:root{--bg:#f5f7fa;--card:#ffffff;--ink:#1c2733;--ink-2:#55677a;--ink-3:#8496a8;--line:#e3e9f0;--brand:#2563eb;--brand-dark:#1d4ed8;--brand-soft:#eaf1fe;--green:#16a34a;--red:#dc2626;--amber:#d97706;--radius:12px;--shadow:0 1px 3px rgba(16,32,56,0.08)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font:15px/1.7 -apple-system,Segoe UI,Microsoft YaHei,PingFang SC,sans-serif}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-dark)}img{max-width:100%}.wrap{max-width:1120px;margin:0 auto;padding:0 16px}.topnav{background:var(--card);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:50}.topnav .wrap{gap:18px;height:58px}.logo,.topnav .wrap{display:flex;align-items:center}.logo{font-size:20px;font-weight:800;color:var(--brand);letter-spacing:.5px;gap:8px}.logo .dot{width:10px;height:10px;border-radius:3px;background:var(--green);display:inline-block}.topnav nav{display:flex;gap:4px;flex:1 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.cur{background:var(--brand);border-color:var(--brand);color:#fff}.admin-shell{display:grid;grid-template-columns:210px 1fr;min-height:100vh}.admin-side{background:#10203a;color:#cdd9ea;padding:18px 0}.admin-side .brand{color:#fff;font-weight:800;padding:0 20px 14px;font-size:17px}.admin-side a{display:block;padding:9px 20px;color:#cdd9ea;font-size:14px}.admin-side a.on,.admin-side a:hover{background:#1b3050;color:#fff}.admin-main{padding:22px 26px;background:var(--bg)}.admin-main h1{font-size:20px;margin:0 0 16px}.tbl{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.tbl td,.tbl th{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);font-size:14px}.tbl th{background:#f8fafc;color:var(--ink-2);font-weight:600}.tbl .op a{margin-right:10px;font-size:13px}.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:8px 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a:hover{color:var(--brand)}.rel-item{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px dashed var(--line)}.rel-item:last-child{border-bottom:0}.rel-item .t{flex:1 1;font-size:13.5px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rel-item .m{font-size:11.5px;color:var(--ink-3);flex:none}