:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#202124;background:#f5f7fa;line-height:1.5}*{box-sizing:border-box}body{margin:0}.shell{max-width:860px;margin:0 auto;padding:32px 20px 60px}.topbar{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:28px}.eyebrow{font-size:11px;letter-spacing:2px;color:#7b8190}.topbar h1{font-size:28px;margin:5px 0 0}.text-link{color:#3c5cdb;text-decoration:none;font-size:14px}.progress{display:flex;gap:8px;margin-bottom:16px}.progress-item{padding:8px 14px;border-radius:6px;background:#e7eaf0;color:#7b8190;font-size:13px}.progress-item.active{background:#253b9f;color:#fff}.module{background:#fff;border:1px solid #e1e5ec;border-radius:8px;padding:26px;margin-bottom:14px;box-shadow:0 6px 22px rgba(27,39,70,.04)}.module-heading{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}.module-index{font-size:13px;color:#5269d8;font-weight:700;padding-top:4px}.module h2{font-size:20px;margin:0}.module-heading p,.muted{color:#7b8190;margin:4px 0 0;font-size:14px}label{display:block;font-size:14px;margin:14px 0 6px;color:#454b58}input{width:100%;border:1px solid #d8dce5;border-radius:5px;padding:11px 12px;font:inherit;background:#fff}input:focus{outline:2px solid #dce3ff;border-color:#6078df}.input-action{display:flex;gap:8px}.input-action input{flex:1}.input-action button{white-space:nowrap}button{border:0;border-radius:5px;padding:11px 16px;font:inherit;cursor:pointer;background:#edf0f7;color:#27314d}button.primary,.input-action button{background:#3048b8;color:#fff}.secondary{margin-left:8px}.message{min-height:22px;color:#526078;font-size:14px}.message.error{color:#b52d3a}.tabs{display:flex;border-bottom:1px solid #e4e7ed;margin-bottom:20px;gap:4px}.tab{background:transparent;border-radius:0;padding:9px 16px;border-bottom:2px solid transparent}.tab.active{color:#3048b8;border-color:#3048b8}.submodule{border-left:3px solid #6078df;background:#f7f8fc;padding:14px 16px;margin-top:18px}.submodule h3{font-size:15px;margin:0}.submodule p{font-size:14px;color:#687184}.two-inputs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.submodule .primary{margin-top:12px}.qr-login{text-align:center;max-width:300px;margin:auto}.qr-login img,.payment-qr{width:220px;height:220px;object-fit:contain;border:1px solid #e4e7ed;background:#fafafa}.payment-layout{display:flex;align-items:center;justify-content:space-between;gap:24px}.payment-qr{width:240px;height:240px}.amount{font-size:22px;font-weight:650;color:#253b9f}.generated-list{display:grid;gap:8px;margin-top:20px}.generated-card{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid #e1e5ec;padding:12px;border-radius:5px;font-family:ui-monospace,monospace}.generated-card a{font-family:inherit;color:#3048b8;font-size:13px}footer{color:#9299a8;font-size:12px;margin-top:18px}@media(max-width:600px){.shell{padding:22px 14px 40px}.topbar{align-items:flex-start}.topbar h1{font-size:23px}.progress-item{flex:1;text-align:center;padding:7px 4px}.input-action,.payment-layout{display:grid;grid-template-columns:1fr}.two-inputs{grid-template-columns:1fr}.payment-qr{width:200px;height:200px}}