.tips[data-v-ffd8b233]{color:var(--text-light);margin-top:16px;font-size:13px}.tips code[data-v-ffd8b233]{background:#f3f4f6;border-radius:4px;padding:2px 6px;font-size:12px}.about-card h3[data-v-ffd8b233]{color:var(--text);margin-bottom:12px;font-size:16px}.about-card ol[data-v-ffd8b233]{color:var(--text-light);padding-left:20px;font-size:14px;line-height:2}.toolbar[data-v-f869fbce]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:16px;display:flex}.toolbar-left[data-v-f869fbce]{align-items:center;gap:12px;display:flex}.device-id[data-v-f869fbce]{color:var(--text-light);font-size:14px}.total-size[data-v-f869fbce]{color:var(--success);font-size:14px;font-weight:500}.total-size.over-limit[data-v-f869fbce]{color:var(--danger)}.select-all-group[data-v-f869fbce]{background:#f9fafb;border-radius:8px;align-items:center;gap:20px;margin-bottom:16px;padding:12px;display:flex}.province-grid[data-v-f869fbce]{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px;margin-bottom:20px;display:grid}.province-btn[data-v-f869fbce]{border:2px solid var(--border);cursor:pointer;text-align:center;background:#fff;border-radius:8px;flex-direction:column;align-items:center;gap:4px;padding:10px 8px;transition:all .2s;display:flex}.province-btn[data-v-f869fbce]:hover:not(:disabled){border-color:var(--primary);background:#eff6ff}.province-btn.selected[data-v-f869fbce]{border-color:var(--primary);background:var(--primary);color:#fff}.province-btn.selected .province-size[data-v-f869fbce]{color:#fffc}.province-btn.disabled[data-v-f869fbce]{opacity:.4;cursor:not-allowed;background:#f3f4f6}.province-name[data-v-f869fbce]{font-size:14px;font-weight:500}.province-size[data-v-f869fbce]{color:var(--text-light);font-size:11px}.step-info[data-v-ad0f0336]{background:#f9fafb;border-radius:8px;margin-bottom:20px;padding:16px}.step-row[data-v-ad0f0336]{justify-content:space-between;padding:6px 0;font-size:14px;display:flex}.step-label[data-v-ad0f0336]{color:var(--text-light)}.step-value[data-v-ad0f0336]{font-weight:500}.download-progress[data-v-ad0f0336]{margin:20px 0}.status-text[data-v-ad0f0336]{text-align:center;color:var(--text-light);margin-bottom:8px;font-size:14px}.button-group[data-v-ad0f0336]{gap:12px;margin-top:20px;display:flex}.button-group .btn[data-v-ad0f0336]{flex:1}.log-section[data-v-ad0f0336]{margin-top:20px}.log-header[data-v-ad0f0336]{color:var(--text-light);margin-bottom:8px;font-size:14px;font-weight:500}.log-box .log-success[data-v-ad0f0336]{color:#34d399}.log-box .log-error[data-v-ad0f0336]{color:#f87171}.log-box .log-info[data-v-ad0f0336]{color:#60a5fa}.card h3[data-v-ad0f0336]{color:var(--text);margin-bottom:12px;font-size:16px}.card ol[data-v-ad0f0336]{color:var(--text-light);padding-left:20px;font-size:14px;line-height:2}.card code[data-v-ad0f0336]{background:#f3f4f6;border-radius:4px;padding:2px 6px;font-size:12px}:root{--primary:#1a73e8;--primary-dark:#1557b0;--success:#34a853;--danger:#ea4335;--warning:#fbbc04;--bg:#f0f2f5;--card-bg:#fff;--text:#1f2937;--text-light:#6b7280;--border:#e5e7eb;--shadow:0 2px 12px #00000014}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}#app{min-height:100vh}.container{max-width:800px;margin:0 auto;padding:20px}.card{background:var(--card-bg);box-shadow:var(--shadow);border-radius:12px;margin-bottom:20px;padding:32px}.header{text-align:center;padding:20px 0 10px}.header h1{color:var(--text);font-size:24px;font-weight:600}.header h1 .brand{color:var(--primary)}.header .subtitle{color:var(--text-light);margin-top:8px;font-size:14px}.form-group{margin-bottom:20px}.form-group label{color:var(--text);margin-bottom:8px;font-size:14px;font-weight:500;display:block}.form-group input[type=text]{border:2px solid var(--border);border-radius:8px;outline:none;width:100%;padding:12px 16px;font-size:16px;transition:border-color .2s}.form-group input[type=text]:focus{border-color:var(--primary)}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:16px;font-weight:500;transition:all .2s;display:inline-flex}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#2d9249}.btn-danger{background:var(--danger);color:#fff}.btn-outline{border:2px solid var(--border);color:var(--text);background:0 0}.btn-outline:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.btn-block{width:100%}.alert{border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:14px}.alert-error{color:var(--danger);background:#fef2f2;border:1px solid #fecaca}.alert-success{color:var(--success);background:#f0fdf4;border:1px solid #bbf7d0}.alert-info{color:var(--primary);background:#eff6ff;border:1px solid #bfdbfe}.progress-bar{background:var(--border);border-radius:12px;width:100%;height:24px;margin:12px 0;overflow:hidden}.progress-bar .fill{background:var(--primary);color:#fff;border-radius:12px;justify-content:center;align-items:center;min-width:40px;height:100%;font-size:12px;font-weight:500;transition:width .3s;display:flex}.spinner{border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:.8s ease-in-out infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.log-box{color:#d1d5db;background:#1f2937;border-radius:8px;max-height:300px;padding:16px;font-family:Menlo,Consolas,monospace;font-size:13px;line-height:1.6;overflow-y:auto}.log-box .log-success{color:#34d399}.log-box .log-error{color:#f87171}.log-box .log-info{color:#60a5fa}.checkbox-group label{cursor:pointer;align-items:center;gap:8px;font-size:14px;display:flex}