:root{--ink:#15221d;--muted:#62716a;--paper:#fbfbf7;--soft:#eff3ed;--line:#dbe2d8;--accent:#176b45;--accent-dark:#0f4d31;--gold:#e7ba58;--danger:#b43d37;--warn:#7a5700}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:linear-gradient(120deg,#f4f8f1,#fcfbf6 55%,#f3f4e9);font:15px/1.55 Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}.shell{max-width:1100px;margin:auto;padding:26px 28px 42px}.topbar{display:flex;justify-content:space-between;align-items:center}.brand{color:var(--ink);font-weight:800;text-decoration:none;font-size:18px}.brand-mark{color:var(--gold);font-size:22px;margin-right:6px}.secure{color:var(--accent);font-size:13px}.hero{padding:76px 0 42px;max-width:760px}.eyebrow{font-size:12px;letter-spacing:1.5px;color:var(--accent);font-weight:800;margin:0 0 9px}.hero h1{font-size:47px;line-height:1.13;letter-spacing:-2.5px;margin:0 0 17px}.hero em{font-style:normal;color:var(--accent)}.lede{color:var(--muted);font-size:17px;max-width:680px}.grid,.admin-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:18px}.card{background:#fffefa;border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:0 8px 28px #18352208}.card-label{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--accent);font-weight:800}.card h2{margin:8px 0 10px;font-size:24px}.hint,.microcopy,.muted{color:var(--muted);font-size:13px}.subtle{margin-top:28px;background:#f4f8ee;color:#445248;border:1px solid #d8e5d0}.notice{padding:12px 15px;border-radius:8px}.warning{background:#fff2d5;color:#765000;margin:20px 0}.hidden{display:none!important}.tiers{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:15px 0}.tier{border:1px solid var(--line);border-radius:9px;background:#fff;padding:11px 5px;cursor:pointer;color:var(--ink)}.tier strong{display:block;font-size:18px;color:var(--accent)}.tier span{font-size:11px;color:var(--muted)}.tier small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.tier.selected{border-color:var(--accent);background:#eff8f1;box-shadow:0 0 0 2px #176b4517}.claim-card form,label{display:grid;gap:7px}label{margin:14px 0}input,textarea,select{width:100%;border:1px solid #cbd6ca;border-radius:8px;background:#fff;padding:12px 13px;font:inherit;color:var(--ink);outline:none}input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #1b6b451c}textarea{min-height:120px;resize:vertical}.primary{display:flex;justify-content:center;gap:20px;border:0;border-radius:8px;background:var(--accent);color:white;padding:13px 18px;font:700 15px inherit;cursor:pointer}.primary:hover{background:var(--accent-dark)}.secondary{border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;border-radius:8px;padding:10px 13px;font-weight:700}button:disabled{opacity:.6;cursor:wait}.how{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:56px 22px}.how span{color:var(--gold);font-weight:800}.how h3{font-size:17px;margin:6px 0}.how p{font-size:13px;color:var(--muted);margin:0}.lookup{padding:25px 30px;border-top:1px solid var(--line)}.lookup h2{margin:0}.lookup p{color:var(--muted);margin:4px 0 14px}.lookup-form{display:grid;grid-template-columns:1.2fr 1fr auto;gap:9px}footer{margin-top:34px;text-align:center;color:var(--muted);font-size:12px}footer a,.back{color:var(--accent);text-decoration:none;margin-left:9px}.result{margin-top:18px;border-radius:14px;padding:20px 23px;background:#f0f8f2;border:1px solid #b9d8bd}.result.pending{background:#fff9e9;border-color:#eddb98}.result.rejected{background:#fff0ed;border-color:#efb9b0}.result