body{color:#333;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f7f5f9;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}#root{width:100%;max-width:800px;min-height:100vh;margin:0 auto}*{box-sizing:border-box;margin:0;padding:0}body{color:#333;-webkit-font-smoothing:antialiased;background:#f7f5f9;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}#root{flex-direction:column;width:100%;max-width:800px;min-height:100vh;margin:0 auto;display:flex}.page{flex:1;padding:0 0 40px}.header{z-index:100;background:#fff;border-bottom:1px solid #eee;justify-content:space-between;align-items:center;padding:16px 24px;display:flex;position:sticky;top:0}.header-left{align-items:center;gap:10px;display:flex}.heart-icon{color:#8b5cf6;font-size:22px}.header 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#ddd;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:18px;font-weight:500;transition:all .2s;display:flex}.radio-circle.checked{color:#fff;background:linear-gradient(135deg,#8b5cf6,#7c3aed);border-color:#7c3aed}.radio-label{color:#999;text-align:center;font-size:12px;line-height:1.3}.text-input{resize:vertical;color:#333;border:1px solid #ddd;border-radius:10px;width:100%;padding:14px 16px;font-family:inherit;font-size:14px;line-height:1.6;transition:border-color .2s}.text-input:focus{border-color:#8b5cf6;outline:none}.text-input::placeholder{color:#bbb}.checkbox-group{flex-direction:column;gap:10px;display:flex}.checkbox-item{cursor:pointer;color:#555;align-items:center;gap:10px;font-size:14px;display:flex}.checkbox-item input{display:none}.checkbox-circle{border:2px solid #ddd;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;transition:all .2s;display:flex}.checkbox-circle.checked{background:#8b5cf6;border-color:#8b5cf6}.checkbox-circle.checked:after{content:"✓";color:#fff;font-size:14px}.qr-footer{text-align:center;background:#fff;border:1px solid #eee;border-radius:14px;margin:32px 24px 0;padding:32px 24px}.qr-footer p{color:#888;margin-bottom:16px;font-size:15px}.qr-footer img{border-radius:8px;width:160px;height:160px}.thank-you{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:60vh;padding:40px;display:flex}.check-icon{color:#fff;background:linear-gradient(135deg,#8b5cf6,#7c3aed);border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:24px;font-size:40px;display:flex}.thank-you h2{color:#1a1a2e;margin-bottom:8px;font-size:24px}.thank-you p{color:#888;font-size:15px}.loading-wrapper,.error-wrapper{color:#888;flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:60vh;font-size:15px;display:flex}.spinner{border:3px solid #eee;border-top-color:#8b5cf6;border-radius:50%;width:36px;height:36px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=640px){.header{flex-direction:column;gap:12px;padding:12px 16px}.header-right{justify-content:space-between;width:100%}.progress-bar{width:100px}.tabs{padding:0 16px}.tab{padding:12px 14px;font-size:14px}.questions{padding:12px 16px}.question-card{padding:18px}.rating-group{flex-wrap:wrap;justify-content:center;gap:2px}.rating-item{flex:none;min-width:52px}.radio-circle{width:38px;height:38px;font-size:15px}.radio-label{font-size:10px;line-height:1.2}.intro{margin:12px 16px;padding:12px 16px}}