:root{--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--bg-primary: #F8FAFC;--bg-secondary: #F1F5F9;--bg-card: #FFFFFF;--text-main: #0F172A;--text-muted: #64748B;--text-subtle: #94A3B8;--border-color: #E2E8F0;--primary-color: #4F46E5;--primary-hover: #4338CA;--primary-light: #EEF2FF;--secondary-color: #0EA5E9;--success-color: #10B981;--success-light: #ECFDF5;--warning-color: #F59E0B;--warning-light: #FFFBEB;--danger-color: #EF4444;--danger-light: #FEF2F2;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .02);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all .2s ease}input,select,textarea{font-family:inherit;outline:none}.app-container{display:flex;min-height:100vh}.sidebar{width:260px;background-color:#fff;border-right:1px solid var(--border-color);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:10}.sidebar-header{padding:20px 18px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border-color)}.logo-badge{width:38px;height:38px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px #4f46e540}.logo-title{font-size:15px;font-weight:700;color:var(--text-main);letter-spacing:-.2px}.logo-subtitle{font-size:11px;color:var(--text-muted)}.nav-menu{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:var(--radius-sm);color:var(--text-muted);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease}.nav-item:hover{background-color:var(--bg-secondary);color:var(--text-main)}.nav-item.active{background-color:var(--primary-light);color:var(--primary-color);font-weight:600}.sidebar-footer{padding:16px;border-top:1px solid var(--border-color)}.user-profile-badge{display:flex;align-items:center;gap:10px;padding:8px 10px;background-color:var(--bg-primary);border-radius:var(--radius-sm);border:1px solid var(--border-color)}.avatar-circle{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center}.main-wrapper{flex:1;display:flex;flex-direction:column;min-width:0;background-color:var(--bg-primary)}.topbar{height:64px;background-color:#fff;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:9}.topbar-left{display:flex;align-items:center;gap:16px}.topbar-title{font-size:18px;font-weight:700;color:var(--text-main)}.topbar-actions{display:flex;align-items:center;gap:14px}.content-body{flex:1;padding:24px 28px;display:flex;flex-direction:column;gap:24px}.global-footer{text-align:center;font-size:12px;color:var(--text-subtle);padding:18px 0 22px;border-top:1px solid rgba(226,232,240,.6);margin-top:auto;letter-spacing:.3px}.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:16px;font-weight:600;color:var(--text-main);display:flex;align-items:center;gap:8px}.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.kpi-card{background-color:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:18px 20px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}.kpi-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.kpi-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.kpi-label{font-size:13px;color:var(--text-muted);font-weight:500}.kpi-icon-box{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center}.kpi-value{font-size:26px;font-weight:700;color:var(--text-main);letter-spacing:-.5px}.kpi-meta{font-size:12px;margin-top:6px;display:flex;align-items:center;gap:6px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:9999px;font-size:12px;font-weight:600}.badge-aliyun{background-color:#fff7ed;color:#ea580c;border:1px solid #FFEDD5}.badge-tencent{background-color:#eff6ff;color:#0284c7;border:1px solid #DBEAFE}.badge-aws{background-color:#fefce8;color:#d97706;border:1px solid #FEF08A}.badge-huawei{background-color:#fef2f2;color:#dc2626;border:1px solid #FEE2E2}.badge-success{background-color:var(--success-light);color:var(--success-color)}.badge-warning{background-color:var(--warning-light);color:var(--warning-color)}.badge-danger{background-color:var(--danger-light);color:var(--danger-color)}.badge-info{background-color:var(--primary-light);color:var(--primary-color)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;transition:all .15s ease}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main)}.btn-secondary:hover{background-color:var(--bg-secondary)}.btn-sm{padding:5px 10px;font-size:12px}.table-container{width:100%;overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th{background-color:var(--bg-secondary);color:var(--text-muted);font-weight:600;padding:10px 14px;border-bottom:1px solid var(--border-color)}td{padding:12px 14px;border-bottom:1px solid var(--border-color);color:var(--text-main)}tr:hover td{background-color:#f8fafc}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.form-label{font-size:13px;font-weight:500;color:var(--text-main)}.form-input{padding:9px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:#fff;color:var(--text-main);font-size:13px;transition:border-color .15s ease}.form-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e51a}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#0f172a59;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:50}.modal-card{background-color:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);width:100%;max-width:540px;overflow:hidden}.modal-header{padding:18px 24px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.modal-body{padding:20px 24px}.modal-footer{padding:14px 24px;border-top:1px solid var(--border-color);background-color:var(--bg-primary);display:flex;align-items:center;justify-content:flex-end;gap:12px}.login-page-container{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,#f0f4ff,#fafcff,#f5f3ff);position:relative;overflow:hidden}.login-box{margin:auto;width:100%;max-width:440px;background-color:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:0 20px 25px -5px #0000000d,0 8px 10px -6px #00000005;padding:36px 32px}.login-header{text-align:center;margin-bottom:28px}.login-logo{width:52px;height:52px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 16px #4f46e540;margin-bottom:14px}.login-title{font-size:20px;font-weight:700;color:var(--text-main);letter-spacing:-.3px}.login-desc{font-size:13px;color:var(--text-muted);margin-top:6px}