*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f5f2eb;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color .2s;
        }
        a:hover,
        a:focus {
            color: #8a6508;
            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: 1.25;
            color: #0e1a2b;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
            border-left: 6px solid #b8860b;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem 0;
            border-bottom: 2px solid #d4c5a9;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.6rem 0;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.4rem 0;
            color: #3e4f5e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .text-center {
            text-align: center;
        }
        .text-small {
            font-size: 0.85rem;
            color: #555;
        }
        .site-header {
            background: #0e1a2b;
            color: #f0e6d5;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #f0e6d5;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #d4a017;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            color: #d4a017;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            color: #b0a08a;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.3rem 1rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #d4c5a9;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(212, 160, 23, 0.15);
            color: #d4a017;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #d4c5a9;
            color: #d4c5a9;
            font-size: 1.4rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(212, 160, 23, 0.2);
        }
        .nav-toggle {
            display: none;
        }
        .nav-toggle:checked~.main-nav {
            display: flex;
        }
        .breadcrumb {
            background: #e8e0d3;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            color: #555;
        }
        .breadcrumb-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            align-items: center;
        }
        .breadcrumb-inner a {
            color: #7a6a50;
        }
        .breadcrumb-inner a:hover {
            color: #b8860b;
        }
        .breadcrumb-inner .sep {
            color: #999;
        }
        .hero {
            background: linear-gradient(145deg, #1a2a3a 0%, #0e1a2b 100%);
            color: #f0e6d5;
            padding: 2.5rem 0 2rem 0;
            margin-bottom: 2rem;
            border-bottom: 4px solid #d4a017;
        }
        .hero h1 {
            color: #f0e6d5;
            border-left-color: #d4a017;
            font-size: 2.6rem;
        }
        .hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            margin-top: 0.6rem;
            font-size: 0.9rem;
            color: #b0a08a;
        }
        .hero .meta i {
            margin-right: 0.3rem;
            color: #d4a017;
        }
        .hero .last-updated {
            background: rgba(212, 160, 23, 0.15);
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
            color: #d4a017;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 1.5rem 0 3rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 5.2rem;
            align-self: start;
        }
        .sidebar-card {
            background: #fffcf7;
            border: 1px solid #ddd6c8;
            border-radius: 12px;
            padding: 1.2rem 1rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h4 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 1px solid #e0d6c6;
            padding-bottom: 0.5rem;
            margin-bottom: 0.8rem;
            color: #0e1a2b;
        }
        .sidebar-card ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-card ul li {
            padding: 0.3rem 0;
            border-bottom: 1px solid #f0e8dc;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .sidebar-card ul li a i {
            color: #b8860b;
            width: 1.1rem;
        }
        .search-form {
            display: flex;
            gap: 0.4rem;
            margin: 1rem 0 0.5rem 0;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.6rem 0.8rem;
            border: 2px solid #d4c5a9;
            border-radius: 8px;
            font-size: 0.95rem;
            background: #fcfaf7;
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #b8860b;
            outline: none;
        }
        .search-form button {
            background: #b8860b;
            color: #fff;
            border: none;
            padding: 0.6rem 1.2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #9e7209;
        }
        .comment-section,
        .rating-section {
            background: #fffcf7;
            border: 1px solid #ddd6c8;
            border-radius: 12px;
            padding: 1.6rem 1.5rem;
            margin: 2.5rem 0 1.5rem 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
            border-bottom: 2px solid #d4c5a9;
            padding-bottom: 0.4rem;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.7rem 0.9rem;
            border: 2px solid #d4c5a9;
            border-radius: 8px;
            font-size: 0.95rem;
            background: #fcfaf7;
            margin-bottom: 0.6rem;
            font-family: inherit;
            transition: border 0.2s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #b8860b;
            outline: none;
        }
        .comment-form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .comment-form .row-2 {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .comment-form .row-2 input {
            flex: 1;
            min-width: 140px;
        }
        .comment-form button,
        .rating-form button {
            background: #0e1a2b;
            color: #f0e6d5;
            border: none;
            padding: 0.65rem 1.8rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #1e2f42;
        }
