/* ============================================================
 * 论坛（仿百度贴吧）样式
 *   吧广场 → 吧内帖子列表 → 帖子详情（楼层 + 楼中楼）
 *   配色跟随站点主题变量 --primary
 * ============================================================ */
.fm-wrap{max-width:1180px;margin:0 auto;padding:16px 14px 40px}

/* ---------------- 通用 ---------------- */
.fm-crumb{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-3);margin-bottom:12px;flex-wrap:wrap}
.fm-crumb a{color:var(--ink-3)}
.fm-crumb a:hover{color:var(--primary)}
.fm-crumb em{font-style:normal;color:var(--ink);max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fm-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:38px;padding:0 18px;border:0;border-radius:10px;background:var(--primary);color:#fff;font-size:14px;cursor:pointer;transition:.15s;white-space:nowrap}
.fm-btn:hover{filter:brightness(.94);color:#fff}
.fm-btn:disabled{opacity:.6;cursor:not-allowed}
.fm-btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink-2)}
.fm-btn.ghost:hover{border-color:var(--primary);color:var(--primary);filter:none}
.fm-btn.done{background:#eef1f6;color:var(--ink-3);border-color:transparent}
.fm-btn.sm{height:31px;padding:0 13px;font-size:12.5px;border-radius:8px}
.fm-btn.block{width:100%}
.fm-btn.light{background:#fff;color:var(--primary);border:1px solid #ffd0b3}
.fm-btn.light:hover{border-color:var(--primary);filter:none;background:#fff8f3}
/* 吧广场 hero 创建贴吧 */
.fm-hero-act{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}
.fm-hero-act .hint{font-size:12.5px;color:#a26a45}
/* 弹层表单 */
.fm-field{margin-bottom:14px}
.fm-field>label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px}
.fm-field>label i{color:#ff4d4f;font-style:normal}
.fm-field input,.fm-field textarea{display:block;width:100%;box-sizing:border-box;border:1px solid var(--line);border-radius:10px;padding:9px 13px;font-size:14px;color:#2f3439;outline:0;background:#fafbfd;font-family:inherit}
.fm-field input{height:40px;padding:0 13px}
.fm-field input:focus,.fm-field textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px var(--primary-shadow)}
.fm-field textarea{resize:vertical;line-height:1.6}
.fm-field.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fm-tag{display:inline-flex;align-items:center;height:19px;padding:0 6px;border-radius:4px;font-size:11px;font-weight:600;flex:0 0 auto;line-height:1}
.fm-tag.top{background:var(--primary);color:#fff}
.fm-tag.essence{background:#ffd666;color:#8a5a00}
.fm-tag.lock{background:#eef1f6;color:var(--ink-3)}
.fm-tag.new{background:#ffeaea;color:#e04b4b}
.fm-card{background:#fff;border:1px solid #f0f2f6;border-radius:14px;overflow:hidden}
.fm-empty{padding:40px 16px;text-align:center;color:var(--ink-3);font-size:13.5px}
.fm-pager{display:flex;justify-content:center;padding:18px 0}
.fm-pager .pagination{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.fm-pager .pagination li a,.fm-pager .pagination li span{display:block;min-width:34px;height:34px;line-height:32px;padding:0 10px;text-align:center;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:13px;color:var(--ink-2)}
.fm-pager .pagination li.active span{background:var(--primary);border-color:var(--primary);color:#fff}
.fm-pager .pagination li.disabled span{color:#c8cfd8;background:#fafbfd}

