:root{
  --brand:#C00000;--brand-2:#9F0000;--brand-3:#7B0000;--accent:#C00000;
  --ink:#252525;--ink-2:#404040;--muted:#717782;--bg:#F5F6F8;--surface:#FFFFFF;
  --line:#E4E7EC;--soft:#FAFAFB;--success:#15803D;--warning:#B76E00;--info:#2457A7;
  --shadow:0 14px 38px rgba(15,23,42,.065);--radius:16px;--sidebar:252px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--bg)}
button,input,select,textarea{font:inherit}
button,a{transition:.18s ease}
a{text-decoration:none;color:inherit}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;font-weight:1000;box-shadow:0 10px 22px rgba(192,0,0,.22)}
.brand-logo{height:44px;width:auto;display:block}
.btn{border:1px solid #D7DCE3;background:#fff;color:var(--ink);padding:9px 14px;border-radius:10px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px}
.btn:hover{transform:translateY(-1px);border-color:#C4CAD3;box-shadow:0 8px 18px rgba(15,23,42,.065)}
.btn.brand{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:var(--brand);color:#fff}
.btn.dark{background:var(--ink-2);border-color:var(--ink-2);color:#fff}
.btn.ghost{background:transparent}
.btn.small{padding:6px 9px;font-size:12px}
.badge{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:5px 10px;font-size:11px;font-weight:900;background:#F3F4F6;color:#59616D}
.badge.online{background:#ECFDF3;color:var(--success)}
.badge.planned{background:#FFF2F2;color:var(--brand)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 6px 22px rgba(15,23,42,.035)}
.card-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-head h2,.card-head h3{margin:0;font-size:17px}
.card-body{padding:18px}
.muted{color:var(--muted)}
.kicker{font-size:12px;font-weight:900;color:var(--brand);letter-spacing:.08em;text-transform:uppercase}
.input,select,textarea{width:100%;border:1px solid #D7DCE3;background:#fff;border-radius:10px;padding:10px 11px;outline:none}
.input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(192,0,0,.10)}
.empty{padding:34px;text-align:center;color:var(--muted);border:1px dashed #D7DCE3;border-radius:12px;background:#FBFBFC}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:11px 12px;border-bottom:1px solid #ECEEF1;text-align:left;font-size:12px;white-space:nowrap}
th{background:#FBFBFC;color:#5D6673;font-weight:900}
.notice{border-left:5px solid var(--brand);background:#FFF7F7;padding:11px 13px;border-radius:8px;line-height:1.65;font-size:13px}
.logo-lockup{display:flex;align-items:center;gap:11px}
.logo-lockup b{display:block;font-size:16px}
.logo-lockup span{display:block;font-size:11px;color:#7F8792;margin-top:2px}
.icon-box{width:46px;height:46px;border-radius:14px;background:#FFF4F4;display:grid;place-items:center;color:var(--brand);font-size:21px;font-weight:1000}
.stat{padding:17px}
.stat span{display:block;font-size:12px;color:var(--muted)}
.stat b{display:block;font-size:28px;margin:6px 0 2px;color:var(--ink)}
.stat small{font-size:11px;color:#8A9098}
@media(max-width:780px){.hide-mobile{display:none!important}}