:root{
  --bg:#0a0e17;
  --card:rgba(20,26,40,.62);
  --line:rgba(255,255,255,.10);
  --txt:#e8ecf6;
  --dim:#8b95ad;
  --c1:#6366f1;
  --c2:#a855f7;
  --c3:#22d3ee;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:24px 16px;
  overflow-x:hidden;
  position:relative;
}
#stars{position:fixed;inset:0;z-index:0;pointer-events:none}
.glow{
  position:fixed;border-radius:50%;filter:blur(90px);opacity:.42;z-index:0;pointer-events:none;
  animation:breathe 9s ease-in-out infinite;
}
.glow-a{width:420px;height:420px;background:radial-gradient(circle,#6366f1,transparent 70%);top:-140px;left:-120px}
.glow-b{width:460px;height:460px;background:radial-gradient(circle,#a855f7,transparent 70%);bottom:-180px;right:-140px;animation-delay:-4.5s}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.35}50%{transform:scale(1.18);opacity:.55}}

.wrap{position:relative;z-index:2;width:100%;max-width:460px}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:26px;
  padding:34px 24px 22px;
  backdrop-filter:blur(22px) saturate(160%);
  -webkit-backdrop-filter:blur(22px) saturate(160%);
  box-shadow:0 24px 70px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.07);
  text-align:center;
  animation:rise .7s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

.avatar-ring{position:relative;width:104px;height:104px;margin:0 auto 16px}
.avatar{
  width:104px;height:104px;border-radius:50%;object-fit:cover;
  border:2px solid rgba(255,255,255,.14);
  background:#1b2233;
  display:block;position:relative;z-index:2;
}
.ring{
  position:absolute;inset:-6px;border-radius:50%;z-index:1;
  background:conic-gradient(from 0deg,#6366f1,#a855f7,#22d3ee,#6366f1);
  filter:blur(7px);opacity:.72;
  animation:spin 5s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.nick{font-size:26px;font-weight:700;letter-spacing:.5px;margin-bottom:10px;
  background:linear-gradient(92deg,#fff,#c7d2fe 45%,#e9d5ff);
  -webkit-background-clip:text;background-clip:text;color:transparent}

.slogan{min-height:24px;font-size:14.5px;color:var(--dim);line-height:1.6;margin-bottom:20px}
.caret{color:var(--c2);animation:blink 1s step-end infinite}
@keyframes blink{50%{opacity:0}}

.stats{display:flex;gap:10px;margin-bottom:20px}
.stat{flex:1;background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:14px;padding:11px 6px}
.stat b{display:block;font-size:18px;color:#fff;font-variant-numeric:tabular-nums}
.stat span{font-size:11.5px;color:var(--dim)}

.tiers{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.tier{
  font:inherit;font-size:13.5px;color:var(--txt);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:14px;
  padding:13px 10px;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:6px;
  transition:transform .18s,background .18s,border-color .18s,box-shadow .18s;
}
.tier em{font-style:normal;font-size:13px;color:#c4b5fd;font-weight:700}
.tier:hover{background:rgba(255,255,255,.10);border-color:rgba(168,85,247,.55);transform:translateY(-2px);box-shadow:0 10px 24px rgba(120,80,255,.22)}
.tier:active{transform:scale(.97)}
.tier-custom{grid-column:1/-1}

.paybar{display:flex;gap:10px;margin-top:16px}
.paybtn{
  flex:1;font:inherit;font-size:15px;font-weight:600;color:#fff;
  border:none;border-radius:14px;padding:14px 0;cursor:pointer;
  transition:transform .16s,filter .16s,box-shadow .16s;
}
.paybtn.alipay{background:linear-gradient(135deg,#1677ff,#0ea5e9);box-shadow:0 10px 26px rgba(22,119,255,.35)}
.paybtn.wechat{background:linear-gradient(135deg,#07c160,#10b981);box-shadow:0 10px 26px rgba(7,193,96,.32)}
.paybtn:hover{filter:brightness(1.1);transform:translateY(-2px)}
.paybtn:active{transform:scale(.97)}
.hint{font-size:11.5px;color:var(--dim);margin-top:11px;opacity:.85}

.sec-title{
  font-size:13px;font-weight:600;color:var(--dim);letter-spacing:3px;
  margin:26px 0 12px;display:flex;align-items:center;gap:10px;
}
.sec-title::before,.sec-title::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent)}

.board{list-style:none;display:flex;flex-direction:column;gap:7px}
.board li{
  display:flex;align-items:center;justify-content:space-between;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.06);
  border-radius:11px;padding:9px 13px;font-size:13px;
  animation:slideIn .5s ease both;
}
.board li:nth-child(1){animation-delay:.05s}
.board li:nth-child(2){animation-delay:.12s}
.board li:nth-child(3){animation-delay:.19s}
.board li:nth-child(4){animation-delay:.26s}
@keyframes slideIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.who{color:#dbe3f5;font-weight:500}
.dur{color:var(--dim);font-size:12px;font-variant-numeric:tabular-nums}

.foot{margin-top:22px;padding-top:14px;border-top:1px solid rgba(255,255,255,.07);
  font-size:11px;color:#5d6780;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.dot{opacity:.5}

/* modal */
.modal{
  position:fixed;inset:0;z-index:99;display:none;
  align-items:center;justify-content:center;padding:20px;
  background:rgba(4,7,14,.78);backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);
}
.modal.show{display:flex;animation:fadeIn .22s ease both}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-box{
  position:relative;width:100%;max-width:330px;text-align:center;
  background:linear-gradient(180deg,#151d2e,#0d1320);
  border:1px solid rgba(255,255,255,.12);border-radius:22px;
  padding:26px 22px 22px;
  box-shadow:0 30px 80px rgba(0,0,0,.7);
  animation:pop .26s cubic-bezier(.2,1.2,.4,1) both;
}
@keyframes pop{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}
.modal-close{
  position:absolute;top:10px;right:14px;background:none;border:none;
  color:#7d879e;font-size:24px;line-height:1;cursor:pointer;padding:4px 8px;
}
.modal-close:hover{color:#fff}
.modal-box h3{font-size:18px;margin-bottom:6px}
.modal-box #modalSub{font-size:12.5px;color:var(--dim);min-height:18px;margin-bottom:16px}
.qr-wrap{
  background:#fff;border-radius:16px;padding:12px;display:inline-block;
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 12px 30px rgba(0,0,0,.5);
}
.qr-wrap img{display:block;width:216px;height:216px;object-fit:contain;border-radius:8px}
.modal-tip{margin-top:14px;font-size:12px;color:var(--dim)}

@media (max-width:380px){
  .card{padding:26px 16px 18px;border-radius:22px}
  .tier{font-size:12.5px;padding:11px 8px}
  .qr-wrap img{width:180px;height:180px}
}