:root{--bg:#f6f6f7;--surface:#fff;--primary:#2c6ecb;--primary-hover:#1f54a1;--success:#008060;--warning:#b98900;--critical:#d72c0d;--text:#202223;--text-subdued:#6d7175;--border:#e1e3e5;--border-subdued:#c9cccf;--shadow-sm:0 1px 0 #0000000d;--shadow-md:0 4px 12px #00000014;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,PingFang SC,Microsoft YaHei,Arial,sans-serif}*{box-sizing:border-box}body{color:var(--text);background:var(--bg);margin:0;font-size:14px;line-height:20px}button,input,select,textarea{font:inherit}button{cursor:pointer}.admin{background:var(--bg);min-height:100vh}.app-shell{max-width:1200px;margin:0 auto}.app-nav{border-bottom:1px solid var(--border);z-index:10;background:#fff;flex-wrap:wrap;gap:4px;padding:12px 20px 0;display:flex;position:sticky;top:0}.app-nav button{color:var(--text-subdued);background:0 0;border:0;border-bottom:3px solid #0000;margin-bottom:-1px;padding:10px 14px;font-weight:500}.app-nav button.active{color:var(--text);border-bottom-color:var(--primary);font-weight:600}.badge-count{background:var(--primary);color:#fff;border-radius:10px;margin-left:8px;padding:1px 6px;font-size:11px}.app-content{padding:20px 20px 40px}.page-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;display:flex}h1{margin:0;font-size:20px;font-weight:600;line-height:28px}h2{margin:0;font-size:16px;font-weight:600;line-height:24px}h3{margin:0;font-size:15px;font-weight:600}.sub{color:var(--text-subdued);margin:4px 0 0;font-size:13px}.actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.btn{white-space:nowrap;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;min-height:36px;padding:0 16px;font-weight:500;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.6;cursor:default}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{color:var(--text);border-color:var(--border-subdued);background:#fff}.btn-plain{color:var(--primary);background:0 0;border:none;padding:4px 8px}.btn-plain.linkish{padding-left:0;text-decoration:underline}.attachment-row{margin:8px 0}.btn-critical{background:var(--critical);color:#fff}.danger{color:var(--critical)!important}.grid-3{grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px;display:grid}.stat,.card,.plan-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:12px}.stat{padding:16px 20px}.stat .label{color:var(--text-subdued)}.stat .value{margin-top:4px;font-size:28px;font-weight:600;line-height:36px}.stat .hint{color:var(--text-subdued);margin-top:4px;font-size:12px}.card{margin-bottom:16px;overflow:hidden}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;display:flex}.card-body{padding:20px}.card-body.tight{padding:0}.banner{border:1px solid;border-radius:8px;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px;padding:12px 16px;display:flex}.banner.info{background:#eaf2ff;border-color:#b4c9e8}.banner.warning{background:#fff5ea;border-color:#e1b878}.banner.critical{background:#fff4f4;border-color:#e0b3b2}.banner .title{margin-bottom:2px;font-weight:600}.banner .desc{color:var(--text);font-size:13px}.badge{border-radius:8px;align-items:center;height:20px;padding:0 8px;font-size:12px;font-weight:500;display:inline-flex}.badge-success{color:#0c5132;background:#aee9d1}.badge-subdued{color:#5c5f62;background:#e4e5e7}.badge-info{color:#003d5c;background:#a4e8f2}.badge-warning{color:#5c4200;background:#ffea8a}table.data{border-collapse:collapse;width:100%}table.data th{text-align:left;border-bottom:1px solid var(--border);color:var(--text-subdued);background:#fafbfb;padding:12px 16px;font-size:12px}table.data td{border-bottom:1px solid var(--border);vertical-align:middle;padding:14px 16px}table.data tr:last-child td{border-bottom:0}table.data .ops{text-align:right;white-space:nowrap}table.data .ops button{color:var(--primary);background:0 0;border:0;margin-left:10px;font-weight:500}.row-unread td:nth-child(3){font-weight:600}.empty{text-align:center;padding:48px 24px}.empty .icon{width:56px;height:56px;color:var(--primary);background:#eaf2ff;border-radius:12px;place-items:center;margin:0 auto 16px;font-size:24px;display:grid}.empty p{color:var(--text-subdued)}.usage{margin-bottom:14px}.usage>div:first-child{justify-content:space-between;font-size:13px;display:flex}.progress{background:#e4e5e7;border-radius:4px;height:8px;margin-top:8px;overflow:hidden}.progress