* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
        }
        
        /* 顶部导航栏 */
        .header {
            background-color: #ffffff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 60px;
        }
        
        .logo-section {
            display: flex;
            align-items: center;
            gap: 30px;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #d32f2f;
            font-weight: bold;
            font-size: 20px;
        }

        .logo img{
            width: 40px;
            height: 40px;
        }
        
        .logo i {
            font-size: 22px;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        
        .nav-menu li a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            padding: 8px 0;
            transition: color 0.2s;
            position: relative;
        }
        
        .nav-menu li a:hover {
            color: #d32f2f;
        }
        
        .nav-menu li.active a {
            color: #d32f2f;
        }
        
        .nav-menu li.active a:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #d32f2f;
        }
        
        .right-section {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .search-box {
            position: relative;
        }
        
        .search-box input {
            padding: 8px 15px 8px 35px;
            border: 1px solid #e0e0e0;
            border-radius: 20px;
            font-size: 14px;
            width: 200px;
            transition: all 0.3s;
        }
        
        .search-box input:focus {
            outline: none;
            border-color: #d32f2f;
            width: 240px;
        }
        
        .search-box i {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #888;
        }
        
        .user-info {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #555;
            font-size: 14px;
        }
        
        .user-info i {
            color: #d32f2f;
        }
        
        .logout-btn {
            color: #666;
            text-decoration: none;
            font-size: 13px;
            padding: 4px 10px;
            border-radius: 4px;
            transition: all 0.2s;
        }
        
        .logout-btn:hover {
            background-color: #f5f5f5;
            color: #d32f2f;
        }
        
        /* 主体内容 */
        .main-container {
            max-width: 1280px;
            margin: 20px auto;
            padding: 0 20px;
            display: flex;
            gap: 20px;
        }
        
        /* 左侧资讯区 */
        .left-content {
            flex: 7;
        }
        
        .news-container {
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            padding: 25px;
            margin-bottom: 20px;
        }
        
        .section-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
            color: #222;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .section-title i {
            color: #d32f2f;
        }
        
        .news-item {
            padding: 20px 0;
            border-bottom: 1px solid #f0f0f0;
            position: relative;
        }

        .news-item:nth-of-type(1) p, .news-item:nth-of-type(1) h3{
            color: red;
        }
        
        .news-item:last-child {
            border-bottom: none;
        }
        
        .news-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }
        
        .news-source {
            font-size: 12px;
            color: #d32f2f;
            font-weight: 500;
            background-color: #fdf1f1;
            padding: 2px 6px;
            border-radius: 6px;
        }
        
        .news-time {
            font-size: 16px;
            color: #888;
        }
        
        .news-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #222;
            line-height: 1.5;
        }
        
        .news-content {
            font-size: 14px;
            color: #555;
            margin-bottom: 12px;
            line-height: 1.6;
        }
        
        .news-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .news-source-tag {
            font-size: 13px;
            color: #888;
        }
        
        .action-buttons {
            display: flex;
            gap: 10px;
        }
        
        .btn {
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 13px;
            cursor: pointer;
            border: none;
            transition: all 0.2s;
            margin-top: 8px;
        }
        
        .btn-copy {
            background-color: #f5f5f5;
            color: #555;
        }
        
        .btn-copy:hover {
            background-color: #e9e9e9;
        }
        
        .btn-collect {
            background-color: #fff;
            color: #d32f2f;
            border: 1px solid #d32f2f;
        }
        
        .btn-collect:hover {
            background-color: #ffebee;
        }
        
        .btn-collected {
            background-color: #ffebee;
            color: #d32f2f;
            border: 1px solid #d32f2f;
        }
        
        /* 相似快讯区域 */
        .similar-section {
            margin-top: 15px;
            padding: 12px;
            background-color: #f9f9f9;
            border-radius: 6px;
            
        }
        
        .similar-summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
        }
        
        .similar-count {
            font-size: 13px;
            color: #666;
        }
        
        .expand-btn {
            background: none;
            border: none;
            color: #d32f2f;
            font-size: 13px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background-color 0.2s;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .expand-btn:hover {
            background-color: #ffebee;
        }
        
