/* 123问·工具站统一样式 v2 */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:#f5f7fa;color:#333;line-height:1.6;font-size:14px}
a{color:#3f51b5;text-decoration:none}
a:hover{color:#303f9f}
.tool-container{max-width:1100px;margin:0 auto;padding:0 16px}

/* 顶栏 */
.tool-topbar{background:#fff;border-bottom:1px solid #e8eaed;padding:14px 0;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.tool-topbar .tool-container{display:flex;align-items:center;justify-content:space-between}
.tool-logo{font-size:20px;font-weight:bold;color:#3f51b5;letter-spacing:1px}
.tool-nav{display:flex;gap:22px}
.tool-nav a{color:#555;font-size:14px;transition:color .2s}
.tool-nav a:hover{color:#3f51b5}

/* 面包屑 */
.tool-breadcrumb{background:#fff;padding:12px 0;border-bottom:1px solid #f0f2f5}
.tool-breadcrumb a,.tool-breadcrumb span{color:#888;font-size:13px;margin-right:6px}
.tool-breadcrumb .current{color:#333}

/* 主体 */
.tool-main{padding:28px 0}
.tool-title{text-align:center;margin-bottom:8px;font-size:26px;color:#222;font-weight:600}
.tool-subtitle{text-align:center;color:#888;margin-bottom:24px;font-size:14px}

/* 工具卡片 */
.tool-box{background:#fff;border-radius:8px;padding:28px;box-shadow:0 1px 4px rgba(0,0,0,.06);margin-bottom:24px}
.tool-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.tool-field{display:flex;flex-direction:column;gap:4px}
.tool-field label{font-size:13px;color:#666}
.tool-field input,.tool-field select{padding:9px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px;transition:border-color .2s}
.tool-field input:focus,.tool-field select:focus{outline:none;border-color:#3f51b5;box-shadow:0 0 0 2px rgba(63,81,181,.1)}
.tool-actions{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.btn{padding:10px 22px;border:none;border-radius:4px;font-size:14px;cursor:pointer;transition:all .2s}
.btn-primary{background:#3f51b5;color:#fff}
.btn-primary:hover{background:#303f9f}
.btn-secondary{background:#f5f5f5;color:#333}
.btn-secondary:hover{background:#e8e8e8}

/* 结果区 */
.tool-result{background:#f8f9fa;border-left:4px solid #3f51b5;border-radius:4px;padding:16px 20px;margin-top:20px;display:none}
.tool-result.show{display:block}
.tool-result h3{margin-bottom:8px;color:#3f51b5;font-size:16px}
.tool-result .row{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed #e0e0e0;font-size:14px}
.tool-result .row:last-child{border-bottom:none}
.tool-result .num{font-weight:bold;color:#d32f2f;font-family:"Courier New",monospace}
.tool-result .big{font-size:22px;color:#d32f2f;font-weight:bold;margin:8px 0}

/* 报表表格 */
.tool-table{width:100%;border-collapse:collapse;margin-top:16px;font-size:13px}
.tool-table th{background:#3f51b5;color:#fff;padding:8px 10px;text-align:left;font-weight:500}
.tool-table th:first-child{border-radius:4px 0 0 0}
.tool-table th:last-child{border-radius:0 4px 0 0}
.tool-table td{padding:7px 10px;border-bottom:1px solid #eee}
.tool-table tr:nth-child(even) td{background:#fafafa}
.tool-table tr:hover td{background:#f0f4ff}
.tool-table .num{font-family:"Courier New",monospace;color:#d32f2f;font-weight:bold}
.tool-table-wrap{max-height:400px;overflow-y:auto;border:1px solid #eee;border-radius:4px;margin-top:12px}

/* 文本工具 */
.tool-textarea{width:100%;min-height:180px;padding:12px;border:1px solid #ddd;border-radius:4px;font-family:inherit;font-size:14px;resize:vertical}
.tool-textarea:focus{outline:none;border-color:#3f51b5}
.tool-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-top:16px}
.tool-stat{background:#f8f9fa;padding:14px;border-radius:4px;text-align:center}
.tool-stat .v{font-size:22px;font-weight:bold;color:#3f51b5;display:block}
.tool-stat .l{font-size:12px;color:#888;margin-top:2px}

