:root {
    --primary-color: #409eff;
    --success-color: #67c23a;
    --warning-color: #e6a23c;
    --danger-color: #f56c6c;
    --info-color: #909399;
    --primary-bg: #ecf5ff;
    --border-color: #dcdfe6;
    --text-primary: #303133;
    --text-regular: #606266;
    --text-secondary: #909399;
    --text-placeholder: #c0c4cc;
    --background-color: #f5f7fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    text-align: center;
    padding: 30px 0;
    background: white;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}

.header h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.header p {
    font-size: 0.8rem;
    color: var(--text-regular);
}

.search-section {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.search-box input {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 20px; /* 圆角边框 */
    font-size: 16px;
    transition: box-shadow 0.3s, border-color 0.3s; /* 添加过渡效果 */
}

/* 搜索框聚焦时的样式 */
.search-box input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(64, 158, 255, 0.3);
    outline: none;
}

/* 查询按钮基础样式 */
.search-btn-desktop {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 20px; /* 圆角按钮 */
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s, transform 0.3s; /* 添加过渡效果 */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); /* 添加阴影效果 */
}

/* 查询按钮悬停效果 */
.search-box button:hover {
    background-color: #337ecc;
    transform: scale(1.05); /* 轻微放大效果 */
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.filter-group label {
    margin-right: 10px;
    color: var(--text-primary);
}

.filter-group select {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.slider-container {
    margin-bottom: 20px;
    /* 添加以下属性防止内容溢出 */
    width: 100%;
    box-sizing: border-box;
}

.slider-container label {
    display: block;
    margin-bottom: 5px; /* 减小与下方元素的间距 */
    color: var(--text-primary);
    font-weight: bold;
    text-align: left; /* 左对齐 */
}


.scale {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-top: 8px;
    /* 添加以下属性防止内容溢出 */
    box-sizing: border-box;
}

.scale span {
    font-size: 14px;
    color: var(--text-secondary);
    /* 添加以下属性防止内容溢出 */
    white-space: nowrap;
}

/* 新增滑块包装器样式 */
.slider-wrapper {
    width: 100%;
    padding: 0 12px; /* 为滑块拇指留出空间 */
    box-sizing: border-box;
}

.slider-track {
    position: relative;
    width: 100%;
    height: 6px;
    background-color: #e0e0e0; /* 浅灰色轨道 */
    border-radius: 3px;
    margin: 40px 0; /* 增加上下边距为滑块留出空间 */
    overflow: visible;
    box-sizing: content-box;
}

.slider-filled {
    position: absolute;
    height: 6px;
    top: 0;
    background-color: var(--primary-color);
    border-radius: 3px;
    z-index: 1;
    box-sizing: border-box;
}

.slider-input {
    position: absolute;
    width: 100%;
    height: 6px;
    top: 0;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    outline: none;
    z-index: 2;
    pointer-events: none;
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 2px solid var(--primary-color);
    cursor: pointer;
    pointer-events: auto;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.2s;
    box-sizing: border-box;
    /* 滑块垂直居中于轨道 */
    top: 50%;
    transform: translateY(-50%);
}

.slider-input::-webkit-slider-thumb:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.25);
    background-color: #f0f7ff;
    border-color: #337ecc;
}

.slider-input::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 2px solid var(--primary-color);
    cursor: pointer;
    pointer-events: auto;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    /* 垂直居中 */
    margin-top: -9px;
}

.current-value {
    text-align: center;
    margin-top: -10px;
    margin-bottom: 10px; /* 减小底部间距 */
    padding: 10px;
    background-color: var(--background-color);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    /* 添加以下属性防止内容溢出 */
    box-sizing: border-box;
    width: 100%;
}

.current-value p {
    font-size: 16px;
    color: var(--text-primary);
}

.current-value span {
    font-weight: 600;
    color: var(--primary-color);
}

.range-inputs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.range-inputs input[type="number"] {
    width: 80px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: center;
}

.results-section {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}

.loading {
    text-align: center;
    padding: 50px 0;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.results-container {
    display: grid;
    gap: 20px;
    overflow: hidden; /* 防止容器溢出 */
    word-wrap: break-word;
}

.results-list {
    display: grid;
    gap: 20px;
}

.journal-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: box-shadow 0.3s;
    overflow: hidden; /* 防止内容溢出卡片 */
    word-wrap: break-word;
}

.journal-card:hover {
    box-shadow: 0 4px 16px 0 rgba(64, 158, 255, 0.2);
}

.journal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    gap: 15px;
}

.journal-header > div:first-child {
    flex: 1;
    min-width: 0; /* 允许收缩 */
}

.journal-name {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-primary);
    /* 防止长标题溢出 */
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    max-width: 100%;
    line-height: 1.4;
}

.journal-name-cn {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 5px;
}

.journal-issn {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.confidence {
    background-color: var(--primary-bg);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
}

/* 高置信度 - 绿色 */
.confidence.high {
    background-color: #f0f9eb;
    color: #67c23a;
}

/* 中置信度 - 蓝色 */
.confidence.medium {
    background-color: #ecf5ff;
    color: #409eff;
}

/* 低置信度 - 橙色 */
.confidence.low {
    background-color: #fdf6ec;
    color: var(--warning-color);
}

.tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.tag {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.tag-primary {
    background-color: var(--primary-bg);
    color: var(--primary-color);
}

.tag-success {
    background-color: #f0f9eb;
    color: var(--success-color);
}

.tag-warning {
    background-color: #fdf6ec;
    color: var(--warning-color);
}

.tag-danger {
    background-color: #fef0f0;
    color: var(--danger-color);
}

.journal-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.detail-value {
    font-weight: bold;
}

