:root{--c-primary: #1677ff;--c-primary-hover: #4096ff;--c-primary-active: #0958d9;--c-success: #52c41a;--c-warning: #faad14;--c-error: #ff4d4f;--c-info: #1677ff;--c-text: #262626;--c-text-secondary: #8c8c8c;--c-border: #d9d9d9;--c-bg: #f5f5f5;--c-white: #ffffff;--radius: 8px;--radius-sm: 4px;--shadow: 0 1px 2px 0 rgba(0,0,0,.03), 0 1px 6px -1px rgba(0,0,0,.02), 0 2px 4px 0 rgba(0,0,0,.02);--shadow-lg: 0 6px 16px 0 rgba(0,0,0,.08), 0 3px 6px -4px rgba(0,0,0,.12), 0 9px 28px 8px rgba(0,0,0,.05)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:14px;line-height:1.5;border:1px solid var(--c-border);border-radius:var(--radius);cursor:pointer;padding:4px 15px;height:32px;background:var(--c-white);color:var(--c-text);transition:all .2s;user-select:none;white-space:nowrap;font-family:inherit}.btn:hover{color:var(--c-primary);border-color:var(--c-primary)}.btn:active{color:var(--c-primary-active);border-color:var(--c-primary-active)}.btn:disabled{opacity:.65;cursor:not-allowed}.btn-primary{background:var(--c-primary);border-color:var(--c-primary);color:#fff}.btn-primary:hover{background:var(--c-primary-hover);border-color:var(--c-primary-hover);color:#fff}.btn-primary:active{background:var(--c-primary-active);border-color:var(--c-primary-active);color:#fff}.btn-primary:disabled{background:var(--c-primary-hover);border-color:var(--c-primary-hover);opacity:.65}.btn-link{border:none;background:transparent;color:var(--c-primary);padding:0 4px}.btn-link:hover{color:var(--c-primary-hover)}.btn-lg{padding:6px 24px;height:40px;font-size:16px}.btn-block{width:100%}.btn-loading{position:relative;pointer-events:none}.btn-loading:after{content:"";width:14px;height:14px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:btn-spin .6s linear infinite;margin-right:6px}@keyframes btn-spin{to{transform:rotate(360deg)}}.card{background:var(--c-white);border-radius:var(--radius);border:1px solid var(--c-border);box-shadow:var(--shadow)}.card-body{padding:24px}.result{display:flex;flex-direction:column;align-items:center;text-align:center;padding:48px 32px}.result-icon{font-size:48px;line-height:1;margin-bottom:16px}.result-icon-lg{font-size:64px;margin-bottom:20px}.result-icon.success{color:var(--c-success)}.result-icon.error{color:var(--c-error)}.result-icon.warning{color:var(--c-warning)}.result-icon.info{color:var(--c-info)}.result-title{font-size:20px;font-weight:600;color:var(--c-text);margin-bottom:8px}.result-subtitle{font-size:14px;color:var(--c-text-secondary);line-height:1.6;margin-bottom:24px}.result-extra{margin-top:16px}.tag{display:inline-flex;align-items:center;font-size:12px;line-height:1.5;padding:0 7px;border-radius:var(--radius-sm);border:1px solid;white-space:nowrap}.tag-blue{color:#1677ff;background:#e6f4ff;border-color:#91caff}.tag-green{color:#52c41a;background:#f6ffed;border-color:#b7eb8f}.tag-orange{color:#fa8c16;background:#fff7e6;border-color:#ffd591}.tag-red{color:#ff4d4f;background:#fff2f0;border-color:#ffccc7}.tag-gold{color:#faad14;background:#fffbe6;border-color:#ffe58f}.alert{display:flex;align-items:flex-start;gap:8px;padding:8px 12px;border-radius:var(--radius);border:1px solid;font-size:14px;line-height:1.5}.alert-icon{font-size:16px;flex-shrink:0;margin-top:1px}.alert-message{flex:1;font-weight:600}.alert-warning{color:#ad6800;background:#fffbe6;border-color:#ffe58f}.alert-error{color:#d4380d;background:#fff2f0;border-color:#ffccc7}.alert-info{color:#1677ff;background:#e6f4ff;border-color:#91caff}.alert-success{color:#389e0d;background:#f6ffed;border-color:#b7eb8f}.divider{border:none;border-top:1px