/* 留言板 — 广州祯安 */
body[data-page="liuyan"] .wrap{
  width:min(1320px,calc(100% - 40px));
}
.gb-layout{
  display:grid;
  grid-template-columns:minmax(280px,360px) minmax(0,1fr);
  gap:24px 28px;
  align-items:start;
}
.gb-side{position:sticky;top:96px}
.gb-main{min-width:0}
.gb-panel{border:1px solid var(--line);background:#fff;padding:16px 16px 18px}
.gb-panel h2{margin:0 0 6px;font-size:19px}
.gb-panel .hint{margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.55}
.gb-field{display:grid;gap:5px;margin:0 0 10px}
.gb-field label{font-size:13px;color:var(--muted)}
.gb-field input,.gb-field textarea{
  width:100%;border:1px solid var(--line-strong);background:#fff;color:var(--ink);
  padding:9px 11px;font:inherit;border-radius:0
}
.gb-field textarea{min-height:96px;resize:vertical;line-height:1.6}
.gb-check{display:flex;align-items:flex-start;gap:8px;margin:2px 0 10px;font-size:14px;color:var(--ink)}
.gb-check input{margin-top:3px}
.gb-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.gb-msg{margin:8px 0 0;font-size:13px;color:var(--muted);min-height:1.2em}
.gb-msg.is-err{color:#8b2e2e}
.gb-msg.is-ok{color:#1f5a3a}
.gb-list{
  display:grid;gap:8px;
  max-height:min(78vh,820px);
  overflow:auto;
  padding-right:2px;
}
.gb-item{
  display:block;border:1px solid var(--line);background:#fff;padding:12px 14px;
  text-decoration:none;color:inherit;cursor:pointer
}
.gb-item:hover{border-color:var(--navy)}
.gb-item.is-active{border-color:var(--navy);box-shadow:inset 3px 0 0 var(--navy)}
.gb-item h3{margin:0 0 4px;font-size:18px;color:var(--navy);line-height:1.35}
.gb-snippet{margin:6px 0 0;color:#3e4d5c;font-size:14px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.gb-meta{display:flex;flex-wrap:wrap;gap:6px 12px;margin:0;color:var(--muted);font-size:12px}
.gb-badge{
  display:inline-flex;align-items:center;min-height:20px;padding:0 7px;
  border:1px solid var(--line-strong);font-size:12px;letter-spacing:.02em;color:var(--muted);background:#f7f9fb
}
.gb-badge.host{
  border-color:var(--navy);background:var(--navy);color:#fff;font-weight:600
}
.gb-thread{border:1px solid var(--line);background:#fff;padding:18px 18px 20px}
.gb-thread-head{margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.gb-thread-head h2{margin:0 0 6px;font-size:24px}
.gb-body{margin:0;white-space:pre-wrap;line-height:1.75;color:var(--ink)}
.gb-replies{display:grid;gap:10px;margin:16px 0 0;padding-top:14px;border-top:1px solid var(--line)}
.gb-reply{padding:12px 12px 14px;border:1px solid var(--line);background:var(--paper)}
.gb-reply.is-host{background:#f3f6f9;border-color:#c5d0dc}
.gb-reply-top{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;margin-bottom:6px}
.gb-empty{padding:22px 14px;border:1px dashed var(--line-strong);color:var(--muted);text-align:center}
.gb-back{margin:0 0 10px}
.gb-back a{color:var(--navy);text-decoration:none;font-size:14px}
.gb-back a:hover{text-decoration:underline}
.gb-note{margin:14px 0 0;padding:10px 12px;border-left:2px solid var(--brass-line);background:var(--paper);color:#3e4d5c;font-size:13px;line-height:1.65}
.gb-list-head{margin-bottom:12px}
.gb-list-head h2{margin:0;font-size:22px}
@media(max-width:900px){
  body[data-page="liuyan"] .wrap{width:min(1320px,calc(100% - 32px))}
  .gb-layout{grid-template-columns:1fr;gap:18px}
  .gb-side{position:static}
  .gb-list{max-height:none}
}