h2{margin:0 0 6px;font-size:20px}.result p{margin:5px 0}.payment-instruction{margin-top:16px;padding:18px;border:1px solid #b9d8bd;background:#f7fcf7;border-radius:11px}.pay-label{color:var(--muted);font-size:13px;margin:0}.exact-amount{display:flex;gap:9px;align-items:baseline;margin:3px 0 11px}.exact-amount strong{font-size:31px;letter-spacing:-1px;color:var(--accent)}.exact-amount span{font-weight:800;color:var(--muted)}.exact-amount button{margin-left:auto}.address-row{display:flex;gap:9px;align-items:center;margin:8px 0}.address-row code{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:12px;background:#fff;border-radius:8px;font-size:12px}.code-box{display:flex;align-items:center;gap:12px;background:#fff;border:1px dashed #8fbd97;border-radius:8px;padding:12px;margin:14px 0 5px}.code-box code{font-weight:800;font-size:16px;word-break:break-all;flex:1}.error-line{color:var(--danger);font-weight:700}.support{padding-top:8px}.issue-box{margin-top:15px;padding:14px;background:#fff9ee;border:1px solid #eed9a7;border-radius:9px}.issue-box summary{font-weight:800;cursor:pointer}.issue-box form{margin-top:10px}.admin-page{background:#f4f7f2}.admin-shell{max-width:1100px;margin:auto;padding:35px 28px 60px}.admin-shell header{margin:33px 0}.admin-shell h1{font-size:46px;letter-spacing:-2px;margin:7px 0}.admin-shell header p:not(.eyebrow){color:var(--muted)}.compact{padding:25px}.compact h2{margin-top:6px}.compact form{display:grid;gap:12px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}.stats article{border:1px solid var(--line);background:#fffefa;border-radius:12px;padding:17px}.stats span{display:block;color:var(--muted);font-size:13px}.stats strong{font-size:30px}.alert-stat{border-color:#e2a29b!important;background:#fff4f2!important}.stock-list{display:grid;grid-template-columns:repeat(5,1fr);gap:9px}.stock-list article{border:1px solid var(--line);border-radius:9px;padding:12px;background:#fff}.stock-list strong,.stock-list span{display:block}.stock-list span{font-size:12px;color:var(--muted)}.orders{padding:25px;margin-top:16px}.section-heading{display:flex;justify-content:space-between;align-items:center}.section-heading h2{margin:4px 0}.order-list{display:grid;gap:10px;margin-top:17px}.order{border:1px solid var(--line);border-radius:10px;padding:14px;display:grid;grid-template-columns:1.3fr 1fr 1fr auto;gap:12px;align-items:center;background:#fff}.exception-order{border-color:#df9a91;background:#fff8f6}.order code{font-size:12px;word-break:break-all}.badge{font-size:11px;font-weight:800;letter-spacing:.7px;padding:4px 7px;border-radius:99px;background:#eef1ee;display:inline-block}.badge.PAID{background:#dff3e3;color:#176b45}.badge.AWAITING_PAYMENT,.badge.PAYMENT_DETECTED{background:#fff1c8;color:#7b5500}.badge.EXCEPTION,.badge.UNMATCHED_AMOUNT,.badge.WRONG_TOKEN{background:#fee2df;color:#a23630}.badge.REJECTED{background:#fee2df;color:#a23630}.order small{display:block;color:var(--muted);margin-top:4px;white-space:pre-line}.order-actions{display:flex;gap:6px}.approve{background:var(--accent)}.reject{color:var(--danger);border-color:#eab7b2}.empty{color:var(--muted);padding:20px 0}@media(max-width:720px){.shell,.admin-shell{padding:20px 16px}.hero{padding:55px 0 35px}.hero h1{font-size:37px;letter-spacing:-2px}.grid,.admin-grid{grid-template-columns:1fr}.how{padding:40px 2px;gap:12px}.lookup-form{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.stock-list{grid-template-columns:repeat(2,1fr)}.order{grid-template-columns:1fr}.order-actions{justify-content:flex-start}.card{padding:23px}.secure{display:none}.tiers{grid-template-columns:repeat(3,1fr)}}