solid var(--c-border);margin:16px 0;box-sizing:content-box;height:0;overflow:visible}.desc{width:100%;border-collapse:collapse}.desc tr{border-bottom:none}.desc td{padding:12px 0;vertical-align:top;font-size:14px;line-height:1.6}.desc-label{color:var(--c-text-secondary);white-space:nowrap;padding-right:16px;min-width:80px}.desc-value{color:var(--c-text)}.empty-state{text-align:center;padding:32px 0}.empty-icon{font-size:48px;color:#d9d9d9;margin-bottom:8px}.empty-text{font-size:14px;color:var(--c-text-secondary)}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--c-border);border-top-color:var(--c-primary);border-radius:50%;animation:btn-spin .6s linear infinite}.spinner-lg{width:32px;height:32px;border-width:3px}.toast-container{position:fixed;top:16px;left:50%;transform:translate(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{display:flex;align-items:center;gap:8px;padding:9px 16px;background:var(--c-white);border-radius:var(--radius);box-shadow:var(--shadow-lg);font-size:14px;pointer-events:auto;animation:toast-in .3s ease-out}.toast-icon{font-size:16px;flex-shrink:0}.toast-success .toast-icon{color:var(--c-success)}.toast-error .toast-icon{color:var(--c-error)}.toast-warning .toast-icon{color:var(--c-warning)}.toast-info .toast-icon{color:var(--c-info)}@keyframes toast-in{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.text-secondary{color:var(--c-text-secondary)}.text-sm{font-size:12px}.text-lg{font-size:16px}.scrollbar-thin{scrollbar-width:thin}.scrollbar-thin::-webkit-scrollbar{width:6px;height:6px}.scrollbar-thin::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.scrollbar-thin::-webkit-scrollbar-track{background:transparent}.amount-focus{display:flex;align-items:baseline;justify-content:center;gap:2px;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";line-height:1}.amount-focus .cur{font-size:22px;font-weight:600;color:var(--c-text-secondary)}.amount-focus .int{font-size:46px;font-weight:800;color:var(--c-text);letter-spacing:-1px}.amount-focus .dec{font-size:22px;font-weight:700;color:var(--c-text)}.merchant-trust-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 0;margin-bottom:16px;border-bottom:1px solid #f0f0f0;flex-wrap:wrap;gap:8px}.merchant-trust-left{display:flex;align-items:center;gap:8px}.merchant-trust-left .cashier-header-title{font-size:16px;font-weight:600;color:#333}.trust-badge{display:inline-flex;align-items:center;gap:3px;font-size:12px;color:#389e0d;background:#f6ffed;border:1px solid #b7eb8f;border-radius:10px;padding:1px 8px;white-space:nowrap}.merchant-payee{font-size:13px;color:var(--c-text-secondary);text-align:right}.merchant-payee b{color:var(--c-text);font-weight:600}.order-detail-collapse{margin-top:10px}.order-detail-toggle{display:inline-flex;align-items:center;gap:4px;background:none;border:none;color:var(--c-primary);font-size:13px;cursor:pointer;padding:0}.order-detail-toggle .arrow{transition:transform .2s;font-size:11px}.order-detail-toggle .arrow.up{transform:rotate(180deg)}.order-detail-content{margin-top:8px;padding:10px 12px;background:#fafafa;border-radius:8px;font-size:13px;color:#666;line-height:1.6;white-space:pre-wrap;word-break:break-all}.confirm-button-wrapper{position:sticky;bottom:0;margin:16px -16px -16px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:var(--c-white);border-top:1px solid #f0f0f0;box-shadow:0 -2px 8px #0000000a}.confirm-button-wrapper .confirm-button{height:50px}.launch-overlay{position:fixed;inset:0;z-index:2000;background:#ffffffeb;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(2px)}.launch-overlay-inner{text-align:center}.launch-overlay-text{margin-top:16px;font-size:16px;font-weight:600;color:var(--c-text)}.launch-overlay-sub{margin-top:6px;font-size:13px;color:var(--c-text-secondary)}.payment-method-card.recommended{border-left:3px solid #ff9500}.track-steps{display:flex;align-items:flex-start;margin:8px 0 4px}.track-step{flex:1;text-align:center;position:relative}.track-step:before{content:"";position:absolute;top:11px;left:-50%;width:100%;height:2px;background:#e8e8e8;z-index:0}.track-step:first-child:before{display:none}.track-step.done:before{background:var(--c-primary)}.track-step-dot{position:relative;z-index:1;width:24px;height:24px;border-radius:50%;margin:0 auto 6px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;background:#bfbfbf}.track-step.done .track-step-dot{background:var(--c-primary)}.track-step.current .track-step-dot{background:var(--c-primary);box-shadow:0 0 0 4px #1677ff26}.track-step-label{font-size:12px;color:var(--c-text-secondary)}.track-step.done .track-step-label,.track-step.current .track-step-label{color:var(--c-text);font-weight:600}.receipt-copy-inline{display:inline-flex;align-items:center;gap:4px;color:var(--c-primary);cursor:pointer;font-size:12px}.receipt-save-btn{display:inline-flex;align-items:center;gap:6px}.qr-refresh-hint{margin-top:12px;font-size:12px;color:var(--c-text-secondary);display:flex;align-items:center;justify-content:center;gap:6px}.qr-refresh-hint button{background:none;border:none;color:var(--c-primary);cursor:pointer;font-size:12px;padding:0}.wk-header-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px;border-bottom:1px solid #f0f0f0;background:var(--c-white);flex-wrap:wrap}.wk-header-title{font-size:16px;font-weight:600;color:#333}.wk-header-merchant{font-size:13px;color:var(--c-text-secondary);text-align:right}.wk-header-merchant b{color:var(--c-text);font-weight:600}.wk-logo-container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.wk-logo-tip{font-size:14px;user-select:none;background:linear-gradient(90deg,#999 0% 20%,#ddd 40%,#fff,#ddd 60%,#999 80% 100%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:wk-shimmer-sweep 1.6s ease-in-out infinite}@keyframes wk-shimmer-sweep{0%{background-position:200% 0}to{background-position:-200% 0}}.wk-3d-stage{display:inline-flex}.wk-3d-layer{display:inline-flex;transition:transform .05s linear}.wk-logo-l2-pulse{animation:wk-pulse-simple 1.4s ease-in-out infinite}@keyframes wk-pulse-simple{0%,to{opacity:.4}50%{opacity:1}}@media (prefers-color-scheme: dark){.wk-logo-tip{background:linear-gradient(90deg,#777 0% 20%,#bbb 40%,#fff,#bbb 60%,#777 80% 100%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.wk-3d-layer svg{filter:brightness(.85) contrast(1.1)}}html[data-theme=dark] .wk-logo-tip{background:linear-gradient(90deg,#777 0% 20%,#bbb 40%,#fff,#bbb 60%,#777 80% 100%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}html[data-theme=dark] .wk-3d-layer svg{filter:brightness(.85) contrast(1.1)}@media (prefers-reduced-motion: reduce){.wk-logo-l2-pulse{animation:none;opacity:.7}}.cashier-footer{text-align:center;padding:16px 0 32px;color:#999;font-size:12px;line-height:1.8}.cashier-footer-links{display:flex;justify-content:center;gap:12px;margin-bottom:8px}.cashier-footer-links a{color:#999;text-decoration:none}.cashier-footer-links a:hover{color:#1677ff}.cashier-footer .footer-tech{color:#bbb}