:root{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#1d2930;background:#f3f7f4}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer;border:0;border-radius:12px;padding:10px 17px;background:#168568;color:#fff;font-weight:650}button.secondary{background:#e7f1ec;color:#176d56}button.danger{background:#fce9e5;color:#a63a31}input,select{width:100%;border:1px solid #d8e2dd;background:white;border-radius:10px;padding:10px 12px;outline:none}input:focus,select:focus{border-color:#168568}label{display:grid;gap:6px;font-size:14px;color:#50615a}h1,h2,h3,p{margin:0}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}p{line-height:1.6}.shell{max-width:1120px;margin:auto;padding:24px 18px 72px}.top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.brand{display:flex;align-items:center;gap:12px}.logo{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:#168568;color:white;font-size:22px}.muted{color:#718078;font-size:13px}.tabs{display:flex;gap:8px;overflow-x:auto;margin:22px 0}.tab{background:transparent;color:#53665c;white-space:nowrap}.tab.active{background:#dcefe5;color:#12664e}.card{background:#fff;border:1px solid #e3ece6;border-radius:18px;padding:22px;box-shadow:0 5px 22px #1848370b}.stack{display:grid;gap:18px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{padding:18px;background:#f5faf6;border-radius:14px}.stat strong{display:block;font-size:24px;color:#176f55;margin-top:6px}.row{display:flex;justify-content:space-between;align-items:center;gap:12px}.form{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:end}.notice{padding:12px 15px;border-radius:10px;background:#fff5db;color:#7b5815;margin-bottom:16px}.error{color:#b33d32}.success{color:#168568}.tablewrap{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:630px}th,td{text-align:left;padding:12px;border-bottom:1px solid #edf1ee;font-size:14px}th{color:#718078;font-weight:550}tr:last-child td{border-bottom:0}.pill{display:inline-block;background:#e9f4ee;color:#1c7b5e;padding:4px 9px;border-radius:99px;font-size:12px}.pill.warm{background:#fff1df;color:#a56b25}.chart{width:100%;height:245px;margin-top:14px}.legend{display:flex;gap:15px;flex-wrap:wrap;color:#718078;font-size:13px}.legend span:before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;background:#168568;margin-right:6px}.login{max-width:390px;margin:9vh auto}.login .card{padding:30px}.login form{display:grid;gap:16px;margin-top:22px}.login button{width:100%}.rules{display:grid;gap:10px}.pklist{display:grid;gap:10px}.pkitem{padding:14px;background:#f8faf8;border-radius:12px}.small{font-size:13px;color:#718078}.actions{display:flex;gap:8px;flex-wrap:wrap}.history{display:flex;gap:8px;flex-wrap:wrap}.history span{background:#f2f7f4;border-radius:9px;padding:8px 11px;font-size:13px}@media(max-width:700px){.shell{padding:18px 12px 50px}.top{align-items:flex-start}.grid{grid-template-columns:repeat(2,1fr)}.form{grid-template-columns:1fr}.card{padding:17px}h1{font-size:20px}.stat strong{font-size:20px}.top .secondary{padding:8px 10px}}

/* 手机布局：让排名和资料直接在窄屏阅读。 */
.rankcards{display:none}
@media(max-width:700px){
  .top{flex-wrap:wrap;gap:12px;margin-bottom:14px}
  .top .brand{min-width:0;flex:1 1 100%}
  .brand>div:last-child{min-width:0}
  .top .secondary{margin-left:auto}
  .logo{flex:none}
  .tabs{margin:12px -12px 18px;padding:0 12px 6px;scrollbar-width:none}
  .tabs::-webkit-scrollbar{display:none}
  .tab{padding:10px 13px}
  .row{flex-wrap:wrap;align-items:flex-start}
  .row>div{min-width:0}
  .row select{max-width:none!important}
  .grid{gap:8px}
  .stat{padding:12px;min-width:0;font-size:13px}
  .stat strong{font-size:18px;overflow-wrap:anywhere}
  .card{min-width:0}
  .tablewrap{display:none}
  .rankcards{display:grid;gap:10px;margin-top:14px}
  .rankcard{padding:13px;background:#f7faf8;border:1px solid #e6eee8;border-radius:12px}
  .rankcard .row{align-items:center}
  .rankcard strong{font-size:16px}
  .rankdetails{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px;font-size:13px;color:#627269}
  .rankdetails b{display:block;color:#1d2930;font-size:15px;margin-top:2px}
  .chart{height:195px}
  .login{margin:6vh auto}
  .login .card{padding:22px}
  input,select,button{font-size:16px}
}
.topActions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.dayBadge{white-space:nowrap;color:#176d56;background:#e7f1ec;border-radius:999px;padding:9px 13px;font-size:14px;font-weight:650}
@media(max-width:700px){.topActions{width:100%;justify-content:space-between}.dayBadge{font-size:13px;padding:8px 11px}}
.pkleader{color:#176d56;font-weight:650;margin:5px 0}