:root{
  --red:#e53935;
  --red2:#d32f2f;
  --bg:#f5f5f5;
  --card:#fff;
  --text:#222;
  --muted:#999;
  --line:#eee;
  --vip:#c9a227;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
.app{max-width:480px;margin:0 auto;min-height:100vh;background:#fff;position:relative;padding-bottom:58px}
/* top */
.top-search{display:flex;align-items:center;gap:10px;padding:10px 12px 6px;background:#fff;position:sticky;top:0;z-index:20}
.search-box{flex:1;height:34px;background:#f2f2f2;border-radius:18px;display:flex;align-items:center;padding:0 12px;color:#bbb;font-size:13px;gap:6px}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:13px;color:#333}
.discover{display:flex;flex-direction:column;align-items:center;color:var(--red);font-size:10px;min-width:36px}
.discover .di{width:28px;height:28px;border-radius:50%;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;margin-bottom:1px}
.feed-tabs{display:flex;gap:18px;padding:6px 14px 0;overflow-x:auto;white-space:nowrap;background:#fff;border-bottom:1px solid #f0f0f0;scrollbar-width:none}
.feed-tabs::-webkit-scrollbar{display:none}
.feed-tabs a{padding:8px 0 10px;font-size:15px;color:#666;position:relative}
.feed-tabs a.on{color:var(--red);font-weight:600}
.feed-tabs a.on:after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:18px;height:3px;background:var(--red);border-radius:2px}
/* banner */
.notice{margin:10px 12px;padding:12px 14px;border-radius:8px;color:#fff;background:linear-gradient(90deg,#1e6cff,#4a8dff);font-size:13px;line-height:1.45}
.notice b{display:block;font-size:14px;margin-bottom:2px}
/* post */
.post{padding:14px 12px;border-bottom:8px solid #f5f5f5}
.post-hd{display:flex;align-items:center;gap:10px}
.avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;background:#ddd;position:relative}
.avatar-wrap{position:relative;width:42px;height:42px}
.avatar-wrap .crown{position:absolute;top:-8px;left:50%;transform:translateX(-50%);font-size:12px;z-index:2}
.avatar-wrap .vbadge{position:absolute;right:-2px;bottom:-1px;width:14px;height:14px;background:#1e88e5;color:#fff;border-radius:50%;font-size:9px;display:flex;align-items:center;justify-content:center;border:1px solid #fff}
.post-user{flex:1;min-width:0}
.post-user .name{font-size:15px;font-weight:600;display:flex;align-items:center;gap:6px}
.vip{display:inline-block;background:linear-gradient(90deg,#f6e27a,#d4af37);color:#5a4300;font-size:10px;padding:1px 6px;border-radius:3px;font-weight:700}
.post-user .sub{font-size:12px;color:#999;margin-top:2px}
.post-body{margin:10px 0 8px;font-size:15px;line-height:1.55;word-break:break-word;white-space:pre-wrap}
.post-body .tag{color:#1e6cff}
.more{color:#1e6cff;font-size:14px}
.img-grid{display:grid;gap:4px;margin-top:8px}
.img-grid.g1{grid-template-columns:1fr}
.img-grid.g2,.img-grid.g4{grid-template-columns:1fr 1fr}
.img-grid.g3,.img-grid.g5,.img-grid.g6,.img-grid.g7,.img-grid.g8,.img-grid.g9{grid-template-columns:1fr 1fr 1fr}
.img-grid .cell{aspect-ratio:1;background:linear-gradient(135deg,#eceff1,#cfd8dc);border-radius:4px;overflow:hidden;display:flex;align-items:center;justify-content:center;color:#78909c;font-size:12px;position:relative}
.img-grid .cell img{width:100%;height:100%;object-fit:cover}
.img-grid .cell .wm{position:absolute;left:4px;bottom:4px;background:rgba(0,0,0,.35);color:#fff;font-size:9px;padding:1px 4px;border-radius:2px}
.post-ft{display:flex;justify-content:space-between;color:#999;font-size:12px;margin-top:10px}
.post-acts{display:flex;gap:18px}
.post-acts span{display:inline-flex;align-items:center;gap:4px}
/* fab */
.fab{
  position:fixed;right:calc(50% - 220px);bottom:78px;width:56px;height:56px;border-radius:50%;
  background:var(--red);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(229,57,53,.35);font-size:11px;z-index:30;border:0;cursor:pointer
}
@media(max-width:480px){.fab{right:16px}}
.fab .fi{font-size:18px;line-height:1;margin-bottom:1px}
/* tabbar */
.tabbar{
  position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:100%;max-width:480px;height:56px;
  background:#fff;border-top:1px solid #eee;display:flex;z-index:40
}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#888;font-size:10px;gap:2px}
.tab .ico{font-size:20px;line-height:1}
.tab.on{color:var(--red)}
/* login */
