:root{color:#172033;background:#f3f6fb;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}.pay-shell{min-height:100vh;display:grid;place-items:start center;padding:24px 16px 48px;background:radial-gradient(circle at top left,#dbe8ff 0,transparent 42%),#f4f7fb}.pay-amount{margin:14px 0 22px;padding:16px 18px;border-radius:12px;background:#eff4ff;text-align:center}.pay-amount .label{display:block;margin-bottom:4px;font-size:12px;color:#4c5b7c;letter-spacing:.06em}.pay-amount .value{display:block;font-size:26px;font-weight:800;color:#172033}.pay-qr{display:block;margin:12px auto 0;width:200px;height:200px;object-fit:contain;border:1px solid #e5eaf3;border-radius:8px;background:#fff}.pay-countdown{margin:10px 0 4px;font-size:13px;color:#4c5b7c;text-align:center}.pay-countdown strong{color:#b42318;font-weight:700}