:root{
  --blue:#1f3a93; --blue-2:#2c4fae; --blue-light:#eaf0fb;
  --gold:#f5a623; --green:#1faa59; --green-bg:#e9f8ef;
  --red:#e2492b; --red-bg:#fdecea;
  --ink:#1f2d3d; --muted:#6b7a90; --line:#e6ecf3;
  --card:#ffffff; --radius:16px;
}
*{box-sizing:border-box}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:linear-gradient(160deg,#e9eefb 0%,#f5f8fd 45%,#ffffff 100%);
  color:var(--ink);min-height:100vh;
}

/* ---------- 前台查询页 ---------- */
.page{display:flex;align-items:center;justify-content:center;padding:24px;}
.container{width:100%;max-width:460px;}
.brand{text-align:center;margin-bottom:18px;}
.brand__logo{
  display:inline-flex;align-items:center;justify-content:center;width:88px;height:88px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  box-shadow:0 10px 24px rgba(31,58,147,.18);
}
.brand__logo img{width:74px;height:74px;display:block}
.brand__school{margin-top:12px;font-size:21px;font-weight:800;}
.brand__sub{font-size:13px;color:var(--muted);margin-top:2px;}
.card{background:var(--card);border-radius:var(--radius);padding:28px 26px;box-shadow:0 18px 50px rgba(31,58,147,.14);}
.lead{color:var(--muted);font-size:14px;text-align:center;margin:0 0 18px;line-height:1.6;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#33455c;}
.field input{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;font-size:15px;
  outline:none;transition:.2s;background:#fbfdff;
}
.field input:focus{border-color:var(--blue-2);box-shadow:0 0 0 4px rgba(44,79,174,.14);}
.btn{
  width:100%;padding:13px;border:none;border-radius:12px;
  background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;font-size:16px;font-weight:700;
  cursor:pointer;transition:.2s;margin-top:8px;
}
.btn:hover{filter:brightness(1.05);transform:translateY(-1px);}
.btn--ghost{background:#fff;color:var(--blue-2);border:1.5px solid var(--line);}

.result{margin-bottom:18px;border-radius:14px;padding:22px;text-align:center;animation:pop .35s ease;}
@keyframes pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
.result--ok{background:var(--green-bg);border:1px solid #bfe9cf;}
.result--no{background:#fff6ec;border:1px solid #f6d9b0;}
.result--err{background:var(--red-bg);border:1px solid #f6c9bf;}
.result__icon{width:58px;height:58px;border-radius:50%;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:30px;}
.result--ok .result__icon{background:linear-gradient(135deg,#1faa59,#36c47b);}
.result--no .result__icon{background:linear-gradient(135deg,#f5a623,#f6b94a);}
.result--err .result__icon{background:linear-gradient(135deg,#e2492b,#ef6a4f);}
.result h2{margin:6px 0;font-size:20px;}
.result__sub{color:var(--muted);font-size:13px;margin:0;}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;}
.info-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;}
.info-box--full{grid-column:1/3;}
.info-box__label{font-size:12px;color:var(--muted);}
.info-box__value{font-size:22px;font-weight:800;color:var(--blue);margin-top:4px;}
.contact{margin-top:14px;font-size:14px;color:#33455c;}
.contact a{color:var(--blue-2);font-weight:700;text-decoration:none;margin-left:6px;}
.foot{text-align:center;color:var(--muted);font-size:12px;margin-top:16px;}

/* ---------- 后台 ---------- */
.admin-wrap{max-width:1120px;margin:0 auto;padding:22px;}
.admin-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px;}
.admin-top__left{display:flex;align-items:center;gap:10px;}
.admin-top__logo{width:38px;height:38px;display:block;}
.admin-top h1{font-size:20px;margin:0;}
.admin-top .who{font-size:13px;color:var(--muted);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px;}
.stat{background:#fff;border-radius:14px;padding:16px 18px;box-shadow:0 8px 24px rgba(31,58,147,.08);}
.stat__num{font-size:26px;font-weight:800;color:var(--blue);}
.stat__label{font-size:13px;color:var(--muted);margin-top:4px;}
.panel{background:#fff;border-radius:14px;padding:18px 20px;box-shadow:0 8px 24px rgba(31,58,147,.08);margin-bottom:18px;}
.panel h3{margin:0 0 12px;font-size:15px;}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.toolbar input[type=text]{padding:9px 12px;border:1.5px solid var(--line);border-radius:10px;font-size:14px;outline:none;}
.toolbar input[type=file]{font-size:13px;}
.btn-sm{padding:9px 16px;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;
  background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;transition:.2s;text-decoration:none;display:inline-block;}
.btn-sm:hover{filter:brightness(1.05);}
.btn-sm--ghost{background:#fff;color:var(--blue-2);border:1.5px solid var(--line);}
.msg{padding:10px 14px;border-radius:10px;font-size:14px;margin-bottom:12px;}
.msg--ok{background:var(--green-bg);color:#147a40;border:1px solid #bfe9cf;}
.msg--err{background:var(--red-bg);color:#a3271a;border:1px solid #f6c9bf;}
.note{font-size:13px;color:var(--muted);margin:8px 0 0;line-height:1.7;}

table{width:100%;border-collapse:collapse;font-size:14px;}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;}
th{background:var(--blue-light);color:#2b3f73;font-weight:700;font-size:13px;white-space:nowrap;}
tbody tr:hover{background:#f7faff;}
.tag{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700;}
.tag--ok{background:var(--green-bg);color:var(--green);}
.tag--no{background:#fff6ec;color:#c9791a;}

.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px;}
.login-card{width:100%;max-width:360px;background:#fff;border-radius:var(--radius);padding:30px 26px;box-shadow:0 18px 50px rgba(31,58,147,.14);}
.login-logo{display:flex;justify-content:center;margin-bottom:14px;}
.login-logo img{width:66px;height:66px;display:block;}
.login-card h2{margin:0 0 4px;font-size:20px;text-align:center;}
.login-card .sub{text-align:center;color:var(--muted);font-size:13px;margin-bottom:20px;}
.login-err{background:var(--red-bg);color:#a3271a;border:1px solid #f6c9bf;padding:9px 12px;border-radius:10px;font-size:13px;margin-bottom:14px;}
.link{color:var(--blue-2);text-decoration:none;font-size:13px;}

@media (max-width:640px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .admin-wrap{padding:14px;}
  table{font-size:13px;}
  th,td{padding:8px 9px;}
}