/* 从 community.html 抽离的页面级样式（按原文档顺序合并）。
   修改后无需手动改版本号——asset() 会按内容生成指纹。 */

/* ds.css 已引入完整 token */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{font-family:var(--font-sans);background:var(--bg);color:var(--tx);font-size:14px}
a{text-decoration:none;color:inherit}
img{max-width:100%}
/* ── Nav ── */
.site-nav{background:var(--navy-glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);position:sticky;top:0;z-index:300;box-shadow:var(--sh-nav)}
.site-nav-inner{max-width:var(--container);margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;height:var(--nav-h)}
.site-nav-logo{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:16px;text-decoration:none;flex-shrink:0}
.site-nav-logo img{width:28px;height:28px;border-radius:7px;object-fit:contain}
.site-nav-links{display:flex;align-items:center;gap:2px;flex:1;margin:0 16px;overflow:hidden;flex-wrap:nowrap}
.site-nav-links a{color:rgba(255,255,255,.75);padding:6px 11px;border-radius:6px;font-size:13px;white-space:nowrap;transition:.15s;text-decoration:none}
.site-nav-links a:hover,.site-nav-links a.active{color:#fff;background:rgba(255,255,255,.12)}
.site-nav-links a.hl,.site-nav-links a.factory-link{color:#ffd54f;font-weight:700}
.site-nav-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.site-nav-right a{color:rgba(255,255,255,.75);font-size:12px;padding:3px 8px;border-radius:4px;transition:.15s;text-decoration:none}
.site-nav-right a:hover{color:#fff}
.btn-pub-nav{background:linear-gradient(135deg,#f57c00,#ff9800)!important;color:#fff!important;padding:7px 16px!important;border-radius:20px!important;font-weight:700!important;font-size:13px!important;white-space:nowrap;display:inline-block}
.mob-header{display:none;background:rgba(10,30,70,.95);backdrop-filter:blur(12px);padding:10px 16px;position:sticky;top:0;z-index:300;justify-content:space-between;align-items:center}
.mob-logo{display:flex;align-items:center;gap:7px;color:#fff;font-weight:700;font-size:16px;flex:1}
.mob-logo img{width:28px;height:28px;border-radius:6px;object-fit:contain}
.mob-pub-btn{background:linear-gradient(135deg,#f57c00,#ff9800);color:#fff;padding:7px 14px;border-radius:20px;font-size:12px;font-weight:700;text-decoration:none;white-space:nowrap}
@media(max-width:899px){.site-nav{display:none}.mob-header{display:flex}}
.mob-nav{display:none}
@media(max-width:899px){
  .mob-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:300;background:#fff;border-top:1px solid #e2e8f0;box-shadow:0 -2px 12px rgba(0,0,0,.1)}
  .mob-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6px 2px 8px;font-size:9px;color:#64748b;text-decoration:none;gap:2px;min-height:48px;transition:.15s}
  .mob-nav a:hover,.mob-nav a.active{color:var(--p)}
  .mob-nav a .mn-icon{font-size:22px;line-height:1;display:block}
  .mob-nav a.pub-btn{color:#fff;background:linear-gradient(135deg,#f57c00,#ff9800);border-radius:14px 14px 0 0;margin:0 6px;font-weight:700;box-shadow:0 -3px 14px rgba(245,124,0,.28)}
  body{padding-bottom:60px}
}
@media(min-width:900px){body{padding-bottom:0}}
.footer{text-align:center;color:var(--mu);font-size:12px;padding:28px 16px 20px;border-top:1px solid var(--bd);margin-top:8px;background:var(--wh)}
.footer a{color:var(--mu);margin:0 6px;transition:.15s}
.footer a:hover{color:var(--p)}
.lang-btn{background:rgba(255,255,255,.15);color:#fff;border:1.5px solid rgba(255,255,255,.4);padding:5px 12px;border-radius:14px;font-size:12px;font-weight:700;cursor:pointer;transition:.2s;letter-spacing:.5px;font-family:inherit}
.lang-btn:hover{background:rgba(255,255,255,.28)}

