/* 千人健步走报名系统 · 移动优先样式（仅用系统字体，无外链字体/图标） */
:root{
  --brand:#e8462a; --brand-2:#ff7a45; --brand-soft:#fff1ec;
  --ink:#1d2330; --ink-2:#3f4757; --muted:#7b8495; --line:#e9ebf0;
  --bg:#f5f6f8; --card:#fff; --ok:#12925b; --ok-soft:#e8f7ef;
  --warn:#c47a06; --warn-soft:#fff6e3; --err:#d1372b; --err-soft:#fdeceb;
  --blue:#2b5bd7; --blue-soft:#eaf0ff;
  --radius:16px; --shadow:0 6px 22px rgba(24,32,52,.07);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:15px; line-height:1.6; -webkit-text-size-adjust:100%;
}
a{color:var(--brand);text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
img{max-width:100%}
.wrap{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);padding-bottom:32px;position:relative}
.admin-wrap{max-width:1240px;margin:0 auto;padding:0 16px 48px}
.pad{padding:16px}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.tiny{font-size:11.5px}
.center{text-align:center}
.b{font-weight:700}
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}.mt24{margin-top:24px}
.mb8{margin-bottom:8px}.mb12{margin-bottom:12px}.mb16{margin-bottom:16px}
.row{display:flex;align-items:center;gap:10px}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.grow{flex:1;min-width:0}
.hidden{display:none!important}

/* 顶部 */
.hero{
  background:linear-gradient(145deg,#f0482a 0%,#ff7a45 58%,#ffa45e 100%);
  color:#fff;padding:30px 20px 46px;position:relative;overflow:hidden;
}
.hero::after{content:"";position:absolute;right:-60px;top:-70px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.10)}
.hero::before{content:"";position:absolute;right:34px;bottom:-90px;width:170px;height:170px;border-radius:50%;background:rgba(255,255,255,.08)}
.hero .eyebrow{font-size:12px;letter-spacing:3px;opacity:.9;font-weight:600}
.hero h1{font-size:29px;line-height:1.24;margin:10px 0 6px;font-weight:800;letter-spacing:1px}
.hero .sub{opacity:.94;font-size:14px}
.hero .badge{display:inline-block;margin-top:16px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);padding:4px 12px;border-radius:99px;font-size:12.5px}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:20}
.topbar .title{font-weight:700;font-size:16px}
.topbar .back{color:var(--ink-2);font-size:20px;line-height:1;padding:2px 6px 4px 0;background:none;border:0}
.icon-btn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:6px 10px;color:var(--ink-2);font-size:13px}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin:12px 16px}
.card.flat{box-shadow:none}
.card-hd{font-weight:700;font-size:15.5px;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}
.card-hd .note{font-weight:400;font-size:12px;color:var(--muted)}
.kv{display:flex;gap:12px;padding:7px 0;font-size:14px;border-bottom:1px dashed var(--line)}
.kv:last-child{border-bottom:0}
.kv .k{width:76px;flex:none;color:var(--muted)}
.kv .v{flex:1;word-break:break-all}
.notice{white-space:pre-wrap;font-size:13.5px;color:var(--ink-2);line-height:1.85}

/* 统计 */
.stats{display:flex;gap:10px;margin:-28px 16px 12px;position:relative;z-index:2}
.stat{flex:1;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:14px 8px;text-align:center}
.stat .n{font-size:23px;font-weight:800;color:var(--brand);line-height:1.2}
.stat .l{font-size:11.5px;color:var(--muted);margin-top:2px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:11px;padding:10px 16px;font-weight:600;transition:.15s;min-height:42px}
.btn:active{transform:scale(.985)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0;box-shadow:0 6px 16px rgba(232,70,42,.24)}
.btn-ok{background:var(--ok);color:#fff;border:0}
.btn-block{display:flex;width:100%}
.btn-lg{min-height:52px;font-size:16.5px;border-radius:13px;font-weight:700}
.btn-sm{min-height:32px;padding:5px 10px;font-size:12.5px;border-radius:8px;font-weight:500}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-2)}
.btn-danger{color:var(--err);border-color:#f3c7c3;background:#fff}
.btn-blue{color:var(--blue);border-color:#c9d7f8;background:var(--blue-soft)}

/* 表单 */
.field{margin-bottom:14px}
.label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px;color:var(--ink-2)}
.label .req{color:var(--brand);margin-left:2px}
.input,.select,textarea.input{width:100%;border:1px solid var(--line);background:#fff;border-radius:11px;padding:11px 12px;color:var(--ink);outline:none;transition:.15s;min-height:44px}
.input:focus,.select:focus,textarea.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,70,42,.09)}
.input::placeholder{color:#adb4c0}
.hint{font-size:11.5px;color:var(--muted);margin-top:5px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:#fff;border-radius:9px;min-width:56px;padding:8px 10px;text-align:center;font-size:13.5px;color:var(--ink-2);transition:.15s}
.chip.on{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);font-weight:700}
.seg{display:flex;gap:10px}
.seg .chip{flex:1;min-width:0}
.check{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--ink-2);line-height:1.65;margin:10px 0}
.check input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand);flex:none}
.check .link{white-space:nowrap}