/* ---------------- 吧广场：头部 ---------------- */
.fm-hero{background:linear-gradient(120deg,#fff1e8 0%,#ffe4d4 42%,#ffd9c2 100%);border-radius:16px;padding:22px 24px;display:grid;grid-template-columns:1.5fr .9fr;gap:20px;align-items:center}
.fm-hero h1{margin:0 0 8px;font-size:25px;line-height:1.35;color:#3a2b23}
.fm-hero h1 em{font-style:normal;color:var(--primary)}
.fm-hero p{margin:0 0 14px;color:#8a6a58;font-size:13.5px;line-height:1.8}
.fm-hero-search{display:flex;gap:8px;max-width:460px}
.fm-hero-search input{flex:1;height:40px;border:1px solid #ffcdb4;border-radius:10px;padding:0 14px;font-size:14px;background:#fff}
.fm-hero-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-shadow)}
.fm-hero-search button{height:40px;padding:0 20px;border:0;border-radius:10px;background:var(--primary);color:#fff;font-size:14px;cursor:pointer}
.fm-hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.fm-hero-stats .it{background:rgba(255,255,255,.82);border-radius:12px;padding:11px 10px;text-align:center}
.fm-hero-stats .it b{display:block;font-size:19px;color:var(--primary);line-height:1.5}
.fm-hero-stats .it span{color:#8a6a58;font-size:12px}
.fm-notice{margin-top:14px;background:#fff;border:1px solid #f0f2f6;border-radius:14px;padding:12px 16px;display:flex;gap:10px;align-items:flex-start}
.fm-notice .ico{flex:0 0 auto;font-size:16px;line-height:1.6}
.fm-notice .txt{font-size:13px;color:var(--ink-2);line-height:1.9}
.fm-notice .txt p{margin:0}

/* ---------------- 吧广场：主体两栏 ---------------- */
.fm-main{display:grid;grid-template-columns:1fr 320px;gap:14px;margin-top:16px;align-items:start}
.fm-sec{margin-bottom:16px}
.fm-sec-head{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-bottom:1px solid #f4f6fa}
.fm-sec-head h3{margin:0;font-size:15px;color:#2f3439;display:flex;align-items:center;gap:8px}
.fm-sec-head h3:before{content:'';width:4px;height:15px;border-radius:2px;background:var(--primary)}
.fm-sec-head .more{font-size:12.5px;color:var(--ink-3)}
.fm-sec-head .more:hover{color:var(--primary)}
.fm-sec-body{padding:14px 16px}
.fm-cats{display:flex;flex-wrap:wrap;gap:8px;padding:12px 16px;border-bottom:1px solid #f4f6fa}
.fm-cats a{font-size:12.5px;color:var(--ink-2);background:#f5f7fa;border-radius:20px;padding:4px 13px}
.fm-cats a:hover{background:var(--primary-light);color:var(--primary)}

/* 吧卡片 */
.fm-forum-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(256px,1fr));gap:12px}
.fm-forum-card{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid #f0f2f6;border-radius:14px;padding:13px;transition:.15s}
.fm-forum-card:hover{border-color:#ffd0b8;box-shadow:0 8px 20px var(--primary-shadow);transform:translateY(-2px)}
.fm-forum-card .ico{width:52px;height:52px;flex:0 0 auto;border-radius:14px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:26px;overflow:hidden}
.fm-forum-card .ico img{width:100%;height:100%;object-fit:cover}
.fm-forum-card .m{flex:1;min-width:0}
.fm-forum-card .m b{display:block;font-size:15px;color:#2f3439;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fm-forum-card .m p{margin:4px 0 0;font-size:12.5px;color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fm-forum-card .m .st{margin-top:7px;display:flex;gap:12px;font-size:12px;color:#b3b9c4}
.fm-forum-card .m .st b{color:var(--primary);font-weight:600}

/* 侧栏榜单 */
.fm-rank{display:flex;flex-direction:column;gap:2px}
.fm-rank a{display:flex;align-items:center;gap:10px;padding:8px 6px;border-radius:8px;font-size:13.5px;color:var(--ink-2)}
.fm-rank a:hover{background:var(--primary-light);color:var(--primary)}
.fm-rank a .no{flex:0 0 20px;height:20px;line-height:20px;text-align:center;border-radius:5px;background:#f2f4f8;color:var(--ink-3);font-size:11.5px}
.fm-rank a:nth-child(1) .no{background:var(--primary);color:#fff}
.fm-rank a:nth-child(2) .no{background:#ffa06b;color:#fff}
.fm-rank a:nth-child(3) .no{background:#ffc9a8;color:#fff}
.fm-rank a .t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fm-rank a .h{color:var(--ink-3);font-size:12px;flex:0 0 auto}
.fm-side-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:14px 16px}
.fm-side-stats .it{background:#fafbfd;border-radius:10px;padding:10px;text-align:center}
.fm-side-stats .it b{display:block;font-size:17px;color:var(--primary)}
.fm-side-stats .it span{font-size:12px;color:var(--ink-3)}

