
        }
        .nav-list li a {
            color: #d9cfc4;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            display: inline-block;
        }
        .nav-list li a:hover,
        .nav-list li a:focus {
            background: #3d2c23;
            color: #f5f2ed;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f5f2ed;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #3d2c23;
        }
        .breadcrumb {
            background: #e8e0d7;
            padding: 0.7rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d4c9bd;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.2rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: #8a7a6b;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #7c3f1a;
        }
        .breadcrumb .current {
            color: #4a372a;
            font-weight: 600;
        }
        .main-content {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 2rem;
            align-items: center;
            font-size: 0.95rem;
            color: #5f4d3d;
            margin: 0.8rem 0 1.5rem;
            padding: 0.6rem 0;
            border-top: 1px solid #d4c9bd;
            border-bottom: 1px solid #d4c9bd;
        }
        .article-meta i {
            margin-right: 0.4rem;
            color: #b45f2b;
        }
        .article-meta .last-updated {
            font-weight: 600;
            color: #3d2c23;
        }
        .article-body {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-text {
            min-width: 0;
        }
        .article-text p {
            margin: 0 0 1.2rem;
            font-size: 1.05rem;
        }
        .article-text .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #2d241e;
            border-left: 4px solid #b45f2b;
            padding-left: 1.2rem;
            margin: 1.2rem 0 1.8rem;
        }
        .sidebar {
            background: #e8e0d7;
            border-radius: 16px;
            padding: 1.5rem 1.2rem;
            align-self: start;
            position: sticky;
            top: 5.5rem;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #d4a373;
            padding-bottom: 0.4rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0;
        }
        .sidebar li {
            margin: 0.4rem 0;
        }
        .sidebar li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        .sidebar li a:hover {
            background: #d4c9bd;
            text-decoration: none;
        }
        .sidebar li a i {
            color: #b45f2b;
            width: 1.2rem;
        }
        .featured-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        }
        .featured-image figcaption {
            background: #e8e0d7;
            padding: 0.7rem 1.2rem;
            font-size: 0.9rem;
            color: #4a372a;
            font-style: italic;
            text-align: center;
        }
        .search-section {
            background: #1e1b18;
            color: #f5f2ed;
            padding: 2rem 1.5rem;
            border-radius: 16px;
            margin: 2.5rem 0;
            text-align: center;
        }
        .search-section h3 {
            color: #e6b17e;
            margin-top: 0;
            font-size: 1.5rem;
        }
        .search-form {
            display: flex;
            max-width: 580px;
            margin: 1rem auto 0;
            gap: 0.5rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            background: #f5f2ed;
            color: #1e1b18;
            outline: none;
        }
        .search-form button {
            background: #b45f2b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.8rem 1.8rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #7c3f1a;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .comment-box,
        .rating-box {
            background: #e8e0d7;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #d4c9bd;
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            background: #fff;
            resize: vertical;
            min-height: 110px;
            transition: border-color 0.2s;
        }
        .comment-box textarea:focus {
            border-color: #b45f2b;
            outline: none;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d4c9bd;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            margin: 0.5rem 0 0.8rem;
        }
        .comment-box input[type="text"]:focus {
            border-color: #b45f2b;
            outline: none;
        }
        .btn {
            background: #b45f2b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.8rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #7c3f1a;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #5f4d3d;
        }
        .btn-secondary:hover {
            background: #3d2c23;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            margin: 0.8rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.2rem;
            color: #c4b5a6;
            cursor: pointer;
            transition: color 0.2s, transform 0.1s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #e6b17e;
        }
        .star-rating input:checked~label {
            color: #e6b17e;
        }
        .star-rating label:hover {
            transform: scale(1.15);
        }
        .site-footer {
            background: #1e1b18;
            color: #b7a99a;
            padding: 2.5rem 0 1.5rem;
            font-size: 0.95rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #e6b17e;
            margin: 0 0 0.8rem;
            font-size: 1.1rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin: 0.3rem 0;
        }
        .footer-links a {
            color: #c4b5a6;
        }
        .footer-links a:hover {
            color: #e6b17e;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            padding: 0.8rem 0;
            border-top: 1px solid #3d2c23;
            border-bottom: 1px solid #3d2c23;
            margin: 1rem 0;
        }
        .friend-link a {
            color: #c4b5a6;
            font-weight: 500;
        }
        .friend-link a:hover {
            color: #e6b17e;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            font-size: 0.85rem;
            border-top: 1px solid #3d2c23;
            margin-top: 1.2rem;
            color: #8a7a6b;
        }
        .copyright a {
            color: #b7a99a;
        }
        @media (max-width: 992px) {
            .article-body {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 1.5rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e1b18;
                padding: 0.8rem 0;
                border-radius: 0 0 12px 12px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                display: block;
                padding: 0.7rem 1.2rem;
            }
            .hamburger {
                display: inline-block;
            }
            .search-form {
                flex-direction: column;
                align-items: stretch;
            }
            .search-form input[type="text"] {
                min-width: auto;
            }
            .star-rating label {
                font-size: 1.8rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.3rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo span {
                font-size: 0.7rem;
            }
        }
        .highlight {
            background: linear-gradient(to right, #f5e6d3, #e6d5c0);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #b45f2b;
            color: #fff;
            font-size: 0.75rem;
            padding: 0.2rem 0.7rem;
            border-radius: 30px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .blockquote {
            border-left: 4px solid #b45f2b;
            background: #f0e8df;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #3d2c23;
        }
        .blockquote cite {
            display: block;
            margin-top: 0.6rem;
            font-size: 0.9rem;
            font-style: normal;
            color: #6b5544;
        }
