        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: 15px 0;
        }
        .logo a {
            font-size: 26px;
            font-weight: bold;
            color: #007bff;
            text-decoration: none;
            letter-spacing: 1px;
        }
        .logo span {
            color: #ff6b6b;
        }
        .nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav ul li a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav ul li a:hover {
            color: #007bff;
        }
        .search-box {
            display: flex;
            gap: 5px;
        }
        .search-box input {
            padding: 8px 12px;
            border: 1px solid #ddd;
            border-radius: 30px;
            outline: none;
            width: 200px;
        }
        .search-box button {
            background: #007bff;
            border: none;
            padding: 0 15px;
            border-radius: 30px;
            color: white;
            cursor: pointer;
        }
        .main-content {
            display: flex;
            flex-wrap: wrap;
            margin: 30px 0;
            gap: 30px;
        }
        .article-main {
            flex: 3;
            min-width: 0;
        }
        .sidebar {
            flex: 1;
            min-width: 240px;
        }
        .article-container {
            background: #fff;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }
        .article-header {
            border-bottom: 1px solid #eee;
            padding-bottom: 20px;
            margin-bottom: 25px;
        }
        .article-title {
            font-size: 32px;
            font-weight: 700;
            color: #222;
            line-height: 1.3;
            margin-bottom: 15px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: #888;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-content {
            font-size: 16px;
            line-height: 1.8;
            color: #333;
            margin-bottom: 30px;
        }
        .article-content h2 {
            font-size: 24px;
            margin: 30px 0 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid #eaeaea;
        }
        .article-content h3 {
            font-size: 20px;
            margin: 25px 0 12px;
        }
        .article-content p {
            margin-bottom: 18px;
        }
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 15px 0;
        }
        .article-content ul, .article-content ol {
            margin: 15px 0 15px 25px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content pre {
            background: #2d2d2d;
            color: #f8f8f2;
            padding: 15px;
            border-radius: 8px;
            overflow-x: auto;
            font-size: 14px;
            margin: 20px 0;
        }
        .article-content blockquote {
            border-left: 4px solid #007bff;
            background: #f9f9f9;
            padding: 12px 20px;
            margin: 20px 0;
            color: #555;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 25px 0;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        .article-tags a {
            background: #f0f0f0;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 13px;
            text-decoration: none;
            color: #555;
            transition: all 0.2s;
        }
        .article-tags a:hover {
            background: #007bff;
            color: #fff;
        }
        .Article/details-nav {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 15px;
            padding: 20px 0;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
            margin: 20px 0;
        }
        .Article/details-nav a {
            text-decoration: none;
            color: #007bff;
            max-width: 45%;
        }
        .Article/details-nav a:hover {
            text-decoration: underline;
        }
        .related-Article/detailss {
            margin-top: 30px;
        }
        .related-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 20px;
            padding-left: 12px;
            border-left: 4px solid #007bff;
        }
        .related-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
        }
        .related-item {
            background: #fafafa;
            border-radius: 8px;
            padding: 15px;
            transition: all 0.2s;
        }
        .related-item:hover {
            background: #f0f0f0;
        }
        .related-item a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
        }
        .related-item a:hover {
            color: #007bff;
        }
        .related-item .date {
            font-size: 12px;
            color: #999;
            margin-top: 8px;
            display: block;
        }
        .widget {
            background: #fff;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 25px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }
        .widget-title {
            font-size: 18px;
            font-weight: 600;
            border-left: 4px solid #007bff;
            padding-left: 12px;
            margin-bottom: 18px;
        }
        .hot-list {
            list-style: none;
        }
        .hot-list li {
            margin-bottom: 15px;
            border-bottom: 1px dashed #eee;
            padding-bottom: 10px;
        }
        .hot-list li a {
            text-decoration: none;
            color: #333;
            display: block;
            font-size: 14px;
        }
        .hot-list li a:hover {
            color: #007bff;
        }
        .tag-cloud a {
            display: inline-block;
            background: #f0f0f0;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 13px;
            margin: 0 6px 10px 0;
            text-decoration: none;
            color: #555;
        }
        .tag-cloud a:hover {
            background: #007bff;
            color: #fff;
        }
.footer {background: #1e2a3a;color: #ccc;text-align: center; padding: 30px 0;margin-top: 40px;font-size: 14px;}
.footer a {color: #ccc;text-decoration: none;font-size: 14px;}
.footer a {font-size: 14px;}
.footer a:hover {color: #fff;}
/* header */
        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                gap: 15px;
            }
            .nav ul {
                flex-wrap: wrap;
                justify-content: center;
                gap: 15px;
            }
            .search-box {
                width: 100%;
                justify-content: center;
            }
            .search-box input {
                width: 70%;
            }
            .main-content {
                flex-direction: column;
            }
            .article-title {
                font-size: 24px;
            }
            .article-container {
                padding: 20px;
            }
            .Article/details-nav {
                flex-direction: column;
            }
            .Article/details-nav a {
                max-width: 100%;
            }
            .related-list {
                grid-template-columns: 1fr;
            }
        }