:root{--bg: #05070f;--bg-2: #0a0f1e;--card: rgba(18, 25, 45, .72);--card-solid: #121a2e;--border: rgba(90, 130, 220, .16);--border-strong: rgba(90, 130, 220, .35);--text: #e8edf7;--muted: #7c8bab;--accent: #4f8cff;--accent-2: #22d3ee;--accent-3: #7c5cff;--green: #22c55e;--red: #f43f5e;--amber: #f59e0b;--radius: 16px;--glow: 0 0 30px rgba(79, 140, 255, .25)}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased}.bg-glow{position:fixed;border-radius:50%;filter:blur(90px);opacity:.5;z-index:0;pointer-events:none}.bg-glow-1{width:520px;height:520px;background:radial-gradient(circle,rgba(79,140,255,.35),transparent 70%);top:-160px;left:-120px}.bg-glow-2{width:460px;height:460px;background:radial-gradient(circle,rgba(34,211,238,.28),transparent 70%);bottom:-120px;right:-100px}.bg-glow-3{width:380px;height:380px;background:radial-gradient(circle,rgba(124,92,255,.3),transparent 70%);top:40%;left:60%}header#topbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:16px;padding:14px 24px;background:#05070fb8;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px}.brand-logo{width:36px;height:36px;border-radius:9px;object-fit:cover;box-shadow:var(--glow)}.brand-name{font-size:18px;font-weight:700;letter-spacing:.5px}.brand-badge{font-size:10px;padding:2px 6px;border-radius:4px;background:#4f8cff2e;color:var(--accent-2);font-weight:700;letter-spacing:.5px}.topnav{display:flex;gap:4px;margin-left:8px;flex:1}.topnav a{color:var(--muted);text-decoration:none;font-size:14px;padding:8px 14px;border-radius:8px;cursor:pointer;transition:all .2s}.topnav a:hover{color:var(--text);background:#ffffff0a}.topnav a.active{color:var(--accent-2);background:#4f8cff1f}.auth-area{display:flex;gap:8px;align-items:center}.auth-area .user-email{font-size:13px;color:var(--muted);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hamburger{display:block;background:none;border:none;color:var(--text);font-size:22px;cursor:pointer}.mobile-nav{position:fixed;top:0;right:-280px;width:260px;height:100vh;background:var(--bg-2);border-left:1px solid var(--border);padding:80px 20px 20px;z-index:200;transition:right .25s ease;display:flex;flex-direction:column;gap:4px}.mobile-nav.open{right:0}.mobile-nav a{color:var(--text);text-decoration:none;padding:12px 14px;border-radius:8px;font-size:15px}.mobile-nav a.active{background:#4f8cff24;color:var(--accent-2)}.mobile-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:150;display:none}.mobile-mask.open{display:block}.container{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding:28px 20px 80px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:border-color .25s,box-shadow .25s}.card:hover{border-color:var(--border-strong)}.card h2{font-size:16px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:8px}.card h2:before{content:"";width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,var(--accent),var(--accent-2))}.card h3{font-size:13px;color:var(--muted);margin:18px 0 10px;font-weight:600}input,select,textarea{padding:11px 14px;border-radius:10px;border:1px solid var(--border);background:#0a0f1ecc;color:var(--text);font-size:14px;transition:border-color .2s,box-shadow .2s;width:100%}input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #4f8cff26}input::placeholder{color:#4a5670}button{padding:11px 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14px;border:1px solid rgba(244,63,94,.36);border-radius:8px;background:#f43f5e1f;color:#fecdd3;font-size:13px;font-weight:600;text-align:center}.quick-amounts{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}.quick-amount{min-width:108px;min-height:48px;padding:12px 18px;border:1px solid var(--border-strong);border-radius:8px;background:#0a0f1eb8;color:var(--text);font-size:15px;font-weight:700}.quick-amount.active{border-color:var(--accent-2);background:#22d3ee29;color:var(--accent-2)}.recharge-section{display:flex;flex-direction:column;gap:18px}.amount-row{align-items:center}.recharge-controls{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}.recharge-amount-input{flex:none;width:200px;max-width:200px;height:38px;padding:7px 12px;box-sizing:border-box}.payment-radio-group{display:flex;flex-wrap:wrap;gap:10px}.payment-radio{display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:8px 