*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:#f5f6f8;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif;color:#262a33;font-size:15px;line-height:1.6}#root{min-height:100vh}.page{max-width:640px;margin:0 auto;padding:14px 14px 120px}.survey-header{background:linear-gradient(135deg,#4a7cf7,#3e6ee8);border-radius:14px;padding:22px 18px;color:#fff;margin-bottom:12px}.survey-title{font-size:19px;font-weight:600;line-height:1.45}.survey-desc{margin-top:10px;font-size:13px;opacity:.92;white-space:pre-wrap}.survey-meta{margin-top:12px;font-size:12px;opacity:.85}.rev-link{margin-left:4px;text-decoration:underline;text-underline-offset:3px}.q-card{background:#fff;border-radius:12px;padding:16px;margin-bottom:10px;box-shadow:0 1px 2px #2330570a;transition:box-shadow .2s}.q-card-error{box-shadow:0 0 0 1.5px #ff5a5a;animation:shake .3s}@keyframes 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#2330570f}.submit-logout{color:#3e6ee8;margin-left:8px;cursor:pointer}.btn-submit{flex:none;border:none;background:linear-gradient(135deg,#4a7cf7,#3e6ee8);color:#fff;font-size:16px;font-weight:500;border-radius:24px;padding:11px 34px;cursor:pointer;transition:opacity .2s}.btn-submit:active{opacity:.85}.btn-submit:disabled{background:#c6cdd9}.footer-space{height:30px}.sheet-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#141a268c;z-index:100;display:flex;align-items:flex-end;justify-content:center;animation:fadeIn .2s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sheet{width:100%;max-width:640px;background:#fff;border-radius:18px 18px 0 0;padding:18px 18px calc(20px + env(safe-area-inset-bottom));animation:slideUp .25s}@keyframes slideUp{0%{transform:translateY(60px);opacity:.5}to{transform:translateY(0);opacity:1}}.drawer{width:100%;max-width:640px;max-height:72vh;overflow-y:auto;background:#fff;border-radius:18px 18px 0 0;padding:18px 18px calc(20px + 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#07c16047}.btn-wx:active{background:#06ad56}.btn-wx-outline{background:transparent;color:#07c160;border:1px solid rgba(7,193,96,.5);box-shadow:none;font-size:14.5px;padding:10px 0}.sheet-wx-quick{margin:14px 0 4px}.wx-launch-tip{text-align:center;font-size:13px;color:#8a92a6;padding:12px 0}.wx-launch-placeholder{width:100%;border:1px dashed #d4d9e6;border-radius:12px;color:#b3b9c9;text-align:center;font-size:15px;padding:12px 0;background:#f6f8fc}.user-chip{display:inline-flex;align-items:center;gap:8px;background:#3e6ee814;border-radius:999px;padding:5px 14px 5px 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