:root{
  --blue:#2563eb; --blue-d:#1d4ed8; --bg:#f3f5f8; --card:#fff;
  --ink:#16263a; --muted:#6b7a8c; --line:#e4e9ef; --ok:#0a9d63; --bad:#dc2626;
  --gold:#d99a00; --shadow:0 2px 14px rgba(20,40,70,.07);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:15px; line-height:1.5; -webkit-text-size-adjust:100%;
}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:560px;margin:0 auto;padding:18px 16px 60px}
.wrap.wide{max-width:1080px}
.card{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:20px;margin:14px 0}
.h1{font-size:21px;font-weight:700;margin:0 0 2px}
.sub{color:var(--muted);font-size:13px;margin:0}
.intro{color:#46566a;font-size:13.5px;background:#eef3fb;border-radius:10px;padding:12px 14px;margin:12px 0 0}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.center{text-align:center}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.spacer{flex:1}
label.fld{display:block;margin:12px 0 4px;font-size:13px;color:var(--muted)}
input[type=text],input[type=email],input[type=password],input[type=datetime-local],textarea,select{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:15px;background:#fff;color:var(--ink)
}
textarea{min-height:120px;font-family:ui-monospace,Menlo,monospace;font-size:13px}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--blue);color:#fff;border:none;
  padding:12px 18px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:.15s}
.btn:hover{background:var(--blue-d)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.block{width:100%}
.btn.sm{padding:7px 11px;font-size:13px;border-radius:8px}
.btn.ghost{background:#eef1f6;color:var(--ink)}
.btn.ghost:hover{background:#e2e7ef}
.btn.danger{background:#fdecec;color:var(--bad)}
.btn.danger:hover{background:#fbdada}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.pill.ok{background:#e3f6ee;color:var(--ok)}
.pill.bad{background:#fdecec;color:var(--bad)}
.pill.wait{background:#fff4d6;color:var(--gold)}
.pill.gray{background:#eef1f6;color:var(--muted)}

/* 候选选项卡片 */
.opts{display:grid;gap:10px;margin-top:8px}
.opt{display:flex;align-items:center;gap:12px;border:1.5px solid var(--line);border-radius:12px;padding:13px 14px;cursor:pointer;background:#fff;transition:.12s}
.opt:hover{border-color:#c4d2e8}
.opt.sel{border-color:var(--blue);background:#f4f8ff;box-shadow:0 0 0 3px rgba(37,99,235,.08)}
.opt .rad{width:20px;height:20px;border-radius:50%;border:2px solid #c3cede;flex:none;display:grid;place-items:center}
.opt.sel .rad{border-color:var(--blue)}
.opt.sel .rad::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--blue)}
.opt .nm{font-weight:600}
.opt .meta{color:var(--muted);font-size:12.5px}
.grp-title{font-size:13px;color:var(--muted);font-weight:600;margin:16px 0 2px;display:flex;align-items:center;gap:8px}
.grp-title::before{content:"";width:4px;height:14px;background:var(--blue);border-radius:2px}

/* 结果条 */
.bar-row{margin:9px 0}
.bar-top{display:flex;justify-content:space-between;font-size:14px;margin-bottom:3px}
.bar{height:12px;background:#eef1f6;border-radius:7px;overflow:hidden}
.bar > i{display:block;height:100%;background:linear-gradient(90deg,#3b82f6,#2563eb);border-radius:7px}
.lead{box-shadow:0 0 0 2px var(--gold) inset;border-radius:7px}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{text-align:left;padding:8px 9px;border-bottom:1px solid var(--line);vertical-align:middle}
th{color:var(--muted);font-weight:600;font-size:12.5px;white-space:nowrap}
td .mini{font-size:12px;color:var(--muted)}
.scroll{overflow:auto;-webkit-overflow-scrolling:touch}
code.tok{background:#f1f4f8;padding:2px 6px;border-radius:6px;font-size:12.5px}

/* tabs */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0 0}
.tab{padding:9px 14px;border-radius:9px;background:#eef1f6;color:var(--ink);cursor:pointer;font-size:14px;font-weight:600}
.tab.on{background:var(--blue);color:#fff}

/* toast */
#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:50;display:flex;flex-direction:column;gap:8px;align-items:center}
.tmsg{background:#16263a;color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;box-shadow:0 6px 20px rgba(0,0,0,.2);max-width:90vw}
.tmsg.bad{background:#b91c1c}
.tmsg.ok{background:#0a8a57}

.notice{background:#fff8e6;border:1px solid #f3e2b3;color:#7a5b00;border-radius:10px;padding:11px 13px;font-size:13px;margin:10px 0}
.count{font-variant-numeric:tabular-nums;font-weight:700}
.kv{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px dashed var(--line);font-size:14px}
.kv:last-child{border-bottom:none}
hr.sep{border:none;border-top:1px solid var(--line);margin:16px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:520px){.grid2{grid-template-columns:1fr}}