:root{
  --navy:#1a2038; --navy-2:#232a47; --navy-line:#2e3654;
  --ink:#1f2735; --muted:#7a8394; --line:#e8ecf3; --bg:#f4f6fb;
  --blue:#2f7bff; --blue-soft:#e8f1ff; --blue-ico:#3b82f6;
  --ok:#1aa06d; --ok-bg:#e6f6ef; --fail:#e0483d; --fail-bg:#fdeceb;
  --wait:#c07a17; --wait-bg:#fbf1e0;
  --sidebar-w:250px; --radius:12px;
  --font: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:var(--font);color:var(--ink);background:var(--bg)}
button{font-family:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}

/* ---------- 登录 ---------- */
.auth-wrap{min-height:100vh;display:grid;place-items:center;
  background:radial-gradient(1200px 600px at 20% -10%,#28325a 0%,var(--navy) 55%)}
.auth-card{width:360px;background:#fff;border-radius:16px;padding:34px 30px;
  box-shadow:0 24px 60px rgba(16,22,45,.28)}
.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.auth-brand .mark{width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--blue),#6aa4ff);display:grid;place-items:center;color:#fff;font-weight:800}
.auth-brand b{font-size:18px;letter-spacing:.3px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.field input{width:100%;height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font-size:14px;outline:none}
.field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.btn{height:44px;border:none;border-radius:10px;background:var(--blue);color:#fff;font-weight:600;width:100%;font-size:14.5px}
.btn:hover{filter:brightness(1.05)}
.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink);margin-top:10px}
.auth-lang{display:flex;gap:6px;justify-content:center;margin-top:16px}
.auth-lang button{background:none;border:none;color:var(--muted);font-size:12.5px;padding:4px 6px;border-radius:6px}
.auth-lang button.on{color:var(--blue);background:var(--blue-soft)}
.auth-err{color:var(--fail);font-size:13px;min-height:18px;margin-bottom:4px}

/* ---------- 布局 ---------- */
.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}
.sidebar{background:var(--navy);color:#c8cee0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side-brand{display:flex;align-items:center;gap:11px;padding:20px 22px;border-bottom:1px solid var(--navy-line)}
.side-brand .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--blue),#6aa4ff);
  display:grid;place-items:center;color:#fff;font-weight:800;flex:0 0 auto}
.side-brand b{color:#fff;font-size:16.5px;letter-spacing:.4px}
.side-role{margin:14px 22px 6px;font-size:11px;letter-spacing:1px;color:#6b7492;text-transform:uppercase}
.nav{padding:6px 12px;overflow-y:auto;flex:1}
.nav::-webkit-scrollbar{width:6px}.nav::-webkit-scrollbar-thumb{background:#333c5e;border-radius:6px}
.nav-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:10px;color:#b9c0d6;
  font-size:14.5px;font-weight:600;cursor:pointer;user-select:none}
.nav-item:hover{background:var(--navy-2);color:#fff}
.nav-item.active{background:var(--blue);color:#fff}
.nav-item .ico{width:18px;height:18px;flex:0 0 auto;opacity:.9}
.nav-item .caret{margin-left:auto;transition:transform .2s;opacity:.7}
.nav-item.open .caret{transform:rotate(90deg)}
.nav-sub{margin:2px 0 6px;padding-left:44px;display:none}
.nav-sub.show{display:block}
.nav-sub a{display:block;padding:9px 10px;font-size:13.5px;color:#9aa2bd;border-radius:8px}
.nav-sub a:hover{color:#fff;background:var(--navy-2)}
.nav-sub a.active{color:var(--blue);background:var(--blue-soft);color:#cfe0ff}

/* ---------- 主区 ---------- */
.main{display:flex;flex-direction:column;min-width:0}
.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  gap:16px;padding:0 26px;position:sticky;top:0;z-index:5}
.topbar .spacer{flex:1}
.lang-sel{position:relative}
.lang-sel .cur{border:1px solid var(--line);border-radius:9px;height:38px;padding:0 12px;display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink)}
.lang-menu{position:absolute;right:0;top:44px;background:#fff;border:1px solid var(--line);border-radius:10px;
  box-shadow:0 12px 30px rgba(20,26,45,.12);min-width:160px;overflow:hidden;display:none}
.lang-menu.show{display:block}
.lang-menu button{display:block;width:100%;text-align:left;padding:10px 14px;background:none;border:none;font-size:13.5px}
.lang-menu button:hover{background:var(--bg)}
.lang-menu button.on{color:var(--blue);font-weight:600}
.user-chip{display:flex;align-items:center;gap:10px;cursor:pointer}
.user-chip .av{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#6aa4ff,#2f7bff);
  display:grid;place-items:center;color:#fff;font-weight:700}
.user-chip .nm{font-size:13.5px;font-weight:600}
.user-chip .rl{font-size:11.5px;color:var(--muted)}
.logout-btn{border:1px solid var(--line);background:#fff;border-radius:8px;height:36px;padding:0 12px;font-size:13px;color:var(--muted)}

.content{padding:26px;min-width:0}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-head h1{font-size:22px;margin:0}
.crumb{color:var(--muted);font-size:13px}
.crumb b{color:var(--ink)}

/* 卡片 */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px}
.stat{background:#fff;border-radius:var(--radius);padding:24px;display:flex;align-items:center;gap:18px;
  border:1px solid var(--line);position:relative;overflow:hidden}
.stat .blob{position:absolute;width:120px;height:120px;border-radius:50%;background:var(--blue-soft);
  right:-40px;bottom:-46px;opacity:.6}
.stat .ic{width:58px;height:58px;flex:0 0 auto;color:var(--blue-ico);z-index:1}
.stat .meta{z-index:1}
.stat .lbl{color:var(--muted);font-size:13.5px;margin-bottom:6px}
.stat .val{font-size:26px;font-weight:800;letter-spacing:.5px}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.panel h2{font-size:16px;margin:0 0 4px}
.panel .sub{color:var(--muted);font-size:13px;margin-bottom:16px}

/* 公告 */
.notice{padding:18px 0;border-top:1px solid var(--line)}
.notice:first-of-type{border-top:none}
.notice h3{margin:0 0 8px;font-size:15.5px}
.notice p{margin:0;color:#5c6577;font-size:13.5px;line-height:1.7}
.notice .pin{display:inline-block;font-size:11px;color:var(--blue);background:var(--blue-soft);
  padding:2px 8px;border-radius:6px;margin-left:8px;vertical-align:middle}

/* 表格 */
.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{text-align:left;color:var(--muted);font-weight:600;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:13px 14px;border-bottom:1px solid var(--line);color:var(--ink)}
.table tr:hover td{background:#fafbfe}
.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.tag.ok{color:var(--ok);background:var(--ok-bg)}
.tag.fail{color:var(--fail);background:var(--fail-bg)}
.tag.wait{color:var(--wait);background:var(--wait-bg)}
.chips{display:flex;gap:8px;margin-bottom:16px}
.chip{border:1px solid var(--line);background:#fff;border-radius:20px;padding:6px 14px;font-size:13px;color:var(--muted)}
.chip.on{border-color:var(--blue);color:var(--blue);background:var(--blue-soft)}
.mini{border:1px solid var(--line);background:#fff;border-radius:7px;height:30px;padding:0 10px;font-size:12.5px}
.mini.danger{color:var(--fail);border-color:#f3c7c3}
.building{color:var(--muted);font-size:14px;padding:40px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius);background:#fff}

@media (max-width:1100px){ .cards{grid-template-columns:repeat(2,1fr)} }
@media (max-width:760px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;z-index:30;transform:translateX(-100%);transition:.25s;width:var(--sidebar-w)}
  .sidebar.open{transform:none}
  .cards{grid-template-columns:1fr}
}
.hamburger{display:none;background:none;border:none;font-size:22px;color:var(--ink)}
@media (max-width:760px){ .hamburger{display:block} }

/* ---------- 演示模式提示 ---------- */
.demo-banner{background:var(--wait-bg);color:var(--wait);border:1px solid #f0dcb0;border-radius:10px;
  padding:10px 12px;font-size:12.5px;margin-bottom:16px;line-height:1.6}
.demo-banner a{color:var(--blue);font-weight:600}
.topdemo{background:var(--wait-bg);color:var(--wait);border-bottom:1px solid #f0dcb0;
  padding:9px 26px;font-size:13px;display:flex;align-items:center;gap:14px}
.topdemo a{color:var(--blue);font-weight:600}
.topdemo .demo-toggle{margin-left:auto;display:flex;align-items:center;gap:6px;color:var(--ink);font-size:12.5px;cursor:pointer}

/* ---------- 站点页脚 ---------- */
.site-footer{margin-top:auto;padding:22px 26px;text-align:center;color:var(--muted);
  border-top:1px solid var(--line);background:#fff;font-size:12.5px;line-height:2}
.ft-copy{color:#8a93a6}
.ft-dist{color:var(--ink)}
.ft-links a{color:var(--muted);margin:0 4px}
.ft-links a:hover{color:var(--blue)}
.ft-links .ft-sep{color:#d5dbe6;margin:0 6px}
.ft-mit{display:flex;align-items:center;justify-content:center;gap:8px;color:#9aa3b4}
.ft-gh{display:inline-flex;color:#5c6577}
.ft-ghico{width:18px;height:18px;color:#5c6577}
.ft-gh:hover .ft-ghico{color:var(--ink)}
.hint-note{font-size:12.5px;color:var(--muted);background:var(--bg);border-radius:8px;padding:10px 12px}
.main{min-height:100vh;display:flex;flex-direction:column}
.content{flex:1}

/* 小开关 */
.switch-mini{position:relative;display:inline-block;width:38px;height:20px;cursor:pointer}
.switch-mini input{opacity:0;width:0;height:0}
.switch-mini span{position:absolute;inset:0;background:#cbd3e1;border-radius:20px;transition:.2s}
.switch-mini span:before{content:"";position:absolute;width:16px;height:16px;left:2px;top:2px;background:#fff;border-radius:50%;transition:.2s}
.switch-mini input:checked + span{background:var(--blue)}
.switch-mini input:checked + span:before{transform:translateX(18px)}