*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #0b0e14;
            color: #e8edf5;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: #f0b849;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.8rem 0;
        }
        li {
            margin-bottom: 0.3rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f5f0e8;
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 2px solid #f0b849;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 4px solid #f0b849;
            padding-left: 0.7rem;
            margin-top: 2.2rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #f0d9a0;
        }
        h4 {
            font-size: 1.15rem;
            color: #d4c4a8;
        }
        p {
            margin-bottom: 1rem;
            color: #dce1ea;
        }
        strong {
            color: #f5e6c8;
            font-weight: 600;
        }
        blockquote {
            border-left: 4px solid #f0b849;
            background: #1a1f2a;
            padding: 0.8rem 1.2rem;
            margin: 1.2rem 0;
            border-radius: 0 8px 8px 0;
            color: #c8d0dc;
            font-style: italic;
        }
        hr {
            border: none;
            border-top: 1px solid #2d3545;
            margin: 2rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #131a24;
            border-bottom: 2px solid #2a3a4a;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #f0b849;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: linear-gradient(135deg, #f0b849, #d4942a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #8a9bb5;
            color: #8a9bb5;
            letter-spacing: 2px;
            font-weight: 400;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #c8d0dc;
            padding: 0.4rem 0.8rem;
            border-radius: 4px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #1f2a38;
            color: #f0b849;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f0b849;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            transition: color 0.2s;
        }
        .hamburger:hover {
            color: #ffd966;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.2rem 0;
            font-size: 0.85rem;
            color: #8a9bb5;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: #8a9bb5;
        }
        .breadcrumb a:hover {
            color: #f0b849;
        }
        .breadcrumb span {
            color: #5a6a7a;
        }
        .breadcrumb .current {
            color: #f0b849;
        }
        .search-form {
            display: flex;
            gap: 0.4rem;
            margin: 1.2rem 0 1.8rem 0;
            max-width: 600px;
            background: #1a212e;
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            border-radius: 40px;
            border: 1px solid #2d3a4a;
            transition: border-color 0.3s;
        }
        .search-form:focus-within {
            border-color: #f0b849;
        }
        .search-form input {
            flex: 1;
            background: transparent;
            border: none;
            color: #e8edf5;
            padding: 0.6rem 0;
            font-size: 0.95rem;
            outline: none;
        }
        .search-form input::placeholder {
            color: #5a6a7a;
        }
        .search-form button {
            background: #f0b849;
            border: none;
            color: #0b0e14;
            padding: 0.5rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 0.9rem;
        }
        .search-form button:hover {
            background: #ffd966;
            transform: scale(1.02);
        }
        .content-area {
            background: #11171f;
            border-radius: 12px;
            padding: 1.8rem 2rem;
            margin: 1rem 0 2rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .featured-image {
            margin: 1.4rem 0 2rem 0;
            border-radius: 10px;
            overflow: hidden;
            background: #1a212e;
            padding: 0.5rem;
        }
        .featured-image img {
            border-radius: 6px;
            width: 100%;
            max-height: 520px;
            object-fit: cover;
        }
        .featured-image figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: #8a9bb5;
            padding: 0.5rem 0 0.2rem 0;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
            background: #0d131c;
            border-radius: 8px;
            overflow: hidden;
        }
        .data-table th {
            background: #1a2535;
            color: #f0b849;
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #1e2a3a;
        }
        .data-table tr:hover td {
            background: #151e2b;
        }
        .user-feedback {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 2.5rem 0 1rem 0;
            padding-top: 1.5rem;
            border-top: 1px solid #2a3545;
        }
        .feedback-section {
            flex: 1 1 280px;
            background: #0d131c;
            padding: 1.2rem 1.5rem;
            border-radius: 10px;
            border: 1px solid #1e2a3a;
        }
        .feedback-section h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: #f0b849;
        }
        .feedback-section label {
            display: block;
            margin: 0.6rem 0 0.2rem 0;
            font-size: 0.9rem;
            color: #b0bccd;
        }
        .feedback-section input,
        .feedback-section textarea,
        .feedback-section select {
            width: 100%;
            padding: 0.5rem 0.8rem;
            background: #1a212e;
            border: 1px solid #2d3a4a;
            border-radius: 6px;
            color: #e8edf5;
            font-size: 0.9rem;
            transition: border-color 0.3s;
        }
        .feedback-section input:focus,
        .feedback-section textarea:focus {
            border-color: #f0b849;
            outline: none;
        }
        .feedback-section textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-section .btn {
            background: #f0b849;
            color: #0b0e14;
            border: none;
            padding: 0.5rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 0.6rem;
            transition: background 0.2s;
        }
        .feedback-section .btn:hover {
            background: #ffd966;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.5rem;
            color: #3a4a5a;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s;
            font-size: 1.6rem;
            color: #3a4a5a;
            cursor: pointer;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f0b849;
        }
        .site-footer {
            background: #0d121a;
            border-top: 2px solid #1e2a3a;
            padding: 2rem 1.2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: space-between;
        }
        .footer-col {
            flex: 1 1 200px;
        }
        .footer-col h4 {
            color: #f0b849;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-col a {
            display: block;
            padding: 0.2rem 0;
            font-size: 0.9rem;
            color: #8a9bb5;
        }
        .footer-col a:hover {
            color: #f0b849;
        }
        .friend-link {
            display: block;
            padding: 0.25rem 0;
            font-size: 0.9rem;
            color: #8a9bb5;
        }
        .friend-link:hover {
            color: #f0b849;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid #1a2535;
            font-size: 0.85rem;
            color: #5a6a7a;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #131a24;
                padding: 0.6rem 0 1rem 0;
                border-top: 1px solid #2a3a4a;
                margin-top: 0.4rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                width: 100%;
                border-radius: 0;
            }
            .header-inner {
                align-items: center;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .content-area {
                padding: 1rem 1rem;
            }
            .user-feedback {
                flex-direction: column;
                gap: 1.2rem;
            }
            .feedback-section {
                flex: 1 1 auto;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.4rem 0.6rem;
            }
            .search-form {
                max-width: 100%;
            }
            .footer-inner {
                flex-direction: column;
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .content-area {
                padding: 0.8rem 0.8rem;
            }
            .search-form input {
                font-size: 0.85rem;
            }
            .search-form button {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
        }
        .text-muted {
            color: #8a9bb5;
        }
        .mt-1 {
            margin-top: 0.8rem;
        }
        .mb-1 {
            margin-bottom: 0.8rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .badge {
            display: inline-block;
            background: #1f2a38;
            color: #f0b849;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #8a9bb5;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .toc {
            background: #0d131c;
            border: 1px solid #1e2a3a;
            border-radius: 8px;
            padding: 1rem 1.5rem;
            margin: 1.2rem 0 1.8rem 0;
        }
        .toc summary {
            font-size: 1.1rem;
            font-weight: 600;
            color: #f0b849;
            cursor: pointer;
            padding: 0.2rem 0;
        }
        .toc ol {
            margin-top: 0.6rem;
        }
        .toc a {
            color: #b0bccd;
        }
        .toc a:hover {
            color: #f0b849;
        }
        .highlight-box {
            background: #1a212e;
            border-left: 4px solid #f0b849;
            padding: 0.8rem 1.2rem;
            border-radius: 0 8px 8px 0;
            margin: 1rem 0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.2rem;
        }
        @media (max-width: 600px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        .emoji-lg {
            font-size: 1.4rem;
        }