:root{--bg: #f4f8f7;--bg-2: #edf5f3;--card: #ffffff;--primary: #043b36;--primary-2: #0c5951;--primary-soft: #e7f3f1;--accent: #eb174c;--accent-dark: #c90f3e;--text: #092f2c;--muted: #6d7a78;--muted-2: #93a19e;--border: #dbe7e5;--warning: #f59e0b;--warning-soft: #fff6e6;--danger: #dc2626;--danger-soft: #fff0f0;--success: #16a34a;--success-soft: #e8f7ee;--shadow: 0 24px 80px rgb(4 59 54 / 12%);--radius-xl: 22px;--radius-lg: 16px;--radius-md: 12px;--page-padding: 16px;--font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;color:var(--text);font-family:var(--font)}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;background:radial-gradient(circle at top left,rgb(4 59 54 / 10%),transparent 34%),radial-gradient(circle at bottom right,rgb(235 23 76 / 8%),transparent 32%),linear-gradient(135deg,var(--bg),var(--bg-2))}button,select,input,a{font:inherit}button{cursor:pointer}h1,h2,p{margin-top:0}.page{width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--page-padding)}.checkout-card{width:min(1120px,100%);background:#fffffff0;border:1px solid rgb(219 231 229 / 92%);border-radius:var(--radius-xl);box-shadow:var(--shadow);overflow:hidden;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:16px 24px 14px;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-mark{width:40px;height:40px;border-radius:14px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--primary),var(--primary-2));box-shadow:0 10px 24px #043b3638;flex:0 0 auto}.brand-mark svg{width:24px;height:24px}.title-group{min-width:0}.eyebrow{margin:0 0 3px;color:var(--primary-2);font-size:.7rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.title-group h1{margin:0;font-size:clamp(18px,2.4vw,24px);letter-spacing:-.04em;line-height:1.08}.brand-subtitle{margin:5px 0 0;color:var(--muted);font-size:13px;line-height:1.4}.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}.language-select{position:relative;display:inline-flex;align-items:center;gap:6px;color:var(--text);border:1px solid var(--border);background:#fff;border-radius:999px;padding:0 10px;height:34px}.language-select span{color:var(--muted);font-size:14px}.language-select select{border:0;outline:0;background:transparent;color:var(--text);min-width:108px;font-size:13px;font-weight:650;-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:4px}.status-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid rgb(4 59 54 / 14%);color:var(--primary);background:var(--primary-soft);padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700;white-space:nowrap}.status-dot{width:8px;height:8px;border-radius:99px;background:currentColor;box-shadow:0 0 0 5px #043b361a}.status-progress{color:#92560a;background:var(--warning-soft);border-color:#f59e0b47}.status-success{color:#0f7a3a;background:var(--success-soft);border-color:#16a34a42}.status-warning{color:var(--danger);background:var(--danger-soft);border-color:#dc26262e}.status-progress .status-dot,.status-success .status-dot,.status-warning .status-dot{box-shadow:0 0 0 5px #0000000f}.content{padding:16px 24px 20px;display:grid;gap:14px}.status-banner{border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 16px;background:var(--primary-soft)}.status-banner h2{margin:0 0 3px;font-size:.95rem;letter-spacing:-.01em}.status-banner p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.banner-neutral{background:var(--primary-soft);border-color:#043b361f}.banner-progress{background:var(--warning-soft);border-color:#f59e0b4d}.banner-success{background:var(--success-soft);border-color:#16a34a42}.banner-warning{background:var(--danger-soft);border-color:#dc26262e}.payment-grid{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(360px,1.1fr);gap:18px;align-items:stretch}.panel{border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff}.qr-panel{padding:18px;display:flex;flex-direction:column;justify-content:space-between;gap:14px;background:linear-gradient(180deg,#e7f3f17f,#ffffffdb),#fff}.section-eyebrow{margin:0 0 5px;color:var(--primary-2);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.section-title{margin:0;font-size:17px;line-height:1.25;letter-spacing:-.02em}.section-desc{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.5}.qr-wrap{position:relative;width:min(220px,100%);margin:2px auto 