/* ---------------- 吧内：吧头 ---------------- */
.fm-board-head{background:#fff;border:1px solid #f0f2f6;border-radius:16px;padding:18px 20px;display:flex;gap:16px;align-items:center;margin-bottom:14px}
.fm-board-head .ico{width:72px;height:72px;flex:0 0 auto;border-radius:18px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:36px;overflow:hidden}
.fm-board-head .ico img{width:100%;height:100%;object-fit:cover}
.fm-board-head .info{flex:1;min-width:0}
.fm-board-head .info h1{margin:0 0 6px;font-size:20px;color:#2f3439;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.fm-board-head .info p{margin:0;font-size:13px;color:var(--ink-3);line-height:1.7}
.fm-board-head .info .st{margin-top:8px;display:flex;gap:18px;font-size:12.5px;color:var(--ink-3);flex-wrap:wrap}
.fm-board-head .info .st b{color:var(--primary);font-size:14px}
.fm-board-head .act{flex:0 0 auto;display:flex;gap:8px;align-items:center}
.fm-board-notice{margin-bottom:14px;background:#fffbf2;border:1px solid #ffe6bb;border-radius:12px;padding:10px 14px;font-size:13px;color:#93670f;display:flex;gap:8px;align-items:flex-start}

/* 工具条 */
.fm-toolbar{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #f0f2f6;border-radius:14px;padding:10px 14px;margin-bottom:14px;flex-wrap:wrap}
.fm-tabs{display:flex;gap:4px}
.fm-tabs a{font-size:13.5px;color:var(--ink-2);padding:7px 14px;border-radius:9px}
.fm-tabs a:hover{background:var(--primary-light);color:var(--primary)}
.fm-tabs a.on{background:var(--primary);color:#fff;font-weight:600}
.fm-toolbar .sp{flex:1}
.fm-toolbar form{display:flex;gap:6px}
.fm-toolbar input[type=text]{height:34px;border:1px solid var(--line);border-radius:9px;padding:0 12px;font-size:13px;width:180px}
.fm-toolbar input[type=text]:focus{border-color:var(--primary)}

/* 帖子行 */
.fm-thread-list{background:#fff;border:1px solid #f0f2f6;border-radius:14px;overflow:hidden}
.fm-thread{display:flex;align-items:center;gap:12px;padding:13px 16px;border-bottom:1px solid #f4f6fa;transition:.12s}
.fm-thread:last-child{border-bottom:0}
.fm-thread:hover{background:#fffaf7}
.fm-thread .av{width:42px;height:42px;border-radius:50%;flex:0 0 auto;object-fit:cover;background:#f4f6fa}
.fm-thread .m{flex:1;min-width:0}
.fm-thread .m .t{display:flex;align-items:center;gap:6px;min-width:0}
.fm-thread .m .t b{font-size:15px;color:#2f3439;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fm-thread .m .t b:hover{color:var(--primary)}
.fm-thread .m .t .pics{flex:0 0 auto;font-size:12px;color:#b3b9c4}
.fm-thread .m .meta{margin-top:5px;font-size:12.5px;color:var(--ink-3);display:flex;gap:10px;flex-wrap:wrap}
.fm-thread .m .meta .nm{color:#7d8794}
.fm-thread .right{flex:0 0 auto;min-width:132px;text-align:right;font-size:12.5px;color:var(--ink-3);line-height:1.6}
.fm-thread .right b{color:var(--primary);font-size:13.5px}
.fm-thread .right .lt{display:flex;align-items:center;gap:6px;justify-content:flex-end;margin-top:3px}
.fm-thread .right .lt img{width:20px;height:20px;border-radius:50%}

