:root{--canvas: #f5f5f7;--surface: #ffffff;--surface-soft: #fafafa;--ink: #1d1d1f;--muted: #86868b;--line: #e6e6e8;--blue: #147ef5;--blue-soft: #eaf3ff;--purple: #7b61ff;--green: #23a66f;--red: #d64b55;--orange: #d8842d;--admin-ink: #eef3fa;--admin-muted: #9aa8bb;--admin-bg: #101722;--admin-panel: #172130;--admin-line: #273548}*{box-sizing:border-box}html{background:var(--canvas)}body{margin:0;color:var(--ink);background:var(--canvas);font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{height:72px;padding:0 5vw;display:flex;align-items:center;gap:42px;border-bottom:1px solid rgba(0,0,0,.06);background:#ffffffd6}.brand-mark{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:0}.brand-orb{width:24px;height:24px;display:inline-block;border-radius:50%;background:#1d1d1f;position:relative}.brand-orb:after{content:"";position:absolute;width:8px;height:8px;top:5px;left:5px;border-radius:50%;background:#fff}.customer-nav{display:flex;align-items:center;gap:26px;height:100%;color:var(--muted);font-size:14px}.customer-nav a{height:100%;display:inline-flex;align-items:center;position:relative}.customer-nav a.active{color:var(--ink);font-weight:600}.customer-nav a.active:after{content:"";position:absolute;height:2px;left:0;right:0;bottom:0;background:var(--ink)}.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:16px}.quiet-link,.text-link{color:var(--blue);font-size:13px;font-weight:600}.icon-button,.sidebar-exit{color:var(--muted);background:transparent;border:0;font-size:13px;padding:6px 0}.icon-button:hover,.sidebar-exit:hover{color:var(--ink)}.page-content{width:min(1120px,calc(100% - 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