:root{--bg:#0f1729;--panel:#182238;--panel2:#1f2c47;--line:#2a3a5c;--txt:#dbe4f5;--sub:#8fa0c0;--blue:#3b82f6;--green:#22c55e;--red:#ef4444;--orange:#f59e0b;--radius:10px}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--txt);font:14px/1.7 "PingFang SC","Microsoft YaHei",sans-serif;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 18px;width:100%}
.topbar{background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{color:#fff;font-size:17px;font-weight:700;letter-spacing:1px}
.logo:before{content:"🛡";margin-right:6px}
nav{display:flex;gap:4px;align-items:center}
nav a{color:var(--sub);padding:6px 14px;border-radius:6px}
nav a.on,nav a:hover{color:#fff;background:var(--panel2)}
nav .who{color:var(--sub);margin-left:14px;font-size:12px}
.main{flex:1;padding:26px 18px 50px}
h1{font-size:20px;margin-bottom:16px}
h2{font-size:16px;margin-bottom:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.stat{background:var(--panel2);border-radius:var(--radius);padding:16px}
.stat b{font-size:26px;display:block}
.stat span{color:var(--sub);font-size:12px}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 8px;text-align:left;border-bottom:1px solid var(--line);font-size:13px;vertical-align:top}
th{color:var(--sub);font-weight:500;white-space:nowrap}
.badge{display:inline-block;padding:1px 10px;border-radius:20px;font-size:12px}
.b-ok{background:rgba(34,197,94,.15);color:var(--green)}
.b-warn{background:rgba(245,158,11,.15);color:var(--orange)}
.b-fail,.b-high{background:rgba(239,68,68,.15);color:var(--red)}
.b-info{background:rgba(59,130,246,.15);color:var(--blue)}
.b-muted{background:var(--panel2);color:var(--sub)}
.btn{display:inline-block;background:var(--blue);color:#fff;border:0;padding:8px 18px;border-radius:7px;cursor:pointer;font-size:14px}
.btn:hover{opacity:.9}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}
.btn-sm{padding:3px 12px;font-size:12px;border-radius:5px}
.btn-danger{background:var(--red)}
input,select,textarea{background:var(--panel2);border:1px solid var(--line);color:var(--txt);padding:9px 12px;border-radius:7px;width:100%;font-size:14px}
input:focus,select:focus{outline:none;border-color:var(--blue)}
label{display:block;color:var(--sub);margin:12px 0 5px;font-size:13px}
.form-actions{margin-top:18px}
.flash{padding:10px 16px;border-radius:8px;margin-bottom:14px;font-size:13px}
.flash-ok{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.4)}
.flash-err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.4)}
.muted{color:var(--sub)}
.small{font-size:12px}
.mt{margin-top:14px}.mb{margin-bottom:14px}
.score-ring{font-size:44px;font-weight:800}
.grade-A{color:var(--green)}.grade-B{color:#84cc16}.grade-C{color:var(--orange)}.grade-D{color:#f97316}.grade-E{color:var(--red)}
.item-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.item-row .nm{min-width:110px;font-weight:600}
.item-row .dt{flex:1;color:var(--sub);font-size:13px}
.item-row .sc{white-space:nowrap;font-weight:700}
.login-box{max-width:380px;margin:70px auto}
.foot{text-align:center;color:var(--sub);font-size:12px;padding:18px;border-top:1px solid var(--line)}
.qr-box{text-align:center;padding:20px;background:#fff;border-radius:12px;display:inline-block}
.plan-card{position:relative}
.plan-card .price{font-size:28px;font-weight:800;color:#fff}
.plan-card .price small{font-size:13px;color:var(--sub);font-weight:400}
.plan-rec{border-color:var(--blue)}
.plan-rec:after{content:"推荐";position:absolute;top:-10px;right:14px;background:var(--blue);color:#fff;font-size:11px;padding:1px 10px;border-radius:10px}
.admin-nav{display:flex;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:6px;margin-bottom:18px;flex-wrap:wrap}
.admin-nav a{padding:6px 14px;border-radius:6px;color:var(--sub)}
.admin-nav a.on,.admin-nav a:hover{background:var(--panel2);color:#fff}
@media(max-width:640px){.topbar-in{flex-direction:column;height:auto;padding:10px 0;gap:6px}nav{flex-wrap:wrap;justify-content:center}}