/* ---------------- 帖子详情 ---------------- */
.fm-thread-head{background:#fff;border:1px solid #f0f2f6;border-radius:14px;padding:18px 20px;margin-bottom:14px}
.fm-thread-head h1{margin:0 0 10px;font-size:21px;line-height:1.45;color:#2f3439;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.fm-thread-head .meta{display:flex;gap:16px;font-size:12.5px;color:var(--ink-3);flex-wrap:wrap}
.fm-thread-main{background:#fff;border:1px solid #f0f2f6;border-radius:14px;overflow:hidden}
.fm-post{display:flex;gap:14px;padding:18px 20px;border-bottom:1px solid #f4f6fa}
.fm-post:last-child{border-bottom:0}
.fm-post.lz{background:#fffdfb}
.fm-post .side{width:132px;flex:0 0 auto;text-align:center}
.fm-post .side .av{width:56px;height:56px;border-radius:50%;margin:0 auto 8px;display:block;object-fit:cover;background:#f4f6fa}
.fm-post .side .nm{font-size:13.5px;color:#2f3439;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fm-post .side .lv{margin-top:5px;font-size:11.5px;color:#b3b9c4}
.fm-post .body{flex:1;min-width:0}
.fm-post .body .fl{float:right;font-size:12.5px;color:#b3b9c4;margin-left:10px}
.fm-post .body .txt{font-size:14.5px;line-height:1.95;color:#333;word-break:break-word;white-space:pre-wrap}
.fm-post .body .txt img{max-width:100%;border-radius:10px;margin:8px 0;display:block}
.fm-post .body .pics{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.fm-post .body .pics img{max-width:210px;max-height:210px;border-radius:10px;cursor:zoom-in;border:1px solid #f0f2f6}
.fm-post .body .ops{margin-top:12px;display:flex;gap:14px;font-size:12.5px;color:var(--ink-3);align-items:center;flex-wrap:wrap}
.fm-post .body .ops a,.fm-post .body .ops button{background:0;border:0;color:var(--ink-3);font-size:12.5px;cursor:pointer;padding:0;display:inline-flex;align-items:center;gap:4px}
.fm-post .body .ops a:hover,.fm-post .body .ops button:hover{color:var(--primary)}
.fm-post .body .ops .liked{color:var(--primary)}
.fm-post .body .time{font-size:12.5px;color:#b3b9c4;margin-top:6px}

/* 楼中楼 */
.fm-sub{margin-top:12px;background:#fafbfd;border:1px solid #f0f2f6;border-radius:10px;padding:4px 12px}
.fm-sub .it{padding:8px 0;font-size:13.5px;line-height:1.75;color:#4b5563;border-bottom:1px dashed #eef1f6;word-break:break-word}
.fm-sub .it:last-child{border-bottom:0}
.fm-sub .it b{color:#5b6470;font-weight:600}
.fm-sub .it .rb{font-size:12px;color:#b3b9c4;margin-left:8px}
.fm-sub .it .rb:hover{color:var(--primary)}
.fm-sub-more{font-size:12.5px;color:var(--ink-3);padding:8px 0;cursor:pointer}
.fm-sub-more:hover{color:var(--primary)}
.fm-sub-form{display:flex;gap:6px;padding:8px 0;border-top:1px dashed #eef1f6;margin-top:4px}
.fm-sub-form input{flex:1;height:32px;border:1px solid var(--line);border-radius:8px;padding:0 10px;font-size:13px}
.fm-sub-form input:focus{border-color:var(--primary)}

/* 回复编辑器 */
.fm-editor{background:#fff;border:1px solid #f0f2f6;border-radius:14px;padding:16px 18px;margin-top:14px}
.fm-editor h3{margin:0 0 12px;font-size:15px;color:#2f3439;display:flex;align-items:center;gap:8px}
.fm-editor h3:before{content:'';width:4px;height:15px;border-radius:2px;background:var(--primary)}
.fm-editor textarea{width:100%;min-height:110px;border:1px solid var(--line);border-radius:10px;padding:12px;font-size:14px;line-height:1.8;resize:vertical;font-family:inherit}
.fm-editor textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-shadow)}
.fm-editor input[type=text]{width:100%;height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font-size:14.5px;margin-bottom:10px}
.fm-editor input[type=text]:focus{border-color:var(--primary)}
.fm-editor .foot{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}
.fm-editor .foot .sp{flex:1}
.fm-editor .tip{font-size:12.5px;color:var(--ink-3)}
.fm-upload{display:inline-flex;align-items:center;gap:5px;height:34px;padding:0 14px;border:1px dashed var(--line);border-radius:9px;font-size:13px;color:var(--ink-2);cursor:pointer;background:#fafbfd}
.fm-upload:hover{border-color:var(--primary);color:var(--primary)}
.fm-thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.fm-thumbs .th{position:relative;width:74px;height:74px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.fm-thumbs .th img{width:100%;height:100%;object-fit:cover}
.fm-thumbs .th i{position:absolute;top:2px;right:2px;width:18px;height:18px;line-height:17px;text-align:center;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;font-size:12px;font-style:normal;cursor:pointer}