        .rating-stars {
            display: flex;
            gap: 0.25rem;
            font-size: 1.8rem;
            color: #d4c5a9;
            cursor: pointer;
            margin: 0.5rem 0 0.8rem 0;
            direction: rtl;
            justify-content: flex-end;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            transition: color 0.15s;
            color: #d4c5a9;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #d4a017;
        }
        .rating-form .current-rating {
            font-weight: 600;
            color: #0e1a2b;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
            background: #e8e0d3;
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-image figcaption {
            padding: 0.6rem 1rem;
            background: #f0e8dc;
            font-size: 0.85rem;
            color: #4a3f32;
            font-style: italic;
        }
        friend-link {
            display: block;
            background: #1e2a3a;
            color: #d4c5a9;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            margin-top: 2rem;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
            color: #d4a017;
        }
        friend-link a {
            color: #e0d6c6;
            margin-right: 1.2rem;
            display: inline-block;
            padding: 0.2rem 0;
        }
        friend-link a:hover {
            color: #d4a017;
        }
        .site-footer {
            background: #0e1a2b;
            color: #b0a08a;
            padding: 1.8rem 0;
            font-size: 0.9rem;
            border-top: 3px solid #d4a017;
            margin-top: 2rem;
        }
        .site-footer .copyright {
            text-align: center;
            padding-top: 1rem;
            border-top: 1px solid #2a3a4a;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem 2rem;
            margin-bottom: 1rem;
        }
        .site-footer .footer-links a {
            color: #c0b09a;
        }
        .site-footer .footer-links a:hover {
            color: #d4a017;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .main-content {
                order: 1;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 700px) {
            .hamburger {
                display: inline-block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #141f2e;
                padding: 0.8rem 1rem;
                border-radius: 0 0 12px 12px;
                gap: 0.2rem;
                margin-top: 0.4rem;
            }
            .main-nav a {
                padding: 0.5rem 0.6rem;
                border-bottom: 1px solid #2a3a4a;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .nav-toggle:checked~.main-nav {
                display: flex;
            }
            .header-inner {
                position: relative;
            }
            .hero .meta {
                flex-direction: column;
                gap: 0.5rem;
            }
            .comment-form .row-2 {
                flex-direction: column;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 0.8rem;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 15px;
            }
            h1 {
                font-size: 1.6rem;
                padding-left: 0.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
        }
        .highlight {
            background: #faf0dc;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .blockquote {
            background: #f0e8dc;
            border-left: 5px solid #d4a017;
            padding: 1rem 1.4rem;
            margin: 1.4rem 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
        }
        .blockquote cite {
            display: block;
            margin-top: 0.4rem;
            font-style: normal;
            font-weight: 600;
            color: #5a4a3a;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin: 1.2rem 0;
        }
        .stat-card {
            background: #fffcf7;
            border: 1px solid #ddd6c8;
            border-radius: 10px;
            padding: 1rem;
            text-align: center;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
        }
        .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #b8860b;
        }
        .stat-card .label {
            font-size: 0.8rem;
            color: #6a5a4a;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .toc {
            background: #f0e8dc;
            border: 1px solid #ddd6c8;
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ol {
            margin-bottom: 0;
            columns: 2 240px;
            column-gap: 2rem;
        }
        .toc ol li {
            break-inside: avoid;
            padding: 0.2rem 0;
        }
        @media (max-width: 600px) {
            .toc ol {
                columns: 1;
            }
        }
.data-table {
                        width: 100%;
                        border-collapse: collapse;
                        margin: 1.2rem 0;
                        font-size: 0.95rem;
                        background: #fffcf7;
                        border-radius: 10px;
                        overflow: hidden;
                        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
                    }
                    .data-table th {
                        background: #0e1a2b;
                        color: #f0e6d5;
                        padding: 0.7rem 0.9rem;
                        text-align: left;
                    }
                    .data-table td {
                        padding: 0.6rem 0.9rem;
                        border-bottom: 1px solid #e8e0d3;
                    }
                    .data-table tr:last-child td {
                        border-bottom: none;
                    }
                    .data-table tr:nth-child(even) {
                        background: #f8f4ee;
                    }