*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #0b0e14;
            color: #e8edf5;
            line-height: 1.75;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #6ec8ff;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffcc00;
            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: 1.3;
            color: #f0f4ff;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
            border-left: 5px solid #ffcc00;
            padding-left: 1.2rem;
        }
        h2 {
            font-size: 2rem;
            border-bottom: 2px solid #2a3548;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.6rem;
            color: #b8d4ff;
        }
        h4 {
            font-size: 1.25rem;
            color: #9bb9e0;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #131a26;
            border-bottom: 2px solid #2a3548;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ffcc00, #ff8800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            background: #ffcc00;
            color: #0b0e14;
            padding: 6px 8px;
            border-radius: 8px;
            font-size: 1.2rem;
            -webkit-text-fill-color: #0b0e14;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #8899bb;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .my-logo:hover {
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 4px;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            display: block;
            padding: 8px 14px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: #c8d6e8;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: #2a3548;
            color: #ffcc00;
            text-decoration: none;
        }
        .nav-list li a.active {
            background: #ffcc00;
            color: #0b0e14;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #3a4a5e;
            color: #e8edf5;
            font-size: 1.5rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #2a3548;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #10171f;
            padding: 10px 20px;
            border-bottom: 1px solid #1f2a36;
            font-size: 0.85rem;
            color: #8899bb;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0 auto;
            max-width: 1200px;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 8px;
            color: #5a6a7e;
        }
        .breadcrumb a {
            color: #6ec8ff;
        }
        .breadcrumb .current {
            color: #ffcc00;
        }
        .search-section {
            background: #10171f;
            padding: 30px 20px;
            text-align: center;
            border-bottom: 1px solid #1f2a36;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #2a3548;
            border-radius: 50px;
            background: #1a2433;
            color: #e8edf5;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #ffcc00;
        }
        .search-form button {
            padding: 14px 32px;
            background: #ffcc00;
            color: #0b0e14;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #ffaa00;
            transform: scale(1.02);
        }
        main {
            flex: 1;
            padding: 30px 20px 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .article-body {
            background: #111a24;
            border-radius: 20px;
            padding: 30px 30px 40px;
            border: 1px solid #1f2a36;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }
        .article-body h2 {
            margin-top: 2.2rem;
        }
        .article-body h3 {
            margin-top: 1.8rem;
        }
        .article-body h4 {
            margin-top: 1.4rem;
        }
        .featured-image {
            margin: 25px 0 30px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
        }
        .featured-image figcaption {
            background: #1a2433;
            padding: 12px 18px;
            font-size: 0.85rem;
            color: #8899bb;
            border-top: 1px solid #2a3548;
        }
        .highlight-box {
            background: #1a2a3a;
            border-left: 4px solid #ffcc00;
            padding: 18px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #ffcc00;
        }
        .stat-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: #0d1620;
            border-radius: 12px;
            overflow: hidden;
        }
        .stat-table th {
            background: #1f2a36;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
            color: #ffcc00;
        }
        .stat-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #1f2a36;
        }
        .stat-table tr:last-child td {
            border-bottom: none;
        }
        .stat-table tr:hover td {
            background: #1a2a3a;
        }
        .tip-card {
            background: #0f1a26;
            border: 1px solid #2a4a6a;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 20px 0;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .tip-card .tip-icon {
            font-size: 2rem;
            color: #ffcc00;
            flex-shrink: 0;
        }
        .insight-quote {
            background: #13202e;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 28px 0;
            border: 1px solid #2a4a6a;
            font-style: italic;
            position: relative;
        }
        .insight-quote::before {
            content: "“";
            font-size: 4rem;
            color: #ffcc00;
            opacity: 0.3;
            position: absolute;
            top: -8px;
            left: 12px;
            font-family: Georgia, serif;
        }
        .insight-quote .attribution {
            margin-top: 12px;
            font-style: normal;
            font-weight: 600;
            color: #ffcc00;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: #111a24;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid #1f2a36;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            color: #ffcc00;
            border-bottom: 1px solid #2a3548;
            padding-bottom: 10px;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
        }
        .sidebar-link-list li {
            padding: 8px 0;
            border-bottom: 1px solid #1a2433;
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #b8d4ff;
        }
        .sidebar-link-list a:hover {
            color: #ffcc00;
        }
        .sidebar-link-list a i {
            width: 20px;
            color: #ffcc00;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 2px solid #2a3548;
