:root{
  --primary:#c2410c;
  --primary-700:#9a3412;
  --bg:#f6f4ee;
  --card:#fffdf8;
  --ink:#2b2722;
  --muted:#8a8378;
  --line:#e7e1d6;
  --ok:#2f9e6f;
  --warn:#d98a1a;
  --bad:#c0392b;
  --radius:14px;
  --shadow:0 6px 20px rgba(80,66,40,.10);
}
*{box-sizing:border-box}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",-apple-system,system-ui,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;-webkit-text-size-adjust:100%}
a{color:var(--primary);text-decoration:none}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
.center{display:flex;justify-content:center;align-items:flex-start;min-height:70vh;padding-top:8vh}

.topbar{background:linear-gradient(120deg,#c2410c,#e0683a);color:#fff;padding:14px 0;
  box-shadow:var(--shadow);position:sticky;top:0;z-index:5}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.brand{font-weight:700;font-size:18px}
.sub{font-size:12px;opacity:.92}
.topbar .links a{color:#fff;opacity:.95;margin-left:14px;font-size:13px}

.intro{padding:26px 0 6px}
.intro h1{margin:0 0 6px;font-size:22px}
.muted{color:var(--muted)}
.req{color:var(--bad);font-weight:700}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin:14px 0}
.card.ok{text-align:center;max-width:420px;margin:0 auto}
.card .check{font-size:42px;color:var(--ok);font-weight:700}
.code{background:#f0ebe0;padding:4px 10px;border-radius:8px;font-family:monospace;letter-spacing:1px}

form .grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px;display:flex;flex-direction:column}
label{font-size:13px;font-weight:600;margin-bottom:6px}
input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;background:#fffdf8;color:var(--ink);outline:none;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(194,65,12,.12)}
textarea{resize:vertical}
.hint{font-size:12px;color:var(--muted);margin:6px 0 0}

.btn{display:inline-block;padding:10px 18px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);cursor:pointer;font:inherit;font-weight:600;text-align:center}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-700)}
.btn.danger{background:#fff;border-color:var(--bad);color:var(--bad)}
.btn.ghost{background:transparent}
.btn.tiny{padding:5px 12px;font-size:13px}
.btn:disabled{opacity:.6;cursor:not-allowed}

.msg{font-size:13px;margin-top:10px;padding:8px 12px;border-radius:8px;background:#f0ebe0}
.msg.err{background:#fbeae8;color:var(--bad)}
.foot{font-size:13px;margin:8px 0;color:var(--muted)}

/* 状态徽章 */
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge.pending{background:#fdf0d8;color:var(--warn)}
.badge.approved{background:#e4f5ec;color:var(--ok)}
.badge.rejected{background:#fbeae8;color:var(--bad)}

/* 后台 */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin:14px 0}
.filters input,.filters select{flex:1;min-width:140px}
.filters .btn{flex:0 0 auto}
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
table.data{width:100%;border-collapse:collapse;font-size:13px;min-width:680px}
table.data th{background:#f3eee4;text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);font-weight:700}
table.data td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}

.kv{width:100%;border-collapse:collapse;font-size:14px}
.kv th{background:#f3eee4;text-align:left;padding:9px 12px;width:90px;border:1px solid var(--line);font-weight:700}
.kv td{padding:9px 12px;border:1px solid var(--line)}
.detail-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.files{list-style:none;padding:0;margin:8px 0}
.files li{padding:6px 0;border-bottom:1px dashed var(--line)}
.review textarea{width:100%}
.review-btns{display:flex;gap:10px;margin-top:8px}
.result{background:#f3eee4;border-radius:10px;padding:14px;margin-top:14px}

@media(max-width:560px){
  form .grid2{grid-template-columns:1fr}
  .intro h1{font-size:19px}
}