:root{--page-bg:#f5f7fb;--card-bg:#ffffff;--text-main:#101828;--text-secondary:#667085;--text-weak:#98a2b3;--line:#e4e7ec;--primary:#1677ff;--success:#12b76a;--warning:#f79009;--danger:#f04438;--sidebar-bg:#ffffff;--topbar-bg:rgba(255,255,255,0.82);--shadow-main:0 10px 30px rgba(16,24,40,0.06)}*{box-sizing:border-box}body,html{padding:0;margin:0;min-height:100%;background:var(--page-bg);color:var(--text-main)}body{font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh;background:radial-gradient(circle at top right,rgba(22,119,255,.08),transparent 22%),radial-gradient(circle at bottom left,rgba(16,24,40,.04),transparent 18%),var(--page-bg)}.app-shell .ant-layout{background:transparent}.app-sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;border-right:1px solid rgba(228,231,236,.9);background:var(--sidebar-bg);box-shadow:10px 0 30px rgba(16,24,40,.03)}.app-sidebar__brand{display:flex;align-items:center;gap:12px;padding:24px 20px 18px;border-bottom:1px solid rgba(228,231,236,.9)}.app-sidebar__logo{display:grid;place-items:center;width:40px;height:40px;border-radius:14px;background:linear-gradient(135deg,#1677ff,#0f5cd6);color:#fff;font-weight:700;letter-spacing:.02em;box-shadow:0 12px 20px rgba(22,119,255,.24)}.app-sidebar__meta{display:flex;flex-direction:column;min-width:0}.app-sidebar__title{font-size:16px;font-weight:700;color:var(--text-main)}.app-sidebar__subtitle{margin-top:2px;font-size:12px;color:var(--text-secondary)}.app-sidebar .ant-menu{padding:12px 10px;-webkit-border-end:0!important;border-inline-end:0!important;background:transparent}.app-topbar{position:-webkit-sticky;position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;margin:0 24px;border:1px solid rgba(255,255,255,.65);border-radius:20px;background:var(--topbar-bg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:var(--shadow-main)}.app-topbar__title{display:flex;flex-direction:column;gap:4px}.app-topbar__title h1{margin:0;font-size:24px;line-height:1.2}.app-topbar__title span{font-size:13px;color:var(--text-secondary)}.app-main{padding:24px}.app-page{display:grid;grid-gap:24px;gap:24px}.app-card{border:1px solid rgba(228,231,236,.92);border-radius:20px;background:var(--card-bg);box-shadow:var(--shadow-main)}.app-section-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.app-section-title h2{margin:0;font-size:18px}.app-section-title p{margin:4px 0 0;color:var(--text-secondary);font-size:13px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:16px;gap:16px}.stat-card{padding:20px}.stat-card__label{color:var(--text-secondary);font-size:13px}.stat-card__value{margin-top:8px;font-size:32px;font-weight:700;line-height:1;color:var(--text-main)}.stat-card__desc{margin-top:10px;color:var(--text-weak);font-size:12px}.panel-grid{display:grid;grid-template-columns:1.6fr 1fr;grid-gap:16px;gap:16px}.placeholder-page{display:grid;grid-gap:18px;gap:18px}.placeholder-page__header{display:flex;align-items:center;justify-content:space-between;gap:12px}.placeholder-page__header h2{margin:0;font-size:22px}.placeholder-page__header p{margin:6px 0 0;color:var(--text-secondary)}.placeholder-box{padding:22px}.placeholder-box p{margin:0;color:var(--text-secondary);line-height:1.8}@media (max-width:1200px){.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.panel-grid{grid-template-columns:1fr}}@media (max-width:900px){.app-topbar{margin:0 12px;padding:14px 16px}.app-main{padding:16px 12px 24px}.stat-grid{grid-template-columns:1fr}}