        }
        .interaction-card {
            background: #0f1823;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid #1f2a36;
        }
        .interaction-card h3 {
            margin-top: 0;
            color: #ffcc00;
            font-size: 1.3rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 16px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #3a4a5e;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffcc00;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .interaction-card input,
        .interaction-card textarea {
            padding: 12px 16px;
            border: 2px solid #2a3548;
            border-radius: 10px;
            background: #1a2433;
            color: #e8edf5;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
            font-family: inherit;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus {
            border-color: #ffcc00;
        }
        .interaction-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .interaction-card button {
            padding: 12px 24px;
            background: #ffcc00;
            color: #0b0e14;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.1s;
        }
        .interaction-card button:hover {
            background: #ffaa00;
            transform: scale(1.01);
        }
        .comment-list {
            margin-top: 16px;
            max-height: 300px;
            overflow-y: auto;
        }
        .comment-item {
            background: #0d1620;
            padding: 12px 16px;
            border-radius: 10px;
            margin-bottom: 10px;
            border-left: 3px solid #ffcc00;
        }
        .comment-item .c-name {
            font-weight: 700;
            color: #ffcc00;
            font-size: 0.9rem;
        }
        .comment-item .c-text {
            font-size: 0.95rem;
            color: #c8d6e8;
            margin-top: 4px;
        }
        .comment-item .c-time {
            font-size: 0.75rem;
            color: #5a6a7e;
        }
        .friend-links-section {
            background: #0c131e;
            border-top: 2px solid #1f2a36;
            padding: 30px 20px;
        }
        .friend-links-section .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        .friend-links-section h3 {
            margin-top: 0;
            color: #ffcc00;
            font-size: 1.2rem;
        }
        friend-link {
            display: inline-flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
        }
        friend-link a {
            background: #1a2433;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            color: #b8d4ff;
            border: 1px solid #2a3548;
            transition: background 0.2s, color 0.2s, border-color 0.2s;
        }
        friend-link a:hover {
            background: #ffcc00;
            color: #0b0e14;
            border-color: #ffcc00;
            text-decoration: none;
        }
        footer {
            background: #080c14;
            padding: 30px 20px 20px;
            border-top: 1px solid #1a2433;
            text-align: center;
            color: #5a6a7e;
            font-size: 0.9rem;
        }
        footer .copyright {
            margin-top: 8px;
            color: #3a4a5e;
            font-size: 0.8rem;
        }
        footer .copyright strong {
            color: #8899bb;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                background: #131a26;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 12px 20px;
                border-bottom: 2px solid #2a3548;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
                gap: 2px;
            }
            .nav-list li a {
                padding: 12px 16px;
                font-size: 1rem;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .nav-wrapper {
                position: relative;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .article-body {
                padding: 20px 16px;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 0.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .search-form {
                flex-direction: column;
                align-items: stretch;
            }
            .search-form input[type="text"] {
                min-width: unset;
                border-radius: 30px;
            }
            .search-form button {
                border-radius: 30px;
                justify-content: center;
            }
            .stat-table {
                font-size: 0.85rem;
            }
            .stat-table th,
            .stat-table td {
                padding: 8px 10px;
            }
            .tip-card {
                flex-direction: column;
                gap: 8px;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 8px 16px;
            }
            .breadcrumb ol {
                gap: 4px;
            }
            .interaction-card {
                padding: 18px;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .article-body {
                padding: 16px 12px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .sidebar-card {
                padding: 16px;
            }
            .highlight-box {
                padding: 14px 16px;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0e14;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a3548;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3a4a5e;
        }
        .last-updated {
            display: inline-block;
            background: #1a2433;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: #8899bb;
            margin-bottom: 20px;
            border: 1px solid #2a3548;
        }
        .last-updated i {
            color: #ffcc00;
            margin-right: 6px;
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }
        @media print {
            header,
            .search-section,
            .breadcrumb,
            .sidebar,
            .interaction-area,
            .friend-links-section,
            footer {
                display: none !important;
            }
            body {
                background: #fff;
                color: #111;
            }
            .article-body {
                border: none;
                box-shadow: none;
                background: #fff;
                padding: 0;
            }
            h1,
            h2,
            h3,
            h4 {
                color: #111;
            }
            a {
                color: #0055aa;
            }
        }