*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f9fc;
            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;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0f172a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
            padding: 1rem 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;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f59e0b, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f59e0b;
            font-size: 1.8rem;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: inherit;
        }
        .my-logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1rem;
            flex-wrap: wrap;
            padding: 0;
        }
        .nav-list li a {
            color: #e2e8f0;
            font-weight: 500;
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fbbf24;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #e2e8f0;
            color: #fff;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #eef2f6;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce2ea;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.4rem;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #64748b;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb .current {
            color: #475569;
            font-weight: 500;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .article-body {
            background: #fff;
            border-radius: 18px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .feature-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .feature-image img {
            width: 100%;
            object-fit: cover;
        }
        .feature-image figcaption {
            background: #f1f5f9;
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            color: #475569;
            text-align: center;
            font-style: italic;
        }
        .search-section {
            background: #eef2f6;
            border-radius: 14px;
            padding: 1.8rem 2rem;
            margin: 2.4rem 0;
        }
        .search-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #cbd5e1;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #f59e0b;
        }
        .search-form button {
            background: #f59e0b;
            border: none;
            color: #0f172a;
            font-weight: 700;
            padding: 0.75rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .search-form button:hover {
            background: #f97316;
            transform: scale(1.02);
        }
        .comments-section {
            background: #f8fafc;
            border-radius: 14px;
            padding: 1.8rem 2rem;
            margin: 2.4rem 0;
            border: 1px solid #e2e8f0;
        }
        .comments-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .comment-form textarea {
            width: 100%;
            min-height: 100px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #cbd5e1;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #f59e0b;
        }
        .comment-form .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #cbd5e1;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form .form-row input:focus {
            border-color: #f59e0b;
        }
        .comment-form button {
            background: #2563eb;
            border: none;
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 2.2rem;
            border-radius: 40px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-form button:hover {
            background: #1d4ed8;
            transform: scale(1.02);
        }
        .rating-section {
            background: #fef9ef;
            border-radius: 14px;
            padding: 1.8rem 2rem;
            margin: 2.4rem 0;
            border: 1px solid #fde68a;
        }
        .rating-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            margin: 0.8rem 0;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f59e0b;
            transform: scale(1.15);
        }
        .rating-form button {
            background: #f59e0b;
            border: none;
            color: #0f172a;
            font-weight: 700;
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .rating-form button:hover {
            background: #f97316;
        }
        .rating-result {
            margin-top: 0.6rem;
            font-weight: 600;
            color: #92400e;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.8rem;
            margin-top: 3rem;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: space-between;
        }
        .footer-col {
            flex: 1 1 200px;
        }
        .footer-col h4 {
            color: #fbbf24;
            margin-top: 0;
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.4rem;
        }
        .footer-col ul li a {
            color: #94a3b8;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: #fbbf24;
            text-decoration: none;
        }
        friend-link {
            display: block;
            padding: 0.6rem 0;
        }
        friend-link a {
            color: #94a3b8;
            margin-right: 1rem;
            display: inline-block;
            transition: color 0.2s;
        }
        friend-link a:hover {
            color: #fbbf24;
            text-decoration: none;
        }
        .copyright {
            border-top: 1px solid #1e293b;
            padding-top: 1.2rem;
            margin-top: 1.8rem;
            text-align: center;
            font-size: 0.9rem;
            color: #64748b;
        }
        @media (max-width: 900px) {
            .article-body {
                padding: 1.5rem 1.2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e293b;
                padding: 1rem 0.8rem;
                border-radius: 12px;
                margin-top: 0.6rem;
                gap: 0.3rem;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                display: block;
                padding: 0.6rem 0.8rem;
                border-radius: 8px;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            .header-inner {
                align-items: flex-start;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
            }
            .search-section,
            .comments-section,
            .rating-section {
                padding: 1.2rem 1rem;
            }
            .search-form input[type="text"] {
                min-width: 140px;
            }
            .feature-image {
                margin: 1.2rem 0 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .article-body {
                padding: 1rem 0.8rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            .comment-form .form-row input {
                min-width: 100%;
            }
        }
        .text-small {
            font-size: 0.9rem;
            color: #64748b;
        }
        .updated-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #eef2f6;
            padding: 0.3rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #475569;
        }
        .highlight {
            background: #fef9c3;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.2rem;
            margin: 1.4rem 0;
        }
        .card-item {
            background: #f8fafc;
            border-radius: 12px;
            padding: 1.2rem 1.4rem;
            border-left: 4px solid #f59e0b;
            transition: box-shadow 0.2s, transform 0.15s;
        }
        .card-item:hover {
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
            transform: translateY(-2px);
        }
        .card-item h4 {
            margin-top: 0;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .inline-icon {
            margin-right: 0.3rem;
        }