:root{
  --green:#458fce;
  --green2:#66AAFF;
  --green-light:#e8f1fb;
  --link:#458fce;
  --bg:#f2f2f2;
  --card:#fff;
  --text:#333;
  --muted:#999;
  --border:#e6e6e6;
  --topbar:#458fce;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,"Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green2);text-decoration:none}
.wrap{max-width:1000px;margin:0 auto;padding:0 12px}
img{max-width:100%}

/* 顶栏（蓝色渐变，跟随目标站 puyuetianUI） */
.topbar{background:linear-gradient(to top,#458fce,#66AAFF);color:#fff}
.topbar-inner{display:flex;align-items:center;height:60px;gap:20px;max-width:1000px;margin:0 auto;padding:0 12px}
.logo{font-size:20px;font-weight:700;color:#fff;letter-spacing:1px}
.nav{display:flex;gap:4px;flex:1}
.nav a{color:#fff;padding:6px 14px;border-radius:4px;font-size:15px}
.nav a.on,.nav a:hover{background:rgba(255,255,255,.12);color:#fff;text-decoration:none}
.userbox{display:flex;align-items:center;gap:12px;font-size:13px}
.userbox a{color:#fff}
.userbox a:hover{color:#fff}
.userbox .uname{color:#fff;font-weight:600}

/* 广告条 */
.ad-top{margin-top:10px}
.ad-bottom{margin:14px auto}

/* 布局 左右分栏 */
.layout{display:flex;gap:16px;margin-top:14px;align-items:flex-start}
.main{flex:1;min-width:0}
.side{width:300px;flex:none}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--border);border-radius:2px;margin-bottom:14px;overflow:hidden}
.card-h{background:#fafafa;color:var(--green);font-weight:700;padding:10px 14px;border-bottom:1px solid var(--border);font-size:15px}
.card .notice{padding:10px 14px;margin:0;list-style:none}
.card .notice li{font-size:12.5px;color:#555;margin-bottom:8px;line-height:1.5}
.hot{margin:0;padding:10px 14px 10px 28px}
.hot li{margin-bottom:6px;font-size:13px}
.hot li span{color:var(--muted);float:right}
.members{padding:10px 14px;display:flex;flex-wrap:wrap;gap:6px}
.members span{background:var(--green-light);color:var(--green);border-radius:4px;padding:2px 8px;font-size:12px}
.links{padding:10px 14px;display:flex;flex-wrap:wrap;gap:10px}
.links a{font-size:13px}

/* 筛选条 */
.filterbar{background:#fff;border:1px solid var(--border);border-radius:2px;padding:10px 14px;display:flex;align-items:center;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.filterbar a{padding:4px 14px;border-radius:2px;color:#555;font-size:14px}
.filterbar a.on,.filterbar a:hover{background:var(--green);color:#fff;text-decoration:none}
.filterbar .post-btn{margin-left:auto;background:var(--green);color:#fff;padding:6px 18px;border-radius:2px;font-weight:600}
.filterbar .post-btn:hover{background:var(--green2);color:#fff}

/* 帖子列表（fly 风格：头像 + 多图网格 + 信息行） */
.postlist{list-style:none;margin:0;padding:0;background:#fff;border:1px solid var(--border);border-radius:2px;overflow:hidden}
.postitem{position:relative;padding:15px 15px 15px 72px;border-bottom:1px solid var(--border);min-height:96px}
.postitem:last-child{border-bottom:0}
.postitem .avatar{position:absolute;left:15px;top:15px;width:45px;height:45px;border-radius:2px;background:var(--green-light);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--green);overflow:hidden}
.postitem .avatar img{width:100%;height:100%;object-fit:cover}
.postitem .body{min-width:0}
.postitem .tags{margin-bottom:6px}
.tag{display:inline-block;background:var(--green-light);color:var(--green);border-radius:2px;padding:1px 8px;font-size:12px;margin-right:4px}
.tag.board{background:var(--green);color:#fff}
.postitem h3{margin:0 0 6px;font-size:16px;line-height:1.4;font-weight:700}
.postitem h3 a{color:#222}
.postitem h3 a:hover{color:var(--green)}
.postitem .imgs{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.postitem .imgs a{display:block;width:calc(33.333% - 4px)}
.postitem .imgs img{width:100%;height:160px;object-fit:cover;border-radius:2px;display:block}
.postitem .meta{color:var(--muted);font-size:12.5px;display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}
.postitem .meta .author{color:var(--green);font-weight:600}
.postitem .meta .lv{background:#f0f0f0;color:#666;border-radius:3px;padding:0 6px}

/* 按钮 */
.btn{display:inline-block;background:var(--green);color:#fff;padding:8px 18px;border:0;border-radius:2px;cursor:pointer;font-size:14px}
.btn:hover{background:var(--green2);color:#fff;text-decoration:none}
.btn.ghost{background:#fff;color:var(--green);border:1px solid var(--green)}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:9px 10px;border:1px solid var(--border);border-radius:2px;font-size:14px;font-family:inherit}
.field textarea{min-height:160px;resize:vertical}