0;padding:12px;border-radius:20px;background:#fff;border:1px solid rgb(4 59 54 / 10%);box-shadow:0 18px 42px #043b361a}.qr-wrap img{width:100%;display:block;border-radius:18px;image-rendering:pixelated}.qr-fallback{display:grid;place-items:center;min-height:220px;color:var(--muted);font-weight:700}.qr-logo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:16px;background:linear-gradient(145deg,var(--primary-2),var(--primary));color:#fff;display:grid;place-items:center;font-size:18px;font-weight:900;border:5px solid #ffffff;box-shadow:0 10px 24px #043b3638;pointer-events:none}.expired-mask{position:absolute;top:18px;right:18px;bottom:18px;left:18px;display:none;place-items:center;border-radius:18px;background:#ffffffdb;color:var(--danger);font-weight:900;font-size:18px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.checkout-card.is-expired .expired-mask{display:grid}.checkout-card.is-expired .qr-logo{opacity:.2}.network-alert{display:flex;align-items:flex-start;gap:9px;border-radius:14px;padding:10px 13px;background:var(--primary-soft);color:var(--primary);font-size:13px;line-height:1.4;font-weight:700}.network-alert svg{width:18px;height:18px;flex:0 0 auto;margin-top:1px}.details-panel{padding:18px;display:flex;flex-direction:column;gap:14px}.amount-card{border-radius:16px;border:1px solid rgb(4 59 54 / 14%);padding:16px;background:linear-gradient(135deg,#f7fbfa,#fff)}.label-row{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px;font-weight:700;margin-bottom:8px}.method-badge{color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:6px 10px;font-size:12px;white-space:nowrap}.amount-line{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap}.amount-value{margin:0;font-size:clamp(22px,3.4vw,30px);line-height:1;letter-spacing:-.05em;font-weight:900;color:var(--text);overflow-wrap:anywhere}.tiny-button{border:1px solid var(--border);background:#fff;color:var(--primary);padding:7px 13px;border-radius:999px;font-size:13px;font-weight:800;display:inline-flex;align-items:center;gap:8px;transition:.18s ease;white-space:nowrap}.tiny-button:hover{border-color:#043b364d;transform:translateY(-1px)}.token-section{display:grid;gap:9px}.token-section h2,.field-section h2,.countdown-card h2{margin:0;font-size:14px;letter-spacing:-.01em}.token-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.token-card{position:relative;text-align:left;padding:11px 12px;border:1px solid var(--border);background:#fff;border-radius:14px;transition:.18s ease;min-height:60px}.token-card:hover{border-color:#043b3659;transform:translateY(-1px)}.token-card.active{border-color:var(--primary);box-shadow:0 0 0 4px #043b3614;background:linear-gradient(135deg,#f1faf8,#fff)}.token-symbol{display:block;font-size:15px;font-weight:900;letter-spacing:-.02em}.token-network{display:block;margin-top:4px;color:var(--muted);font-size:11px;font-weight:800}.check-icon{position:absolute;right:10px;top:10px;width:18px;height:18px;border-radius:999px;display:none;place-items:center;background:var(--primary);color:#fff;font-size:12px;font-weight:900}.token-card.active .check-icon{display:grid}.field-section{display:grid;gap:8px}.field-card{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;border:1px solid var(--border);border-radius:14px;padding:11px;background:#fbfdfd}.field-value{min-width:0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;color:var(--text);font-size:13px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.countdown-card{display:grid;gap:10px;border:1px solid var(--border);border-radius:14px;padding:13px;background:#fff}.countdown-top{display:flex;align-items:center;justify-content:space-between;gap:16px}.time-value{font-size:22px;line-height:1;letter-spacing:-.04em;font-weight:900;color:var(--primary);font-variant-numeric:tabular-nums}.countdown-card.is-warning .time-value{color:var(--warning)}.countdown-card.is-danger .time-value{color:var(--danger)}.progress-track{width:100%;height:8px;border-radius:999px;overflow:hidden;background:#edf3f2}.progress-bar{width:100%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary-2),var(--primary));transform-origin:left center;transform:scaleX(var(--countdown-start, 1));animation:countdown-drain linear forwards;will-change:transform}@keyframes countdown-drain{0%{transform:scaleX(var(--countdown-start, 1))}to{transform:scaleX(0)}}@media(prefers-reduced-motion:reduce){.progress-bar{animation:none;transform:scaleX(var(--countdown-start, 1))}}.countdown-card.is-warning .progress-bar{background:var(--warning)}.countdown-card.is-danger .progress-bar{background:var(--danger)}.time-hint{margin:0;color:var(--muted);font-size:12px;line-height:1.4}.paid-panel{border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;background:var(--success-soft);display:grid;gap:12px}.paid-panel h2{margin:0;font-size:.95rem}.paid-panel p{margin:0;color:var(--muted)}.paid-panel.pending-link{background:var(--warning-soft);border-color:#f59e0b4d}.short-link-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center}.short-link-row a:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--primary);font-weight:700}.open-button{min-height:40px;padding:0 16px;display:grid;place-items:center;border-radius:999px;background:var(--accent);color:#fff;font-weight:800;text-decoration:none;box-shadow:0 12px 24px #eb174c38;transition:.18s ease}.open-button:hover{background:var(--accent-dark);transform:translateY(-1px)}.order-summary{border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;overflow:hidden}.order-summary summary{list-style:none;cursor:pointer;padding:13px 18px;font-size:14px;font-weight:900;letter-spacing:-.02em;display:flex;align-items:center;justify-content:space-between;gap:12px}.order-summary summary::-webkit-details-marker{display:none}.summary-chevron{width:22px;height:22px;border-radius:999px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);transition:.18s ease}.order-summary[open] .summary-chevron{transform:rotate(180deg)}.summary-grid{border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.summary-item{padding:12px 16px;border-right:1px solid var(--border);border-top:1px solid var(--border);min-width:0}.summary-item:nth-child(-n+3){border-top:0}.summary-item:nth-child(3n){border-right:0}.summary-label{display:block;color:var(--muted);font-size:11px;font-weight:800;margin-bottom:5px;text-transform:uppercase;letter-spacing:.02em}.summary-value{display:block;color:var(--text);font-size:14px;font-weight:750;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.state-content{padding:40px 34px 48px;text-align:center;gap:10px}.state-content h2{margin:0;font-size:clamp(20px,3vw,26px);letter-spacing:-.02em}.state-content p{margin:0;color:var(--muted)}.state-card.state-warning{border-color:#dc26263d}.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,14px);border-radius:999px;background:#092f2cf5;color:#fff;padding:12px 16px;box-shadow:0 14px 32px #0003;font-size:14px;font-weight:800;opacity:0;pointer-events:none;transition:.18s ease;z-index:20}.toast.show{opacity:1;transform:translate(-50%)}@media(max-width:900px){:root{--page-padding: 12px}.topbar{padding:14px 18px 12px;flex-direction:column;align-items:stretch}.toolbar{justify-content:space-between}.content{padding:14px}.payment-grid{grid-template-columns:1fr}.details-panel{order:-1}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.summary-item:nth-child(3n){border-right:1px solid var(--border)}.summary-item:nth-child(2n){border-right:0}}@media(max-width:560px){:root{--page-padding: 0}.page{align-items:stretch}.checkout-card{min-height:100vh;border-radius:0;border-left:0;border-right:0}.brand{align-items:flex-start}.brand-mark{width:36px;height:36px;border-radius:12px}.brand-mark svg{width:22px;height:22px}.toolbar{gap:10px}.language-select{flex:1 1 auto}.language-select select{width:100%;min-width:0}.content{padding:12px;gap:10px}.brand-subtitle{display:none}.topbar{padding:12px 14px 10px}.status-banner{padding:10px 12px}.payment-grid{gap:12px}.qr-panel,.details-panel{padding:14px;border-radius:16px}.qr-panel{gap:10px}.qr-panel .section-desc{display:none}.qr-wrap{width:min(168px,100%);padding:10px}.amount-card{padding:14px}.token-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.token-card{min-height:56px}.field-card{grid-template-columns:1fr}.field-card .tiny-button{justify-content:center}.short-link-row,.summary-grid{grid-template-columns:1fr}.summary-item,.summary-item:nth-child(2n),.summary-item:nth-child(3n){border-right:0}.toast{width:calc(100% - 32px);text-align:center}}