/* 弹层 */
.fm-modal-mask{position:fixed;inset:0;background:rgba(20,26,36,.5);display:none;align-items:flex-start;justify-content:center;z-index:900;padding:60px 16px 24px;overflow:auto}
.fm-modal-mask.show{display:flex}
.fm-modal{background:#fff;border-radius:16px;width:640px;max-width:100%;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.fm-modal.wide{width:820px}
.fm-modal .hd{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;border-bottom:1px solid #f4f6fa}
.fm-modal .hd b{font-size:16px;color:#2f3439}
.fm-modal .hd .x{background:0;border:0;font-size:20px;line-height:1;color:var(--ink-3);cursor:pointer}
.fm-modal .bd{padding:18px 20px}
.fm-modal .bd #fmThreadTitle{display:block;width:100%;box-sizing:border-box;height:42px;padding:0 14px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;color:#2f3439;outline:0;margin-bottom:12px;background:#fafbfd}
.fm-modal .bd #fmThreadTitle:focus{border-color:var(--primary);background:#fff}
.fm-editor{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.fm-editor #fmEditorToolbar{border-bottom:1px solid #eef0f4;background:#fafbfd}
.fm-modal .ft{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:0 20px 18px}
.fm-modal .ft .tip{font-size:12.5px;color:#8a919f}
/* 帖子详情富文本正文 */
.fm-rich img{max-width:100%;height:auto;border-radius:8px}
.fm-rich p{margin:0 0 10px;line-height:1.9}
.fm-rich blockquote{margin:10px 0;padding:8px 14px;border-left:3px solid var(--primary);background:#fafbfd;border-radius:0 8px 8px 0;color:#5a6270}
.fm-rich pre{background:#f5f6fa;padding:12px;border-radius:8px;overflow:auto;font-size:13px}
.fm-rich table{border-collapse:collapse}
.fm-rich table td,.fm-rich table th{border:1px solid var(--line);padding:6px 10px}
.fm-login-tip{background:var(--primary-light);border:1px solid #ffdcc4;border-radius:12px;padding:12px 16px;font-size:13.5px;color:#a1522a;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.fm-login-tip a{color:var(--primary);font-weight:600}

/* 图片预览 */
.fm-viewer{position:fixed;inset:0;background:rgba(0,0,0,.85);display:none;align-items:center;justify-content:center;z-index:1000;cursor:zoom-out}
.fm-viewer.show{display:flex}
.fm-viewer img{max-width:92vw;max-height:92vh;border-radius:6px}

/* 轻提示 */
.fm-toast{position:fixed;left:50%;top:80px;transform:translateX(-50%) translateY(-14px);background:rgba(30,36,48,.92);color:#fff;padding:10px 20px;border-radius:10px;font-size:13.5px;z-index:1100;opacity:0;transition:.22s;pointer-events:none;max-width:80vw}
.fm-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------------- 响应式 ---------------- */
@media (max-width:1000px){
  .fm-main{grid-template-columns:1fr}
  .fm-hero{grid-template-columns:1fr;padding:18px}
  .fm-hero h1{font-size:21px}
}
@media (max-width:720px){
  .fm-wrap{padding:12px 10px 32px}
  .fm-board-head{flex-wrap:wrap;padding:14px}
  .fm-board-head .ico{width:56px;height:56px;font-size:28px;border-radius:14px}
  .fm-board-head .info h1{font-size:17px}
  .fm-board-head .act{width:100%}
  .fm-board-head .act .fm-btn{flex:1}
  .fm-toolbar input[type=text]{width:120px}
  .fm-thread{padding:12px}
  .fm-thread .av{width:36px;height:36px}
  .fm-thread .m .t b{font-size:14px}
  .fm-thread .right{min-width:74px;font-size:12px}
  .fm-thread .right .lt{display:none}
  .fm-post{padding:14px 12px;gap:10px}
  .fm-post .side{width:62px}
  .fm-post .side .av{width:44px;height:44px}
  .fm-post .side .nm{font-size:12px}
  .fm-post .side .lv{font-size:11px;white-space:normal}
  .fm-post .body .txt{font-size:14px}
  .fm-forum-grid{grid-template-columns:1fr}
  .fm-hero-stats{grid-template-columns:repeat(2,1fr)}
  .fm-thread-head h1{font-size:17px}
  .fm-crumb em{max-width:200px}
}