:root{
  --primary:#1d4ed8;
  --primary-dark:#0f172a;
  --secondary:#0ea5e9;
  --text:#0f172a;
  --muted:#64748b;
  --bg:#f8fafc;
  --card:#ffffff;
  --border:#e2e8f0;
  --success:#16a34a;
  --warning:#f59e0b;
  --danger:#dc2626;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:linear-gradient(180deg,#eaf2ff 0,#f8fafc 180px,#f8fafc 100%);
  color:var(--text);
  position:relative;
}
body::before{
  content:'';
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  pointer-events:none;
  z-index:0;
  opacity:0.03;
  background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200" viewBox="0 0 200 200"><text x="50%" y="50%" dominant-baseline="middle" text-anchor="middle" font-size="24" font-family="PingFang SC,Microsoft YaHei" fill="%231d4ed8" transform="rotate(-30 100 100)">志愿帮</text></svg>');
  background-repeat:repeat;
}
a{text-decoration:none;color:inherit}
.container{max-width:760px;margin:0 auto;padding:18px}
.hero{
  background:linear-gradient(135deg,#0f172a 0,#1d4ed8 60%,#0ea5e9 100%);
  color:#fff;border-radius:24px;padding:24px;box-shadow:0 20px 50px rgba(15,23,42,.18);
}
.brand{display:flex;justify-content:space-between;align-items:center;gap:12px}
.brand-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);padding:8px 12px;border-radius:999px;font-size:13px}
.hero h1{font-size:34px;line-height:1.2;margin:18px 0 10px}
.hero p{margin:0;color:rgba(255,255,255,.88);line-height:1.7}
.value-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.value-item{background:rgba(255,255,255,.14);backdrop-filter: blur(6px);padding:14px;border-radius:16px;font-size:14px}
.card{
  background:var(--card);border:1px solid rgba(226,232,240,.9);border-radius:22px;padding:20px;
  box-shadow:0 12px 35px rgba(15,23,42,.06);margin-top:18px
}
.card h2{font-size:22px;margin:0 0 10px}
.muted{color:var(--muted)}
.form-group{margin-bottom:14px}
label{display:block;font-weight:600;margin-bottom:8px;font-size:14px}
input,select,textarea{
  width:100%;padding:14px 14px;border:1px solid var(--border);border-radius:14px;font-size:15px;outline:none;background:#fff;
}
input:focus,select:focus,textarea:focus{border-color:#60a5fa;box-shadow:0 0 0 4px rgba(59,130,246,.12)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:14px;padding:14px 18px;
  font-size:16px;font-weight:700;cursor:pointer;transition:.2s;width:100%
}
.btn-primary{background:linear-gradient(135deg,#2563eb,#0ea5e9);color:#fff}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(37,99,235,.24)}
.btn-secondary{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}
.btn-danger{background:#fee2e2;color:#b91c1c;border:1px solid #fecaca}
.btn-row{display:flex;gap:10px}
.notice{padding:14px;border-radius:16px;background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.step{padding:12px;border-radius:16px;background:#f8fafc;border:1px solid var(--border);font-size:13px;text-align:center}
.footer-note{font-size:13px;line-height:1.8;color:var(--muted)}
.question-title{font-size:24px;line-height:1.5;font-weight:700}
.option-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:18px}
.option-card{
  display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border:1px solid var(--border);
  border-radius:16px;background:#fff;cursor:pointer;transition:.2s
}
.option-card:hover{border-color:#60a5fa;background:#eff6ff}
.progress-wrap{margin:14px 0 2px}
.progress{
  width:100%;height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden
}
.progress-bar{height:100%;background:linear-gradient(90deg,#2563eb,#0ea5e9)}
.badge{display:inline-flex;padding:8px 12px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:13px;margin:4px 6px 0 0}
.tag-danger{background:#fef2f2;color:#b91c1c}
.tag-success{background:#f0fdf4;color:#15803d}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}
th{background:#f8fafc}
.report-section{margin-top:18px}
.report-section h3{margin:0 0 10px;font-size:18px}
.score-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.score-box{padding:14px;border-radius:16px;background:#f8fafc;border:1px solid var(--border)}
.cta{
  background:linear-gradient(135deg,#eff6ff,#f0fdf4);border:1px solid #bfdbfe;border-radius:20px;padding:18px
}
.topbar{background:#0f172a;color:#fff;padding:14px 18px;display:flex;justify-content:space-between;align-items:center}
.admin-layout{display:flex;min-height:100vh;background:#f8fafc}
.sidebar{width:240px;background:#0f172a;color:#fff;padding:22px 16px}
.sidebar .logo{font-weight:800;font-size:20px;margin-bottom:18px}
.nav a{display:block;padding:12px 14px;border-radius:12px;color:#cbd5e1;margin-bottom:6px}
.nav a:hover,.nav a.active{background:#1e293b;color:#fff}
.admin-main{flex:1;padding:24px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{background:#fff;padding:18px;border-radius:18px;border:1px solid var(--border);box-shadow:0 10px 20px rgba(15,23,42,.04)}
.inline-form{display:flex;gap:10px;flex-wrap:wrap}
.inline-form input,.inline-form select{width:auto;min-width:160px}
.small{font-size:12px}
@media (max-width: 768px){
  .container{padding:14px}
  .hero h1{font-size:28px}
  .value-grid,.score-grid,.steps,.stat-grid{grid-template-columns:1fr}
  .admin-layout{display:block}
  .sidebar{width:100%}
  .admin-main{padding:14px}
}