        .similar-list {
            display: none;
            padding-top: 10px;
            border-top: 1px dashed #e0e0e0;
        }
        
        .similar-list.show {
            display: block;
        }
        
        .similar-list-item {
            display: flex;
            align-items: center;
            padding: 8px 0;
            font-size: 13px;
            color: #555;
            border-bottom: 1px dashed #e0e0e0;
        }
        
        .similar-list-item:last-child {
            border-bottom: none;
        }
        
        .similar-item-source {
            color: #d32f2f;
            min-width: 60px;
            padding: 2px 6px;
            background-color: #ffebee;
            border-radius: 3px;
            font-size: 11px;
            text-align: center;
            margin-right: 10px;
        }
        
        .similar-item-time {
            color: #888;
            font-size: 12px;
            min-width: 50px;
            margin-right: 10px;
        }
        
        .new-badge {
            background-color: #d32f2f;
            color: white;
            font-size: 10px;
            padding: 1px 5px;
            border-radius: 3px;
            margin-left: 8px;
        }
        
        /* 加载动画 */
        .loading-spinner-small {
            display: inline-block;
            width: 12px;
            height: 12px;
            border: 2px solid #f3f3f3;
            border-top: 2px solid #d32f2f;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-right: 5px;
        }
        
        .similar-loading {
            text-align: center;
            padding: 10px 0;
            color: #888;
            font-size: 13px;
        }
        
        .no-similar-data {
            text-align: center;
            padding: 10px 0;
            color: #888;
            font-size: 13px;
        }
        
        /* 加载更多 */
        .load-more {
            text-align: center;
            padding: 20px;
            color: #888;
            font-size: 14px;
        }
        
        .loading-spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid #f3f3f3;
            border-top: 3px solid #d32f2f;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-right: 10px;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        /* 右侧侧边栏 */
        .right-sidebar {
            flex: 3;
        }
        
        .sidebar-card {
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            padding: 25px;
            margin-bottom: 20px;
        }
        
        .settings-section {
            margin-bottom: 25px;
        }
        
        .settings-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #222;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .settings-title i {
            color: #d32f2f;
        }
        
        .settings-options {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .setting-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 24px;
        }
        
        .switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
        
        .slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .4s;
            border-radius: 24px;
        }
        
        .slider:before {
            position: absolute;
            content: "";
            height: 18px;
            width: 18px;
            left: 3px;
            bottom: 3px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }
        
        input:checked + .slider {
            background-color: #d32f2f;
        }
        
        input:checked + .slider:before {
            transform: translateX(26px);
        }
        
        .voice-tips {
            background-color: #f9f9f9;
            border-left: 3px solid #d32f2f;
            padding: 12px 15px;
            font-size: 13px;
            color: #666;
            margin-top: 15px;
            line-height: 1.5;
        }
        
        .voice-tips a {
            color: #d32f2f;
            text-decoration: none;
        }
        
        .voice-tips a:hover {
            text-decoration: underline;
        }
        
        /* 页脚 */
        .footer {
            max-width: 1280px;
            margin: 40px auto 20px;
            padding: 0 20px;
            text-align: center;
            color: #888;
            font-size: 13px;
            border-top: 1px solid #eee;
            padding-top: 20px;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .main-container {
                flex-direction: column;
            }
            
            .nav-menu {
                display: none;
            }
            
            .search-box input {
                width: 150px;
            }
            
            .search-box input:focus {
                width: 180px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-container {
                padding: 0 15px;
            }
            
            .main-container {
                padding: 0 15px;
            }
            
            .news-container, .sidebar-card {
                padding: 20px;
            }
        }
        
        @media (max-width: 576px) {
            .logo span {
                display: none;
            }
            
            .right-section {
                gap: 10px;
            }
            
            .search-box input {
                width: 120px;
            }
            
            .similar-section {
                padding: 8px;
            }
        }