#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50;margin:0;padding:0;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.container[data-v-91be71e9]{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.form-container[data-v-91be71e9]{background:#fff;padding:2rem;border-radius:10px;box-shadow:0 10px 25px #0000001a;width:100%;max-width:400px}.form-title[data-v-91be71e9]{text-align:center;margin-bottom:2rem;color:#333;font-size:1.8rem;font-weight:600}.form-group[data-v-91be71e9]{margin-bottom:1.5rem}.form-label[data-v-91be71e9]{display:block;margin-bottom:.5rem;color:#555;font-weight:500}.form-input[data-v-91be71e9]{width:100%;padding:.75rem;border:2px solid #e1e5e9;border-radius:5px;font-size:1rem;transition:border-color .3s ease;box-sizing:border-box}.form-input[data-v-91be71e9]:focus{outline:none;border-color:#667eea}.form-input[data-v-91be71e9]:disabled{background-color:#f5f5f5;cursor:not-allowed}.username-hint[data-v-91be71e9],.password-hint[data-v-91be71e9]{font-size:.8rem;color:#666;margin-top:.25rem}.form-button[data-v-91be71e9]{width:100%;padding:.75rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:5px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s ease;position:relative}.form-button[data-v-91be71e9]:hover:not(:disabled){transform:translateY(-2px)}.form-button[data-v-91be71e9]:disabled{opacity:.6;cursor:not-allowed;transform:none}.loading[data-v-91be71e9]{display:inline-block;width:16px;height:16px;border:2px solid #ffffff;border-radius:50%;border-top-color:transparent;animation:spin-91be71e9 1s ease-in-out infinite}@keyframes spin-91be71e9{to{transform:rotate(360deg)}}.form-link[data-v-91be71e9]{text-align:center;margin-top:1.5rem;color:#666}.form-link a[data-v-91be71e9]{color:#667eea;text-decoration:none;font-weight:500}.form-link a[data-v-91be71e9]:hover{text-decoration:underline}.error-message[data-v-91be71e9]{background-color:#fee;color:#c33;padding:.75rem;border-radius:5px;margin-bottom:1rem;border:1px solid #fcc}.success-message[data-v-91be71e9]{background-color:#efe;color:#3c3;padding:.75rem;border-radius:5px;margin-bottom:1rem;border:1px solid #cfc}[data-v-b27562dc]{box-sizing:border-box}.dashboard[data-v-b27562dc]{min-height:100vh;background:#f5f7fa}.dashboard-header[data-v-b27562dc]{background:#fff;box-shadow:0 2px 10px #0000001a;padding:20px 0}.header-content[data-v-b27562dc]{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.header-content h1[data-v-b27562dc]{color:#333;margin:0}.user-info[data-v-b27562dc]{display:flex;align-items:center;gap:20px}.logout-btn[data-v-b27562dc]{background:#e74c3c;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px}.logout-btn[data-v-b27562dc]:hover{background:#c0392b}.help-btn[data-v-b27562dc]{background:#3498db;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px;margin-right:10px}.help-btn[data-v-b27562dc]:hover{background:#2980b9}.dashboard-main[data-v-b27562dc]{padding:40px 20px}.dashboard-container[data-v-b27562dc]{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:30px}.stats-card[data-v-b27562dc],.usage-card[data-v-b27562dc],.recharge-card[data-v-b27562dc],.recharge-records-card[data-v-b27562dc],.export-csv-card[data-v-b27562dc]{background:#fff;border-radius:10px;padding:30px;box-shadow:0 2px 10px #0000001a}.stats-card h2[data-v-b27562dc],.usage-card h2[data-v-b27562dc],.recharge-card h2[data-v-b27562dc],.recharge-records-card h2[data-v-b27562dc],.export-csv-card h2[data-v-b27562dc]{margin:0 0 20px;color:#333;font-size:20px}.stats-grid[data-v-b27562dc]{display:grid;grid-template-columns:1fr 1fr;gap:20px}.stat-item[data-v-b27562dc]{padding:15px;background:#f8f9fa;border-radius:8px}.stat-label[data-v-b27562dc]{font-size:14px;color:#666;margin-bottom:5px}.stat-value[data-v-b27562dc]{font-size:18px;font-weight:600;color:#333}.stat-value.zero-count[data-v-b27562dc]{color:#e74c3c}.stat-value[data-v-b27562dc]:not(.zero-count){color:#333}.recharge-form[data-v-b27562dc]{margin-bottom:20px}.recharge-form .form-group[data-v-b27562dc]{margin-bottom:15px}.recharge-form .form-label[data-v-b27562dc]{display:block;margin-bottom:8px;color:#555;font-weight:500}.recharge-form .form-input[data-v-b27562dc]{width:100%;padding:12px 