:root{--ink:#172033;--muted:#687387;--line:#e5e9f0;--primary:#4f46e5;--primary-dark:#3730a3;--surface:#fff;--bg:#f5f7fb;--danger:#b42318}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}.container{width:min(960px,calc(100% - 32px));margin:auto}.topbar{background:#101828;color:#fff}.topbar .container{height:62px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:700;font-size:18px;color:#fff;text-decoration:none}.topbar nav{display:flex;gap:18px}.topbar nav a{color:#cbd5e1;text-decoration:none}.hero{padding:64px 0 30px}.hero.compact{padding-bottom:18px}.eyebrow{font-size:12px;letter-spacing:.18em;color:var(--primary);font-weight:700}.hero h1{font-size:38px;line-height:1.2;margin:8px 0 14px}.hero p{color:var(--muted);max-width:680px;margin:0}.survey-form,.card,.report-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 35px rgba(16,24,40,.05)}.survey-form{padding:30px}.progress-wrap{margin-bottom:28px}.progress-label{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.progress{height:8px;background:#edf0f5;border-radius:99px;overflow:hidden;margin-top:8px}.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,#6366f1,#8b5cf6);transition:width .25s}.page-heading{border-bottom:1px solid var(--line);margin-bottom:24px;padding-bottom:18px}.page-heading span{font-size:12px;color:var(--primary);font-weight:700}.page-heading h2{margin:4px 0 0;font-size:24px}.question{padding:0 0 24px;margin-bottom:24px;border-bottom:1px solid #f0f2f6}.question:last-child{border-bottom:0;margin-bottom:0}.question-label{display:block;font-weight:700;font-size:16px;margin-bottom:4px}.question-label b{color:var(--danger)}.question-help{color:var(--muted);font-size:13px;margin-bottom:10px}.question input[type=text],.question 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18px;text-decoration:none;cursor:pointer;font:inherit}.button:hover{background:var(--primary-dark)}.button.secondary{background:#eef2ff;color:#3730a3}.form-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:24px}.alert{border-radius:12px;padding:13px 16px;margin:0 0 20px}.alert.error{background:#fff1f0;color:var(--danger);border:1px solid #ffd4d1}.alert ul{margin:6px 0 0 20px}.invalid{background:#fff8f7;margin-left:-12px;margin-right:-12px;padding-left:12px;padding-right:12px;border-radius:10px}.report-meta{color:var(--muted);font-size:13px;margin:0 0 16px}.report-card{padding:24px;margin:14px 0}.report-card h2{font-size:20px;margin:0 0 14px}.report-item{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:10px 0}.report-item span{color:var(--muted)}.center{text-align:center;margin:26px 0}.footer{color:#98a2b3;font-size:12px;padding:28px 0 40px}.narrow{max-width:520px;margin:70px auto;padding:30px}.admin-head{display:flex;align-items:end;justify-content:space-between;gap:16px;padding:42px 0 20px}.admin-head h1{margin:0}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:16px}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}.data-table th{font-size:12px;color:var(--muted);background:#fafbfc}.data-table tr:last-child td{border-bottom:0}.badge{padding:3px 8px;border-radius:99px;font-size:12px}.badge.on{background:#ecfdf3;color:#067647}.badge.off{background:#f2f4f7;color:#667085}.admin-form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-weight:700}.code-help{color:var(--muted);font-size:12px}.response-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}.response-cell{padding:14px;background:#fff;border:1px solid var(--line);border-radius:12px}.response-cell small{display:block;color:var(--muted)}@media(max-width:640px){.hero h1{font-size:30px}.survey-form{padding:20px}.form-grid,.response-grid{grid-template-columns:1fr}.location-row{display:grid}.admin-head{align-items:start;flex-direction:column}}