*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #0b0b1a;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #c0392b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #c0392b;
            padding-left: 1rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.5rem;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.02rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
            padding: 1.5rem 2rem 2rem;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 1rem 1rem 1.5rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
                padding-left: 0.6rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            p {
                font-size: 0.98rem;
            }
        }
        .header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem;
            border-bottom: 2px solid #eaeef2;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(145deg, #c0392b, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none !important;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #555;
            color: #555;
            display: block;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #1a1a2e;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #f0f0f5;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 1.2rem;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0.5rem 0 0;
        }
        .nav-menu li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            color: #2c3e50;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            background: #fce8e6;
            color: #c0392b;
            text-decoration: none;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 0.8rem;
                background: #f8f9fc;
                border-radius: 12px;
                padding: 0.8rem 1rem;
                border: 1px solid #e0e4ec;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 0.6rem 0.8rem;
                border-bottom: 1px solid #eee;
            }
            .nav-menu li:last-child a {
                border-bottom: none;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            font-size: 0.88rem;
            padding: 0.8rem 0 0.2rem;
            color: #5a6a7a;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #b0b8c4;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .breadcrumb .active {
            color: #c0392b;
            font-weight: 600;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #6a7a8a;
            background: #f0f2f6;
            display: inline-block;
            padding: 0.25rem 1rem;
            border-radius: 30px;
            margin: 1rem 0 0.3rem;
        }
        .featured-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 14px;
            overflow: hidden;
            background: #eef1f5;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #5a6a7a;
            background: #f8f9fc;
            border-top: 1px solid #e0e4ec;
        }
        .search-section {
            background: #f0f2f6;
            border-radius: 14px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            text-align: center;
        }
        .search-section h3 {
            margin-top: 0;
            color: #0b0b1a;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem;
            max-width: 600px;
            margin: 1rem auto 0;
        }
        .search-form input {
            flex: 1 1 260px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d0d6de;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .search-form input:focus {
            border-color: #c0392b;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .interaction-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 3rem 0 1.5rem;
            padding: 2rem 0;
            border-top: 2px solid #eaeef2;
            border-bottom: 2px solid #eaeef2;
        }
        @media (max-width: 700px) {
            .interaction-section {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .comment-box,
        .rating-box {
            background: #f8f9fc;
            padding: 1.5rem 1.8rem;
            border-radius: 14px;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #d0d6de;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 90px;
            transition: border 0.2s;
            background: #fff;
        }
        .comment-form textarea:focus {
            border-color: #c0392b;
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 0.8rem;
            align-items: center;
        }
        .comment-form input[type="text"] {
            flex: 1 1 180px;
            padding: 0.6rem 1rem;
            border: 2px solid #d0d6de;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: border 0.2s;
            background: #fff;
        }
        .comment-form input[type="text"]:focus {
            border-color: #c0392b;
            outline: none;
        }
        .comment-form button {
            padding: 0.6rem 1.8rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover {
            background: #a93226;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2.2rem;
            justify-content: center;
            margin: 0.8rem 0 1.2rem;
            color: #d0d6de;
            cursor: pointer;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.1s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f1c40f;
            transform: scale(1.08);
        }
        .rating-box .score-form {
            text-align: center;
        }
        .rating-box .score-form button {
            padding: 0.6rem 2.2rem;
            background: #2c3e50;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 0.5rem;
        }
        .rating-box .score-form button:hover {
            background: #1a2a3a;
        }
        .rating-value {
            font-size: 1.2rem;
            font-weight: 700;
            color: #c0392b;
            margin-left: 0.5rem;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0 0.5rem;
            border-top: 2px solid #eaeef2;
            margin-top: 1.5rem;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            color: #0b0b1a;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.5rem;
            list-style: none;
            padding: 0;
        }
        friend-link .fl-list li a {
            color: #2c3e50;
            font-weight: 500;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            transition: background 0.2s, color 0.2s;
        }
        friend-link .fl-list li a:hover {
            background: #fce8e6;
            color: #c0392b;
            text-decoration: none;
        }
        .footer {
            padding: 1.5rem 0 0.8rem;
            text-align: center;
            font-size: 0.9rem;
            color: #5a6a7a;
            border-top: 1px solid #e0e4ec;
            margin-top: 1rem;
        }
        .footer .copyright {
            font-weight: 400;
        }
        .highlight {
            background: #fef9e7;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #c0392b;
            color: #fff;
            font-size: 0.75rem;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            background: #f8f9fc;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }
        .data-table th {
            background: #2c3e50;
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #e0e4ec;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #fef9e7;
        }
        @media (max-width: 600px) {
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.4rem 0.6rem;
            }
        }
        .toc {
            background: #f0f2f6;
            border-radius: 14px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0 2.5rem;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            columns: 2 240px;
            column-gap: 2rem;
        }
        .toc ul li {
            margin-bottom: 0.4rem;
            break-inside: avoid;
        }
        .toc ul li a {
            color: #2c3e50;
            font-weight: 500;
            border-bottom: 1px dotted #c0c8d4;
        }
        .toc ul li a:hover {
            color: #c0392b;
            border-bottom-color: #c0392b;
            text-decoration: none;
        }
        @media (max-width: 480px) {
            .search-section {
                padding: 1.2rem 1rem;
            }
            .comment-box,
            .rating-box {
                padding: 1rem 1.2rem;
            }
            .rating-stars {
                font-size: 1.8rem;
            }
            .toc {
                padding: 1rem 1.2rem;
            }
            .toc ul {
                columns: 1;
            }
        }