span{background:var(--primary);height:100%;display:block}.progress.warning span{background:var(--warning)}.progress.critical span{background:var(--critical)}.steps{gap:10px;display:grid}.step{border:1px solid var(--border);background:#fafbfb;border-radius:8px;align-items:center;gap:12px;padding:12px 14px;display:flex}.step.done{background:#f1f8f5;border-color:#aee9d1}.step .mark{width:24px;height:24px;color:var(--text-subdued);background:#e4e5e7;border-radius:50%;flex-shrink:0;place-items:center;font-size:12px;font-weight:700;display:grid}.step.done .mark{background:var(--success);color:#fff}.step .body{flex:1;min-width:0}.step .body strong{display:block}.step .body 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var(--border);background:#fafbfb;border-radius:8px;margin-bottom:12px;padding:14px}.field-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;display:flex}.plan-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.plan-card{border:1px solid var(--border);flex-direction:column;gap:10px;padding:20px;transition:border-color .15s,box-shadow .15s;display:flex}.plan-card.current,.plan-card.selecting{border-color:var(--primary);background:#f7fbff;box-shadow:0 0 0 2px #2c6ecb59}.plan-card[role=button]{cursor:pointer}.plan-card[role=button]:hover:not(.current){border-color:#8fb3e8}.plan-card h3{margin:0}.price{margin:0;font-size:24px;font-weight:600}.plan-card ul{color:var(--text-subdued);flex:1;margin:0;padding-left:18px}.plan-card li{margin-bottom:6px}.plan-card .actions{margin-top:8px}.help-step{border-bottom:1px solid var(--border);gap:16px;padding:16px 0;display:flex}.help-step:last-child{border-bottom:0}.help-step .n{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;place-items:center;width:32px;height:32px;font-weight:600;display:grid}.faq details{border-bottom:1px solid var(--border);padding:12px 0}.faq summary{cursor:pointer;font-weight:500}.faq p{color:var(--text-subdued);margin:8px 0 0}.toast{color:#fff;box-shadow:var(--shadow-md);z-index:60;border-left:4px solid var(--success);background:#1a1a1a;border-radius:8px;max-width:min(520px,100vw - 32px);padding:10px 16px;position:fixed;top:16px;left:50%;transform:translate(-50%)}.toast.err{border-left-color:var(--critical)}.modal-backdrop,.drawer-backdrop{z-index:50;background:#00000073;position:fixed;inset:0}.modal-backdrop{justify-content:center;align-items:center;padding:20px;display:flex}.modal{width:100%;max-width:480px;box-shadow:var(--shadow-md);background:#fff;border-radius:12px;overflow:hidden}.modal-header{padding:20px 20px 8px}.modal-body{padding:8px 20px 20px;line-height:22px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:8px;padding:16px 20px;display:flex}.drawer-backdrop{justify-content:flex-end;display:flex}.drawer{width:420px;max-width:100%;height:100%;box-shadow:var(--shadow-md);background:#fff;flex-direction:column;display:flex}.drawer-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.drawer-body{padding:20px;overflow:auto}.kv{grid-template-columns:110px 1fr;gap:8px 12px;margin-bottom:12px;display:grid}.kv .k{color:var(--text-subdued)}.kv .v{word-break:break-word}.filters{flex-wrap:wrap;gap:8px;margin-bottom:12px;padding:16px 16px 0;display:flex}.filters input,.filters select{min-width:140px}.install-shell{background:var(--bg);place-items:center;min-height:100vh;padding:20px;display:grid}.install-card{border:1px solid var(--border);width:min(560px,100%);box-shadow:var(--shadow-sm);background:#fff;border-radius:12px;padding:28px}.install-card form{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.install-card input{flex:1;min-width:200px}.install-card.wide{width:min(680px,100%)}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e6e6e6 37%,#f0f0f0 63%) 0 0/400% 100%;border-radius:8px;height:16px;animation:1.2s infinite shimmer}@keyframes shimmer{0%{background-position:100% 0}to{background-position:0 0}}@media (width<=900px){.plan-grid{grid-template-columns:1fr}}@media (width<=760px){.app-content{padding:16px}.page-header,.install-card form,.banner{flex-direction:column}.grid-3,.form-grid,.field-grid{grid-template-columns:1fr}table.data{display:block;overflow-x:auto}.actions .btn{flex:1}.drawer{width:100%}}