/* Koi 搜索发现页（W1）样式：强调色用深灰 #2b2f33（与 B2 选中态一致，品牌红仅留 logo），
   白底 / 浅灰边；深色模式 B2 用整页 invert，沿用浅色调即可一致。自带 koi-d- 前缀。 */
#koi-discovery{margin:0 0 14px;}
#koi-tag-channel{margin:0 0 14px;}

/* 标签频道 hero */
.koi-t-hero{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid #e3e5e8;border-radius:14px;padding:18px 22px;margin:0 0 16px;}
.koi-t-hero-main{flex:1;min-width:0;}
.koi-t-title{font-size:22px;font-weight:800;color:#1a1a1a;margin:0 0 6px;line-height:1.3;}
.koi-t-meta{font-size:13px;color:#8590a6;}
.koi-t-follow{flex:0 0 auto;border:1px solid #2b2f33;background:#2b2f33;color:#fff;border-radius:999px;padding:8px 22px;font-size:14px;font-weight:600;cursor:pointer;}
.koi-t-follow.on{background:#fff;color:#8590a6;border-color:#e3e5e8;}

/* 我的关注标签 / Tags 页重构 */
.koi-ft-sec{margin:0 0 22px;}
.koi-ft-title{font-size:17px;font-weight:700;color:#1a1a1a;margin:0 0 12px;}
.koi-ft-wrap{display:flex;flex-wrap:wrap;gap:8px;}
.koi-ft-hint{font-size:13px;color:#8590a6;}
/* 关注聚合瀑布：给独立容器补列宽（原生靠模板内联，这里自给），卡片内部仍原生 */
#koi-ft-list ul.b2_gap,#koi-fl-list ul.b2_gap{margin:0;padding:0;list-style:none;}
#koi-ft-list ul.b2_gap > li.grid-item,#koi-fl-list ul.b2_gap > li.grid-item{width:20%;float:none;}
#koi-ft-list ul.b2_gap > li.grid-item .item-in,#koi-fl-list ul.b2_gap > li.grid-item .item-in{margin:6px;}
@media(max-width:1400px){#koi-ft-list ul.b2_gap > li.grid-item,#koi-fl-list ul.b2_gap > li.grid-item{width:25%;}}
@media(max-width:1000px){#koi-ft-list ul.b2_gap > li.grid-item,#koi-fl-list ul.b2_gap > li.grid-item{width:33.3333%;}}
@media(max-width:680px){#koi-ft-list ul.b2_gap > li.grid-item,#koi-fl-list ul.b2_gap > li.grid-item{width:50%;}}
/* 我的关注：关注用户横排 */
.koi-fl-strip{margin:0 0 18px;}
.koi-fl-u{background:none;border:0;padding:0;cursor:pointer;font:inherit;}
.koi-fl-u .koi-d-avatar{border:2px solid transparent;}
.koi-fl-u.on .koi-d-avatar{border-color:#2b2f33;}
.koi-fl-u.on .koi-d-aname{color:#2b2f33;font-weight:700;}
.koi-fl-all{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:#f0f1f2;color:#39434c;font-size:13px;}
/* 关注标签红点（导航/入口） */
.koi-followed-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#FF3355;margin-left:4px;vertical-align:middle;}

/* 排序 + 筛选 */
.koi-d-sortbar{display:flex;align-items:center;gap:10px;margin:4px 0 14px;}
.koi-d-chips{display:flex;gap:8px;flex-wrap:wrap;flex:1;}
.koi-d-chip{border:1px solid #e3e5e8;background:#fff;color:#39434c;border-radius:999px;padding:6px 16px;font-size:13px;line-height:1.4;cursor:pointer;transition:.15s;}
.koi-d-chip:hover{border-color:#2b2f33;color:#2b2f33;}
.koi-d-chip.on{background:#2b2f33;color:#fff;border-color:#2b2f33;font-weight:600;}
.koi-d-filterbtn{display:inline-flex;align-items:center;gap:4px;border:1px solid #e3e5e8;background:#fff;color:#39434c;border-radius:999px;padding:6px 16px;font-size:13px;cursor:pointer;white-space:nowrap;}
.koi-d-filterbtn:hover{border-color:#2b2f33;color:#2b2f33;}
.koi-d-filterbtn.on{color:#2b2f33;border-color:#2b2f33;background:rgba(43,47,51,.06);font-weight:700;}

