:root{--lark-primary: #3370ff;--lark-primary-hover: #1f5ce6;--lark-primary-active: #0f47cc;--lark-success: #00b42a;--lark-warning: #ff7d00;--lark-danger: #f53f3f;--lark-text-primary: #1d2129;--lark-text-secondary: #4e5969;--lark-text-tertiary: #86909c;--lark-border: #e5e6eb;--lark-bg: #f7f8fa;--lark-bg-white: #ffffff;--lark-radius: 8px;--lark-radius-sm: 4px;--lark-shadow: 0 1px 2px 0 rgba(0, 0, 0, .03), 0 1px 6px -1px rgba(0, 0, 0, .02), 0 2px 4px 0 rgba(0, 0, 0, .02)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5715;color:var(--lark-text-primary);background:var(--lark-bg-white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.lark-container{max-width:800px;margin:0 auto;padding:24px}.lark-header{margin-bottom:24px}.lark-title{font-size:20px;font-weight:600;color:var(--lark-text-primary);margin:0 0 8px}.lark-subtitle{font-size:13px;color:var(--lark-text-tertiary)}.lark-stats{display:flex;gap:12px;margin-bottom:16px}.stat-item{flex:1;display:flex;flex-direction:column;align-items:center;padding:12px;background:var(--lark-bg);border-radius:var(--lark-radius-sm);border:1px solid var(--lark-border)}.stat-label{font-size:12px;color:var(--lark-text-tertiary);margin-bottom:4px}.stat-value{font-size:20px;font-weight:600;color:var(--lark-text-primary)}.stat-value.stat-pending{color:var(--lark-warning)}.stat-value.stat-success{color:var(--lark-success)}.stat-value.stat-failed{color:var(--lark-danger)}.lark-actions{display:flex;gap:8px;margin-bottom:16px}.lark-btn{display:inline-flex;align-items:center;justify-content:center;height:32px;padding:0 16px;font-size:14px;font-weight:500;border-radius:var(--lark-radius-sm);border:1px solid var(--lark-border);background:var(--lark-bg-white);color:var(--lark-text-primary);cursor:pointer;transition:all .2s;-webkit-user-select:none;user-select:none}.lark-btn:hover:not(:disabled){background:var(--lark-bg)}.lark-btn:active:not(:disabled){transform:translateY(1px)}.lark-btn:disabled{opacity:.4;cursor:not-allowed}.lark-btn-primary{background:var(--lark-primary);border-color:var(--lark-primary);color:#fff}.lark-btn-primary:hover:not(:disabled){background:var(--lark-primary-hover);border-color:var(--lark-primary-hover)}.lark-btn-primary:active:not(:disabled){background:var(--lark-primary-active);border-color:var(--lark-primary-active)}.lark-btn-text{border-color:transparent;background:transparent;color:var(--lark-text-secondary)}.lark-btn-text:hover:not(:disabled){background:var(--lark-bg)}.lark-content{background:var(--lark-bg-white);border:1px solid var(--lark-border);border-radius:var(--lark-radius);min-height:400px}.lark-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 24px;text-align:center}.empty-icon{font-size:48px;margin-bottom:16px;opacity:.3}.empty-text{font-size:14px;color:var(--lark-text-secondary);margin-bottom:8px}.empty-hint{font-size:13px;color:var(--lark-text-tertiary)}.lark-list{padding:12px}.task-item{background:var(--lark-bg-white);border:1px solid var(--lark-border);border-radius:var(--lark-radius);padding:16px;margin-bottom:12px;transition:all .2s}.task-item:last-child{margin-bottom:0}.task-item:hover{box-shadow:var(--lark-shadow)}.task-item.task-processing{border-color:var(--lark-warning);background:#fff7e6}.task-item.task-success{border-color:var(--lark-success);background:#f0fdf4}.task-item.task-failed{border-color:var(--lark-danger);background:#fef2f2}.task-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.task-info{flex:1}.task-name{font-size:14px;font-weight:500;color:var(--lark-text-primary);margin-bottom:4px;word-break:break-all}.task-size{font-size:12px;color:var(--lark-text-tertiary)}.task-status{flex-shrink:0;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500;margin-left:12px}.status-pending{background:#f5f5f5;color:var(--lark-text-secondary)}.status-processing{background:#fff7e6;color:var(--lark-warning)}.status-success{background:#f0fdf4;color:var(--lark-success)}.status-failed{background:#fef2f2;color:var(--lark-danger)}.task-result{border-top:1px