*,
        *::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: #f5f0e8;
            color: #2d2d2d;
            line-height: 1.75;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #1e3a5f;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ff6b00;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #1e3a5f;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.75rem;
            border-bottom: 3px solid #ff6b00;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.1rem;
            color: #2d2d2d;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 0;
            background: #ff6b00;
            color: #fff;
            padding: 0.6rem 1.2rem;
            z-index: 9999;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1e3a5f 0%, #0f2338 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffd700;
            letter-spacing: -0.5px;
            text-transform: uppercase;
            text-decoration: none;
            background: linear-gradient(135deg, #ffd700, #ff6b00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: opacity 0.3s;
        }
        .my-logo:hover,
        .my-logo:focus {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #ff6b00;
            margin-right: 0.3rem;
            font-size: 1.6rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .primary-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .primary-nav a {
            color: #e0e8f0;
            padding: 0.5rem 0.9rem;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.25s, color 0.25s;
            text-decoration: none;
        }
        .primary-nav a:hover,
        .primary-nav a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #ffd700;
            text-decoration: none;
        }
        .primary-nav a.active {
            background: #ff6b00;
            color: #fff;
        }
        .breadcrumb {
            background: #e8e0d6;
            padding: 0.5rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d6cec2;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.4rem;
            color: #888;
        }
        .breadcrumb a {
            color: #1e3a5f;
        }
        .breadcrumb a:hover {
            color: #ff6b00;
        }
        .breadcrumb .current {
            color: #666;
            font-weight: 500;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        @media (max-width: 900px) {
            .main-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .article-body {
            background: #fff;
            border-radius: 16px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .article-body .featured-img {
            border-radius: 14px;
            margin: 1.5rem 0 1.8rem;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .article-body .img-caption {
            font-size: 0.9rem;
            color: #777;
            text-align: center;
            margin-top: -1rem;
            margin-bottom: 1.8rem;
            font-style: italic;
        }
        .last-updated {
            display: inline-block;
            background: #f0ebe4;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #666;
            margin-bottom: 1rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
            color: #ff6b00;
        }
        .highlight-box {
            background: #f0f4fa;
            border-left: 5px solid #ff6b00;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .highlight-box strong {
            color: #1e3a5f;
        }
        .emoji-big {
            font-size: 1.4rem;
            line-height: 1;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.4rem 1.6rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #ff6b00;
            padding-bottom: 0.3rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            margin-bottom: 0.5rem;
        }
        .sidebar-card li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 0;
            font-weight: 500;
        }
        .sidebar-card li a i {
            color: #ff6b00;
            width: 1.2rem;
            text-align: center;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin-top: 0.3rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.6rem 1rem;
            border: 2px solid #d6cec2;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            background: #faf8f5;
        }
        .search-form input:focus {
            border-color: #ff6b00;
        }
        .search-form button {
            background: #ff6b00;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.6rem 1.2rem;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #e55e00;
            transform: scale(1.03);
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 14px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            margin-top: 2.5rem;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e3a5f;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d6cec2;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            background: #faf8f5;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #ff6b00;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn-submit {
            background: #1e3a5f;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.7rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .btn-submit:hover {
            background: #ff6b00;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            font-size: 2rem;
            margin-bottom: 0.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffd700;
            transform: scale(1.05);
        }
        friend-link {
            display: block;
            background: #1e3a5f;
            color: #e0e8f0;
            padding: 1.6rem 0;
            margin-top: 2rem;
            border-radius: 0;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            align-items: center;
            justify-content: center;
        }
        friend-link a {
            color: #ffd700;
            font-weight: 500;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: rgba(255, 215, 0, 0.15);
            text-decoration: none;
        }
        friend-link .friend-label {
            font-weight: 700;
            color: #ffd700;
            letter-spacing: 1px;
            font-size: 0.95rem;
            text-transform: uppercase;
        }
        .site-footer {
            background: #0f2338;
            color: #b0c4d8;
            padding: 2rem 0 1.2rem;
            font-size: 0.9rem;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .site-footer a {
            color: #ffd700;
        }
        .site-footer a:hover {
            color: #ff6b00;
        }
        .site-footer .copyright {
            font-size: 0.85rem;
            color: #8899aa;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.1rem;
                padding-top: 0.8rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.6rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.7rem 0.8rem;
                border-radius: 8px;
            }
            .article-body {
                padding: 1.2rem 1rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .header-inner {
                padding: 0 0.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .sidebar {
                order: 2;
            }
            .main-grid {
                padding: 1.2rem 0;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            friend-link .container {
                flex-direction: column;
                text-align: center;
                gap: 0.6rem;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .article-body {
                padding: 0.8rem 0.8rem;
            }
            .container {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #ff6b00;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(255, 107, 0, 0.35);
            cursor: pointer;
            border: none;
            z-index: 999;
            transition: transform 0.25s, opacity 0.3s;
            opacity: 0;
            pointer-events: none;
        }
        .scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top:hover {
            transform: scale(1.1);
        }
        @media print {
            .site-header,
            .breadcrumb,
            .sidebar,
            .search-form,
            .comment-section,
            .rating-section,
            friend-link,
            .scroll-top,
            .nav-toggle {
                display: none !important;
            }
            .main-grid {
                display: block;
            }
            .article-body {
                box-shadow: none;
                padding: 0;
            }
            body {
                background: #fff;
            }
        }