/* 表单卡片 */
.panel{background:#fff;border:1px solid var(--border);border-radius:2px;padding:18px;max-width:760px;margin:0 auto}
.panel h2{margin-top:0;color:var(--green)}

/* 帖子详情（fly 风格） */
.thread-head{position:relative;background:#fff;border:1px solid var(--border);border-radius:2px;padding:20px 20px 20px 64px;margin-bottom:12px}
.thread-head .avatar{position:absolute;left:20px;top:20px;width:44px;height:44px;border-radius:2px;background:var(--green-light);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--green);overflow:hidden}
.thread-head .avatar img{width:100%;height:100%;object-fit:cover}
.thread-head h1{margin:0 0 10px;font-size:20px}
.thread-head .meta{display:flex;gap:14px;color:var(--muted);font-size:12.5px;flex-wrap:wrap;align-items:center;margin-bottom:10px}
.thread-head .meta .author{color:var(--green);font-weight:600}
.reply{position:relative;background:#fff;border:1px solid var(--border);border-radius:2px;padding:14px 14px 14px 60px;margin-bottom:10px}
.reply .avatar{position:absolute;left:14px;top:14px;width:42px;height:42px;border-radius:2px;background:var(--green-light);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--green);overflow:hidden}
.reply .avatar img{width:100%;height:100%;object-fit:cover}
.reply .rc{flex:1}
.reply .rh{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12.5px;margin-bottom:6px}
.reply .rh .author{color:var(--green);font-weight:600}

/* 板块页 */
.cat{background:#fff;border:1px solid var(--border);border-radius:2px;margin-bottom:14px;overflow:hidden}
.cat-h{background:#fafafa;color:var(--green);font-weight:700;padding:10px 14px;font-size:15px}
.board-row{display:flex;align-items:center;padding:12px 14px;border-top:1px solid var(--border);gap:12px}
.board-row .bicon{width:48px;height:48px;border-radius:8px;background:var(--green-light);display:flex;align-items:center;justify-content:center;font-size:26px;flex:none}
.board-row .binfo{flex:1;min-width:0}
.board-row .binfo a{font-size:16px;font-weight:600;color:#222}
.board-row .binfo .desc{color:var(--muted);font-size:12.5px}
.board-row .bstat{text-align:right;color:var(--muted);font-size:12.5px;flex:none}

/* 分页 */
.pager{display:flex;gap:6px;justify-content:center;margin:16px 0;flex-wrap:wrap}
.pager a,.pager span{padding:5px 12px;border:1px solid var(--border);border-radius:2px;background:#fff;color:#555}
.pager span.on{background:var(--green);color:#fff;border-color:var(--green)}

/* 页脚 */
.footer{background:var(--card);color:var(--muted);margin-top:20px;padding:18px 0;text-align:center;font-size:12.5px;line-height:1.8;border-top:1px solid var(--border)}
.footer a{color:var(--green)}

/* 消息提示 */
.msg{padding:10px 14px;border-radius:2px;margin-bottom:14px}
.msg.ok{background:var(--green-light);color:var(--green);border:1px solid #cfe3f7}
.msg.err{background:#fdecea;color:#c62828;border:1px solid #ef9a9a}

/* 帖子审核状态提示 */
.tnotice{position:relative;padding:11px 14px;border-radius:2px;margin:0 0 12px;font-size:14px;line-height:1.5}
.tnotice-review{background:#fffbe6;border:1px solid #ffe58f;color:#ad6800}
.tnotice-reject{background:#fff1f0;border:1px solid #ffccc7;color:#cf1322}
/* 帖子状态标签 */
.st{display:inline-block;padding:1px 8px;border-radius:2px;font-size:12px}
.st-1{background:#e8f5e9;color:#2e7d32}
.st-2{background:#fff7e6;color:#ad6800}
.st-3{background:#fdecea;color:#c62828}
.st-0{background:#f0f0f0;color:#999}
/* 后台角标 */
.badge{display:inline-block;min-width:18px;padding:0 6px;height:18px;line-height:18px;text-align:center;background:#e53935;color:#fff;border-radius:9px;font-size:11px;font-weight:600;vertical-align:middle}

/* 移动端底部导航（白底图标，跟随目标站） */
.bottom-nav{display:none}
.bottom-nav .ic{display:block;width:22px;height:22px;margin:0 auto 2px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:860px){
  .layout{flex-direction:column}
  .side{width:100%}
  .bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#fff;display:flex;z-index:20;border-top:1px solid #eee}
  .bottom-nav a{flex:1;text-align:center;color:#777;padding:8px 0;font-size:12px;text-decoration:none}
  .bottom-nav a:hover{color:var(--green);text-decoration:none}
  .bottom-nav a.on{color:var(--green)}
  body{padding-bottom:54px}
  /* 顶部菜单：两行布局，避免窄屏挤压溢出 */
  .topbar-inner{flex-wrap:wrap;height:auto;padding:8px 12px;gap:8px;align-items:center}
  .logo{font-size:17px}
  .userbox{margin-left:auto;gap:8px;font-size:12px;flex-wrap:wrap;justify-content:flex-end}
  .userbox .ub-secondary{display:none}
  .nav{order:3;flex-basis:100%;flex:1 1 100%;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;margin-top:2px}
  .nav a{padding:8px 12px;white-space:nowrap;font-size:14px}
}