solid var(--lark-border);padding-top:12px}.result-row{display:flex;flex-wrap:wrap;gap:8px 16px;margin-bottom:8px;font-size:13px}.result-row:last-child{margin-bottom:0}.result-label{color:var(--lark-text-tertiary);font-weight:500}.result-value{color:var(--lark-text-primary)}.result-summary{margin-top:12px;padding:12px;background:var(--lark-bg);border-radius:var(--lark-radius-sm)}.summary-label{font-size:12px;font-weight:500;color:var(--lark-text-tertiary);margin-bottom:8px}.summary-text{font-size:13px;color:var(--lark-text-secondary);line-height:1.6}.task-error{margin-top:12px;padding:8px 12px;background:#fef2f2;border:1px solid #fecaca;border-radius:var(--lark-radius-sm);color:var(--lark-danger);font-size:13px}@media (max-width: 768px){.lark-container{padding:16px}.lark-stats{flex-wrap:wrap}.stat-item{min-width:calc(50% - 6px)}.lark-actions{flex-direction:column}.lark-btn{width:100%}}.loading-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:16px}.loading-spinner{width:40px;height:40px;border:4px solid var(--lark-border);border-top-color:var(--lark-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-size:14px;color:var(--lark-text-secondary)}.activation-panel{max-width:600px;margin:0 auto;padding:40px 20px}.activation-header{text-align:center;margin-bottom:40px}.activation-icon{font-size:48px;margin-bottom:16px}.activation-title{font-size:24px;font-weight:600;color:var(--lark-text-primary);margin-bottom:8px}.activation-subtitle{font-size:14px;color:var(--lark-text-secondary)}.activation-content{background:var(--lark-bg-white);border-radius:var(--lark-radius);padding:32px;box-shadow:var(--lark-shadow)}.activation-form{margin-bottom:32px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:14px;font-weight:500;color:var(--lark-text-primary);margin-bottom:8px}.form-input{width:100%;height:40px;padding:0 12px;font-size:14px;line-height:38px;color:var(--lark-text-primary);background:var(--lark-bg-white);border:1px solid var(--lark-border);border-radius:var(--lark-radius-sm);outline:none;transition:all .2s;text-transform:uppercase;letter-spacing:1px;font-family:Courier New,Courier,monospace}.form-input:hover{border-color:var(--lark-primary)}.form-input:focus{border-color:var(--lark-primary);box-shadow:0 0 0 2px #3370ff1a}.form-input:disabled{background:var(--lark-bg);cursor:not-allowed;opacity:.6}.form-hint{margin-top:4px;font-size:12px;color:var(--lark-text-tertiary)}.error-message{display:flex;align-items:center;gap:8px;padding:12px;background:#fff1f0;border:1px solid #ffccc7;border-radius:var(--lark-radius-sm);margin-bottom:16px}.error-icon{font-size:16px;flex-shrink:0}.error-text{font-size:14px;color:var(--lark-danger)}.activation-btn{width:100%;height:40px;font-size:14px}.activation-info{padding-top:32px;border-top:1px solid var(--lark-border)}.info-section{margin-bottom:24px}.info-section:last-child{margin-bottom:0}.info-title{font-size:14px;font-weight:600;color:var(--lark-text-primary);margin-bottom:12px}.package-list{display:flex;flex-direction:column;gap:8px}.package-item{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--lark-bg);border-radius:var(--lark-radius-sm)}.package-label{font-size:13px;color:var(--lark-text-secondary)}.package-quota{font-size:14px;font-weight:600;color:var(--lark-primary)}.faq-list{list-style:none;margin:0;padding:0}.faq-list li{font-size:13px;color:var(--lark-text-secondary);line-height:1.8;margin-bottom:6px}.contact-text{font-size:13px;color:var(--lark-text-secondary);line-height:1.8}@media (max-width: 768px){.activation-panel{padding:20px 16px}.activation-content{padding:20px}.activation-icon{font-size:36px}.activation-title{font-size:20px}}.admin-container{max-width:1200px;margin:0 