/* ── Group Cover ── */
.group-cover{width:100%;height:220px;background:linear-gradient(135deg,#0a1e46 0%,#1a6fc4 50%,#0ea5e9 100%);position:relative;overflow:hidden;background-size:cover;background-position:center}
.group-cover-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,transparent 40%,rgba(10,30,70,.7))}
@media(max-width:640px){.group-cover{height:140px}}

/* ── Group Header ── */
.group-header-wrap{background:var(--wh);box-shadow:0 2px 8px rgba(0,0,0,.07);margin-bottom:0}
.group-header{max-width:1100px;margin:0 auto;padding:0 20px}
/* 与下方 .comm-wrap 移动端左右间距(12px)保持一致，避免头区与信息流错位 */
@media(max-width:820px){.group-header{padding:0 12px}}
.group-identity{display:flex;align-items:flex-end;gap:16px;padding:16px 0 14px;flex-wrap:wrap}
.group-icon{width:80px;height:80px;border-radius:16px;background:linear-gradient(135deg,#1a6fc4,#0ea5e9);display:flex;align-items:center;justify-content:center;font-size:38px;border:4px solid #fff;box-shadow:0 4px 14px rgba(0,0,0,.15);flex-shrink:0;margin-top:-40px;position:relative;z-index:1}
@media(max-width:640px){.group-icon{width:60px;height:60px;font-size:28px;margin-top:-30px}}
.group-info{flex:1;min-width:0}
.group-name{font-size:22px;font-weight:800;color:var(--tx);margin-bottom:4px}
@media(max-width:640px){.group-name{font-size:17px}}
.group-meta{font-size:13px;color:var(--mu);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.group-meta-item{display:flex;align-items:center;gap:4px}
.group-actions{display:flex;gap:8px;flex-shrink:0;align-items:center;margin-left:auto}
@media(max-width:640px){.group-actions{width:100%;justify-content:flex-end}}
.btn-action{padding:8px 18px;border-radius:8px;font-size:13px;font-weight:600;border:none;cursor:pointer;font-family:inherit;display:flex;align-items:center;gap:5px;text-decoration:none;transition:.15s}
.btn-primary{background:var(--p);color:#fff}.btn-primary:hover{background:var(--pd)}
.btn-orange{background:#f57c00;color:#fff}.btn-orange:hover{background:#e65c00}
.btn-outline{background:#fff;color:var(--tx);border:1.5px solid var(--bd)}.btn-outline:hover{border-color:var(--p);color:var(--p)}

/* ── Topic Tabs ── */
.tabs-outer{position:relative;border-top:1px solid var(--bd)}
.topic-tabs-wrap{display:block;width:100%;overflow-x:auto;overflow-y:visible;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.topic-tabs-wrap::-webkit-scrollbar{display:none}
.topic-tabs{display:flex;padding:0 4px;gap:0;width:max-content;min-width:100%}
.topic-tab{padding:12px 16px;font-size:14px;font-weight:500;color:var(--mu);border-bottom:3px solid transparent;transition:.15s;cursor:pointer;text-decoration:none;display:flex;align-items:center;gap:5px;white-space:nowrap;flex-shrink:0}
.topic-tab:hover{color:var(--p);background:#f8fafc}
.topic-tab.active{color:var(--p);border-bottom-color:var(--p);font-weight:700}
.topic-dropdown{display:none;padding:10px 12px;border-top:1px solid var(--bd);background:#f8fbff}
.topic-dropdown select{width:100%;border:1.5px solid #cfe0f2;border-radius:10px;padding:10px 12px;font-size:14px;font-family:inherit;color:#1e3a5f;background:#fff}
@media(max-width:640px){.topic-tab{padding:10px 12px;font-size:13px}}
/* Tab scroll arrows — desktop only */
.tab-arrow{display:none;position:absolute;top:0;bottom:0;width:44px;border:none;cursor:pointer;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:var(--p);background:transparent;padding:0;z-index:2;transition:opacity .2s}
.tab-arrow-left{left:0;background:linear-gradient(to right,#fff 55%,transparent)}
.tab-arrow-right{right:0;background:linear-gradient(to left,#fff 55%,transparent)}
@media(min-width:641px){.tab-arrow.show{display:flex}}
@media(max-width:640px){
  .topic-tabs-wrap,.tab-arrow{display:none!important}
  .topic-dropdown{display:block}
}
@media(min-width:821px){.tabs-outer{display:none}}

