:root {
            --primary: #7c3aed;
            --primary-light: #a78bfa;
            --primary-dark: #5b21b6;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --dark: #1e1b4b;
            --grey: #f3f4f6;
            --grey-dark: #9ca3af;
            --text: #333;
            --white: #fff;
            --radius: 12px;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            color: var(--text);
            line-height: 1.7;
            background: var(--grey);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: all 0.2s;
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 900;
            color: var(--white);
            letter-spacing: 1px;
            background: linear-gradient(45deg, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.3s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.04);
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .navbar {
            display: flex;
            list-style: none;
            gap: 4px;
        }
        .navbar li a {
            color: rgba(255, 255, 255, 0.9);
            padding: 10px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.3s;
        }
        .navbar li a:hover,
        .navbar li a.active {
            background: var(--primary);
            color: var(--white);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            font-size: 28px;
            color: var(--white);
            cursor: pointer;
            padding: 8px;
        }
        .breadcrumb {
            background: var(--white);
            border-bottom: 1px solid #e5e7eb;
            padding: 10px 0;
            font-size: 14px;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 6px;
            color: var(--grey-dark);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .hero {
            background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, #f59e0b 100%);
            padding: 50px 0 40px;
            text-align: center;
            border-bottom: 4px solid var(--primary);
        }
        .hero h1 {
            font-size: 2.6rem;
            color: var(--dark);
            margin-bottom: 12px;
            font-weight: 900;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.15rem;
            color: #624a1e;
            max-width: 800px;
            margin: 0 auto;
        }
        .search-section {
            margin: 30px 0 20px;
            text-align: center;
        }
        .search-form {
            display: inline-flex;
            width: 100%;
            max-width: 520px;
            background: var(--white);
            border-radius: 50px;
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 16px;
            outline: none;
            font-family: inherit;
        }
        .search-form button {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 14px 24px;
            cursor: pointer;
            font-size: 16px;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: var(--primary-dark);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        main {
            background: var(--white);
            border-radius: var(--radius);
            padding: 35px;
            box-shadow: var(--shadow);
        }
        @media (max-width: 600px) {
            main {
                padding: 20px;
            }
        }
        h2 {
            font-size: 1.9rem;
            color: var(--dark);
            margin: 32px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--primary);
            font-weight: 800;
        }
        h3 {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin: 26px 0 12px;
            font-weight: 700;
        }
        h4 {
            font-size: 1.1rem;
            color: var(--dark);
            margin: 20px 0 10px;
            font-weight: 700;
        }
        p {
            margin-bottom: 16px;
        }
        .lead {
            font-size: 1.1rem;
            color: #555;
            font-style: italic;
        }
        .highlight-box {
            background: #fef3c7;
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .info-box {
            background: #eef2ff;
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .tip-box {
            background: #ecfdf5;
            border-left: 4px solid #10b981;
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .content-image {
            width: 100%;
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
            height: auto;
        }
        .figure-caption {
            text-align: center;
            font-size: 14px;
            color: var(--grey-dark);
            margin-top: -12px;
            margin-bottom: 24px;
        }
        .skin-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .skin-table th {
            background: var(--primary);
            color: var(--white);
            padding: 12px 14px;
            text-align: left;
            font-weight: 600;
        }
        .skin-table td {
            padding: 12px 14px;
            border-bottom: 1px solid #e5e7eb;
        }
        .skin-table tr:nth-child(even) {
            background: #f9fafb;
        }
        .skin-table tr:hover {
            background: #f0fdf4;
        }
        @media (max-width: 600px) {
            .skin-table {
                font-size: 13px;
            }
            .skin-table th,
            .skin-table td {
                padding: 8px 6px;
            }
        }
        ul.custom-list,
        ol.custom-list {
            margin: 16px 0 16px 24px;
        }
        ul.custom-list li,
        ol.custom-list li {
            margin-bottom: 10px;
            position: relative;
        }
        ul.custom-list li::marker {
            color: var(--primary);
            font-size: 1.2em;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .widget {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 8px;
            color: var(--dark);
        }
        .widget ul {
            list-style: none;
        }
        .widget ul li {
            margin-bottom: 8px;
            padding: 6px 0;
            border-bottom: 1px solid #f3f4f6;
        }
        .widget ul li a {
            color: var(--text);
            font-weight: 500;
        }
        .widget ul li a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .rating-widget {
            background: var(--grey);
            border-radius: var(--radius);
            padding: 24px;
            text-align: center;
        }
        .stars {
            font-size: 28px;
            color: var(--accent);
            letter-spacing: 4px;
            margin-bottom: 12px;
        }
        .stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-form button {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 10px 24px;
            border-radius: 30px;
            cursor: pointer;
            font-size: 15px;
            font-family: inherit;
            transition: all 0.3s;
        }
        .rating-form button:hover {
            background: var(--primary-dark);
        }
        .comment-form {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            margin: 30px 0;
        }
        .comment-form h3 {
            margin-top: 0;
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            border: 2px solid #e5e7eb;
            border-radius: 8px;
            font-family: inherit;
            font-size: 15px;
            margin-bottom: 14px;
            transition: border-color 0.3s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: var(--primary);
            outline: none;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            cursor: pointer;
            font-size: 15px;
            font-family: inherit;
            font-weight: 600;
            transition: background 0.3s;
        }
        .comment-form button:hover {
            background: var(--primary-dark);
        }
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 0;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-grid h4 {
            color: var(--white);
            margin-bottom: 14px;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-grid ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }
        .footer-grid ul li a:hover {
            color: var(--accent-light);
            text-decoration: none;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
            font-size: 14px;
            line-height: 2;
        }
        friend-link a {
            color: var(--accent-light);
            margin: 0 8px;
        }
        .copyright {
            text-align: center;
            padding: 20px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            background: rgba(0, 0, 0, 0.2);
        }
        .copyright a {
            color: var(--accent-light);
        }
        .last-updated {
            display: inline-block;
            background: var(--grey);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            color: var(--dark);
            font-weight: 600;
            margin: 20px 0;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
                order: 3;
            }
            .navbar {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--primary-dark);
                border-radius: 12px;
                padding: 10px;
                order: 4;
                margin-top: 10px;
            }
            .navbar.show {
                display: flex;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 22px;
                flex: 1;
            }
            .db-search {
                order: 5;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp 0.6s ease-out;
        }
        .code-block {
            background: #1f2937;
            color: #f9fafb;
            padding: 18px;
            border-radius: 8px;
            font-family: "Courier New", monospace;
            font-size: 14px;
            overflow-x: auto;
            margin: 20px 0;
            line-height: 1.5;
        }
        .code-block .comment {
            color: #6b7280;
        }