.journal-description {
    margin-bottom: 15px;
    color: var(--text-regular);
}

.warning-banner {
    background-color: #fdf6ec;
    border-left: 4px solid var(--warning-color);
    padding: 10px;
    margin-bottom: 15px;
}

.warning-banner.danger {
    background-color: #fef0f0;
    border-left-color: var(--danger-color);
}

.submit-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

.submit-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .filters {
        flex-direction: column;
        gap: 15px;
    }
    
    .slider-controls {
        flex-wrap: wrap;
    }
    
    .journal-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .journal-header > div:first-child {
        flex: 1;
        min-width: 0;
        width: 100%;
    }
    
    /* 在小屏幕设备上调整搜索区域布局 */
    .search-section {
        display: flex;
        flex-direction: column;
    }
    
    /* 重新排列搜索区域元素 */
    .search-box {
        order: 1;
    }
    
    .filters {
        order: 2;
    }
    
    .slider-container {
        order: 3;
    }
	.search-btn-desktop{
		display:none;
	
	}
    
    /* 在小屏幕设备上显示额外的搜索按钮 */
    .search-button-mobile {
        display: block !important;
        order: 4;
        margin-top: 15px;
    }
    
    /* 移动端长标题优化 */
    .journal-name {
        font-size: 1.1rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .journal-name-cn {
        font-size: 0.85rem;
    }
    
    .search-button-mobile button {
        width: 100%;
        padding: 12px;
        background-color: var(--primary-color);
        color: white;
        border: none;
        border-radius: 4px;
        cursor: pointer;
        font-size: 16px;
    }
    
    .search-button-mobile button:hover {
        background-color: #337ecc;
    }
}
    .history-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .history-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .search-box {
            margin-bottom: 20px;
            display: flex;
            gap: 10px;
        }
        
        .search-box input {
            flex: 1;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }
        
        .search-box button {
            padding: 10px 20px;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        
        .search-box button:hover {
            background-color: #0056b3;
        }
        
        .history-list {
            display: grid;
            gap: 15px;
        }
        
        .history-item {
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 15px;
            background-color: #fff;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .history-item-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            /* 防止在小屏幕上换行 */
            flex-wrap: nowrap;
        }
        
        .journal-info {
            flex: 1;
            min-width: 0; /* 允许收缩 */
        }
        
        .journal-metrics {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0; /* 不允许收缩 */
            margin-left: 10px;
        }
        
        .journal-name {
            font-size: 18px;
            font-weight: bold;
            color: #333;
            /* 防止期刊名称过长导致换行 */
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .journal-name-en {
            font-size: 16px;
            color: #666;
            margin-top: 5px;
            /* 英文名允许换行 */
            word-break: break-word;
        }
        
        .impact-factor {
            font-weight: bold;
            color: #28a745;
            /* 防止单独换行 */
            white-space: nowrap;
        }
        
        .difficulty {
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: bold;
            /* 防止单独换行 */
            white-space: nowrap;
            display: inline-block;
            width: fit-content;
            text-align: center;
            min-width: 40px;
            max-width: 60px;
        }
        
        .difficulty-simple {
            background-color: #d4edda;
            color: #155724;
        }
        
        .difficulty-medium {
            background-color: #fff3cd;
            color: #856404;
        }
        
        .difficulty-hard {
            background-color: #f8d7da;
            color: #721c24;
        }
        
        .journal-details {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 10px;
            margin-top: 10px;
        }
        
        .detail-item {
            margin-bottom: 8px;
        }
        
        .detail-label {
            font-weight: bold;
            color: #555;
        }
        
        /* 为查询时间添加特殊样式 */
        .query-time {
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px dashed #eee;
            font-size: 12px;
            color: #888;
            /* 保持在一行显示 */
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .search-criteria {
            background-color: #f8f9fa;
            border-left: 3px solid #007bff;
            padding: 10px;
            margin-top: 10px;
        }
        
        .no-history {
            text-align: center;
            padding: 40px;
            color: #666;
        }
        
        .back-link {
            display: inline-block;
            margin-bottom: 20px;
            color: #007bff;
            text-decoration: none;
        }
        
        .back-link:hover {
            text-decoration: underline;
        }
        
        .error {
            background-color: #f8d7da;
            color: #721c24;
            padding: 1rem;
            border-radius: 6px;
            margin: 1rem 0;
            border: 1px solid #f5c6cb;
        }
        
        .loading {
            text-align: center;
            padding: 2rem;
            color: #666;
        }
        
        /* 修改投稿链接按钮样式 */
        .submit-button {
            display: inline-block;
            padding: 6px 12px;
            background-color: #28a745;
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-size: 14px;
            border: none;
            cursor: pointer;
            /* 改回58px宽度 */
            width: 58px;
            /* 确保文字居中 */
            text-align: center;
            /* 垂直居中对齐 */
            line-height: 1.2;
        }
        
        .submit-button:hover {
            background-color: #218838;
        }
        
        @media (max-width: 768px) {
            .history-container {
                padding: 10px;
            }
            
            .history-item-header {
                flex-direction: row;
                align-items: flex-start;
            }
            
            .journal-name {
                font-size: 16px;
            }
            
            .journal-name-en {
                font-size: 14px;
            }
            
            .journal-metrics {
                flex-shrink: 0;
            }
        }
        
        @media (max-width: 480px) {
            .history-item-header {
                flex-wrap: nowrap;
            }
            
            .journal-info {
                flex: 1;
                min-width: 0;
            }
            
            .journal-name {
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
            }
        }