/* ===== 便民分类信息平台 全局样式（响应式） ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary:#ff5722;
  --primary-dark:#e64a19;
  --brand:#ff7043;
  --link:#0070c0;
  --gray:#f5f6f8;
  --line:#e8e8e8;
  --text:#333;
  --muted:#999;
}
body { font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif; color:var(--text); background:#fff; line-height:1.6; }
a { color:var(--link); text-decoration:none; }
a:hover { text-decoration:none; color:var(--primary); }
ul { list-style:none; }
img { max-width:100%; }
.container { max-width:1180px; margin:0 auto; padding:0 14px; }
.btn { display:inline-block; padding:8px 18px; border:none; border-radius:4px; cursor:pointer; font-size:14px; background:#eee; color:#333; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); color:#fff; }
.btn-outline { background:#fff; border:1px solid var(--primary); color:var(--primary); }
.btn-sm { padding:4px 10px; font-size:13px; }
.btn-danger { background:#f44336; color:#fff; }
.btn-block { width:100%; text-align:center; }
.text-muted { color:var(--muted); }
.text-primary { color:var(--primary); }
.mt10{margin-top:10px}.mt20{margin-top:20px}.mb20{margin-bottom:20px}
.flex { display:flex; align-items:center; gap:10px; }

/* ===== 顶部 ===== */
.topbar { background:var(--primary); color:#fff; font-size:13px; }
.topbar .container { display:flex; justify-content:space-between; align-items:center; height:34px; }
.topbar a { color:#fff; margin-left:14px; }
.topbar a:hover{color:#ffe0d0}
.header { background:#fff; border-bottom:1px solid var(--line); padding:14px 0; position:sticky; top:0; z-index:50; }
.header .container { display:flex; align-items:center; gap:18px; flex-wrap:wrap; }
.logo { font-size:24px; font-weight:800; color:var(--primary); }
.logo small { font-size:12px; color:var(--muted); font-weight:400; margin-left:6px; }
.searchbar { flex:1; display:flex; max-width:560px; }
.searchbar input { flex:1; padding:9px 12px; border:2px solid var(--primary); border-right:none; border-radius:4px 0 0 4px; font-size:14px; outline:none; }
.searchbar button { padding:9px 20px; border:none; background:var(--primary); color:#fff; border-radius:0 4px 4px 0; cursor:pointer; font-size:14px; }
.nav-links a { margin-left:16px; color:var(--text); font-weight:500; }
.nav-links a:hover{color:var(--primary)}

/* ===== 分类导航 ===== */
.cat-nav { background:var(--gray); border-bottom:1px solid var(--line); }
.cat-nav .container { display:flex; align-items:center; flex-wrap:wrap; gap:4px; padding:8px 14px; }
.cat-nav a { display:inline-block; padding:6px 14px; border-radius:20px; color:var(--text); font-size:14px; }
.cat-nav a.active,.cat-nav a:hover { background:var(--primary); color:#fff; }

/* ===== 地区切换 ===== */
.region-bar { padding:10px 0; border-bottom:1px solid var(--line); background:#fff; }
.region-bar .container { display:flex; flex-wrap:wrap; align-items:center; gap:6px; font-size:13px; }
.region-bar a { padding:4px 10px; border-radius:14px; color:var(--muted); }
.region-bar a.active,.region-bar a:hover { background:#fff2ec; color:var(--primary); }
.region-bar .city { font-weight:600; color:var(--text); }

/* ===== 首页区块 ===== */
.section { padding:18px 0; }
.section-title { font-size:18px; font-weight:700; margin-bottom:14px; padding-left:10px; border-left:4px solid var(--primary); }
.grid-cats { display:grid; grid-template-columns:repeat(auto-fill,minmax(120px,1fr)); gap:12px; }
.grid-cats a { background:var(--gray); border-radius:8px; padding:16px 8px; text-align:center; color:var(--text); }
.grid-cats a:hover { background:#fff2ec; color:var(--primary); }
.grid-cats .cat-ic { font-size:28px; display:block; margin-bottom:6px; }

