:root{
  --bg1:#160a2e; --bg2:#241046; --bg3:#0d0520;
  --pink:#ff6ad5; --purple:#a974ff; --cyan:#6ad7ff; --gold:#ffd166;
  --txt:#f3eeff; --sub:#b9aee0; --line:rgba(255,255,255,.12);
  --card:rgba(255,255,255,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--txt); background:linear-gradient(165deg,var(--bg1),var(--bg2) 55%,var(--bg3));
  min-height:100vh; padding-bottom:74px; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:560px;margin:0 auto;padding:14px 14px 8px}
.topbar{position:sticky;top:0;z-index:20;backdrop-filter:blur(12px);
  background:linear-gradient(180deg,rgba(22,10,46,.95),rgba(22,10,46,.6));
  border-bottom:1px solid var(--line);padding:12px 16px;display:flex;align-items:center;justify-content:space-between}
.topbar h1{font-size:17px;margin:0;background:linear-gradient(90deg,var(--pink),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.topbar .right{font-size:13px;color:var(--sub)}
.hero{border-radius:18px;padding:18px;margin:14px 0;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(255,106,213,.22),rgba(169,116,255,.22));
  border:1px solid var(--line)}
.hero h2{margin:0 0 6px;font-size:21px}
.hero p{margin:0;color:var(--sub);font-size:13px}
.hero .badge{display:inline-block;margin-top:10px;font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(255,209,102,.18);color:var(--gold);border:1px solid rgba(255,209,102,.4)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;margin:12px 0}
.card h3{margin:0 0 10px;font-size:15px;display:flex;align-items:center;gap:6px}
.section-title{font-size:14px;color:var(--sub);margin:18px 4px 4px;font-weight:600;letter-spacing:.5px}
/* PK 对阵卡片 */
.pk{display:flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:14px;margin:12px 0;position:relative}
.pk .side{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;min-width:0}
.ava{width:54px;height:54px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.25);background:#333}
.ava-text{display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px;color:#fff}
.pk .nm{font-size:13px;font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pk .vs{font-size:22px;font-weight:900;background:linear-gradient(135deg,var(--pink),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;flex:0 0 auto;padding:0 2px}
.pk .meta{position:absolute;left:0;right:0;bottom:-2px;display:flex;justify-content:center;gap:8px}
.pk .chip{font-size:11px;padding:3px 9px;border-radius:999px;background:rgba(0,0,0,.35);border:1px solid var(--line);color:var(--sub)}
.pk .grp{position:absolute;top:8px;left:10px;font-size:11px;color:var(--purple);font-weight:700}
.pk .win{outline:2px solid var(--gold);outline-offset:1px}
.pk .bye{font-size:11px;color:var(--cyan)}
.tag{font-size:11px;padding:2px 8px;border-radius:999px;background:rgba(106,215,255,.15);color:var(--cyan);border:1px solid rgba(106,215,255,.35)}
.btn{display:block;width:100%;text-align:center;padding:13px;border:0;border-radius:13px;font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(90deg,var(--pink),var(--purple));cursor:pointer;margin:8px 0}
.btn.sub{background:linear-gradient(90deg,#667eea,#764ba2)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}
.btn:disabled{opacity:.5}
input,select,textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);
  background:rgba(0,0,0,.25);color:#fff;font-size:15px;margin:6px 0;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--purple)}
label{font-size:13px;color:var(--sub);display:block;margin-top:8px}
.row{display:flex;gap:8px}
.row>*{flex:1}
.prize-img{width:100%;border-radius:14px;margin:10px 0}
.empty{text-align:center;color:var(--sub);padding:40px 0;font-size:14px}
.medal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.medal{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 8px;text-align:center}
.medal .ic{font-size:30px}
.medal .mt{font-size:12px;margin-top:6px;color:var(--gold)}
.champ-list .c{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px;margin:8px 0}
.toast{position:fixed;left:50%;top:30%;transform:translateX(-50%);background:rgba(0,0,0,.85);
  color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;z-index:99;max-width:80%;text-align:center;display:none}
/* 底部导航 */
.botnav{position:fixed;left:0;right:0;bottom:0;z-index:30;max-width:560px;margin:0 auto;
  display:flex;background:rgba(18,8,38,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line)}
.botnav-i{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0 9px;color:var(--sub);font-size:11px}
.botnav-i .bi{font-size:20px;filter:grayscale(.4)}
.botnav-i.on{color:#fff}
.botnav-i.on .bi{filter:none;transform:scale(1.12)}
.bracket-round{font-size:13px;color:var(--purple);font-weight:700;margin:16px 4px 4px}
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal{width:100%;max-width:420px;background:linear-gradient(160deg,#241046,#160a2e);border:1px solid var(--line);border-radius:18px;padding:20px}
.modal h3{margin:0 0 10px}
.video-box{position:relative;padding-top:56.25%;background:#000;border-radius:14px;overflow:hidden;margin:10px 0}
.video-box video,.video-box iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.fee{font-size:13px;color:var(--gold)}
.muted{color:var(--sub);font-size:13px}
.center{text-align:center}