:root{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#172338;background:#f3f6fb;font-synthesis:none;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}body{margin:0;min-height:100svh;background:radial-gradient(ellipse at 50% 8%,#e4edff 0,transparent 60%)}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #91b4ff;outline-offset:4px}[hidden]{display:none!important}
.topbar{max-width:1120px;padding:22px 32px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:650;letter-spacing:.4px}.brand-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:#2563eb;color:#fff;box-shadow:0 4px 10px #2563eb20}.brand-icon svg{width:22px;height:22px}.top-note{font-size:10px;letter-spacing:1.2px;color:#7a879e}.top-note span{margin:0 10px;color:#b5c0d2}
main{max-width:468px;margin:22px auto 0;padding:0 16px}.card{background:#fff;border-radius:22px;overflow:hidden;box-shadow:0 20px 60px -25px #213b7333,0 0 0 1px #233e7010}.card-header{position:relative;overflow:hidden;padding:26px 30px 25px;background:#152642;color:#fff}.card-header::after{content:"";position:absolute;width:210px;height:210px;border:1px solid #ffffff0d;border-radius:50%;top:-103px;right:-64px;box-shadow:0 0 0 28px #ffffff03,0 0 0 56px #ffffff03;pointer-events:none}.card-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}.card-title h1{margin:0;font-size:23px;font-weight:600;letter-spacing:.8px}.header-symbol{font-size:26px;line-height:1;color:#8297b7}.merchant{display:flex;align-items:center;gap:10px;position:relative;z-index:1}.merchant-icon{width:37px;height:37px;padding:8px;background:#ffffff0d;border:1px solid #ffffff18;border-radius:10px;color:#b6c9e9}.merchant-icon svg{width:100%;height:100%}.caption{display:block;color:#91a4c2;font-size:10px;line-height:1.4}.merchant h2{margin:3px 0 0;font-size:13px;font-weight:500;overflow-wrap:anywhere}.card-body{padding:27px 30px 24px}
label{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;font-weight:600}.currency-tag{color:#8b97aa;font-size:10px;font-weight:400;white-space:nowrap}.amount-field{display:flex;align-items:center;gap:14px;min-height:88px;margin-top:14px;padding:12px 18px;border:1.5px solid #e5eaf2;background:#f8faff;border-radius:12px;transition:border-color .16s,box-shadow .16s}.amount-field:focus-within{background:#fff;border-color:#3976f5;box-shadow:0 0 0 3px #2563eb0a}.amount-field>span{font-size:28px;font-weight:500;color:#8190a8}.amount-field input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:#1b2c48;font-size:44px;font-weight:600;line-height:1.3;letter-spacing:-1.5px;font-variant-numeric:tabular-nums;caret-color:#2563eb}.amount-field input::placeholder{color:#bbc6d8}.amount-field:has(input[aria-invalid=true]){border-color:#db695e}.amount-field input:read-only{color:#7e8da6}.help{color:#8a97ac;font-size:10px;margin:10px 0 17px;line-height:1.5}.presets{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.presets button{position:relative;border:1px solid #e5eaf3;background:#fff;color:#50617d;border-radius:8px;height:38px;font-size:12px;transition:background .16s,border-color .16s}.presets button:hover{background:#f4f7ff;border-color:#a7bff6}.presets button.selected{background:#edf3ff;border-color:#719af4;color:#2563eb;font-weight:600}.presets button:disabled{opacity:.5;cursor:default}
.summary{display:flex;align-items:center;justify-content:space-between;margin:25px 0 19px;padding-top:20px;border-top:1px dashed #e1e7f0;color:#74829b;font-size:12px}.summary strong{color:#1c2d4c;font-size:22px;font-weight:650;letter-spacing:-.6px;font-variant-numeric:tabular-nums}.pay-button{display:flex;align-items:center;justify-content:center;position:relative;width:100%;height:49px;border:0;border-radius:10px;background:#2563eb;color:#fff;font-size:14px;font-weight:500;letter-spacing:1px;box-shadow:0 5px 12px #2563eb20;transition:background .16s,transform .16s}.pay-button:hover{background:#1c53d2}.pay-button:active{transform:translateY(1px)}.pay-button:disabled{background:#87a6e8;cursor:wait}.arrow{position:absolute;right:18px;font-size:22px;font-weight:400}.pay-button[aria-busy=true] .arrow{width:16px;height:16px;border:2px solid #ffffff55;border-top-color:#fff;border-radius:50%;font-size:0;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.payment-note{text-align:center;color:#909db1;font-size:10px;margin:12px 0 0}
.message{background:#fff6f0;color:#9c593c;border:1px solid #f4e5d9;border-radius:9px;padding:11px 13px;font-size:12px;line-height:1.7;margin-top:17px;overflow-wrap:anywhere}.message.info{background:#edf4ff;color:#3561ab;border-color:#dce8fc}.service-notice{margin:16px 0 0;color:#a18b68;font-size:10px;text-align:center}.order-panel{margin-top:20px;padding-top:16px;border-top:1px solid #e7ecf3}.order-heading{display:flex;align-items:center;justify-content:space-between}.order-heading h3{margin:0;font-size:15px;color:#1d4da9}.order-heading button{border:0;background:#edf3ff;color:#2563eb;border-radius:6px;padding:7px 10px;font-size:11px}.order-panel p{color:#75849c;font-size:11px;line-height:1.8;margin:9px 0;overflow-wrap:anywhere}.continue-pay{display:inline-block;margin-top:5px;color:#2563eb;font-size:12px}.new-payment{display:block;margin:17px auto 0;border:0;background:none;color:#6e7f99;font-size:11px;text-decoration:underline;text-underline-offset:4px}.bottom-tip{display:flex;align-items:center;justify-content:center;gap:5px;color:#8b98ae;font-size:10px;margin:20px 0 0}.bottom-tip svg{width:14px;height:14px}footer{padding:25px 16px 22px;text-align:center;color:#a2aec0;font-size:9px;letter-spacing:1.2px}footer span{margin:0 10px}.noscript{color:#a44;text-align:center;font-size:13px}
@media(max-width:520px){.topbar{padding:19px 22px}.top-note{font-size:9px;letter-spacing:.5px}.top-note span{margin:0 6px}main{max-width:440px;margin-top:12px;padding:0 20px}.card{border-radius:19px}.card-header{padding:23px 24px}.card-body{padding:24px}.card-title{margin-bottom:20px}.card-title h1{font-size:22px}.amount-field{padding:12px 15px;gap:10px;min-height:83px}.amount-field input{font-size:clamp(28px,10vw,42px)}.help{font-size:10px}.presets{gap:7px}.summary{margin-top:22px}footer{padding-top:22px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}