/* 填问卷平台 · 问卷星风格外壳 · 版权 © 凯恩思 */
:root{
  --primary:#2563eb; --primary-d:#1d4ed8; --accent:#0ea5e9;
  --bg:#f4f6fb; --card:#fff; --line:#e6e9f0; --text:#1f2733; --muted:#8a93a6;
  --ok:#16a34a; --warn:#f59e0b; --danger:#ef4444; --chip:#eef2ff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.topbar{height:56px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  padding:0 24px;position:sticky;top:0;z-index:20;box-shadow:0 1px 4px rgba(20,30,60,.04)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--primary)}
.brand .dot{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px}
.brand .copy{font-size:12px;color:var(--muted);font-weight:400;margin-left:4px}
.topbar .spacer{flex:1}
.topbar .user{display:flex;align-items:center;gap:12px;font-size:13px;color:#475066}
.topbar .user .name{font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:8px;
  border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer;font-size:14px;transition:.15s;font-weight:500}
.btn:hover{border-color:var(--primary);color:var(--primary)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d);color:#fff}
.btn.ghost{background:transparent}
.btn.sm{padding:5px 11px;font-size:13px}
.btn.danger{border-color:#f3c9c9;color:var(--danger)}
.btn.danger:hover{background:#fff5f5;border-color:var(--danger)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.container{max-width:1080px;margin:0 auto;padding:24px}
.tabs{display:flex;gap:4px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:4px;width:fit-content;margin-bottom:18px}
.tabs .tab{padding:8px 18px;border-radius:7px;cursor:pointer;color:#475066;font-weight:500}
.tabs .tab.active{background:var(--chip);color:var(--primary)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 1px 3px rgba(20,30,60,.03)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.survey-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;transition:.15s;cursor:pointer}
.survey-card:hover{border-color:var(--primary);box-shadow:0 6px 18px rgba(37,99,235,.08);transform:translateY(-2px)}
.survey-card h3{margin:0 0 6px;font-size:16px}
.survey-card .meta{color:var(--muted);font-size:12px;display:flex;gap:12px;margin:10px 0}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge.draft{background:#f1f5f9;color:#64748b}
.badge.open{background:#e7f7ee;color:var(--ok)}
.badge.closed{background:#fef2f2;color:var(--danger)}
.survey-card .acts{display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:12px;margin-top:6px}
.section-title{font-size:15px;font-weight:700;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.muted{color:var(--muted)}
.right{margin-left:auto}
input,textarea,select{font-family:inherit;font-size:14px;padding:9px 12px;border:1px solid var(--line);border-radius:8px;
  width:100%;background:#fff;color:var(--text);outline:none}
input:focus,textarea:focus,select:focus{border-color:var(--primary)}
label{font-size:13px;color:#475066;display:block;margin:10px 0 5px;font-weight:500}
.field{margin-bottom:6px}
.modal-mask{position:fixed;inset:0;background:rgba(20,30,60,.45);display:none;align-items:center;justify-content:center;z-index:50}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:14px;padding:24px;width:440px;max-width:92vw;max-height:88vh;overflow:auto}
.modal h3{margin:0 0 16px}
.modal .close{position:absolute;top:14px;right:16px;cursor:pointer;color:var(--muted);font-size:20px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600}
.pill{display:inline-block;padding:2px 8px;border-radius:6px;background:var(--chip);color:var(--primary);font-size:12px;font-weight:600}
.pill.member{background:#f1f5f9;color:#64748b}
.bar-row{display:flex;align-items:center;gap:10px;margin:7px 0;font-size:13px}
.bar-row .lab{width:120px;color:#475066;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-track{flex:1;background:#eef1f7;border-radius:6px;height:22px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:6px;display:flex;align-items:center;justify-content:flex-end;padding-right:8px;color:#fff;font-size:12px;min-width:30px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-bottom:20px}
.stat-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.stat-box .n{font-size:26px;font-weight:700;color:var(--primary)}
.stat-box .t{color:var(--muted);font-size:12px;margin-top:4px}
.q-block{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:12px}
.q-block .qhead{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.q-block .qhead .qt{font-weight:600}
.opt-row{display:flex;gap:8px;align-items:center;margin:6px 0}
.opt-row input{flex:1}
.opt-row .del{cursor:pointer;color:var(--danger);font-weight:700;padding:0 6px}
.tag{display:inline-block;padding:1px 7px;border-radius:5px;background:#eef2ff;color:var(--primary);font-size:11px;margin-left:6px}
.center-wrap{max-width:560px;margin:60px auto;text-align:center}
.q-type-pick{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.q-type-pick .opt{padding:7px 12px;border:1px solid var(--line);border-radius:8px;cursor:pointer;font-size:13px}
.q-type-pick .opt:hover{border-color:var(--primary);color:var(--primary)}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.plan-card{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff;position:relative}
.plan-card.cur{border-color:var(--primary);box-shadow:0 6px 18px rgba(37,99,235,.1)}
.plan-card h3{margin:0 0 4px}
.plan-card .price{font-size:22px;font-weight:700;color:var(--primary);margin:8px 0}
.plan-card ul{list-style:none;padding:0;margin:12px 0;font-size:13px;color:#475066}
.plan-card li{margin:6px 0;padding-left:18px;position:relative}
.plan-card li:before{content:"✓";position:absolute;left:0;color:var(--ok)}
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#1f2733;color:#fff;padding:11px 20px;border-radius:10px;opacity:0;transition:.25s;z-index:99;font-size:13px}
.toast.show{opacity:1}
.qr-box{text-align:center}
.qr-box canvas{margin:0 auto;border:1px solid var(--line);border-radius:10px;padding:10px;background:#fff}
.link-box{display:flex;gap:8px;margin-top:12px}
.link-box input{font-size:12px}
.hidden{display:none}
.fillin-page{max-width:640px;margin:0 auto;padding:24px 16px 60px}
.fillin-page .q{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:16px}
.fillin-page .q .qt{font-weight:600;margin-bottom:4px}
.fillin-page .q .qt .req{color:var(--danger);margin-right:4px}
.fillin-page .opt{display:block;padding:10px 12px;border:1px solid var(--line);border-radius:9px;margin:7px 0;cursor:pointer}
.fillin-page .opt:hover{border-color:var(--primary)}
.fillin-page .opt.sel{border-color:var(--primary);background:var(--chip)}
.thanks{text-align:center;padding:80px 20px}
.thanks .ic{font-size:54px}
@media(max-width:720px){.container{padding:16px}.plan-grid{grid-template-columns:1fr}.topbar{padding:0 14px}}