auto;padding:40px 20px}.admin-login{max-width:400px;margin:100px auto;text-align:center}.admin-title{font-size:28px;font-weight:600;color:var(--lark-text-primary);margin-bottom:24px}.admin-form{display:flex;flex-direction:column;gap:12px}.admin-input{width:100%;height:40px;padding:0 12px;font-size:14px;color:var(--lark-text-primary);background:var(--lark-bg-white);border:1px solid var(--lark-border);border-radius:var(--lark-radius-sm);outline:none;transition:all .2s}.admin-input:focus{border-color:var(--lark-primary);box-shadow:0 0 0 2px #3370ff1a}.admin-btn{height:40px;padding:0 16px;font-size:14px;font-weight:500;color:var(--lark-text-primary);background:var(--lark-bg-white);border:1px solid var(--lark-border);border-radius:var(--lark-radius-sm);cursor:pointer;transition:all .2s}.admin-btn:hover{background:var(--lark-bg);border-color:var(--lark-primary)}.admin-btn-primary{color:#fff;background:var(--lark-primary);border-color:var(--lark-primary)}.admin-btn-primary:hover{background:var(--lark-primary-hover);border-color:var(--lark-primary-hover)}.admin-btn-danger{color:var(--lark-danger);border-color:var(--lark-danger)}.admin-btn-danger:hover{color:#fff;background:var(--lark-danger)}.admin-btn-sm{height:28px;padding:0 12px;font-size:12px;margin-right:8px}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.admin-actions{display:flex;gap:12px}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{background:var(--lark-bg-white);border:1px solid var(--lark-border);border-radius:var(--lark-radius);padding:20px;text-align:center}.stat-card .stat-label{font-size:14px;color:var(--lark-text-secondary);margin-bottom:8px}.stat-card .stat-value{font-size:32px;font-weight:600;color:var(--lark-primary)}.admin-table-container{background:var(--lark-bg-white);border:1px solid var(--lark-border);border-radius:var(--lark-radius);overflow:hidden}.admin-table{width:100%;border-collapse:collapse;font-size:14px}.admin-table th{background:var(--lark-bg);color:var(--lark-text-secondary);font-weight:500;text-align:left;padding:12px 16px;border-bottom:1px solid var(--lark-border)}.admin-table td{padding:12px 16px;border-bottom:1px solid var(--lark-border)}.admin-table tbody tr:hover{background:var(--lark-bg)}.admin-table tbody tr:last-child td{border-bottom:none}.code-cell{font-family:Courier New,Courier,monospace;font-weight:600;color:var(--lark-primary)}.status-badge{display:inline-block;padding:4px 12px;font-size:12px;font-weight:500;border-radius:12px}.status-inactive{color:var(--lark-text-tertiary);background:var(--lark-bg)}.status-active{color:var(--lark-success);background:#e8ffea}.status-expired{color:var(--lark-danger);background:#ffece8}.text-warning{color:var(--lark-warning);font-weight:600}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--lark-bg-white);border-radius:var(--lark-radius);padding:24px;width:90%;max-width:500px;box-shadow:0 10px 40px #0000001a}.modal-title{font-size:18px;font-weight:600;color:var(--lark-text-primary);margin-bottom:20px}.modal-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:8px}.form-label{font-size:14px;font-weight:500;color:var(--lark-text-primary)}.form-select{width:100%;height:40px;padding:0 12px;font-size:14px;color:var(--lark-text-primary);background:var(--lark-bg-white);border:1px solid var(--lark-border);border-radius:var(--lark-radius-sm);outline:none;transition:all .2s;cursor:pointer}.form-select:focus{border-color:var(--lark-primary);box-shadow:0 0 0 2px #3370ff1a}.modal-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:8px}.admin-loading{text-align:center;padding:40px;color:var(--lark-text-secondary)}@media (max-width: 768px){.admin-stats{grid-template-columns:repeat(2,1fr)}.admin-header{flex-direction:column;align-items:flex-start;gap:16px}.admin-table-container{overflow-x:auto}.admin-table{min-width:800px}}