12px;border:1px solid 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td{background:#ffffff05}.tag{padding:3px 9px;border-radius:6px;font-size:12px;font-weight:600}.tag.active,.tag.recharge{background:#22c55e26;color:#4ade80}.tag.consume{background:#f43f5e26;color:#fb7185}.tag.refund{background:#f59e0b26;color:#fbbf24}.tag.adjust{background:#7c5cff26;color:#a78bfa}.key-box{font-family:SF Mono,JetBrains Mono,Menlo,monospace;font-size:13px;background:#0a0f1ee6;border:1px solid var(--border);padding:14px;border-radius:10px;word-break:break-all;display:flex;align-items:center;gap:10px}.key-box code{flex:1}.copy-btn{cursor:pointer}.conv{background:#0a0f1e8c;border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:12px;padding:16px;margin-bottom:12px}.conv .q{margin-bottom:10px}.conv .q strong{color:var(--accent-2)}.conv .a{color:var(--muted);white-space:pre-wrap;word-break:break-word}.conv .a strong{color:#4ade80}.conv .meta{font-size:11px;color:#566182;margin-top:10px;display:flex;flex-wrap:wrap;gap:10px}.auth-wrap{max-width:440px;margin:40px auto}.auth-tabs{display:flex;gap:8px;margin-bottom:20px}.auth-tabs button{flex:1;background:transparent;border:1px solid var(--border);color:var(--muted);padding:10px;border-radius:10px;font-size:14px}.auth-tabs button.active{color:var(--accent-2);border-color:var(--accent);background:#4f8cff1a}.auth-field{margin-bottom:14px}.auth-field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.code-row{display:flex;gap:10px}.code-row input{flex:1}.page{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.toast{position:fixed;top:20px;right:20px;z-index:999;display:inline-flex;align-items:center;gap:10px;max-width:min(360px,calc(100vw - 32px));padding:12px 16px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid rgba(255,255,255,.16);background:#0d1425f0;color:var(--text);box-shadow:0 18px 42px #0000006b,0 0 0 1px #ffffff0a;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);animation:toastSlideIn .25s ease}.toast.success{border-color:#22d3ee61;background:linear-gradient(135deg,#121f31f5,#082d30f0);color:#dffcff}.toast-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;flex:0 0 24px;border-radius:999px;background:#22d3ee2e;color:var(--accent-2);box-shadow:inset 0 0 0 1px #22d3ee42}.toast-message{min-width:0;line-height:1.45;word-break:break-word}.toast.err .toast-icon{background:#ffffff2e;color:#fff;box-shadow:inset 0 0 0 1px #fff3}.toast.err{background:#f43f5ef2;color:#fff}@keyframes spin{to{transform:rotate(360deg)}}@keyframes toastSlideIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}.empty{text-align:center;padding:40px 20px;color:var(--muted)}.empty .empty-icon{font-size:40px;margin-bottom:12px;opacity:.4}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;z-index:500;display:flex;justify-content:center;align-items:center;padding:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.code-block{background:#0a0f1e;border:1px solid var(--border);border-radius:10px;padding:16px;font-family:SF Mono,JetBrains Mono,Menlo,Consolas,monospace;font-size:13px;line-height:1.7;color:#c9d6f0;overflow-x:auto;white-space:pre;-webkit-overflow-scrolling:touch}.code-block code{color:inherit}.step-list{display:flex;flex-direction:column;gap:12px}.step{display:flex;align-items:center;gap:14px}.step-num{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:700;font-size:14px;box-shadow:var(--glow)}@media(max-width:768px){header#topbar{padding:12px 16px}.topnav{display:none}.hamburger{display:block}.auth-area{margin-left:auto}.auth-area .user-email{display:none}.container{padding:18px 14px 90px}.card{padding:18px;border-radius:14px}.grid{grid-template-columns:repeat(2,1fr);gap:10px}.stat .num{font-size:22px}.form-row>input,.form-row>select{min-width:100%}.recharge-controls{align-items:stretch}.recharge-amount-input{width:100%;max-width:none}.payment-radio-group{width:100%}.payment-radio{flex:1;justify-content:center;min-width:128px}.recharge-submit{width:100%}button{padding:12px 16px}.brand-name{font-size:16px}}@media(max-width:400px){.grid{grid-template-columns:1fr 1fr}.stat .num{font-size:19px}}