* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a2a3a;
            --accent: #e67e22;
            --accent2: #2ecc71;
            --bg: #f4f4f0;
            --card: #ffffff;
            --text: #2c3e50;
            --text-light: #7f8c8d;
            --border: #e0e0d8;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
            --radius: 14px;
            --max-w: 1200px;
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        .site-header {
            background: var(--card);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .header-inner {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .my-logo {
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo span {
            background: linear-gradient(135deg, var(--accent), #d35400);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 1.8rem;
            -webkit-text-fill-color: var(--accent);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-menu li a {
            text-decoration: none;
            color: var(--text);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .nav-menu li a:hover,
        .nav-menu li a:focus-visible {
            background: rgba(230, 126, 34, 0.08);
            color: var(--accent);
        }
        .breadcrumb-wrap {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 14px 24px 0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 10px;
            font-size: 0.85rem;
            color: var(--text-light);
            list-style: none;
            padding: 10px 0 8px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.2s;
        }
        .breadcrumb li a:hover {
            color: #d35400;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: var(--text-light);
            font-size: 1.1rem;
        }
        .main-wrap {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 24px 24px 60px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-area {
            min-width: 0;
        }
        .sidebar-area {
            position: sticky;
            top: 90px;
            align-self: start;
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .search-box {
            background: var(--card);
            border-radius: var(--radius);
            padding: 20px 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .search-box form {
            display: flex;
            gap: 10px;
        }
        .search-box input[type="text"] {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fafaf8;
            transition: border 0.2s, box-shadow 0.2s;
            outline: none;
        }
        .search-box input[type="text"]:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.12);
        }
        .search-box button {
            padding: 12px 20px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-box button:hover {
            background: #d35400;
        }
        .search-box button:active {
            transform: scale(0.97);
        }
        .sidebar-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 22px 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .sidebar-card ul li a {
            text-decoration: none;
            color: var(--text);
            font-size: 0.92rem;
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color 0.2s;
            border-bottom: 1px solid #f0efeb;
        }
        .sidebar-card ul li a:hover {
            color: var(--accent);
        }
        .sidebar-card ul li a i {
            color: var(--accent);
            font-size: 0.75rem;
            width: 16px;
            text-align: center;
        }
        .article {
            background: var(--card);
            border-radius: var(--radius);
            padding: 38px 36px 48px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .article h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .article h1 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .article .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            font-size: 0.9rem;
            color: var(--text-light);
            padding-bottom: 18px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 28px;
        }
        .article .meta i {
            margin-right: 6px;
        }
        .article .last-updated {
            font-weight: 600;
            color: var(--primary);
        }
        .article h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 40px;
            margin-bottom: 14px;
            padding-bottom: 6px;
            border-bottom: 2px solid rgba(230, 126, 34, 0.2);
        }
        .article h2 i {
            color: var(--accent);
            margin-right: 8px;
        }
        .article h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 28px;
            margin-bottom: 10px;
        }
        .article h3 i {
            color: var(--accent2);
            margin-right: 6px;
            font-size: 0.9rem;
        }
        .article h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #34495e;
            margin-top: 22px;
            margin-bottom: 8px;
        }
        .article p {
            margin-bottom: 18px;
            font-size: 1.02rem;
            line-height: 1.8;
            color: #3d4a5a;
        }
        .article p b,
        .article p strong {
            color: var(--primary);
            font-weight: 600;
        }
        .article .highlight-box {
            background: #fdf6ee;
            border-left: 4px solid var(--accent);
            padding: 18px 22px;
            border-radius: 0 10px 10px 0;
            margin: 22px 0;
            font-style: italic;
        }
        .article .highlight-box i {
            color: var(--accent);
            margin-right: 6px;
        }
        .article .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .article .stat-card {
            background: #f8f7f4;
            padding: 16px 14px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border);
        }
        .article .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
        }
        .article .stat-card .label {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .article .featured-img {
            margin: 28px 0 20px;
            border-radius: 14px;
            overflow: hidden;
            background: #e8e7e3;
            box-shadow: var(--shadow);
        }
        .article .featured-img img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 16/9;
        }
        .article .featured-img figcaption {
            padding: 10px 18px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: #fafaf8;
            border-top: 1px solid var(--border);
        }
        .article a {
            color: var(--accent);
            text-decoration: none;
            font-weight: 500;
            border-bottom: 1px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .article a:hover {
            border-bottom-color: var(--accent);
            color: #d35400;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }
        .comment-box,
        .score-box {
            background: #f9f8f5;
            border-radius: var(--radius);
            padding: 24px 22px;
            border: 1px solid var(--border);
        }
        .comment-box h3,
        .score-box h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-box textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-family: var(--font);
            font-size: 0.95rem;
            resize: vertical;
            min-height: 80px;
            background: #fff;
            transition: border 0.2s;
            outline: none;
        }
        .comment-box textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.08);
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 0.95rem;
            margin-top: 10px;
            background: #fff;
            outline: none;
            transition: border 0.2s;
        }
        .comment-box input[type="text"]:focus {
            border-color: var(--accent);
        }
        .comment-box button,
        .score-box button {
            margin-top: 12px;
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-box button:hover,
        .score-box button:hover {
            background: #1f3346;
        }
        .comment-box button:active,
        .score-box button:active {
            transform: scale(0.97);
        }
        .score-box .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 10px 0 6px;
        }
        .score-box .star-rating input {
            display: none;
        }
        .score-box .star-rating label {
            font-size: 1.8rem;
            color: #d5d0c8;
            cursor: pointer;
            transition: color 0.15s;
        }
        .score-box .star-rating label:hover,
        .score-box .star-rating label:hover~label,
        .score-box .star-rating input:checked~label {
            color: var(--accent);
        }
        .score-box .rating-value {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary);
            margin-left: 6px;
        }
        .site-footer {
            background: var(--primary);
            color: #d5d8dc;
            padding: 48px 24px 28px;
            margin-top: 20px;
        }
        .footer-inner {
            max-width: var(--max-w);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-inner p,
        .footer-inner a {
            font-size: 0.9rem;
            color: #b0b8c0;
            line-height: 1.6;
        }
        .footer-inner a {
            text-decoration: none;
            display: block;
            padding: 2px 0;
            transition: color 0.2s;
        }
        .footer-inner a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            max-width: var(--max-w);
            margin: 32px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            font-size: 0.85rem;
            color: #8a94a0;
        }
        .footer-bottom a {
            color: var(--accent);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            text-decoration: underline;
        }
        friend-link {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        friend-link a {
            color: #b0b8c0;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        friend-link a:hover {
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .main-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .sidebar-area {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar-area .sidebar-card:last-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 0 16px;
                height: 62px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 62px;
                left: 0;
                right: 0;
                background: var(--card);
                flex-direction: column;
                padding: 12px 20px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 10px 14px;
                font-size: 1rem;
                width: 100%;
            }
            .article {
                padding: 24px 18px 32px;
            }
            .article h1 {
                font-size: 1.7rem;
            }
            .article h2 {
                font-size: 1.3rem;
            }
            .article h3 {
                font-size: 1.1rem;
            }
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .sidebar-area {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .breadcrumb-wrap {
                padding: 10px 16px 0;
            }
            .breadcrumb {
                font-size: 0.78rem;
                padding: 6px 0;
            }
            .main-wrap {
                padding: 16px 16px 40px;
            }
        }
        @media (max-width: 480px) {
            .article h1 {
                font-size: 1.4rem;
            }
            .article .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-box form {
                flex-direction: column;
            }
            .search-box button {
                justify-content: center;
            }
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: #c8c6c0;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #b0aea8;
        }