* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.8;
            font-size: 16px;
        }
        :root {
            --primary: #e87d1e;
            --primary-dark: #c96a14;
            --secondary: #1a1a2e;
            --accent: #ff9f43;
            --bg-light: #f5f7fa;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-soft: #2d3436;
            --text-muted: #636e72;
            --border-light: #e0e4e8;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            --radius: 16px;
            --font-lg: 1.125rem;
            --max-width: 1200px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 999;
            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;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo span {
            color: var(--accent);
        }
        .my-logo i {
            font-size: 2rem;
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .nav-menu {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e0e0e0;
            text-decoration: none;
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-menu a:hover,
        .nav-menu a:focus {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb ol li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
        }
        .breadcrumb ol li a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb ol li a:hover {
            text-decoration: underline;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            color: var(--text-muted);
            font-size: 1.2rem;
            margin-right: 4px;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 36px;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .subhead {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            border-left: 4px solid var(--primary);
            padding-left: 20px;
        }
        .last-updated {
            display: inline-block;
            background: #fff5eb;
            color: var(--primary-dark);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .last-updated i {
            margin-right: 6px;
        }
        .featured-image {
            margin: 28px 0 32px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-image figcaption {
            padding: 12px 20px;
            background: #fafafa;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--primary);
            display: inline-block;
        }
        h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 32px 0 12px;
        }
        h3 i {
            color: var(--accent);
            margin-right: 8px;
            font-size: 1.2rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-soft);
            margin: 24px 0 10px;
        }
        p {
            margin-bottom: 18px;
            font-size: var(--font-lg);
            color: var(--text-soft);
        }
        p strong {
            color: var(--secondary);
        }
        ul,
        ol {
            margin: 16px 0 24px 24px;
            font-size: var(--font-lg);
            color: var(--text-soft);
        }
        ul li,
        ol li {
            margin-bottom: 8px;
        }
        ul li strong {
            color: var(--secondary);
        }
        .highlight-box {
            background: #fff8f0;
            border-left: 5px solid var(--primary);
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box p {
            margin-bottom: 0;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .content-link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            margin: 20px 0 28px;
            padding: 0;
            list-style: none;
        }
        .content-link-list li {
            margin: 0;
        }
        .content-link-list a {
            background: #f0f4f8;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            display: inline-block;
            border: 1px solid #e0e4e8;
            transition: all 0.2s;
        }
        .content-link-list a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            text-decoration: none;
        }
        .search-section {
            background: linear-gradient(135deg, #1a1a2e, #2d2d44);
            padding: 32px 36px;
            border-radius: var(--radius);
            margin: 40px 0;
            color: #fff;
        }
        .search-section h3 {
            color: #fff;
            margin-top: 0;
        }
        .search-section h3 i {
            color: var(--accent);
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            background: #fff;
            color: #1a1a2e;
        }
        .search-form button {
            padding: 14px 32px;
            border: none;
            border-radius: 40px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-dark);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        .interact-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 30px;
            border: 1px solid var(--border-light);
        }
        .interact-card h3 {
            margin-top: 0;
        }
        .interact-card h3 i {
            color: var(--primary);
        }
        .star-rating {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin: 16px 0;
        }
        .stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars i {
            transition: color 0.2s;
        }
        .stars i.active,
        .stars i:hover {
            color: #f1c40f;
        }
        .star-rating button {
            align-self: flex-start;
            padding: 10px 28px;
            border: none;
            border-radius: 40px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .star-rating button:hover {
            background: var(--primary-dark);
        }
        .rating-value {
            font-weight: 700;
            color: var(--primary);
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border 0.3s;
        }
        .comment-form textarea:focus {
            border-color: var(--primary);
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 12px 18px;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            font-size: 1rem;
            outline: none;
            margin: 10px 0 14px;
            transition: border 0.3s;
        }
        .comment-form input[type="text"]:focus {
            border-color: var(--primary);
        }
        .comment-form button {
            padding: 12px 32px;
            border: none;
            border-radius: 40px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover {
            background: var(--primary-dark);
        }
        .comment-list {
            margin-top: 20px;
            max-height: 260px;
            overflow-y: auto;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        .comment-item {
            padding: 10px 0;
            border-bottom: 1px solid #f0f0f0;
            font-size: 0.95rem;
        }
        .comment-item strong {
            color: var(--secondary);
        }
        .comment-item small {
            color: var(--text-muted);
            font-size: 0.8rem;
            margin-left: 12px;
        }
        .spec-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 1rem;
            background: #fafbfc;
            border-radius: 12px;
            overflow: hidden;
        }
        .spec-table th {
            background: var(--secondary);
            color: #fff;
            padding: 14px 20px;
            text-align: left;
            font-weight: 600;
        }
        .spec-table td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-light);
        }
        .spec-table tr:last-child td {
            border-bottom: none;
        }
        .spec-table tr:hover td {
            background: #fff5eb;
        }
        .site-footer {
            background: var(--secondary);
            color: #ccc;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 8px;
            display: inline-block;
        }
        .footer-inner p {
            color: #bbb;
            font-size: 0.95rem;
        }
        .footer-inner a {
            color: #ddd;
            font-weight: 400;
            display: block;
            padding: 4px 0;
            font-size: 0.95rem;
        }
        .footer-inner a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        friend-link {
            display: block;
            padding: 18px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 20px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            color: #aaa;
        }
        friend-link a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
            color: #888;
        }
        @media (max-width: 900px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            .article-card {
                padding: 24px 18px;
            }
            .search-section {
                padding: 24px 20px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: rgba(0, 0, 0, 0.2);
                padding: 16px 0;
                border-radius: 12px;
                margin-top: 8px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                border-radius: 0;
                background: transparent;
            }
            .header-inner {
                position: relative;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .spec-table {
                font-size: 0.85rem;
            }
            .spec-table th,
            .spec-table td {
                padding: 10px 12px;
            }
            .content-link-list {
                gap: 6px 10px;
            }
            .content-link-list a {
                font-size: 0.8rem;
                padding: 4px 14px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: auto;
            }
            .search-form button {
                justify-content: center;
            }
            .article-card {
                padding: 16px 12px;
            }
            .stars {
                font-size: 1.6rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f0f0f0;
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }