:root{--primary:#1a6bff;--primary-light:#e8f0ff;--accent:#00b578;--warning:#ff8f1f;--danger:#ff4d4f;--text-strong:#1f2329;--text:#4e5969;--text-muted:#86909c;--border:#e5e6eb;--border-light:#f0f1f3;--bg-page:#f5f5f7;--bg-card:#fff;--bg-hover:#f7f8fa;--radius-md:8px;--radius-lg:10px;--shadow-sm:0 1px 2px #0f172a0a;--shadow-card:0 1px 3px #0f172a0d, 0 1px 2px #0f172a08}*{box-sizing:border-box}html,body{background:var(--bg-page);min-height:100vh;color:var(--text-strong);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#d9dbe0;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#c2c4cc}::-webkit-scrollbar-track{background:0 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.ant-form-item{margin-bottom:0}.admin-form-section{margin-bottom:16px;border-radius:var(--radius-lg)!important}.admin-sticky-card{position:sticky;top:72px;border-radius:var(--radius-lg)!important}.admin-kpi-card.ant-card{transition:transform .2s,box-shadow .2s,border-color .2s;overflow:hidden}.admin-kpi-card.ant-card-hoverable:hover{transform:translateY(-2px)}.admin-kpi-card .ant-statistic-content-prefix{margin-inline-end:8px;font-size:20px}.admin-thumb{border-radius:var(--radius-md);object-fit:cover}.admin-thumb-placeholder{border-radius:var(--radius-md);background:var(--border-light);width:44px;height:44px}.admin-thumb-placeholder--sm{border-radius:var(--radius-md);background:var(--border-light);color:#c9cdd4;justify-content:center;align-items:center;width:40px;height:40px;font-size:12px;display:flex}.admin-region-rank-item{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;gap:12px;padding:10px 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var(--border);border-radius:var(--radius-lg);min-height:420px;box-shadow:var(--shadow-sm);justify-content:center;align-items:center;padding:32px 24px;display:flex}.admin-sidebar .ant-menu-inline .ant-menu-item-selected{position:relative}.admin-sidebar .ant-menu-inline .ant-menu-item-selected:before{content:"";background:var(--primary);border-radius:0 2px 2px 0;width:3px;position:absolute;top:8px;bottom:8px;left:0}.admin-content .ant-empty-description{color:var(--text-muted)}.admin-detail-link{color:var(--primary);font-weight:500;transition:opacity .2s}.admin-detail-link:hover{opacity:.85}.admin-text-secondary-sm{color:var(--text-muted);font-size:12px}.admin-page-loading{justify-content:center;align-items:center;padding:120px 24px;display:flex}.admin-quick-entry .ant-btn{min-width:112px}.ant-card{border:1px solid var(--border);box-shadow:var(--shadow-sm)}.ant-card-hoverable:hover{box-shadow:var(--shadow-card);border-color:#d9e8ff}.ant-card-head{border-bottom-color:var(--border-light);min-height:48px}.ant-card-head-title{font-size:15px;font-weight:600}.ant-table-sticky-holder{box-shadow:0 1px 0 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