:root{
  --bg:#0f1020; --bg2:#171829; --card:#1c1d33; --card2:#232542;
  --ink:#e8e8f0; --muted:#9aa0c0; --line:#2c2e4a;
  --gold:#ffd479; --jade:#7fd6c2; --rose:#ff8aa6; --red:#ff5c5c;
  --primary:#8a7bff; --primary2:#6c5ce7;
}
*{box-sizing:border-box}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:linear-gradient(180deg,#0c0d1a,#121326);color:var(--ink);min-height:100vh}
a{color:var(--jade);text-decoration:none}
.hidden{display:none !important}

/* 顶栏 */
.topbar{display:flex;align-items:center;gap:18px;padding:12px 22px;background:rgba(20,21,40,.9);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.brand{display:flex;align-items:center;gap:12px;cursor:pointer}
.logo{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;font-size:24px;
  background:linear-gradient(135deg,var(--gold),#caa14a);color:#2a230a;font-weight:700}
.brand-name{font-size:20px;font-weight:700;letter-spacing:2px}
.brand-sub{font-size:11px;color:var(--muted)}
.nav{display:flex;gap:6px;flex:1;flex-wrap:wrap;overflow-x:auto}
.nav a{padding:7px 12px;border-radius:8px;color:var(--muted);font-size:14px;white-space:nowrap;cursor:pointer}
.nav a.active,.nav a:hover{background:var(--card2);color:var(--ink)}
.userbox{display:flex;align-items:center;gap:10px}
.userbox .coin{background:var(--card2);padding:4px 10px;border-radius:20px;font-size:13px;color:var(--gold)}
.btn{border:0;border-radius:8px;padding:8px 14px;font-size:14px;cursor:pointer;background:var(--card2);color:var(--ink)}
.btn:hover{filter:brightness(1.15)}
.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}
.btn.gold{background:linear-gradient(135deg,var(--gold),#caa14a);color:#2a230a;font-weight:600}
.btn.ghost{background:transparent;border:1px solid var(--line)}
.btn.sm{padding:5px 10px;font-size:12px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--primary2);display:grid;place-items:center;color:#fff;font-size:14px}

.view{max-width:1080px;margin:22px auto;padding:0 18px}
.footer{text-align:center;color:var(--muted);font-size:12px;padding:30px 10px}
.footer .beian{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:baseline;margin-top:10px}
.beian-item{display:inline-flex;align-items:baseline;gap:5px;color:var(--muted);text-decoration:none;transition:.2s}
.beian-item:hover{color:var(--primary)}
.beian-icon{height:18px;width:auto;flex:0 0 auto;vertical-align:bottom;border-radius:2px}

/* 卡片网格 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;transition:.2s}
.card:hover{border-color:var(--primary);transform:translateY(-2px)}
.card h3{margin:0 0 6px;font-size:17px}
.card .meta{color:var(--muted);font-size:12px;margin-bottom:8px}
.card p{color:var(--muted);font-size:13px;line-height:1.6;margin:6px 0}

.section-title{font-size:22px;margin:6px 0 16px;display:flex;align-items:center;gap:10px}
.section-title small{color:var(--muted);font-weight:400;font-size:13px}

/* 表单 */
.field{margin:10px 0}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}
input,textarea,select{width:100%;padding:10px 12px;border-radius:9px;border:1px solid var(--line);
  background:var(--bg2);color:var(--ink);font-size:14px;font-family:inherit}
textarea{min-height:90px;resize:vertical}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1}

/* 弹窗 */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center}
.modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.6)}
.modal-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:22px;width:min(560px,92vw);max-height:88vh;overflow:auto}
.modal-card h3{margin-top:0}
.closex{position:absolute;top:12px;right:14px;cursor:pointer;color:var(--muted);font-size:20px}

.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:var(--card2);
  border:1px solid var(--line);padding:10px 18px;border-radius:10px;z-index:200;font-size:14px}

/* 详情 */
.back{cursor:pointer;color:var(--muted);margin-bottom:10px;display:inline-block}
.tabs{display:flex;gap:8px;margin:14px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tabs button{background:none;border:0;color:var(--muted);padding:8px 12px;cursor:pointer;border-bottom:2px solid transparent}
.tabs button.active{color:var(--gold);border-bottom-color:var(--gold)}
.media-row{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.media-row img,.media-row video{width:160px;border-radius:10px;border:1px solid var(--line)}
.audio-item{width:100%}
.comment{border-top:1px solid var(--line);padding:10px 0;font-size:14px}
.comment .who{color:var(--jade);font-size:13px}
.comment .when{color:var(--muted);font-size:11px}
.activity-icons{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.act{border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer;background:var(--bg2);font-size:13px}
.act:hover{border-color:var(--gold)}
.act b{color:var(--gold)}

/* 聊天 */
.chat-wrap{display:flex;height:70vh;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.chat-list{width:220px;border-right:1px solid var(--line);overflow:auto;background:var(--bg2)}
.chat-list .item{padding:12px;border-bottom:1px solid var(--line);cursor:pointer}
.chat-list .item:hover{background:var(--card2)}
.chat-main{flex:1;display:flex;flex-direction:column}
.chat-msgs{flex:1;overflow:auto;padding:14px}
.bubble{max-width:70%;padding:8px 12px;border-radius:12px;margin:6px 0;font-size:14px;line-height:1.5}
.bubble.me{background:var(--primary2);margin-left:auto}
.bubble.them{background:var(--card2)}
.chat-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}

.tag{display:inline-block;background:var(--card2);border:1px solid var(--line);border-radius:20px;
  padding:2px 10px;font-size:12px;color:var(--muted);margin:2px}
.pill{display:inline-flex;gap:6px;align-items:center;background:var(--bg2);border:1px solid var(--line);
  border-radius:8px;padding:6px 10px;font-size:13px;margin:4px 4px 0 0}
.empty{text-align:center;color:var(--muted);padding:40px}
.uploader{border:1px dashed var(--line);border-radius:10px;padding:14px;text-align:center;color:var(--muted);cursor:pointer}
.preview{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.preview img,.preview video{width:80px;border-radius:8px}