:root{--s-pri: #34495E;--s-pri-dark: #2C3E50;--s-bg: #f5f6f8;--surface: #FFFFFF;--text: #333333;--text2: #666666;--text3: #999999;--border: #EEEEEE;--danger: #E74C3C;--success: #27AE60;--radius-sm: 8px;--radius: 12px}*{margin:0;padding:0;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;-webkit-tap-highlight-color:transparent}body{background:var(--s-bg);min-height:100vh}#app{min-height:100vh;display:flex;flex-direction:column}#app>div:not(.nav-bar){flex:1;display:flex;flex-direction:column}.nav-bar{background:var(--s-pri);color:#fff;height:48px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.nav-title{font-size:16px;font-weight:600}.login-form{padding:40px 28px;display:flex;flex-direction:column}.logo-area{text-align:center;margin-bottom:28px}.logo-area .icon{font-size:44px}.logo-area h2{margin-top:10px;font-size:18px;color:var(--s-pri)}.logo-area p{color:var(--text3);font-size:12px;margin-top:4px}.field{margin-bottom:16px}.field label{display:block;font-size:12px;color:var(--text2);margin-bottom:6px;font-weight:500}.field input{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:15px;background:#fff;color:var(--text)}.field input:focus{outline:none;border-color:var(--s-pri);box-shadow:0 0 0 3px #34495e1a}.captcha-row{display:flex;gap:10px}.captcha-row input{flex:1}.captcha-img{width:110px;height:46px;border-radius:var(--radius-sm);border:1.5px solid var(--border);cursor:pointer;object-fit:cover;background:#f0f4f8}.btn-primary{width:100%;padding:14px;background:linear-gradient(135deg,var(--s-pri),var(--s-pri-dark));color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;box-shadow:0 4px 14px #34495e40}.btn-primary:active{opacity:.85}.btn-primary:disabled{opacity:.6}.btn-plain{width:100%;padding:12px;background:#fff;color:var(--s-pri);border:1.5px solid var(--s-pri);border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer}.login-tip{text-align:center;margin-top:16px;font-size:12px;color:var(--danger);min-height:18px}.scan-view{display:flex;flex-direction:column}.staff-top{padding:14px 20px;background:linear-gradient(135deg,var(--s-pri),var(--s-pri-dark));color:#fff;display:flex;justify-content:space-between;align-items:center;font-size:15px}.staff-top .logout{font-size:12px;cursor:pointer;opacity:.85;padding:4px 8px}.scan-area{flex:1;display:flex;flex-direction:column;align-items:center;padding:36px 24px}.scan-btn{width:140px;height:140px;border-radius:50%;background:linear-gradient(135deg,var(--s-pri),var(--s-pri-dark));color:#fff;border:none;font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 6px 28px #34495e4d;animation:pulse 2.5s ease-in-out infinite}.scan-btn:active{transform:scale(.96)}@keyframes pulse{0%,to{box-shadow:0 6px 28px #34495e4d}50%{box-shadow:0 6px 40px #34495e80}}.scan-hint{font-size:12px;color:var(--text3);margin-top:20px;text-align:center;line-height:1.8}.scan-input-area{width:100%;margin-top:28px}.scanner-box{width:100%;display:flex;flex-direction:column}#qr-reader{width:100%;border-radius:var(--radius);overflow:hidden;background:#000}#qr-reader video{width:100%}.scanner-box .btn-plain{margin-top:16px}.result-page{flex:1;display:flex;flex-direction:column;align-items:center;padding:48px 24px;text-align:center}.result-icon{font-size:64px;margin-bottom:12px}.result-title{font-size:20px;font-weight:600;margin-bottom:6px}.result-title.success{color:var(--success)}.result-title.fail{color:var(--danger)}.result-detail{background:var(--surface);border-radius:var(--radius);padding:18px;margin:20px 0;width:100%;text-align:left;font-size:14px;line-height:2.2;color:var(--text);box-shadow:0 1px 3px #0000000a}.result-detail .label{color:var(--text3);display:inline-block;width:76px}.btn-continue{width:auto;padding:12px 48px;border-radius:28px}