*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f4f7fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e2e8f0;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fbbf24;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 0.4rem;
        }
        .breadcrumb {
            background: #e9eef3;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            color: #475569;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb span {
            color: #64748b;
        }
        .breadcrumb .sep {
            margin: 0 0.25rem;
            color: #94a3b8;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        article {
            background: #fff;
            border-radius: 24px;
            padding: 2.5rem 2.8rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            margin-bottom: 2.5rem;
        }
        article h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: #0f172a;
        }
        article h1 i {
            color: #f59e0b;
            margin-right: 0.5rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.9rem;
            color: #64748b;
            margin-bottom: 1.8rem;
            border-bottom: 1px solid #e2e8f0;
            padding-bottom: 1rem;
        }
        .article-meta i {
            margin-right: 0.4rem;
        }
        .last-updated {
            font-weight: 600;
            color: #1e293b;
        }
        article h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            color: #0f172a;
            border-left: 5px solid #f59e0b;
            padding-left: 1rem;
        }
        article h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #1e293b;
        }
        article h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #334155;
        }
        article p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #1e293b;
        }
        article ul,
        article ol {
            margin-bottom: 1.2rem;
        }
        article li {
            margin-bottom: 0.4rem;
            font-size: 1.05rem;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f1f5f9;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #475569;
            text-align: center;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f59e0b;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.8rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .insight-card {
            background: #f0f4fe;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0;
            border: 1px solid #dbeafe;
        }
        .insight-card h4 {
            color: #1e40af;
            margin-top: 0;
        }
        .search-section {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2.8rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            margin-bottom: 2.5rem;
        }
        .search-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #0f172a;
        }
        .search-form {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.85rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #f59e0b;
        }
        .search-form button {
            padding: 0.85rem 2rem;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            border: none;
            border-radius: 50px;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
        }
        .comments-section {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2.8rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            margin-bottom: 2.5rem;
        }
        .comments-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #0f172a;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 16px;
            font-size: 1rem;
            resize: vertical;
            min-height: 120px;
            outline: none;
            transition: border-color 0.2s;
            font-family: inherit;
        }
        .comment-form textarea:focus {
            border-color: #f59e0b;
        }
        .comment-form .form-row {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-top: 0.75rem;
            align-items: center;
        }
        .comment-form input[type="text"] {
            flex: 1;
            min-width: 160px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .comment-form input[type="text"]:focus {
            border-color: #f59e0b;
        }
        .comment-form button {
            padding: 0.75rem 2rem;
            background: linear-gradient(135deg, #3b82f6, #2563eb);
            border: none;
            border-radius: 50px;
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
        }
        .rating-section {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2.8rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            margin-bottom: 2.5rem;
        }
        .rating-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #0f172a;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f59e0b;
            transform: scale(1.1);
        }
        .rating-form {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            margin-top: 0.75rem;
        }
        .rating-form button {
            padding: 0.7rem 1.8rem;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            border: none;
            border-radius: 50px;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .rating-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
        }
        .rating-display {
            margin-top: 1rem;
            font-size: 1.05rem;
            color: #475569;
        }
        .rating-display i {
            color: #f59e0b;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            justify-content: center;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: #fbbf24;
            text-decoration: none;
        }
        friend-link {
            display: block;
            text-align: center;
            padding: 1rem 0 0.5rem;
            border-top: 1px solid #1e293b;
            font-size: 0.9rem;
            color: #64748b;
        }
        friend-link a {
            color: #94a3b8;
            margin: 0 0.5rem;
        }
        friend-link a:hover {
            color: #fbbf24;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: #475569;
            padding-top: 0.5rem;
        }
        .schema-hidden {
            display: none;
        }
        @media (max-width: 992px) {
            article {
                padding: 2rem 1.8rem;
            }
            .search-section,
            .comments-section,
            .rating-section {
                padding: 1.8rem 1.8rem;
            }
            article h1 {
                font-size: 2.1rem;
            }
            article h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f172a;
                padding: 1rem 0;
                border-radius: 16px;
                margin-top: 0.75rem;
                gap: 0.1rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.6rem 1.2rem;
                width: 100%;
                text-align: center;
            }
            .header-inner {
                position: relative;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            article {
                padding: 1.5rem 1.2rem;
                border-radius: 16px;
            }
            .search-section,
            .comments-section,
            .rating-section {
                padding: 1.5rem 1.2rem;
                border-radius: 16px;
            }
            article h1 {
                font-size: 1.7rem;
            }
            article h2 {
                font-size: 1.35rem;
            }
            article h3 {
                font-size: 1.15rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.3rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form button {
                justify-content: center;
                width: 100%;
            }
            .rating-form {
                flex-direction: column;
                align-items: flex-start;
            }
            .rating-form button {
                width: 100%;
                justify-content: center;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .footer-links {
                flex-direction: column;
                align-items: center;
                gap: 0.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            article h1 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .nav-menu a {
                font-size: 0.85rem;
            }
        }
        .btn-icon {
            background: none;
            border: none;
            cursor: pointer;
        }
        .inline-highlight {
            background: #fef3c7;
            padding: 0.1rem 0.3rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.3em;
            margin-right: 0.2rem;
        }