*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f4f7fb;
            color: #1e2a3a;
            line-height: 1.8;
            font-size: 16px;
            padding: 0 16px;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e65c00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 20px;
            padding: 20px 24px 32px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #eaeef3;
            margin-bottom: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-block;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f39c12;
            margin-right: 6px;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .navbar {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            display: block;
            padding: 8px 16px;
            border-radius: 30px;
            background: #f0f4fa;
            color: #1e2a3a;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.2s, transform 0.15s;
        }
        .nav-list li a:hover {
            background: #1e3c72;
            color: #fff;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .nav-list li a i {
            margin-right: 6px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e3c72;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e8edf4;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 12px;
            padding: 10px 0 18px;
            font-size: 0.85rem;
            color: #5e6f8d;
        }
        .breadcrumb a {
            color: #2a5298;
        }
        .breadcrumb a:hover {
            color: #e65c00;
        }
        .breadcrumb .separator {
            color: #b0c0d4;
        }
        .breadcrumb .current {
            color: #1e2a3a;
            font-weight: 600;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 36px;
            margin: 20px 0 30px;
        }
        .main-content {
            min-width: 0;
        }
        .main-content h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #0b1e33;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .main-content h1 i {
            color: #f39c12;
            margin-right: 10px;
        }
        .main-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #1e3c72;
            margin: 32px 0 12px;
            padding-bottom: 6px;
            border-bottom: 3px solid #eaeef3;
        }
        .main-content h2 i {
            color: #f39c12;
            margin-right: 8px;
        }
        .main-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #2a5298;
            margin: 24px 0 8px;
        }
        .main-content h3 i {
            margin-right: 6px;
            color: #f39c12;
        }
        .main-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #1e3c72;
            margin: 18px 0 6px;
        }
        .main-content p {
            margin-bottom: 16px;
            color: #2c3e50;
        }
        .main-content .highlight-box {
            background: #f0f7ff;
            border-left: 5px solid #f39c12;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .main-content .highlight-box strong {
            color: #1e3c72;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 20px 24px;
            color: #2c3e50;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .main-content .feature-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .main-content .feature-table th {
            background: #1e3c72;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
        }
        .main-content .feature-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #e8edf4;
        }
        .main-content .feature-table tr:hover td {
            background: #f5f9ff;
        }
        .sidebar {
            position: sticky;
            top: 24px;
            align-self: start;
        }
        .sidebar-card {
            background: #f8fafd;
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 24px;
            border: 1px solid #e8edf4;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1e3c72;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: #f39c12;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            display: block;
            padding: 6px 0;
            font-size: 0.9rem;
            border-bottom: 1px dashed #dce3ec;
            transition: padding-left 0.2s;
        }
        .sidebar-card ul li a:hover {
            padding-left: 8px;
            color: #e65c00;
            text-decoration: none;
        }
        .featured-image {
            margin: 24px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            background: #f0f4fa;
            font-size: 0.85rem;
            color: #4a5a72;
            text-align: center;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 20px 0;
            max-width: 600px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #dce3ec;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-form input:focus {
            border-color: #1e3c72;
        }
        .search-form button {
            padding: 12px 28px;
            background: #1e3c72;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
        }
        .search-form button:hover {
            background: #2a5298;
            transform: scale(1.02);
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 36px 0 20px;
            padding: 24px;
            background: #f8fafd;
            border-radius: 16px;
            border: 1px solid #e8edf4;
        }
        .comment-section,
        .rating-section {
            background: #fff;
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1e3c72;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-section h3 i,
        .rating-section h3 i {
            color: #f39c12;
        }
        .comment-section textarea,
        .comment-section input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce3ec;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.2s;
            margin-bottom: 12px;
        }
        .comment-section textarea:focus,
        .comment-section input:focus {
            border-color: #1e3c72;
        }
        .comment-section textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-section button,
        .rating-section button {
            padding: 10px 28px;
            background: #1e3c72;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-section button:hover,
        .rating-section button:hover {
            background: #2a5298;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
            margin: 12px 0 16px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d0d8e4;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f39c12;
        }
        .rating-value {
            font-size: 0.9rem;
            color: #5e6f8d;
            margin-top: 4px;
        }
        friend-link {
            display: block;
            padding: 20px 0 10px;
            border-top: 2px solid #eaeef3;
            margin-top: 24px;
        }
        friend-link::before {
            content: "🔗 Friendly Links";
            display: block;
            font-size: 1.2rem;
            font-weight: 700;
            color: #1e3c72;
            margin-bottom: 12px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 12px;
            background: #f0f4fa;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #1e3c72;
            color: #fff;
            text-decoration: none;
        }
        .site-footer {
            padding: 20px 0 8px;
            border-top: 2px solid #eaeef3;
            margin-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #5e6f8d;
        }
        .site-footer .copyright {
            font-weight: 500;
            color: #1e2a3a;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .sidebar-card {
                margin-bottom: 0;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 14px 24px;
                border-radius: 12px;
            }
            .site-header {
                flex-wrap: wrap;
                padding: 8px 0;
            }
            .my-logo {
                font-size: 1.25rem;
            }
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                border-radius: 12px;
                padding: 12px 0;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                margin-top: 8px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 10px 20px;
                border-radius: 0;
                background: transparent;
            }
            .nav-list li a:hover {
                background: #f0f4fa;
                color: #1e3c72;
                transform: none;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
            .main-content h1 {
                font-size: 1.6rem;
            }
            .main-content h2 {
                font-size: 1.3rem;
            }
            .main-content h3 {
                font-size: 1.1rem;
            }
            .interaction-area {
                grid-template-columns: 1fr;
                padding: 16px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .feature-table {
                font-size: 0.8rem;
            }
            .feature-table th,
            .feature-table td {
                padding: 8px 10px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 8px 10px 16px;
            }
            .my-logo {
                font-size: 1.05rem;
            }
            .main-content h1 {
                font-size: 1.35rem;
            }
            .main-content h2 {
                font-size: 1.1rem;
            }
            .main-content h3 {
                font-size: 1rem;
            }
            .main-content p,
            .main-content li {
                font-size: 0.92rem;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        .last-updated {
            display: inline-block;
            background: #eef3f9;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #4a5a72;
            margin-bottom: 12px;
        }
        .last-updated i {
            margin-right: 6px;
        }
        .text-muted {
            color: #5e6f8d;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .flex {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .gap-2 {
            gap: 12px;
        }
        .fw-700 {
            font-weight: 700;
        }
        html {
            scroll-behavior: smooth;
        }