*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0b0e14;
            color: #e4e8ef;
            line-height: 1.75;
            font-size: 16px;
            font-weight: 400;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #7bb8ff;
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #b6d8ff;
            text-decoration: underline;
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid #7bb8ff;
            outline-offset: 2px;
            border-radius: 2px;
        }
        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: 1.25;
            color: #f0f4fc;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #2a3548;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #d6e2ff;
        }
        h4 {
            font-size: 1.15rem;
            color: #b8c8e8;
        }
        p {
            margin-bottom: 1.1rem;
        }
        strong {
            color: #f0f4fc;
            font-weight: 600;
        }
        blockquote {
            border-left: 4px solid #4a7ab5;
            padding: 0.8rem 1.2rem;
            margin: 1.2rem 0;
            background: #131a26;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #c8d6ee;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .site-header {
            background: #111821;
            border-bottom: 2px solid #1f2a38;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #f0f4fc;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
            color: #f0f4fc;
        }
        .my-logo .logo-icon {
            font-size: 1.8rem;
            color: #ffb347;
        }
        .my-logo .logo-sub {
            font-weight: 300;
            font-size: 0.7rem;
            color: #8a9fc0;
            display: block;
            letter-spacing: 0.3px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px 18px;
            flex-wrap: wrap;
        }
        .main-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: #b8c8e8;
            padding: 6px 4px;
            position: relative;
            transition: color 0.2s;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #7bb8ff;
            transition: width 0.25s ease;
        }
        .main-nav a:hover::after,
        .main-nav a:focus-visible::after {
            width: 100%;
        }
        .main-nav a:hover {
            color: #f0f4fc;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: #e4e8ef;
            cursor: pointer;
            padding: 4px 8px;
            transition: color 0.2s;
        }
        .hamburger:hover {
            color: #7bb8ff;
        }
        .breadcrumb {
            padding: 14px 0 6px;
            font-size: 0.85rem;
            color: #7a8aaa;
        }
        .breadcrumb a {
            color: #8a9fc0;
        }
        .breadcrumb a:hover {
            color: #7bb8ff;
        }
        .breadcrumb .sep {
            margin: 0 6px;
            color: #4a5a7a;
        }
        .breadcrumb .current {
            color: #b8c8e8;
            font-weight: 500;
        }
        .main-content {
            flex: 1;
            padding: 20px 0 40px;
        }
        .article-body {
            background: #0f1620;
            border-radius: 16px;
            padding: 30px 28px;
            box-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
            border: 1px solid #1f2a38;
        }
        .article-body p,
        .article-body li {
            color: #d0dcee;
        }
        .featured-image {
            margin: 24px 0 28px;
            border-radius: 14px;
            overflow: hidden;
            background: #1a2535;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
            min-height: 200px;
            max-height: 480px;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: #8a9fc0;
            background: #0d1420;
            border-top: 1px solid #1f2a38;
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: #7a8aaa;
            background: #141e2c;
            padding: 4px 14px;
            border-radius: 20px;
            border: 1px solid #2a3548;
            margin-bottom: 12px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #ffb347;
        }
        .form-card {
            background: #111821;
            border: 1px solid #2a3548;
            border-radius: 14px;
            padding: 24px 22px;
            margin: 28px 0 18px;
        }
        .form-card h3 {
            margin-top: 0;
            border-bottom: 1px solid #2a3548;
            padding-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-card h3 i {
            color: #ffb347;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 500;
            margin-bottom: 4px;
            color: #b8c8e8;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid #2a3548;
            background: #0b0e14;
            color: #e4e8ef;
            font-size: 0.95rem;
            transition: border-color 0.2s, box-shadow 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #4a7ab5;
            box-shadow: 0 0 0 3px rgba(74, 122, 181, 0.25);
        }
        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #2a4a7a;
            color: #f0f4fc;
            border: none;
            padding: 10px 24px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .btn:hover {
            background: #3a5a9a;
            transform: translateY(-1px);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: #1f2a38;
        }
        .btn-secondary:hover {
            background: #2a3a4e;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #4a5a7a;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s, transform 0.15s;
            color: #4a5a7a;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffb347;
            transform: scale(1.1);
        }
        .star-rating label i {
            pointer-events: none;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 10px 16px;
            margin: 16px 0 20px;
            padding: 0;
            list-style: none;
        }
        .link-list li {
            margin: 0;
        }
        .link-list a {
            display: block;
            padding: 8px 14px;
            background: #111821;
            border: 1px solid #1f2a38;
            border-radius: 8px;
            font-size: 0.9rem;
            transition: background 0.2s, border-color 0.2s;
        }
        .link-list a:hover {
            background: #1a2535;
            border-color: #3a5a7a;
            text-decoration: none;
        }
        .link-list a i {
            margin-right: 6px;
            color: #7bb8ff;
            font-size: 0.8rem;
        }
        friend-link {
            display: block;
            padding: 18px 0 8px;
            border-top: 1px solid #1f2a38;
            margin-top: 24px;
        }
        friend-link::before {
            content: '🔗 Friends & Related';
            display: block;
            font-weight: 600;
            font-size: 1rem;
            color: #8a9fc0;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .friend-links-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
        }
        .friend-links-grid a {
            font-size: 0.9rem;
            color: #8a9fc0;
            padding: 4px 0;
            border-bottom: 1px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }
        .friend-links-grid a:hover {
            color: #7bb8ff;
            border-bottom-color: #4a7ab5;
            text-decoration: none;
        }
        .site-footer {
            background: #0a0f16;
            border-top: 2px solid #1f2a38;
            padding: 24px 0 18px;
            font-size: 0.85rem;
            color: #5a6a8a;
            margin-top: 30px;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px 20px;
            align-items: center;
        }
        .site-footer .copyright {
            color: #5a6a8a;
        }
        .site-footer .copyright strong {
            color: #8a9fc0;
            font-weight: 500;
        }
        .schema-hidden {
            display: none;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0 6px;
                gap: 2px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 12px;
                border-radius: 6px;
            }
            .main-nav a::after {
                display: none;
            }
            .main-nav a:hover {
                background: #1a2535;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .article-body {
                padding: 20px 16px;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .star-rating {
                font-size: 1.5rem;
                justify-content: center;
            }
            .form-card {
                padding: 18px 14px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .article-body {
                padding: 14px 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        .badge {
            display: inline-block;
            background: #1f2a38;
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            color: #8a9fc0;
            margin-left: 6px;
        }
        .highlight-box {
            background: #141e2c;
            border-left: 4px solid #ffb347;
            padding: 16px 20px;
            border-radius: 0 10px 10px 0;
            margin: 18px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 18px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        table th,
        table td {
            padding: 10px 14px;
            border: 1px solid #1f2a38;
            text-align: left;
        }
        table th {
            background: #141e2c;
            color: #b8c8e8;
            font-weight: 600;
        }
        table td {
            background: #0f1620;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .section-icon {
            margin-right: 8px;
        }