:root {
    --main:#2d69c8;
    --light:#f0f7ff;
    --gray:#555;
    --border:#dce7f9;
}
.tool-container{
    max-width:1280px;
    margin:0 auto;
    padding:30px 20px;
    background:#fff;
}
.top-wrap{
    background:var(--light);
    border:1px solid var(--border);
    border-radius:10px;
    padding:22px;
    margin-bottom:20px;
}
.fl-title{
    font-size:24px;
    color:#222;
    text-align:center;
    margin:0 0 18px;
    font-weight:500;
}
.fl-search-wrap{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    justify-content:center;
    align-items:center;
    margin-bottom:18px;
}
#keyWord{
    width:280px;
    height:40px;
    border:1px solid var(--border);
    border-radius:5px;
    padding:0 12px;
    font-size:15px;
    outline:none;
}
#keyWord:focus{border-color:var(--main);}
.fl-select{
    height:40px;
    border:1px solid var(--border);
    border-radius:5px;
    padding:0 8px;
}
.btn{
    height:40px;
    padding:0 16px;
    border:none;
    border-radius:5px;
    cursor:pointer;
    font-size:14px;
}
.btn-search{background:var(--main);color:#fff;}
.btn-random{background:#527fa8;color:#fff;}

.key-classify{
    display:flex;
    flex-direction:column;
    gap:8px;
}
.class-item{
    display:flex;
    align-items:center;
}
.class-lab{
    width:110px;
    font-weight:bold;
    color:var(--main);
    font-size:14px;
    flex-shrink:0;
}
.key-group{
    display:flex;
    gap:6px;
    flex-wrap:wrap;
}
.key-item{
    padding:3px 11px;
    border:1px solid var(--border);
    border-radius:15px;
    cursor:pointer;
    color:var(--main);
    font-size:13px;
    background:#fff;
}
.key-item.active{
    background:var(--main);
    color:#fff;
    border-color:var(--main);
}
.key-item:hover:not(.active){background:#e8f1ff;}

.fl-stat{
    padding:10px 14px;
    background:#f8fafc;
    border-radius:5px;
    color:var(--gray);
    font-size:14px;
    margin-bottom:18px;
}
.fl-list{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(350px,1fr));
    gap:15px;
    margin-bottom:22px;
}
.fl-item{
    border:1px solid var(--border);
    border-radius:8px;
    padding:15px;
}
.fl-poem{
    font-size:16px;
    line-height:1.7;
    margin-bottom:8px;
}
.fl-poem em{
    color:var(--main);
    font-weight:bold;
    font-style:normal;
}
.fl-info{
    display:flex;
    justify-content:space-between;
    font-size:13px;
    color:#666;
    border-top:1px solid #eee;
    padding-top:8px;
}
.fl-opera span{
    color:var(--main);
    cursor:pointer;
}
.fl-page{
    display:flex;
    gap:6px;
    justify-content:center;
    margin:20px 0;
}
.page-btn{
    padding:6px 12px;
    border:1px solid var(--border);
    border-radius:4px;
    cursor:pointer;
    font-size:14px;
}
.page-btn.active{
    background:var(--main);
    color:#fff;
    border-color:var(--main);
}
.empty-tip{
    text-align:center;
    padding:40px 0;
    color:#999;
}
.fl-rule{
    background:var(--light);
    border:1px solid var(--border);
    border-radius:10px;
    padding:18px 22px;
    margin-top:35px;
}
.rule-title{
    font-size:20px;
    color:var(--main);
    font-weight:bold;
    margin-bottom:12px;
}
.rule-content p{
    margin:6px 0;
    font-size:14px;
    line-height:1.6;
    color:#333;
}
.fl-mask{display:none !important;}