:root{--bg:#f4f6fb;--card:#fff;--ink:#1f2937;--muted:#6b7280;--line:#e5e7eb;--brand:#4f46e5;--brand-2:#4338ca;--ok:#059669;--warn:#d97706;--bad:#dc2626}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}
.topbar{background:#111827;color:#fff;position:sticky;top:0;z-index:10}
.bar-inner{display:flex;align-items:center;gap:18px;height:56px;flex-wrap:wrap}
.brand{color:#fff;font-weight:700;font-size:17px;text-decoration:none}
.menu{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.menu a{color:#d1d5db;font-size:14px;text-decoration:none}
.menu a:hover{color:#fff}
.main{padding:24px 16px 48px}
.foot{color:var(--muted);font-size:13px;padding-bottom:32px}
h1{font-size:22px;margin:0 0 10px}
h2{font-size:18px;margin:20px 0 10px}
h3{font-size:16px;margin:0 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:16px}
.narrow{max-width:640px;margin:0 auto}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.g2,.g3,.g4{grid-template-columns:1fr}}
.kpi .num{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums}
.hero{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border-radius:16px;padding:30px;margin-bottom:20px}
.hero h1{color:#fff;font-size:26px}
.hero p{opacity:.92;margin:6px 0}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.pill{background:rgba(255,255,255,.2);border-radius:99px;padding:4px 12px;font-size:13px}
.price{font-size:26px;font-weight:700;color:var(--brand);margin:8px 0}
table{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:600;background:#f9fafb;white-space:nowrap}
tbody tr:hover td{background:#f8faff}
.btn{display:inline-block;background:var(--brand);border:none;color:#fff;padding:8px 14px;border-radius:8px;font-size:14px;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--brand-2);text-decoration:none}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-danger{background:var(--bad)}.btn-danger:hover{background:#b91c1c}
.btn-ok{background:var(--ok)}.btn-ok:hover{background:#047857}
.btn-sm{padding:4px 10px;font-size:13px}
.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:12px;background:#eef2ff;color:#4338ca;white-space:nowrap}
.b-green{background:#ecfdf5;color:#047857}
.b-red{background:#fef2f2;color:#b91c1c}
.b-yellow{background:#fffbeb;color:#b45309}
.b-gray{background:#f3f4f6;color:#6b7280}
.b-blue{background:#eff6ff;color:#1d4ed8}
label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
input[type=text],input[type=password],input[type=number],input[type=email],input[type=file],select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fff;font-family:inherit}
textarea{min-height:110px;font-family:ui-monospace,Consolas,monospace;font-size:13px}
input[type=checkbox],input[type=radio]{width:auto}
.form-row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-start}
.form-row>div{flex:1;min-width:160px}
.inline{display:inline}
.msg{padding:10px 14px;border-radius:8px;margin:10px 0;font-size:14px}
.msg-err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.msg-ok{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.muted{color:var(--muted);font-size:13px}
.mono{font-family:ui-monospace,Consolas,monospace;font-size:13px;word-break:break-all}
.mono-box{padding:10px;white-space:pre-wrap}
details{margin:4px 0}
summary{cursor:pointer;color:var(--brand);font-size:13px}
.right{float:right}
.num{font-variant-numeric:tabular-nums}
.qr{max-width:220px;border-radius:8px;border:1px solid var(--line);display:block;margin:8px 0}
.tl{list-style:none;padding:0;margin:8px 0}
.tl li{padding:6px 0;border-bottom:1px dashed var(--line);font-size:14px}