*,
        *::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, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f7f4;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0056b3;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #003a73;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: #0d0d0d;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #e0dcd5;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 500;
            color: #2a2a2a;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #0f1a2e;
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .my-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, #f9d976, #f39f86);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f9d976;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            font-size: 0.85rem;
            -webkit-text-fill-color: #bbb;
            margin-left: 0.3rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .primary-nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .primary-nav a {
            color: #e0e4ea;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .primary-nav a:hover {
            color: #fff;
            border-bottom-color: #f9d976;
            text-decoration: none;
        }
        .primary-nav a.active {
            color: #fff;
            border-bottom-color: #f9d976;
        }
        .breadcrumb {
            background: #eceae5;
            padding: 0.5rem 0;
            font-size: 0.82rem;
            color: #555;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #999;
        }
        .breadcrumb a {
            color: #0056b3;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #333;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #0f1a2e 0%, #1b2a44 100%);
            color: #fff;
            padding: 3rem 0 2.8rem;
            margin-bottom: 2rem;
            position: relative;
        }
        .hero h1 {
            color: #fff;
            font-size: 2.6rem;
            margin-bottom: 0.6rem;
            border: none;
        }
        .hero .subhead {
            font-size: 1.15rem;
            color: #cbd5e1;
            max-width: 720px;
            margin-bottom: 1.2rem;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            font-size: 0.9rem;
            color: #aab8cc;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.2rem;
            margin-top: 0.8rem;
        }
        .hero-meta i {
            margin-right: 0.4rem;
            color: #f9d976;
        }
        .search-section {
            background: #fff;
            border-radius: 12px;
            padding: 1.6rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 2.4rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-section h3 {
            margin: 0;
            font-size: 1.1rem;
            color: #0f1a2e;
            border: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
            flex: 1;
            min-width: 200px;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.6rem 1rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #0056b3;
            box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
        }
        .search-form button {
            background: #0f1a2e;
            color: #fff;
            border: none;
            padding: 0.6rem 1.4rem;
            border-radius: 6px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #1b2a44;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.4rem;
            margin-bottom: 3rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 10px;
            padding: 1.4rem 1.6rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            margin-bottom: 1.4rem;
        }
        .sidebar-card h4 {
            margin-top: 0;
            font-size: 1rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f5f3f0;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .sidebar-card a i {
            color: #f39f86;
            font-size: 0.75rem;
        }
        .feature-image {
            border-radius: 12px;
            overflow: hidden;
            margin: 1.6rem 0 2rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            background: #eceae5;
        }
        .feature-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .feature-image figcaption {
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #666;
            background: #fff;
            border-top: 1px solid #eceae5;
        }
        .inline-link {
            font-weight: 500;
            padding: 0.05rem 0.15rem;
            border-radius: 2px;
        }
        .inline-link:hover {
            background: #fff3d6;
        }
        .interaction-section {
            background: #fff;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
            margin-top: 2.4rem;
            margin-bottom: 2rem;
        }
        .interaction-section h3 {
            margin-top: 0;
            border: none;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #d5d0c8;
            border-radius: 6px;
            font-size: 0.95rem;
            font-family: inherit;
            margin-bottom: 0.8rem;
            resize: vertical;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #0056b3;
            box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.08);
        }
        .comment-form .row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .comment-form .row input {
            flex: 1;
            min-width: 140px;
        }
        .comment-form button {
            background: #0f1a2e;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 6px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-form button:hover {
            background: #1b2a44;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.15rem;
            margin-bottom: 0.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .site-footer {
            background: #0f1a2e;
            color: #ccd5e0;
            padding: 2.8rem 0 1.8rem;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #fff;
            margin-top: 0;
            border: none;
            font-size: 1rem;
        }
        .footer-inner a {
            color: #b0c4de;
        }
        .footer-inner a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            margin-top: 0.6rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.3rem;
            font-size: 0.9rem;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.4rem;
            margin-top: 0.6rem;
            font-size: 0.82rem;
            text-align: center;
            color: #8899aa;
        }
        @media (max-width: 820px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 640px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding-top: 0.8rem;
                gap: 0.4rem;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                margin-top: 0.6rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                width: 100%;
                padding: 0.5rem 0;
            }
            .header-inner {
                align-items: center;
            }
            .hero {
                padding: 2rem 0 1.8rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .search-section {
                flex-direction: column;
                padding: 1.2rem;
            }
            .search-form {
                width: 100%;
            }
            .interaction-section {
                padding: 1.2rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.4rem;
            }
            .comment-form .row {
                flex-direction: column;
            }
            .star-rating label {
                font-size: 1.4rem;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 400px) {
            .container {
                padding: 0 0.8rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo span {
                font-size: 0.7rem;
            }
        }
        .text-muted {
            color: #777;
            font-size: 0.9rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            align-items: center;
        }
        .tag {
            background: #eceae5;
            padding: 0.15rem 0.6rem;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #555;
        }
        .highlight-box {
            background: #f1efe9;
            border-left: 4px solid #f39f86;
            padding: 1rem 1.4rem;
            border-radius: 0 8px 8px 0;
            margin: 1.4rem 0;
        }
        .highlight-box strong {
            color: #0f1a2e;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.92rem;
        }
        .data-table th,
        .data-table td {
            padding: 0.55rem 0.8rem;
            border: 1px solid #ddd;
            text-align: left;
        }
        .data-table th {
            background: #0f1a2e;
            color: #fff;
            font-weight: 500;
        }
        .data-table tr:nth-child(even) {
            background: #f9f8f5;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 1rem;
            border: 1px solid #0f1a2e;
            border-radius: 6px;
            color: #0f1a2e;
            font-size: 0.85rem;
            transition: background 0.2s, color 0.2s;
        }
        .btn-outline:hover {
            background: #0f1a2e;
            color: #fff;
            text-decoration: none;
        }
        .btn-outline i {
            font-size: 0.8rem;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 0;
            background: #0f1a2e;
            color: #fff;
            padding: 0.5rem 1rem;
            z-index: 200;
        }
        .skip-link:focus {
            top: 0;
        }