.announcement-wrap{display:none;background:var(--wh);border-radius:12px;box-shadow:var(--shadow);padding:12px 14px;margin-bottom:12px;border-left:4px solid #1a6fc4}
.announcement-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.announcement-title{font-size:13px;font-weight:800;color:#1a6fc4}
.announcement-list{display:flex;flex-direction:column;gap:6px}
.announcement-item{display:flex;align-items:flex-start;gap:8px;padding:7px 0;border-top:1px dashed #e2e8f0}
.announcement-item:first-child{border-top:none;padding-top:0}
.announcement-badge{font-size:10px;color:#b45309;background:#fff7ed;border:1px solid #fdba74;border-radius:999px;padding:1px 6px;line-height:1.5;flex-shrink:0}
.announcement-item a{font-size:13px;line-height:1.45;color:#1e293b;text-decoration:none}
.announcement-item a:hover{color:var(--p)}
@media(min-width:821px){.announcement-wrap{display:block}}

/* ── Main layout ── */
.comm-wrap{max-width:1100px;margin:18px auto;padding:0 20px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;align-items:start}
/* 网格子项默认 min-width:auto，帖子里的长链接会把列撑到比屏幕宽，
   造成信息流区域超出视口、与顶部社群头区宽度错位，必须显式归零 */
.comm-wrap>*{min-width:0}
@media(max-width:820px){.comm-wrap{grid-template-columns:minmax(0,1fr);padding:0 12px}}

/* ── Write Box ── */
.write-box{background:var(--wh);border-radius:12px;box-shadow:var(--shadow);padding:14px 18px;margin-bottom:14px;display:flex;align-items:center;gap:12px}
.write-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--p),#0ea5e9);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:700;flex-shrink:0;overflow:hidden}
.write-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.write-input{flex:1;padding:10px 16px;border-radius:24px;border:1.5px solid var(--bd);background:#f8fafc;font-size:14px;font-family:inherit;color:var(--mu);cursor:pointer;outline:none;transition:.2s;text-align:left}
.write-input:hover{border-color:var(--p);background:#fff}

/* ── Feed Toolbar (排序 + 搜索) ── */
.feed-toolbar{background:var(--wh);border-radius:12px;box-shadow:var(--shadow);padding:8px 12px;margin-bottom:12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sort-tabs{display:flex;gap:4px}
.sort-tab{padding:6px 14px;border-radius:18px;font-size:13px;font-weight:600;color:var(--mu);text-decoration:none;transition:.15s;white-space:nowrap}
.sort-tab:hover{background:#f1f5f9;color:var(--p)}
.sort-tab.active{background:var(--pl);color:var(--p)}
.comm-search{flex:1;min-width:160px;display:flex;margin-left:auto}
.comm-search input{flex:1;border:1.5px solid var(--bd);border-radius:18px 0 0 18px;border-right:none;padding:7px 14px;font-size:13px;font-family:inherit;outline:none;background:#f8fafc;transition:.2s;min-width:0}
.comm-search input:focus{border-color:var(--p);background:#fff}
.comm-search button{border:1.5px solid var(--p);background:var(--p);color:#fff;border-radius:0 18px 18px 0;padding:7px 14px;font-size:13px;cursor:pointer;font-family:inherit}
.comm-search button:hover{background:var(--pd)}
.search-note{background:var(--pl);border-radius:10px;padding:10px 14px;margin-bottom:12px;font-size:13px;color:var(--p);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.search-note a{color:var(--p);font-weight:700;text-decoration:underline}