15px;border:2px solid #e1e5e9;border-radius:6px;font-size:16px;transition:border-color .3s ease}.recharge-form .form-input[data-v-b27562dc]:focus{outline:none;border-color:#667eea}.recharge-btn[data-v-b27562dc]{width:100%;padding:12px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s ease}.recharge-btn[data-v-b27562dc]:hover{transform:translateY(-2px)}.recharge-btn[data-v-b27562dc]:disabled{opacity:.6;cursor:not-allowed;transform:none}.recharge-message[data-v-b27562dc]{padding:10px;border-radius:6px;font-size:14px;margin-top:15px}.recharge-message.success[data-v-b27562dc]{color:#27ae60;background:#f0fdf4;border:1px solid #bbf7d0}.recharge-message.error[data-v-b27562dc]{color:#e74c3c;background:#fdf2f2;border:1px solid #fecaca}.usage-container[data-v-b27562dc]{display:flex;flex-direction:column;min-height:400px}.usage-list[data-v-b27562dc]{flex:1;margin-bottom:20px}.usage-item[data-v-b27562dc]{display:flex;align-items:center;padding:15px 0;border-bottom:1px solid #eee}.usage-item[data-v-b27562dc]:last-child{border-bottom:none}.usage-time[data-v-b27562dc]{color:#666;font-size:14px}.loading-container[data-v-b27562dc]{display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px;color:#666}.empty-state[data-v-b27562dc]{text-align:center;padding:40px;color:#666}.pagination[data-v-b27562dc]{flex-shrink:0;padding-top:20px;border-top:1px solid #eee;background:#fff}.pagination-info[data-v-b27562dc]{text-align:center;margin-bottom:15px;color:#666;font-size:14px}.pagination-controls[data-v-b27562dc]{display:flex;justify-content:center;align-items:center;gap:10px;min-height:40px}.pagination-btn[data-v-b27562dc]{padding:8px 16px;border:1px solid #ddd;background:#fff;color:#333;border-radius:4px;cursor:pointer;font-size:14px;transition:all .2s ease}.pagination-btn[data-v-b27562dc]:hover:not(:disabled){background:#f5f5f5;border-color:#999}.pagination-btn[data-v-b27562dc]:disabled{opacity:.5;cursor:not-allowed}.page-numbers[data-v-b27562dc]{display:flex;gap:5px}.page-btn[data-v-b27562dc]{padding:8px 12px;border:1px solid #ddd;background:#fff;color:#333;border-radius:4px;cursor:pointer;font-size:14px;min-width:40px;transition:all .2s ease}.page-btn[data-v-b27562dc]:hover{background:#f5f5f5;border-color:#999}.page-btn.active[data-v-b27562dc]{background:#667eea;color:#fff;border-color:#667eea}.recharge-records-container[data-v-b27562dc]{display:flex;flex-direction:column;min-height:300px}.recharge-records-list[data-v-b27562dc]{flex:1;margin-bottom:20px}.recharge-record-item[data-v-b27562dc]{display:flex;align-items:center;padding:15px 0;border-bottom:1px solid #eee}.recharge-record-item[data-v-b27562dc]:last-child{border-bottom:none}.recharge-info[data-v-b27562dc]{display:flex;flex-direction:column;gap:5px}.recharge-time[data-v-b27562dc]{color:#666;font-size:14px}.recharge-amount[data-v-b27562dc]{color:#27ae60;font-weight:600;font-size:16px}@media (max-width: 768px){.dashboard-main[data-v-b27562dc]{padding:10px 5px}.dashboard-container[data-v-b27562dc]{grid-template-columns:1fr;gap:15px;width:100%;max-width:100%;box-sizing:border-box}.stats-card[data-v-b27562dc],.usage-card[data-v-b27562dc],.recharge-card[data-v-b27562dc],.recharge-records-card[data-v-b27562dc],.export-csv-card[data-v-b27562dc]{padding:15px 10px;width:100%;max-width:100%;box-sizing:border-box}.stats-grid[data-v-b27562dc]{grid-template-columns:1fr;gap:10px}.header-content[data-v-b27562dc]{flex-direction:column;gap:10px;padding:0 10px;width:100%;box-sizing:border-box}.recharge-record-item[data-v-b27562dc]{flex-direction:column;align-items:flex-start;gap:8px}.usage-item[data-v-b27562dc],.recharge-record-item[data-v-b27562dc]{padding:10px 0}.stat-item[data-v-b27562dc]{padding:10px}.form-input[data-v-b27562dc]{font-size:16px;padding:10px}.recharge-btn[data-v-b27562dc]{padding:10px;font-size:14px}}.export-info[data-v-b27562dc]{margin-bottom:20px}.export-info p[data-v-b27562dc]{margin:0 0 8px;color:#666;font-size:14px}.export-tip[data-v-b27562dc]{color:#e67e22!important;font-size:12px!important;font-weight:500}.export-controls[data-v-b27562dc]{margin-bottom:15px}.export-btn[data-v-b27562dc]{width:100%;padding:12px;background:linear-gradient(135deg,#27ae60,#2ecc71);color:#fff;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s