*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8fafc;
            color: #0f172a;
            line-height: 1.8;
            padding: 0;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 16px;
            background: #2563eb;
            color: #fff;
            padding: 12px 24px;
            border-radius: 8px;
            z-index: 1000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 16px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fbbf24;
            letter-spacing: -0.5px;
            text-transform: uppercase;
            background: linear-gradient(to right, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(251, 191, 36, 0.15);
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo i {
            -webkit-text-fill-color: #fbbf24;
            margin-right: 6px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e2e8f0;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fbbf24;
            text-decoration: none;
        }
        .nav-menu .active {
            background: rgba(251, 191, 36, 0.15);
            color: #fbbf24;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .hamburger:focus-visible {
            outline: 2px solid #fbbf24;
            outline-offset: 2px;
        }
        .breadcrumbs {
            background: #f1f5f9;
            padding: 12px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumbs ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumbs li {
            font-size: 0.9rem;
            color: #475569;
        }
        .breadcrumbs li+li::before {
            content: "›";
            margin-right: 10px;
            color: #94a3b8;
            font-size: 1.2rem;
        }
        .breadcrumbs a {
            color: #2563eb;
        }
        .breadcrumbs a:hover {
            color: #1e40af;
        }
        .breadcrumbs .current {
            color: #0f172a;
            font-weight: 600;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .article-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0f172a;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        h1 .highlight {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0f172a;
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #fbbf24;
            display: inline-block;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1e293b;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #334155;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            color: #1e293b;
        }
        .lead {
            font-size: 1.2rem;
            color: #475569;
            line-height: 1.9;
            margin-bottom: 24px;
        }
        .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            color: #64748b;
            font-size: 0.95rem;
            margin-bottom: 28px;
            padding: 12px 0;
            border-top: 1px solid #e2e8f0;
            border-bottom: 1px solid #e2e8f0;
        }
        .post-meta i {
            margin-right: 6px;
            color: #fbbf24;
        }
        .post-meta .updated {
            font-weight: 600;
            color: #0f172a;
        }
        blockquote {
            border-left: 4px solid #fbbf24;
            background: #fefce8;
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #1e293b;
        }
        blockquote cite {
            display: block;
            margin-top: 8px;
            font-style: normal;
            font-weight: 600;
            color: #0f172a;
        }
        .emoji-big {
            font-size: 1.4em;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fefce8, #fef3c7);
            border-radius: 16px;
            padding: 24px 28px;
            margin: 28px 0;
            border: 1px solid #fde68a;
        }
        .highlight-box h4 {
            margin-top: 0;
            color: #92400e;
        }
        .highlight-box p {
            margin-bottom: 0;
            color: #78350f;
        }
        .img-wrapper {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            background: #e2e8f0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .img-wrapper figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #64748b;
            background: #fff;
            border-top: 1px solid #e2e8f0;
        }
        .img-wrapper img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        ul,
        ol {
            margin: 16px 0 20px 24px;
            color: #1e293b;
        }
        li {
            margin-bottom: 8px;
        }
        ul li::marker {
            color: #fbbf24;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 28px 0;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th {
            background: #0f172a;
            color: #fff;
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 18px;
            border-bottom: 1px solid #e2e8f0;
            color: #1e293b;
        }
        tr:nth-child(even) td {
            background: #f8fafc;
        }
        tr:hover td {
            background: #fefce8;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 32px;
            margin: 40px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.2s;
            background: #f8fafc;
        }
        .search-form input[type="text"]:focus {
            border-color: #fbbf24;
            outline: none;
            background: #fff;
        }
        .search-form button {
            padding: 14px 28px;
            background: #0f172a;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1e293b;
            transform: translateY(-1px);
        }
        .search-form button:active {
            transform: translateY(0);
        }
        .comment-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 32px;
            margin: 40px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
        }
        .comment-section h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            resize: vertical;
            min-height: 120px;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #f8fafc;
        }
        .comment-form textarea:focus {
            border-color: #fbbf24;
            outline: none;
            background: #fff;
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            margin: 12px 0;
            flex-wrap: wrap;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #f8fafc;
            transition: border-color 0.2s;
        }
        .comment-form .form-row input:focus {
            border-color: #fbbf24;
            outline: none;
            background: #fff;
        }
        .comment-form button {
            padding: 14px 32px;
            background: #0f172a;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover {
            background: #1e293b;
            transform: translateY(-1px);
        }
        .comment-form button:active {
            transform: translateY(0);
        }
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 32px;
            margin: 40px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
        }
        .rating-section h3 {
            margin-top: 0;
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: #cbd5e1;
            cursor: pointer;
            margin: 12px 0;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.1s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #fbbf24;
            transform: scale(1.1);
        }
        .rating-stars i.fa-star {
            color: #fbbf24;
        }
        .rating-form button {
            padding: 12px 28px;
            background: #0f172a;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .rating-form button:hover {
            background: #1e293b;
            transform: translateY(-1px);
        }
        .rating-display {
            margin-top: 12px;
            font-weight: 600;
            color: #0f172a;
        }
        friend-link {
            display: block;
            padding: 24px 0;
            border-top: 1px solid #e2e8f0;
            margin-top: 24px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 6px 16px;
            background: #f1f5f9;
            border-radius: 20px;
            font-size: 0.9rem;
            color: #0f172a;
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: #0f172a;
            color: #fff;
            text-decoration: none;
        }
        friend-link .friend-label {
            font-weight: 600;
            color: #475569;
            margin-right: 8px;
        }
        .site-footer {
            background: #0f172a;
            color: #e2e8f0;
            padding: 40px 0 32px;
            margin-top: 60px;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 24px;
        }
        .site-footer .footer-copy {
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .site-footer .footer-copy strong {
            color: #fbbf24;
        }
        .site-footer a {
            color: #94a3b8;
        }
        .site-footer a:hover {
            color: #fbbf24;
        }
        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1e293b;
                padding: 16px;
                border-radius: 12px;
                margin-top: 8px;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                width: 100%;
                border-radius: 8px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            h4 {
                font-size: 1.05rem;
            }
            .container {
                padding: 0 16px;
            }
            .search-section,
            .comment-section,
            .rating-section {
                padding: 20px;
            }
            .post-meta {
                flex-direction: column;
                gap: 6px;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            .header-inner {
                gap: 8px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            .search-form input[type="text"] {
                min-width: 140px;
            }
            .comment-form .form-row input {
                min-width: 140px;
            }
            .table-wrap {
                font-size: 0.85rem;
            }
            th,
            td {
                padding: 10px 12px;
            }
        }
        @media (min-width: 769px) {
            .hamburger {
                display: none !important;
            }
            .nav-menu {
                display: flex !important;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-small {
            font-size: 0.9rem;
            color: #64748b;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .tag {
            display: inline-block;
            background: #fefce8;
            color: #92400e;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .divider {
            border: none;
            height: 2px;
            background: linear-gradient(to right, #fbbf24, transparent);
            margin: 36px 0;
        }