/* 相关 rail */
.koi-d-rail{margin:0 0 12px;}
.koi-d-railtitle{font-size:13px;font-weight:600;color:#8590a6;margin:0 0 8px;}
.koi-d-railrow{display:flex;gap:18px;overflow-x:auto;padding-bottom:6px;align-items:flex-start;}
.koi-d-railrow::-webkit-scrollbar{height:0;}
.koi-d-author{display:flex;flex-direction:column;align-items:center;width:56px;flex:0 0 auto;text-decoration:none;}
.koi-d-avatar{width:54px;height:54px;border-radius:50%;overflow:hidden;background:#f0f1f2;display:flex;align-items:center;justify-content:center;font-size:0;}
.koi-d-avatar img{width:100%;height:100%;object-fit:cover;}
.koi-d-aname{font-size:12px;color:#39434c;margin-top:6px;max-width:56px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;}
.koi-d-aname.v{color:#2b2f33;}
.koi-d-tagchip{flex:0 0 auto;border:1px solid #e3e5e8;background:#fff;border-radius:999px;padding:6px 14px;font-size:13px;color:#39434c;text-decoration:none;white-space:nowrap;}
.koi-d-tagchip:hover{border-color:#2b2f33;color:#2b2f33;}
.koi-d-card2{flex:0 0 auto;display:flex;align-items:center;gap:6px;max-width:200px;border:1px solid #e3e5e8;background:#fff;border-radius:10px;padding:8px 12px;font-size:13px;color:#39434c;text-decoration:none;}
.koi-d-card2:hover{border-color:#2b2f33;}
.koi-d-card2 em{font-style:normal;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 结果卡片注入原生 #post-list ul.b2_gap，完全沿用原生 CSS 排版，这里不覆盖。 */
.koi-d-status{}
.koi-d-loading,.koi-d-end{text-align:center;color:#8590a6;font-size:13px;padding:18px 0;}
.koi-d-empty{text-align:center;padding:48px 16px;color:#39434c;}
.koi-d-empty .koi-d-sub{font-size:13px;color:#8590a6;margin-top:6px;}

/* 未登录提示卡（触发 B2 前端登录弹窗） */
.koi-login-card{max-width:420px;margin:60px auto;background:#fff;border:1px solid #eef0f2;border-radius:18px;padding:40px 28px;text-align:center;box-shadow:0 6px 24px rgba(0,0,0,.05);}
.koi-login-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:#f3f4f6;color:#2b2f33;display:flex;align-items:center;justify-content:center;}
.koi-login-title{font-size:17px;font-weight:700;color:#1a1a1a;margin-bottom:8px;}
.koi-login-sub{font-size:13px;color:#8590a6;line-height:1.6;margin-bottom:24px;}
.koi-login-btn{border:0;background:#2b2f33;color:#fff;border-radius:999px;padding:11px 38px;font-size:15px;font-weight:600;cursor:pointer;transition:.15s;}
.koi-login-btn:hover{background:#1a1d20;}

/* 筛选弹窗 */
.koi-d-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:9998;}
.koi-d-sheet{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(420px,92vw);background:#fff;border-radius:14px;padding:20px;z-index:9999;box-shadow:0 12px 40px rgba(0,0,0,.18);}
.koi-d-sheet-h{font-size:16px;font-weight:700;color:#1a1a1a;margin-bottom:12px;}
.koi-d-toggle{display:flex;justify-content:space-between;align-items:center;padding:9px 0;font-size:14px;color:#39434c;}
.koi-d-toggle input{width:18px;height:18px;accent-color:#2b2f33;}
.koi-d-rangetitle{font-size:14px;font-weight:600;color:#1a1a1a;margin:12px 0 8px;}
.koi-d-ranges{display:flex;gap:8px;flex-wrap:wrap;}
.koi-d-range{border:1px solid #e3e5e8;background:#fff;color:#39434c;border-radius:999px;padding:6px 16px;font-size:13px;cursor:pointer;}
.koi-d-range.on{background:#2b2f33;color:#fff;border-color:#2b2f33;}
.koi-d-sheet-btns{display:flex;gap:12px;margin-top:20px;}
.koi-d-sheet-btns button{flex:1;border:1px solid #e3e5e8;background:#fff;color:#39434c;border-radius:10px;padding:10px;font-size:14px;cursor:pointer;}
.koi-d-sheet-btns button.primary{background:#2b2f33;color:#fff;border-color:#2b2f33;font-weight:600;}