*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
            background: #f8fafc;
            color: #0f172a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #1e40af;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #3b82f6;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #facc15;
            text-shadow: 0 2px 8px rgba(250, 204, 21, 0.25);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #fde047;
        }
        .my-logo small {
            display: block;
            font-size: 0.55rem;
            font-weight: 400;
            color: #94a3b8;
            letter-spacing: 1px;
            margin-top: -2px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 2px solid #facc15;
            color: #facc15;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(250, 204, 21, 0.15);
        }
        .navbar {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .navbar a {
            color: #e2e8f0;
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .navbar a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #facc15;
            text-decoration: none;
        }
        .navbar a.active {
            background: #facc15;
            color: #0f172a;
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 0.6rem 0;
            font-size: 0.8rem;
            color: #475569;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.25rem 0.5rem;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            color: #94a3b8;
            margin-right: 0.5rem;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #1e40af;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .page-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem 0;
        }
        @media(max-width:992px) {
            .page-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        @media(max-width:992px) {
            .sidebar {
                position: static;
            }
        }
        .sidebar-widget {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f6;
        }
        .sidebar-widget h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #0f172a;
            border-left: 4px solid #facc15;
            padding-left: 0.75rem;
        }
        .sidebar-widget ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-widget ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-widget ul li:last-child {
            border-bottom: none;
        }
        .sidebar-widget ul li a {
            font-size: 0.9rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-widget ul li a i {
            color: #facc15;
            font-size: 0.7rem;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: #0f172a;
        }
        h1 .highlight {
            color: #facc15;
            background: #0f172a;
            padding: 0 0.4rem;
            border-radius: 4px;
        }
        h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-top: 2.5rem;
            margin-bottom: 0.8rem;
            color: #0f172a;
            border-bottom: 3px solid #facc15;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 1.8rem;
            margin-bottom: 0.5rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-top: 1.2rem;
            margin-bottom: 0.3rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.1rem;
            color: #1e293b;
        }
        .lead {
            font-size: 1.15rem;
            font-weight: 400;
            color: #334155;
            background: #f1f5f9;
            padding: 1.2rem 1.5rem;
            border-radius: 14px;
            border-left: 6px solid #facc15;
            margin-bottom: 1.8rem;
        }
        .stat-box {
            background: #0f172a;
            color: #f8fafc;
            padding: 1.2rem 1.5rem;
            border-radius: 14px;
            margin: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: space-around;
            text-align: center;
        }
        .stat-box .stat-item {
            flex: 1 1 120px;
        }
        .stat-box .stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #facc15;
            display: block;
        }
        .stat-box .stat-item .label {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #94a3b8;
        }
        .feature-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f6;
            transition: transform 0.2s ease;
        }
        .feature-card:hover {
            transform: translateY(-3px);
        }
        .feature-card .card-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feature-card .card-title i {
            color: #facc15;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #0f172a;
            color: #fff;
            padding: 0.5rem 1.2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            border: none;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .btn:hover {
            background: #1e40af;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #facc15;
            color: #0f172a;
        }
        .btn-outline:hover {
            background: #facc15;
            color: #0f172a;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.2rem 0;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #facc15;
        }
        .search-form button {
            padding: 0.7rem 1.6rem;
            border: none;
            background: #0f172a;
            color: #fff;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #1e40af;
        }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        @media(max-width:600px) {
            .user-feedback {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            border: 1px solid #eef2f6;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card form input,
        .feedback-card form textarea,
        .feedback-card form select {
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.2s;
            font-family: inherit;
        }
        .feedback-card form input:focus,
        .feedback-card form textarea:focus,
        .feedback-card form select:focus {
            border-color: #facc15;
        }
        .feedback-card form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card form .star-input {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #facc15;
            cursor: pointer;
        }
        .feedback-card form .star-input i {
            transition: transform 0.15s;
        }
        .feedback-card form .star-input i:hover {
            transform: scale(1.2);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #0f172a;
            color: #facc15;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #f1f5f9;
        }
        .data-table tr:hover td {
            background: #f8fafc;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            background: #f1f5f9;
            padding: 0.7rem 1rem;
            font-size: 0.8rem;
            color: #475569;
            text-align: center;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.2rem;
            margin-top: 2.5rem;
            border-top: 4px solid #facc15;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 1.8rem;
        }
        .site-footer h4 {
            color: #facc15;
            font-weight: 700;
            margin-bottom: 0.8rem;
            font-size: 1rem;
        }
        .site-footer a {
            color: #94a3b8;
            font-size: 0.85rem;
        }
        .site-footer a:hover {
            color: #facc15;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 1.2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #64748b;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.8rem;
            background: #1e293b;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #cbd5e1;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #facc15;
            color: #0f172a;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .navbar {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e293b;
                padding: 0.8rem;
                border-radius: 12px;
                margin-top: 0.5rem;
                gap: 0.2rem;
            }
            .navbar.open {
                display: flex;
            }
            .navbar a {
                padding: 0.6rem 1rem;
                width: 100%;
                border-radius: 8px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .stat-box {
                flex-direction: column;
                gap: 1rem;
            }
            .site-header .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 0.9rem;
            }
            .search-form input {
                min-width: 120px;
            }
        }
        .text-muted {
            color: #64748b;
            font-size: 0.85rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .gap-1 {
            gap: 1rem;
        }
        .last-updated {
            display: inline-block;
            background: #e2e8f0;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.75rem;
            color: #475569;
            font-weight: 500;
        }
        .nav-toggle:focus+.navbar,
        .navbar:hover {
            ;
        }
        .insight-badge {
            background: #facc15;
            color: #0f172a;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            display: inline-block;
        }
        .quote-block {
            background: #f1f5f9;
            padding: 1.2rem 1.8rem;
            border-radius: 14px;
            border-left: 6px solid #facc15;
            margin: 1.5rem 0;
            font-style: italic;
            color: #1e293b;
        }
        .quote-block cite {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-weight: 600;
            color: #0f172a;
        }