/* ── Post Card ── */
.post-card{background:var(--wh);border-radius:12px;box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden;transition:.15s}
.post-card:hover{box-shadow:0 4px 18px rgba(26,111,196,.12)}
.post-card-body{padding:16px 18px}
.post-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.post-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--p),#0ea5e9);display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;font-weight:700;flex-shrink:0;overflow:hidden}
.post-avatar.is-official{background:linear-gradient(135deg,#f57c00,#fbbf24)}
.post-avatar.is-admin{background:linear-gradient(135deg,#b71c1c,#e53935)}
.post-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.post-author-info{flex:1}
.post-author-name{font-size:14px;font-weight:700;color:var(--tx);display:flex;align-items:center;gap:6px}
.badge-official{background:#fff3e0;color:#e65c00;font-size:10px;padding:1px 6px;border-radius:3px;font-weight:700;border:1px solid #ffcc02}
.badge-admin{background:#fce4ec;color:#b71c1c;font-size:10px;padding:1px 6px;border-radius:3px;font-weight:700;border:1px solid #ef9a9a}
.badge-pin{background:#fef2f2;color:#c62828;font-size:10px;padding:1px 6px;border-radius:3px;font-weight:700}
.post-time{font-size:12px;color:var(--mu);margin-top:2px}
.post-title{font-size:16px;font-weight:700;color:var(--tx);margin-bottom:8px;line-height:1.5;word-break:break-word;overflow-wrap:anywhere}
.post-title a{color:inherit;text-decoration:none}
.post-title a:hover{color:var(--p)}
.post-excerpt{font-size:14px;color:var(--mu);line-height:1.7;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;margin-bottom:10px;word-break:break-word;overflow-wrap:anywhere}
.post-tags{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:10px}
.ptag{font-size:11px;padding:3px 9px;border-radius:12px;border:1px solid var(--bd);color:var(--mu);text-decoration:none;transition:.1s}
.ptag:hover{border-color:var(--p);color:var(--p);background:var(--pl)}
/* Image grid */
.post-imgs-1{margin-bottom:10px}
.post-imgs-1 img{width:100%;max-height:480px;object-fit:contain;border-radius:8px;background:#f1f5f9;display:block}
.post-imgs-grid{display:grid;gap:4px;margin-bottom:10px}
.post-imgs-grid.count-2{grid-template-columns:1fr 1fr}
.post-imgs-grid.count-3{grid-template-columns:2fr 1fr;grid-template-rows:auto auto}
.post-imgs-grid img{width:100%;height:160px;object-fit:contain;border-radius:6px;background:#f1f5f9}
@media(max-width:480px){.post-imgs-grid img{height:110px}}
/* 视频内联播放 */
.card-video-thumb{position:relative;cursor:pointer;border-radius:8px;overflow:hidden;margin-bottom:10px;background:#111;display:block;width:100%}
.card-video-thumb img{width:100%;height:auto;display:block}
.card-video-thumb .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.6);border-radius:50%;width:54px;height:54px;display:flex;align-items:center;justify-content:center;font-size:24px;transition:.15s;pointer-events:none}
.card-video-thumb:hover .play-btn{background:rgba(26,111,196,.85);transform:translate(-50%,-50%) scale(1.08)}
.card-video-thumb .plat-badge{position:absolute;bottom:6px;right:8px;background:rgba(0,0,0,.7);color:#fff;font-size:11px;padding:2px 7px;border-radius:4px;pointer-events:none}
.card-video-inline{position:relative;width:100%;margin-bottom:10px;border-radius:8px;overflow:hidden;background:#000}
.card-video-inline iframe{display:block;width:100%;border:0}
/* Actions bar */
.post-actions{display:flex;align-items:center;padding:6px 0 0;border-top:1px solid #f1f5f9;gap:0;margin-top:4px}
.action-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:5px;padding:8px 6px;border-radius:8px;font-size:13px;color:var(--mu);cursor:pointer;transition:background .15s,color .15s;border:none;background:none;font-family:var(--font-sans)}
.action-btn:hover{background:#f1f5f9;color:var(--p)}
.action-btn:active{transform:scale(.96)}
.action-btn.liked{color:#e53935}
.like-icon{display:inline-block;transition:transform .05s}
.like-icon.pop{animation:heart-pop .28s cubic-bezier(.36,.07,.19,.97) forwards}
@keyframes heart-pop{0%{transform:scale(1)}40%{transform:scale(1.45)}70%{transform:scale(.9)}100%{transform:scale(1)}}

