* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a2a3a;
            --secondary: #e63946;
            --accent: #f4a261;
            --bg: #f8f9fa;
            --card-bg: #ffffff;
            --text: #1d1d1d;
            --text-light: #555;
            --border: #dee2e6;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --radius: 12px;
            --max-width: 1200px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #b71c1c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 16px;
        }
        header {
            background: var(--primary);
            color: #fff;
            padding: 12px 0;
            border-radius: 0 0 var(--radius) var(--radius);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: var(--secondary);
            padding: 4px 16px;
            border-radius: 40px;
            text-decoration: none;
            transition: var(--transition);
        }
        .my-logo:hover {
            background: #c1121f;
            transform: scale(1.02);
            text-decoration: none;
            color: #fff;
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 4px 8px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px 20px;
            flex-wrap: wrap;
        }
        nav a {
            color: #e0e0e0;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        nav a:hover {
            color: #fff;
            border-bottom-color: var(--accent);
            text-decoration: none;
        }
        nav a.active {
            color: #fff;
            border-bottom-color: var(--secondary);
        }
        .breadcrumb {
            background: transparent;
            padding: 16px 0 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #999;
        }
        main {
            padding: 24px 0 48px;
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
        }
        .article-content h1 {
            font-size: 2.2rem;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--primary);
        }
        .article-content h1 i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .article-content h2 {
            font-size: 1.6rem;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--secondary);
            color: var(--primary);
        }
        .article-content h2 i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .article-content h3 {
            font-size: 1.25rem;
            margin: 28px 0 12px;
            color: #2a3a4a;
        }
        .article-content h3 i {
            color: var(--accent);
            margin-right: 6px;
        }
        .article-content h4 {
            font-size: 1.05rem;
            margin: 20px 0 10px;
            color: #3a4a5a;
        }
        .article-content p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .article-content ul,
        .article-content ol {
            margin: 12px 0 20px 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .highlight-box {
            background: #fff7ed;
            border-left: 5px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
        .highlight-box strong {
            color: var(--secondary);
        }
        .insight-box {
            background: #e8f4fd;
            border-left: 5px solid #1e88e5;
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: var(--bg);
            padding: 16px 12px;
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            display: block;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 10px 14px;
            background: #f1f3f5;
            font-size: 0.85rem;
            color: var(--text-light);
            font-style: italic;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin: 16px 0 20px;
            padding: 12px 16px;
            background: #f8f9fa;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .link-list-inline a {
            font-weight: 500;
            font-size: 0.92rem;
        }
        .link-list-inline a i {
            margin-right: 4px;
            font-size: 0.8rem;
        }
        .last-updated {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .last-updated i {
            margin-right: 6px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 20px 18px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--primary);
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 6px;
        }
        .sidebar-links a {
            display: block;
            padding: 8px 0;
            border-bottom: 1px solid #f0f0f0;
            font-size: 0.92rem;
            transition: var(--transition);
        }
        .sidebar-links a:last-child {
            border-bottom: none;
        }
        .sidebar-links a:hover {
            padding-left: 6px;
            color: var(--secondary);
            text-decoration: none;
        }
        .sidebar-links a i {
            color: var(--accent);
            margin-right: 8px;
            width: 18px;
            text-align: center;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 0.92rem;
            outline: none;
            transition: var(--transition);
        }
        .search-form input:focus {
            border-color: var(--secondary);
        }
        .search-form button {
            background: var(--secondary);
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0 18px;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: #c1121f;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.92rem;
            font-family: var(--font);
            outline: none;
            transition: var(--transition);
            margin-bottom: 10px;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: var(--secondary);
        }
        .comment-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .comment-form button {
            background: var(--secondary);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.92rem;
        }
        .comment-form button:hover {
            background: #c1121f;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            margin: 8px 0 12px;
            transition: var(--transition);
        }
        .rating-stars i {
            transition: var(--transition);
        }
        .rating-stars i.active,
        .rating-stars i:hover {
            color: var(--accent);
        }
        .rating-stars i:hover~i {
            color: #ccc;
        }
        .rating-form button {
            background: var(--accent);
            color: #1d1d1d;
            border: none;
            padding: 8px 24px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .rating-form button:hover {
            background: #e08f3e;
        }
        footer {
            background: var(--primary);
            color: #ccc;
            padding: 32px 0 20px;
            border-radius: var(--radius) var(--radius) 0 0;
            margin-top: 32px;
        }
        footer .footer-inner {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
        }
        footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 12px;
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 6px;
            display: inline-block;
        }
        footer a {
            color: #bbb;
            font-size: 0.9rem;
            display: block;
            padding: 4px 0;
            transition: var(--transition);
        }
        footer a:hover {
            color: #fff;
            text-decoration: none;
            padding-left: 4px;
        }
        friend-link {
            display: block;
            padding: 12px 0;
            border-top: 1px solid #2a3a4a;
            margin-top: 20px;
        }
        friend-link a {
            display: inline-block;
            margin-right: 20px;
            color: #aaa;
        }
        friend-link a:hover {
            color: #fff;
        }
        .copyright {
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid #2a3a4a;
            margin-top: 16px;
            font-size: 0.85rem;
            color: #888;
        }
        @media (max-width: 1024px) {
            .article-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding-top: 12px;
                gap: 4px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 8px 0;
                width: 100%;
                border-bottom: 1px solid #2a3a4a;
            }
            .article-content {
                padding: 20px 16px;
            }
            .article-content h1 {
                font-size: 1.6rem;
            }
            .article-content h2 {
                font-size: 1.3rem;
            }
            .article-content h3 {
                font-size: 1.1rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .my-logo {
                font-size: 1.2rem;
                padding: 2px 12px;
            }
            .header-inner {
                gap: 8px;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 0 8px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card .num {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 16px 12px;
            }
            .rating-stars {
                font-size: 1.4rem;
            }
        }
        .text-small {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .gap-8 {
            gap: 8px;
        }
        .fw-700 {
            font-weight: 700;
        }
        .color-secondary {
            color: var(--secondary);
        }