* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: #f5f0eb;
            color: #2d2a24;
            line-height: 1.7;
            font-size: 16px;
        }
        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;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(145deg, #1a1a2e, #16213e);
            color: #fff;
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f1c40f, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(241, 196, 15, 0.15);
            font-family: 'Trebuchet MS', 'Segoe UI', sans-serif;
        }
        .my-logo i {
            -webkit-text-fill-color: #f1c40f;
            margin-right: 6px;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #f0ede8;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: rgba(241, 196, 15, 0.2);
            color: #f1c40f;
            text-decoration: none;
        }
        nav a i {
            margin-right: 5px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e8e2da;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d6cec4;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb a {
            color: #7f6b5d;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .breadcrumb span {
            color: #5a4a3a;
            font-weight: 500;
        }
        .breadcrumb .sep {
            color: #b0a090;
            margin: 0 4px;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-body h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #1a1a2e;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .article-body h1 i {
            color: #e67e22;
            margin-right: 10px;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #7f6b5d;
            font-size: 0.9rem;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 2px dashed #d6cec4;
        }
        .last-updated i {
            color: #c0392b;
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #1a1a2e;
            margin: 40px 0 16px;
            padding-left: 12px;
            border-left: 5px solid #e67e22;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #2d2a24;
            margin: 28px 0 12px;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #4a3f35;
            margin: 20px 0 8px;
        }
        .article-body p {
            margin-bottom: 16px;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .feature-img {
            margin: 28px 0 20px;
            border-radius: 14px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
        }
        .feature-img figcaption {
            font-size: 0.85rem;
            color: #7f6b5d;
            margin-top: 8px;
            text-align: center;
            font-style: italic;
        }
        .highlight-box {
            background: #fffbf0;
            border-left: 5px solid #f1c40f;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .highlight-box strong {
            color: #c0392b;
        }
        .tip-card {
            background: #eaf7e9;
            border-radius: 12px;
            padding: 18px 22px;
            margin: 20px 0;
            border: 1px solid #c8e6c9;
        }
        .tip-card i {
            color: #2e7d32;
            margin-right: 8px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 600px;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #ddd6cc;
        }
        .table-wrap th {
            background: #1a1a2e;
            color: #f1c40f;
            font-weight: 600;
        }
        .table-wrap tr:nth-child(even) {
            background: #faf6f0;
        }
        .table-wrap tr:hover {
            background: #f0ebe4;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 20px;
            margin-bottom: 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8e2da;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid #f1c40f;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid #f0ebe4;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            color: #4a3f35;
            font-weight: 500;
            display: block;
            padding: 4px 0;
        }
        .sidebar-card ul li a:hover {
            color: #c0392b;
            padding-left: 6px;
        }
        .sidebar-card ul li a i {
            color: #e67e22;
            width: 20px;
            margin-right: 6px;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 20px 0 30px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #d6cec4;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #e67e22;
            outline: none;
        }
        .search-form button {
            padding: 12px 24px;
            background: #1a1a2e;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
        }
        .search-form button:hover {
            background: #e67e22;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0 20px;
            padding-top: 30px;
            border-top: 3px solid #e8e2da;
        }
        .comment-box,
        .score-box {
            background: #fff;
            border-radius: 14px;
            padding: 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8e2da;
        }
        .comment-box h3,
        .score-box h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 16px;
        }
        .comment-box h3 i,
        .score-box h3 i {
            color: #e67e22;
            margin-right: 8px;
        }
        .comment-box textarea,
        .comment-box input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d6cec4;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            margin-bottom: 12px;
            transition: border 0.2s;
        }
        .comment-box textarea:focus,
        .comment-box input:focus {
            border-color: #e67e22;
            outline: none;
        }
        .comment-box textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-box button,
        .score-box button {
            padding: 10px 28px;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        .comment-box button:hover,
        .score-box button:hover {
            background: #e74c3c;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 2rem;
            margin: 12px 0 16px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ddd6cc;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        footer {
            background: #1a1a2e;
            color: #e8e2da;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        footer h4 {
            color: #f1c40f;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        footer a {
            color: #d6cec4;
        }
        footer a:hover {
            color: #f1c40f;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin: 8px 0 16px;
        }
        .friend-link a {
            background: rgba(255, 255, 255, 0.06);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .friend-link a:hover {
            background: rgba(241, 196, 15, 0.15);
            border-color: #f1c40f;
            text-decoration: none;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #b0a090;
        }
        .copyright strong {
            color: #f1c40f;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 8px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 14px;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .feedback-section {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr;
            }
            .breadcrumb .container {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f5f0eb;
        }
        ::-webkit-scrollbar-thumb {
            background: #c0b0a0;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #a09080;
        }
        .text-muted {
            color: #7f6b5d;
            font-size: 0.9rem;
        }
        .mt-2 {
            margin-top: 12px;
        }
        .mb-2 {
            margin-bottom: 12px;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }