/* 中国别墅网 · BBS 社区 UI */
:root{
  --bg:#f6f7f9;
  --bg2:#fff;
  --card:#fff;
  --line:#e6e8ec;
  --text:#1f2328;
  --muted:#6b7480;
  --gold:#b8934a;
  --gold2:#d8b877;
  --dark:#232733;
  --radius:12px;
  --wrap:1180px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font:15px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
main.wrap{padding:24px 20px 50px;min-height:52vh}

/* ---------- Header ---------- */
.site-header{background:var(--dark);position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(0,0,0,.06)}
.header-inner{display:flex;align-items:center;gap:22px;height:62px}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand-cn{font-size:19px;font-weight:800;color:#fff;letter-spacing:.5px}
.brand-sub{font-size:11px;color:var(--gold2);letter-spacing:1.5px}
.brand.small .brand-cn{font-size:17px}
.nav{display:flex;gap:2px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{padding:7px 12px;border-radius:8px;font-size:14px;color:#b8bfcc;white-space:nowrap;transition:.2s}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav a.on{color:#2a2118;background:linear-gradient(135deg,var(--gold2),var(--gold));font-weight:600}
.header-right{display:flex;align-items:center;gap:10px}
.searchbox{display:flex;align-items:center;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:2px 4px 2px 14px}
.searchbox input{background:none;border:0;outline:0;color:#fff;font-size:13px;width:150px;height:28px}
.searchbox input::placeholder{color:#8b93a1}
.searchbox button{width:28px;height:28px;border:0;border-radius:50%;background:var(--gold);color:#1c1710;cursor:pointer;font-size:15px}
.btn-gold{display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:linear-gradient(135deg,var(--gold2),var(--gold));color:#241d10;white-space:nowrap}
.btn-gold:hover{filter:brightness(1.07)}
.btn-line{display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;
  border:1px solid rgba(255,255,255,.28);color:#dfe3ea;white-space:nowrap}
.btn-line:hover{border-color:var(--gold);color:var(--gold2)}
.u-chip{display:flex;align-items:center}

/* ---------- Avatar ---------- */
.avatar{
  display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:#fff;font-weight:700;
  background-size:cover;background-position:center;flex:0 0 auto;line-height:1;overflow:hidden;
}

/* ---------- Forum home ---------- */
.fhead{
  background:linear-gradient(120deg,#2b3140,#1d222c);border-radius:16px;padding:30px 32px;color:#fff;margin-bottom:22px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.fhead h1{margin:0 0 8px;font-size:25px;font-weight:800}
.fhead p{margin:0;color:#a9b1bf;font-size:13.5px}
.fhead .acts{display:flex;gap:10px}
.fstat-bar{display:flex;gap:26px;margin-top:2px}
.fstat-bar div{text-align:center}
.fstat-bar b{display:block;font-size:20px;color:var(--gold2);font-weight:800}
.fstat-bar span{font-size:12px;color:#8b93a1}

.sec{margin-bottom:26px}
.sec-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:14px}
.sec-head h2{font-size:18px;margin:0;font-weight:700;display:flex;align-items:center;gap:9px}
.sec-head h2:before{content:"";width:4px;height:17px;border-radius:2px;background:var(--gold)}
.sec-head .more{font-size:13px;color:var(--muted)}
.sec-head .more:hover{color:var(--gold)}

/* ---------- Board cards ---------- */
.boards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.board{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  display:flex;gap:14px;transition:.2s;
}
.board:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.05)}
.board .ico{
  width:46px;height:46px;flex:0 0 46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:21px;background:linear-gradient(135deg,#f3ece0,#e8dcc4);color:#8a6d2f;
}
.board .bi{min-width:0}
.board h3{margin:0 0 5px;font-size:15.5px;font-weight:700}
.board h3:hover{color:var(--gold)}
.board p{margin:0 0 8px;font-size:12.5px;color:var(--muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.board .bn{font-size:12px;color:#8b93a1}
.board .bn b{color:var(--gold);font-weight:600}

/* ---------- Topic list ---------- */
.tlist{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tlist .th{
  display:flex;padding:11px 18px;background:#fafbfc;border-bottom:1px solid var(--line);
  font-size:12.5px;color:#8b93a1;gap:12px;
}
.trow{
  display:flex;align-items:center;gap:12px;padding:13px 18px;border-bottom:1px solid #f0f2f5;transition:.15s;
}
.trow:last-child{border-bottom:0}
.trow:hover{background:#fafbfc}
.trow .av{flex:0 0 auto}
.trow .main{flex:1;min-width:0}
.trow .tt{font-size:15px;font-weight:600;line-height:1.5;display:block;margin-bottom:3px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.trow .tt:hover{color:var(--gold)}
.trow .sub{font-size:12.5px;color:#8b93a1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}
.trow .sub .b{color:var(--gold)}
.trow .cnt{flex:0 0 92px;text-align:center;font-size:12.5px;color:#8b93a1}
.trow .cnt b{display:block;font-size:14px;color:var(--text);font-weight:600}
.trow .last{flex:0 0 148px;text-align:right;font-size:12px;color:#8b93a1;line-height:1.6}

.tag{display:inline-block;padding:1px 7px;border-radius:5px;font-size:11px;margin-right:5px;font-weight:600}
.tag.top{background:#fdecec;color:#c0392b}
.tag.good{background:#fdf3e0;color:#a6772c}
.tag.close{background:#eef0f3;color:#6b7480}

/* ---------- Topic detail ---------- */
.topic-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:18px}
.topic-h{padding:22px 24px 16px;border-bottom:1px solid var(--line)}
.topic-h h1{font-size:22px;margin:0 0 10px;line-height:1.5;font-weight:700}
.topic-h .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8b93a1;flex-wrap:wrap}
.post{display:flex;gap:16px;padding:20px 24px;border-bottom:1px solid #f0f2f5}
.post:last-child{border-bottom:0}
.post .side{flex:0 0 96px;text-align:center}
.post .side .nm{font-size:13px;font-weight:600;margin-top:7px;display:block;word-break:break-all}
.post .side .rl{font-size:11px;color:var(--gold);margin-top:2px;display:block}
.post .side .sg{font-size:11px;color:#9aa3b2;margin-top:6px;display:block;line-height:1.5}
.post .body{flex:1;min-width:0}
.post .ct{font-size:14.5px;line-height:1.95;color:#2c3138;word-break:break-word}
.post .ct img{border-radius:8px;margin:8px 0}
.post .ct blockquote{margin:10px 0;padding:10px 14px;background:#f7f8fa;border-left:3px solid var(--gold2);color:#5d6572}
.post .ct pre{background:#f7f8fa;padding:12px 14px;border-radius:8px;overflow-x:auto;font-size:13px}
.post .ct code{background:#f2f3f5;padding:1px 5px;border-radius:4px;font-size:13px}
.post .ft{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:12px;color:#9aa3b2}
.floor{position:absolute;right:24px;font-size:12px;color:#c2c8d2}

.reply-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin-bottom:18px}
.reply-box h3{margin:0 0 14px;font-size:16px}

/* ---------- Forms ---------- */
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13px;color:#5d6572;margin-bottom:7px;font-weight:600}
.form-row label .req{color:#c0392b}
.inp,select.inp,textarea.inp{
  width:100%;padding:10px 13px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:14px;font-family:inherit;outline:0;transition:.15s;
}
.inp:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(184,147,74,.12)}
textarea.inp{min-height:110px;line-height:1.8}
select.inp{height:42px}
.form-row .hint{font-size:12px;color:#8b93a1;margin-top:6px;line-height:1.7}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.btn{padding:10px 24px;border-radius:10px;border:0;font-size:14px;font-weight:600;cursor:pointer;
  background:linear-gradient(135deg,var(--gold2),var(--gold));color:#241d10}
.btn:hover{filter:brightness(1.06)}
.btn.gray{background:#eef0f3;color:#5d6572}
.btn.sm{padding:6px 14px;font-size:12.5px;border-radius:8px}
.toolbar{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.toolbar button{
  padding:4px 10px;border:1px solid var(--line);background:#fff;border-radius:7px;font-size:12.5px;cursor:pointer;color:#5d6572;
}
.toolbar button:hover{border-color:var(--gold);color:var(--gold)}

/* ---------- Auth ---------- */
.auth{max-width:420px;margin:40px auto;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px}
.auth h2{margin:0 0 6px;font-size:21px;text-align:center}
.auth .s{color:var(--muted);font-size:13px;text-align:center;margin:0 0 24px}
.auth .switch{text-align:center;margin-top:18px;font-size:13px;color:var(--muted)}
.auth .switch a{color:var(--gold);font-weight:600}

/* ---------- Side ---------- */
.layout{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}
.side .box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:16px}
.side .box h4{margin:0 0 12px;font-size:14.5px;display:flex;align-items:center;gap:8px}
.side .box h4:before{content:"";width:3px;height:14px;background:var(--gold);border-radius:2px}
.side ul{list-style:none;margin:0;padding:0}
.side li{font-size:13px;padding:7px 0;border-bottom:1px dashed #eef0f3;color:#5d6572;line-height:1.6}
.side li:last-child{border-bottom:0}
.side li a:hover{color:var(--gold)}
.side li b{color:var(--gold);margin-right:5px}
.user-mini{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.user-mini .nm{font-weight:700;font-size:15px}
.user-mini .sm{font-size:12px;color:var(--muted)}

/* ---------- Page / empty / pager ---------- */
.page-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.page-box h1{font-size:23px;margin:0 0 16px}
.page-box p,.page-box li{color:#4a515c;line-height:1.95}
.empty{padding:56px 20px;text-align:center;color:var(--muted);background:var(--card);
  border:1px dashed var(--line);border-radius:var(--radius)}
.pager{display:flex;justify-content:center;gap:7px;margin:24px 0 0;flex-wrap:wrap}
.pg{padding:6px 13px;border-radius:8px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.pg:hover{color:var(--gold);border-color:var(--gold)}
.pg.active{background:var(--gold);color:#fff;border-color:var(--gold);font-weight:600}
.pg.dots{border:0;background:none}

.alert{padding:11px 15px;border-radius:10px;font-size:13.5px;margin-bottom:16px}
.alert.ok{background:#eef8f1;color:#2d7a48;border:1px solid #cdebda}
.alert.err{background:#fdeeee;color:#b3372f;border:1px solid #f6d5d3}
.alert.info{background:#fdf6e9;color:#8a6d2f;border:1px solid #f0e2c2}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:#a9b1bf;padding:40px 0 0;margin-top:10px}
.footer-inner{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:28px;padding-bottom:30px}
.fcol h4{margin:0 0 13px;font-size:14px;color:#fff}
.fcol ul{list-style:none;margin:0;padding:0}
.fcol li{margin-bottom:8px;font-size:13px}
.fcol a:hover{color:var(--gold2)}
.fdesc{margin:12px 0 14px;font-size:13px;line-height:1.8;max-width:330px}
.fstat{display:flex;gap:18px;font-size:12.5px}
.fstat b{color:var(--gold2);font-size:15px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:15px 20px;display:flex;
  justify-content:space-between;gap:14px;font-size:12px;color:#7b8493;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .boards{grid-template-columns:repeat(2,1fr)}
  .layout{grid-template-columns:1fr}
  .trow .last{display:none}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .header-inner{height:auto;flex-wrap:wrap;padding:12px 0;gap:12px}
  .nav{order:3;width:100%}
  .header-right{width:100%}
  .searchbox{flex:1}
  .searchbox input{width:100%}
  .boards{grid-template-columns:1fr}
  .fhead{padding:22px}
  .fhead h1{font-size:20px}
  .trow .cnt{display:none}
  .post{padding:16px}
  .post .side{flex:0 0 56px}
  .post .side .sg{display:none}
  .form-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:20px}
}