ease;position:relative}.export-btn[data-v-b27562dc]:hover:not(:disabled){transform:translateY(-2px)}.export-btn[data-v-b27562dc]:disabled{opacity:.6;cursor:not-allowed;transform:none;background:#95a5a6}.export-message[data-v-b27562dc]{padding:10px;border-radius:6px;font-size:14px;margin-top:15px}.export-message.success[data-v-b27562dc]{color:#27ae60;background:#f0fdf4;border:1px solid #bbf7d0}.export-message.error[data-v-b27562dc]{color:#e74c3c;background:#fdf2f2;border:1px solid #fecaca}@media (max-width: 480px){.dashboard-main[data-v-b27562dc]{padding:5px 2px}.dashboard-container[data-v-b27562dc]{gap:10px}.stats-card[data-v-b27562dc],.usage-card[data-v-b27562dc],.recharge-card[data-v-b27562dc],.recharge-records-card[data-v-b27562dc]{padding:10px 5px}.header-content[data-v-b27562dc]{padding:0 5px}.help-modal[data-v-b27562dc]{width:95%;margin:5px}.help-modal-header[data-v-b27562dc]{padding:10px 10px 0}.help-modal-content[data-v-b27562dc]{padding:0 10px 10px}.qr-code[data-v-b27562dc]{max-width:150px;max-height:150px}}.help-modal-overlay[data-v-b27562dc]{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.help-modal[data-v-b27562dc]{background:#fff;border-radius:10px;padding:0;max-width:400px;width:90%;max-height:90vh;overflow:hidden;box-shadow:0 10px 30px #0000004d}.help-modal-header[data-v-b27562dc]{display:flex;justify-content:space-between;align-items:center;padding:20px 20px 0;border-bottom:1px solid #eee;margin-bottom:20px}.help-modal-header h3[data-v-b27562dc]{margin:0;color:#333;font-size:18px}.close-btn[data-v-b27562dc]{background:none;border:none;font-size:24px;color:#999;cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s ease}.close-btn[data-v-b27562dc]:hover{background:#f5f5f5;color:#666}.help-modal-content[data-v-b27562dc]{padding:0 20px 20px;text-align:center}.help-modal-content p[data-v-b27562dc]{margin:0 0 15px;color:#666;font-size:14px}.qr-code-container[data-v-b27562dc]{margin:20px 0;display:flex;justify-content:center;align-items:center;min-height:220px}.qr-code[data-v-b27562dc]{max-width:200px;max-height:200px;width:auto;height:auto;object-fit:contain;border:1px solid #eee;border-radius:8px;background:#fff}.help-tip[data-v-b27562dc]{color:#999;font-size:12px;margin-top:15px}@media (max-width: 768px){.help-modal[data-v-b27562dc]{width:90%;margin:10px}.help-modal-header[data-v-b27562dc]{padding:15px 15px 0}.help-modal-content[data-v-b27562dc]{padding:0 15px 15px}.qr-code-container[data-v-b27562dc]{min-height:200px;margin:15px 0}.qr-code[data-v-b27562dc]{max-width:180px;max-height:180px;width:auto;height:auto}.user-info[data-v-b27562dc]{flex-direction:column;gap:10px}.help-btn[data-v-b27562dc]{margin-right:0;margin-bottom:5px}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Avenir,Helvetica,Arial,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.container{max-width:400px;margin:0 auto;padding:20px}.form-container{background:#fff;border-radius:10px;padding:40px;box-shadow:0 10px 30px #0000001a;margin-top:50px}.form-title{text-align:center;margin-bottom:30px;color:#333;font-size:24px;font-weight:600}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;color:#555;font-weight:500}.form-input{width:100%;padding:12px 15px;border:2px solid #e1e5e9;border-radius:6px;font-size:16px;transition:border-color .3s ease}.form-input:focus{outline:none;border-color:#667eea}.password-hint{font-size:12px;color:#666;margin-top:5px;font-style:italic}.form-button{width:100%;padding:12px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s ease}.form-button:hover{transform:translateY(-2px)}.form-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.form-link{text-align:center;margin-top:20px}.form-link a{color:#667eea;text-decoration:none;font-weight:500}.form-link a:hover{text-decoration:underline}.error-message{color:#e74c3c;background:#fdf2f2;border:1px solid #fecaca;padding:10px;border-radius:6px;margin-bottom:20px;font-size:14px}.success-message{color:#27ae60;background:#f0fdf4;border:1px solid #bbf7d0;padding:10px;border-radius:6px;margin-bottom:20px;font-size:14px}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}