:root{--bg:#f4f6f8;--surface:#fff;--surface-soft:#f8fafb;--line:#e3e8ee;--line-strong:#ccd5df;--ink:#17212b;--muted:#6b7682;--faint:#97a2ad;--brand:#1b7f78;--brand-dark:#12665f;--brand-soft:#e3f3f0;--danger:#c83e4d;--shadow:0 14px 36px #1d324314}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--bg);color:var(--ink);letter-spacing:0;margin:0;font-family:Inter,Noto Sans SC,Microsoft YaHei,system-ui,sans-serif;font-size:14px}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:inherit;text-decoration:none}.draw-app{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--line);background:#fbfcfd;flex-direction:column;flex:0 0 244px;gap:18px;width:244px;height:100vh;padding:22px 14px 16px;transition:width .2s,flex-basis .2s,padding .2s;display:flex;position:sticky;top:0}.sidebar-header{align-items:center;gap:8px;min-height:34px;display:flex}.brand{align-items:center;gap:11px;padding:0 9px 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0;font-size:11px;display:flex}.status-dot{background:#38a169;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 3px #dff3e8}.sidebar.collapsed{flex-basis:62px;width:62px;padding-left:8px;padding-right:8px}.sidebar.collapsed .sidebar-header{justify-items:center;gap:10px;display:grid}.sidebar.collapsed .brand{padding:0}.sidebar.collapsed .brand-details,.sidebar.collapsed .nav-label,.sidebar.collapsed .nav-count,.sidebar.collapsed .nav-text{display:none}.sidebar.collapsed .account-panel{padding:9px 6px}.sidebar.collapsed .account-row{justify-content:center}.sidebar.collapsed .account-row>div:not(.avatar),.sidebar.collapsed .points-label,.sidebar.collapsed .points-unit,.sidebar.collapsed .buy-points{display:none}.sidebar.collapsed .points-row{text-align:center;margin-top:9px;display:block}.sidebar.collapsed .points-value{font-size:16px}.sidebar.collapsed .nav-item,.sidebar.collapsed .foot-item{justify-content:center;padding-left:8px;padding-right:8px}.sidebar.collapsed 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#0000;border-radius:6px;justify-content:center;align-items:center;display:inline-flex}.mini-action:hover{border-color:var(--line);background:var(--surface);color:var(--ink)}.mini-action.danger:hover{color:var(--danger);border-color:#efc6cc}.ledger{border-collapse:collapse;width:100%}.ledger th,.ledger td{border-bottom:1px solid var(--line);text-align:left;padding:12px 10px}.ledger th{color:var(--muted);font-size:11px;font-weight:750}.ledger td{color:#45515d;font-size:12px}.ledger .amount{color:var(--brand-dark);font-weight:800}.ledger .refund{color:#2e8b57}.ledger-empty{color:var(--muted);text-align:center;padding:60px 10px}.loading-line{color:var(--muted);font-size:12px}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.mobile-nav{display:none}@media (max-width:1040px){.sidebar{flex-basis:218px;width:218px}.main-area{padding:24px 20px 35px}.workspace{grid-template-columns:minmax(310px,360px) minmax(0,1fr)}.history-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (max-width:760px){.draw-app{padding-bottom:68px;display:block}.sidebar{display:none}.main-area{padding:18px 12px 26px}.topbar{align-items:flex-start;margin-bottom:16px}.page-title{font-size:21px}.page-description{max-width:230px;font-size:12px;line-height:1.45}.top-actions .ghost-button{width:34px;padding:0;font-size:0}.top-actions .ghost-button svg{margin:0}.workspace{display:block}.tool-panel{margin-bottom:12px}.result-panel{padding:12px}.result-stage{min-height:390px}.history-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.data-panel{padding:12px}.data-toolbar{flex-direction:column;align-items:flex-start}.toolbar-actions{width:100%}.toolbar-actions .ghost-button{flex:1}.ledger{min-width:600px}.data-panel{overflow-x:auto}.mobile-nav{z-index:20;padding:7px 8px calc(7px + env(safe-area-inset-bottom));border-top:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff5;grid-template-columns:repeat(3,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.mobile-nav button{color:var(--muted);background:0 0;border:0;border-radius:7px;justify-items:center;gap:3px;padding:6px 4px;font-size:10px;display:grid}.mobile-nav button.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:750}}