.login-page{max-width:480px;margin:0 auto;min-height:100vh;background:#fff;padding:48px 28px 24px;position:relative;overflow:hidden}
.login-page:before{
  content:"";position:absolute;right:-40px;top:-20px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(229,57,53,.08),transparent 70%);
}
.login-page h1{font-size:30px;line-height:1.35;font-weight:700;position:relative}
.login-tabs{display:flex;gap:28px;margin:36px 0 22px;position:relative}
.login-tabs span{font-size:16px;color:#999;padding-bottom:8px;cursor:pointer}
.login-tabs .on{color:var(--red);font-weight:600;border-bottom:2px solid var(--red)}
.field{display:flex;align-items:center;border-bottom:1px solid #eee;height:52px;gap:8px}
.field input{border:0;outline:0;flex:1;font-size:16px;height:100%}
.prefix{color:#333;font-size:16px;display:flex;align-items:center;gap:4px}
.code-btn{border:1px solid var(--red);color:var(--red);background:#fff;border-radius:20px;padding:6px 12px;font-size:13px;white-space:nowrap}
.btn-red{width:100%;height:46px;border:0;border-radius:23px;background:var(--red);color:#fff;font-size:16px;font-weight:600;margin-top:28px}
.agree{margin-top:18px;font-size:12px;color:#999;display:flex;gap:6px;align-items:flex-start}
.agree a{color:#1e6cff}
.tip{margin-top:12px;font-size:12px;color:#bbb}
/* common pages */
.page-hd{height:46px;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;border-bottom:1px solid #f0f0f0;background:#fff;position:sticky;top:0;z-index:10}
.page-hd .back{position:absolute;left:12px;font-size:22px;font-weight:400}
.card-list{padding:10px 12px}
.person{display:flex;gap:12px;padding:12px;background:#fff;border-bottom:1px solid #f3f3f3;align-items:center}
.person .info{flex:1;min-width:0}
.person .info h3{font-size:15px;display:flex;align-items:center;gap:6px}
.person .info p{font-size:12px;color:#999;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.follow-btn{border:1px solid var(--red);color:var(--red);background:#fff;border-radius:14px;padding:4px 12px;font-size:12px}
.res-item{display:flex;gap:10px;padding:12px;border-bottom:1px solid #f3f3f3;background:#fff}
.res-cover{width:84px;height:84px;border-radius:6px;background:linear-gradient(135deg,#ffcdd2,#ef9a9a);flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px}
.res-meta h3{font-size:15px;margin-bottom:4px}
.res-meta p{font-size:12px;color:#999}
.res-meta .price{color:var(--red);font-weight:700;margin-top:6px}
.hub-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:16px;background:#fff}
.hub-grid a{text-align:center;font-size:12px;color:#444}
.hub-ico{width:44px;height:44px;margin:0 auto 6px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}
.me-head{background:linear-gradient(135deg,#e53935,#ef5350);color:#fff;padding:28px 16px 20px}
.me-head .row{display:flex;align-items:center;gap:12px}
.me-head .av{width:58px;height:58px;border-radius:50%;border:2px solid rgba(255,255,255,.6);object-fit:cover}
.me-head h2{font-size:20px}
.me-head p{opacity:.9;font-size:12px;margin-top:4px}
.me-stats{display:flex;background:#fff;margin:0 12px;border-radius:10px;transform:translateY(-12px);box-shadow:0 4px 12px rgba(0,0,0,.06)}
.me-stats div{flex:1;text-align:center;padding:14px 0}
.me-stats b{display:block;font-size:16px}
.me-stats span{font-size:11px;color:#999}
.menu{background:#fff;margin:0 12px 12px;border-radius:10px;overflow:hidden}
.menu a{display:flex;justify-content:space-between;padding:15px 14px;border-bottom:1px solid #f5f5f5;font-size:14px}
.menu a:last-child{border-bottom:0}
.menu a em{color:#ccc;font-style:normal}
.form-box{padding:16px}
.form-box textarea{width:100%;min-height:140px;border:0;outline:0;font-size:15px;resize:vertical}
.img-pick{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.img-pick .add{width:72px;height:72px;border:1px dashed #ccc;border-radius:6px;display:flex;align-items:center;justify-content:center;color:#999;font-size:28px}
.toast{position:fixed;left:50%;top:42%;transform:translate(-50%,-50%);background:rgba(0,0,0,.78);color:#fff;padding:10px 14px;border-radius:6px;z-index:99;display:none;font-size:13px;max-width:80%}
.empty{text-align:center;color:#999;padding:50px 20px;font-size:14px}
.seg{display:flex;background:#fff;border-bottom:1px solid #f0f0f0}
.seg a{flex:1;text-align:center;padding:12px 0;font-size:14px;color:#666}
.seg a.on{color:var(--red);font-weight:600;border-bottom:2px solid var(--red)}