/* 基礎樣式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Segoe UI", "Microsoft JhengHei", "微軟正黑體", sans-serif;
        }
        
        :root {
            --primary-color: #0088cc; /* Telegram藍色 */
            --secondary-color: #f8f9fa;
            --text-color: #333;
            --light-text: #666;
            --border-color: #e0e0e0;
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        body {
            background-color: #f5f7fa;
            color: var(--text-color);
            line-height: 1.6;
        }
        
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        a:hover {
            color: #006699;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 頭部樣式 */
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 24px;
            font-weight: bold;
            color: var(--primary-color);
        }
        
        .logo i {
            margin-right: 10px;
            font-size: 28px;
        }
        
        .search-box {
            display: flex;
            align-items: center;
            background: var(--secondary-color);
            border-radius: 20px;
            padding: 8px 15px;
            width: 300px;
        }
        
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            padding: 0 10px;
        }
        
        .search-box button {
            background: transparent;
            border: none;
            color: var(--light-text);
            cursor: pointer;
        }
        
        /* 導航樣式 */
        nav {
            background-color: var(--primary-color);
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-menu li {
            position: relative;
        }
        
        .nav-menu a {
            display: block;
            padding: 15px 20px;
            color: white;
            font-weight: 500;
        }
        
        .nav-menu a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        
        /* 麵包屑導航 */
        .breadcrumb {
            padding: 15px 0;
            font-size: 14px;
            color: var(--light-text);
        }
        
        .breadcrumb a {
            color: var(--light-text);
        }
        
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        
        .breadcrumb i {
            margin: 0 8px;
            font-size: 12px;
        }
        
        /* 主要內容區域 */
        .main-content {
            display: flex;
            margin: 30px 0;
            gap: 30px;
        }
        
        .content {
            flex: 3;
        }
        
        .sidebar {
            flex: 1;
        }
        
        /* 文章內容樣式 */
        .article-header {
            background: white;
            border-radius: 8px;
            padding: 30px;
            margin-bottom: 25px;
            box-shadow: var(--shadow);
        }
        
        .article-title {
            font-size: 28px;
            margin-bottom: 15px;
            line-height: 1.4;
            color: var(--text-color);
        }
        
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 14px;
            color: var(--light-text);
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .article-meta i {
            margin-right: 5px;
            color: var(--primary-color);
        }
        
        .article-meta span {
            display: flex;
            align-items: center;
        }
        
        .article-thumb {
            width: 100%;
            margin-bottom: 20px;
            border-radius: 8px;
            overflow: hidden;
        }
        
        .article-thumb img {
            width: 100%;
            height: auto;
            max-height: 400px;
            object-fit: cover;
        }
        
        .article-summary {
            background: var(--secondary-color);
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 25px;
            border-left: 4px solid var(--primary-color);
        }
        
        .article-summary h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--primary-color);
            display: flex;
            align-items: center;
        }
        
        .article-summary h3 i {
            margin-right: 8px;
        }
        
        .article-body {
            background: white;
            border-radius: 8px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
            line-height: 1.8;
        }
        
        .article-body img {
            max-width: 100%;
            height: auto;
            margin: 15px 0;
            border-radius: 6px;
        }
        
        .article-body p {
            margin-bottom: 15px;
        }
        
        .article-body h2, .article-body h3 {
            margin: 25px 0 15px;
            color: var(--primary-color);
        }
        
        .article-body h2 {
            font-size: 24px;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 8px;
        }
        
        .article-body h3 {
            font-size: 20px;
        }
        
        .article-body ul, .article-body ol {
            margin: 15px 0;
            padding-left: 25px;
        }
        
        .article-body li {
            margin-bottom: 8px;
        }
        
        .article-body blockquote {
            border-left: 4px solid var(--primary-color);
            padding: 15px 20px;
            margin: 20px 0;
            background: var(--secondary-color);
            border-radius: 0 8px 8px 0;
        }
        
        /* 文章導航 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            background: white;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        
        .nav-item {
            flex: 1;
            padding: 15px;
            border-radius: 6px;
            transition: background 0.3s;
        }
        
        .nav-item:hover {
            background: var(--secondary-color);
        }
        
        .nav-prev {
            margin-right: 10px;
            text-align: left;
        }
        
        .nav-next {
            margin-left: 10px;
            text-align: right;
        }
        
        .nav-label {
            font-size: 14px;
            color: var(--light-text);
            margin-bottom: 5px;
            display: flex;
            align-items: center;
        }
        
        .nav-prev .nav-label i {
            margin-right: 5px;
        }
        
        .nav-next .nav-label i {
            margin-left: 5px;
        }
        
        .nav-title {
            font-weight: 500;
            line-height: 1.4;
        }
        
        /* 側邊欄樣式 */
        .sidebar-widget {
            background: white;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        
        .widget-title {
            font-size: 18px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
        }
        
        .widget-title i {
            margin-right: 8px;
            color: var(--primary-color);
        }
        
        .popular-list, .news-list, .random-list {
            list-style: none;
        }
        
        .popular-list li, .news-list li, .random-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }
        
        .popular-list li:last-child, .news-list li:last-child, .random-list li:last-child {
            border-bottom: none;
        }
        
        .popular-list a, .news-list a, .random-list a {
            display: block;
            font-size: 15px;
            margin-bottom: 5px;
        }
        
        .popular-meta, .news-meta, .random-meta {
            font-size: 12px;
            color: var(--light-text);
        }
        
        .popular-meta i, .news-meta i, .random-meta i {
            margin-right: 3px;
        }
        
        .random-article {
            display: flex;
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .random-article:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .random-img {
            flex: 0 0 80px;
            margin-right: 15px;
        }
        
        .random-img img {
            width: 100%;
            height: 60px;
            object-fit: cover;
            border-radius: 4px;
        }
        
        .random-content {
            flex: 1;
        }
        
        .random-title {
            font-size: 14px;
            margin-bottom: 5px;
            line-height: 1.4;
        }
        
        .random-meta {
            font-size: 11px;
        }
        
        /* 底部樣式 */
        footer {
            background: #2c3e50;
            color: white;
            padding: 40px 0 20px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            margin-bottom: 30px;
        }
        
        .footer-logo {
            font-size: 22px;
            font-weight: bold;
            margin-bottom: 15px;
        }
        
        .footer-links {
            display: flex;
            gap: 30px;
        }
        
        .footer-column h3 {
            font-size: 18px;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column li {
            margin-bottom: 8px;
        }
        
        .footer-column a {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .footer-column a:hover {
            color: white;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        
        /* 返回頂部按鈕 */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 999;
        }
        
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            background: #006699;
        }
        
        /* 響應式設計 */
        @media (max-width: 992px) {
            .main-content {
                flex-direction: column;
            }
            
            .article-navigation {
                flex-direction: column;
            }
            
            .nav-item {
                margin: 5px 0;
            }
            
            .nav-prev, .nav-next {
                margin: 0;
            }
            
            .footer-content {
                flex-direction: column;
                gap: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 15px;
            }
            
            .search-box {
                width: 100%;
            }
            
            .nav-menu {
                flex-wrap: wrap;
            }
            
            .article-meta {
                flex-direction: column;
                gap: 8px;
            }
            
            .article-title {
                font-size: 24px;
            }
            
            .footer-links {
                flex-direction: column;
                gap: 20px;
            }
        }