:root{--blue:#3b82f6;--blue-d:#2563eb;--bg:#f8fafc;--card:#fff;--text:#0f172a;--text2:#64748b;--border:#e2e8f0;--green:#10b981;--red:#ef4444;--orange:#f59e0b}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{text-decoration:none;color:inherit}
svg{flex-shrink:0}
.nav{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.nav-brand .logo{width:32px;height:32px;background:var(--blue);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{color:var(--text2);font-size:14px;transition:.15s}
.nav-links a:hover,.nav-links a.on{color:var(--blue)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:8px;font-size:14px;cursor:pointer;border:1px solid var(--border);background:#fff;color:var(--text);transition:.15s}
.btn:hover{border-color:var(--blue);color:var(--blue)}
.btn-b{background:var(--blue);color:#fff;border-color:var(--blue)}.btn-b:hover{background:var(--blue-d);color:#fff;border-color:var(--blue-d)}
.btn-g{background:var(--green);color:#fff;border-color:var(--green)}.btn-g:hover{background:#059669}
.btn-r{background:var(--red);color:#fff;border-color:var(--red)}.btn-r:hover{background:#dc2626}
.btn-sm{padding:5px 12px;font-size:13px}
.container{max-width:1200px;margin:0 auto;padding:24px}
.hero{text-align:center;padding:60px 0 40px}
.hero h1{font-size:36px;font-weight:700;margin-bottom:12px}
.hero p{color:var(--text2);font-size:16px}
.pkgs{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-top:32px}
.pkg{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;transition:.2s;position:relative}
.pkg:hover{box-shadow:0 8px 30px rgba(0,0,0,.08);transform:translateY(-2px)}
.pkg .icon{width:48px;height:48px;background:#eff6ff;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.pkg .icon svg{color:var(--blue)}
.pkg h3{font-size:18px;margin-bottom:4px}
.pkg .desc{color:var(--text2);font-size:13px;margin-bottom:16px}
.pkg .price{font-size:32px;font-weight:700;color:var(--blue)}
.pkg .price small{font-size:14px;color:var(--text2);font-weight:400}
.pkg .specs{margin:16px 0;padding:16px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.pkg .spec{display:flex;justify-content:space-between;padding:4px 0;font-size:13px}
.pkg .spec .k{color:var(--text2)}
.pkg .spec .v{font-weight:500}
.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;margin-bottom:16px}
.card h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.dash{display:flex;gap:20px;max-width:1200px;margin:0 auto;padding:24px}
.dash-side{width:200px;flex-shrink:0}
.dash-side .card{padding:8px}
.dash-side a{display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:8px;color:var(--text2);font-size:14px;transition:.15s}
.dash-side a:hover{background:var(--bg);color:var(--text)}
.dash-side a.on{background:#eff6ff;color:var(--blue)}
.dash-main{flex:1;min-width:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}
.stat .n{font-size:24px;font-weight:700}
.stat .l{font-size:13px;color:var(--text2);margin-top:4px}
table{width:100%;border-collapse:collapse;font-size:14px}
th{color:var(--text2);font-weight:500;text-align:left;padding:10px 0;font-size:13px;border-bottom:1px solid var(--border)}
td{padding:12px 0;border-bottom:1px solid #f1f5f9}
input,select{padding:9px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;outline:none;transition:.15s}
input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #dbeafe}
.badge{padding:3px 10px;border-radius:6px;font-size:12px;font-weight:500}
.badge.g{background:#dcfce7;color:#166534}
.badge.x{background:#f1f5f9;color:#64748b}
.auth{max-width:400px;margin:80px auto;background:#fff;border:1px solid var(--border);border-radius:16px;padding:40px;box-shadow:0 4px 24px rgba(0,0,0,.04)}
.auth h2{text-align:center;margin-bottom:24px}
.auth input{width:100%;margin:8px 0;padding:12px 16px}
.auth .btn{width:100%;justify-content:center;padding:12px;margin-top:12px}
.auth .links{text-align:center;margin-top:16px;font-size:13px}
.auth .links a{color:var(--blue)}
.toast{position:fixed;top:20px;right:20px;background:#0f172a;color:#fff;padding:14px 20px;border-radius:10px;font-size:14px;z-index:999;display:none;box-shadow:0 4px 20px rgba(0,0,0,.15)}
.toast.show{display:block}
.info-row{display:flex;padding:10px 0;border-bottom:1px solid #f8fafc;font-size:14px}
.info-row:last-child{border:none}
.info-row .k{width:100px;color:var(--text2);flex-shrink:0}
.info-row .v{font-weight:500}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px}
.dot.on{background:var(--green);box-shadow:0 0 0 3px #dcfce7}
.dot.off{background:#cbd5e1}
.cols{display:grid;grid-template-columns:1fr 1.2fr;gap:16px}
@media(max-width:768px){.dash{flex-direction:column}.dash-side{width:100%}.cols{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:28px}}