/* 帖子卡片 */
.post-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(250px,1fr)); gap:14px; }
.post-card { border:1px solid var(--line); border-radius:8px; overflow:hidden; background:#fff; transition:.2s; }
.post-card:hover { box-shadow:0 4px 14px rgba(0,0,0,.08); transform:translateY(-2px); }
.post-card .cover { height:160px; background:var(--gray) center/cover no-repeat; position:relative; }
.post-card .tag-pin { position:absolute; top:8px; left:8px; background:var(--primary); color:#fff; font-size:12px; padding:2px 8px; border-radius:3px; }
.post-card .body { padding:12px; }
.post-card h3 { font-size:15px; font-weight:600; margin-bottom:6px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.post-card h3 a{color:var(--text)}
.post-card h3 a:hover{color:var(--primary)}
.post-card .meta { font-size:12px; color:var(--muted); display:flex; justify-content:space-between; }
.post-card .cat { color:var(--primary); }

/* 列表布局 */
.post-list .post-card { display:flex; }
.post-list .post-card .cover { width:180px; min-width:180px; height:120px; }
.post-list .post-card .body { flex:1; }
.post-list .post-card h3 { white-space:normal; }

/* ===== 分页 ===== */
.pagination { display:flex; justify-content:center; gap:6px; margin:22px 0; flex-wrap:wrap; }
.pagination a,.pagination span { padding:6px 13px; border:1px solid var(--line); border-radius:4px; color:var(--text); }
.pagination a:hover { border-color:var(--primary); color:var(--primary); }
.pagination .cur { background:var(--primary); color:#fff; border-color:var(--primary); }

/* ===== 详情页 ===== */
.detail-wrap { display:flex; gap:20px; padding:20px 0; }
.detail-main { flex:1; min-width:0; }
.detail-side { width:300px; }
.detail-title { font-size:22px; font-weight:700; margin-bottom:10px; }
.detail-tags { font-size:13px; color:var(--muted); margin-bottom:14px; display:flex; gap:14px; flex-wrap:wrap; }
.photo-slider { display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:10px; margin-bottom:18px; }
.photo-slider img { border-radius:6px; height:150px; width:100%; object-fit:cover; cursor:pointer; }
.detail-content { background:var(--gray); border-radius:8px; padding:20px; margin-bottom:18px; white-space:pre-wrap; word-break:break-word; }
.contact-card { background:#fff8f4; border:1px solid #ffd9c7; border-radius:8px; padding:18px; }
.contact-card h4 { color:var(--primary); margin-bottom:8px; }

/* ===== 表单 ===== */
.form-box { max-width:480px; margin:30px auto; background:#fff; border:1px solid var(--line); border-radius:10px; padding:28px; }
.form-box h2 { text-align:center; margin-bottom:20px; font-size:20px; }
.form-group { margin-bottom:16px; }
.form-group label { display:block; font-size:14px; margin-bottom:6px; font-weight:500; }
.form-group input,.form-group select,.form-group textarea { width:100%; padding:9px 12px; border:1px solid var(--line); border-radius:5px; font-size:14px; font-family:inherit; }
.form-group textarea { min-height:120px; resize:vertical; }
.form-hint { font-size:12px; color:var(--muted); margin-top:4px; }

/* ===== 弹窗 ===== */
.modal-mask { position:fixed; inset:0; background:rgba(0,0,0,.5); display:none; align-items:center; justify-content:center; z-index:100; }
.modal-mask.show { display:flex; }
.modal { background:#fff; border-radius:10px; padding:26px; max-width:420px; width:90%; text-align:center; }
.modal .m-title { font-size:18px; font-weight:700; margin-bottom:12px; }
.modal .m-msg { margin-bottom:20px; color:var(--text); }
.modal .m-actions { display:flex; gap:10px; justify-content:center; }

/* ===== 用户中心布局 ===== */
.uc-wrap { display:flex; gap:20px; padding:20px 0; }
.uc-side { width:200px; background:#fff; border:1px solid var(--line); border-radius:8px; height:fit-content; }
.uc-side .u-head { padding:20px 16px; text-align:center; border-bottom:1px solid var(--line); }
.uc-side .u-avatar { width:60px; height:60px; border-radius:50%; background:var(--primary); color:#fff; display:flex; align-items:center; justify-content:center; font-size:26px; margin:0 auto 8px; }
.uc-side nav a { display:block; padding:11px 18px; color:var(--text); font-size:14px; border-left:3px solid transparent; }
.uc-side nav a.active, .uc-side nav a:hover { background:var(--gray); color:var(--primary); border-left-color:var(--primary); }
.uc-main { flex:1; min-width:0; }
.panel { background:#fff; border:1px solid var(--line); border-radius:8px; padding:20px; margin-bottom:16px; }
.panel h3 { font-size:16px; margin-bottom:14px; padding-bottom:10px; border-bottom:1px solid var(--line); }