/* 标签页 */
.tool-tabs{display:flex;border-bottom:2px solid #e0e0e0;margin-bottom:16px}
.tool-tab{padding:8px 18px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;color:#666;font-size:14px;transition:all .2s}
.tool-tab.active{color:#3f51b5;border-bottom-color:#3f51b5;font-weight:600}
.tool-tab:hover{color:#3f51b5}
.tool-tab-content{display:none}
.tool-tab-content.active{display:block}

/* 通用 section */
.tool-section{padding:24px 0}
.tool-h2{font-size:20px;color:#222;margin-bottom:16px;padding-left:10px;border-left:4px solid #3f51b5}
.faq-item{background:#fff;border-radius:6px;margin-bottom:10px;padding:14px 18px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.faq-q{font-weight:600;color:#333;margin-bottom:6px;font-size:15px}
.faq-q:before{content:"Q";display:inline-block;background:#3f51b5;color:#fff;width:20px;height:20px;line-height:20px;text-align:center;border-radius:50%;font-size:12px;margin-right:8px;vertical-align:middle}
.faq-a{color:#666;font-size:14px;padding-left:28px}
.guide-content{background:#fff;padding:18px 22px;border-radius:6px;line-height:1.8;color:#555}
.guide-content h3{color:#333;margin:10px 0 6px}
.guide-content p{margin-bottom:8px}
.guide-content ul,.guide-content ol{padding-left:20px;margin-bottom:8px}

/* 相关推荐 */
.tool-related .tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.tool-card{background:#fff;padding:16px;border-radius:6px;box-shadow:0 1px 3px rgba(0,0,0,.05);transition:all .2s;display:block;color:#333}
.tool-card:hover{box-shadow:0 2px 8px rgba(0,0,0,.1);transform:translateY(-2px);color:#3f51b5}
.tool-card-icon{font-size:28px;display:block;margin-bottom:6px}
.tool-card .name{font-weight:600;margin-bottom:4px;font-size:15px}
.tool-card .desc{font-size:12px;color:#888;line-height:1.5}

/* 分享 */
.tool-share{padding:16px 0;text-align:center;border-top:1px solid #eee}
.tool-share span{color:#888;font-size:13px;margin-right:8px}
.tool-share a{display:inline-block;padding:4px 12px;background:#f5f7fa;border-radius:3px;font-size:13px;color:#555;margin:0 3px;transition:all .2s}
.tool-share a:hover{background:#3f51b5;color:#fff}

/* 工具首页 */
.tools-home{padding:20px 0}
.cate-section{margin-bottom:32px}
.cate-title{font-size:20px;color:#222;margin-bottom:14px;padding-left:10px;border-left:4px solid #3f51b5}
.cate-title .icon{margin-right:6px}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}

/* 图表容器 */
.chart-container{margin-top:16px;position:relative;height:300px}
.chart-container canvas{max-height:300px}

/* 进度条 */
.progress-bar{background:#e0e0e0;border-radius:10px;height:10px;overflow:hidden;margin:8px 0}
.progress-bar .fill{height:100%;border-radius:10px;transition:width .5s ease}
.progress-bar .fill.green{background:#43a047}
.progress-bar .fill.yellow{background:#fb8c00}
.progress-bar .fill.red{background:#d32f2f}
.progress-bar .fill.blue{background:#3f51b5}

/* 标签 */
.tag{display:inline-block;padding:2px 8px;border-radius:3px;font-size:12px;margin:2px}
.tag-green{background:#e8f5e9;color:#2e7d32}
.tag-yellow{background:#fff3e0;color:#e65100}
.tag-red{background:#ffebee;color:#c62828}
.tag-blue{background:#e8eaf6;color:#283593}

/* 页脚 */
.tool-footer{background:#fff;border-top:1px solid #e8eaed;padding:20px 0;text-align:center;color:#888;font-size:13px}
.tool-footer-links{margin-top:6px}
.tool-footer-links a{margin:0 8px;color:#888}
.tool-footer-links a:hover{color:#3f51b5}

/* 响应式 */
@media(max-width:640px){
    .tool-nav{display:none}
    .tool-box{padding:18px}
    .tool-title{font-size:22px}
    .tool-grid{grid-template-columns:1fr 1fr}
    .tool-related .tool-grid{grid-template-columns:1fr 1fr}
    .tool-table{font-size:12px}
    .tool-table th,.tool-table td{padding:5px 6px}
}