.payment-qr{display:flex;justify-content:center;margin:14px 0}.payment-qr img{width:180px;height:180px;border-radius:8px;background:#fff;padding:7px;border:1px solid var(--line)}

/* Buyer payment notice and fixed product balance labels. */
.payment-card{display:flex;flex-direction:column}
.payment-card-intro{flex:0 0 auto}
.payment-warning{display:flex;flex:1;align-items:center;margin-top:24px;min-height:154px;padding:23px 24px;border:1px solid #f1aaa4;border-radius:11px;background:linear-gradient(135deg,#fff0ee,#fff8ed);color:#962d28;box-shadow:inset 4px 0 0 #c54139;font-size:19px;line-height:1.65;letter-spacing:.1px}
.payment-warning strong{font-weight:900}
.tier strong{display:block;font-size:18px;color:var(--accent)}
.tier strong span{margin-left:2px;font-size:11px;color:var(--muted);font-weight:700}
.tier small{min-height:31px;font-size:11px;line-height:1.35;color:#385247;font-weight:700;margin-top:5px}
@media(max-width:720px){.payment-warning{min-height:130px;font-size:17px;margin-top:20px}.tier small{min-height:30px}}

.network-only{color:var(--danger);font-weight:700}


/* Public OKX / Binance payment guide. */
.top-actions{display:flex;align-items:center;gap:13px}
.guide-link{display:inline-flex;align-items:center;justify-content:center;border:1px solid #b7d6c1;border-radius:999px;padding:7px 12px;background:#f3faf4;color:var(--accent);font-size:13px;font-weight:800;text-decoration:none;white-space:nowrap}
.guide-link:hover{border-color:var(--accent);background:#e6f4e9}
.guide-shell{max-width:980px;margin:auto;padding:26px 28px 48px}
.guide-topbar{margin-bottom:58px}
.guide-hero{max-width:720px;margin-bottom:27px}
.guide-hero h1{margin:0 0 12px;font-size:43px;letter-spacing:-2px;line-height:1.16}
.guide-hero>p:not(.eyebrow){margin:0;color:var(--muted);font-size:17px}
.guide-alert{padding:19px 22px;border:1px solid #f0aaa2;border-radius:12px;background:linear-gradient(135deg,#fff1ef,#fff9ee);color:#8e2f2a;font-size:16px;line-height:1.65}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:17px 0}
.guide-card{margin-top:17px;padding:25px 27px;border:1px solid var(--line);border-radius:14px;background:#fffefa;box-shadow:0 8px 28px #18352208}
.guide-grid .guide-card{margin-top:0}
.guide-card h2{margin:8px 0 13px;font-size:21px;line-height:1.25}
.guide-card ol,.guide-card ul{margin:12px 0 0;padding-left:22px}
.guide-card li{margin:9px 0;color:#35463e}
.guide-card code{padding:2px 5px;border-radius:4px;background:#eaf3ec;color:var(--accent);font-weight:800}
.guide-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:#e8f4eb;color:var(--accent);font-size:12px;font-weight:900}
.guide-note{margin:16px 0 0;padding:12px 14px;border-radius:8px;background:#fff4d9;color:#6d510d;font-size:14px;font-weight:700}
.guide-danger{border-color:#efc3bc;background:#fffaf6}
.guide-danger li::marker{color:var(--danger)}
.guide-after{border-color:#bfddc6;background:linear-gradient(135deg,#f8fdf8,#fffefa)}
.guide-buy-button{width:max-content;margin-top:20px;text-decoration:none}
@media(max-width:720px){.top-actions{gap:8px}.top-actions .secure{display:none}.guide-shell{padding:20px 16px 38px}.guide-topbar{margin-bottom:42px}.guide-hero h1{font-size:34px;letter-spacing:-1.5px}.guide-grid{grid-template-columns:1fr}.guide-card{padding:21px 20px}.guide-alert{font-size:15px}.guide-buy-button{width:100%}}