/* 表格 */
.table { width:100%; border-collapse:collapse; font-size:14px; }
.table th,.table td { padding:10px 12px; border-bottom:1px solid var(--line); text-align:left; }
.table th { background:var(--gray); font-weight:600; }

/* 统计卡 */
.stat-cards { display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:12px; margin-bottom:18px; }
.stat-card { background:var(--gray); border-radius:8px; padding:16px; text-align:center; }
.stat-card .num { font-size:24px; font-weight:800; color:var(--primary); }
.stat-card .lab { font-size:13px; color:var(--muted); margin-top:4px; }

/* 抽奖 */
.lottery-wheel { text-align:center; padding:30px; }
.lottery-btn { width:140px; height:140px; border-radius:50%; border:none; background:radial-gradient(circle,#ff7043,#e64a19); color:#fff; font-size:22px; font-weight:800; cursor:pointer; box-shadow:0 6px 20px rgba(230,74,25,.4); }
.lottery-btn:disabled { background:#ccc; cursor:not-allowed; box-shadow:none; }

/* 推广海报 */
.poster { max-width:420px; margin:0 auto; background:#fff; border-radius:12px; overflow:hidden; border:1px solid var(--line); }
.poster-head { background:linear-gradient(135deg,#ff7043,#e64a19); color:#fff; padding:22px; text-align:center; }
.poster-head h2 { font-size:26px; font-weight:900; letter-spacing:1px; }
.poster-body { padding:18px; }
.poster-card { border:1px solid #ffd9c7; background:#fff8f4; border-radius:8px; padding:12px 14px; margin-bottom:10px; }
.poster-card .n { color:var(--primary); font-weight:800; margin-right:6px; }
.poster-qr { text-align:center; margin:14px 0; }
.poster-foot { text-align:center; padding:14px; font-size:12px; color:var(--muted); }

/* 核销码 */
.code-box { border:2px dashed var(--primary); border-radius:8px; padding:20px; text-align:center; margin:14px 0; }
.code-box .code { font-size:26px; letter-spacing:6px; font-weight:800; color:var(--primary); }

/* 二维码容器 */
.qr-img { width:200px; height:200px; margin:10px auto; }
.qr-img img { width:100%; height:100%; object-fit:contain; }

/* ===== 地区级联选择 ===== */
.region-bar .container{display:flex;align-items:center;gap:10px}
.region-pick-btn{padding:6px 16px;border:1px solid var(--line);border-radius:20px;background:#fff;color:var(--text);cursor:pointer;font-size:14px;font-family:inherit}
.region-pick-btn:hover{border-color:var(--primary);color:var(--primary)}
.region-pick-btn b{color:var(--primary)}
.region-clear{font-size:12px;color:var(--muted)}
.region-clear:hover{color:var(--primary)}
.region-cascade .form-group{margin-bottom:10px}
.region-cascade select{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:5px;font-size:14px;font-family:inherit}
.region-cascade select:disabled{background:var(--gray);color:#bbb}

/* ===== 页脚 ===== */
.footer { background:#2b2b2b; color:#aaa; text-align:center; padding:26px 14px; margin-top:30px; font-size:13px; }
.footer a{color:#ccc}

/* ===== 响应式 ===== */
@media (max-width:768px){
  .header .container{flex-direction:column;align-items:stretch;gap:10px}
  .searchbar{max-width:none}
  .nav-links{display:flex;justify-content:flex-end;flex-wrap:wrap}
  .detail-wrap{flex-direction:column}
  .detail-side{width:100%}
  .uc-wrap{flex-direction:column}
  .uc-side{width:100%}
  .uc-side nav{display:flex;flex-wrap:wrap}
  .uc-side nav a{border-left:none;border-bottom:3px solid transparent;padding:10px 14px}
  .post-list .post-card{flex-direction:column}
  .post-list .post-card .cover{width:100%;height:160px}
  .table-wrap{overflow-x:auto}
}


/* 地区栏置于顶部工具条内 */
.topbar .region-bar { background:transparent; border:none; padding:0; }
.topbar .region-bar a { color:#fff; }
.topbar .region-bar a:hover { background:rgba(255,255,255,.15); color:#ffe0d0; }
.topbar .region-pick-btn { background:#fff; }
.topbar .region-pick-btn b { color:var(--primary); }