/* 状态 */
.tag{display:inline-block;padding:2px 9px;border-radius:99px;font-size:11.5px;font-weight:600;background:#f0f2f5;color:var(--ink-2)}
.tag.ok{background:var(--ok-soft);color:var(--ok)}
.tag.warn{background:var(--warn-soft);color:var(--warn)}
.tag.err{background:var(--err-soft);color:var(--err)}
.tag.blue{background:var(--blue-soft);color:var(--blue)}
.banner{border-radius:12px;padding:12px 14px;font-size:13.5px;line-height:1.7}
.banner.ok{background:var(--ok-soft);color:#0d7045}
.banner.warn{background:var(--warn-soft);color:#8a5803}
.banner.err{background:var(--err-soft);color:#a52c22}
.banner.info{background:var(--blue-soft);color:#244ba8}
.empty{text-align:center;color:var(--muted);padding:34px 10px;font-size:13.5px}

/* 凭证 */
.bib-box{text-align:center;padding:20px 10px 8px}
.bib-box .lab{font-size:12px;color:var(--muted);letter-spacing:2px}
.bib-box .num{font-size:48px;font-weight:800;letter-spacing:4px;line-height:1.25;color:var(--brand);font-family:"Segoe UI",Consolas,monospace}
.ticket-card{background:linear-gradient(160deg,#fff 0%,#fff8f5 100%);border:1px solid #ffded2}
.qr-box{width:212px;height:212px;margin:14px auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;display:flex;align-items:center;justify-content:center}
.qr-box svg{width:100%;height:100%}
.dash{border-top:1px dashed #e5cfc5;margin:14px 0}

/* 提示 */
.toast{position:fixed;left:50%;top:22px;transform:translateX(-50%) translateY(-20px);background:rgba(28,34,46,.94);color:#fff;padding:10px 18px;border-radius:10px;font-size:13.5px;z-index:999;opacity:0;transition:.22s;max-width:86vw;text-align:center;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.modal-mask{position:fixed;inset:0;background:rgba(18,22,32,.5);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:#fff;border-radius:16px;width:100%;max-width:480px;max-height:82vh;display:flex;flex-direction:column;overflow:hidden}
.modal .hd{padding:16px;border-bottom:1px solid var(--line);font-weight:700;display:flex;justify-content:space-between;align-items:center}
.modal .bd{padding:16px;overflow:auto;white-space:pre-wrap;font-size:13.5px;line-height:1.85;color:var(--ink-2)}
.modal .ft{padding:12px 16px;border-top:1px solid var(--line)}
.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 后台 */
.admin-head{display:flex;align-items:center;justify-content:space-between;padding:18px 0 12px;gap:12px;flex-wrap:wrap}
.admin-head h1{font-size:20px;margin:0}
.tabs{display:flex;gap:4px;overflow-x:auto;padding:4px 0 12px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:99px;padding:7px 15px;font-size:13.5px;color:var(--ink-2)}
.tab.on{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:600}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
.panel + .panel{margin-top:14px}
.panel h2{font-size:15.5px;margin:0 0 14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.metric{background:#fafbfc;border:1px solid var(--line);border-radius:12px;padding:14px}
.metric .n{font-size:25px;font-weight:800;line-height:1.2}
.metric .l{font-size:12px;color:var(--muted)}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.toolbar .input{width:auto;min-width:130px;flex:1;max-width:240px}
.toolbar .select{width:auto;min-width:110px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#fafbfc;color:var(--muted);font-weight:600;font-size:12.5px;position:sticky;top:0}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fcfcfd}
.pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;font-size:13px}
.bar-row{display:flex;align-items:center;gap:10px;margin:6px 0;font-size:12.5px}
.bar-row .name{width:64px;flex:none;color:var(--ink-2)}
.bar-row .track{flex:1;height:9px;background:#f0f2f5;border-radius:9px;overflow:hidden}
.bar-row .fill{height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-2));border-radius:9px}
.bar-row .v{width:44px;text-align:right;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.login-box{max-width:380px;margin:12vh auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow)}
.qr-mini{width:220px;height:220px;margin:12px auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;display:flex;align-items:center;justify-content:center}
.qr-mini svg{width:100%;height:100%}
.code-box{font-family:Consolas,"Segoe UI",monospace;font-size:19px;letter-spacing:2px;font-weight:700;background:#f6f7f9;border:1px dashed var(--line);padding:9px 12px;border-radius:9px;text-align:center}
.log-list{max-height:340px;overflow:auto;font-size:12.5px}
.log-item{padding:8px 0;border-bottom:1px dashed var(--line);display:flex;gap:10px}
.log-item .t{color:var(--muted);width:140px;flex:none}
.footer{text-align:center;color:var(--muted);font-size:11.5px;padding:24px 16px 8px;line-height:1.8}
.free-strip{background:#fff8e9;color:#8a5803;text-align:center;font-size:12.5px;padding:9px 12px;border-top:1px solid #f5e3bb;border-bottom:1px solid #f5e3bb}
@media(max-width:600px){
  .admin-wrap{padding:0 12px 40px}
  .panel{padding:13px}
  .hero h1{font-size:26px}
  .card{margin:12px}
  .stats{margin:-28px 12px 12px}
  .toolbar .input{max-width:none}
}