:root{--bg:#07101f;--panel:#101b2f;--panel2:#15233a;--line:#243550;--text:#edf4ff;--muted:#8fa2bd;--brand:#5d7cff;--brand2:#7e5cff;--green:#32d6a0;--red:#ff6b7c;--amber:#ffc857;--shadow:0 18px 45px rgba(0,0,0,.22)}
*{box-sizing:border-box}
html{color-scheme:dark}
body{margin:0;background:radial-gradient(circle at 12% 0,#16254b 0,transparent 34%),var(--bg);color:var(--text);font:14px/1.55 "Microsoft YaHei","PingFang SC",system-ui,sans-serif;min-height:100vh}
a{color:inherit;text-decoration:none}
.topbar{position:sticky;top:0;z-index:20;background:rgba(7,16,31,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav{max-width:1240px;margin:auto;height:68px;display:flex;align-items:center;padding:0 22px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-right:16px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 8px 22px rgba(93,124,255,.38)}
.nav-links{display:flex;align-items:center;gap:6px;flex:1}.nav-links a{padding:9px 13px;border-radius:9px;color:var(--muted)}.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.07)}
.user-area{display:flex;align-items:center;gap:12px}.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#23385e;font-weight:700}.link-button{border:0;background:none;color:var(--muted);cursor:pointer;font:inherit;padding:8px}
.container{max-width:1240px;margin:0 auto;padding:28px 22px 60px}.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px}.page-head h1{font-size:28px;margin:0 0 5px}.page-head p,.muted{color:var(--muted);margin:0}
.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:linear-gradient(145deg,rgba(21,35,58,.96),rgba(14,26,45,.96));border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.card-body{padding:20px}.card-head{padding:17px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.card-head h2,.card-head h3{margin:0;font-size:16px}.stat{padding:20px}.stat-label{color:var(--muted);font-size:13px}.stat-value{font-size:27px;font-weight:800;margin-top:8px}.stat-note{font-size:12px;color:var(--muted);margin-top:4px}
.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:620px}.table th,.table td{padding:13px 15px;text-align:left;border-bottom:1px solid rgba(255,255,255,.065);white-space:nowrap}.table th{font-size:12px;color:var(--muted);font-weight:600;background:rgba(255,255,255,.02)}.table tbody tr:hover{background:rgba(255,255,255,.025)}.table tr:last-child td{border-bottom:0}
.form-group{margin-bottom:15px}.form-group label{display:block;color:#c9d5e6;margin-bottom:7px;font-size:13px}.input,.select{width:100%;border:1px solid #314666;border-radius:10px;background:#0b1628;color:#fff;padding:11px 12px;outline:none;font:inherit}.input:focus,.select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(93,124,255,.14)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.btn{border:0;border-radius:10px;padding:10px 15px;font:600 14px inherit;color:#fff;background:#273a58;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px}.btn:hover{filter:brightness(1.12)}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2))}.btn-green{background:#168b6d}.btn-red{background:#9d3346}.btn-sm{padding:7px 10px;font-size:12px}.btn-block{width:100%}
.badge{display:inline-flex;padding:3px 8px;border-radius:99px;font-size:11px;font-weight:700;background:#263a59;color:#c9d8eb}.badge-green{background:rgba(50,214,160,.13);color:var(--green)}.badge-red{background:rgba(255,107,124,.13);color:var(--red)}.badge-amber{background:rgba(255,200,87,.13);color:var(--amber)}
.text-green{color:var(--green)}.text-red{color:var(--red)}.text-right{text-align:right!important}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.alert{border:1px solid;padding:12px 15px;border-radius:11px;margin-bottom:16px}.alert-success{background:rgba(50,214,160,.1);border-color:rgba(50,214,160,.3);color:#8af0cd}.alert-error{background:rgba(255,107,124,.1);border-color:rgba(255,107,124,.3);color:#ff9eaa}.alert-info{background:rgba(93,124,255,.1);border-color:rgba(93,124,255,.3);color:#adc0ff}
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:100%;max-width:430px}.auth-card .card-body{padding:32px}.auth-title{text-align:center;margin-bottom:26px}.auth-title .brand-mark{margin:0 auto 13px;width:48px;height:48px}.auth-title h1{margin:0;font-size:25px}.auth-title p{color:var(--muted);margin:6px 0 0}.auth-foot{text-align:center;color:var(--muted);margin-top:18px}
.market-switch{display:flex;flex-wrap:wrap;gap:8px}.market-switch a{padding:8px 12px;border:1px solid var(--line);border-radius:9px;color:var(--muted)}.market-switch a.active{background:var(--brand);border-color:var(--brand);color:#fff}.order-form.buy{border-top:2px solid var(--green)}.order-form.sell{border-top:2px solid var(--red)}
.mining-card{position:relative}.mining-orb{width:76px;height:76px;border-radius:50%;display:grid;place-items:center;font-size:28px;background:radial-gradient(circle at 32% 28%,#b3c0ff,var(--brand2) 45%,#263168 75%);box-shadow:0 0 36px rgba(126,92,255,.48);margin-bottom:18px}.rule-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;color:var(--muted);font-size:13px}.rule-list strong{display:block;color:#fff}
.tabs{display:flex;gap:8px;margin:18px 0}.tabs a{padding:9px 13px;border-radius:9px;background:#13223a;color:var(--muted)}.section-title{margin:28px 0 14px;font-size:19px}.empty{padding:38px 20px;text-align:center;color:var(--muted)}
.notice{border:1px solid rgba(255,200,87,.26);background:rgba(255,200,87,.07);color:#f6d88c;border-radius:12px;padding:13px 15px;margin-bottom:20px}
.admin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.admin-grid .wide{grid-column:span 2}.inline-form{display:flex;gap:8px;align-items:center}.inline-form .select{min-width:120px}
@media(max-width:900px){.grid-4,.grid-3,.admin-grid{grid-template-columns:1fr 1fr}.admin-grid .wide{grid-column:span 2}.nav-links a{display:none}.nav-links a:nth-child(-n+3){display:block}.user-name{display:none}}
@media(max-width:650px){.container{padding:20px 13px 45px}.nav{padding:0 13px;gap:8px}.brand span:last-child{display:none}.nav-links{gap:0}.nav-links a{padding:8px}.grid-2,.grid-3,.grid-4,.admin-grid{grid-template-columns:1fr}.admin-grid .wide{grid-column:auto}.form-row{grid-template-columns:1fr}.page-head{align-items:flex-start;flex-direction:column}.card-body{padding:16px}}