* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fb;
            color: #1e293b;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1e40af;
            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(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f59e0b, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(245, 158, 11, 0.2);
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 14px;
            font-weight: 400;
            -webkit-text-fill-color: #94a3b8;
            color: #94a3b8;
            display: block;
            letter-spacing: 0.5px;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #f59e0b;
            color: #f59e0b;
            font-size: 26px;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: rgba(245, 158, 11, 0.15);
        }
        nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e2e8f0;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            transition: 0.2s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(245, 158, 11, 0.15);
            color: #f59e0b;
            text-decoration: none;
        }
        .nav-active {
            background: rgba(245, 158, 11, 0.18);
            color: #f59e0b;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 10px 0;
            font-size: 13px;
            border-bottom: 1px solid #d1d9e6;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb a:hover {
            color: #2563eb;
        }
        .breadcrumb span {
            color: #64748b;
        }
        main {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 36px;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        h2 {
            font-size: 28px;
            font-weight: 700;
            color: #0f172a;
            margin-top: 48px;
            margin-bottom: 16px;
            border-left: 5px solid #f59e0b;
            padding-left: 18px;
        }
        h3 {
            font-size: 22px;
            font-weight: 600;
            color: #1e293b;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 18px;
            font-weight: 600;
            color: #334155;
            margin-top: 24px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 18px;
            color: #1e293b;
        }
        .lead {
            font-size: 19px;
            color: #334155;
            font-weight: 400;
            line-height: 1.8;
        }
        .article-img {
            margin: 30px 0;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .article-img figcaption {
            font-size: 13px;
            color: #64748b;
            margin-top: 8px;
            text-align: center;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fef9e7, #fdf2e9);
            border-left: 5px solid #f59e0b;
            padding: 24px 28px;
            border-radius: 12px;
            margin: 28px 0;
        }
        .highlight-box strong {
            color: #b45309;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .data-table th {
            background: #1e293b;
            color: #fff;
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 12px 18px;
            border-bottom: 1px solid #e2e8f0;
        }
        .data-table tr:hover td {
            background: #f8fafc;
        }
        .btn {
            display: inline-block;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            transition: 0.2s;
        }
        .btn-primary {
            background: #f59e0b;
            color: #0f172a;
        }
        .btn-primary:hover {
            background: #d97706;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #2563eb;
            color: #2563eb;
        }
        .btn-outline:hover {
            background: #2563eb;
            color: #fff;
        }
        .search-section {
            background: #fff;
            border-radius: 20px;
            padding: 32px 28px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            margin: 40px 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #d1d9e6;
            border-radius: 40px;
            font-size: 16px;
            outline: none;
            transition: 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #f59e0b;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.1);
        }
        .search-form button {
            padding: 14px 32px;
            border-radius: 40px;
            border: none;
            background: #f59e0b;
            color: #0f172a;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-form button:hover {
            background: #d97706;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        @media (max-width:700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .card {
            background: #fff;
            border-radius: 20px;
            padding: 28px 26px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .card h3 {
            margin-top: 0;
            font-size: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .card label {
            font-weight: 600;
            display: block;
            margin: 14px 0 6px;
        }
        .card input,
        .card textarea,
        .card select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d1d9e6;
            border-radius: 12px;
            font-size: 15px;
            outline: none;
            transition: 0.2s;
            font-family: inherit;
        }
        .card input:focus,
        .card textarea:focus,
        .card select:focus {
            border-color: #f59e0b;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.08);
        }
        .card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .card .btn {
            margin-top: 14px;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 28px;
            cursor: pointer;
            color: #d1d9e6;
            transition: 0.1s;
        }
        .star-rating i {
            transition: 0.1s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f59e0b;
            transform: scale(1.1);
        }
        footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        footer a {
            color: #f59e0b;
        }
        footer a:hover {
            color: #fbbf24;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        @media (max-width:700px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-grid h4 {
            color: #fff;
            margin-top: 0;
            font-size: 17px;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid li {
            margin-bottom: 8px;
        }
        .footer-grid li a {
            color: #94a3b8;
        }
        .footer-grid li a:hover {
            color: #f59e0b;
        }
        friend-link {
            display: block;
            padding: 18px 0;
            border-top: 1px solid #1e293b;
            border-bottom: 1px solid #1e293b;
            margin: 20px 0;
            font-size: 14px;
        }
        friend-link a {
            color: #f59e0b;
            margin: 0 8px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            font-size: 13px;
            color: #64748b;
            border-top: 1px solid #1e293b;
        }
        @media (max-width:768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 16px;
                gap: 4px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 12px 18px;
                border-radius: 10px;
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 24px;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 22px;
            }
        }
        @media (max-width:480px) {
            .container {
                padding: 0 14px;
            }
            .search-form input[type="text"] {
                min-width: 100%;
            }
            .search-form button {
                width: 100%;
            }
        }
        .hidden-schema {
            display: none;
        }
        .text-muted {
            color: #64748b;
            font-size: 14px;
        }
        .mt-2 {
            margin-top: 12px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .flex {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .gap-2 {
            gap: 16px;
        }
        .list-styled {
            padding-left: 24px;
            margin-bottom: 18px;
        }
        .list-styled li {
            margin-bottom: 6px;
        }
        .badge {
            display: inline-block;
            background: #f59e0b;
            color: #0f172a;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 700;
        }
        .quote {
            font-style: italic;
            color: #475569;
            padding: 16px 24px;
            border-left: 4px solid #f59e0b;
            background: #f8fafc;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }