* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #0b0c10;
            color: #e0e0e0;
            line-height: 1.7;
            font-size: 16px;
            padding: 0 16px;
        }
        a {
            color: #f5c518;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ffdd59;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #1a1d23;
            padding: 20px 24px 40px;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.8);
            border-radius: 12px;
        }
        .header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #f5c518;
            position: relative;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: 4px;
            text-transform: uppercase;
            background: linear-gradient(135deg, #f5c518, #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 20px rgba(245, 197, 24, 0.3);
            font-family: 'Impact', 'Arial Black', sans-serif;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #f5c518;
            background: none;
            border: none;
            padding: 4px 8px;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
        }
        .nav-menu a {
            color: #ccc;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-menu a:hover {
            color: #f5c518;
            border-bottom-color: #f5c518;
            text-decoration: none;
        }
        .nav-menu .active {
            color: #f5c518;
            border-bottom-color: #f5c518;
        }
        .breadcrumb {
            padding: 12px 0 8px;
            font-size: 0.85rem;
            color: #999;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #f5c518;
        }
        .breadcrumb span {
            color: #f5c518;
        }
        .search-box {
            display: flex;
            gap: 6px;
            margin: 8px 0 16px;
            max-width: 480px;
        }
        .search-box input {
            flex: 1;
            padding: 10px 16px;
            border: 1px solid #444;
            border-radius: 30px;
            background: #2a2d35;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: 0.3s;
        }
        .search-box input:focus {
            border-color: #f5c518;
            box-shadow: 0 0 12px rgba(245, 197, 24, 0.15);
        }
        .search-box button {
            padding: 10px 20px;
            border: none;
            border-radius: 30px;
            background: #f5c518;
            color: #0b0c10;
            font-weight: 700;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .search-box button:hover {
            background: #ffdd59;
            transform: scale(1.02);
        }
        h1 {
            font-size: 2.8rem;
            color: #f5c518;
            margin: 24px 0 12px;
            line-height: 1.2;
            font-weight: 900;
            letter-spacing: 1px;
            text-shadow: 0 2px 12px rgba(245, 197, 24, 0.2);
        }
        h2 {
            font-size: 1.9rem;
            color: #f5c518;
            margin: 40px 0 14px 0;
            border-bottom: 1px solid #333;
            padding-bottom: 8px;
            font-weight: 700;
        }
        h3 {
            font-size: 1.4rem;
            color: #ffd966;
            margin: 28px 0 10px 0;
            font-weight: 600;
        }
        h4 {
            font-size: 1.15rem;
            color: #e0b84c;
            margin: 20px 0 8px 0;
            font-weight: 600;
        }
        p {
            margin: 14px 0;
            text-align: justify;
            word-spacing: 0.5px;
        }
        .highlight {
            background: rgba(245, 197, 24, 0.08);
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
            color: #f5c518;
        }
        .feature-img {
            width: 100%;
            max-width: 800px;
            border-radius: 16px;
            margin: 24px 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
            border: 1px solid #333;
            display: block;
        }
        .img-caption {
            font-size: 0.85rem;
            color: #999;
            text-align: center;
            margin-top: -16px;
            margin-bottom: 24px;
            font-style: italic;
        }
        .insight-box {
            background: #23262e;
            border-left: 6px solid #f5c518;
            padding: 18px 22px;
            margin: 24px 0;
            border-radius: 0 12px 12px 0;
        }
        .insight-box strong {
            color: #f5c518;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #23262e;
            padding: 18px 12px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid #333;
            transition: 0.3s;
        }
        .stat-card:hover {
            border-color: #f5c518;
            transform: translateY(-4px);
        }
        .stat-card i {
            font-size: 2rem;
            color: #f5c518;
            margin-bottom: 8px;
        }
        .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
        }
        .stat-card .label {
            color: #aaa;
            font-size: 0.85rem;
        }
        .feedback-section {
            background: #23262e;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 40px 0 20px;
            border: 1px solid #333;
        }
        .feedback-section h3 {
            margin-top: 0;
            color: #f5c518;
        }
        .form-group {
            margin: 16px 0;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            color: #ddd;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid #444;
            border-radius: 10px;
            background: #2a2d35;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #f5c518;
        }
        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .form-row .form-group {
            flex: 1;
            min-width: 140px;
        }
        .btn {
            padding: 10px 28px;
            border: none;
            border-radius: 30px;
            background: #f5c518;
            color: #0b0c10;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .btn:hover {
            background: #ffdd59;
            transform: scale(1.02);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #f5c518;
            color: #f5c518;
        }
        .btn-outline:hover {
            background: #f5c518;
            color: #0b0c10;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #555;
            cursor: pointer;
        }
        .rating-stars i {
            transition: 0.2s;
        }
        .rating-stars i.active,
        .rating-stars i:hover {
            color: #f5c518;
        }
        friend-link {
            display: block;
            padding: 20px 0 8px;
            border-top: 1px solid #333;
            margin-top: 32px;
            font-size: 0.9rem;
            color: #aaa;
        }
        friend-link a {
            color: #f5c518;
            margin: 0 8px 0 4px;
        }
        friend-link a:hover {
            color: #ffdd59;
        }
        .footer-copy {
            text-align: center;
            padding: 20px 0 8px;
            font-size: 0.85rem;
            color: #888;
            border-top: 1px solid #2a2d35;
            margin-top: 20px;
        }
        .footer-copy strong {
            color: #ccc;
        }
        .toc {
            background: #23262e;
            border-radius: 12px;
            padding: 18px 24px;
            margin: 24px 0 32px;
            border: 1px solid #333;
        }
        .toc h3 {
            margin: 0 0 10px 0;
            color: #f5c518;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            columns: 2 240px;
            column-gap: 32px;
        }
        .toc li {
            padding: 4px 0;
        }
        .toc li a {
            color: #ccc;
        }
        .toc li a:hover {
            color: #f5c518;
        }
        .toc li::before {
            content: "🦇 ";
            color: #f5c518;
        }
        @media (max-width: 768px) {
            .container {
                padding: 12px 14px 30px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.6rem;
                letter-spacing: 2px;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 12px 0 4px;
                gap: 8px;
                background: #1a1d23;
                border-top: 1px solid #333;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 8px 0;
                border-bottom: 1px solid #2a2d35;
            }
            .stat-grid {
                grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
            }
            .feedback-section {
                padding: 16px 14px;
            }
            .form-row {
                flex-direction: column;
                gap: 0;
            }
            .toc ul {
                columns: 1;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .search-box {
                max-width: 100%;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 8px 10px 24px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .stat-card .num {
                font-size: 1.3rem;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .last-updated {
            font-size: 0.8rem;
            color: #777;
            text-align: right;
            margin-top: 4px;
            border-top: 1px solid #2a2d35;
            padding-top: 12px;
        }
        .last-updated i {
            margin-right: 4px;
        }
        .inline-link-list {
            background: #23262e;
            border-radius: 12px;
            padding: 16px 20px;
            margin: 20px 0;
            border: 1px solid #333;
        }
        .inline-link-list a {
            display: inline-block;
            margin: 4px 8px 4px 0;
        }
        .inline-link-list a::after {
            content: " ·";
            color: #555;
        }
        .inline-link-list a:last-child::after {
            content: "";
        }