*,
        *::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, sans-serif;
            background: #f5f7fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.6rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0f172a;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.4em;
        }
        h2 {
            font-size: 1.75rem;
            border-bottom: 3px solid #eab308;
            padding-bottom: 0.25em;
        }
        h3 {
            font-size: 1.35rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.1rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        header.site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #facc15;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            font-size: 2rem;
            color: #f97316;
        }
        .my-logo:hover {
            color: #fde047;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.75rem;
            color: #94a3b8;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        nav.main-nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        nav.main-nav a {
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: all 0.25s;
        }
        nav.main-nav a:hover {
            color: #facc15;
            border-bottom-color: #facc15;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #facc15;
            cursor: pointer;
            background: none;
            border: none;
            padding: 0.2rem 0.6rem;
        }
        .nav-overlay {
            display: none;
        }
        .breadcrumb {
            background: #e9edf5;
            padding: 0.6rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #64748b;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb .current {
            color: #475569;
            font-weight: 500;
        }
        main.content {
            padding: 2rem 0 3rem;
        }
        .featured-figure {
            margin: 1.8rem 0 2.2rem;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
            background: #fff;
        }
        .featured-figure img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
        }
        .featured-figure figcaption {
            padding: 0.8rem 1.4rem;
            background: #f1f5f9;
            font-size: 0.9rem;
            color: #475569;
            font-style: italic;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            background: #fff;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .data-table th {
            background: #1e3a5f;
            color: #fff;
            font-weight: 600;
            padding: 0.9rem 1.2rem;
            text-align: left;
        }
        .data-table td {
            padding: 0.8rem 1.2rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f8fafc;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.6rem;
            margin: 2rem 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            transition: transform 0.25s, box-shadow 0.3s;
            border: 1px solid #eef2f6;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
        }
        .card i {
            font-size: 2.2rem;
            color: #eab308;
            margin-bottom: 0.6rem;
        }
        .card h4 {
            margin-top: 0;
        }
        .form-section {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            margin: 2.4rem 0;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef2f6;
        }
        .form-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.4rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e293b;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fafcff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #eab308;
            box-shadow: 0 0 0 4px rgba(234, 179, 8, 0.12);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 0.75rem 2.2rem;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
            background: #eab308;
            color: #0f172a;
        }
        .btn:hover {
            background: #facc15;
            transform: scale(1.02);
            box-shadow: 0 8px 24px rgba(234, 179, 8, 0.35);
        }
        .btn-secondary {
            background: #1e3a5f;
            color: #fff;
        }
        .btn-secondary:hover {
            background: #2d4a74;
            box-shadow: 0 8px 24px rgba(30, 58, 95, 0.3);
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #cbd5e1;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #eab308;
        }
        .link-list {
            background: #f1f5f9;
            padding: 1.2rem 1.6rem;
            border-radius: 14px;
            margin: 1.8rem 0;
            border-left: 5px solid #eab308;
        }
        .link-list h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .link-list ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 1.8rem;
        }
        .link-list li a {
            font-weight: 500;
        }
        footer.site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.4rem 0 1.2rem;
            margin-top: 3rem;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 1.8rem;
        }
        footer h4 {
            color: #facc15;
            margin-top: 0;
        }
        footer a {
            color: #94a3b8;
        }
        footer a:hover {
            color: #facc15;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0;
            border-top: 1px solid #1e293b;
            margin-top: 1.2rem;
            font-size: 0.95rem;
        }
        friend-link a {
            margin: 0 0.8rem 0 0;
            display: inline-block;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid #1e293b;
            font-size: 0.9rem;
            color: #64748b;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav.main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f172a;
                padding: 1rem 0 1.4rem;
                gap: 0.4rem;
                border-top: 1px solid #1e293b;
                margin-top: 0.6rem;
            }
            nav.main-nav.open {
                display: flex;
            }
            nav.main-nav a {
                padding: 0.6rem 1rem;
                border-bottom: none;
                border-left: 3px solid transparent;
            }
            nav.main-nav a:hover {
                border-left-color: #facc15;
                border-bottom: none;
            }
            .nav-overlay {
                display: none;
            }
            .form-section {
                padding: 1.4rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.7rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .btn {
                padding: 0.6rem 1.4rem;
                font-size: 0.9rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
            footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .link-list ul {
                flex-direction: column;
                gap: 0.4rem;
            }
        }
        .text-muted {
            color: #64748b;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .badge {
            display: inline-block;
            background: #eab308;
            color: #0f172a;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        .highlight {
            background: #fef9c3;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
        }
        .divider {
            height: 2px;
            background: linear-gradient(90deg, #eab308, transparent);
            margin: 2rem 0;
        }