:root{--blue:#0a78dc;--nav:#10233d;--bg:#f4f7fb;--line:#dfe7f0;--text:#27384d}*{box-sizing:border-box}body{margin:0;font-family:"Alibaba PuHuiTi 3.0","Alibaba PuHuiTi","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.admin-shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.admin-side{background:var(--nav);color:#dce7f5;padding:28px 20px;position:sticky;top:0;height:100vh}.admin-brand{display:flex;align-items:center;gap:12px;padding:0 8px 25px;border-bottom:1px solid rgba(255,255,255,.1)}.admin-brand img{width:48px;height:48px;object-fit:contain}.admin-brand b{font-size:19px}.admin-menu{margin-top:22px}.admin-menu a{display:block;padding:13px 14px;border-radius:5px;margin-bottom:5px}.admin-menu a:hover,.admin-menu a.active{background:#0c79dc;color:#fff}.admin-main{min-width:0}.admin-top{height:70px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 35px;border-bottom:1px solid var(--line)}.admin-content{padding:30px 35px}.panel{background:#fff;border:1px solid var(--line);padding:28px;margin-bottom:25px}.panel h1{font-size:26px;margin:0 0 22px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat{background:#fff;border:1px solid var(--line);padding:24px}.stat b{font-size:32px;color:var(--blue)}.stat span{display:block;color:#7b8da2;margin-top:8px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:13px 12px;border-bottom:1px solid #e8eef5;text-align:left;vertical-align:top}th{background:#f8fafc}.btn{display:inline-block;padding:9px 15px;border:0;border-radius:4px;background:#0a78dc;color:#fff;cursor:pointer}.btn.gray{background:#6c7f94}.btn.red{background:#d9534f}.actions{display:flex;gap:8px;flex-wrap:wrap}.form-row{margin-bottom:18px}.form-row label{display:block;font-weight:700;margin-bottom:8px}.form-row input,.form-row textarea,.form-row select{width:100%;padding:11px 13px;border:1px solid #cedae7;background:#fff}.form-row textarea{min-height:260px;resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.notice{padding:12px 16px;background:#e9f8ef;color:#237e4e;border:1px solid #cdebd8;margin-bottom:20px}.notice.error{background:#fff0f0;color:#b44444;border-color:#ffd1d1}.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0b2c5f,#00aef0)}.login-box{width:420px;background:#fff;padding:40px;box-shadow:0 20px 65px rgba(0,0,0,.25)}.login-box .logo{text-align:center;margin-bottom:25px}.login-box .logo img{width:220px}.muted{color:#7b8da2}.pager{display:flex;gap:8px;margin-top:20px}.pager a{padding:8px 12px;border:1px solid var(--line);background:#fff}.pager a.active{background:#0a78dc;color:#fff}@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-side{position:relative;height:auto}.admin-menu{display:flex;flex-wrap:wrap}.admin-menu a{margin-right:5px}.stat-grid,.form-grid{grid-template-columns:1fr 1fr}.admin-content{padding:20px}.admin-top{padding:0 20px}}@media(max-width:600px){.stat-grid,.form-grid{grid-template-columns:1fr}.login-box{width:92%}}