*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #0b0e14;
            color: #e8edf2;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f5a623;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #ffc857;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f0f4fa;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-left: 5px solid #f5a623;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 2rem;
            margin-bottom: 0.7rem;
            color: #f5a623;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #cfd9e6;
        }
        p,
        .text-block {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: #141a24;
            border-bottom: 2px solid #2a3440;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background: rgba(20, 26, 36, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f5a623;
            letter-spacing: -0.03em;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #ffc857;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #e8edf2;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f5a623;
            color: #f5a623;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #f5a623;
            color: #0b0e14;
        }
        .navbar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
            align-items: center;
        }
        .navbar a {
            color: #c8d0dc;
            font-weight: 500;
            padding: 0.3rem 0.2rem;
            border-bottom: 2px solid transparent;
            font-size: 0.95rem;
        }
        .navbar a:hover {
            border-bottom-color: #f5a623;
            color: #f5a623;
            text-decoration: none;
        }
        .breadcrumb {
            background: #1a222e;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            color: #9aa8b9;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #f5a623;
        }
        .breadcrumb a {
            color: #b8c5d4;
        }
        .breadcrumb a:hover {
            color: #f5a623;
        }
        .hero {
            background: linear-gradient(135deg, #0e141f 0%, #1a2538 100%);
            padding: 2.8rem 0 2rem;
            text-align: center;
            border-bottom: 1px solid #2a3440;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 0.6rem;
        }
        .hero .tagline {
            font-size: 1.2rem;
            color: #f5a623;
            font-weight: 400;
        }
        .hero .meta-info {
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #9aa8b9;
        }
        .hero .meta-info i {
            margin-right: 0.3rem;
        }
        .search-section {
            background: #141a24;
            padding: 1.2rem 0;
            border-bottom: 1px solid #1f2937;
        }
        .search-form {
            display: flex;
            max-width: 560px;
            margin: 0 auto;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #2a3440;
            border-radius: 40px;
            background: #0b0e14;
            color: #e8edf2;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #f5a623;
        }
        .search-form button {
            padding: 0.7rem 1.6rem;
            background: #f5a623;
            border: none;
            border-radius: 40px;
            color: #0b0e14;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #ffc857;
            transform: scale(1.02);
        }
        .main-content {
            padding: 2.4rem 0 3rem;
            flex: 1;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.4rem;
        }
        .content-body {
            min-width: 0;
        }
        .sidebar {
            position: relative;
        }
        .sidebar-sticky {
            position: sticky;
            top: 100px;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #141a24;
            padding: 0.7rem 1.2rem;
            font-size: 0.85rem;
            color: #9aa8b9;
            border-top: 1px solid #1f2937;
        }
        .highlight-card {
            background: #1a222e;
            border-left: 4px solid #f5a623;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .highlight-card p:last-child {
            margin-bottom: 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin: 1.6rem 0;
        }
        .stat-item {
            background: #141a24;
            padding: 1rem 1.2rem;
            border-radius: 12px;
            text-align: center;
            border: 1px solid #1f2937;
        }
        .stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f5a623;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #9aa8b9;
            margin-top: 0.2rem;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
            background: #141a24;
            border-radius: 12px;
            overflow: hidden;
        }
        .data-table th,
        .data-table td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1f2937;
        }
        .data-table th {
            background: #1a222e;
            color: #f5a623;
            font-weight: 600;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #1f2a38;
        }
        .interaction-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #1f2937;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .form-card {
            background: #141a24;
            padding: 1.6rem;
            border-radius: 16px;
            border: 1px solid #1f2937;
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .form-card form {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #2a3440;
            border-radius: 10px;
            background: #0b0e14;
            color: #e8edf2;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            width: 100%;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            border-color: #f5a623;
        }
        .form-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .form-card button {
            padding: 0.7rem 1.6rem;
            background: #f5a623;
            border: none;
            border-radius: 40px;
            color: #0b0e14;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            align-self: flex-start;
        }
        .form-card button:hover {
            background: #ffc857;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            direction: rtl;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #3a4555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5a623;
        }
        .sidebar-box {
            background: #141a24;
            border-radius: 16px;
            padding: 1.6rem;
            border: 1px solid #1f2937;
            margin-bottom: 1.6rem;
        }
        .sidebar-box h3 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #f5a623;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar-box ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-box li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #1a222e;
        }
        .sidebar-box li:last-child {
            border-bottom: none;
        }
        .sidebar-box a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-box a i {
            color: #f5a623;
            width: 1.2rem;
        }
        .site-footer {
            background: #0c111a;
            border-top: 2px solid #1f2937;
            padding: 2.4rem 0 1.6rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 1.6rem;
        }
        .footer-grid h4 {
            color: #f5a623;
            font-size: 1rem;
            margin-bottom: 0.8rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid li {
            padding: 0.2rem 0;
        }
        .footer-grid a {
            color: #b8c5d4;
            font-size: 0.9rem;
        }
        .footer-grid a:hover {
            color: #f5a623;
        }
        .friend-link {
            display: block;
            background: #141a24;
            padding: 1rem 1.6rem;
            border-radius: 12px;
            border: 1px solid #1f2937;
            margin: 1.2rem 0 0.6rem;
        }
        .friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            background: #1a222e;
            border-radius: 20px;
            font-size: 0.85rem;
        }
        .friend-link a:hover {
            background: #f5a623;
            color: #0b0e14;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid #1a222e;
            font-size: 0.85rem;
            color: #6d7b8a;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .sidebar-sticky {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .navbar {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #141a24;
                padding: 1rem 0;
                border-top: 1px solid #1f2937;
                margin-top: 0.6rem;
            }
            .navbar.open {
                display: flex;
            }
            .navbar a {
                padding: 0.5rem 1rem;
                border-bottom: 1px solid #1a222e;
                width: 100%;
            }
            .navbar a:last-child {
                border-bottom: none;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.6rem;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 15px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .text-accent {
            color: #f5a623;
        }
        .text-muted {
            color: #9aa8b9;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0e14;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a3440;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3e4b5a;
        }
        @media print {
            .site-header,
            .search-section,
            .breadcrumb,
            .sidebar,
            .interaction-section,
            .nav-toggle {
                display: none !important;
            }
            .content-grid {
                display: block;
            }
            body {
                background: #fff;
                color: #222;
            }
            a {
                color: #0055aa;
            }
            h1,
            h2,
            h3,
            h4 {
                color: #111;
            }
            .highlight-card {
                background: #f5f5f5;
                border-left-color: #f5a623;
            }
            .stat-item,
            .data-table,
            .form-card,
            .sidebar-box {
                background: #f9f9f9;
                border-color: #ddd;
            }
            .data-table th {
                background: #eee;
            }
        }