:root{
  --bg:#f5f7fb; --card:#fff; --line:#e8ecf3; --text:#1f2733; --muted:#8a93a3;
  --primary:#2f6bff; --primary-d:#1f53d6; --ok:#16a34a; --no:#e2583c;
  --shadow:0 2px 12px rgba(31,39,51,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{color:inherit;text-decoration:none}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:58px}
.brand{font-weight:800;font-size:18px;letter-spacing:.3px}
.brand span{color:var(--primary);font-weight:600}
.nav{display:flex;align-items:center;gap:10px}
.who{color:var(--muted);font-size:13px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border-radius:9px;
  border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer;font-size:13px;transition:.15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:#fff}
.btn-danger{background:#fff;color:var(--no);border-color:#f3c4ba}
.btn-danger:hover{background:#fff1ee}
.btn-lg{padding:11px 22px;font-size:15px;width:100%}

main.wrap{padding-top:22px;padding-bottom:40px}
.form-page{max-width:680px}
h1{font-size:22px;margin:6px 0 18px}

/* 筛选 */
.filters{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:16px}
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tabs a{padding:7px 13px;border-radius:20px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px}
.tabs a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.tabs a em{font-style:normal;font-weight:700;margin-left:3px;opacity:.85}
.search{display:flex;gap:8px;align-items:center}
.search input[type=text]{padding:8px 11px;border:1px solid var(--line);border-radius:8px;width:170px}
.search select{padding:8px 9px;border:1px solid var(--line);border-radius:8px;background:#fff}

/* 表格 */
.table-card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.rec-table{width:100%;border-collapse:collapse}
.rec-table th,.rec-table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:13.5px}
.rec-table th{background:#fafbfe;color:var(--muted);font-weight:600;font-size:12.5px}
.rec-table tbody tr{cursor:pointer;transition:.12s}
.rec-table tbody tr:hover{background:#f6f9ff}
.rec-table tbody tr:last-child td{border-bottom:none}
.t-title{font-weight:600;color:var(--text)}
.t-muted{color:var(--muted)}
.ic{font-size:11px;color:var(--muted);margin-left:6px;background:#f0f3f9;border-radius:6px;padding:1px 6px}
.tag{display:inline-block;padding:3px 9px;border-radius:7px;font-size:12px;font-weight:600}
.tag-suggestion{background:#e7f1ff;color:#2f6bff}
.tag-problem{background:#fff3e0;color:#d98300}
.tag-bug{background:#ffe9e6;color:#e2583c}
.ok{color:var(--ok);font-weight:600}
.no{color:var(--no);font-weight:600}

.empty{text-align:center;padding:60px 20px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:14px}
.pager{display:flex;gap:6px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.pager a{padding:6px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted)}
.pager a.active{background:var(--primary);color:#fff;border-color:var(--primary)}

.foot{text-align:center;color:var(--muted);font-size:12.5px;padding:30px 0 24px}

/* 详情 */
.detail .back{display:inline-block;color:var(--muted);margin:8px 0 14px;font-size:13px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:22px}
.d-head h1{margin:0 0 12px;font-size:21px}
.meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:13px;align-items:center}
.meta .m{font-size:13px}
.d-body{margin:18px 0;white-space:pre-wrap;word-break:break-word;font-size:14.5px;line-height:1.8}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:16px 0}
.gallery img{width:100%;height:150px;object-fit:cover;border-radius:10px;border:1px solid var(--line);cursor:zoom-in}
.d-actions{margin-top:8px}
.replies{margin-top:22px}
.replies h2,.admin-box h2{font-size:16px;margin:0 0 12px}
.reply{background:#fff;border:1px solid var(--line);border-radius:11px;padding:13px 15px;margin-bottom:10px}
.r-head{display:flex;gap:10px;align-items:center;margin-bottom:5px}
.r-head b{color:var(--primary)}
.r-body{white-space:pre-wrap;word-break:break-word}
.muted{color:var(--muted)}

.admin-box{margin-top:22px;background:#fbfcff;border:1px solid #e2e9f7;border-radius:14px;padding:18px}
.ar-form textarea,.ar-row select{width:100%;padding:10px;border:1px solid var(--line);border-radius:9px;font-family:inherit;margin-bottom:10px}
.ar-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-top:6px}
.ar-row label{font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:4px}
.ar-row select{padding:8px 10px;margin:0}

/* 表单 */
.post-form label{display:block;font-weight:600;margin-bottom:16px;font-size:13.5px}
.post-form input[type=text],.post-form input[type=password],.post-form select,.post-form textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;margin-top:7px;font-family:inherit;font-size:14px;font-weight:400}
.post-form textarea{resize:vertical}
.row2{display:flex;gap:16px}.row2 label{flex:1}
.preview{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.preview img{width:74px;height:74px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.alert{background:#fff1ee;color:var(--no);padding:11px 14px;border-radius:10px;margin-bottom:16px;font-size:13.5px;border:1px solid #f3c4ba}
.stats{display:flex;gap:12px;margin-bottom:16px}
.stat{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center;box-shadow:var(--shadow)}
.stat b{display:block;font-size:22px;margin-top:4px}
.ops a{color:var(--primary);font-weight:600}

/* 弹层 */
.modal{position:fixed;inset:0;background:rgba(20,28,40,.5);display:none;align-items:center;justify-content:center;z-index:50;padding:16px}
.modal.show{display:flex}
.modal-box{background:#fff;border-radius:16px;padding:22px;max-width:380px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal-box h3{margin:0 0 6px}
.share-link{display:flex;gap:8px;margin:14px 0}
.share-link input{flex:1;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:12.5px;background:#f6f8fc}
.qr{display:flex;justify-content:center;padding:6px 0 4px}
.qr img,.qr canvas{border-radius:8px}
.modal-actions{display:flex;gap:8px;margin-top:10px}
.modal-actions .btn{flex:1}
.note{font-size:11.5px;color:var(--muted);margin:12px 0 0;line-height:1.5}

@media(max-width:560px){
  .row2{flex-direction:column;gap:0}
  .search input[type=text]{width:120px}
  .filters{justify-content:flex-start}
}

/* 客服 QQ 浮窗 */
.qq-float{position:fixed;right:18px;bottom:24px;z-index:60;width:56px;height:56px;border-radius:50%;
  background:#12b7f5;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(18,183,245,.45);transition:.15s}
.qq-float:hover{transform:translateY(-2px);background:#0aa0db}
.qq-float svg{width:26px;height:26px}
.qq-float span{font-size:11px;margin-top:1px;line-height:1}
@media(max-width:560px){.qq-float{width:50px;height:50px;right:12px;bottom:16px}}

/* 管理员修改发布内容 */
.edit-rec{margin-top:14px;border-top:1px dashed var(--line);padding-top:12px}
.edit-rec summary{cursor:pointer;font-weight:600;color:var(--primary);margin-bottom:10px}
.edit-rec label{display:block;font-weight:600;font-size:13px;margin-bottom:12px}
.edit-rec input,.edit-rec select,.edit-rec textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;margin-top:6px;font-family:inherit;font-weight:400}

/* 后台设置 */
.settings{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.settings h2{font-size:16px;margin:0 0 12px}
.settings label{display:block;font-weight:600;font-size:13px;margin-bottom:14px}
.settings input[type=text],.settings textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;margin-top:6px;font-family:inherit;font-weight:400}
.settings textarea{resize:vertical}