/* ============ 后台专业面板 ============ */
.admin-shell{display:flex;min-height:100vh}
.admin-side{width:228px;background:#15351f;color:#c4d3c8;position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column;z-index:10}
.admin-side .brand{height:60px;display:flex;align-items:center;gap:10px;padding:0 20px;font-size:17px;font-weight:700;color:#fff;background:rgba(0,0,0,.22);border-bottom:1px solid rgba(255,255,255,.06)}
.admin-side .brand .dot{width:10px;height:10px;border-radius:50%;background:var(--green2);box-shadow:0 0 0 3px rgba(46,139,87,.25)}
.admin-menu{flex:1;overflow-y:auto;padding:8px 0}
.admin-menu .group{font-size:11px;letter-spacing:1.5px;color:#5f7a68;text-transform:uppercase;padding:16px 20px 6px}
.admin-menu a{display:flex;align-items:center;gap:11px;padding:10px 20px;color:#bccdc0;font-size:14px}
.admin-menu a .ic{width:18px;height:18px;flex:none;opacity:.85}
.admin-menu a .ic path,.admin-menu a .ic rect,.admin-menu a .ic circle{vector-effect:non-scaling-stroke}
.admin-menu a:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.admin-menu a.on{background:var(--green);color:#fff}
.admin-menu a.on .ic{opacity:1}
.admin-side .me{padding:13px 20px;border-top:1px solid rgba(255,255,255,.06);font-size:13px;display:flex;align-items:center;justify-content:space-between}
.admin-side .me a{color:#9fc2ab}
.admin-side .me a:hover{color:#fff;text-decoration:none}

.admin-main{flex:1;margin-left:228px;display:flex;flex-direction:column;min-height:100vh}
.admin-top{height:60px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;position:sticky;top:0;z-index:5}
.admin-top h1{font-size:17px;margin:0;color:#26352c}
.admin-top .right{margin-left:auto;font-size:13px}
.admin-top .right a{color:var(--muted)}
.admin-top .right a:hover{color:var(--green)}
.admin-content{padding:24px;flex:1}

/* 后台内表单/卡片占满宽度 */
.admin-content .panel{margin:0;max-width:none}
.admin-content .card{box-shadow:none}
.admin-content table.panel{display:table}
/* 后台列表表格样式 */
.admin-content table.panel{padding:0;overflow:hidden}
.admin-content table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:8px;font-size:14px;overflow:hidden}
.admin-content table th,.admin-content table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--border);vertical-align:middle}
.admin-content table th{background:#f5f7f6;color:#333;font-weight:600;white-space:nowrap}
.admin-content table tr:last-child td{border-bottom:0}
.admin-content table tbody tr:nth-child(even){background:#fafbfa}
.admin-content table tbody tr:hover{background:#eef6f0}
.admin-content table td a{margin-right:8px;white-space:nowrap}

@media (max-width:860px){
  .admin-side{position:static;width:100%;flex-direction:column}
  .admin-menu{display:flex;flex-wrap:wrap;padding:6px}
  .admin-menu .group{display:none}
  .admin-menu a{flex:1 0 auto;padding:9px 12px}
  .admin-side .me{justify-content:flex-start;gap:18px}
  .admin-main{margin-left:0}
  .admin-top{position:static}
}

/* 配图相关 */
.thumb img{width:100%;height:100%;object-fit:cover;border-radius:8px}
.thread-imgs{margin-top:14px}
.thread-imgs a{display:block}
.thread-imgs img{display:block;width:100%;max-width:100%;height:auto;border-radius:2px;margin-bottom:8px}
.img-edit{display:flex;flex-wrap:wrap;gap:12px}
.img-edit .img-cell{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;color:#888}
.img-edit .img-cell img{width:96px;height:96px;object-fit:cover;border-radius:6px;border:1px solid var(--border)}
.img-edit .img-cell span{display:flex;align-items:center;gap:4px}

/* 后台分页器 */
.pager{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:14px 0;font-size:14px;color:#555}
.pager-info{margin-right:6px}
.pager a,.pager-cur,.pager-omit{padding:5px 11px;border:1px solid var(--border);border-radius:6px;background:#fff;color:#333;text-decoration:none;line-height:1}
.pager a:hover{background:#eef6f0;border-color:#b9dcc4}
.pager-cur{background:#2e8b57;color:#fff;border-color:#2e8b57;font-weight:600}
.pager-omit{border:0;padding:5px 4px;background:transparent}
/* 批量操作栏 */
.batch-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:14px 0;font-size:14px}
.batch-bar span{color:#555;margin-right:4px}
.batch-bar .btn{padding:6px 12px;font-size:13px}