*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #2b3a67;
            --primary-light: #3e5a8a;
            --secondary: #e8c37d;
            --accent: #d45d5d;
            --bg: #f9f7f2;
            --bg-card: #ffffff;
            --text: #1e1e24;
            --text-light: #4a4a55;
            --border: #dad4c8;
            --radius: 16px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            max-width: 1120px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--secondary), #f0d9a0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: var(--secondary);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            color: rgba(255, 255, 255, 0.85);
            padding: 8px 14px;
            border-radius: 10px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            text-decoration: none;
        }
        nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.06);
            padding: 8px 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 1120px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb span {
            margin: 0 6px;
            opacity: 0.5;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, #1a2648 100%);
            color: #fff;
            padding: 60px 20px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 195, 125, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.2;
            max-width: 860px;
            margin: 0 auto 16px;
            position: relative;
            z-index: 1;
        }
        .hero h1 i {
            color: var(--secondary);
        }
        .hero p {
            font-size: 1.15rem;
            opacity: 0.9;
            max-width: 680px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }
        .hero .last-updated {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            position: relative;
            z-index: 1;
        }
        .hero .last-updated i {
            margin-right: 6px;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 860px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--primary);
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 4px solid var(--secondary);
            letter-spacing: -0.3px;
        }
        .article-body h2 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-light);
            margin: 32px 0 12px;
        }
        .article-body h3 i {
            margin-right: 8px;
            font-size: 1.2rem;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 8px;
            padding-left: 12px;
            border-left: 4px solid var(--secondary);
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.02rem;
            color: var(--text-light);
        }
        .article-body p strong {
            color: var(--text);
            font-weight: 600;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 24px;
            color: var(--text-light);
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .feature-box {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 30px;
            margin: 30px 0;
            box-shadow: var(--shadow);
            border-left: 6px solid var(--secondary);
        }
        .article-body .feature-box h4 {
            border-left: none;
            padding-left: 0;
            margin-top: 0;
        }
        .article-body .stat-highlight {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 40px;
            font-size: 0.9rem;
        }
        .article-body .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
            display: inline-block;
            margin-right: 6px;
        }
        .article-body .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            font-size: 0.95rem;
        }
        .article-body table th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .article-body table td {
            padding: 11px 16px;
            border-bottom: 1px solid var(--border);
            color: var(--text-light);
        }
        .article-body table tr:nth-child(even) {
            background: #f6f4ee;
        }
        .article-body .img-caption {
            font-size: 0.88rem;
            color: var(--text-light);
            text-align: center;
            margin-top: 8px;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card li a {
            display: block;
            padding: 8px 12px;
            border-radius: 10px;
            background: #f6f4ee;
            font-size: 0.92rem;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .sidebar-card li a:hover {
            background: var(--secondary);
            color: var(--primary);
            text-decoration: none;
            border-left-color: var(--primary);
        }
        .sidebar-card li a i {
            margin-right: 8px;
            color: var(--accent);
            font-size: 0.85rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 20px 0 30px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 1rem;
            background: var(--bg-card);
            transition: var(--transition);
            outline: none;
        }
        .search-form input:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(43, 58, 103, 0.1);
        }
        .search-form button {
            padding: 12px 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .interaction-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 30px;
            margin: 40px 0;
            box-shadow: var(--shadow);
        }
        .interaction-section h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        @media (max-width: 600px) {
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 0.92rem;
            color: var(--text);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 0.95rem;
            background: var(--bg);
            transition: var(--transition);
            outline: none;
            font-family: var(--font);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(43, 58, 103, 0.08);
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .btn-submit {
            padding: 12px 28px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-submit:hover {
            background: #c14a4a;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            transition: var(--transition);
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        friend-link {
            display: block;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 30px;
            margin: 40px 0 20px;
            box-shadow: var(--shadow);
        }
        friend-link::before {
            content: '🔗 Friend Links';
            display: block;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        friend-link a {
            display: inline-block;
            padding: 6px 16px;
            margin: 4px 6px 4px 0;
            background: #f6f4ee;
            border-radius: 40px;
            font-size: 0.92rem;
            transition: var(--transition);
        }
        friend-link a:hover {
            background: var(--secondary);
            text-decoration: none;
        }
        footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 32px 20px;
            text-align: center;
            font-size: 0.92rem;
        }
        footer .footer-inner {
            max-width: 1120px;
            margin: 0 auto;
        }
        footer a {
            color: var(--secondary);
        }
        footer a:hover {
            color: #fff;
        }
        footer .copyright {
            margin-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            font-size: 0.85rem;
            opacity: 0.7;
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 12px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                width: 100%;
                padding: 12px 16px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary);
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            transition: var(--transition);
            opacity: 0;
            pointer-events: none;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top:hover {
            background: var(--primary-light);
            transform: translateY(-4px);
        }
        @media print {
            header,
            .sidebar,
            .search-form,
            .interaction-section,
            .scroll-top,
            footer {
                display: none !important;
            }
            .hero {
                background: #fff !important;
                color: #000 !important;
                padding: 20px !important;
            }
            .hero h1 {
                color: #000 !important;
            }
            body {
                font-size: 12pt;
            }
            .content-grid {
                display: block !important;
            }
            .article-body a {
                color: #000 !important;
                text-decoration: underline !important;
            }
        }