/* ── Toast ── */
#ds-toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(20px);background:rgba(10,30,70,.92);color:#fff;font-size:13px;font-weight:600;padding:10px 22px;border-radius:999px;box-shadow:0 6px 24px rgba(0,0,0,.28);z-index:9999;opacity:0;transition:opacity .22s,transform .22s;pointer-events:none;white-space:nowrap;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);font-family:var(--font-sans)}
#ds-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(min-width:900px){
#ds-toast{bottom:32px}
}

/* ── Mobile FAB ── */
.fab-post{display:none}
@media(max-width:899px){
  .fab-post{display:flex;align-items:center;gap:6px;position:fixed;bottom:72px;right:16px;z-index:290;background:linear-gradient(135deg,var(--p),#0ea5e9);color:#fff;border:none;border-radius:999px;padding:12px 20px;font-size:14px;font-weight:700;font-family:var(--font-sans);box-shadow:0 4px 18px rgba(26,111,196,.35);cursor:pointer;transition:.2s}
  .fab-post:hover{box-shadow:0 8px 28px rgba(26,111,196,.45);transform:translateY(-2px)}
  .fab-post:active{transform:scale(.96)}
}

/* ── Page fade-in ── */
@keyframes comm-pagein{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.comm-wrap{animation:comm-pagein .38s ease both}
@media(prefers-reduced-motion:reduce){.comm-wrap{animation:none}.action-btn{transition:none!important}.post-card{transition:none!important}}
.stat-num{font-weight:600}

/* ── Sidebar ── */
.sidebar-card{background:var(--wh);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:14px}
.sc-hd{padding:14px 16px;font-size:14px;font-weight:700;color:var(--tx);border-bottom:1px solid #f1f5f9;display:flex;align-items:center;gap:6px}
.sc-body{padding:14px 16px}
.about-desc{font-size:13px;color:var(--mu);line-height:1.7;margin-bottom:12px}
.stat-row{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.stat-item{text-align:center;flex:1;min-width:60px}
.stat-val{font-size:22px;font-weight:800;color:var(--p)}
.stat-lbl{font-size:11px;color:var(--mu);margin-top:2px}
.topic-list{display:flex;flex-direction:column;gap:2px}
.topic-link{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;font-size:13px;color:var(--tx);transition:.15s;text-decoration:none}
.topic-link:hover{background:#f8fafc;color:var(--p)}
.topic-link .t-icon{font-size:18px;flex-shrink:0;width:26px;text-align:center}
.topic-link .t-name{flex:1;font-weight:600}
.topic-link .t-count{font-size:11px;color:var(--mu);background:#f1f5f9;padding:1px 6px;border-radius:8px}
.topic-link.active{background:var(--pl);color:var(--p)}

/* ── Pagination ── */
.pager{text-align:center;padding:16px 0 4px;display:flex;align-items:center;justify-content:center;gap:8px}
.pg-lnk{padding:7px 18px;border:1.5px solid var(--p);color:var(--p);border-radius:8px;transition:.2s;font-size:13px;font-weight:600;display:inline-block;text-decoration:none}
.pg-lnk:hover{background:var(--p);color:#fff}
.pg-info{font-size:13px;color:var(--mu)}

/* ── Empty ── */
.empty-state{text-align:center;color:var(--mu);padding:60px 20px;background:var(--wh);border-radius:12px;box-shadow:var(--shadow)}

.ic{display:inline-block;width:1em;height:1em;vertical-align:-0.125em;fill:currentColor;overflow:visible;flex-shrink:0}